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Ingy döt Net 2023-07-01 11:58:00 -04:00
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/* Declaration for an image, suitable for BMP files. */
declare image(0:500, 0:500) bit (24) aligned;
image = '000000000000000011111111'b;
/* Sets the entire image to red. */
image(10,40) = '111111110000000000000000'b;
/* Sets one pixel to blue. */
declare color bit (24) aligned;
color = image(20,50); /* Obtain the color of a pixel */
/* To allocate an image of size (x,y) */
allocate_image: procedure (image, x, y);
declare image (*, *) controlled bit (24) aligned;
declare (x, y) fixed binary (31);
allocate image (0:x, 0:y);
end allocate_image;
/* To use the above procedure, it's necessary to define */
/* the image in the calling program thus, for BMP images: */
declare image(*,*) controlled bit (24) aligned;