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Add a basic random image generator
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
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5943ae4670
commit
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4 changed files with 125 additions and 6 deletions
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@ -1037,8 +1037,10 @@ phutil_register_library_map(array(
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'PhabricatorLDAPUnknownUserException' => 'applications/auth/ldap/PhabricatorLDAPUnknownUserException.php',
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'PhabricatorLDAPUnlinkController' => 'applications/auth/controller/PhabricatorLDAPUnlinkController.php',
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'PhabricatorLintEngine' => 'infrastructure/lint/PhabricatorLintEngine.php',
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'PhabricatorLipsumArtist' => 'applications/lipsum/image/PhabricatorLipsumArtist.php',
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'PhabricatorLipsumGenerateWorkflow' => 'applications/lipsum/management/PhabricatorLipsumGenerateWorkflow.php',
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'PhabricatorLipsumManagementWorkflow' => 'applications/lipsum/management/PhabricatorLipsumManagementWorkflow.php',
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'PhabricatorLipsumMondrianArtist' => 'applications/lipsum/image/PhabricatorLipsumMondrianArtist.php',
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'PhabricatorLiskDAO' => 'infrastructure/storage/lisk/PhabricatorLiskDAO.php',
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'PhabricatorLocalDiskFileStorageEngine' => 'applications/files/engine/PhabricatorLocalDiskFileStorageEngine.php',
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'PhabricatorLocalTimeTestCase' => 'view/__tests__/PhabricatorLocalTimeTestCase.php',
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@ -2739,6 +2741,7 @@ phutil_register_library_map(array(
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'PhabricatorLintEngine' => 'PhutilLintEngine',
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'PhabricatorLipsumGenerateWorkflow' => 'PhabricatorLipsumManagementWorkflow',
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'PhabricatorLipsumManagementWorkflow' => 'PhutilArgumentWorkflow',
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'PhabricatorLipsumMondrianArtist' => 'PhabricatorLipsumArtist',
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'PhabricatorLiskDAO' => 'LiskDAO',
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'PhabricatorLocalDiskFileStorageEngine' => 'PhabricatorFileStorageEngine',
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'PhabricatorLocalTimeTestCase' => 'PhabricatorTestCase',
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@ -104,7 +104,7 @@ final class PhabricatorImageTransformer {
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$x,
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$scaled_y);
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return $this->saveImageDataInAnyFormat($img, $file->getMimeType());
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return self::saveImageDataInAnyFormat($img, $file->getMimeType());
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}
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private function crasslyCropTo(PhabricatorFile $file, $top, $left, $w, $h) {
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@ -126,7 +126,7 @@ final class PhabricatorImageTransformer {
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$w, $h,
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$orig_w, $orig_h);
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return $this->saveImageDataInAnyFormat($dst, $file->getMimeType());
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return self::saveImageDataInAnyFormat($dst, $file->getMimeType());
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}
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@ -141,7 +141,7 @@ final class PhabricatorImageTransformer {
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}
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$dst = $this->applyScaleTo($file, $dx, $dy);
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return $this->saveImageDataInAnyFormat($dst, $file->getMimeType());
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return self::saveImageDataInAnyFormat($dst, $file->getMimeType());
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}
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private function getBlankDestinationFile($dx, $dy) {
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@ -254,7 +254,7 @@ final class PhabricatorImageTransformer {
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$sdx, $sdy,
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$x, $y);
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return $this->saveImageDataInAnyFormat($dst, $file->getMimeType());
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return self::saveImageDataInAnyFormat($dst, $file->getMimeType());
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}
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private function applyMemeTo(
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@ -314,7 +314,7 @@ final class PhabricatorImageTransformer {
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break;
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}
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}
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return $this->saveImageDataInAnyFormat($img, $file->getMimeType());
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return self::saveImageDataInAnyFormat($img, $file->getMimeType());
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}
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private function makeImageWithTextBorder($img, $font_size, $x, $y,
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@ -352,7 +352,7 @@ final class PhabricatorImageTransformer {
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);
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}
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private function saveImageDataInAnyFormat($data, $preferred_mime = '') {
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public static function saveImageDataInAnyFormat($data, $preferred_mime = '') {
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switch ($preferred_mime) {
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case 'image/gif': // Gif doesn't support true color
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case 'image/png':
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68
src/applications/lipsum/image/PhabricatorLipsumArtist.php
Normal file
68
src/applications/lipsum/image/PhabricatorLipsumArtist.php
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@ -0,0 +1,68 @@
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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, $y);
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}
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@ -0,0 +1,48 @@
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<?php
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final class PhabricatorLipsumMondrianArtist extends PhabricatorLipsumArtist {
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protected function draw($image, $x, $y) {
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$c_white = 0xFFFFFF;
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$c_black = 0x000000;
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imagefill($image, 0, 0, $c_white);
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$lines_h = mt_rand(2, 5);
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$lines_v = mt_rand(2, 5);
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for ($ii = 0; $ii < $lines_h; $ii++) {
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$yp = mt_rand(0, $y);
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$thickness = mt_rand(2, 3);
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for ($jj = 0; $jj < $thickness; $jj++) {
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imageline($image, 0, $yp + $jj, $x, $yp + $jj, $c_black);
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}
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}
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for ($ii = 0; $ii < $lines_v; $ii++) {
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$xp = mt_rand(0, $x);
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$thickness = mt_rand(2, 3);
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for ($jj = 0; $jj < $thickness; $jj++) {
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imageline($image, $xp + $jj, 0, $xp + $jj, $y, $c_black);
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}
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}
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$fills = mt_rand(3, 8);
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for ($ii = 0; $ii < $fills; $ii++) {
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$xp = mt_rand(0, $x);
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$yp = mt_rand(0, $y);
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if (imagecolorat($image, $xp, $yp) != $c_white) {
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continue;
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}
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$c_fill = $this->getHSBColor(
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mt_rand(0, 359),
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mt_rand(80, 100) / 100,
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mt_rand(90, 100) / 100);
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imagefill($image, $xp, $yp, $c_fill);
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}
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}
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}
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