CRIMP
Artifact [d45a90ff7e]
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Artifact d45a90ff7e6694f29d320e973b4630fbfefb1bc5:


crimp_primitive split_rgb {
    image_rgb image
} object0 {
    Tcl_Obj*         list[3];
    const crimp_imagetype* grey = crimp_imagetype_find ("crimp::image::grey8");
    crimp_image*     red;
    crimp_image*     green;
    crimp_image*     blue;
    int              x, y;


    red   = crimp_new_at (grey, crimp_x (image), crimp_y (image),
			        crimp_w (image), crimp_h (image));
    green = crimp_new_at (grey, crimp_x (image), crimp_y (image),
			        crimp_w (image), crimp_h (image));
    blue  = crimp_new_at (grey, crimp_x (image), crimp_y (image),
			        crimp_w (image), crimp_h (image));

    for (y = 0; y < crimp_h (image); y++) {
        for (x = 0; x < crimp_w (image); x++) {

	    /*
	     * Placing the pixels of each color channel into their own images.
	     */

	    GREY8 (red,   x, y) = R (image, x, y);
	    GREY8 (green, x, y) = G (image, x, y);
	    GREY8 (blue,  x, y) = B (image, x, y);
        }
    }

    list [0] = crimp_new_image_obj (red);
    list [1] = crimp_new_image_obj (green);
    list [2] = crimp_new_image_obj (blue);

    return Tcl_NewListObj (3, list);
}

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