Embedded/lvgl
1
0
Fork 0
mirror of https://github.com/lvgl/lvgl.git synced 2025-01-28 07:03:00 +08:00
Code Issues Projects Releases Wiki Activity

fix(gif): fix rare issue when drawing the gif's background

Browse Source
This commit is contained in:
Gabor Kiss-Vamosi 2022-02-17 18:16:39 +01:00
parent ab727d3181
commit b1e2c06658
1 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/extra/libs/gif/gifdec.c
View File

@ -133,28 +133,28 @@ static gd_GIF * gif_open(gd_GIF * gif_base)
#elif LV_COLOR_DEPTH == 8 || LV_COLOR_DEPTH == 1
gif->frame = &gif->canvas[2 * width * height];
#endif
if (gif->bgindex)
if (gif->bgindex) {
memset(gif->frame, gif->bgindex, gif->width * gif->height);
}
bgcolor = &gif->palette->colors[gif->bgindex*3];
if (bgcolor[0] || bgcolor[1] || bgcolor [2])
for (i = 0; i < gif->width * gif->height; i++) {
for (i = 0; i < gif->width * gif->height; i++) {
#if LV_COLOR_DEPTH == 32
gif->canvas[i*4 + 0] = *(bgcolor + 2);
gif->canvas[i*4 + 1] = *(bgcolor + 1);
gif->canvas[i*4 + 2] = *(bgcolor + 0);
gif->canvas[i*4 + 3] = 0xff;
gif->canvas[i*4 + 0] = *(bgcolor + 2);
gif->canvas[i*4 + 1] = *(bgcolor + 1);
gif->canvas[i*4 + 2] = *(bgcolor + 0);
gif->canvas[i*4 + 3] = 0xff;
#elif LV_COLOR_DEPTH == 16
lv_color_t c = lv_color_make(*(bgcolor + 0), *(bgcolor + 1), *(bgcolor + 2));
gif->canvas[i*3 + 0] = c.full & 0xff;
gif->canvas[i*3 + 1] = (c.full >> 8) & 0xff;
gif->canvas[i*3 + 2] = 0xff;
lv_color_t c = lv_color_make(*(bgcolor + 0), *(bgcolor + 1), *(bgcolor + 2));
gif->canvas[i*3 + 0] = c.full & 0xff;
gif->canvas[i*3 + 1] = (c.full >> 8) & 0xff;
gif->canvas[i*3 + 2] = 0xff;
#elif LV_COLOR_DEPTH == 8
lv_color_t c = lv_color_make(*(bgcolor + 0), *(bgcolor + 1), *(bgcolor + 2));
gif->canvas[i*2 + 0] = c.full;
gif->canvas[i*2 + 1] = 0xff;
lv_color_t c = lv_color_make(*(bgcolor + 0), *(bgcolor + 1), *(bgcolor + 2));
gif->canvas[i*2 + 0] = c.full;
gif->canvas[i*2 + 1] = 0xff;
#endif
}
}
gif->anim_start = f_gif_seek(gif, 0, LV_FS_SEEK_CUR);
goto ok;
fail: