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Merge pull request #12341 from annando/fix-small-preview
The BlurHash function must not change the original image
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commit
8543174bf1
1 changed files with 11 additions and 9 deletions
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@ -733,25 +733,27 @@ class Image
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*/
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*/
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public function getBlurHash(): string
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public function getBlurHash(): string
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{
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{
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$width = $this->getWidth();
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$image = New Image($this->asString());
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$height = $this->getHeight();
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$width = $image->getWidth();
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$height = $image->getHeight();
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if (max($width, $height) > 90) {
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if (max($width, $height) > 90) {
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$this->scaleDown(90);
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$image->scaleDown(90);
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$width = $this->getWidth();
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$width = $image->getWidth();
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$height = $this->getHeight();
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$height = $image->getHeight();
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}
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}
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$pixels = [];
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$pixels = [];
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for ($y = 0; $y < $height; ++$y) {
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for ($y = 0; $y < $height; ++$y) {
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$row = [];
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$row = [];
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for ($x = 0; $x < $width; ++$x) {
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for ($x = 0; $x < $width; ++$x) {
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if ($this->isImagick()) {
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if ($image->isImagick()) {
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$colors = $this->image->getImagePixelColor($x, $y)->getColor();
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$colors = $image->image->getImagePixelColor($x, $y)->getColor();
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$row[] = [$colors['r'], $colors['g'], $colors['b']];
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$row[] = [$colors['r'], $colors['g'], $colors['b']];
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} else {
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} else {
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$index = imagecolorat($this->image, $x, $y);
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$index = imagecolorat($image->image, $x, $y);
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$colors = @imagecolorsforindex($this->image, $index);
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$colors = @imagecolorsforindex($image->image, $index);
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$row[] = [$colors['red'], $colors['green'], $colors['blue']];
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$row[] = [$colors['red'], $colors['green'], $colors['blue']];
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}
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}
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}
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}
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