[cairo] problem with scaling images

[Benjamin Berg]

On Mo, 2005-07-11 at 18:58 +0200, Benjamin Berg wrote:
> Hello,
> 
> I am trying to draw scaled images, but somehow they fade out at one
> side, and are placed at the wrong position. For an example see:
> http://benjamin.sipsolutions.net/screenshots/zenity-wrong.png
> as a reference, an old version not rendered with cairo:
> http://benjamin.sipsolutions.net/screenshots/zenity-correct.png
> 
> For example look at the top of the buttons. The line should have full
> opacity everywhere, but at the left it transparent.

Could it be, that the scaling routine just assumes that there is alpha
around the image? I think that would explain the whole thing.

If this is the case, how can I work around it?

Benjamin
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