[7265] | 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | * This file is part of the Assetic package, an OpenSky project. |
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| 5 | * |
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| 6 | * (c) 2010-2012 OpenSky Project Inc |
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| 7 | * |
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| 8 | * For the full copyright and license information, please view the LICENSE |
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| 9 | * file that was distributed with this source code. |
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| 10 | */ |
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| 11 | |
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| 12 | namespace Assetic\Filter; |
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| 13 | |
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| 14 | use Assetic\Asset\AssetInterface; |
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| 15 | use Assetic\Exception\FilterException; |
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| 16 | use Symfony\Component\Process\ProcessBuilder; |
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| 17 | |
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| 18 | /** |
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| 19 | * Runs assets through jpegtran. |
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| 20 | * |
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| 21 | * @link http://jpegclub.org/jpegtran/ |
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| 22 | * @author Kris Wallsmith <kris.wallsmith@gmail.com> |
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| 23 | */ |
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| 24 | class JpegtranFilter implements FilterInterface |
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| 25 | { |
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| 26 | const COPY_NONE = 'none'; |
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| 27 | const COPY_COMMENTS = 'comments'; |
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| 28 | const COPY_ALL = 'all'; |
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| 29 | |
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| 30 | private $jpegtranBin; |
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| 31 | private $optimize; |
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| 32 | private $copy; |
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| 33 | private $progressive; |
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| 34 | private $restart; |
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| 35 | |
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| 36 | /** |
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| 37 | * Constructor. |
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| 38 | * |
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| 39 | * @param string $jpegtranBin Path to the jpegtran binary |
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| 40 | */ |
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| 41 | public function __construct($jpegtranBin = '/usr/bin/jpegtran') |
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| 42 | { |
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| 43 | $this->jpegtranBin = $jpegtranBin; |
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| 44 | } |
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| 45 | |
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| 46 | public function setOptimize($optimize) |
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| 47 | { |
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| 48 | $this->optimize = $optimize; |
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| 49 | } |
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| 50 | |
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| 51 | public function setCopy($copy) |
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| 52 | { |
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| 53 | $this->copy = $copy; |
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| 54 | } |
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| 55 | |
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| 56 | public function setProgressive($progressive) |
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| 57 | { |
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| 58 | $this->progressive = $progressive; |
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| 59 | } |
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| 60 | |
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| 61 | public function setRestart($restart) |
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| 62 | { |
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| 63 | $this->restart = $restart; |
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| 64 | } |
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| 65 | |
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| 66 | public function filterLoad(AssetInterface $asset) |
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| 67 | { |
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| 68 | } |
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| 69 | |
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| 70 | public function filterDump(AssetInterface $asset) |
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| 71 | { |
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| 72 | $pb = new ProcessBuilder(array($this->jpegtranBin)); |
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| 73 | |
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| 74 | if ($this->optimize) { |
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| 75 | $pb->add('-optimize'); |
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| 76 | } |
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| 77 | |
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| 78 | if ($this->copy) { |
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| 79 | $pb->add('-copy')->add($this->copy); |
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| 80 | } |
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| 81 | |
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| 82 | if ($this->progressive) { |
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| 83 | $pb->add('-progressive'); |
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| 84 | } |
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| 85 | |
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| 86 | if (null !== $this->restart) { |
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| 87 | $pb->add('-restart')->add($this->restart); |
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| 88 | } |
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| 89 | |
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| 90 | $pb->add($input = tempnam(sys_get_temp_dir(), 'assetic_jpegtran')); |
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| 91 | file_put_contents($input, $asset->getContent()); |
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| 92 | |
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| 93 | $proc = $pb->getProcess(); |
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| 94 | $code = $proc->run(); |
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| 95 | unlink($input); |
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| 96 | |
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| 97 | if (0 < $code) { |
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| 98 | throw FilterException::fromProcess($proc)->setInput($asset->getContent()); |
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| 99 | } |
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| 100 | |
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| 101 | $asset->setContent($proc->getOutput()); |
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| 102 | } |
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| 103 | } |
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