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fix(darw): add back the disappeared antialising=0 support

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fixes #3838
This commit is contained in:
Gabor Kiss-Vamosi
2022-12-03 17:49:42 +01:00
parent 1ed026ca73
commit 2c17b28ac4
1 changed files with 11 additions and 2 deletions
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13
src/draw/sw/lv_draw_sw_blend.c
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@@ -103,7 +103,7 @@ void lv_draw_sw_blend(lv_draw_ctx_t * draw_ctx, const lv_draw_sw_blend_dsc_t * d
LV_ATTRIBUTE_FAST_MEM void lv_draw_sw_blend_basic(lv_draw_ctx_t * draw_ctx, const lv_draw_sw_blend_dsc_t * dsc) LV_ATTRIBUTE_FAST_MEM void lv_draw_sw_blend_basic(lv_draw_ctx_t * draw_ctx, const lv_draw_sw_blend_dsc_t * dsc)
{ {
const lv_opa_t * mask; lv_opa_t * mask;
if(dsc->mask_buf == NULL) mask = NULL; if(dsc->mask_buf == NULL) mask = NULL;
if(dsc->mask_buf && dsc->mask_res == LV_DRAW_MASK_RES_TRANSP) return; if(dsc->mask_buf && dsc->mask_res == LV_DRAW_MASK_RES_TRANSP) return;
else if(dsc->mask_res == LV_DRAW_MASK_RES_FULL_COVER) mask = NULL; else if(dsc->mask_res == LV_DRAW_MASK_RES_FULL_COVER) mask = NULL;
@@ -129,7 +129,6 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_sw_blend_basic(lv_draw_ctx_t * draw_ctx, cons
} }
} }
const lv_color_t * src_buf = dsc->src_buf; const lv_color_t * src_buf = dsc->src_buf;
lv_coord_t src_stride; lv_coord_t src_stride;
if(src_buf) { if(src_buf) {
@@ -142,8 +141,18 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_sw_blend_basic(lv_draw_ctx_t * draw_ctx, cons
lv_coord_t mask_stride; lv_coord_t mask_stride;
if(mask) { if(mask) {
/*Round the values in the mask if anti-aliasing is disabled*/
if(disp->driver->antialiasing == 0) {
int32_t mask_size = lv_area_get_size(dsc->mask_area);
int32_t i;
for(i = 0; i < mask_size; i++) {
mask[i] = mask[i] > 128 ? LV_OPA_COVER : LV_OPA_TRANSP;
}
}
mask_stride = lv_area_get_width(dsc->mask_area); mask_stride = lv_area_get_width(dsc->mask_area);
mask += mask_stride * (blend_area.y1 - dsc->mask_area->y1) + (blend_area.x1 - dsc->mask_area->x1); mask += mask_stride * (blend_area.y1 - dsc->mask_area->y1) + (blend_area.x1 - dsc->mask_area->x1);
} }
else { else {
mask_stride = 0; mask_stride = 0;