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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\Image;
use Imagine\Draw\DrawerInterface;
use Imagine\Effects\EffectsInterface;
use Imagine\Image\Palette\PaletteInterface;
use Imagine\Image\Palette\Color\ColorInterface;
use Imagine\Exception\RuntimeException;
use Imagine\Exception\OutOfBoundsException;
/**
* The image interface
*/
interface ImageInterface extends ManipulatorInterface
{
const RESOLUTION_PIXELSPERINCH = 'ppi';
const RESOLUTION_PIXELSPERCENTIMETER = 'ppc';
const INTERLACE_NONE = 'none';
const INTERLACE_LINE = 'line';
const INTERLACE_PLANE = 'plane';
const INTERLACE_PARTITION = 'partition';
const FILTER_UNDEFINED = 'undefined';
const FILTER_POINT = 'point';
const FILTER_BOX = 'box';
const FILTER_TRIANGLE = 'triangle';
const FILTER_HERMITE = 'hermite';
const FILTER_HANNING = 'hanning';
const FILTER_HAMMING = 'hamming';
const FILTER_BLACKMAN = 'blackman';
const FILTER_GAUSSIAN = 'gaussian';
const FILTER_QUADRATIC = 'quadratic';
const FILTER_CUBIC = 'cubic';
const FILTER_CATROM = 'catrom';
const FILTER_MITCHELL = 'mitchell';
const FILTER_LANCZOS = 'lanczos';
const FILTER_BESSEL = 'bessel';
const FILTER_SINC = 'sinc';
/**
* Returns the image content as a binary string
*
* @param string $format
* @param array $options
*
* @throws RuntimeException
*
* @return string binary
*/
public function get($format, array $options = array());
/**
* Returns the image content as a PNG binary string
*
* @throws RuntimeException
*
* @return string binary
*/
public function __toString();
/**
* Instantiates and returns a DrawerInterface instance for image drawing
*
* @return DrawerInterface
*/
public function draw();
/**
* @return EffectsInterface
*/
public function effects();
/**
* Returns current image size
*
* @return BoxInterface
*/
public function getSize();
/**
* Transforms creates a grayscale mask from current image, returns a new
* image, while keeping the existing image unmodified
*
* @return ImageInterface
*/
public function mask();
/**
* Returns array of image colors as Imagine\Image\Palette\Color\ColorInterface instances
*
* @return array
*/
public function histogram();
/**
* Returns color at specified positions of current image
*
* @param PointInterface $point
*
* @throws RuntimeException
*
* @return ColorInterface
*/
public function getColorAt(PointInterface $point);
/**
* Returns the image layers when applicable.
*
* @throws RuntimeException In case the layer can not be returned
* @throws OutOfBoundsException In case the index is not a valid value
*
* @return LayersInterface
*/
public function layers();
/**
* Enables or disables interlacing
*
* @param string $scheme
*
* @throws InvalidArgumentException When an unsupported Interface type is supplied
*
* @return ImageInterface
*/
public function interlace($scheme);
/**
* Return the current color palette
*
* @return PaletteInterface
*/
public function palette();
/**
* Set a palette for the image. Useful to change colorspace.
*
* @param PaletteInterface $palette
*
* @return ImageInterface
*
* @throws RuntimeException
*/
public function usePalette(PaletteInterface $palette);
/**
* Applies a color profile on the Image
*
* @param ProfileInterface $profile
*
* @return ImageInterface
*
* @throws RuntimeException
*/
public function profile(ProfileInterface $profile);
/**
* Returns the Image's meta data
*
* @return Metadata\MetadataInterface
*/
public function metadata();
}
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