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macos: add helper to check if surface is opaque

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This commit is contained in:
Christian Hergert 2022-02-14 02:18:51 -08:00
parent f207402228
commit 3c9687fcf1
2 changed files with 22 additions and 0 deletions
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1
gdk/macos/gdkmacossurface-private.h
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@ -131,6 +131,7 @@ void _gdk_macos_surface_set_opacity (GdkMacosSurface
void _gdk_macos_surface_get_root_coords (GdkMacosSurface *self,
int *x,
int *y);
gboolean _gdk_macos_surface_is_opaque (GdkMacosSurface *self);
G_END_DECLS

21
gdk/macos/gdkmacossurface.c
View File

@ -603,6 +603,27 @@ _gdk_macos_surface_get_shadow (GdkMacosSurface *self,
*right = self->shadow_right;
}
gboolean
_gdk_macos_surface_is_opaque (GdkMacosSurface *self)
{
g_return_val_if_fail (GDK_IS_MACOS_SURFACE (self), FALSE);
if (self->opaque_region != NULL &&
cairo_region_num_rectangles (self->opaque_region) == 1)
{
cairo_rectangle_int_t extents;
cairo_region_get_extents (self->opaque_region, &extents);
return (extents.x == 0 &&
extents.y == 0 &&
extents.width == GDK_SURFACE (self)->width &&
extents.height == GDK_SURFACE (self)->height);
}
return FALSE;
}
const char *
_gdk_macos_surface_get_title (GdkMacosSurface *self)
{