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fix(draw): fix colour supports for indexed and alpha-only (#3371)

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This commit is contained in:
Gabriel Wang
2022-05-20 08:32:59 +01:00
committed by GitHub
parent 7bb09e3580
commit 332d0abcfc
1 changed files with 6 additions and 1 deletions
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7
src/draw/lv_draw_img.c
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@@ -236,7 +236,12 @@ LV_ATTRIBUTE_FAST_MEM static lv_res_t decode_and_draw(lv_draw_ctx_t * draw_ctx,
if(cdsc == NULL) return LV_RES_INV;
lv_img_cf_t cf = cdsc->dec_dsc.header.cf;
lv_img_cf_t cf;
if(lv_img_cf_is_chroma_keyed(cdsc->dec_dsc.header.cf)) cf = LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED;
else if(LV_IMG_CF_ALPHA_8BIT == cdsc->dec_dsc.header.cf) cf = LV_IMG_CF_ALPHA_8BIT;
else if(LV_IMG_CF_RGB565A8 == cdsc->dec_dsc.header.cf) cf = LV_IMG_CF_RGB565A8;
else if(lv_img_cf_has_alpha(cdsc->dec_dsc.header.cf)) cf = LV_IMG_CF_TRUE_COLOR_ALPHA;
else cf = LV_IMG_CF_TRUE_COLOR;
if(cf == LV_IMG_CF_ALPHA_8BIT) {
if(draw_dsc->angle || draw_dsc->zoom != LV_IMG_ZOOM_NONE) {