bitPickups/friendica_2019-12_sharedHosting_hotFix
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Merge pull request #12341 from annando/fix-small-preview

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The BlurHash function must not change the original image
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Philipp 2022-12-05 21:45:37 +01:00 committed by GitHub
parent 38fa76d6b5 a260e97b6f
commit 8543174bf1
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1 changed files with 11 additions and 9 deletions
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20
src/Object/Image.php
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@ -733,25 +733,27 @@ class Image
*/
public function getBlurHash(): string
{
$width = $this->getWidth();
$height = $this->getHeight();
$image = New Image($this->asString());
$width = $image->getWidth();
$height = $image->getHeight();
if (max($width, $height) > 90) {
$this->scaleDown(90);
$width = $this->getWidth();
$height = $this->getHeight();
$image->scaleDown(90);
$width = $image->getWidth();
$height = $image->getHeight();
}
$pixels = [];
for ($y = 0; $y < $height; ++$y) {
$row = [];
for ($x = 0; $x < $width; ++$x) {
if ($this->isImagick()) {
$colors = $this->image->getImagePixelColor($x, $y)->getColor();
if ($image->isImagick()) {
$colors = $image->image->getImagePixelColor($x, $y)->getColor();
$row[] = [$colors['r'], $colors['g'], $colors['b']];
} else {
$index = imagecolorat($this->image, $x, $y);
$colors = @imagecolorsforindex($this->image, $index);
$index = imagecolorat($image->image, $x, $y);
$colors = @imagecolorsforindex($image->image, $index);
$row[] = [$colors['red'], $colors['green'], $colors['blue']];
}
}