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| Original file line number | Diff line number | Diff line change |
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| <?php | ||
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| /* | ||
| * This file is part of the `liip/LiipImagineBundle` project. | ||
| * | ||
| * (c) https://github.com/liip/LiipImagineBundle/graphs/contributors | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE.md | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
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| namespace Liip\ImagineBundle\Exception\Imagine\Filter; | ||
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| use Liip\ImagineBundle\Exception\ExceptionInterface; | ||
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| class LoadFilterException extends \RuntimeException implements ExceptionInterface | ||
| { | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,172 @@ | ||
| <?php | ||
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| /* | ||
| * This file is part of the `liip/LiipImagineBundle` project. | ||
| * | ||
| * (c) https://github.com/liip/LiipImagineBundle/graphs/contributors | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE.md | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
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| namespace Liip\ImagineBundle\Imagine\Filter\Loader; | ||
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| use Imagine\Image\ImageInterface; | ||
| use Imagine\Image\ImagineInterface; | ||
| use Liip\ImagineBundle\Exception\Imagine\Filter\LoadFilterException; | ||
| use Liip\ImagineBundle\Utility\OptionsResolver\OptionsResolver; | ||
| use Liip\ImagineBundle\Exception\InvalidArgumentException; | ||
| use Symfony\Component\OptionsResolver\Options; | ||
| use Symfony\Component\OptionsResolver\Exception\ExceptionInterface; | ||
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| class ResampleFilterLoader implements LoaderInterface | ||
| { | ||
| /** | ||
| * @var ImagineInterface | ||
| */ | ||
| private $imagine; | ||
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| /** | ||
| * @param ImagineInterface $imagine | ||
| */ | ||
| public function __construct(ImagineInterface $imagine) | ||
| { | ||
| $this->imagine = $imagine; | ||
| } | ||
|
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| /** | ||
| * @param ImageInterface $image | ||
| * @param array $options | ||
| * | ||
| * @throws LoadFilterException | ||
| * | ||
| * @return ImageInterface | ||
| */ | ||
| public function load(ImageInterface $image, array $options = array()) | ||
| { | ||
| $options = $this->resolveOptions($options); | ||
| $tmpFile = $this->getTemporaryFile($options['temp_dir']); | ||
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| try { | ||
| $image->save($tmpFile, $this->getImagineSaveOptions($options)); | ||
| $image = $this->imagine->open($tmpFile); | ||
| $this->delTemporaryFile($tmpFile); | ||
| } catch (\Exception $exception) { | ||
| $this->delTemporaryFile($tmpFile); | ||
| throw new LoadFilterException('Unable to save/open file in resample filter loader.', null, $exception); | ||
| } | ||
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| return $image; | ||
| } | ||
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| /** | ||
| * @param string $path | ||
| * | ||
| * @throws \RuntimeException | ||
| * | ||
| * @return string | ||
| */ | ||
| private function getTemporaryFile($path) | ||
| { | ||
| if (!is_dir($path) || false === $file = tempnam($path, 'liip-imagine-bundle')) { | ||
| throw new \RuntimeException(sprintf('Unable to create temporary file in "%s" base path.', $path)); | ||
| } | ||
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| return $file; | ||
| } | ||
|
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| /** | ||
| * @param $file | ||
| * | ||
| * @throws \RuntimeException | ||
| */ | ||
| private function delTemporaryFile($file) | ||
| { | ||
| if (file_exists($file)) { | ||
| unlink($file); | ||
| } | ||
| } | ||
|
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| /** | ||
| * @param array $options | ||
| * | ||
| * @return array | ||
| */ | ||
| private function getImagineSaveOptions(array $options) | ||
| { | ||
| $saveOptions = array( | ||
| 'resolution-units' => $options['unit'], | ||
| 'resolution-x' => $options['x'], | ||
