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<?php |
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namespace Jackal\ImageMerge\Model; |
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use Jackal\ImageMerge\Exception\InvalidColorException; |
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/** |
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* Class Color |
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* @package Jackal\ImageMerge\Model |
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*/ |
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class Color |
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{ |
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const BLACK = '000000'; |
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const WHITE = 'FFFFFF'; |
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/** |
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* @var string |
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*/ |
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private $red; |
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/** |
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* @var string |
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*/ |
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private $green; |
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/** |
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* @var string |
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*/ |
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private $blue; |
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/** |
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* @var string |
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*/ |
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private $colorHex; |
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/** |
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* Color constructor. |
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* @param $colorHex |
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* @throws InvalidColorException |
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*/ |
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public function __construct($colorHex) |
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{ |
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if (substr($colorHex, 0, 1) == '#') { |
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$colorHex = substr($colorHex, 1); |
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} |
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preg_match('/[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}/', $colorHex, $matches); |
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if (!$matches or strlen($colorHex) != strlen($matches[0])) { |
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throw new InvalidColorException(sprintf('Color "%s" is invalid', $colorHex)); |
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} |
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$colorHex = $matches[0]; |
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if (strlen($colorHex) == 3) { |
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$c1 = str_repeat(substr($colorHex, 0, 1), 2); |
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$c2 = str_repeat(substr($colorHex, 1, 1), 2); |
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$c3 = str_repeat(substr($colorHex, 2, 1), 2); |
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$colorHex = $c1 . $c2 . $c3; |
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} |
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$this->colorHex = $colorHex; |
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$this->red = hexdec(substr($colorHex, 0, 2)); |
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$this->green = hexdec(substr($colorHex, 2, 2)); |
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$this->blue = hexdec(substr($colorHex, 4, 2)); |
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} |
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/** |
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* @return string |
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*/ |
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public function red() |
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{ |
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return $this->red; |
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} |
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/** |
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* @return string |
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*/ |
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public function green() |
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{ |
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return $this->green; |
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} |
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/** |
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* @return string |
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*/ |
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public function blue() |
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{ |
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return $this->blue; |
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} |
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public function rgb() |
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{ |
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return $this->red() . $this->green() . $this->blue(); |
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} |
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public function getHex() |
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{ |
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return $this->colorHex; |
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} |
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} |
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