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<li class="toctree-l1"><a class="reference internal" href="../intro/index.html">Introduction</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../examples.html#demonstrate-column-and-row-gap-style-properties">Demonstrate column and row gap style properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#rtl-base-direction-changes-order-of-the-items">RTL base direction changes order of the items</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../examples.html#grid">Grid</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#a-simple-grid">A simple grid</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#demonstrate-cell-placement-and-span">Demonstrate cell placement and span</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#demonstrate-grid-s-free-unit">Demonstrate grid's -free unit-</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#demonstrate-track-placement">Demonstrate track placement</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#demonstrate-column-and-row-gap">Demonstrate column and row gap</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#demonstrate-rtl-direction-on-grid">Demonstrate RTL direction on grid</a></li>
</ul>
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</ul>
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<li class="toctree-l2"><a class="reference internal" href="../examples.html#scrolling">Scrolling</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#nested-scrolling">Nested scrolling</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#snapping">Snapping</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#floating-button">Floating button</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#styling-the-scrollbars">Styling the scrollbars</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#right-to-left-scrolling">Right to left scrolling</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#translate-on-scroll">Translate on scroll</a></li>
</ul>
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<li class="toctree-l2"><a class="reference internal" href="../examples.html#widgets">Widgets</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#base-object">Base object</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#base-objects-with-custom-styles">Base objects with custom styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#make-an-object-draggable">Make an object draggable</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../examples.html#arc">Arc</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-arc">Simple Arc</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#loader-with-arc">Loader with Arc</a></li>
</ul>
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<li class="toctree-l3"><a class="reference internal" href="../examples.html#bar">Bar</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-bar">Simple Bar</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#styling-a-bar">Styling a bar</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#temperature-meter">Temperature meter</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#stripe-pattern-and-range-value">Stripe pattern and range value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#bar-with-ltr-and-rtl-base-direction">Bar with LTR and RTL base direction</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#custom-drawer-to-show-the-current-value">Custom drawer to show the current value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#bar-with-opposite-direction">Bar with opposite direction</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#button">Button</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-buttons">Simple Buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#styling-buttons">Styling buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#gummy-button">Gummy button</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#button-matrix">Button matrix</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-button-matrix">Simple Button matrix</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#custom-buttons">Custom buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#pagination">Pagination</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#calendar">Calendar</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#calendar-with-header">Calendar with header</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#canvas">Canvas</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#drawing-on-the-canvas-and-rotate">Drawing on the Canvas and rotate</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#transparent-canvas-with-chroma-keying">Transparent Canvas with chroma keying</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#draw-a-rectangle-to-the-canvas">Draw a rectangle to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#draw-a-label-to-the-canvas">Draw a label to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#draw-an-arc-to-the-canvas">Draw an arc to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#draw-an-image-to-the-canvas">Draw an image to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#draw-a-line-to-the-canvas">Draw a line to the canvas</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#chart">Chart</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#line-chart">Line Chart</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#axis-ticks-and-labels-with-scrolling">Axis ticks and labels with scrolling</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#show-the-value-of-the-pressed-points">Show the value of the pressed points</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#recolor-bars-based-on-their-value">Recolor bars based on their value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#faded-area-line-chart-with-custom-division-lines">Faded area line chart with custom division lines</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#show-cursor-on-the-clicked-point">Show cursor on the clicked point</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#scatter-chart">Scatter chart</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#checkbox">Checkbox</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-checkboxes">Simple Checkboxes</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#checkboxes-as-radio-buttons">Checkboxes as radio buttons</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#colorwheel">Colorwheel</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#dropdown">Dropdown</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-drop-down-list">Simple Drop down list</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#drop-down-in-four-directions">Drop down in four directions</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#menu">Menu</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#image">Image</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#image-from-variable-and-symbol">Image from variable and symbol</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#image-recoloring">Image recoloring</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#rotate-and-zoom">Rotate and zoom</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#image-offset-and-styling">Image offset and styling</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#image-button">Image button</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-image-button">Simple Image button</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#keyboard">Keyboard</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#keyboard-with-text-area">Keyboard with text area</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#keyboard-with-custom-map">Keyboard with custom map</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#label">Label</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#line-wrap-recoloring-and-scrolling">Line wrap, recoloring and scrolling</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#text-shadow">Text shadow</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#show-ltr-rtl-and-chinese-texts">Show LTR, RTL and Chinese texts</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#draw-label-with-gradient-color">Draw label with gradient color</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#customize-circular-scrolling-animation">Customize circular scrolling animation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#led">LED</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#led-with-custom-style">LED with custom style</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#line">Line</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-line">Simple Line</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#list">List</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-list">Simple List</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#sorting-a-list-using-up-and-down-buttons">Sorting a List using up and down buttons</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#id3">Menu</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-menu">Simple Menu</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-menu-with-root-btn">Simple Menu with root btn</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-menu-with-custom-header">Simple Menu with custom header</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-menu-with-floating-btn-to-add-new-menu-page">Simple Menu with floating btn to add new menu page</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#complex-menu">Complex Menu</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#meter">Meter</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#message-box">Message box</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-message-box">Simple Message box</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#roller">Roller</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-roller">Simple Roller</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#styling-the-roller">Styling the roller</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#add-fade-mask-to-roller">add fade mask to roller</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#scale">Scale</a></li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#slider">Slider</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-slider">Simple Slider</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#slider-with-custom-style">Slider with custom style</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#slider-with-extended-drawer">Slider with extended drawer</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#slider-with-opposite-direction">Slider with opposite direction</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#span">Span</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#span-with-custom-styles">Span with custom styles</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#spinbox">Spinbox</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-spinbox">Simple Spinbox</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#spinner">Spinner</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-spinner">Simple spinner</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#switch">Switch</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-switch">Simple Switch</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#table">Table</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-table">Simple table</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#lightweighted-list-from-table">Lightweighted list from table</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#tabview">Tabview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-tabview">Simple Tabview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#tabs-on-the-left-styling-and-no-scrolling">Tabs on the left, styling and no scrolling</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#textarea">Textarea</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-text-area">Simple Text area</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#text-area-with-password-field">Text area with password field</a></li>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#text-auto-formatting">Text auto-formatting</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#id4">Tabview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#tileview-with-content">Tileview with content</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../examples.html#window">Window</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../examples.html#simple-window">Simple window</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../get-started/index.html">Get started</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../get-started/quick-overview.html">Quick overview</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#get-started-in-a-simulator">Get started in a simulator</a></li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#add-lvgl-into-your-project">Add LVGL into your project</a></li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#learn-the-basics">Learn the basics</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../get-started/quick-overview.html#widgets">Widgets</a></li>
<li class="toctree-l4"><a class="reference internal" href="../get-started/quick-overview.html#events">Events</a></li>
<li class="toctree-l4"><a class="reference internal" href="../get-started/quick-overview.html#parts">Parts</a></li>
<li class="toctree-l4"><a class="reference internal" href="../get-started/quick-overview.html#states">States</a></li>
<li class="toctree-l4"><a class="reference internal" href="../get-started/quick-overview.html#styles">Styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="../get-started/quick-overview.html#themes">Themes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#examples">Examples</a></li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#a-very-simple-hello-world-label">A very simple <em>hello world</em> label</a></li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#a-button-with-a-label-and-react-on-click-event">A button with a label and react on click event</a></li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#create-styles-from-scratch-for-buttons">Create styles from scratch for buttons</a></li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#create-a-slider-and-write-its-value-on-a-label">Create a slider and write its value on a label</a></li>
<li class="toctree-l3"><a class="reference internal" href="../get-started/quick-overview.html#micropython">Micropython</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../integration/index.html">Integration and Drivers</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../integration/chip/index.html">Chip vendors</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../integration/chip/nxp.html">NXP</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/nxp.html#creating-new-project-with-lvgl">Creating new project with LVGL</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/nxp.html#hw-acceleration-for-nxp-imx-rt-platforms">HW acceleration for NXP iMX RT platforms</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/chip/stm32.html">STM32</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/stm32.html#including-lvgl-in-a-project">Including LVGL in a Project</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/stm32.html#bare-metal-example">Bare Metal Example</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/stm32.html#freertos-example">FreeRTOS Example</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/chip/espressif.html">Espressif (ESP32 chip series)</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/espressif.html#lvgl-demo-project-for-esp32">LVGL demo project for ESP32</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/espressif.html#using-lvgl-in-your-esp-idf-project">Using LVGL in your ESP-IDF project</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/chip/espressif.html#using-lvgl-esp32-drivers-in-esp-idf-project">Using lvgl_esp32_drivers in ESP-IDF project</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../integration/driver/index.html">Drivers</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../integration/driver/display/index.html">Display</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/driver/display/ili9341.html">ILI9341</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/driver/touchpad/index.html">Touchpad</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/driver/touchpad/ft6x36.html">FT6X36</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../integration/framework/index.html">Frameworks</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../integration/framework/arduino.html">Arduino</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/arduino.html#get-the-lvgl-arduino-library">Get the LVGL Arduino library</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/arduino.html#set-up-drivers">Set up drivers</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/arduino.html#configure-lvgl">Configure LVGL</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/arduino.html#initialize-and-run-lvgl">Initialize and run LVGL</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/arduino.html#use-the-examples-and-demos">Use the examples and demos</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/arduino.html#debugging-and-logging">Debugging and logging</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/framework/platformio.html">Platformio</a></li>
<li class="toctree-l3"><a class="reference internal" href="../integration/framework/tasmota-berry.html">Tasmota and berry</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/tasmota-berry.html#what-is-tasmota">What is Tasmota?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/tasmota-berry.html#what-is-berry">What is Berry?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/tasmota-berry.html#why-lvgl-tasmota-berry">Why LVGL + Tasmota + Berry?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/tasmota-berry.html#so-what-does-it-look-like">So what does it look like?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/tasmota-berry.html#how-can-i-use-it">How can I use it?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/framework/tasmota-berry.html#where-can-i-find-more-information">Where can I find more information?</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../integration/ide/index.html">IDEs</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../integration/ide/pc-simulator.html">Simulator on PC</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/ide/pc-simulator.html#select-an-ide">Select an IDE</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/ide/pc-simulator.html#set-up-eclipse-cdt">Set-up Eclipse CDT</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/ide/mdk.html">MDK</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../integration/os/index.html">(RT)OS</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../integration/os/nuttx.html">NuttX RTOS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/nuttx.html#what-is-nuttx">What is NuttX?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/nuttx.html#why-nuttx-lvgl">Why NuttX + LVGL?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/nuttx.html#how-to-get-started-with-nuttx-and-lvgl">How to get started with NuttX and LVGL?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/nuttx.html#where-can-i-find-more-information">Where can I find more information?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/os/rt-thread.html">RT-Thread RTOS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/rt-thread.html#what-is-rt-thread">What is RT-Thread?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/rt-thread.html#how-to-run-lvgl-on-rt-thread">How to run LVGL on RT-Thread?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/os/freertos.html">FreeRTOS</a></li>
<li class="toctree-l3"><a class="reference internal" href="../integration/os/zephyr.html">Zephyr</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/zephyr.html#what-is-zephyr">What is Zephyr?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/zephyr.html#how-to-run-lvgl-on-zephyr">How to run LVGL on Zephyr?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/zephyr.html#leveraging-zephyr-features">Leveraging Zephyr Features</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/os/zephyr.html#where-can-i-find-more-information">Where can I find more information?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/os/px5.html">PX5 RTOS</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../integration/bindings/index.html">Bindings</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../integration/bindings/micropython.html">Micropython</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/micropython.html#what-is-micropython">What is Micropython?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/micropython.html#why-micropython-lvgl">Why Micropython + LVGL?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/micropython.html#so-what-does-it-look-like">So what does it look like?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/micropython.html#how-can-i-use-it">How can I use it?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/micropython.html#where-can-i-find-more-information">Where can I find more information?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/micropython.html#the-micropython-binding-is-auto-generated">The Micropython Binding is auto generated!</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/bindings/cpp.html">Cpp</a></li>
<li class="toctree-l3"><a class="reference internal" href="../integration/bindings/pikascript.html">PikaScript</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/pikascript.html#what-is-pikascript">What is PikaScript ?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/pikascript.html#why-pikascript-lvgl">Why PikaScript + LVGL ?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/pikascript.html#so-how-does-it-look-like">So how does it look like?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/pikascript.html#how-does-it-work">How does it work?</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/pikascript.html#how-can-i-use-it">How can I use it?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../integration/bindings/javascript.html">JavaScript</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#table-of-contents">Table of Contents</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#features">Features</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#demo">Demo</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#building">Building</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#components">Components</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#font">Font</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#animation">Animation</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#style">Style</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#jsapi">JSAPI</a></li>
<li class="toctree-l4"><a class="reference internal" href="../integration/bindings/javascript.html#thanks">Thanks</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../porting/index.html">Porting</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../porting/project.html">Set up a project</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/project.html#get-the-library">Get the library</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/project.html#add-lvgl-to-your-project">Add lvgl to your project</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/project.html#automatically-add-files">Automatically add files</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/project.html#make-and-cmake">Make and CMake</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/project.html#other-platforms-and-tools">Other platforms and tools</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/project.html#demos-and-examples">Demos and Examples</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/project.html#configuration-file">Configuration file</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/project.html#initialization">Initialization</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../porting/disp.html">Display interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/disp.html#basic-setup">Basic setup</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#flush-cb">flush_cb</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#draw-buffers">Draw buffers</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/disp.html#advanced-options">Advanced options</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#resolution">Resolution</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#rotation">Rotation</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#color-format">Color format</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#antialiasing">Antialiasing</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#user-data">User data</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/disp.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/disp.html#other-options">Other options</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/disp.html#decoupling-the-display-refresh-timer">Decoupling the display refresh timer</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/disp.html#further-reading">Further reading</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/disp.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../porting/indev.html">Input device interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/indev.html#types-of-input-devices">Types of input devices</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#touchpad-mouse-or-any-pointer">Touchpad, mouse or any pointer</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#keypad-or-keyboard">Keypad or keyboard</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#encoder">Encoder</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#button">Button</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/indev.html#other-features">Other features</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#parameters">Parameters</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#feedback">Feedback</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#associating-with-a-display">Associating with a display</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#buffered-reading">Buffered reading</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/indev.html#decoupling-the-input-device-read-timer">Decoupling the input device read timer</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/indev.html#further-reading">Further reading</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/indev.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../porting/tick.html">Tick interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/tick.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../porting/timer_handler.html">Timer Handler</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/timer_handler.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../porting/sleep.html">Sleep management</a></li>
<li class="toctree-l2"><a class="reference internal" href="../porting/os.html">Operating system and interrupts</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/os.html#tasks-and-threads">Tasks and threads</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/os.html#interrupts">Interrupts</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../porting/log.html">Logging</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/log.html#log-level">Log level</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/log.html#printing-logs">Printing logs</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/log.html#logging-with-printf">Logging with printf</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/log.html#custom-log-function">Custom log function</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/log.html#add-logs">Add logs</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/log.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../porting/draw.html">Add custom GPU</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../porting/draw.html#draw-context">Draw context</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/draw.html#fields">Fields</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/draw.html#initialization">Initialization</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/draw.html#software-renderer">Software renderer</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/draw.html#blend-callback">Blend callback</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/draw.html#extend-the-software-renderer">Extend the software renderer</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../porting/draw.html#new-blend-callback">New blend callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="../porting/draw.html#new-rectangle-drawer">New rectangle drawer</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../porting/draw.html#fully-custom-draw-engine">Fully custom draw engine</a></li>
<li class="toctree-l3"><a class="reference internal" href="../porting/draw.html#api">API</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1 current"><a class="reference internal" href="index.html">Overview</a><ul class="current">
<li class="toctree-l2"><a class="reference internal" href="obj.html">Objects</a><ul>
<li class="toctree-l3"><a class="reference internal" href="obj.html#attributes">Attributes</a><ul>
<li class="toctree-l4"><a class="reference internal" href="obj.html#basic-attributes">Basic attributes</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#specific-attributes">Specific attributes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="obj.html#working-mechanisms">Working mechanisms</a><ul>
<li class="toctree-l4"><a class="reference internal" href="obj.html#parent-child-structure">Parent-child structure</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#moving-together">Moving together</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#visibility-only-on-the-parent">Visibility only on the parent</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#create-and-delete-objects">Create and delete objects</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="obj.html#screens">Screens</a><ul>
