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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Bitmap-Bresenhams-line-algorithm/ALGOL-68/bitmap-bresenhams-line-algorithm-2.alg Normal file
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@ -0,0 +1,16 @@
#!/usr/bin/a68g --script #
# -*- coding: utf-8 -*- #
PR READ "prelude/Bitmap.a68" PR; # c.f. [[rc:Bitmap]] #
PR READ "prelude/Bitmap/Bresenhams_line_algorithm.a68" PR;
### The test program: ###
test:(
REF IMAGE x = INIT LOC[1:16, 1:16]PIXEL;
(fill OF class image)(x, white OF class image);
(line OF class image)(x, ( 1, 8), ( 8,16), black OF class image);
(line OF class image)(x, ( 8,16), (16, 8), black OF class image);
(line OF class image)(x, (16, 8), ( 8, 1), black OF class image);
(line OF class image)(x, ( 8, 1), ( 1, 8), black OF class image);
(print OF class image)(x)
)