From b6b77f4b456e832504cf7ac364f4c456a5eb5bb3 Mon Sep 17 00:00:00 2001 From: Gabor Kiss-Vamosi Date: Thu, 11 Oct 2018 14:23:03 +0200 Subject: [PATCH] lv_img_color_format_get_px_size fix for true color apha format --- lv_draw/lv_draw_img.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lv_draw/lv_draw_img.c b/lv_draw/lv_draw_img.c index 6fe95fe15..0f7fa5153 100644 --- a/lv_draw/lv_draw_img.c +++ b/lv_draw/lv_draw_img.c @@ -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");