Hi,
I'm finding some difficulty in doing in GEM operations that I thought would be trivial, and I think I must be missing something.
For example, i'd like to do the same kind of operations you can do with pix_difference, pix_add and pix_multiply but use a single color as the right operand, as if it was an image of the same size as the left operand with all pixels of the same color.
The only way I can think of, is to use pix_set as the right-operand pix, to use pix_info to retrieve the size of the left image and to repeat the color the needed number of times. Or to use pix_resize to resize the pix_set pix to the size of the other image.
Is there a simpler and more elegant way?
thanks m.
Le 11/04/2011 20:04, Matteo Sisti Sette a écrit :
Hi,
I'm finding some difficulty in doing in GEM operations that I thought would be trivial, and I think I must be missing something.
For example, i'd like to do the same kind of operations you can do with pix_difference, pix_add and pix_multiply but use a single color as the right operand, as if it was an image of the same size as the left operand with all pixels of the same color.
The only way I can think of, is to use pix_set as the right-operand pix, to use pix_info to retrieve the size of the left image and to repeat the color the needed number of times. Or to use pix_resize to resize the pix_set pix to the size of the other image.
Is there a simpler and more elegant way?
use shaders...
c
thanks m.
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cyrille henry -
Matteo Sisti Sette