chickadee » leptonica » pix-combine-masked

pix-combine-masked pix-d pix-s pix-mprocedure

Modifies pix-d in place. Each pixel in pix-d corresponding to a set pixel in the mask pix-m is set to that pixel's value from pix-s. pix-d and pix-s must be equivalent in pixel depth. The three images are aligned to the top-left corner, stopping when outside the intersection of three images. Returns 0 if OK or 1 if error.