%PDF-
%PDF-
Mini Shell
Mini Shell
<?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\Driver\InfoProvider;
use Imagine\Exception\InvalidArgumentException;
use Imagine\Exception\NotSupportedException;
use Imagine\Exception\RuntimeException;
use Imagine\Factory\ClassFactoryInterface;
use Imagine\File\LoaderInterface;
use Imagine\Image\AbstractImagine;
use Imagine\Image\BoxInterface;
use Imagine\Image\Metadata\MetadataBag;
use Imagine\Image\Palette\CMYK;
use Imagine\Image\Palette\Color\CMYK as CMYKColor;
use Imagine\Image\Palette\Color\ColorInterface;
use Imagine\Image\Palette\Grayscale;
use Imagine\Image\Palette\RGB;
/**
* Imagine implementation using the Gmagick PHP extension.
*
* @final
*/
class Imagine extends AbstractImagine implements InfoProvider
{
/**
* @throws \Imagine\Exception\RuntimeException
*/
public function __construct()
{
static::getDriverInfo()->checkVersionIsSupported();
}
/**
* {@inheritdoc}
*
* @see \Imagine\Driver\InfoProvider::getDriverInfo()
* @since 1.3.0
*/
public static function getDriverInfo($required = true)
{
return DriverInfo::get($required);
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\ImagineInterface::open()
*/
public function open($path)
{
$loader = $path instanceof LoaderInterface ? $path : $this->getClassFactory()->createFileLoader($path);
$path = $loader->getPath();
try {
if ($loader->isLocalFile()) {
$gmagick = new \Gmagick($path);
$image = $this->getClassFactory()->createImage(ClassFactoryInterface::HANDLE_GMAGICK, $gmagick, $this->createPalette($gmagick), $this->getMetadataReader()->readFile($loader));
} else {
$image = $this->doLoad($loader->getData(), $this->getMetadataReader()->readFile($loader));
}
} catch (\GmagickException $e) {
throw new RuntimeException(sprintf('Unable to open image %s', $path), $e->getCode(), $e);
}
return $image;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\ImagineInterface::create()
*/
public function create(BoxInterface $size, ColorInterface $color = null)
{
$width = $size->getWidth();
$height = $size->getHeight();
$palette = $color !== null ? $color->getPalette() : new RGB();
$color = $color !== null ? $color : $palette->color('fff');
try {
$gmagick = new \Gmagick();
// Gmagick does not support creation of CMYK GmagickPixel
// see https://bugs.php.net/bug.php?id=64466
if ($color instanceof CMYKColor) {
$switchPalette = $palette;
$palette = new RGB();
$pixel = new \GmagickPixel($palette->color((string) $color));
} else {
$switchPalette = null;
$pixel = new \GmagickPixel((string) $color);
}
if (!$color->getPalette()->supportsAlpha() && $color->getAlpha() !== null && $color->getAlpha() < 100) {
throw new NotSupportedException('alpha transparency is not supported');
}
$gmagick->newimage($width, $height, $pixel->getcolor(false));
$gmagick->setimagecolorspace(\Gmagick::COLORSPACE_TRANSPARENT);
$gmagick->setimagebackgroundcolor($pixel);
$image = $this->getClassFactory()->createImage(ClassFactoryInterface::HANDLE_GMAGICK, $gmagick, $palette, new MetadataBag());
if ($switchPalette) {
$image->usePalette($switchPalette);
}
return $image;
} catch (\GmagickException $e) {
throw new RuntimeException('Could not create empty image', $e->getCode(), $e);
}
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\ImagineInterface::load()
*/
public function load($string)
{
return $this->doLoad($string, $this->getMetadataReader()->readData($string));
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\ImagineInterface::read()
*/
public function read($resource)
{
if (!is_resource($resource)) {
throw new InvalidArgumentException('Variable does not contain a stream resource');
}
$content = stream_get_contents($resource);
if ($content === false) {
throw new InvalidArgumentException('Couldn\'t read given resource');
}
return $this->doLoad($content, $this->getMetadataReader()->readData($content, $resource));
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\ImagineInterface::font()
*/
public function font($file, $size, ColorInterface $color)
{
return $this->getClassFactory()->createFont(ClassFactoryInterface::HANDLE_GMAGICK, $file, $size, $color);
}
/**
* @param \Gmagick $gmagick
*
* @throws \Imagine\Exception\NotSupportedException
*
* @return \Imagine\Image\Palette\PaletteInterface
*/
private function createPalette(\Gmagick $gmagick)
{
switch ($gmagick->getimagecolorspace()) {
case \Gmagick::COLORSPACE_SRGB:
case \Gmagick::COLORSPACE_RGB:
return new RGB();
case \Gmagick::COLORSPACE_CMYK:
return new CMYK();
case \Gmagick::COLORSPACE_GRAY:
return new Grayscale();
default:
throw new NotSupportedException('Only RGB and CMYK colorspace are currently supported');
}
}
/**
* @param string $content
* @param \Imagine\Image\Metadata\MetadataBag $metadata
*
* @throws \Imagine\Exception\RuntimeException
*
* @return \Imagine\Image\ImageInterface
*/
private function doLoad($content, MetadataBag $metadata)
{
try {
$gmagick = new \Gmagick();
$gmagick->readimageblob($content);
} catch (\GmagickException $e) {
throw new RuntimeException('Could not load image from string', $e->getCode(), $e);
}
return $this->getClassFactory()->createImage(ClassFactoryInterface::HANDLE_GMAGICK, $gmagick, $this->createPalette($gmagick), $metadata);
}
}
Zerion Mini Shell 1.0