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fix(draw_sw): fix ARGB8888PM case where the color of dest and src is the same but opa is different. (#8454)
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Browse Source
This commit is contained in:
Erik Tagirov
2025-06-24 11:52:47 +02:00
committed by GitHub
parent c34a619f46
commit cd35a9a25c
3 changed files with 14 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
demos/render/lv_demo_render.c
-1
View File
@@ -327,7 +327,6 @@ static lv_obj_t * image_obj_create(lv_obj_t * parent, int32_t col, int32_t row,
return obj;
}
#include <stdio.h>
static void image_core_cb(lv_obj_t * parent, bool recolor, uint32_t startAt)
{
src/draw/sw/blend/lv_draw_sw_blend_to_argb8888_premultiplied.c
+8 -4
View File
@@ -302,7 +302,8 @@ static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(lv_draw_sw_blend_image_ds
*darker color when blending the same color to the background.*/
if(dest_buf_c32[x].red != color_argb.red ||
dest_buf_c32[x].green != color_argb.green ||
dest_buf_c32[x].blue != color_argb.blue) {
dest_buf_c32[x].blue != color_argb.blue ||
dest_buf_c32[x].alpha != color_argb.alpha) {
color_argb.red = (color_argb.red * color_argb.alpha) >> 8;
color_argb.green = (color_argb.green * color_argb.alpha) >> 8;
@@ -334,7 +335,8 @@ static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(lv_draw_sw_blend_image_ds
*darker color when blending the same color to the background.*/
if(dest_buf_c32[x].red != color_argb.red ||
dest_buf_c32[x].green != color_argb.green ||
dest_buf_c32[x].blue != color_argb.blue) {
dest_buf_c32[x].blue != color_argb.blue ||
dest_buf_c32[x].alpha != color_argb.alpha) {
color_argb.alpha = alpha;
color_argb.red = (color_argb.red * color_argb.alpha) >> 8;
color_argb.green = (color_argb.green * color_argb.alpha) >> 8;
@@ -366,7 +368,8 @@ static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(lv_draw_sw_blend_image_ds
*darker color when blending the same color to the background.*/
if(dest_buf_c32[x].red != color_argb.red ||
dest_buf_c32[x].green != color_argb.green ||
dest_buf_c32[x].blue != color_argb.blue) {
dest_buf_c32[x].blue != color_argb.blue ||
dest_buf_c32[x].alpha != color_argb.alpha) {
color_argb.alpha = alpha;
color_argb.red = (color_argb.red * color_argb.alpha) >> 8;
color_argb.green = (color_argb.green * color_argb.alpha) >> 8;
@@ -399,7 +402,8 @@ static void LV_ATTRIBUTE_FAST_MEM argb8888_image_blend(lv_draw_sw_blend_image_ds
*darker color when blending the same color to the background.*/
if(dest_buf_c32[x].red != color_argb.red ||
dest_buf_c32[x].green != color_argb.green ||
dest_buf_c32[x].blue != color_argb.blue) {
dest_buf_c32[x].blue != color_argb.blue ||
dest_buf_c32[x].alpha != color_argb.alpha) {
color_argb.alpha = alpha;
color_argb.red = (color_argb.red * color_argb.alpha) >> 8;
color_argb.green = (color_argb.green * color_argb.alpha) >> 8;
tests/src/test_cases/draw/test_render_to_argb8888_premultiplied.c
+6 -2
View File
@@ -26,8 +26,12 @@ void test_render_to_argb8888_premultiplied(void)
uint32_t i;
for(i = 0; i < LV_DEMO_RENDER_SCENE_NUM; i++) {
/*Skip test with transformed indexed images if they are not loaded to RAM*/
if(LV_BIN_DECODER_RAM_LOAD == 0 &&
/*
* Skip test with transformed indexed images if they are not loaded to RAM
* also skip normal_3 and recolor_3 on VGLite
* because RGB565A8 and I8 are not supported
*/
if((LV_BIN_DECODER_RAM_LOAD == 0 || LV_USE_DRAW_VGLITE == 0) &&
(i == LV_DEMO_RENDER_SCENE_IMAGE_NORMAL_3 ||
i == LV_DEMO_RENDER_SCENE_IMAGE_RECOLOR_3)) continue;