<li class="toctree-l4"><a class="reference internal" href="obj.html#create-screens">Create screens</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#get-the-active-screen">Get the active screen</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#load-screens">Load screens</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#layers">Layers</a></li>
<li class="toctree-l4"><a class="reference internal" href="obj.html#handling-multiple-displays">Handling multiple displays</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="obj.html#parts">Parts</a></li>
<li class="toctree-l3"><a class="reference internal" href="obj.html#states">States</a></li>
<li class="toctree-l3"><a class="reference internal" href="obj.html#snapshot">Snapshot</a></li>
<li class="toctree-l3"><a class="reference internal" href="obj.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="coord.html">Positions, sizes, and layouts</a><ul>
<li class="toctree-l3"><a class="reference internal" href="coord.html#overview">Overview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="coord.html#units">Units</a></li>
<li class="toctree-l4"><a class="reference internal" href="coord.html#boxing-model">Boxing model</a></li>
<li class="toctree-l4"><a class="reference internal" href="coord.html#important-notes">Important notes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#position">Position</a><ul>
<li class="toctree-l4"><a class="reference internal" href="coord.html#simple-way">Simple way</a></li>
<li class="toctree-l4"><a class="reference internal" href="coord.html#align">Align</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#size">Size</a><ul>
<li class="toctree-l4"><a class="reference internal" href="coord.html#sizing-the-simple-way">Sizing the Simple way</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#using-styles">Using styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#translation">Translation</a></li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#transformation">Transformation</a><ul>
<li class="toctree-l4"><a class="reference internal" href="coord.html#min-and-max-size">Min and Max size</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#layout">Layout</a><ul>
<li class="toctree-l4"><a class="reference internal" href="coord.html#layout-overview">Layout Overview</a></li>
<li class="toctree-l4"><a class="reference internal" href="coord.html#built-in-layout">Built-in layout</a></li>
<li class="toctree-l4"><a class="reference internal" href="coord.html#flags">Flags</a></li>
<li class="toctree-l4"><a class="reference internal" href="coord.html#adding-new-layouts">Adding new layouts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#examples">Examples</a></li>
<li class="toctree-l3"><a class="reference internal" href="coord.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="style.html">Styles</a><ul>
<li class="toctree-l3"><a class="reference internal" href="style.html#states">States</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#cascading-styles">Cascading styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#inheritance">Inheritance</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#forced-value-inheritance-default-value">Forced value inheritance/default value</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#parts">Parts</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#initialize-styles-and-set-get-properties">Initialize styles and set/get properties</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#add-and-remove-styles-to-a-widget">Add and remove styles to a widget</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style.html#add-styles">Add styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#replace-styles">Replace styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#remove-styles">Remove styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#report-style-changes">Report style changes</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#get-a-property-s-value-on-an-object">Get a property's value on an object</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style.html#local-styles">Local styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#properties">Properties</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style.html#typical-background-properties">Typical background properties</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style.html#transitions">Transitions</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#opacity-blend-modes-and-transformations">Opacity, Blend modes and Transformations</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#color-filter">Color filter</a></li>
<li class="toctree-l3"><a class="reference internal" href="style.html#themes">Themes</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style.html#extending-themes">Extending themes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style.html#examples">Examples</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style.html#size-styles">Size styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#background-styles">Background styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#border-styles">Border styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#outline-styles">Outline styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#shadow-styles">Shadow styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#image-styles">Image styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#arc-styles">Arc styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#text-styles">Text styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#line-styles">Line styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#transition">Transition</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#using-multiple-styles">Using multiple styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#id2">Local styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#add-styles-to-parts-and-states">Add styles to parts and states</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#extending-the-current-theme">Extending the current theme</a></li>
<li class="toctree-l4"><a class="reference internal" href="style.html#opacity-and-transformations">Opacity and Transformations</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="style-props.html">Style properties</a><ul>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#size-and-position">Size and position</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#width">width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#min-width">min_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#max-width">max_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#height">height</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#min-height">min_height</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#max-height">max_height</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#x">x</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#y">y</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#align">align</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#transform-width">transform_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#transform-height">transform_height</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#translate-x">translate_x</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#translate-y">translate_y</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#transform-zoom">transform_zoom</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#transform-angle">transform_angle</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#transform-pivot-x">transform_pivot_x</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#transform-pivot-y">transform_pivot_y</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#padding">Padding</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#pad-top">pad_top</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#pad-bottom">pad_bottom</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#pad-left">pad_left</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#pad-right">pad_right</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#pad-row">pad_row</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#pad-column">pad_column</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#margin">Margin</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#margin-top">margin_top</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#margin-bottom">margin_bottom</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#margin-left">margin_left</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#margin-right">margin_right</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#background">Background</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-color">bg_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-opa">bg_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-grad-color">bg_grad_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-grad-dir">bg_grad_dir</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-main-stop">bg_main_stop</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-grad-stop">bg_grad_stop</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-grad">bg_grad</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-dither-mode">bg_dither_mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-img-src">bg_img_src</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-img-opa">bg_img_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-img-recolor">bg_img_recolor</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-img-recolor-opa">bg_img_recolor_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#bg-img-tiled">bg_img_tiled</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#border">Border</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#border-color">border_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#border-opa">border_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#border-width">border_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#border-side">border_side</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#border-post">border_post</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#outline">Outline</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#outline-width">outline_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#outline-color">outline_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#outline-opa">outline_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#outline-pad">outline_pad</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#shadow">Shadow</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#shadow-width">shadow_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#shadow-ofs-x">shadow_ofs_x</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#shadow-ofs-y">shadow_ofs_y</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#shadow-spread">shadow_spread</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#shadow-color">shadow_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#shadow-opa">shadow_opa</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#image">Image</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#img-opa">img_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#img-recolor">img_recolor</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#img-recolor-opa">img_recolor_opa</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#line">Line</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#line-width">line_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#line-dash-width">line_dash_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#line-dash-gap">line_dash_gap</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#line-rounded">line_rounded</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#line-color">line_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#line-opa">line_opa</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#arc">Arc</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#arc-width">arc_width</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#arc-rounded">arc_rounded</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#arc-color">arc_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#arc-opa">arc_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#arc-img-src">arc_img_src</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#text">Text</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#text-color">text_color</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#text-opa">text_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#text-font">text_font</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#text-letter-space">text_letter_space</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#text-line-space">text_line_space</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#text-decor">text_decor</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#text-align">text_align</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="style-props.html#miscellaneous">Miscellaneous</a><ul>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#radius">radius</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#clip-corner">clip_corner</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#opa">opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#color-filter-dsc">color_filter_dsc</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#color-filter-opa">color_filter_opa</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#anim">anim</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#anim-time">anim_time</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#anim-speed">anim_speed</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#transition">transition</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#blend-mode">blend_mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#layout">layout</a></li>
<li class="toctree-l4"><a class="reference internal" href="style-props.html#base-dir">base_dir</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="scroll.html">Scroll</a><ul>
<li class="toctree-l3"><a class="reference internal" href="scroll.html#overview">Overview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#scrollbar">Scrollbar</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#events">Events</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="scroll.html#basic-example">Basic example</a></li>
<li class="toctree-l3"><a class="reference internal" href="scroll.html#features-of-scrolling">Features of scrolling</a><ul>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#scrollable">Scrollable</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#scroll-chain">Scroll chain</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#scroll-momentum">Scroll momentum</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#elastic-scroll">Elastic scroll</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#snapping">Snapping</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#scroll-one">Scroll one</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#scroll-on-focus">Scroll on focus</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="scroll.html#scroll-manually">Scroll manually</a></li>
<li class="toctree-l3"><a class="reference internal" href="scroll.html#self-size">Self size</a></li>
<li class="toctree-l3"><a class="reference internal" href="scroll.html#examples">Examples</a><ul>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#nested-scrolling">Nested scrolling</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#id1">Snapping</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#floating-button">Floating button</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#styling-the-scrollbars">Styling the scrollbars</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#right-to-left-scrolling">Right to left scrolling</a></li>
<li class="toctree-l4"><a class="reference internal" href="scroll.html#translate-on-scroll">Translate on scroll</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="scroll.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="layer.html">Layers</a><ul>
<li class="toctree-l3"><a class="reference internal" href="layer.html#order-of-creation">Order of creation</a></li>
<li class="toctree-l3"><a class="reference internal" href="layer.html#change-order">Change order</a></li>
<li class="toctree-l3"><a class="reference internal" href="layer.html#top-and-sys-layers">Top and sys layers</a></li>
<li class="toctree-l3"><a class="reference internal" href="layer.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="event.html">Events</a><ul>
<li class="toctree-l3"><a class="reference internal" href="event.html#add-events-to-the-object">Add events to the object</a></li>
<li class="toctree-l3"><a class="reference internal" href="event.html#remove-event-s-from-an-object">Remove event(s) from an object</a></li>
<li class="toctree-l3"><a class="reference internal" href="event.html#event-codes">Event codes</a><ul>
<li class="toctree-l4"><a class="reference internal" href="event.html#input-device-events">Input device events</a></li>
<li class="toctree-l4"><a class="reference internal" href="event.html#drawing-events">Drawing events</a></li>
<li class="toctree-l4"><a class="reference internal" href="event.html#other-events">Other events</a></li>
<li class="toctree-l4"><a class="reference internal" href="event.html#special-events">Special events</a></li>
<li class="toctree-l4"><a class="reference internal" href="event.html#custom-events">Custom events</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="event.html#sending-events">Sending events</a><ul>
<li class="toctree-l4"><a class="reference internal" href="event.html#refresh-event">Refresh event</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="event.html#fields-of-lv-event-t">Fields of lv_event_t</a></li>
<li class="toctree-l3"><a class="reference internal" href="event.html#event-bubbling">Event bubbling</a></li>
<li class="toctree-l3"><a class="reference internal" href="event.html#examples">Examples</a><ul>
<li class="toctree-l4"><a class="reference internal" href="event.html#button-click-event">Button click event</a></li>
<li class="toctree-l4"><a class="reference internal" href="event.html#handle-multiple-events">Handle multiple events</a></li>
<li class="toctree-l4"><a class="reference internal" href="event.html#id2">Event bubbling</a></li>
<li class="toctree-l4"><a class="reference internal" href="event.html#draw-event">Draw event</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="event.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="indev.html">Input devices</a><ul>
<li class="toctree-l3"><a class="reference internal" href="indev.html#pointers">Pointers</a><ul>
<li class="toctree-l4"><a class="reference internal" href="indev.html#cursor">Cursor</a></li>
<li class="toctree-l4"><a class="reference internal" href="indev.html#gestures">Gestures</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="indev.html#keypad-and-encoder">Keypad and encoder</a><ul>
<li class="toctree-l4"><a class="reference internal" href="indev.html#groups">Groups</a></li>
<li class="toctree-l4"><a class="reference internal" href="indev.html#styling">Styling</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="indev.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="disp.html">Displays</a><ul>
<li class="toctree-l3"><a class="reference internal" href="disp.html#multiple-display-support">Multiple display support</a><ul>
<li class="toctree-l4"><a class="reference internal" href="disp.html#using-only-one-display">Using only one display</a></li>
<li class="toctree-l4"><a class="reference internal" href="disp.html#mirror-display">Mirror display</a></li>
<li class="toctree-l4"><a class="reference internal" href="disp.html#split-image">Split image</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="disp.html#screens">Screens</a><ul>
<li class="toctree-l4"><a class="reference internal" href="disp.html#transparent-screens">Transparent screens</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="disp.html#features-of-displays">Features of displays</a><ul>
<li class="toctree-l4"><a class="reference internal" href="disp.html#inactivity">Inactivity</a></li>
<li class="toctree-l4"><a class="reference internal" href="disp.html#background">Background</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="disp.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="color.html">Colors</a><ul>
<li class="toctree-l3"><a class="reference internal" href="color.html#creating-colors">Creating colors</a><ul>
<li class="toctree-l4"><a class="reference internal" href="color.html#rgb">RGB</a></li>
<li class="toctree-l4"><a class="reference internal" href="color.html#hsv">HSV</a></li>
<li class="toctree-l4"><a class="reference internal" href="color.html#palette">Palette</a></li>
<li class="toctree-l4"><a class="reference internal" href="color.html#modify-and-mix-colors">Modify and mix colors</a></li>
<li class="toctree-l4"><a class="reference internal" href="color.html#built-in-colors">Built-in colors</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="color.html#opacity">Opacity</a></li>
<li class="toctree-l3"><a class="reference internal" href="color.html#color-types">Color types</a><ul>
<li class="toctree-l4"><a class="reference internal" href="color.html#convert-color">Convert color</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="color.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="font.html">Fonts</a><ul>
<li class="toctree-l3"><a class="reference internal" href="font.html#unicode-support">Unicode support</a></li>
<li class="toctree-l3"><a class="reference internal" href="font.html#built-in-fonts">Built-in fonts</a><ul>
<li class="toctree-l4"><a class="reference internal" href="font.html#special-fonts">Special fonts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="font.html#special-features">Special features</a><ul>
<li class="toctree-l4"><a class="reference internal" href="font.html#bidirectional-support">Bidirectional support</a></li>
<li class="toctree-l4"><a class="reference internal" href="font.html#arabic-and-persian-support">Arabic and Persian support</a></li>
<li class="toctree-l4"><a class="reference internal" href="font.html#subpixel-rendering">Subpixel rendering</a></li>
<li class="toctree-l4"><a class="reference internal" href="font.html#compressed-fonts">Compressed fonts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="font.html#add-a-new-font">Add a new font</a></li>
<li class="toctree-l3"><a class="reference internal" href="font.html#add-new-symbols">Add new symbols</a></li>
<li class="toctree-l3"><a class="reference internal" href="font.html#load-a-font-at-run-time">Load a font at run-time</a></li>
<li class="toctree-l3"><a class="reference internal" href="font.html#load-a-font-from-a-memory-buffer-at-run-time">Load a font from a memory buffer at run-time</a></li>
<li class="toctree-l3"><a class="reference internal" href="font.html#add-a-new-font-engine">Add a new font engine</a></li>
<li class="toctree-l3"><a class="reference internal" href="font.html#use-font-fallback">Use font fallback</a></li>
<li class="toctree-l3"><a class="reference internal" href="font.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2 current"><a class="current reference internal" href="#">Images</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#store-images">Store images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#variables">Variables</a></li>
<li class="toctree-l4"><a class="reference internal" href="#files">Files</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="#color-formats">Color formats</a></li>
<li class="toctree-l3"><a class="reference internal" href="#add-and-use-images">Add and use images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#online-converter">Online converter</a></li>
<li class="toctree-l4"><a class="reference internal" href="#manually-create-an-image">Manually create an image</a></li>
<li class="toctree-l4"><a class="reference internal" href="#use-images">Use images</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="#image-decoder">Image decoder</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#custom-image-formats">Custom image formats</a></li>
<li class="toctree-l4"><a class="reference internal" href="#register-an-image-decoder">Register an image decoder</a></li>
<li class="toctree-l4"><a class="reference internal" href="#manually-use-an-image-decoder">Manually use an image decoder</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="#image-caching">Image caching</a><ul>
<li class="toctree-l4"><a class="reference internal" href="#cache-size">Cache size</a></li>
<li class="toctree-l4"><a class="reference internal" href="#value-of-images">Value of images</a></li>
<li class="toctree-l4"><a class="reference internal" href="#memory-usage">Memory usage</a></li>
<li class="toctree-l4"><a class="reference internal" href="#clean-the-cache">Clean the cache</a></li>
<li class="toctree-l4"><a class="reference internal" href="#custom-cache-algorithm">Custom cache algorithm</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="fs.html">File system</a><ul>
<li class="toctree-l3"><a class="reference internal" href="fs.html#ready-to-use-drivers">Ready to use drivers</a></li>
<li class="toctree-l3"><a class="reference internal" href="fs.html#adding-a-driver">Adding a driver</a><ul>
<li class="toctree-l4"><a class="reference internal" href="fs.html#registering-a-driver">Registering a driver</a></li>
<li class="toctree-l4"><a class="reference internal" href="fs.html#implementing-the-callbacks">Implementing the callbacks</a></li>
<li class="toctree-l4"><a class="reference internal" href="fs.html#other-callbacks">Other callbacks</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="fs.html#usage-example">Usage example</a></li>
<li class="toctree-l3"><a class="reference internal" href="fs.html#use-drives-for-images">Use drives for images</a></li>
<li class="toctree-l3"><a class="reference internal" href="fs.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="anim.html">Animations</a><ul>
<li class="toctree-l3"><a class="reference internal" href="anim.html#create-an-animation">Create an animation</a></li>
<li class="toctree-l3"><a class="reference internal" href="anim.html#animation-path">Animation path</a></li>
<li class="toctree-l3"><a class="reference internal" href="anim.html#speed-vs-time">Speed vs time</a></li>
<li class="toctree-l3"><a class="reference internal" href="anim.html#delete-animations">Delete animations</a></li>
<li class="toctree-l3"><a class="reference internal" href="anim.html#timeline">Timeline</a></li>
<li class="toctree-l3"><a class="reference internal" href="anim.html#examples">Examples</a><ul>
<li class="toctree-l4"><a class="reference internal" href="anim.html#start-animation-on-an-event">Start animation on an event</a></li>
<li class="toctree-l4"><a class="reference internal" href="anim.html#playback-animation">Playback animation</a></li>
<li class="toctree-l4"><a class="reference internal" href="anim.html#animation-timeline">Animation timeline</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="anim.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="timer.html">Timers</a><ul>
<li class="toctree-l3"><a class="reference internal" href="timer.html#create-a-timer">Create a timer</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#ready-and-reset">Ready and Reset</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#set-parameters">Set parameters</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#repeat-count">Repeat count</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#enable-and-disable">Enable and Disable</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#pause-and-resume">Pause and Resume</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#measure-idle-time">Measure idle time</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#timer-handler-resume-callback">Timer handler resume callback</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#asynchronous-calls">Asynchronous calls</a></li>
<li class="toctree-l3"><a class="reference internal" href="timer.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="draw.html">Drawing</a><ul>
<li class="toctree-l3"><a class="reference internal" href="draw.html#mechanism-of-screen-refreshing">Mechanism of screen refreshing</a></li>
<li class="toctree-l3"><a class="reference internal" href="draw.html#masking">Masking</a><ul>
<li class="toctree-l4"><a class="reference internal" href="draw.html#using-masks">Using masks</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="draw.html#hook-drawing">Hook drawing</a><ul>
<li class="toctree-l4"><a class="reference internal" href="draw.html#main-drawing">Main drawing</a></li>
<li class="toctree-l4"><a class="reference internal" href="draw.html#post-drawing">Post drawing</a></li>
<li class="toctree-l4"><a class="reference internal" href="draw.html#part-drawing">Part drawing</a></li>
<li class="toctree-l4"><a class="reference internal" href="draw.html#others">Others</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="draw.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="profiler.html">Profiler</a><ul>
<li class="toctree-l3"><a class="reference internal" href="profiler.html#introduction">Introduction</a></li>
<li class="toctree-l3"><a class="reference internal" href="profiler.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#configure-profiler">Configure profiler</a></li>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#run-the-test-scenario">Run the test scenario</a></li>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#process-the-logs">Process the logs</a></li>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#performance-analysis">Performance analysis</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="profiler.html#add-measurement-point">Add Measurement Point</a></li>
<li class="toctree-l3"><a class="reference internal" href="profiler.html#custom-profiler-implementation">Custom profiler implementation</a></li>
<li class="toctree-l3"><a class="reference internal" href="profiler.html#faq">FAQ</a><ul>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#perfetto-log-parsing-fails">Perfetto log parsing fails</a></li>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#function-execution-time-displayed-as-0s-in-perfetto">Function execution time displayed as 0s in Perfetto</a></li>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#significant-stuttering-occurs-during-profiling">Significant stuttering occurs during profiling</a></li>
