|
Server : nginx/1.20.1 System : Linux iZ2ze9ojcl78uluczwag69Z 4.18.0-240.22.1.el8_3.x86_64 #1 SMP Thu Apr 8 19:01:30 UTC 2021 x86_64 User : www ( 1000) PHP Version : 7.3.28 Disable Function : passthru,exec,system,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv Directory : /www/wwwroot/0531yanglao.com/vendor/bacon/bacon-qr-code/src/Renderer/Color/ |
<?php
declare(strict_types = 1);
namespace BaconQrCode\Renderer\Color;
use BaconQrCode\Exception;
final class Rgb implements ColorInterface
{
/**
* @var int
*/
private $red;
/**
* @var int
*/
private $green;
/**
* @var int
*/
private $blue;
/**
* @param int $red the red amount of the color, 0 to 255
* @param int $green the green amount of the color, 0 to 255
* @param int $blue the blue amount of the color, 0 to 255
*/
public function __construct(int $red, int $green, int $blue)
{
if ($red < 0 || $red > 255) {
throw new Exception\InvalidArgumentException('Red must be between 0 and 255');
}
if ($green < 0 || $green > 255) {
throw new Exception\InvalidArgumentException('Green must be between 0 and 255');
}
if ($blue < 0 || $blue > 255) {
throw new Exception\InvalidArgumentException('Blue must be between 0 and 255');
}
$this->red = $red;
$this->green = $green;
$this->blue = $blue;
}
public function getRed() : int
{
return $this->red;
}
public function getGreen() : int
{
return $this->green;
}
public function getBlue() : int
{
return $this->blue;
}
public function toRgb() : Rgb
{
return $this;
}
public function toCmyk() : Cmyk
{
$c = 1 - ($this->red / 255);
$m = 1 - ($this->green / 255);
$y = 1 - ($this->blue / 255);
$k = min($c, $m, $y);
return new Cmyk(
(int) (100 * ($c - $k) / (1 - $k)),
(int) (100 * ($m - $k) / (1 - $k)),
(int) (100 * ($y - $k) / (1 - $k)),
(int) (100 * $k)
);
}
public function toGray() : Gray
{
return new Gray((int) (($this->red * 0.21 + $this->green * 0.71 + $this->blue * 0.07) / 2.55));
}
}