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backend: don't clip corners when painting shadow

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When removing shadow behind a window with rounded corners, keep the
corner part - those parts will be removed using the mask instead.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2022-08-24 08:12:59 +01:00
parent 4bf7669ec3
commit e4221e0787
1 changed files with 5 additions and 1 deletions
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6
src/backend/backend.c
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@@ -204,6 +204,8 @@ void paint_all_new(session_t *ps, struct managed_win *t, bool ignore_damage) {
// The bounding shape of the window, in global/target coordinates
// reminder: bounding shape contains the WM frame
auto reg_bound = win_get_bounding_shape_global_by_val(w);
auto reg_bound_no_corner =
win_get_bounding_shape_global_without_corners_by_val(w);
region_t reg_bound_local;
pixman_region32_init(&reg_bound_local);
pixman_region32_copy(&reg_bound_local, &reg_bound);
@@ -361,7 +363,8 @@ void paint_all_new(session_t *ps, struct managed_win *t, bool ignore_damage) {
auto inverted_mask = NULL;
if (!ps->o.wintype_option[w->window_type].full_shadow) {
pixman_region32_subtract(&reg_shadow, &reg_shadow, &reg_bound);
pixman_region32_subtract(&reg_shadow, &reg_shadow,
&reg_bound_no_corner);
if (w->mask_image) {
inverted_mask = w->mask_image;
ps->backend_data->ops->set_image_property(
@@ -483,6 +486,7 @@ void paint_all_new(session_t *ps, struct managed_win *t, bool ignore_damage) {
skip:
pixman_region32_fini(&reg_bound);
pixman_region32_fini(&reg_bound_local);
pixman_region32_fini(&reg_bound_no_corner);
pixman_region32_fini(&reg_paint_in_bound);
}
pixman_region32_fini(&reg_paint);