<li class="toctree-l4"><a class="reference internal" href="profiler.html#trace-logs-are-not-being-output">Trace logs are not being output</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="renderers/index.html">Renderers and GPUs</a><ul>
<li class="toctree-l3"><a class="reference internal" href="renderers/sw.html">Software renderer</a><ul>
<li class="toctree-l4"><a class="reference internal" href="renderers/sw.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="renderers/sdl.html">SDL renderer</a><ul>
<li class="toctree-l4"><a class="reference internal" href="renderers/sdl.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="renderers/arm2d.html">Arm-2D GPU</a><ul>
<li class="toctree-l4"><a class="reference internal" href="renderers/arm2d.html#how-to-use">How to Use</a></li>
<li class="toctree-l4"><a class="reference internal" href="renderers/arm2d.html#design-considerations">Design Considerations</a></li>
<li class="toctree-l4"><a class="reference internal" href="renderers/arm2d.html#examples">Examples</a></li>
<li class="toctree-l4"><a class="reference internal" href="renderers/arm2d.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="renderers/pxp.html">NXP PXP GPU</a><ul>
<li class="toctree-l4"><a class="reference internal" href="renderers/pxp.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="renderers/stm32_dma2d.html">DMA2D GPU</a><ul>
<li class="toctree-l4"><a class="reference internal" href="renderers/stm32_dma2d.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="renderers/vglite.html">NXP VGLite GPU</a><ul>
<li class="toctree-l4"><a class="reference internal" href="renderers/vglite.html#api">API</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="new_widget.html">New widget</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../widgets/index.html">Widgets</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../widgets/obj.html">Base object (lv_obj)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/obj.html#overview">Overview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#coordinates">Coordinates</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#parents-and-children">Parents and children</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#display-and-screens">Display and Screens</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#events">Events</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#styles">Styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#flags">Flags</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#groups">Groups</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#extended-click-area">Extended click area</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/obj.html#events-1">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/obj.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/obj.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#base-objects-with-custom-styles">Base objects with custom styles</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/obj.html#make-an-object-draggable">Make an object draggable</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/obj.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/arc.html">Arc (lv_arc)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/arc.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/arc.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/arc.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#value-and-range">Value and range</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#rotation">Rotation</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#mode">Mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#change-rate">Change rate</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#knob-offset">Knob offset</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#setting-the-indicator-manually">Setting the indicator manually</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#advanced-hit-test">Advanced hit test</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#place-another-object-to-the-knob">Place another object to the knob</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/arc.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/arc.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/arc.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#simple-arc">Simple Arc</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/arc.html#loader-with-arc">Loader with Arc</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/arc.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/animimg.html">Animation Image (lv_animimg)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/animimg.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/animimg.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/animimg.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/animimg.html#image-sources">Image sources</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/animimg.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/animimg.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/animimg.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/animimg.html#simple-animation-image">Simple Animation Image</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/animimg.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/bar.html">Bar (lv_bar)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/bar.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/bar.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/bar.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#value-and-range">Value and range</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#modes">Modes</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/bar.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/bar.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/bar.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#simple-bar">Simple Bar</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#styling-a-bar">Styling a bar</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#temperature-meter">Temperature meter</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#stripe-pattern-and-range-value">Stripe pattern and range value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#bar-with-ltr-and-rtl-base-direction">Bar with LTR and RTL base direction</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#custom-drawer-to-show-the-current-value">Custom drawer to show the current value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/bar.html#bar-with-opposite-direction">Bar with opposite direction</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/bar.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/btn.html">Button (lv_btn)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btn.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btn.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btn.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btn.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btn.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btn.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btn.html#simple-buttons">Simple Buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btn.html#styling-buttons">Styling buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btn.html#gummy-button">Gummy button</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btn.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/btnmatrix.html">Button matrix (lv_btnmatrix)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btnmatrix.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btnmatrix.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btnmatrix.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btnmatrix.html#button-s-text">Button's text</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btnmatrix.html#control-buttons">Control buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btnmatrix.html#one-check">One check</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btnmatrix.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btnmatrix.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btnmatrix.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btnmatrix.html#simple-button-matrix">Simple Button matrix</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btnmatrix.html#custom-buttons">Custom buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/btnmatrix.html#pagination">Pagination</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/btnmatrix.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/calendar.html">Calendar (lv_calendar)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/calendar.html#current-date">Current date</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/calendar.html#shown-date">Shown date</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/calendar.html#highlighted-days">Highlighted days</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/calendar.html#name-of-the-days">Name of the days</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#headers">Headers</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/calendar.html#arrow-buttons">Arrow buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/calendar.html#drop-down">Drop-down</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/calendar.html#calendar-with-header">Calendar with header</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/calendar.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/chart.html">Chart (lv_chart)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/chart.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/chart.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/chart.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#chart-type">Chart type</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#data-series">Data series</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#modify-the-data">Modify the data</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#update-modes">Update modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#number-of-points">Number of points</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#vertical-range">Vertical range</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#division-lines">Division lines</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#override-default-start-point-for-series">Override default start point for series</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#tick-marks-and-labels">Tick marks and labels</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#zoom">Zoom</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#cursor">Cursor</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/chart.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/chart.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/chart.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#line-chart">Line Chart</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#axis-ticks-and-labels-with-scrolling">Axis ticks and labels with scrolling</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#show-the-value-of-the-pressed-points">Show the value of the pressed points</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#recolor-bars-based-on-their-value">Recolor bars based on their value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#faded-area-line-chart-with-custom-division-lines">Faded area line chart with custom division lines</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#show-cursor-on-the-clicked-point">Show cursor on the clicked point</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/chart.html#scatter-chart">Scatter chart</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/chart.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/colorwheel.html">Color wheel (lv_colorwheel)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/colorwheel.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/colorwheel.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/colorwheel.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/colorwheel.html#create-a-color-wheel">Create a color wheel</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/colorwheel.html#set-color">Set color</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/colorwheel.html#color-mode">Color mode</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/colorwheel.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/colorwheel.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/colorwheel.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/colorwheel.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/canvas.html">Canvas (lv_canvas)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/canvas.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/canvas.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/canvas.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#buffer">Buffer</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#indexed-colors">Indexed colors</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#drawing">Drawing</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#transformations">Transformations</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#blur">Blur</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/canvas.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/canvas.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/canvas.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#drawing-on-the-canvas-and-rotate">Drawing on the Canvas and rotate</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#transparent-canvas-with-chroma-keying">Transparent Canvas with chroma keying</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#draw-a-rectangle-to-the-canvas">Draw a rectangle to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#draw-a-label-to-the-canvas">Draw a label to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#draw-an-arc-to-the-canvas">Draw an arc to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#draw-an-image-to-the-canvas">Draw an image to the canvas</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/canvas.html#draw-a-line-to-the-canvas">Draw a line to the canvas</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/canvas.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/checkbox.html">Checkbox (lv_checkbox)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/checkbox.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/checkbox.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/checkbox.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/checkbox.html#text">Text</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/checkbox.html#check-uncheck-disable">Check, uncheck, disable</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/checkbox.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/checkbox.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/checkbox.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/checkbox.html#simple-checkboxes">Simple Checkboxes</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/checkbox.html#checkboxes-as-radio-buttons">Checkboxes as radio buttons</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/checkbox.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/dropdown.html">Drop-down list (lv_dropdown)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#parts-and-styles">Parts and Styles</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#button">Button</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#list">List</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#options">Options</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#set-options">Set options</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#get-selected-option">Get selected option</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#direction">Direction</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#symbol">Symbol</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#show-selected">Show selected</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#manually-open-close">Manually open/close</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#simple-drop-down-list">Simple Drop down list</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#drop-down-in-four-directions">Drop down in four directions</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/dropdown.html#menu">Menu</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/dropdown.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/img.html">Image (lv_img)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#image-source">Image source</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#label-as-an-image">Label as an image</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#transparency">Transparency</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#palette-and-alpha-index">Palette and Alpha index</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#recolor">Recolor</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#auto-size">Auto-size</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#mosaic">Mosaic</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#offset">Offset</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#transformations">Transformations</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#size-mode">Size mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#rounded-image">Rounded image</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#image-from-variable-and-symbol">Image from variable and symbol</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#image-recoloring">Image recoloring</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#rotate-and-zoom">Rotate and zoom</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/img.html#image-offset-and-styling">Image offset and styling</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/img.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/imgbtn.html">Image button (lv_imgbtn)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/imgbtn.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/imgbtn.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/imgbtn.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/imgbtn.html#image-sources">Image sources</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/imgbtn.html#states">States</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/imgbtn.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/imgbtn.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/imgbtn.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/imgbtn.html#simple-image-button">Simple Image button</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/imgbtn.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/keyboard.html">Keyboard (lv_keyboard)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/keyboard.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/keyboard.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/keyboard.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/keyboard.html#modes">Modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/keyboard.html#assign-text-area">Assign Text area</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/keyboard.html#key-popovers">Key Popovers</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/keyboard.html#new-keymap">New Keymap</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/keyboard.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/keyboard.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/keyboard.html#examples">Examples</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/keyboard.html#keyboard-with-text-area">Keyboard with text area</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/keyboard.html#keyboard-with-custom-map">Keyboard with custom map</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/keyboard.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/label.html">Label (lv_label)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/label.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/label.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/label.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#set-text">Set text</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#newline">Newline</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#long-modes">Long modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#text-recolor">Text recolor</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#text-selection">Text selection</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#text-alignment">Text alignment</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#very-long-texts">Very long texts</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#custom-scrolling-animations">Custom scrolling animations</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#symbols">Symbols</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/label.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/label.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/label.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#line-wrap-recoloring-and-scrolling">Line wrap, recoloring and scrolling</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#text-shadow">Text shadow</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#show-ltr-rtl-and-chinese-texts">Show LTR, RTL and Chinese texts</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#draw-label-with-gradient-color">Draw label with gradient color</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/label.html#customize-circular-scrolling-animation">Customize circular scrolling animation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/label.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/led.html">LED (lv_led)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/led.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/led.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/led.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/led.html#color">Color</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/led.html#brightness">Brightness</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/led.html#toggle">Toggle</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/led.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/led.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/led.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/led.html#led-with-custom-style">LED with custom style</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/led.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/line.html">Line (lv_line)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/line.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/line.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/line.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/line.html#set-points">Set points</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/line.html#auto-size">Auto-size</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/line.html#invert-y">Invert y</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/line.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/line.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/line.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/line.html#simple-line">Simple Line</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/line.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/list.html">List (lv_list)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/list.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/list.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/list.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/list.html#buttons">Buttons</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/list.html#texts">Texts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/list.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/list.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/list.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/list.html#simple-list">Simple List</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/list.html#sorting-a-list-using-up-and-down-buttons">Sorting a List using up and down buttons</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/list.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/menu.html">Menu (lv_menu)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/menu.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/menu.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/menu.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#create-a-menu">Create a menu</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#header-mode">Header mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#root-back-button-mode">Root back button mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#create-a-menu-page">Create a menu page</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#set-a-menu-page-in-the-main-area">Set a menu page in the main area</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#set-a-menu-page-in-the-sidebar">Set a menu page in the sidebar</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#linking-between-menu-pages">Linking between menu pages</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#create-a-menu-container-section-separator">Create a menu container, section, separator</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/menu.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/menu.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/menu.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#simple-menu">Simple Menu</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#simple-menu-with-root-btn">Simple Menu with root btn</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#simple-menu-with-custom-header">Simple Menu with custom header</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#simple-menu-with-floating-btn-to-add-new-menu-page">Simple Menu with floating btn to add new menu page</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/menu.html#complex-menu">Complex Menu</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/menu.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/msgbox.html">Message box (lv_msgbox)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/msgbox.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/msgbox.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/msgbox.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/msgbox.html#create-a-message-box">Create a message box</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/msgbox.html#get-the-parts">Get the parts</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/msgbox.html#close-the-message-box">Close the message box</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/msgbox.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/msgbox.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/msgbox.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/msgbox.html#simple-message-box">Simple Message box</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/msgbox.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/roller.html">Roller (lv_roller)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/roller.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/roller.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/roller.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/roller.html#set-options">Set options</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/roller.html#get-selected-option">Get selected option</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/roller.html#visible-rows">Visible rows</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/roller.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/roller.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/roller.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/roller.html#simple-roller">Simple Roller</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/roller.html#styling-the-roller">Styling the roller</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/roller.html#add-fade-mask-to-roller">add fade mask to roller</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/roller.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/scale.html">Scale (lv_scale)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/scale.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/scale.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/scale.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/scale.html#set-ranges">Set ranges</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/scale.html#configure-ticks">Configure ticks</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/scale.html#sections">Sections</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/scale.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/scale.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/scale.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/scale.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/slider.html">Slider (lv_slider)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/slider.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/slider.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/slider.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/slider.html#value-and-range">Value and range</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/slider.html#modes">Modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/slider.html#knob-only-mode">Knob-only mode</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/slider.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/slider.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/slider.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/slider.html#simple-slider">Simple Slider</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/slider.html#slider-with-custom-style">Slider with custom style</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/slider.html#slider-with-extended-drawer">Slider with extended drawer</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/slider.html#slider-with-opposite-direction">Slider with opposite direction</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/slider.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/span.html">Span (lv_span)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/span.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/span.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/span.