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fix color bleeding on corner clipping

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Fixes #1777
This commit is contained in:
Gabor Kiss-Vamosi 2020-09-10 16:06:03 +02:00
parent 81884401d2
commit 125e6e95f6
1 changed files with 14 additions and 1 deletions
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15
src/lv_core/lv_obj.c
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@ -3896,8 +3896,21 @@ static lv_design_res_t lv_obj_design(lv_obj_t * obj, const lv_area_t * clip_area
lv_draw_mask_radius_param_t * mp = _lv_mem_buf_get(sizeof(lv_draw_mask_radius_param_t));
lv_coord_t r = lv_obj_get_style_radius(obj, LV_OBJ_PART_MAIN);
/* If it has border make the clip area 1 px smaller to avoid color bleeding
* The border will cover the minimal issue on the edges*/
if(draw_dsc.border_post && draw_dsc.border_opa >= LV_OPA_MIN && draw_dsc.border_width > 0) {
lv_area_t cc_area;
cc_area.x1 = obj->coords.x1 + 1;
cc_area.y1 = obj->coords.y1 + 1;
cc_area.x2 = obj->coords.x2 - 1;
cc_area.y2 = obj->coords.y2 - 1;
lv_draw_mask_radius_init(mp, &cc_area, r, false);
}
/*If no border use the full size.*/
else {
lv_draw_mask_radius_init(mp, &obj->coords, r, false);
}
lv_draw_mask_radius_init(mp, &obj->coords, r, false);
/*Add the mask and use `obj+8` as custom id. Don't use `obj` directly because it might be used by the user*/
lv_draw_mask_add(mp, obj + 8);
}