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Task/Bitmap/Phix/bitmap.phix

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+-- Some colour constants:
+constant black = #000000,
+--       blue  = #0000FF,
+--       green = #00FF00,
+--       red   = #FF0000,
+         white = #FFFFFF
+
+-- Create new image filled with some colour
+function new_image(integer width, integer height, integer fill_colour=black)
+    return repeat(repeat(fill_colour,height),width)
+end function
+
+-- Usage example:
+sequence image = new_image(800,600)
+
+-- Set pixel color:
+image[400][300] = white
+
+-- Get pixel color
+integer colour = image[400][300] -- Now colour is #FF0000