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#set-text-and-style">Set text and style</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#retrieving-a-span-child">Retrieving a span child</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#child-count">Child Count</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#text-align">Text align</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#modes">Modes</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#overflow">Overflow</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#first-line-indent">first line indent</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#lines">lines</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/span.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/span.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/span.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/span.html#span-with-custom-styles">Span with custom styles</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/span.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/spinbox.html">Spinbox (lv_spinbox)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinbox.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinbox.html#parts-and-styles">Parts and Styles</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/spinbox.html#value-range-and-step">Value, range and step</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/spinbox.html#format">Format</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/spinbox.html#rollover">Rollover</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinbox.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinbox.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinbox.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/spinbox.html#simple-spinbox">Simple Spinbox</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinbox.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/spinner.html">Spinner (lv_spinner)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinner.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinner.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinner.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/spinner.html#create-a-spinner">Create a spinner</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinner.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinner.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinner.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/spinner.html#simple-spinner">Simple spinner</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/spinner.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/switch.html">Switch (lv_switch)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/switch.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/switch.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/switch.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/switch.html#change-state">Change state</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/switch.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/switch.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/switch.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/switch.html#simple-switch">Simple Switch</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/switch.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/table.html">Table (lv_table)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/table.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/table.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/table.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#set-cell-value">Set cell value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#rows-and-columns">Rows and Columns</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#width-and-height">Width and Height</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#merge-cells">Merge cells</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#scroll">Scroll</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/table.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/table.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/table.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#simple-table">Simple table</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#lightweighted-list-from-table">Lightweighted list from table</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/table.html#micropython">MicroPython</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/table.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/tabview.html">Tabview (lv_tabview)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tabview.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tabview.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tabview.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tabview.html#create-a-tab-view">Create a Tab view</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tabview.html#add-tabs">Add tabs</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tabview.html#rename-tabs">Rename tabs</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tabview.html#change-tab">Change tab</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tabview.html#get-the-parts">Get the parts</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tabview.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tabview.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tabview.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tabview.html#simple-tabview">Simple Tabview</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tabview.html#tabs-on-the-left-styling-and-no-scrolling">Tabs on the left, styling and no scrolling</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tabview.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/textarea.html">Text area (lv_textarea)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/textarea.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/textarea.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/textarea.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#add-text">Add text</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#placeholder">Placeholder</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#delete-character">Delete character</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#move-the-cursor">Move the cursor</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#hide-the-cursor">Hide the cursor</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#one-line-mode">One line mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#password-mode">Password mode</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#accepted-characters">Accepted characters</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#max-text-length">Max text length</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#very-long-texts">Very long texts</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#select-text">Select text</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/textarea.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/textarea.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/textarea.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#simple-text-area">Simple Text area</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#text-area-with-password-field">Text area with password field</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/textarea.html#text-auto-formatting">Text auto-formatting</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/textarea.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/tileview.html">Tile view (lv_tileview)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tileview.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tileview.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tileview.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tileview.html#add-a-tile">Add a tile</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tileview.html#change-tile">Change tile</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tileview.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tileview.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tileview.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/tileview.html#tileview-with-content">Tileview with content</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/tileview.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../widgets/win.html">Window (lv_win)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#parts-and-styles">Parts and Styles</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/win.html#create-a-window">Create a Window</a></li>
<li class="toctree-l4"><a class="reference internal" href="../widgets/win.html#title-and-buttons">Title and buttons</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#get-the-parts">Get the parts</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#events">Events</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#keys">Keys</a></li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../widgets/win.html#simple-window">Simple window</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../widgets/win.html#api">API</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../layouts/index.html">Layouts</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../layouts/flex.html">Flex</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../layouts/flex.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/flex.html#terms">Terms</a></li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/flex.html#simple-interface">Simple interface</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#flex-flow">Flex flow</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#flex-align">Flex align</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#flex-grow">Flex grow</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/flex.html#style-interface">Style interface</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#internal-padding">Internal padding</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/flex.html#other-features">Other features</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#rtl">RTL</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#new-track">New track</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/flex.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#a-simple-row-and-a-column-layout-with-flexbox">A simple row and a column layout with flexbox</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#arrange-items-in-rows-with-wrap-and-even-spacing">Arrange items in rows with wrap and even spacing</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#demonstrate-flex-grow">Demonstrate flex grow</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#id1">Demonstrate flex grow.</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#demonstrate-column-and-row-gap-style-properties">Demonstrate column and row gap style properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/flex.html#rtl-base-direction-changes-order-of-the-items">RTL base direction changes order of the items</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/flex.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../layouts/grid.html">Grid</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../layouts/grid.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/grid.html#terms">Terms</a></li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/grid.html#simple-interface">Simple interface</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#grid-descriptors">Grid descriptors</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#grid-items">Grid items</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#grid-align">Grid align</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#sub-grid">Sub grid</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/grid.html#style-interface">Style interface</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#internal-padding">Internal padding</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/grid.html#other-features">Other features</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#rtl">RTL</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/grid.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#a-simple-grid">A simple grid</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#demonstrate-cell-placement-and-span">Demonstrate cell placement and span</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#demonstrate-grid-s-free-unit">Demonstrate grid's -free unit-</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#demonstrate-track-placement">Demonstrate track placement</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#demonstrate-column-and-row-gap">Demonstrate column and row gap</a></li>
<li class="toctree-l4"><a class="reference internal" href="../layouts/grid.html#demonstrate-rtl-direction-on-grid">Demonstrate RTL direction on grid</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../layouts/grid.html#api">API</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../libs/index.html">3rd party libraries</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../libs/fs.html">File System Interfaces</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/fs.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/fs.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/bmp.html">BMP decoder</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/bmp.html#limitations">Limitations</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/bmp.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/bmp.html#open-a-bmp-image-from-file">Open a BMP image from file</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/bmp.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/tjpgd.html">TJPGD decoder</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/tjpgd.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tjpgd.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tjpgd.html#converter">Converter</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../libs/tjpgd.html#converting-jpg-to-c-array">Converting JPG to C array</a></li>
<li class="toctree-l4"><a class="reference internal" href="../libs/tjpgd.html#converting-jpg-to-sjpg">Converting JPG to SJPG</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tjpgd.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tjpgd.html#load-an-sjpg-image">Load an SJPG image</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tjpgd.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/libjpeg_turbo.html">libjpge-turbo decoder</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/libjpeg_turbo.html#install">Install</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libjpeg_turbo.html#add-libjpge-turbo-to-your-project">Add libjpge-turbo to your project</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libjpeg_turbo.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libjpeg_turbo.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libjpeg_turbo.html#load-an-jpg-image">Load an JPG image</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libjpeg_turbo.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/lodepng.html">LODEPNG decoder</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/lodepng.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/lodepng.html#open-a-png-image-from-file-and-variable">Open a PNG image from file and variable</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/lodepng.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/libpng.html">libpng decoder</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/libpng.html#install">Install</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libpng.html#add-libpng-to-your-project">Add libpng to your project</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libpng.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libpng.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libpng.html#open-a-png-image-from-file">Open a PNG image from file</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/libpng.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/gif.html">GIF decoder</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/gif.html#convert-gif-files-to-c-array">Convert GIF files to C array</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/gif.html#use-gif-images-from-file">Use GIF images from file</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/gif.html#memory-requirements">Memory requirements</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/gif.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/gif.html#open-a-gif-image-from-file-and-variable">Open a GIF image from file and variable</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/gif.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/freetype.html">FreeType support</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/freetype.html#add-freetype-to-your-project">Add FreeType to your project</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../libs/freetype.html#for-embedded-devices">For Embedded Devices</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../libs/freetype.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/freetype.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/freetype.html#open-a-front-with-freetype">Open a front with FreeType</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/freetype.html#learn-more">Learn more</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/freetype.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/tiny_ttf.html">Tiny TTF font engine</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/tiny_ttf.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tiny_ttf.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tiny_ttf.html#open-a-font-with-tiny-ttf-from-data-array">Open a font with Tiny TTF from data array</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tiny_ttf.html#load-a-font-with-tiny-ttf-from-file">Load a font with Tiny_TTF from file</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tiny_ttf.html#change-font-size-with-tiny-ttf">Change font size with Tiny_TTF</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/tiny_ttf.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/qrcode.html">QR code</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/qrcode.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/qrcode.html#notes">Notes</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/qrcode.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/qrcode.html#create-a-qr-code">Create a QR Code</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/qrcode.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/barcode.html">Barcode</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/barcode.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/barcode.html#notes">Notes</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/barcode.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/barcode.html#create-a-barcode">Create a Barcode</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/barcode.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/rlottie.html">Lottie player</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#build-rlottie">Build Rlottie</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#esp-idf-example-at-bottom">ESP-IDF example at bottom</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#use-rlottie-from-file">Use Rlottie from file</a></li>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#use-rlottie-from-raw-string-data">Use Rlottie from raw string data</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#getting-animations">Getting animations</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#controlling-animations">Controlling animations</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#esp-idf-example">ESP-IDF Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#background">Background</a></li>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#idf-setup">IDF Setup</a></li>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#rlottie-patch-file">Rlottie patch file</a></li>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#cmakelists-for-idf">CMakeLists for IDF</a></li>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#additional-rlottie-considerations-in-esp-idf">Additional Rlottie considerations in ESP-IDF</a></li>
<li class="toctree-l4"><a class="reference internal" href="../libs/rlottie.html#additional-changes-to-make-use-of-spiram">Additional changes to make use of SPIRAM</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#load-a-lottie-animation-from-raw-data">Load a Lottie animation from raw data</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#load-a-lottie-animation-from-a-file">Load a Lottie animation from a file</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/rlottie.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../libs/ffmpeg.html">FFmpeg support</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../libs/ffmpeg.html#install-ffmpeg">Install FFmpeg</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/ffmpeg.html#add-ffmpeg-to-your-project">Add FFmpeg to your project</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/ffmpeg.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/ffmpeg.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/ffmpeg.html#decode-image">Decode image</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/ffmpeg.html#decode-video">Decode video</a></li>
<li class="toctree-l3"><a class="reference internal" href="../libs/ffmpeg.html#api">API</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../others/index.html">Others</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../others/snapshot.html">Snapshot</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/snapshot.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/snapshot.html#free-the-image">Free the Image</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/snapshot.html#use-existing-buffer">Use Existing Buffer</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/snapshot.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/snapshot.html#simple-snapshot-example">Simple snapshot example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/snapshot.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/monkey.html">Monkey</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/monkey.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/monkey.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/monkey.html#touchpad-monkey-example">Touchpad monkey example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/monkey.html#encoder-monkey-example">Encoder monkey example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/monkey.html#button-monkey-example">Button monkey example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/monkey.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/gridnav.html">Grid navigation</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#focusable-objects">Focusable objects</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#basic-grid-navigation">Basic grid navigation</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#grid-navigation-on-a-list">Grid navigation on a list</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#nested-grid-navigations">Nested grid navigations</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#simple-navigation-on-a-list-widget">Simple navigation on a list widget</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/gridnav.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/file_explorer.html">File Explorer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/file_explorer.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/file_explorer.html#quick-access">Quick access</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/file_explorer.html#sort">Sort</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/file_explorer.html#event">Event</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/file_explorer.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/file_explorer.html#simple-file-explorer">Simple File Explorer</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/file_explorer.html#control-file-explorer">Control File Explorer</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/file_explorer.html#custom-sort">Custom sort</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/file_explorer.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/fragment.html">Fragment</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/fragment.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/fragment.html#create-fragment-class">Create Fragment Class</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/fragment.html#use-lv-fragment-manager">Use <code class="docutils literal notranslate"><span class="pre">lv_fragment_manager</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/fragment.html#fragment-based-navigation">Fragment Based Navigation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/fragment.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/fragment.html#basic-fragment-usage">Basic fragment usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/fragment.html#stack-navigation-example">Stack navigation example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/fragment.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/observer.html">Observer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/observer.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/observer.html#subject">Subject</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#subject-initialization">Subject initialization</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#set-subject-value">Set subject value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#get-subject-s-value">Get subject's value</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#get-subject-s-previous-value">Get subject's previous value</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/observer.html#id1">Observer</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#subscribe-to-a-subject">Subscribe to a subject</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#unsubscribe-from-a-subject">Unsubscribe from a subject</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/observer.html#subject-groups">Subject groups</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/observer.html#widget-binding">Widget binding</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#base-object">Base object</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#button">Button</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#label">Label</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#arc">Arc</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#slider">Slider</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#roller">Roller</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#drop-down">Drop-down</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/observer.html#example">Example</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#bind-a-slider-s-value-to-a-label">Bind a slider's value to a label</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#handling-login-and-its-states">Handling login and its states</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#set-time-with-12-24-mode-and-am-pm">Set time with 12/24 mode and AM/PM</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#custom-tab-view-with-state-management">Custom tab view with state management</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#firmware-update-process">Firmware update process</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/observer.html#modular-style-update-on-theme-change">Modular style update on theme change</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/observer.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/imgfont.html">Image font (imgfont)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/imgfont.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/imgfont.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/imgfont.html#use-emojis-in-a-text">Use emojis in a text.</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/imgfont.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/ime_pinyin.html">Pinyin IME</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/ime_pinyin.html#usage">Usage</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/ime_pinyin.html#custom-dictionary">Custom dictionary</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/ime_pinyin.html#dictionary-format">Dictionary format</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/ime_pinyin.html#apply-new-dictionary">Apply new dictionary</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../others/ime_pinyin.html#modes">Modes</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/ime_pinyin.html#example">Example</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/ime_pinyin.html#pinyin-ime-26-key-input">Pinyin IME 26 key input</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/ime_pinyin.html#pinyin-ime-9-key-input">Pinyin IME 9 key input</a></li>
<li class="toctree-l3"><a class="reference internal" href="../others/ime_pinyin.html#api">API</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../others/obj_id.html">OBJ ID</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../others/obj_id.html#usage">Usage</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../others/obj_id.html#use-custom-id-generator">Use custom ID generator</a></li>
<li class="toctree-l4"><a class="reference internal" href="../others/obj_id.html#dump-obj-tree">Dump obj tree</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../API/index.html">API</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../API/lv_conf_internal.html">lv_conf_internal.h</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_conf_internal.html#_CPPv418lv_value_precise_t"><code class="docutils literal notranslate"><span class="pre">lv_value_precise_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../API/lv_conf_kconfig.html">lv_conf_kconfig.h</a></li>
<li class="toctree-l2"><a class="reference internal" href="../API/lvgl.html">lvgl.h</a></li>
