[webkit-gtk] Alpha channel problem in pixel-tests.

Martin Robinson mrobinson at webkit.org
Sun Jun 12 15:52:48 PDT 2011

On Sun, Jun 12, 2011 at 7:06 AM, Young Han Lee <joybro at company100.net> wrote:
> I'm trying to run pixel-tests on Gtk port, but almost all of the tests which
> have expected-png-file are failing with the following error message.
> "Error, test and reference image have different properties."
> After some digging, I found that it is caused by the difference in the alpha
> channel between the actualImage and the baselineImage. The baselineImage has
> an alpha channel, but the actual image hasn't.
> I tested this on my ubuntu desktop(10.10 x64) using Gtk port built with
> default settings.

Do you have compositing enabled? Perhaps we need to force the widget
to have an alpha channel somehow. :/


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