[Mono-bugs] [Bug 457138] libgdiplus PNG decoder darkens partially transparent pixels

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https://bugzilla.novell.com/show_bug.cgi?id=457138

User spouliot at novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=457138#c3


Sebastien Pouliot <spouliot at novell.com> changed:

           What    |Removed                                         |Added
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                 CC|                                                |spouliot at novell.com




--- Comment #3 from Sebastien Pouliot <spouliot at novell.com>  2008-12-08 06:53:17 MST ---
The patch is wrong. Cairo needs pre-multiplied data to display images
correctly. Removing this code will mis-display PNG images. The problem is that
the reverse operation needs to be done when saving back the image.


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