<li class="toctree-l2"><a class="reference internal" href="../API/lv_init.html">lv_init.h</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_init.html#_CPPv47lv_initv"><code class="docutils literal notranslate"><span class="pre">lv_init()</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_init.html#_CPPv49lv_deinitv"><code class="docutils literal notranslate"><span class="pre">lv_deinit()</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_init.html#_CPPv417lv_is_initializedv"><code class="docutils literal notranslate"><span class="pre">lv_is_initialized()</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../API/lv_api_map.html">lv_api_map.h</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv48lv_res_t"><code class="docutils literal notranslate"><span class="pre">lv_res_t</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv412lv_img_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_img_dsc_t</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv49lv_disp_t"><code class="docutils literal notranslate"><span class="pre">lv_disp_t</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv418lv_disp_rotation_t"><code class="docutils literal notranslate"><span class="pre">lv_disp_rotation_t</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv416lv_disp_render_t"><code class="docutils literal notranslate"><span class="pre">lv_disp_render_t</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv415lv_task_handlerv"><code class="docutils literal notranslate"><span class="pre">lv_task_handler()</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv422lv_obj_move_foregroundP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_move_foreground()</span></code></a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/lv_api_map.html#_CPPv422lv_obj_move_backgroundP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_move_background()</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../API/display/index.html">display</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/display/lv_display.html">lv_display.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv412lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv421lv_display_flush_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_display_flush_cb_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv421lv_display_rotation_t"><code class="docutils literal notranslate"><span class="pre">lv_display_rotation_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv424lv_display_render_mode_t"><code class="docutils literal notranslate"><span class="pre">lv_display_render_mode_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv421lv_screen_load_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_screen_load_anim_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv417lv_display_create10lv_coord_t10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_display_create()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv417lv_display_removeP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_remove()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv422lv_display_set_defaultP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_default()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv422lv_display_get_defaultv"><code class="docutils literal notranslate"><span class="pre">lv_display_get_default()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv419lv_display_get_nextP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_next()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv425lv_display_set_resolutionP12lv_display_t10lv_coord_t10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_resolution()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv434lv_display_set_physical_resolutionP12lv_display_t10lv_coord_t10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_physical_resolution()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv421lv_display_set_offsetP12lv_display_t10lv_coord_t10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_offset()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv423lv_display_set_rotationP12lv_display_t21lv_display_rotation_tb"><code class="docutils literal notranslate"><span class="pre">lv_display_set_rotation()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv418lv_display_set_dpiP12lv_display_t10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_dpi()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv436lv_display_get_horizontal_resolutionPK12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_horizontal_resolution()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv434lv_display_get_vertical_resolutionPK12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_vertical_resolution()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv445lv_display_get_physical_horizontal_resolutionPK12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_physical_horizontal_resolution()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv443lv_display_get_physical_vertical_resolutionPK12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_physical_vertical_resolution()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv423lv_display_get_offset_xPK12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_offset_x()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv423lv_display_get_offset_yPK12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_offset_y()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv423lv_display_get_rotationP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_rotation()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv427lv_display_set_draw_buffersP12lv_display_tPvPv8uint32_t24lv_display_render_mode_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_draw_buffers()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv423lv_display_set_flush_cbP12lv_display_t21lv_display_flush_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_flush_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv427lv_display_set_color_formatP12lv_display_t17lv_color_format_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_color_format()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv427lv_display_get_color_formatP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_color_format()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv427lv_display_set_antialiasingP12lv_display_tb"><code class="docutils literal notranslate"><span class="pre">lv_display_set_antialiasing()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv427lv_display_get_antialiasingP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_antialiasing()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv429lv_display_is_double_bufferedP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_is_double_buffered()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv425lv_display_get_screen_actP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_screen_act()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv426lv_display_get_screen_prevP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_screen_prev()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv419lv_display_load_scrP9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_display_load_scr()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv424lv_display_get_layer_topP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_layer_top()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv424lv_display_get_layer_sysP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_layer_sys()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv427lv_display_get_layer_bottomP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_layer_bottom()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv419lv_screen_load_animP9_lv_obj_t21lv_screen_load_anim_t8uint32_t8uint32_tb"><code class="docutils literal notranslate"><span class="pre">lv_screen_load_anim()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv416lv_screen_activev"><code class="docutils literal notranslate"><span class="pre">lv_screen_active()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv412lv_layer_topv"><code class="docutils literal notranslate"><span class="pre">lv_layer_top()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv412lv_layer_sysv"><code class="docutils literal notranslate"><span class="pre">lv_layer_sys()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv415lv_layer_bottomv"><code class="docutils literal notranslate"><span class="pre">lv_layer_bottom()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv414lv_screen_loadP9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_screen_load()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv420lv_display_add_eventP12lv_display_t13lv_event_cb_t15lv_event_code_tPv"><code class="docutils literal notranslate"><span class="pre">lv_display_add_event()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv426lv_display_get_event_countP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_event_count()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv424lv_display_get_event_dscP12lv_display_t8uint32_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_event_dsc()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv423lv_display_remove_eventP12lv_display_t8uint32_t"><code class="docutils literal notranslate"><span class="pre">lv_display_remove_event()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv421lv_display_send_eventP12lv_display_t15lv_event_code_tPv"><code class="docutils literal notranslate"><span class="pre">lv_display_send_event()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv420lv_display_set_themeP12lv_display_tP11_lv_theme_t"><code class="docutils literal notranslate"><span class="pre">lv_display_set_theme()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv420lv_display_get_themeP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_theme()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv428lv_display_get_inactive_timePK12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_inactive_time()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv424lv_display_trig_activityP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_trig_activity()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv430lv_display_enable_invalidationP12lv_display_tb"><code class="docutils literal notranslate"><span class="pre">lv_display_enable_invalidation()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv434lv_display_is_invalidation_enabledP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_is_invalidation_enabled()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv426_lv_display_get_refr_timerP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">_lv_display_get_refr_timer()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv424lv_display_set_user_dataP12lv_display_tPv"><code class="docutils literal notranslate"><span class="pre">lv_display_set_user_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv426lv_display_set_driver_dataP12lv_display_tPv"><code class="docutils literal notranslate"><span class="pre">lv_display_set_driver_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv424lv_display_get_user_dataP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_user_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv426lv_display_get_driver_dataP12lv_display_t"><code class="docutils literal notranslate"><span class="pre">lv_display_get_driver_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv46lv_dpx10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_dpx()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/display/lv_display.html#_CPPv414lv_display_dpxPK12lv_display_t10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_display_dpx()</span></code></a></li>
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</li>
<li class="toctree-l2"><a class="reference internal" href="../API/osal/index.html">osal</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/osal/lv_os.html">lv_os.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv416lv_thread_prio_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_prio_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv414lv_thread_initP11lv_thread_t16lv_thread_prio_tPFvPvE6size_tPv"><code class="docutils literal notranslate"><span class="pre">lv_thread_init()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv417lv_mutex_lock_isrP10lv_mutex_t"><code class="docutils literal notranslate"><span class="pre">lv_mutex_lock_isr()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv415lv_mutex_unlockP10lv_mutex_t"><code class="docutils literal notranslate"><span class="pre">lv_mutex_unlock()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv415lv_mutex_deleteP10lv_mutex_t"><code class="docutils literal notranslate"><span class="pre">lv_mutex_delete()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv419lv_thread_sync_initP16lv_thread_sync_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_sync_init()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv419lv_thread_sync_waitP16lv_thread_sync_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_sync_wait()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv421lv_thread_sync_signalP16lv_thread_sync_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_sync_signal()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os.html#_CPPv421lv_thread_sync_deleteP16lv_thread_sync_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_sync_delete()</span></code></a></li>
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</li>
<li class="toctree-l3"><a class="reference internal" href="../API/osal/lv_freertos.html">lv_freertos.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_freertos.html#_CPPv411lv_thread_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_freertos.html#_CPPv410lv_mutex_t"><code class="docutils literal notranslate"><span class="pre">lv_mutex_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_freertos.html#_CPPv416lv_thread_sync_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_sync_t</span></code></a></li>
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</li>
<li class="toctree-l3"><a class="reference internal" href="../API/osal/lv_pthread.html">lv_pthread.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_pthread.html#_CPPv410lv_mutex_t"><code class="docutils literal notranslate"><span class="pre">lv_mutex_t</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_pthread.html#_CPPv416lv_thread_sync_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_sync_t</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../API/osal/lv_os_none.html">lv_os_none.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_os_none.html#_CPPv410lv_mutex_t"><code class="docutils literal notranslate"><span class="pre">lv_mutex_t</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../API/osal/lv_cmsis_rtos2.html">lv_cmsis_rtos2.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/osal/lv_cmsis_rtos2.html#_CPPv411lv_thread_t"><code class="docutils literal notranslate"><span class="pre">lv_thread_t</span></code></a></li>
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<li class="toctree-l2"><a class="reference internal" href="../API/indev/index.html">indev</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/indev/lv_indev.html">lv_indev.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv410lv_indev_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_t</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv422lv_indev_read_timer_cbP10lv_timer_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_read_timer_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv415lv_indev_enableP10lv_indev_tb"><code class="docutils literal notranslate"><span class="pre">lv_indev_enable()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv416lv_indev_get_actv"><code class="docutils literal notranslate"><span class="pre">lv_indev_get_act()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv417lv_indev_set_typeP10lv_indev_t15lv_indev_type_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_set_type()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv420lv_indev_set_read_cbP10lv_indev_t18lv_indev_read_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_set_read_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv422lv_indev_set_user_dataP10lv_indev_tPv"><code class="docutils literal notranslate"><span class="pre">lv_indev_set_user_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv424lv_indev_set_driver_dataP10lv_indev_tPv"><code class="docutils literal notranslate"><span class="pre">lv_indev_set_driver_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv417lv_indev_get_typePK10lv_indev_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_get_type()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv418lv_indev_get_statePK10lv_indev_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_get_state()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv417lv_indev_get_dispPK10lv_indev_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_get_disp()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv424lv_indev_get_driver_dataPK10lv_indev_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_get_driver_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv414lv_indev_resetP10lv_indev_tP9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_reset()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv425lv_indev_reset_long_pressP10lv_indev_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_reset_long_press()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv419lv_indev_set_cursorP10lv_indev_tP9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_set_cursor()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv418lv_indev_set_groupP10lv_indev_tP10lv_group_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_set_group()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/indev/lv_indev.html#_CPPv426lv_indev_set_button_pointsP10lv_indev_tA_K10lv_point_t"><code class="docutils literal notranslate"><span class="pre">lv_indev_set_button_points()</span></code></a></li>
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<li class="toctree-l2"><a class="reference internal" href="../API/layouts/index.html">layouts</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../API/misc/index.html">misc</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_types.html">lv_types.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_types.html#_CPPv411lv_result_t"><code class="docutils literal notranslate"><span class="pre">lv_result_t</span></code></a></li>
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</li>
<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_area.html">lv_area.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_area.html#_CPPv410lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_coord_t</span></code></a></li>
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</li>
<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_cache_builtin.html">lv_cache_builtin.h</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_ll.html">lv_ll.h</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv419lv_anim_set_path_cbP9lv_anim_t17lv_anim_path_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_path_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv420lv_anim_set_start_cbP9lv_anim_t18lv_anim_start_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_start_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv424lv_anim_set_get_value_cbP9lv_anim_t22lv_anim_get_value_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_get_value_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv420lv_anim_set_ready_cbP9lv_anim_t18lv_anim_ready_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_ready_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv422lv_anim_set_deleted_cbP9lv_anim_t20lv_anim_deleted_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_deleted_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv425lv_anim_set_playback_timeP9lv_anim_t8uint32_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_playback_time()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv426lv_anim_set_playback_delayP9lv_anim_t8uint32_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_playback_delay()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv424lv_anim_set_repeat_countP9lv_anim_t8uint16_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_repeat_count()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv423lv_anim_set_early_applyP9lv_anim_tb"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_early_apply()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv425lv_anim_set_bezier3_paramP9lv_anim_t7int16_t7int16_t7int16_t7int16_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_set_bezier3_param()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv420lv_anim_get_playtimeP9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_get_playtime()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv416lv_anim_get_timeP9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_get_time()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv424lv_anim_get_repeat_countP9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_get_repeat_count()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv421lv_anim_get_user_dataP9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_get_user_data()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv414lv_anim_deletePv18lv_anim_exec_xcb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_delete()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv418lv_anim_delete_allv"><code class="docutils literal notranslate"><span class="pre">lv_anim_delete_all()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv411lv_anim_getPv18lv_anim_exec_xcb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_get()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv417lv_anim_get_timerv"><code class="docutils literal notranslate"><span class="pre">lv_anim_get_timer()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv421lv_anim_custom_deleteP9lv_anim_t24lv_anim_custom_exec_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_custom_delete()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv418lv_anim_custom_getP9lv_anim_t24lv_anim_custom_exec_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_custom_get()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv421lv_anim_count_runningv"><code class="docutils literal notranslate"><span class="pre">lv_anim_count_running()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv421lv_anim_speed_to_time8uint32_t7int32_t7int32_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_speed_to_time()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv416lv_anim_refr_nowv"><code class="docutils literal notranslate"><span class="pre">lv_anim_refr_now()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv419lv_anim_path_linearPK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_linear()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv420lv_anim_path_ease_inPK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_ease_in()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv421lv_anim_path_ease_outPK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_ease_out()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv424lv_anim_path_ease_in_outPK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_ease_in_out()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv422lv_anim_path_overshootPK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_overshoot()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv419lv_anim_path_bouncePK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_bounce()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv417lv_anim_path_stepPK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_step()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv427lv_anim_path_custom_bezier3PK9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_path_custom_bezier3()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv415lv_anim_state_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_state_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv423_lv_anim_bezier3_para_t"><code class="docutils literal notranslate"><span class="pre">_lv_anim_bezier3_para_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim.html#_CPPv410_lv_anim_t"><code class="docutils literal notranslate"><span class="pre">_lv_anim_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_anim_timeline.html">lv_anim_timeline.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv423lv_anim_timeline_createv"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_create()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv423lv_anim_timeline_deleteP18lv_anim_timeline_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_delete()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv420lv_anim_timeline_addP18lv_anim_timeline_t8uint32_tP9lv_anim_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_add()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv422lv_anim_timeline_startP18lv_anim_timeline_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_start()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv421lv_anim_timeline_stopP18lv_anim_timeline_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_stop()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv428lv_anim_timeline_set_reverseP18lv_anim_timeline_tb"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_set_reverse()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv429lv_anim_timeline_set_progressP18lv_anim_timeline_t8uint16_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_set_progress()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv429lv_anim_timeline_get_playtimeP18lv_anim_timeline_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_get_playtime()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv428lv_anim_timeline_get_reverseP18lv_anim_timeline_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_get_reverse()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_anim_timeline.html#_CPPv418lv_anim_timeline_t"><code class="docutils literal notranslate"><span class="pre">lv_anim_timeline_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_lru.html">lv_lru.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_lru.html#_CPPv416lv_lru_free_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_lru_free_cb_t</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_lru.html#_CPPv412lv_lru_res_t"><code class="docutils literal notranslate"><span class="pre">lv_lru_res_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_lru.html#_CPPv413lv_lru_create6size_t6size_t16lv_lru_free_cb_t16lv_lru_free_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_lru_create()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_lru.html#_CPPv48lv_lru_t"><code class="docutils literal notranslate"><span class="pre">lv_lru_t</span></code></a></li>
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</li>
<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_assert.html">lv_assert.h</a></li>
<li class="toctree-l3"><a class="reference internal" href="../API/misc/lv_math.html">lv_math.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_math.html#_CPPv415lv_cubic_bezier7int32_t7int32_t7int32_t7int32_t7int32_t"><code class="docutils literal notranslate"><span class="pre">lv_cubic_bezier()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_math.html#_CPPv410lv_bezier37int32_t7int32_t8uint32_t7int32_t7int32_t"><code class="docutils literal notranslate"><span class="pre">lv_bezier3()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_math.html#_CPPv48lv_atan2ii"><code class="docutils literal notranslate"><span class="pre">lv_atan2()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/misc/lv_math.html#_CPPv413lv_sqrt_res_t"><code class="docutils literal notranslate"><span class="pre">lv_sqrt_res_t</span></code></a></li>
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</li>
<li class="toctree-l2"><a class="reference internal" href="../API/tick/index.html">tick</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/tick/lv_tick.html">lv_tick.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/tick/lv_tick.html#_CPPv416lv_tick_get_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_tick_get_cb_t</span></code></a></li>
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</li>
<li class="toctree-l2"><a class="reference internal" href="../API/core/index.html">core</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/core/lv_obj.html">lv_obj.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj.html#_CPPv410lv_state_t"><code class="docutils literal notranslate"><span class="pre">lv_state_t</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj.html#_CPPv416lv_obj_set_stateP8lv_obj_t10lv_state_tb"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_state()</span></code></a></li>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/core/lv_group.html">lv_group.h</a><ul>
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</li>
