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lv_img_color_format_get_px_size fix for true color apha format

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Gabor Kiss-Vamosi
2018-10-11 14:23:03 +02:00
parent 0fdfa32d4a
commit b6b77f4b45
1 changed files with 2 additions and 1 deletions
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3
lv_draw/lv_draw_img.c
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@@ -155,7 +155,7 @@ uint8_t lv_img_color_format_get_px_size(lv_img_cf_t cf)
case LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED:
return LV_COLOR_SIZE;
case LV_IMG_CF_TRUE_COLOR_ALPHA:
return LV_IMG_PX_SIZE_ALPHA_BYTE;
return LV_IMG_PX_SIZE_ALPHA_BYTE << 3;
case LV_IMG_CF_INDEXED_1BIT:
case LV_IMG_CF_ALPHA_1BIT:
@@ -469,6 +469,7 @@ static lv_res_t lv_img_decoder_read_line(lv_coord_t x, lv_coord_t y, lv_coord_t
decoder_header.cf == LV_IMG_CF_TRUE_COLOR_ALPHA ||
decoder_header.cf == LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED) {
uint32_t pos = ((y * decoder_header.w + x) * px_size) >> 3;
pos += 4; /*Skip the header*/
res = lv_fs_seek(&decoder_file, pos);
if(res != LV_FS_RES_OK) {
LV_LOG_WARN("Built-in image decoder seek failed");