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69 lines
1.3 KiB
PHP
69 lines
1.3 KiB
PHP
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<?php
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abstract class PhabricatorLipsumArtist {
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protected function getHSBColor($h, $s, $b) {
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if ($s == 0) {
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$cr = $b;
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$cg = $b;
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$cb = $b;
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} else {
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$h /= 60;
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$i = (int)$h;
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$f = $h - $i;
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$p = $b * (1 - $s);
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$q = $b * (1 - $s * $f);
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$t = $b * (1 - $s * (1 - $f));
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switch ($i) {
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case 0:
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$cr = $b;
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$cg = $t;
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$cb = $p;
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break;
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case 1:
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$cr = $q;
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$cg = $b;
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$cb = $p;
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break;
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case 2:
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$cr = $p;
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$cg = $b;
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$cb = $t;
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break;
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case 3:
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$cr = $p;
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$cg = $q;
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$cb = $b;
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break;
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case 4:
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$cr = $t;
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$cg = $p;
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$cb = $b;
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break;
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default:
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$cr = $b;
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$cg = $p;
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$cb = $q;
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break;
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}
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}
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$cr = (int)round($cr * 255);
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$cg = (int)round($cg * 255);
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$cb = (int)round($cb * 255);
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return ($cr << 16) + ($cg << 8) + $cb;
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}
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public function generate($x, $y) {
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$image = imagecreatetruecolor($x, $y);
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$this->draw($image, $x, $y);
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return PhabricatorImageTransformer::saveImageDataInAnyFormat(
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$image,
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'image/jpeg');
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}
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abstract protected function draw($image, $x, $y);
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}
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