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https://github.com/lvgl/lvgl.git
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168 lines
3.8 KiB
C
168 lines
3.8 KiB
C
/**
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* @file lv_style.h
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*
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*/
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#ifndef LV_STYLE_H
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#define LV_STYLE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include <stdbool.h>
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#include "misc/gfx/color.h"
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#include "misc/gfx/area.h"
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#include "misc/gfx/font.h"
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#include "misc/gfx/anim.h"
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/*********************
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* DEFINES
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*********************/
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#define LV_RADIUS_CIRCLE (CORD_MAX) /*A very big radius to always draw as circle*/
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/**********************
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* TYPEDEFS
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**********************/
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/*Shadow types*/
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typedef enum
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{
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LV_SHADOW_BOTTOM = 0,
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LV_SHADOW_FULL,
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}lv_shadow_type_t;
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typedef struct
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{
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uint8_t glass :1; /*1: Do not inherit this style*/
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struct {
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color_t color_main;
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color_t color_gradient;
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cord_t radius;
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opa_t opa;
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struct {
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color_t color;
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cord_t width;
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opa_t opa;
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}border;
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struct {
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color_t color;
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cord_t width;
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uint8_t type;
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}shadow;
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struct {
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cord_t ver;
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cord_t hor;
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cord_t inner;
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}padding;
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uint8_t empty :1; /*Transparent background (border still drawn)*/
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}body;
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struct {
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color_t color;
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const font_t * font;
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cord_t letter_space;
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cord_t line_space;
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opa_t opa;
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}text;
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struct {
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color_t color;
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opa_t intense;
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opa_t opa;
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}image;
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struct {
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color_t color;
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cord_t width;
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opa_t opa;
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}line;
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}lv_style_t;
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typedef struct {
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const lv_style_t * style_start; /*Pointer to the starting style*/
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const lv_style_t * style_end; /*Pointer to the destination style*/
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lv_style_t * style_anim; /*Pointer to a style to animate*/
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anim_cb_t end_cb; /*Call it when the animation is ready*/
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int16_t time; /*Animation time in ms*/
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int16_t act_time; /*Current time in animation. Set to negative to make delay.*/
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uint16_t playback_pause; /*Wait before play back*/
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uint16_t repeat_pause; /*Wait before repeat*/
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uint8_t playback :1; /*When the animation is ready play it back*/
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uint8_t repeat :1; /*Repeat the animation infinitely*/
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}lv_style_anim_t;
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/* Example initialization
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lv_style_anim_t a;
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a.style_anim = &style_to_anim;
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a.style_start = &style_1;
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a.style_end = &style_2;
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a.act_time = 0;
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a.time = 1000;
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a.playback = 0;
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a.playback_pause = 0;
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a.repeat = 0;
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a.repeat_pause = 0;
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a.end_cb = NULL;
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lv_style_anim_create(&a);
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*/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Init the basic styles
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*/
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void lv_style_init (void);
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/**
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* Copy a style to an other
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* @param dest pointer to the destination style
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* @param src pointer to the source style
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*/
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void lv_style_copy(lv_style_t * dest, const lv_style_t * src);
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/**
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* Create an animation from a pre-configured 'lv_style_anim_t' variable
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* @param anim pointer to a pre-configured 'lv_style_anim_t' variable (will be copied)
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*/
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void lv_style_anim_create(lv_style_anim_t * anim);
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/*************************
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* GLOBAL VARIABLES
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*************************/
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extern lv_style_t lv_style_scr;
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extern lv_style_t lv_style_transp;
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extern lv_style_t lv_style_transp_fit;
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extern lv_style_t lv_style_transp_tight;
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extern lv_style_t lv_style_plain;
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extern lv_style_t lv_style_plain_color;
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extern lv_style_t lv_style_pretty;
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extern lv_style_t lv_style_pretty_color;
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extern lv_style_t lv_style_btn_released;
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extern lv_style_t lv_style_btn_pressed;
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extern lv_style_t lv_style_btn_tgl_released;
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extern lv_style_t lv_style_btn_tgl_pressed;;
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extern lv_style_t lv_style_btn_inactive;
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_STYLE_H*/
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