[wxPython-users] Re: Trouble with drawing, I need some ideas :)

[Christopher Barker]

Robin Dunn wrote:
> It creates a new bitmap with all pixels set to black and with a 
> fully transparent alpha:
> 
>     bytes = array.array('B', [0] * width*height*4)
>     bmp = wx.BitmapFromBufferRGBA(width, height, bytes)

It looks handy. Maybe it's time for a new wx.Bitmap constructor:

wx.TransparentBitmap(width, height) # (or some other name)

By the way, what is the performance like drawing (blitting) transparent 
bitmaps with DC (or GC)? It used to be very, very, slow to Draw a masked 
Bitmap to a DC.

-Chris


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Christopher Barker, Ph.D.
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