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Re: [pygame] Python extensions.

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On Friday 28 March 2003 18:45, Arturo Espinosa Aldama wrote:
> Hey, what's up?
>
> I'd like to code a very small extension in C that takes two surfaces, src
> and dest, and blits src into dest, but only where the pixels of dest have
> a given color. The reason is that Numeric isn't flexible enough to do this
> in an efficient way, and I think it would be really easy to write this
> code.
> [...]

Have you tried (somewhat pseudo-codeish):

temp1 = N.equal(N.ones(dest.shape) * color, dest)
return N.logical_or(temp1 * src, dest)

(temp1 is 1 where dest has the desired color, 0 otherwise. The logical or 
return pixels from src iff temp1 is 1. Otherwise, the pixels from dest are 
preserved)

[]s,

- -- 
Fábio "ctg \pi" Dias Moreira
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