%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\Gd;
use Imagine\Driver\InfoProvider;
use Imagine\Exception\InvalidArgumentException;
use Imagine\Exception\NotSupportedException;
use Imagine\Exception\RuntimeException;
use Imagine\Factory\ClassFactoryInterface;
use Imagine\Image\AbstractLayers;
use Imagine\Image\Metadata\MetadataBag;
use Imagine\Image\Palette\PaletteInterface;
class Layers extends AbstractLayers implements InfoProvider
{
/**
* @var \Imagine\Gd\Image
*/
private $image;
/**
* @var int
*/
private $offset;
/**
* @var resource|\GdImage
*/
private $resource;
/**
* @var \Imagine\Image\Palette\PaletteInterface
*/
private $palette;
/**
* @param \Imagine\Gd\Image $image
* @param \Imagine\Image\Palette\PaletteInterface $palette
* @param resource|\GdImage $resource
* @param int $initialOffset
*
* @throws \Imagine\Exception\RuntimeException
*/
public function __construct(Image $image, PaletteInterface $palette, $resource, $initialOffset = 0)
{
if (!$resource instanceof \GdImage && !is_resource($resource)) {
throw new RuntimeException('Invalid Gd resource provided');
}
$this->image = $image;
$this->resource = $resource;
$this->offset = (int) $initialOffset;
$this->palette = $palette;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Driver\InfoProvider::getDriverInfo()
* @since 1.3.0
*/
public static function getDriverInfo($required = true)
{
return DriverInfo::get($required);
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\LayersInterface::merge()
*/
public function merge()
{
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\LayersInterface::coalesce()
*/
public function coalesce()
{
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Image\LayersInterface::animate()
*/
public function animate($format, $delay, $loops)
{
return $this;
}
/**
* {@inheritdoc}
*
* @see \Iterator::current()
*/
#[\ReturnTypeWillChange]
public function current()
{
return $this->getClassFactory()->createImage(ClassFactoryInterface::HANDLE_GD, $this->resource, $this->palette, new MetadataBag());
}
/**
* {@inheritdoc}
*
* @see \Iterator::key()
*/
#[\ReturnTypeWillChange]
public function key()
{
return $this->offset;
}
/**
* {@inheritdoc}
*
* @see \Iterator::next()
*/
#[\ReturnTypeWillChange]
public function next()
{
++$this->offset;
}
/**
* {@inheritdoc}
*
* @see \Iterator::rewind()
*/
#[\ReturnTypeWillChange]
public function rewind()
{
$this->offset = 0;
}
/**
* {@inheritdoc}
*
* @see \Iterator::valid()
*/
#[\ReturnTypeWillChange]
public function valid()
{
return $this->offset < 1;
}
/**
* {@inheritdoc}
*
* @see \Countable::count()
*/
#[\ReturnTypeWillChange]
public function count()
{
return 1;
}
/**
* {@inheritdoc}
*
* @see \ArrayAccess::offsetExists()
*/
#[\ReturnTypeWillChange]
public function offsetExists($offset)
{
return $offset === 0;
}
/**
* {@inheritdoc}
*
* @see \ArrayAccess::offsetGet()
*/
#[\ReturnTypeWillChange]
public function offsetGet($offset)
{
if ($offset === 0) {
return $this->getClassFactory()->createImage(ClassFactoryInterface::HANDLE_GD, $this->resource, $this->palette, new MetadataBag());
}
throw new InvalidArgumentException('GD only supports one layer at offset 0');
}
/**
* {@inheritdoc}
*
* @see \ArrayAccess::offsetSet()
*/
#[\ReturnTypeWillChange]
public function offsetSet($offset, $value)
{
throw new NotSupportedException('GD does not support layer set');
}
/**
* {@inheritdoc}
*
* @see \ArrayAccess::offsetUnset()
*/
#[\ReturnTypeWillChange]
public function offsetUnset($offset)
{
throw new NotSupportedException('GD does not support layer unset');
}
}
Zerion Mini Shell 1.0