RosettaCodeData/Task/Bitmap-Midpoint-circle-algo.../ALGOL-68/bitmap-midpoint-circle-algo...

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#!/usr/bin/a68g --script #
# -*- coding: utf-8 -*- #
PR READ "prelude/Bitmap.a68" PR;
PR READ "prelude/Bitmap/Bresenhams_line_algorithm.a68" PR;
PR READ "prelude/Bitmap/Midpoint_circle_algorithm.a68" PR;
# The following illustrates use: #
(
REF IMAGE x = INIT LOC [1:16, 1:16] PIXEL;
(fill OF class image)(x, (white OF class image));
(circle OF class image)(x, (8, 8), 5, (black OF class image));
(print OF class image)(x)
)