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<?php |
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/** |
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* This file is part of the Ghostscript package |
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* |
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* @author Daniel Schröder <[email protected]> |
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*/ |
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namespace GravityMedia\Ghostscript\Device\DistillerParameters; |
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/** |
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* The page compression distiller parameters trait. |
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* |
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* @package GravityMedia\Ghostscript\Device\DistillerParameters |
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* |
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* @link http://ghostscript.com/doc/current/Ps2pdf.htm |
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*/ |
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trait PageCompressionTrait |
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{ |
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/** |
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* Get argument value |
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* |
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* @param string $name |
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* |
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* @return null|string |
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*/ |
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abstract protected function getArgumentValue($name); |
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/** |
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* Set argument |
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* |
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* @param string $argument |
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* |
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* @return $this |
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*/ |
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abstract protected function setArgument($argument); |
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/** |
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* Whether to compress pages |
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* |
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* @return bool |
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*/ |
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public function isCompressPages() |
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{ |
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$value = $this->getArgumentValue('-dCompressPages'); |
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if (null === $value) { |
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return true; |
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} |
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return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
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} |
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/** |
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* Set compress pages flag |
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* |
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* @param true $compressPages |
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* |
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* @return $this |
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*/ |
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public function setCompressPages($compressPages) |
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{ |
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$this->setArgument(sprintf('-dCompressPages=%s', $compressPages ? 'true' : 'false')); |
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return $this; |
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} |
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/** |
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* Whether to LZW encode pages |
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* |
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* @return bool |
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*/ |
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public function isLzwEncodePages() |
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{ |
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$value = $this->getArgumentValue('-dLZWEncodePages'); |
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if (null === $value) { |
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return false; |
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} |
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return filter_var($value, FILTER_VALIDATE_BOOLEAN); |
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} |
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/** |
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* Set LZW encode pages flag |
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* |
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* @param string $lzwEncodePages |
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* |
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* @return $this |
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*/ |
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public function setLzwEncodePages($lzwEncodePages) |
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{ |
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$this->setArgument(sprintf('-dLZWEncodePages=%s', $lzwEncodePages ? 'true' : 'false')); |
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return $this; |
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} |
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} |
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GravityMedia /
Ghostscript
