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fix(draw): fix image recoloring with partial update

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fixes #4692
This commit is contained in:
Gabor Kiss-Vamosi 2023-10-23 17:07:51 +02:00
parent 5c75618c49
commit ea847a3830
1 changed files with 7 additions and 6 deletions
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13
src/draw/sw/lv_draw_sw_img.c
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@ -343,8 +343,9 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
else if(draw_dsc->recolor_opa >= LV_OPA_MIN) {
lv_coord_t h = lv_area_get_height(&relative_area);
if(cf_final == LV_COLOR_FORMAT_RGB565A8) {
const uint8_t * rgb_src_buf = src_buf + blend_dsc.src_stride * relative_area.y1 + relative_area.x1 * 2;
const uint8_t * a_src_buf = src_buf + blend_dsc.src_stride * src_h + blend_dsc.src_stride / 2 * relative_area.y1 +
uint32_t stride_px = img_stride / 2;
const uint8_t * rgb_src_buf = src_buf + stride_px * 2 * relative_area.y1 + relative_area.x1 * 2;
const uint8_t * a_src_buf = src_buf + stride_px * 2 * src_h + stride_px * relative_area.y1 +
relative_area.x1;
uint8_t * rgb_dest_buf = tmp_buf_aligned;
uint8_t * a_dest_buf = (uint8_t *)blend_dsc.mask_buf;
@ -352,20 +353,20 @@ static void img_draw_core(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t
for(i = 0; i < h; i++) {
lv_memcpy(rgb_dest_buf, rgb_src_buf, blend_w * 2);
lv_memcpy(a_dest_buf, a_src_buf, blend_w);
rgb_src_buf += blend_dsc.src_stride;
a_src_buf += blend_dsc.src_stride / 2;
rgb_src_buf += stride_px * 2;
a_src_buf += stride_px;
rgb_dest_buf += blend_w * 2;
a_dest_buf += blend_w;
}
}
else if(cf_final != LV_COLOR_FORMAT_A8) {
const uint8_t * src_buf_tmp = src_buf + blend_dsc.src_stride * relative_area.y1 + relative_area.x1 * px_size;
const uint8_t * src_buf_tmp = src_buf + img_stride * relative_area.y1 + relative_area.x1 * px_size;
uint8_t * dest_buf_tmp = tmp_buf_aligned;
lv_coord_t i;
for(i = 0; i < h; i++) {
lv_memcpy(dest_buf_tmp, src_buf_tmp, blend_w * px_size);
dest_buf_tmp += blend_w * px_size;
src_buf_tmp += blend_dsc.src_stride;
src_buf_tmp += img_stride;
}
}
}