<li class="toctree-l3"><a class="reference internal" href="../API/core/lv_obj_style_gen.html">lv_obj_style_gen.h</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv430lv_obj_set_style_bg_grad_colorP9_lv_obj_t10lv_color_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_bg_grad_color()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv429lv_obj_set_style_bg_image_srcP9_lv_obj_tPKv19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_bg_image_src()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv429lv_obj_set_style_bg_image_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_bg_image_opa()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv433lv_obj_set_style_bg_image_recolorP9_lv_obj_t10lv_color_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_bg_image_recolor()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv437lv_obj_set_style_bg_image_recolor_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_bg_image_recolor_opa()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv431lv_obj_set_style_bg_image_tiledP9_lv_obj_tb19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_bg_image_tiled()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv429lv_obj_set_style_border_colorP9_lv_obj_t10lv_color_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_border_color()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv429lv_obj_set_style_border_widthP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_border_width()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv428lv_obj_set_style_border_sideP9_lv_obj_t16lv_border_side_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_border_side()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv428lv_obj_set_style_border_postP9_lv_obj_tb19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_border_post()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv430lv_obj_set_style_outline_widthP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_outline_width()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv430lv_obj_set_style_outline_colorP9_lv_obj_t10lv_color_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_outline_color()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv428lv_obj_set_style_outline_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_outline_opa()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv428lv_obj_set_style_outline_padP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_outline_pad()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv429lv_obj_set_style_shadow_widthP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_shadow_width()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv429lv_obj_set_style_shadow_ofs_xP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_shadow_ofs_x()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv429lv_obj_set_style_shadow_ofs_yP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_shadow_ofs_y()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv427lv_obj_set_style_shadow_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_shadow_opa()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv426lv_obj_set_style_image_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_image_opa()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv430lv_obj_set_style_image_recolorP9_lv_obj_t10lv_color_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_image_recolor()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv427lv_obj_set_style_line_widthP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_line_width()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv432lv_obj_set_style_line_dash_widthP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_line_dash_width()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv425lv_obj_set_style_line_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_line_opa()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv426lv_obj_set_style_arc_widthP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_arc_width()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv428lv_obj_set_style_arc_roundedP9_lv_obj_tb19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_arc_rounded()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv426lv_obj_set_style_arc_colorP9_lv_obj_t10lv_color_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_arc_color()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv424lv_obj_set_style_arc_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_arc_opa()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv430lv_obj_set_style_arc_image_srcP9_lv_obj_tPKv19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_arc_image_src()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv427lv_obj_set_style_text_colorP9_lv_obj_t10lv_color_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_text_color()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv425lv_obj_set_style_text_opaP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_text_opa()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv434lv_obj_set_style_text_letter_spaceP9_lv_obj_t10lv_coord_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_text_letter_space()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv428lv_obj_set_style_opa_layeredP9_lv_obj_t8lv_opa_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_opa_layered()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv433lv_obj_set_style_color_filter_dscP9_lv_obj_tPK21lv_color_filter_dsc_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_color_filter_dsc()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv425lv_obj_set_style_base_dirP9_lv_obj_t13lv_base_dir_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_base_dir()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv426lv_obj_set_style_flex_flowP9_lv_obj_t14lv_flex_flow_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_flex_flow()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv432lv_obj_set_style_flex_main_placeP9_lv_obj_t15lv_flex_align_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_flex_main_place()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv433lv_obj_set_style_flex_track_placeP9_lv_obj_t15lv_flex_align_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_flex_track_place()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_style_gen.html#_CPPv434lv_obj_set_style_grid_cell_x_alignP9_lv_obj_t15lv_grid_align_t19lv_style_selector_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_set_style_grid_cell_x_align()</span></code></a></li>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/core/lv_obj_draw.html">lv_obj_draw.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_draw.html#_CPPv415lv_layer_type_t"><code class="docutils literal notranslate"><span class="pre">lv_layer_type_t</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_draw.html#_CPPv424lv_obj_init_draw_arc_dscP9_lv_obj_t8uint32_tP17lv_draw_arc_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_init_draw_arc_dsc()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_draw.html#_CPPv430lv_obj_calculate_ext_draw_sizeP9_lv_obj_t8uint32_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_calculate_ext_draw_size()</span></code></a></li>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/core/lv_obj_tree.html">lv_obj_tree.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_tree.html#_CPPv421lv_obj_tree_walk_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_tree_walk_cb_t</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_tree.html#_CPPv413lv_obj_deleteP9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_delete()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_tree.html#_CPPv420lv_obj_move_to_indexP9_lv_obj_t7int32_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_move_to_index()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_tree.html#_CPPv417lv_obj_get_screenPK9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_get_screen()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_tree.html#_CPPv415lv_obj_get_dispPK9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_get_disp()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_tree.html#_CPPv417lv_obj_get_parentPK9_lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_get_parent()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_tree.html#_CPPv416lv_obj_get_childPK9_lv_obj_t7int32_t"><code class="docutils literal notranslate"><span class="pre">lv_obj_get_child()</span></code></a></li>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/core/lv_obj_event.html">lv_obj_event.h</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_event.html#_CPPv416lv_obj_add_eventP9_lv_obj_t13lv_event_cb_t15lv_event_code_tPv"><code class="docutils literal notranslate"><span class="pre">lv_obj_add_event()</span></code></a></li>
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<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_event.html#_CPPv426lv_event_set_ext_draw_sizeP10lv_event_t10lv_coord_t"><code class="docutils literal notranslate"><span class="pre">lv_event_set_ext_draw_size()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/core/lv_obj_event.html#_CPPv427lv_event_get_self_size_infoP10lv_event_t"><code class="docutils literal notranslate"><span class="pre">lv_event_get_self_size_info()</span></code></a></li>
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<li class="toctree-l3"><a class="reference internal" href="../API/core/lv_global.html">lv_global.h</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../API/widgets/msgbox/index.html">msgbox</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/msgbox/lv_msgbox.html">lv_msgbox.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/table/index.html">table</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/table/lv_table.html">lv_table.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/scale/index.html">scale</a><ul>
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</ul>
</li>
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</ul>
</li>
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</ul>
</li>
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</ul>
</li>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/line/index.html">line</a><ul>
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</ul>
</li>
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</ul>
</li>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/spinner/index.html">spinner</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/spinner/lv_spinner.html">lv_spinner.h</a></li>
</ul>
</li>
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<li class="toctree-l4"><a class="reference internal" href="../API/widgets/span/lv_span.html">lv_span.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/objx_templ/index.html">objx_templ</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/objx_templ/lv_objx_templ.html">lv_objx_templ.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/animimage/index.html">animimage</a><ul>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/calendar/index.html">calendar</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/calendar/lv_calendar_header_dropdown.html">lv_calendar_header_dropdown.h</a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/calendar/lv_calendar_header_arrow.html">lv_calendar_header_arrow.h</a></li>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/slider/index.html">slider</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/slider/lv_slider.html">lv_slider.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/dropdown/index.html">dropdown</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/dropdown/lv_dropdown.html">lv_dropdown.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/tabview/index.html">tabview</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/tabview/lv_tabview.html">lv_tabview.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/label/index.html">label</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/label/lv_label.html">lv_label.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/image/index.html">image</a><ul>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/keyboard/index.html">keyboard</a><ul>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/checkbox/index.html">checkbox</a><ul>
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</ul>
</li>
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</ul>
</li>
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<li class="toctree-l4"><a class="reference internal" href="../API/widgets/tileview/lv_tileview.html">lv_tileview.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/button/index.html">button</a><ul>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/list/index.html">list</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/list/lv_list.html">lv_list.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/imgbtn/index.html">imgbtn</a><ul>
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</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/switch/index.html">switch</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/switch/lv_switch.html">lv_switch.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/led/index.html">led</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/led/lv_led.html">lv_led.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/canvas/index.html">canvas</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/canvas/lv_canvas.html">lv_canvas.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/widgets/textarea/index.html">textarea</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/widgets/textarea/lv_textarea.html">lv_textarea.h</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../API/draw/index.html">draw</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/draw/lv_image_buf.html">lv_image_buf.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_buf.html#_CPPv424lv_image_buf_set_paletteP14lv_image_dsc_t7uint8_t12lv_color32_t"><code class="docutils literal notranslate"><span class="pre">lv_image_buf_set_palette()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_buf.html#_CPPv417lv_image_buf_freeP14lv_image_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_image_buf_free()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_buf.html#_CPPv434_lv_image_buf_get_transformed_areaP9lv_area_t10lv_coord_t10lv_coord_t10lv_coord_t8uint16_t8uint16_tPK10lv_point_t"><code class="docutils literal notranslate"><span class="pre">_lv_image_buf_get_transformed_area()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_buf.html#_CPPv417lv_image_header_t"><code class="docutils literal notranslate"><span class="pre">lv_image_header_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_buf.html#_CPPv414lv_image_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_image_dsc_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/draw/lv_image_decoder.html">lv_image_decoder.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv414lv_image_src_t"><code class="docutils literal notranslate"><span class="pre">lv_image_src_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv425lv_image_decoder_info_f_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_info_f_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv425lv_image_decoder_open_f_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_open_f_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv430lv_image_decoder_get_area_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_get_area_cb_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv426lv_image_decoder_close_f_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_close_f_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv418lv_image_decoder_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv422lv_image_decoder_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_dsc_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv415_lv_image_src_t"><code class="docutils literal notranslate"><span class="pre">_lv_image_src_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv422_lv_image_decoder_initv"><code class="docutils literal notranslate"><span class="pre">_lv_image_decoder_init()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv425lv_image_decoder_get_infoPKvP17lv_image_header_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_get_info()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv421lv_image_decoder_openP22lv_image_decoder_dsc_tPKv10lv_color_t7int32_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_open()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv425lv_image_decoder_get_areaP22lv_image_decoder_dsc_tPK9lv_area_tP9lv_area_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_get_area()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv422lv_image_decoder_closeP22lv_image_decoder_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_close()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv423lv_image_decoder_createv"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_create()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv423lv_image_decoder_deleteP18lv_image_decoder_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_delete()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv425lv_image_decoder_get_nextP18lv_image_decoder_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_get_next()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv428lv_image_decoder_set_info_cbP18lv_image_decoder_t25lv_image_decoder_info_f_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_set_info_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv428lv_image_decoder_set_open_cbP18lv_image_decoder_t25lv_image_decoder_open_f_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_set_open_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv432lv_image_decoder_set_get_area_cbP18lv_image_decoder_t30lv_image_decoder_get_area_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_set_get_area_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv429lv_image_decoder_set_close_cbP18lv_image_decoder_t26lv_image_decoder_close_f_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_set_close_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv430lv_image_decoder_built_in_infoP18lv_image_decoder_tPKvP17lv_image_header_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_built_in_info()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv434lv_image_decoder_built_in_get_areaP18lv_image_decoder_tP22lv_image_decoder_dsc_tPK9lv_area_tP9lv_area_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_built_in_get_area()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv430lv_image_decoder_built_in_openP18lv_image_decoder_tP22lv_image_decoder_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_built_in_open()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv431lv_image_decoder_built_in_closeP18lv_image_decoder_tP22lv_image_decoder_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_image_decoder_built_in_close()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv419_lv_image_decoder_t"><code class="docutils literal notranslate"><span class="pre">_lv_image_decoder_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv423_lv_image_decoder_dsc_t"><code class="docutils literal notranslate"><span class="pre">_lv_image_decoder_dsc_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/draw/lv_draw_label.html">lv_draw_label.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv420lv_draw_label_hint_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_label_hint_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv419lv_draw_letter_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_letter_cb_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv430lv_draw_letter_bitmap_format_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_letter_bitmap_format_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv429lv_draw_label_iterate_lettersP14lv_draw_unit_tPK19lv_draw_label_dsc_tPK9lv_area_t19lv_draw_letter_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_label_iterate_letters()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv422lv_draw_label_dsc_initP19lv_draw_label_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_label_dsc_init()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv423lv_draw_letter_dsc_initP19lv_draw_glyph_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_letter_dsc_init()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv413lv_draw_labelP10lv_layer_tPK19lv_draw_label_dsc_tPK9lv_area_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_label()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv414lv_draw_letterP10lv_layer_tP19lv_draw_label_dsc_tPK10lv_point_t8uint32_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_letter()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv421_lv_draw_label_hint_t"><code class="docutils literal notranslate"><span class="pre">_lv_draw_label_hint_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv419lv_draw_label_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_label_dsc_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_label.html#_CPPv419lv_draw_glyph_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_glyph_dsc_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/draw/lv_draw_mask.html">lv_draw_mask.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_mask.html#_CPPv426lv_draw_mask_rect_dsc_initP23lv_draw_mask_rect_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_mask_rect_dsc_init()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_mask.html#_CPPv417lv_draw_mask_rectP11_lv_layer_tPK23lv_draw_mask_rect_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_mask_rect()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_mask.html#_CPPv423lv_draw_mask_rect_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_mask_rect_dsc_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/draw/lv_draw_image.html">lv_draw_image.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_image.html#_CPPv419lv_draw_image_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_image_dsc_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_image.html#_CPPv422lv_draw_image_dsc_initP19lv_draw_image_dsc_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_image_dsc_init()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_image.html#_CPPv413lv_draw_imageP11_lv_layer_tPK19lv_draw_image_dsc_tPK9lv_area_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_image()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_image.html#_CPPv413lv_draw_layerP11_lv_layer_tPK19lv_draw_image_dsc_tPK9lv_area_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_layer()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_image.html#_CPPv421lv_image_src_get_typePKv"><code class="docutils literal notranslate"><span class="pre">lv_image_src_get_type()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_image.html#_CPPv419lv_draw_image_sup_t"><code class="docutils literal notranslate"><span class="pre">lv_draw_image_sup_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/draw/lv_draw_image.html#_CPPv420_lv_draw_image_dsc_t"><code class="docutils literal notranslate"><span class="pre">_lv_draw_image_dsc_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/draw/lv_draw_rect.html">lv_draw_rect.h</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../API/draw/lv_draw.html">lv_draw.h</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../API/stdlib/index.html">stdlib</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="../API/stdlib/lv_sprintf.html">lv_sprintf.h</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../API/stdlib/lv_sprintf.html#_CPPv412lv_vsnprintfPc6size_tPKc7va_list"><code class="docutils literal notranslate"><span class="pre">lv_vsnprintf()</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/stdlib/builtin/index.html">builtin</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/stdlib/builtin/lv_tlsf.html">lv_tlsf.h</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../API/themes/index.html">themes</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../API/themes/lv_theme.html">lv_theme.h</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv419lv_theme_apply_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_apply_cb_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv410lv_theme_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_t</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv421lv_theme_get_from_objP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_get_from_obj()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv414lv_theme_applyP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_apply()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv419lv_theme_set_parentP10lv_theme_tP10lv_theme_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_set_parent()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv421lv_theme_set_apply_cbP10lv_theme_t19lv_theme_apply_cb_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_set_apply_cb()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv423lv_theme_get_font_smallP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_get_font_small()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv424lv_theme_get_font_normalP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_get_font_normal()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv423lv_theme_get_font_largeP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_get_font_large()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv426lv_theme_get_color_primaryP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_get_color_primary()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv428lv_theme_get_color_secondaryP8lv_obj_t"><code class="docutils literal notranslate"><span class="pre">lv_theme_get_color_secondary()</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/lv_theme.html#_CPPv411_lv_theme_t"><code class="docutils literal notranslate"><span class="pre">_lv_theme_t</span></code></a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/themes/default/index.html">default</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/default/lv_theme_default.html">lv_theme_default.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/themes/mono/index.html">mono</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/mono/lv_theme_mono.html">lv_theme_mono.h</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../API/themes/basic/index.html">basic</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/themes/basic/lv_theme_basic.html">lv_theme_basic.h</a></li>
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</ul>
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<li class="toctree-l3"><a class="reference internal" href="../API/dev/nuttx/index.html">nuttx</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../API/dev/nuttx/lv_nuttx_libuv.html">lv_nuttx_libuv.h</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../API/dev/sdl/index.html">sdl</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="../API/others/snapshot/lv_snapshot.html">lv_snapshot.h</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../API/others/fragment/index.html">fragment</a><ul>
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</ul>
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</ul>
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<li class="toctree-l1"><a class="reference internal" href="../CODING_STYLE.html">Coding style</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../CODING_STYLE.html#testing-hooks">Testing hooks</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../CHANGELOG.html">Changelog</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-7-3-may-2023">v8.3.7 3 May 2023</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-6-3-april-2023">v8.3.6 3 April 2023</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-5-7-february-2023">v8.3.5 7 February 2023</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#id9">Performance</a></li>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#id10">Fixes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-4-15-december-2022">v8.3.4 15 December 2022</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#id15">New Features</a></li>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#fixes-1">Fixes</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-3-06-october-2022">v8.3.3 06 October 2022</a></li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-2-27-september-2022">v8.3.2 27 September 2022</a><ul>
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</ul>
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<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-1-25-july-2022">v8.3.1 25 July 2022</a><ul>
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</li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-3-0-6-july-2022">v8.3.0 6 July 2022</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#overview">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#new-features-1">New Features</a></li>
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</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-2-0-31-january-2022">v8.2.0 31 January 2022</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#overview-1">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#breaking-changes">Breaking Changes</a></li>
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</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-1-0-10-november-2021">v8.1.0 10 November 2021</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#overview-2">Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#breaking-changes-1">Breaking Changes</a></li>
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</li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-0-2-16-07-2021">v8.0.2 (16.07.2021)</a></li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-0-1-14-06-2021">v8.0.1 (14.06.2021)</a></li>
<li class="toctree-l2"><a class="reference internal" href="../CHANGELOG.html#v8-0-0-01-06-2021">v8.0.0 (01.06.2021)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../CHANGELOG.html#directory-structure">Directory structure</a></li>
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<section id="images">
<h1>Images<a class="headerlink" href="#images" title="Link to this heading"></a></h1>
<p>An image can be a file or a variable which stores the bitmap itself and
some metadata.</p>
<section id="store-images">
<h2>Store images<a class="headerlink" href="#store-images" title="Link to this heading"></a></h2>
<p>You can store images in two places</p>
<ul class="simple">
<li><p>as a variable in internal memory (RAM or ROM)</p></li>
<li><p>as a file</p></li>
</ul>
<section id="variables">
<h3>Variables<a class="headerlink" href="#variables" title="Link to this heading"></a></h3>
<p>Images stored internally in a variable are composed mainly of an
<a class="reference internal" href="../API/draw/lv_image_buf.html#_CPPv414lv_image_dsc_t" title="lv_image_dsc_t"><code class="xref cpp cpp-struct docutils literal notranslate"><span class="pre">lv_image_dsc_t</span></code></a> structure with the following fields:</p>
<ul class="simple">
<li><p><strong>header</strong>:</p>
<ul>
<li><p><em>cf</em>: Color format. See <a class="reference external" href="#color-format">below</a></p></li>
<li><p><em>w</em>: width in pixels (&lt;= 2048)</p></li>
<li><p><em>h</em>: height in pixels (&lt;= 2048)</p></li>
<li><p><em>always zero</em>: 3 bits which need to be always zero</p></li>
<li><p><em>reserved</em>: reserved for future use</p></li>
</ul>
</li>
<li><p><strong>data</strong>: pointer to an array where the image itself is stored</p></li>
<li><p><strong>data_size</strong>: length of <code class="docutils literal notranslate"><span class="pre">data</span></code> in bytes</p></li>
</ul>
<p>These are usually stored within a project as C files. They are linked
into the resulting executable like any other constant data.</p>
</section>
<section id="files">
<h3>Files<a class="headerlink" href="#files" title="Link to this heading"></a></h3>
<p>To deal with files you need to add a storage <em>Drive</em> to LVGL. In short,
a <em>Drive</em> is a collection of functions (<em>open</em>, <em>read</em>, <em>close</em>, etc.)
