Re: [Pysdl-devel] Comparison of blit speed by file format

[David C. <D. C. <si...@te...>]

Mark Baker writes (referring to the differences in blit speed between
PNGs and BMPs):

 > 
 > I'm willing to bet that the speed difference in the blit, is due to the fact
 > that surfaces aren't in the same format as the video surface before you blit.
 > The blit function converts them at runtime, if it's not in the same format.
 > 
 > 
 > Try changing
 > src = sdl.image_load("./happy.png")
 > to
 > src = sdl.image_load("./happy.png").convert(fb, sdl.SWSURFACE)
 > 
 > To be fair, you'll want to do it to the BMP, too. This should give comparable
 > figures.
 > 

Wow! Not only did that make the PNG and BMP times the same, it cut
them by about 40%! Very nice. Thanks for your help.

Preliminary SDL documentation:
http://www3.telus.net/futility/futility/docs/pysdl/index.html

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