%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\Image\Palette;
use Imagine\Image\Palette\Color\CMYK as CMYKColor;
use Imagine\Image\Palette\Color\ColorInterface;
use Imagine\Exception\RuntimeException;
use Imagine\Exception\InvalidArgumentException;
use Imagine\Image\Profile;
use Imagine\Image\ProfileInterface;
class CMYK implements PaletteInterface
{
private $parser;
private $profile;
private static $colors = array();
public function __construct()
{
$this->parser = new ColorParser();
}
/**
* {@inheritdoc}
*/
public function name()
{
return PaletteInterface::PALETTE_CMYK;
}
/**
* {@inheritdoc}
*/
public function pixelDefinition()
{
return array(
ColorInterface::COLOR_CYAN,
ColorInterface::COLOR_MAGENTA,
ColorInterface::COLOR_YELLOW,
ColorInterface::COLOR_KEYLINE,
);
}
/**
* {@inheritdoc}
*/
public function supportsAlpha()
{
return false;
}
/**
* {@inheritdoc}
*/
public function color($color, $alpha = null)
{
if (null !== $alpha) {
throw new InvalidArgumentException('CMYK palette does not support alpha');
}
$color = $this->parser->parseToCMYK($color);
$index = sprintf('cmyk(%d, %d, %d, %d)', $color[0], $color[1], $color[2], $color[3]);
if (false === array_key_exists($index, self::$colors)) {
self::$colors[$index] = new CMYKColor($this, $color);
}
return self::$colors[$index];
}
/**
* {@inheritdoc}
*/
public function blend(ColorInterface $color1, ColorInterface $color2, $amount)
{
if (!$color1 instanceof CMYKColor || ! $color2 instanceof CMYKColor) {
throw new RuntimeException('CMYK palette can only blend CMYK colors');
}
return $this->color(array(
min(100, $color1->getCyan() + $color2->getCyan() * $amount),
min(100, $color1->getMagenta() + $color2->getMagenta() * $amount),
min(100, $color1->getYellow() + $color2->getYellow() * $amount),
min(100, $color1->getKeyline() + $color2->getKeyline() * $amount),
));
}
/**
* {@inheritdoc}
*/
public function useProfile(ProfileInterface $profile)
{
$this->profile = $profile;
return $this;
}
/**
* {@inheritdoc}
*/
public function profile()
{
if (!$this->profile) {
$this->profile = Profile::fromPath(__DIR__ . '/../../resources/Adobe/CMYK/USWebUncoated.icc');
}
return $this->profile;
}
}
Zerion Mini Shell 1.0