Add RedDrawable::Format get_format()

This is useful because we can e.g. create pixmaps in the same format as
a window.

1 files changed, 5 insertions, 0 deletions

diff --git a/client/x11/red_window.cpp b/client/x11/red_window.cpp
index 6de86bf2..21567275 100644
--- a/client/x11/red_window.cpp
+++ b/client/x11/red_window.cpp
@@ -1930,6 +1930,11 @@ int RedWindow::get_screen_num()
     return _screen;
 }
 
+RedDrawable::Format RedWindow::get_format()
+{
+  return XPlatform::get_screen_format(_screen);
+}
+
 void RedWindow::set_type_gl()
 {
     PixelsSource_p *pix_source = (PixelsSource_p*)get_opaque();