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<?php
/*
* This file is part of the Imagine package.
*
* (c) Bulat Shakirzyanov <mallluhuct@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Imagine\Gmagick;
use Imagine\Effects\EffectsInterface;
use Imagine\Exception\RuntimeException;
use Imagine\Image\Palette\Color\ColorInterface;
use Imagine\Exception\NotSupportedException;
/**
* Effects implementation using the Gmagick PHP extension
*/
class Effects implements EffectsInterface
{
private $gmagick;
public function __construct(\Gmagick $gmagick)
{
$this->gmagick = $gmagick;
}
/**
* {@inheritdoc}
*/
public function gamma($correction)
{
try {
$this->gmagick->gammaimage($correction);
} catch (\GmagickException $e) {
throw new RuntimeException('Failed to apply gamma correction to the image');
}
return $this;
}
/**
* {@inheritdoc}
*/
public function negative()
{
if (!method_exists($this->gmagick, 'negateimage')) {
throw new NotSupportedException('Gmagick version 1.1.0 RC3 is required for negative effect');
}
try {
$this->gmagick->negateimage(false, \Gmagick::CHANNEL_ALL);
} catch (\GmagickException $e) {
throw new RuntimeException('Failed to negate the image');
}
return $this;
}
/**
* {@inheritdoc}
*/
public function grayscale()
{
try {
$this->gmagick->setImageType(2);
} catch (\GmagickException $e) {
throw new RuntimeException('Failed to grayscale the image');
}
return $this;
}
/**
* {@inheritdoc}
*/
public function colorize(ColorInterface $color)
{
throw new NotSupportedException('Gmagick does not support colorize');
}
/**
* {@inheritdoc}
*/
public function sharpen()
{
throw new NotSupportedException('Gmagick does not support sharpen yet');
}
/**
* {@inheritdoc}
*/
public function blur($sigma = 1)
{
try {
$this->gmagick->blurImage(0, $sigma);
} catch (\GmagickException $e) {
throw new RuntimeException('Failed to blur the image', $e->getCode(), $e);
}
return $this;
}
}
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