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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/Image/ |
<?php
declare(strict_types = 1);
namespace BaconQrCode\Renderer\Image;
final class TransformationMatrix
{
/**
* @var float[]
*/
private $values;
public function __construct()
{
$this->values = [1, 0, 0, 1, 0, 0];
}
public function multiply(self $other) : self
{
$matrix = new self();
$matrix->values[0] = $this->values[0] * $other->values[0] + $this->values[2] * $other->values[1];
$matrix->values[1] = $this->values[1] * $other->values[0] + $this->values[3] * $other->values[1];
$matrix->values[2] = $this->values[0] * $other->values[2] + $this->values[2] * $other->values[3];
$matrix->values[3] = $this->values[1] * $other->values[2] + $this->values[3] * $other->values[3];
$matrix->values[4] = $this->values[0] * $other->values[4] + $this->values[2] * $other->values[5]
+ $this->values[4];
$matrix->values[5] = $this->values[1] * $other->values[4] + $this->values[3] * $other->values[5]
+ $this->values[5];
return $matrix;
}
public static function scale(float $size) : self
{
$matrix = new self();
$matrix->values = [$size, 0, 0, $size, 0, 0];
return $matrix;
}
public static function translate(float $x, float $y) : self
{
$matrix = new self();
$matrix->values = [1, 0, 0, 1, $x, $y];
return $matrix;
}
public static function rotate(int $degrees) : self
{
$matrix = new self();
$rad = deg2rad($degrees);
$matrix->values = [cos($rad), sin($rad), -sin($rad), cos($rad), 0, 0];
return $matrix;
}
/**
* Applies this matrix onto a point and returns the resulting viewport point.
*
* @return float[]
*/
public function apply(float $x, float $y) : array
{
return [
$x * $this->values[0] + $y * $this->values[2] + $this->values[4],
$x * $this->values[1] + $y * $this->values[3] + $this->values[5],
];
}
}