75 Zeilen
1.7 KiB
PHP
75 Zeilen
1.7 KiB
PHP
<?php
|
|
declare(strict_types = 1);
|
|
|
|
namespace BaconQrCode\Renderer\RendererStyle;
|
|
|
|
use BaconQrCode\Exception\RuntimeException;
|
|
use BaconQrCode\Renderer\Color\ColorInterface;
|
|
|
|
final class EyeFill
|
|
{
|
|
/**
|
|
* @var ColorInterface|null
|
|
*/
|
|
private $externalColor;
|
|
|
|
/**
|
|
* @var ColorInterface|null
|
|
*/
|
|
private $internalColor;
|
|
|
|
/**
|
|
* @var self|null
|
|
*/
|
|
private static $inherit;
|
|
|
|
public function __construct(?ColorInterface $externalColor, ?ColorInterface $internalColor)
|
|
{
|
|
$this->externalColor = $externalColor;
|
|
$this->internalColor = $internalColor;
|
|
}
|
|
|
|
public static function uniform(ColorInterface $color) : self
|
|
{
|
|
return new self($color, $color);
|
|
}
|
|
|
|
public static function inherit() : self
|
|
{
|
|
return self::$inherit ?: self::$inherit = new self(null, null);
|
|
}
|
|
|
|
public function inheritsBothColors() : bool
|
|
{
|
|
return null === $this->externalColor && null === $this->internalColor;
|
|
}
|
|
|
|
public function inheritsExternalColor() : bool
|
|
{
|
|
return null === $this->externalColor;
|
|
}
|
|
|
|
public function inheritsInternalColor() : bool
|
|
{
|
|
return null === $this->internalColor;
|
|
}
|
|
|
|
public function getExternalColor() : ColorInterface
|
|
{
|
|
if (null === $this->externalColor) {
|
|
throw new RuntimeException('External eye color inherits foreground color');
|
|
}
|
|
|
|
return $this->externalColor;
|
|
}
|
|
|
|
public function getInternalColor() : ColorInterface
|
|
{
|
|
if (null === $this->internalColor) {
|
|
throw new RuntimeException('Internal eye color inherits foreground color');
|
|
}
|
|
|
|
return $this->internalColor;
|
|
}
|
|
}
|