mirror of
https://we.phorge.it/source/phorge.git
synced 2024-11-25 08:12:40 +01:00
de9b00b8be
Summary: Adds an abstract base class for random image generation. Implements a concrete subclass for generating Mondrian-like images.
Test Plan:
{F40759}
{F40760}
{F40761}
{F40762}
{F40763}
Reviewers: DeedyDas, AnhNhan
Reviewed By: AnhNhan
CC: chad, aran
Differential Revision: https://secure.phabricator.com/D5705
68 lines
1.3 KiB
PHP
68 lines
1.3 KiB
PHP
<?php
|
|
|
|
abstract class PhabricatorLipsumArtist {
|
|
|
|
protected function getHSBColor($h, $s, $b) {
|
|
if ($s == 0) {
|
|
$cr = $b;
|
|
$cg = $b;
|
|
$cb = $b;
|
|
} else {
|
|
$h /= 60;
|
|
$i = (int)$h;
|
|
$f = $h - $i;
|
|
$p = $b * (1 - $s);
|
|
$q = $b * (1 - $s * $f);
|
|
$t = $b * (1 - $s * (1 - $f));
|
|
switch ($i) {
|
|
case 0:
|
|
$cr = $b;
|
|
$cg = $t;
|
|
$cb = $p;
|
|
break;
|
|
case 1:
|
|
$cr = $q;
|
|
$cg = $b;
|
|
$cb = $p;
|
|
break;
|
|
case 2:
|
|
$cr = $p;
|
|
$cg = $b;
|
|
$cb = $t;
|
|
break;
|
|
case 3:
|
|
$cr = $p;
|
|
$cg = $q;
|
|
$cb = $b;
|
|
break;
|
|
case 4:
|
|
$cr = $t;
|
|
$cg = $p;
|
|
$cb = $b;
|
|
break;
|
|
default:
|
|
$cr = $b;
|
|
$cg = $p;
|
|
$cb = $q;
|
|
break;
|
|
}
|
|
}
|
|
|
|
$cr = (int)round($cr * 255);
|
|
$cg = (int)round($cg * 255);
|
|
$cb = (int)round($cb * 255);
|
|
|
|
return ($cr << 16) + ($cg << 8) + $cb;
|
|
}
|
|
|
|
public function generate($x, $y) {
|
|
$image = imagecreatetruecolor($x, $y);
|
|
$this->draw($image, $x, $y);
|
|
return PhabricatorImageTransformer::saveImageDataInAnyFormat(
|
|
$image,
|
|
'image/jpeg');
|
|
}
|
|
|
|
abstract protected function draw($image, $x, $y);
|
|
|
|
}
|