registered in LVGL to make file operations. You can add an interface to
a standard file system (FAT32 on SD card) or you create your simple file
system to read data from an SPI Flash memory. In every case, a <em>Drive</em>
is just an abstraction to read and/or write data to memory. See the
<a class="reference external" href="/overview/file-system">File system</a> section to learn more.</p>
<p>Images stored as files are not linked into the resulting executable, and
must be read into RAM before being drawn. As a result, they are not as
resource-friendly as images linked at compile time. However, they are
easier to replace without needing to rebuild the main program.</p>
</section>
</section>
<section id="color-formats">
<h2>Color formats<a class="headerlink" href="#color-formats" title="Link to this heading"></a></h2>
<p>Various built-in color formats are supported:</p>
<ul class="simple">
<li><p><a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t22LV_COLOR_FORMAT_NATIVEE" title="LV_COLOR_FORMAT_NATIVE"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_NATIVE</span></code></a>: Simply stores the RGB colors (in whatever color depth LVGL is configured for).</p></li>
<li><p><a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t33LV_COLOR_FORMAT_NATIVE_WITH_ALPHAE" title="LV_COLOR_FORMAT_NATIVE_WITH_ALPHA"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_NATIVE_WITH_ALPHA</span></code></a>: Like <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t22LV_COLOR_FORMAT_NATIVEE" title="LV_COLOR_FORMAT_NATIVE"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_NATIVE</span></code></a> but it also adds an alpha (transparency) byte for every pixel.</p></li>
<li><p><a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_I1E" title="LV_COLOR_FORMAT_I1"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I1</span></code></a>, <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_I2E" title="LV_COLOR_FORMAT_I2"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I2</span></code></a>, <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_I4E" title="LV_COLOR_FORMAT_I4"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I4</span></code></a>, <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_I8E" title="LV_COLOR_FORMAT_I8"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I8</span></code></a>:
Uses a palette with 2, 4, 16 or 256 colors and stores each pixel in 1, 2, 4 or 8 bits.</p></li>
<li><p><a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_A1E" title="LV_COLOR_FORMAT_A1"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_A1</span></code></a>, <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_A2E" title="LV_COLOR_FORMAT_A2"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_A2</span></code></a>, <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_A4E" title="LV_COLOR_FORMAT_A4"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_A4</span></code></a>, <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t18LV_COLOR_FORMAT_A8E" title="LV_COLOR_FORMAT_A8"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_A8</span></code></a>:
<strong>Only stores the Alpha value with 1, 2, 4 or 8 bits.</strong> The pixels take the color of <code class="docutils literal notranslate"><span class="pre">style.img_recolor</span></code> and
the set opacity. The source image has to be an alpha channel. This is
ideal for bitmaps similar to fonts where the whole image is one color
that can be altered.</p></li>
</ul>
<p>The bytes of <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t22LV_COLOR_FORMAT_NATIVEE" title="LV_COLOR_FORMAT_NATIVE"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_NATIVE</span></code></a> images are stored in the following order.</p>
<ul class="simple">
<li><dl class="simple">
<dt>32-bit color depth:</dt><dd><ul>
<li><p><strong>Byte 0</strong>: Blue</p></li>
<li><p><strong>Byte 1</strong>: Green</p></li>
<li><p><strong>Byte 2</strong>: Red</p></li>
<li><p><strong>Byte 3</strong>: Alpha (only with <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t33LV_COLOR_FORMAT_NATIVE_WITH_ALPHAE" title="LV_COLOR_FORMAT_NATIVE_WITH_ALPHA"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_NATIVE_WITH_ALPHA</span></code></a>)</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>16-bit color depth:</dt><dd><ul>
<li><p><strong>Byte 0</strong>: Green 3 lower bit, Blue 5 bit</p></li>
<li><p><strong>Byte 1</strong>: Red 5 bit, Green 3 higher bit</p></li>
<li><p><strong>Byte 2</strong>: Alpha byte (only with <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t33LV_COLOR_FORMAT_NATIVE_WITH_ALPHAE" title="LV_COLOR_FORMAT_NATIVE_WITH_ALPHA"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_NATIVE_WITH_ALPHA</span></code></a>)</p></li>
</ul>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>8-bit color depth:</dt><dd><ul>
<li><p><strong>Byte 0</strong>: Red 3 bit, Green 3 bit, Blue 2 bit</p></li>
<li><p><strong>Byte 2</strong>: Alpha byte (only with <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t33LV_COLOR_FORMAT_NATIVE_WITH_ALPHAE" title="LV_COLOR_FORMAT_NATIVE_WITH_ALPHA"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_NATIVE_WITH_ALPHA</span></code></a>)</p></li>
</ul>
</dd>
</dl>
</li>
</ul>
<p>You can store images in a <em>Raw</em> format to indicate that it's not encoded
with one of the built-in color formats and an external <a class="reference external" href="#image-decoder">Image decoder</a>
needs to be used to decode the image.</p>
<ul class="simple">
<li><p><a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t19LV_COLOR_FORMAT_RAWE" title="LV_COLOR_FORMAT_RAW"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_RAW</span></code></a>: Indicates a basic raw image (e.g. a PNG or JPG image).</p></li>
<li><p><a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t25LV_COLOR_FORMAT_RAW_ALPHAE" title="LV_COLOR_FORMAT_RAW_ALPHA"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_RAW_ALPHA</span></code></a>: Indicates that an image has alpha and an alpha byte is added for every pixel.</p></li>
</ul>
</section>
<section id="add-and-use-images">
<h2>Add and use images<a class="headerlink" href="#add-and-use-images" title="Link to this heading"></a></h2>
<p>You can add images to LVGL in two ways:</p>
<ul class="simple">
<li><p>using the online converter</p></li>
<li><p>manually create images</p></li>
</ul>
<section id="online-converter">
<h3>Online converter<a class="headerlink" href="#online-converter" title="Link to this heading"></a></h3>
<p>The online Image converter is available here:
<a class="reference external" href="https://lvgl.io/tools/imageconverter">https://lvgl.io/tools/imageconverter</a></p>
<p>Adding an image to LVGL via the online converter is easy.</p>
<ol class="arabic simple">
<li><p>You need to select a <em>BMP</em>, <em>PNG</em> or <em>JPG</em> image first.</p></li>
<li><p>Give the image a name that will be used within LVGL.</p></li>
<li><p>Select the <a class="reference external" href="#color-formats">Color format</a>.</p></li>
<li><p>Select the type of image you want. Choosing a binary will generate a
<code class="docutils literal notranslate"><span class="pre">.bin</span></code> file that must be stored separately and read using the <a class="reference external" href="#files">file support</a>.
Choosing a variable will generate a standard C file that can be linked into your project.</p></li>
<li><p>Hit the <em>Convert</em> button. Once the conversion is finished, your
browser will automatically download the resulting file.</p></li>
</ol>
<p>In the generated C arrays (variables), bitmaps for all the color depths
(1, 8, 16 or 32) are included in the C file, but only the color depth
that matches <a class="reference internal" href="../API/lv_conf_internal.html#c.LV_COLOR_DEPTH" title="LV_COLOR_DEPTH"><code class="xref c c-macro docutils literal notranslate"><span class="pre">LV_COLOR_DEPTH</span></code></a> in <em>lv_conf.h</em> will actually be linked
into the resulting executable.</p>
<p>In the case of binary files, you need to specify the color format you
want:</p>
<ul class="simple">
<li><p>RGB332 for 8-bit color depth</p></li>
<li><p>RGB565 for 16-bit color depth</p></li>
<li><p>RGB565 Swap for 16-bit color depth (two bytes are swapped)</p></li>
<li><p>RGB888 for 32-bit color depth</p></li>
</ul>
</section>
<section id="manually-create-an-image">
<h3>Manually create an image<a class="headerlink" href="#manually-create-an-image" title="Link to this heading"></a></h3>
<p>If you are generating an image at run-time, you can craft an image
variable to display it using LVGL. For example:</p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="kt">uint8_t</span><span class="w"> </span><span class="n">my_img_data</span><span class="p">[]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mh">0x00</span><span class="p">,</span><span class="w"> </span><span class="mh">0x01</span><span class="p">,</span><span class="w"> </span><span class="mh">0x02</span><span class="p">,</span><span class="w"> </span><span class="p">...};</span>
<span class="k">static</span><span class="w"> </span><span class="n">lv_image_dsc_t</span><span class="w"> </span><span class="n">my_img_dsc</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="p">.</span><span class="n">header</span><span class="p">.</span><span class="n">always_zero</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
<span class="w"> </span><span class="p">.</span><span class="n">header</span><span class="p">.</span><span class="n">w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">80</span><span class="p">,</span>
<span class="w"> </span><span class="p">.</span><span class="n">header</span><span class="p">.</span><span class="n">h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">60</span><span class="p">,</span>
<span class="w"> </span><span class="p">.</span><span class="n">data_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">80</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mi">60</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">LV_COLOR_DEPTH</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="mi">8</span><span class="p">,</span>
<span class="w"> </span><span class="p">.</span><span class="n">header</span><span class="p">.</span><span class="n">cf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">LV_COLOR_FORMAT_NATIVE</span><span class="p">,</span><span class="w"> </span><span class="cm">/*Set the color format*/</span>
<span class="w"> </span><span class="p">.</span><span class="n">data</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_img_data</span><span class="p">,</span>
<span class="p">};</span>
</pre></div>
</div>
<p>Another (possibly simpler) option to create and display an image at
run-time is to use the <a class="reference external" href="/widgets/canvas">Canvas</a> object.</p>
</section>
<section id="use-images">
<h3>Use images<a class="headerlink" href="#use-images" title="Link to this heading"></a></h3>
<p>The simplest way to use an image in LVGL is to display it with an
<a class="reference external" href="/widgets/img">lv_image</a> object:</p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="n">lv_obj_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">icon</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_image_create</span><span class="p">(</span><span class="n">lv_screen_active</span><span class="p">(),</span><span class="w"> </span><span class="nb">NULL</span><span class="p">);</span>
<span class="cm">/*From variable*/</span>
<span class="n">lv_image_set_src</span><span class="p">(</span><span class="n">icon</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">my_icon_dsc</span><span class="p">);</span>
<span class="cm">/*From file*/</span>
<span class="n">lv_image_set_src</span><span class="p">(</span><span class="n">icon</span><span class="p">,</span><span class="w"> </span><span class="s">&quot;S:my_icon.bin&quot;</span><span class="p">);</span>
</pre></div>
</div>
<p>If the image was converted with the online converter, you should use
<span class="cpp-expr sig sig-inline cpp"><span class="n">LV_IMG_DECLARE</span><span class="p">(</span><span class="n">my_icon_dsc</span><span class="p">)</span></span> to declare the image in the file where
you want to use it.</p>
</section>
</section>
<section id="image-decoder">
<h2>Image decoder<a class="headerlink" href="#image-decoder" title="Link to this heading"></a></h2>
<p>As you can see in the <a class="reference external" href="#color-formats">Color formats</a> section, LVGL
supports several built-in image formats. In many cases, these will be
all you need. LVGL doesn't directly support, however, generic image
formats like PNG or JPG.</p>
<p>To handle non-built-in image formats, you need to use external libraries
and attach them to LVGL via the <em>Image decoder</em> interface.</p>
<p>An image decoder consists of 4 callbacks:</p>
<ul class="simple">
<li><p><strong>info</strong> get some basic info about the image (width, height and color format).</p></li>
<li><dl class="simple">
<dt><strong>open</strong> open an image:</dt><dd><ul>
<li><p>store a decoded image</p></li>
<li><p>set it to <code class="docutils literal notranslate"><span class="pre">NULL</span></code> to indicate the image can be read line-by-line.</p></li>
</ul>
</dd>
</dl>
</li>
<li><p><strong>get_area</strong> if <em>open</em> didn't fully open an image this function should give back part of image as decoded data.</p></li>
<li><p><strong>close</strong> close an opened image, free the allocated resources.</p></li>
</ul>
<p>You can add any number of image decoders. When an image needs to be
drawn, the library will try all the registered image decoders until it
finds one which can open the image, i.e. one which knows that format.</p>
<p>The following formats are understood by the built-in decoder:
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I1</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I2</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I4</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_I8</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_RGB888</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_XRGB8888</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_ARGB8888</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_RGB565</span></code>
- <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_RGB565A8</span></code></p>
<section id="custom-image-formats">
<h3>Custom image formats<a class="headerlink" href="#custom-image-formats" title="Link to this heading"></a></h3>
<p>The easiest way to create a custom image is to use the online image
converter and select <code class="docutils literal notranslate"><span class="pre">Raw</span></code> or <code class="docutils literal notranslate"><span class="pre">Raw</span> <span class="pre">with</span> <span class="pre">alpha</span></code> format.
It will just take every byte of the
binary file you uploaded and write it as an image &quot;bitmap&quot;. You then
need to attach an image decoder that will parse that bitmap and generate
the real, renderable bitmap.</p>
<p><code class="docutils literal notranslate"><span class="pre">header.cf</span></code> will be <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t19LV_COLOR_FORMAT_RAWE" title="LV_COLOR_FORMAT_RAW"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_RAW</span></code></a>, <a class="reference internal" href="../API/misc/lv_color.html#_CPPv4N18_lv_color_format_t25LV_COLOR_FORMAT_RAW_ALPHAE" title="LV_COLOR_FORMAT_RAW_ALPHA"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_RAW_ALPHA</span></code></a>
accordingly. You should choose the correct format according to your needs:
a fully opaque image, using an alpha channel.</p>
<p>After decoding, the <em>raw</em> formats are considered <em>True color</em> by the
library. In other words, the image decoder must decode the <em>Raw</em> images
to <em>True color</em> according to the format described in the <a class="reference external" href="#color-formats">Color formats</a> section.</p>
</section>
<section id="register-an-image-decoder">
<h3>Register an image decoder<a class="headerlink" href="#register-an-image-decoder" title="Link to this heading"></a></h3>
<p>Here's an example of getting LVGL to work with PNG images.</p>
<p>First, you need to create a new image decoder and set some functions to
open/close the PNG files. It should look like this:</p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cm">/*Create a new decoder and register functions */</span>
<span class="n">lv_image_decoder_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">dec</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_image_decoder_create</span><span class="p">();</span>
<span class="n">lv_image_decoder_set_info_cb</span><span class="p">(</span><span class="n">dec</span><span class="p">,</span><span class="w"> </span><span class="n">decoder_info</span><span class="p">);</span>
<span class="n">lv_image_decoder_set_open_cb</span><span class="p">(</span><span class="n">dec</span><span class="p">,</span><span class="w"> </span><span class="n">decoder_open</span><span class="p">);</span>
<span class="n">lv_image_decoder_set_close_cb</span><span class="p">(</span><span class="n">dec</span><span class="p">,</span><span class="w"> </span><span class="n">decoder_close</span><span class="p">);</span>
<span class="cm">/**</span>
<span class="cm"> * Get info about a PNG image</span>
<span class="cm"> * @param decoder pointer to the decoder where this function belongs</span>
<span class="cm"> * @param src can be file name or pointer to a C array</span>
<span class="cm"> * @param header image information is set in header parameter</span>
<span class="cm"> * @return LV_RESULT_OK: no error; LV_RESULT_INVALID: can&#39;t get the info</span>
<span class="cm"> */</span>
<span class="k">static</span><span class="w"> </span><span class="n">lv_result_t</span><span class="w"> </span><span class="nf">decoder_info</span><span class="p">(</span><span class="k">struct</span><span class="w"> </span><span class="nc">_lv_image_decoder_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">decoder</span><span class="p">,</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">src</span><span class="p">,</span><span class="w"> </span><span class="n">lv_image_header_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">header</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="cm">/*Check whether the type `src` is known by the decoder*/</span>
<span class="w"> </span><span class="k">if</span><span class="p">(</span><span class="n">is_png</span><span class="p">(</span><span class="n">src</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">false</span><span class="p">)</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">LV_RESULT_INVALID</span><span class="p">;</span>
<span class="w"> </span><span class="cm">/* Read the PNG header and find `width` and `height` */</span>
<span class="w"> </span><span class="p">...</span>
<span class="w"> </span><span class="n">header</span><span class="o">-&gt;</span><span class="n">cf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">LV_COLOR_FORMAT_ARGB8888</span><span class="p">;</span>
<span class="w"> </span><span class="n">header</span><span class="o">-&gt;</span><span class="n">w</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">width</span><span class="p">;</span>
<span class="w"> </span><span class="n">header</span><span class="o">-&gt;</span><span class="n">h</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">height</span><span class="p">;</span>
<span class="p">}</span>
<span class="cm">/**</span>
<span class="cm"> * Open a PNG image and decode it into dsc.img_data</span>
<span class="cm"> * @param decoder pointer to the decoder where this function belongs</span>
<span class="cm"> * @param dsc image descriptor</span>
<span class="cm"> * @return LV_RESULT_OK: no error; LV_RESULT_INVALID: can&#39;t open the image</span>
<span class="cm"> */</span>
<span class="k">static</span><span class="w"> </span><span class="n">lv_result_t</span><span class="w"> </span><span class="nf">decoder_open</span><span class="p">(</span><span class="n">lv_image_decoder_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">decoder</span><span class="p">,</span><span class="w"> </span><span class="n">lv_image_decoder_dsc_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">dsc</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">(</span><span class="kt">void</span><span class="p">)</span><span class="w"> </span><span class="n">decoder</span><span class="p">;</span><span class="w"> </span><span class="cm">/*Unused*/</span>
<span class="w"> </span><span class="cm">/*Check whether the type `src` is known by the decoder*/</span>
<span class="w"> </span><span class="k">if</span><span class="p">(</span><span class="n">is_png</span><span class="p">(</span><span class="n">dsc</span><span class="o">-&gt;</span><span class="n">src</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="nb">false</span><span class="p">)</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">LV_RESULT_INVALID</span><span class="p">;</span>
<span class="w"> </span><span class="cm">/*Decode and store the image. If `dsc-&gt;img_data` is `NULL`, the `read_line` function will be called to get the image data line-by-line*/</span>
<span class="w"> </span><span class="n">dsc</span><span class="o">-&gt;</span><span class="n">img_data</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_png_decoder</span><span class="p">(</span><span class="n">dsc</span><span class="o">-&gt;</span><span class="n">src</span><span class="p">);</span>
<span class="w"> </span><span class="cm">/*Change the color format if required. For PNG usually &#39;Raw&#39; is fine*/</span>
<span class="w"> </span><span class="n">dsc</span><span class="o">-&gt;</span><span class="n">header</span><span class="p">.</span><span class="n">cf</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">LV_COLOR_FORMAT_</span><span class="p">...</span>
<span class="w"> </span><span class="cm">/*Call a built in decoder function if required. It&#39;s not required if `my_png_decoder` opened the image in true color format.*/</span>
<span class="w"> </span><span class="n">lv_result_t</span><span class="w"> </span><span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_image_decoder_built_in_open</span><span class="p">(</span><span class="n">decoder</span><span class="p">,</span><span class="w"> </span><span class="n">dsc</span><span class="p">);</span>
<span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">res</span><span class="p">;</span>
<span class="p">}</span>
<span class="cm">/**</span>
<span class="cm"> * Decode an area of image</span>
<span class="cm"> * @param decoder pointer to the decoder where this function belongs</span>
<span class="cm"> * @param dsc image decoder descriptor</span>
<span class="cm"> * @param full_area full image area information</span>
<span class="cm"> * @param decoded_area area information to decode (x1, y1, x2, y2)</span>
<span class="cm"> * @return LV_RESULT_OK: no error; LV_RESULT_INVALID: can&#39;t decode image area</span>
<span class="cm"> */</span>
<span class="k">static</span><span class="w"> </span><span class="n">lv_result_t</span><span class="w"> </span><span class="nf">decoder_get_area</span><span class="p">(</span><span class="n">lv_image_decoder_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">decoder</span><span class="p">,</span><span class="w"> </span><span class="n">lv_image_decoder_dsc_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">dsc</span><span class="p">,</span>
<span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="n">lv_area_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">full_area</span><span class="p">,</span><span class="w"> </span><span class="n">lv_area_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">decoded_area</span><span class="p">)</span>
<span class="p">{</span>
<span class="p">}</span>
<span class="cm">/**</span>
<span class="cm"> * Close PNG image and free data</span>
<span class="cm"> * @param decoder pointer to the decoder where this function belongs</span>
<span class="cm"> * @param dsc image decoder descriptor</span>
<span class="cm"> * @return LV_RESULT_OK: no error; LV_RESULT_INVALID: can&#39;t open the image</span>
<span class="cm"> */</span>
<span class="k">static</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="nf">decoder_close</span><span class="p">(</span><span class="n">lv_image_decoder_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">decoder</span><span class="p">,</span><span class="w"> </span><span class="n">lv_image_decoder_dsc_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">dsc</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="cm">/*Free all allocated data*/</span>
<span class="w"> </span><span class="cm">/*Call the built-in close function if the built-in open/read_line was used*/</span>
<span class="w"> </span><span class="n">lv_image_decoder_built_in_close</span><span class="p">(</span><span class="n">decoder</span><span class="p">,</span><span class="w"> </span><span class="n">dsc</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
</div>
<p>So in summary:</p>
<ul class="simple">
<li><p>In <code class="docutils literal notranslate"><span class="pre">decoder_info</span></code>, you should collect some basic information about the image and store it in <code class="docutils literal notranslate"><span class="pre">header</span></code>.</p></li>
<li><p>In <code class="docutils literal notranslate"><span class="pre">decoder_open</span></code>, you should try to open the image source pointed by
<code class="docutils literal notranslate"><span class="pre">dsc-&gt;src</span></code>. Its type is already in <code class="docutils literal notranslate"><span class="pre">dsc-&gt;src_type</span> <span class="pre">==</span> <span class="pre">LV_IMG_SRC_FILE/VARIABLE</span></code>.
