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<?php |
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declare(strict_types = 1); |
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namespace Imagecow\Adapters; |
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use Imagick; |
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use ImagickPixel; |
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use Imagecow\ImageException; |
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/** |
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* Imagick library. |
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*/ |
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final class ImagickAdapter implements AdapterInterface |
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{ |
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use CommonTrait; |
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private $image; |
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public static function checkCompatibility(): bool |
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{ |
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return extension_loaded('imagick'); |
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} |
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public static function createFromFile(string $filename): AdapterInterface |
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{ |
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$imagick = new Imagick(); |
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if ($imagick->readImage($filename) !== true) { |
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throw new ImageException("The image file '{$filename}' cannot be loaded"); |
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} |
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return new static($imagick); |
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} |
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public static function createFromString(string $string): AdapterInterface |
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{ |
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$imagick = new Imagick(); |
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$imagick->readImageBlob($string); |
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return new static($imagick); |
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} |
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public function __construct(Imagick $image) |
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{ |
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$this->image = $image; |
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//Convert CMYK to RGB |
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if ($this->image->getImageColorspace() !== Imagick::COLORSPACE_CMYK) { |
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return $this; |
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} |
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$profiles = $this->image->getImageProfiles('*', false); |
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if (array_search('icc', $profiles) === false) { |
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$this->image->profileImage('icc', file_get_contents(__DIR__.'/icc/us_web_uncoated.icc')); |
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} |
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$this->image->profileImage('icm', file_get_contents(__DIR__.'/icc/srgb.icm')); |
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$this->image->transformImageColorspace(Imagick::COLORSPACE_SRGB); |
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} |
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public function __destruct() |
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{ |
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$this->image->destroy(); |
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} |
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public function flip() |
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{ |
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if ($this->image->flipImage() !== true) { |
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throw new ImageException('There was an error on flip the image'); |
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} |
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} |
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public function flop() |
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{ |
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if ($this->image->flopImage() !== true) { |
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throw new ImageException('There was an error on flop the image'); |
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} |
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} |
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public function save(string $filename) |
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{ |
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$image = $this->getCompressed(); |
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if ($this->animated) { |
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if (!($fp = fopen($filename, 'w'))) { |
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throw new ImageException("The image file '{$filename}' cannot be saved"); |
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} |
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$image->writeImagesFile($fp); |
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fclose($fp); |
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} elseif (!$image->writeImage($filename)) { |
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throw new ImageException("The image file '{$filename}' cannot be saved"); |
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} |
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} |
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public function getImage(): Imagick |
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{ |
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return $this->image; |
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} |
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public function getString(): string |
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{ |
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$image = $this->getCompressed(); |
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if (!$this->animated) { |
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return $image->getImageBlob(); |
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} |
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if (!($fp = fopen($file = tempnam(sys_get_temp_dir(), 'imagick'), 'w'))) { |
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throw new ImageException('Cannot create a temp file to generate the string data image'); |
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} |
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$image->writeImagesFile($fp); |
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fclose($fp); |
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$string = file_get_contents($file); |
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unlink($file); |
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return $string; |
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} |
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public function getMimeType(): string |
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{ |
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$format = strtolower($this->image->getImageFormat()); |
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if (in_array($format, ['jpeg', 'jpg', 'gif', 'png', 'webp'], true)) { |
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return "image/$format"; |
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} |
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} |
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public function getWidth(): int |
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{ |
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if ($this->animated) { |
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return $this->image->coalesceImages()->getImageWidth(); |
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} else { |
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return $this->image->getImageWidth(); |
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} |
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} |
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public function getHeight(): int |
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{ |
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if ($this->animated) { |
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return $this->image->coalesceImages()->getImageHeight(); |
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} else { |
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return $this->image->getImageHeight(); |
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} |
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} |
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public function format(string $format): string |
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{ |
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if (preg_match('/jpe?g/i', $format)) { |
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list($r, $g, $b) = $this->background; |
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$this->image->setImageBackgroundColor("rgb($r,$g,$b)"); |
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$this->image = $this->image->mergeImageLayers(Imagick::LAYERMETHOD_FLATTEN); |
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} |
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if ($this->image->setImageFormat($format) !== true) { |
