[wxPython-users] wx.AlphaPixelData question

Kevin Ollivier kevino at theolliviers.com
Thu Feb 1 16:32:55 PST 2007


Hi Danny,

On Feb 1, 2007, at 10:58 AM, Danny Shevitz wrote:

> Howdy,
>
> I have used img2py to create a bitmap. I am now trying to  
> manipulate it using raw bitmap access. wx.AlphaPixelData is
> dying, telling me I have the wrong kind of Bitmap. I'm pretty sure  
> my original .bmp file was a three color bitmap, with no
> alpha. Is there any way to work around this. I have found  
> wx.AlphaPixelData to be completely undocumented at wxPython (or
> wxWidgets).

Use wx.NativePixelData instead. wx.AlphaPixelData is specifically for  
bitmaps with alpha information in them.

Regards,

Kevin

> I am enclosing a minimal code example that demonstrates the problem.
>
> TIA,
> Danny
> <BitmapAccessTest.py>
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