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lv_example_imgfont_1.c
54 lines (45 loc) · 1.27 KB
/
lv_example_imgfont_1.c
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#include "../../lv_examples.h"
#include <stdio.h>
#if LV_BUILD_EXAMPLES
#if LV_USE_IMGFONT
LV_IMG_DECLARE(emoji_F617)
static bool get_imgfont_path(const lv_font_t * font, void * img_src,
uint16_t len, uint32_t unicode, uint32_t unicode_next)
{
LV_UNUSED(font);
LV_UNUSED(unicode_next);
LV_ASSERT_NULL(img_src);
if(unicode == 0xF617) {
memcpy(img_src, &emoji_F617, sizeof(lv_img_dsc_t));
}
else {
char * path = (char *)img_src;
snprintf(path, len, "%s/%04X.%s", "A:lvgl/examples/assets/emoji", unicode, "png");
path[len - 1] = '\0';
}
return true;
}
/**
* draw img in label or span obj
*/
void lv_example_imgfont_1(void)
{
lv_font_t * imgfont = lv_imgfont_create(80, get_imgfont_path);
if(imgfont == NULL) {
LV_LOG_ERROR("imgfont init error");
}
imgfont->fallback = LV_FONT_DEFAULT;
lv_obj_t * label1 = lv_label_create(lv_scr_act());
lv_label_set_text(label1, "12\uF600\uF617AB");
lv_obj_set_style_text_font(label1, imgfont, LV_PART_MAIN);
lv_obj_center(label1);
}
#else
void lv_example_imgfont_1(void)
{
lv_obj_t * label = lv_label_create(lv_scr_act());
lv_label_set_text(label, "imgfont is not installed");
lv_obj_center(label);
}
#endif
#endif