News123 <news...@free.fr> wrote: > >I created a grayscale image with PIL. > >Now I would like to write a C function, which reads a;most all pixels >and will modify a few of them. > >My current approach is: >- transform the image to a string() >- create a byte array huge enough to contain the resulting image >- call my c_function, which copies over the entire image in order > to modify a few pixels >How can I achieve this with the least amount of copies?
If it were me, I'd be tempted to go peek at the source code for PIL, then pass the Image object to my C routine and poke at the innards to find the buffer with the pixels. -- Tim Roberts, t...@probo.com Providenza & Boekelheide, Inc. -- http://mail.python.org/mailman/listinfo/python-list
