#include "../../lv_examples.h" #if LV_USE_CANVAS && LV_FONT_MONTSERRAT_18 && LV_BUILD_EXAMPLES #define CANVAS_WIDTH 50 #define CANVAS_HEIGHT 50 /** * Draw a text to the canvas */ void lv_example_canvas_4(void) { /*Create a buffer for the canvas*/ LV_DRAW_BUF_DEFINE_STATIC(draw_buf, CANVAS_WIDTH, CANVAS_HEIGHT, LV_COLOR_FORMAT_ARGB8888); LV_DRAW_BUF_INIT_STATIC(draw_buf); /*Create a canvas and initialize its palette*/ lv_obj_t * canvas = lv_canvas_create(lv_screen_active()); lv_canvas_set_draw_buf(canvas, &draw_buf); lv_canvas_fill_bg(canvas, lv_color_hex3(0xccc), LV_OPA_COVER); lv_obj_center(canvas); lv_layer_t layer; lv_canvas_init_layer(canvas, &layer); lv_draw_label_dsc_t dsc; lv_draw_label_dsc_init(&dsc); dsc.color = lv_palette_main(LV_PALETTE_RED); dsc.font = &lv_font_montserrat_18; dsc.decor = LV_TEXT_DECOR_UNDERLINE; dsc.text = "Hello"; lv_area_t coords = {10, 10, 30, 60}; lv_draw_label(&layer, &dsc, &coords); lv_canvas_finish_layer(canvas, &layer); } #endif