%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\RGB as RGBColor;
use Imagine\Image\Palette\Color\ColorInterface;
use Imagine\Image\ProfileInterface;
use Imagine\Image\Profile;
use Imagine\Exception\RuntimeException;
class RGB implements PaletteInterface
{
/**
* @var ColorParser
*/
private $parser;
/**
* @var ProfileInterface
*/
private $profile;
/**
* @var array
*/
protected static $colors = array();
public function __construct()
{
$this->parser = new ColorParser();
}
/**
* {@inheritdoc}
*/
public function name()
{
return PaletteInterface::PALETTE_RGB;
}
/**
* {@inheritdoc}
*/
public function pixelDefinition()
{
return array(
ColorInterface::COLOR_RED,
ColorInterface::COLOR_GREEN,
ColorInterface::COLOR_BLUE,
);
}
/**
* {@inheritdoc}
*/
public function supportsAlpha()
{
return true;
}
/**
* {@inheritdoc}
*/
public function useProfile(ProfileInterface $profile)
{
$this->profile = $profile;
return $this;
}
/**
* {@inheritdoc}
*/
public function profile()
{
if (!$this->profile) {
$this->profile = Profile::fromPath(__DIR__ . '/../../resources/color.org/sRGB_IEC61966-2-1_black_scaled.icc');
}
return $this->profile;
}
/**
* {@inheritdoc}
*/
public function color($color, $alpha = null)
{
if (null === $alpha) {
$alpha = 100;
}
$color = $this->parser->parseToRGB($color);
$index = sprintf('#%02x%02x%02x-%d', $color[0], $color[1], $color[2], $alpha);
if (false === array_key_exists($index, static::$colors)) {
static::$colors[$index] = new RGBColor($this, $color, $alpha);
}
return static::$colors[$index];
}
/**
* {@inheritdoc}
*/
public function blend(ColorInterface $color1, ColorInterface $color2, $amount)
{
if (!$color1 instanceof RGBColor || ! $color2 instanceof RGBColor) {
throw new RuntimeException('RGB palette can only blend RGB colors');
}
return $this->color(
array(
(int) min(255, min($color1->getRed(), $color2->getRed()) + round(abs($color2->getRed() - $color1->getRed()) * $amount)),
(int) min(255, min($color1->getGreen(), $color2->getGreen()) + round(abs($color2->getGreen() - $color1->getGreen()) * $amount)),
(int) min(255, min($color1->getBlue(), $color2->getBlue()) + round(abs($color2->getBlue() - $color1->getBlue()) * $amount)),
),
(int) min(100, min($color1->getAlpha(), $color2->getAlpha()) + round(abs($color2->getAlpha() - $color1->getAlpha()) * $amount))
);
}
}
Zerion Mini Shell 1.0