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Stop using the root window in gdk_window_create_similar_image_surface

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Just create a plain image surface if we don't get a window.
This should work just fine and lets us drop another implicit
use of the root window.
This commit is contained in:
Matthias Clasen 2017-11-05 19:30:54 -05:00
parent de83fc48bf
commit c08a6a062f
1 changed files with 12 additions and 9 deletions
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21
gdk/gdkwindow.c
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@ -6016,20 +6016,23 @@ gdk_window_create_similar_image_surface (GdkWindow * window,
int height,
int scale)
{
GdkWindowImplClass *impl_class;
cairo_surface_t *window_surface, *surface;
cairo_surface_t *surface;
g_return_val_if_fail (window ==NULL || GDK_IS_WINDOW (window), NULL);
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
if (window == NULL)
window = gdk_display_get_root_window (gdk_display_get_default ());
impl_class = GDK_WINDOW_IMPL_GET_CLASS (window->impl);
if (impl_class->create_similar_image_surface)
surface = impl_class->create_similar_image_surface (window, format, width, height);
{
surface = cairo_image_surface_create (format, width, height);
}
else if (GDK_WINDOW_IMPL_GET_CLASS (window->impl)->create_similar_image_surface)
{
surface =
GDK_WINDOW_iMPL_GET_CLASS (window->impl)->create_similar_image_surface (window, format, width, height);
}
else
{
cairo_surface_t *window_surface;
window_surface = gdk_window_ref_impl_surface (window);
surface =
cairo_surface_create_similar_image (window_surface,