[Mono-dev] Transparency from GIF files does not show up in BitmapData
sebastien.pouliot at gmail.com
Mon Mar 3 16:19:25 EST 2008
On Tue, 2008-02-26 at 15:20 +0000, Christian Stümpel wrote:
> Hi everybody ,
> since I got no reply I post this again. Please help...
Please fill a bug report and attach both your code and your GIF image.
> my program analyzes System.Drawing.Bitmaps. Many pixel formats (all-
> non indexed, some indexed) work fine, but in BitmapData of Bitmaps
> from GIF image files which use transparent color I cannot find the
> transparency information anywhere. From the source code I guessed
> that the transparent index would get transformed into an ColorPalette
> entry which has the alpha component set correctly. But all palette
> entries are opaque.
> A problem with the GIF decoder maybe? Any ideas?
> Christian Stuempel
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