mirror of https://github.com/BOINC/boinc.git
95 lines
2.3 KiB
PHP
95 lines
2.3 KiB
PHP
<?php
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// Generate image files and answer files for Bossa example
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// Usage:
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//
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// bossa_example_make_files.php options
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// --nfiles N how many files to create
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// --dir dir where to put them (e.g., ../user/example)
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// --ellipse_frac X fraction of images with ellipses
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require_once("../inc/util_basic.inc");
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function rand_color($im, $range) {
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$mid = 200;
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$lo = $mid - $range;
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$hi = $mid + $range;
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return imagecolorallocate($im, rand($lo,$hi), rand($lo,$hi), rand($lo,$hi));
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}
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function add_ellipse($im, $case) {
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imagefilledellipse(
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$im, $case->cx, $case->cy, $case->w, $case->h, rand_color($im, 50)
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);
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}
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function add_rect($im) {
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$cx = rand(-100, 600);
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$cy = rand(-100, 400);
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$w = rand(50, 100);
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$h = rand(50, 100);
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imagefilledrectangle($im, $cx, $cy, $cx+$w, $cy+$h, rand_color($im, 50));
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}
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function make_image($case) {
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$im = imagecreatetruecolor(600, 400);
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imagefill($im, 0, 0, imagecolorallocate($im, 255, 255, 255));
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for ($i=0; $i<400; $i++) {
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add_rect($im);
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}
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$im2 = imagecreatetruecolor(600, 400);
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imagefill($im2, 0, 0, rand_color($im2, 0));
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if ($case->have_ellipse) {
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add_ellipse($im2, $case);
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}
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imagecopymerge($im, $im2, 0, 0, 0, 0, 600, 400, 30);
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return $im;
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}
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function make_test_case($ellipse_frac) {
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$case = null;
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$case->have_ellipse = drand() < $ellipse_frac;
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if ($case->have_ellipse) {
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$case->cx = rand(50, 550);
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$case->cy = rand(50, 350);
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$case->w = rand(50, 100);
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$case->h = rand(50, 100);
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}
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return $case;
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}
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function usage() {
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global $argv;
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exit("Usage: ".$argv[0]." --nfiles N --dir dir [--ellipse_frac x]\n");
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}
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$nfiles = 0;
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$dir = null;
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$ellipse_frac = 0.5;
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for ($i=1; $i<$argc; $i++) {
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if ($argv[$i] == '--nfiles') $nfiles = $argv[++$i];
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elseif ($argv[$i] == '--dir') $dir = $argv[++$i];
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elseif ($argv[$i] == '--ellipse_frac') $ellipse_frac = $argv[++$i];
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else usage();
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}
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if (!$nfiles || !$dir) usage();
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$dir = "../user/$dir";
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if (!is_dir($dir)) {
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exit("$dir is not a directory\n");
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}
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for ($i=0; $i<$nfiles; $i++) {
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$path = "$dir/$i.png";
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$anspath = "$dir/$i.ans";
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$case = make_test_case($ellipse_frac);
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$f = fopen($anspath, 'w');
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fwrite($f, serialize($case));
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fclose(f);
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imagepng(make_image($case), $path);
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}
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?>
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