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fix(draw): fix text color with sub pixel rendering and BGR order

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fixes: #3764
This commit is contained in:
Gabor Kiss-Vamosi 2022-10-26 10:13:56 +02:00
parent 69e50712a9
commit 064e478742
1 changed files with 2 additions and 2 deletions
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4
src/draw/sw/lv_draw_sw_letter.c
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@ -480,8 +480,8 @@ static void draw_letter_subpx(lv_draw_ctx_t * draw_ctx, const lv_draw_label_dsc_
uint8_t bg_rgb[3] = {dest_buf_tmp->ch.red, dest_buf_tmp->ch.green, dest_buf_tmp->ch.blue};
#if LV_DRAW_SW_FONT_SUBPX_BGR
res_color.ch.blue = (uint32_t)((uint32_t)txt_rgb[0] * font_rgb[0] + (bg_rgb[0] * (255 - font_rgb[0]))) >> 8;
res_color.ch.red = (uint32_t)((uint32_t)txt_rgb[2] * font_rgb[2] + (bg_rgb[2] * (255 - font_rgb[2]))) >> 8;
res_color.ch.red = (uint32_t)((uint16_t)txt_rgb[0] * font_rgb[2] + (bg_rgb[0] * (255 - font_rgb[2]))) >> 8;
res_color.ch.blue = (uint32_t)((uint16_t)txt_rgb[2] * font_rgb[0] + (bg_rgb[2] * (255 - font_rgb[0]))) >> 8;
#else
res_color.ch.red = (uint32_t)((uint16_t)txt_rgb[0] * font_rgb[0] + (bg_rgb[0] * (255 - font_rgb[0]))) >> 8;
res_color.ch.blue = (uint32_t)((uint16_t)txt_rgb[2] * font_rgb[2] + (bg_rgb[2] * (255 - font_rgb[2]))) >> 8;