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Merge pull request #7022 from sanderha/fix-gd-rotate-png-transparency

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keep PNG transparancy on GDBackend::rotatePixelByPixel
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Loz Calver 2017-06-15 14:38:10 +01:00 committed by GitHub
commit d1ed92ad26
1 changed files with 1 additions and 0 deletions
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filesystem/GD.php
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@ -321,6 +321,7 @@ class GDBackend extends Object implements Image_Backend {
} }
$rotate=imagecreatetruecolor($destWidth,$destHeight); $rotate=imagecreatetruecolor($destWidth,$destHeight);
imagealphablending($rotate, false); imagealphablending($rotate, false);
imagesavealpha($rotate, true); // to maintain PNG transparency
for ($x = 0; $x < ($sourceWidth); $x++) { for ($x = 0; $x < ($sourceWidth); $x++) {
for ($y = 0; $y < ($sourceHeight); $y++) { for ($y = 0; $y < ($sourceHeight); $y++) {
$color = imagecolorat($this->gd, $x, $y); $color = imagecolorat($this->gd, $x, $y);