Thank you both for the replies. There is some urgent stuff at work right
now, but I'll test more later and report what I found out.
Cheers.
Danny Kodicek написа:
I have BitmapData A and BitmapData B;
Is there a fast routine that from every pixel in A will
subtract the color of the coresponding pixel in B?
I'm looking for a solution using the built-in BitmapData
functions, since a manual looop on every pixel will be
somewhat intensive (even if I use the getPixels>loop
ByteArray>setPixels hack to set the pixels, instead of a
setPixel() loop);
Interestingly, in Director this is easy using copyPixels and the #subtract
ink, so as the BitmapData object is essentially an updating of Director's
Image object, I'd have expected the same routine to be available in Flash.
Is there some undocumented parameter of the copyPixels function?
Danny
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