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throw new ImageException("The image format '{$format}' is not valid"); |
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} |
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} |
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public function resize(int $maxWidth, int $maxHeight) |
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{ |
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if ($this->animated) { |
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$this->image = $this->image->coalesceImages(); |
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foreach ($this->image as $frame) { |
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$frame->scaleImage($maxWidth, $maxHeight); |
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} |
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$this->image = $this->image->deconstructImages(); |
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} else { |
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if ($this->image->scaleImage($maxWidth, $maxHeight) !== true) { |
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throw new ImageException('There was an error resizing the image'); |
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} |
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$this->image->setImagePage(0, 0, 0, 0); |
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} |
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} |
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public function getCropOffsets(int $width, int $height, string $method): array |
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{ |
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$class = 'Imagecow\\Crops\\'.ucfirst(strtolower($method)); |
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if (!class_exists($class)) { |
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throw new ImageException("The crop method '$method' is not available for Imagick"); |
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} |
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return $class::getOffsets($this->image, $width, $height); |
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} |
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public function crop(int $width, int $height, int $x, int $y) |
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{ |
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if ($this->animated) { |
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$this->image = $this->image->coalesceImages(); |
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foreach ($this->image as $frame) { |
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$frame->cropImage($width, $height, $x, $y); |
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$frame->setImagePage(0, 0, 0, 0); |
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} |
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$this->image = $this->image->deconstructImages(); |
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} else { |
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if ($this->image->cropImage($width, $height, $x, $y) !== true) { |
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throw new ImageException('There was an error cropping the image'); |
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} |
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$this->image->setImagePage(0, 0, 0, 0); |
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} |
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} |
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public function rotate(int $angle) |
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{ |
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if ($this->image->rotateImage(new ImagickPixel('#FFFFFF'), $angle) !== true) { |
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throw new ImageException('There was an error rotating the image'); |
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} |
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$this->image->setImagePage(0, 0, 0, 0); |
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} |
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public function blur(int $loops) |
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{ |
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$width = $this->getWidth(); |
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$height = $this->getHeight(); |
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$this->resize($width / 5, $height / 5); |
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for ($i = 0; $i < $loops; $i++) { |
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$this->image->blurImage(5, 100); |
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} |
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$this->resize($width, $height); |
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$this->image->blurImage(10, 100); |
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} |
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/** |
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* Returns a copy of the image compressed and ready to save or print. |
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*/ |
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private function getCompressed(): Imagick |
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{ |
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$image = $this->image; |
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if ($this->animated) { |
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$image = $image->coalesceImages(); |
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foreach ($image as $frame) { |
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$frame->stripImage(); |
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$frame->setImageUnits(1); |
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$frame->setImageCompressionQuality($this->quality); |
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} |
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return $image->deconstructImages(); |
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} |
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$format = strtolower($image->getImageFormat()); |
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$image->stripImage(); |
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$image->setImageUnits(1); |
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$image->setImageCompressionQuality($this->quality); |
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switch ($format) { |
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case 'jpeg': |
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$image->setInterlaceScheme(Imagick::INTERLACE_JPEG); |
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$image->setImageCompression(Imagick::COMPRESSION_JPEG); |
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break; |
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case 'gif': |
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$image->setInterlaceScheme(Imagick::INTERLACE_GIF); |
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break; |
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case 'png': |
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$image->setInterlaceScheme(Imagick::INTERLACE_PNG); |
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break; |
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} |
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return $image; |
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} |
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public function watermark(LibInterface $image, $x, $y) |
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{ |
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if (!($image instanceof self)) { |
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$image = self::createFromString($image->getString()); |
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} |
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$this->image->compositeImage($image->getImage(), Imagick::COMPOSITE_DISSOLVE, $x, $y); |
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} |
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public function opacity(int $opacity) |
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{ |
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if ($opacity >= 100 || $opacity < 0) { |
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return; |
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} |
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if ($this->image->getImageAlphaChannel() !== Imagick::ALPHACHANNEL_ACTIVATE) { |
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$this->image->setImageAlphaChannel(Imagick::ALPHACHANNEL_OPAQUE); |
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} |
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// NOTE: Using setImageOpacity will destroy current alpha channels! |
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$this->image->evaluateImage(Imagick::EVALUATE_MULTIPLY, $opacity / 100, Imagick::CHANNEL_ALPHA); |
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} |
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public function setProgressive(bool $progressive) |
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{ |
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if ($progressive) { |
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$this->image->setInterlaceScheme(Imagick::INTERLACE_PLANE); |
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} else { |
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$this->image->setInterlaceScheme(Imagick::INTERLACE_NO); |
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} |
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} |
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} |
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