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

[Robin Dunn]

Christopher Barker wrote:
> Peter Damoc wrote:
>> I was thinking that almost all drawing is done off-screen and that the 
>> library that does the background drawing is the main reason for 
>> certain performances issues.
>> I didn't imagine that the final blitting to the pdc could be that 
>> costly. :)
> 
> Have you tried anything yet?
> 
> All I know is that with the old DC method, a masked bitmap was 
> apparently a non-native concept, so wx had to loop through all the 
> pixels, check the mask, then draw or not draw the given pixel. 

I think you're thinking of blitting a bitmap on OS X with a logical 
operation other than wx.COPY.  I don't recall any pixel iteration code 
just for masks...

-- 
Robin Dunn
Software Craftsman
http://wxPython.org  Java give you jitters?  Relax with wxPython!