104 Zeilen
2.3 KiB
PHP
104 Zeilen
2.3 KiB
PHP
<?php
|
|
declare(strict_types = 1);
|
|
|
|
namespace BaconQrCode\Renderer\Color;
|
|
|
|
use BaconQrCode\Exception;
|
|
|
|
final class Cmyk implements ColorInterface
|
|
{
|
|
/**
|
|
* @var int
|
|
*/
|
|
private $cyan;
|
|
|
|
/**
|
|
* @var int
|
|
*/
|
|
private $magenta;
|
|
|
|
/**
|
|
* @var int
|
|
*/
|
|
private $yellow;
|
|
|
|
/**
|
|
* @var int
|
|
*/
|
|
private $black;
|
|
|
|
/**
|
|
* @param int $cyan the cyan amount, 0 to 100
|
|
* @param int $magenta the magenta amount, 0 to 100
|
|
* @param int $yellow the yellow amount, 0 to 100
|
|
* @param int $black the black amount, 0 to 100
|
|
*/
|
|
public function __construct(int $cyan, int $magenta, int $yellow, int $black)
|
|
{
|
|
if ($cyan < 0 || $cyan > 100) {
|
|
throw new Exception\InvalidArgumentException('Cyan must be between 0 and 100');
|
|
}
|
|
|
|
if ($magenta < 0 || $magenta > 100) {
|
|
throw new Exception\InvalidArgumentException('Magenta must be between 0 and 100');
|
|
}
|
|
|
|
if ($yellow < 0 || $yellow > 100) {
|
|
throw new Exception\InvalidArgumentException('Yellow must be between 0 and 100');
|
|
}
|
|
|
|
if ($black < 0 || $black > 100) {
|
|
throw new Exception\InvalidArgumentException('Black must be between 0 and 100');
|
|
}
|
|
|
|
$this->cyan = $cyan;
|
|
$this->magenta = $magenta;
|
|
$this->yellow = $yellow;
|
|
$this->black = $black;
|
|
}
|
|
|
|
public function getCyan() : int
|
|
{
|
|
return $this->cyan;
|
|
}
|
|
|
|
public function getMagenta() : int
|
|
{
|
|
return $this->magenta;
|
|
}
|
|
|
|
public function getYellow() : int
|
|
{
|
|
return $this->yellow;
|
|
}
|
|
|
|
public function getBlack() : int
|
|
{
|
|
return $this->black;
|
|
}
|
|
|
|
public function toRgb() : Rgb
|
|
{
|
|
$k = $this->black / 100;
|
|
$c = (-$k * $this->cyan + $k * 100 + $this->cyan) / 100;
|
|
$m = (-$k * $this->magenta + $k * 100 + $this->magenta) / 100;
|
|
$y = (-$k * $this->yellow + $k * 100 + $this->yellow) / 100;
|
|
|
|
return new Rgb(
|
|
(int) (-$c * 255 + 255),
|
|
(int) (-$m * 255 + 255),
|
|
(int) (-$y * 255 + 255)
|
|
);
|
|
}
|
|
|
|
public function toCmyk() : Cmyk
|
|
{
|
|
return $this;
|
|
}
|
|
|
|
public function toGray() : Gray
|
|
{
|
|
return $this->toRgb()->toGray();
|
|
}
|
|
}
|