[Bug 22315] New: Notification tray icons using solid rather than transparent background colors

http://bugs.winehq.org/show_bug.cgi?id=22315

Summary: Notification tray icons using solid rather than
                    transparent background colors
           Product: Wine
           Version: 1.1.42
          Platform: x86
               URL: https://bugs.launchpad.net/ubuntu/+source/banshee/+bug
                    /403135?comments=all
        OS/Version: Linux
            Status: NEW
          Keywords: integration
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
> From a large bug report on launchpad affecting many apps:

https://bugs.launchpad.net/ubuntu/+source/banshee/+bug/403135?comments=all

Essentially, tray icons are being drawn with non-transparent backgrounds.  This
is usually from setting their (not always correct) color to bg_color rather
than just transparent.

http://launchpadlibrarian.net/41246531/screen.png  is a screenshot showing
Spotify (and a few other, non-Wine apps) using the wrong background in the
system tray.