| 'resolution-y' => $options['y'], | ||
| ); | ||
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| if (isset($options['filter'])) { | ||
| $saveOptions['resampling-filter'] = $options['filter']; | ||
| } | ||
|
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| return $saveOptions; | ||
| } | ||
|
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| /** | ||
| * @param array $options | ||
| * | ||
| * @return array | ||
| */ | ||
| private function resolveOptions(array $options) | ||
| { | ||
| $resolver = new OptionsResolver(); | ||
| $resolver->setDefined(array('filter')); | ||
| $resolver->setRequired(array('x', 'y', 'unit', 'temp_dir')); | ||
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| $resolver->setDefault('temp_dir', sys_get_temp_dir()); | ||
| $resolver->setAllowedTypes('temp_dir', array('string')); | ||
| $resolver->setAllowedTypes('x', array('int')); | ||
| $resolver->setAllowedTypes('y', array('int')); | ||
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| $resolver->setAllowedValues('unit', array('inch', 'centimeter')); | ||
| $resolver->setNormalizer('unit', function (Options $options, $value) { | ||
| return $this->normalizeOptionUnit($value); | ||
| }); | ||
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| $resolver->setDefault('filter', 'UNDEFINED'); | ||
| $resolver->setAllowedTypes('filter', array('string')); | ||
| $resolver->setNormalizer('filter', function (Options $options, $value) { | ||
| return $this->normalizeOptionFilter($value); | ||
| }); | ||
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| try { | ||
| return $resolver->resolve($options); | ||
| } catch (ExceptionInterface $e) { | ||
| throw new InvalidArgumentException('Invalid options provided. The "units" option must be set to "inch" '. | ||
| 'or "centimeter" and you must set a "x" and "y" value to the ppi/ppc desired.'); | ||
| } | ||
| } | ||
|
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| /** | ||
| * @param string $value | ||
| * | ||
| * @return string | ||
| */ | ||
| private function normalizeOptionUnit($value) | ||
| { | ||
| return $value === 'inch' ? ImageInterface::RESOLUTION_PIXELSPERINCH : ImageInterface::RESOLUTION_PIXELSPERCENTIMETER; | ||
| } | ||
|
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| /** | ||
| * @param string $value | ||
| * | ||
| * @return string | ||
| */ | ||
| private function normalizeOptionFilter($value) | ||
| { | ||
| foreach (array('\Imagine\Image\ImageInterface::FILTER_%s', '\Imagine\Image\ImageInterface::%s', '\%s') as $format) { | ||
| if (defined($constant = sprintf($format, strtoupper($value)))) { | ||
| return constant($constant); | ||
| } | ||
| } | ||
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| throw new InvalidArgumentException('The "filter" option must resolve to a valid constant using one of the '. | ||
| 'following formats: "\Imagine\Image\ImageInterface::FILTER_%s" or "\Imagine\Image\ImageInterface::%s" '. | ||
| 'or "\%s"'); | ||
| } | ||
| } |
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30 changes: 30 additions & 0 deletions
30
Tests/Functional/Imagine/Filter/Loader/ResampleFilterLoaderTest.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| * This file is part of the `liip/LiipImagineBundle` project. | ||
| * | ||
| * (c) https://github.com/liip/LiipImagineBundle/graphs/contributors | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE.md | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
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| namespace Liip\ImagineBundle\Tests\Functional\Imagine\Filter\Loader; | ||
|
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| use Liip\ImagineBundle\Tests\Functional\AbstractWebTestCase; | ||
|
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| /** | ||
| * @covers \Liip\ImagineBundle\Imagine\Filter\Loader\ResampleFilterLoader | ||
| */ | ||
| class ResampleFilterLoaderTest extends AbstractWebTestCase | ||
| { | ||
| public function testContainerHasService() | ||
| { | ||
| $this->createClient(); | ||
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| $this->assertInstanceOf( | ||
| '\Liip\ImagineBundle\Imagine\Filter\Loader\ResampleFilterLoader', | ||
| self::$kernel->getContainer()->get('liip_imagine.filter.loader.resample') | ||
| ); | ||
| } | ||
| } |
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