Файл: vendor/intervention/image/src/Colors/AbstractColorChannel.php
Строк: 119
<?php
declare(strict_types=1);
namespace InterventionImageColors;
use InterventionImageExceptionsColorException;
use InterventionImageInterfacesColorChannelInterface;
use Stringable;
abstract class AbstractColorChannel implements ColorChannelInterface, Stringable
{
protected int $value;
/**
* {@inheritdoc}
*
* @see ColorChannelInterface::__construct()
*/
public function __construct(?int $value = null, ?float $normalized = null)
{
$this->value = $this->validate(
match (true) {
is_null($value) && is_numeric($normalized) => intval(round($normalized * $this->max())),
is_numeric($value) && is_null($normalized) => $value,
default => throw new ColorException('Color channels must either have a value or a normalized value')
}
);
}
/**
* Alias of value()
*
* @return int
*/
public function toInt(): int
{
return $this->value;
}
/**
* {@inheritdoc}
*
* @see ColorChannelInterface::value()
*/
public function value(): int
{
return $this->value;
}
/**
* {@inheritdoc}
*
* @see ColorChannelInterface::normalize()
*/
public function normalize(int $precision = 32): float
{
return round(($this->value() - $this->min()) / ($this->max() - $this->min()), $precision);
}
/**
* {@inheritdoc}
*
* @see ColorChannelInterface::validate()
*/
public function validate(mixed $value): mixed
{
if ($value < $this->min() || $value > $this->max()) {
throw new ColorException('Color channel value must be in range ' . $this->min() . ' to ' . $this->max());
}
return $value;
}
/**
* {@inheritdoc}
*
* @see ColorChannelInterface::toString()
*/
public function toString(): string
{
return (string) $this->value();
}
/**
* {@inheritdoc}
*
* @see ColorChannelInterface::__toString()
*/
public function __toString(): string
{
return $this->toString();
}
}