gdk: Add gdk_window_has_alpha helper
authorAlexander Larsson <alexl@redhat.com>
Wed, 7 Nov 2012 11:57:38 +0000 (12:57 +0100)
committerAlexander Larsson <alexl@redhat.com>
Fri, 9 Nov 2012 09:08:22 +0000 (10:08 +0100)
commit8a40d8fe2a756763e4370c45c0abc0ed641636df
treea9bc6e0c04bfd10e34da72b611f5e83c029ef3b6
parentc94002f8c0af429d57b0e4988f18909db98760fd
gdk: Add gdk_window_has_alpha helper

This centralizes the current checks for has_alpha_bg, which
lets us extend the check later.

https://bugzilla.gnome.org/show_bug.cgi?id=687842
gdk/gdkwindow.c