If this format/type is not supported by the decoder, return <a class="reference internal" href="../API/misc/lv_types.html#_CPPv4N12_lv_result_t17LV_RESULT_INVALIDE" title="LV_RESULT_INVALID"><code class="xref cpp cpp-enumerator docutils literal notranslate"><span class="pre">LV_RESULT_INVALID</span></code></a>.
However, if you can open the image, a pointer to the decoded <em>True color</em> image should be
set in <code class="docutils literal notranslate"><span class="pre">dsc-&gt;img_data</span></code>. If the format is known, but you don't want to
decode the entire image (e.g. no memory for it), set <code class="docutils literal notranslate"><span class="pre">dsc-&gt;img_data</span> <span class="pre">=</span> <span class="pre">NULL</span></code> and
use <code class="docutils literal notranslate"><span class="pre">decoder_get_area</span></code> to get the image area pixels.</p></li>
<li><p>In <code class="docutils literal notranslate"><span class="pre">decoder_close</span></code> you should free all allocated resources.</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">decoder_get_area</span></code> is optional. In this case you should decode the whole image In
<code class="docutils literal notranslate"><span class="pre">decoder_open</span></code> function and store image data in <code class="docutils literal notranslate"><span class="pre">dsc-&gt;img_data</span></code>.
Decoding the whole image requires extra memory and some computational overhead.</p></li>
</ul>
</section>
<section id="manually-use-an-image-decoder">
<h3>Manually use an image decoder<a class="headerlink" href="#manually-use-an-image-decoder" title="Link to this heading"></a></h3>
<p>LVGL will use registered image decoders automatically if you try and
draw a raw image (i.e. using the <code class="docutils literal notranslate"><span class="pre">lv_image</span></code> object) but you can use them
manually too. Create an <a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv422lv_image_decoder_dsc_t" title="lv_image_decoder_dsc_t"><code class="xref cpp cpp-type docutils literal notranslate"><span class="pre">lv_image_decoder_dsc_t</span></code></a> variable to describe
the decoding session and call <a class="reference internal" href="../API/draw/lv_image_decoder.html#_CPPv421lv_image_decoder_openP22lv_image_decoder_dsc_tPKv10lv_color_t7int32_t" title="lv_image_decoder_open"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">lv_image_decoder_open()</span></code></a>.</p>
<p>The <code class="docutils literal notranslate"><span class="pre">color</span></code> parameter is used only with <code class="docutils literal notranslate"><span class="pre">LV_COLOR_FORMAT_A1/2/4/8</span></code>
images to tell color of the image. <code class="docutils literal notranslate"><span class="pre">frame_id</span></code> can be used if the image
to open is an animation.</p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="n">lv_result_t</span><span class="w"> </span><span class="n">res</span><span class="p">;</span>
<span class="n">lv_image_decoder_dsc_t</span><span class="w"> </span><span class="n">dsc</span><span class="p">;</span>
<span class="n">res</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">lv_image_decoder_open</span><span class="p">(</span><span class="o">&amp;</span><span class="n">dsc</span><span class="p">,</span><span class="w"> </span><span class="o">&amp;</span><span class="n">my_img_dsc</span><span class="p">,</span><span class="w"> </span><span class="n">color</span><span class="p">,</span><span class="w"> </span><span class="n">frame_id</span><span class="p">);</span>
<span class="k">if</span><span class="p">(</span><span class="n">res</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">LV_RESULT_OK</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w"> </span><span class="cm">/*Do something with `dsc-&gt;img_data`*/</span>
<span class="w"> </span><span class="n">lv_image_decoder_close</span><span class="p">(</span><span class="o">&amp;</span><span class="n">dsc</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
</div>
</section>
</section>
<section id="image-caching">
<span id="id1"></span><h2>Image caching<a class="headerlink" href="#image-caching" title="Link to this heading"></a></h2>
<p>Sometimes it takes a lot of time to open an image. Continuously decoding
a PNG/JPEG image or loading images from a slow external memory would be
inefficient and detrimental to the user experience.</p>
<p>Therefore, LVGL caches image data. Caching means some
images will be left open, hence LVGL can quickly access them from
<code class="docutils literal notranslate"><span class="pre">dsc-&gt;img_data</span></code> instead of needing to decode them again.</p>
<p>Of course, caching images is resource intensive as it uses more RAM to
store the decoded image. LVGL tries to optimize the process as much as
possible (see below), but you will still need to evaluate if this would
be beneficial for your platform or not. Image caching may not be worth
it if you have a deeply embedded target which decodes small images from
a relatively fast storage medium.</p>
<section id="cache-size">
<h3>Cache size<a class="headerlink" href="#cache-size" title="Link to this heading"></a></h3>
<p>The size of cache (in bytes) can be defined with
<a class="reference internal" href="../API/lv_conf_internal.html#c.LV_CACHE_DEF_SIZE" title="LV_CACHE_DEF_SIZE"><code class="xref c c-macro docutils literal notranslate"><span class="pre">LV_CACHE_DEF_SIZE</span></code></a> in <em>lv_conf.h</em>. The default value is 0, so
no image is cached.</p>
<p>The size of cache can be changed at run-time with
<span class="cpp-expr sig sig-inline cpp"><a class="reference internal" href="../API/misc/lv_cache.html#_CPPv421lv_cache_set_max_size6size_t" title="lv_cache_set_max_size"><span class="n">lv_cache_set_max_size</span></a><span class="p">(</span><span class="n">size_t</span><span class="w"> </span><span class="n">size</span><span class="p">)</span></span>,
and get with <span class="cpp-expr sig sig-inline cpp"><a class="reference internal" href="../API/misc/lv_cache.html#_CPPv421lv_cache_get_max_sizev" title="lv_cache_get_max_size"><span class="n">lv_cache_get_max_size</span></a><span class="p">(</span><span class="p">)</span></span>.</p>
</section>
<section id="value-of-images">
<h3>Value of images<a class="headerlink" href="#value-of-images" title="Link to this heading"></a></h3>
<p>When you use more images than available cache size, LVGL can't cache all the
images. Instead, the library will close one of the cached images to free
space.</p>
<p>To decide which image to close, LVGL uses a measurement it previously
made of how long it took to open the image. Cache entries that hold
slower-to-open images are considered more valuable and are kept in the
cache as long as possible.</p>
<p>If you want or need to override LVGL's measurement, you can manually set
the <em>weight</em> value in the cache entry in
<code class="docutils literal notranslate"><span class="pre">cache_entry-&gt;weight</span> <span class="pre">=</span> <span class="pre">time_ms</span></code> to give a higher or lower value. (Leave
it unchanged to let LVGL control it.)</p>
<p>Every cache entry has a <em>&quot;life&quot;</em> value. Every time an image is opened
through the cache, the <em>life</em> value of all entries is increased by their
<em>weight</em> values to make them older.
When a cached image is used, its <em>usage_count</em> value is increased
to make it more alive.</p>
<p>If there is no more space in the cache, the entry with <em>usage_count == 0</em>
and lowest life value will be dropped.</p>
</section>
<section id="memory-usage">
<h3>Memory usage<a class="headerlink" href="#memory-usage" title="Link to this heading"></a></h3>
<p>Note that a cached image might continuously consume memory. For example,
if three PNG images are cached, they will consume memory while they are
open.</p>
<p>Therefore, it's the user's responsibility to be sure there is enough RAM
to cache even the largest images at the same time.</p>
</section>
<section id="clean-the-cache">
<h3>Clean the cache<a class="headerlink" href="#clean-the-cache" title="Link to this heading"></a></h3>
<p>Let's say you have loaded a PNG image into a <a class="reference internal" href="../API/draw/lv_image_buf.html#_CPPv414lv_image_dsc_t" title="lv_image_dsc_t"><code class="xref cpp cpp-struct docutils literal notranslate"><span class="pre">lv_image_dsc_t</span></code></a> <code class="docutils literal notranslate"><span class="pre">my_png</span></code>
variable and use it in an <code class="docutils literal notranslate"><span class="pre">lv_image</span></code> object. If the image is already
cached and you then change the underlying PNG file, you need to notify
LVGL to cache the image again. Otherwise, there is no easy way of
detecting that the underlying file changed and LVGL will still draw the
old image from cache.</p>
<p>To do this, use <span class="cpp-expr sig sig-inline cpp">lv_cache_invalidate(lv_cache_find(&amp;my_png, LV_CACHE_SRC_TYPE_PTR, 0, 0));</span>.</p>
</section>
<section id="custom-cache-algorithm">
<h3>Custom cache algorithm<a class="headerlink" href="#custom-cache-algorithm" title="Link to this heading"></a></h3>
<p>If you want to implement your own cache algorithm, you can refer to the
following code to replace the LVGL built-in cache manager:</p>
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="k">static</span><span class="w"> </span><span class="n">lv_cache_entry_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="nf">my_cache_add_cb</span><span class="p">(</span><span class="kt">size_t</span><span class="w"> </span><span class="n">size</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">...</span>
<span class="p">}</span>
<span class="k">static</span><span class="w"> </span><span class="n">lv_cache_entry_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="nf">my_cache_find_cb</span><span class="p">(</span><span class="k">const</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">src</span><span class="p">,</span><span class="w"> </span><span class="n">lv_cache_src_type_t</span><span class="w"> </span><span class="n">src_type</span><span class="p">,</span><span class="w"> </span><span class="kt">uint32_t</span><span class="w"> </span><span class="n">param1</span><span class="p">,</span><span class="w"> </span><span class="kt">uint32_t</span><span class="w"> </span><span class="n">param2</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">...</span>
<span class="p">}</span>
<span class="k">static</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="nf">my_cache_invalidate_cb</span><span class="p">(</span><span class="n">lv_cache_entry_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">entry</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">...</span>
<span class="p">}</span>
<span class="k">static</span><span class="w"> </span><span class="k">const</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="nf">my_cache_get_data_cb</span><span class="p">(</span><span class="n">lv_cache_entry_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">entry</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">...</span>
<span class="p">}</span>
<span class="k">static</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="nf">my_cache_release_cb</span><span class="p">(</span><span class="n">lv_cache_entry_t</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">entry</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">...</span>
<span class="p">}</span>
<span class="k">static</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="nf">my_cache_set_max_size_cb</span><span class="p">(</span><span class="kt">size_t</span><span class="w"> </span><span class="n">new_size</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">...</span>
<span class="p">}</span>
<span class="k">static</span><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="nf">my_cache_empty_cb</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="p">...</span>
<span class="p">}</span>
<span class="kt">void</span><span class="w"> </span><span class="nf">my_cache_init</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span>
<span class="p">{</span>
<span class="w"> </span><span class="cm">/*Initialize new cache manager.*/</span>
<span class="w"> </span><span class="n">lv_cache_manager_t</span><span class="w"> </span><span class="n">my_manager</span><span class="p">;</span>
<span class="w"> </span><span class="n">my_manager</span><span class="p">.</span><span class="n">add_cb</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_cache_add_cb</span><span class="p">;</span>
<span class="w"> </span><span class="n">my_manager</span><span class="p">.</span><span class="n">find_cb</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_cache_find_cb</span><span class="p">;</span>
<span class="w"> </span><span class="n">my_manager</span><span class="p">.</span><span class="n">invalidate_cb</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_cache_invalidate_cb</span><span class="p">;</span>
<span class="w"> </span><span class="n">my_manager</span><span class="p">.</span><span class="n">get_data_cb</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_cache_get_data_cb</span><span class="p">;</span>
<span class="w"> </span><span class="n">my_manager</span><span class="p">.</span><span class="n">release_cb</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_cache_release_cb</span><span class="p">;</span>
<span class="w"> </span><span class="n">my_manager</span><span class="p">.</span><span class="n">set_max_size_cb</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_cache_set_max_size_cb</span><span class="p">;</span>
<span class="w"> </span><span class="n">my_manager</span><span class="p">.</span><span class="n">empty_cb</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">my_cache_empty_cb</span><span class="p">;</span>
<span class="w"> </span><span class="cm">/*Replace existing cache manager with the new one.*/</span>
<span class="w"> </span><span class="n">lv_cache_lock</span><span class="p">();</span>
<span class="w"> </span><span class="n">lv_cache_set_manager</span><span class="p">(</span><span class="o">&amp;</span><span class="n">my_manager</span><span class="p">);</span>
<span class="w"> </span><span class="n">lv_cache_unlock</span><span class="p">();</span>
<span class="p">}</span>
</pre></div>
</div>
</section>
</section>
<section id="api">
<h2>API<a class="headerlink" href="#api" title="Link to this heading"></a></h2>
<p><a class="reference internal" href="../API/lv_api_map.html#lv-api-map"><span class="std std-ref">lv_api_map.h</span></a></p>
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