libpng dependency issue

Steven Edwards winehacker at
Sat Feb 6 00:34:31 CST 2010

On Fri, Feb 5, 2010 at 9:54 AM, Vincent Povirk
<madewokherd+8cd9 at> wrote:
> It's supported 32bpp with transparency from the start. The full list
> of supported writing formats is here:
> GUID_WICPixelFormat32bppBGRA is the format you want, I think.
> You probably tried to use a format not on that list, which defaults to
> 24-bit. I'm not sure what the behavior should be in that case.

Thanks, I'll take another look.

> That's odd. Both WIC and winemenubuilder appear to be using BGR for
> 32-bit pixel formats and informing libpng of this . I don't know where
> you could be getting RGB pixels.

It was just a thought, as I said, my understand of the graphics
manipulation is pretty limited, I just assumed that was the problem
due to resulting images. I'll try to give it another shot with this

Steven Edwards

"There is one thing stronger than all the armies in the world, and
that is an idea whose time has come." - Victor Hugo

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