Файл: vendor/intervention/image/src/Resolution.php
Строк: 151
<?php
declare(strict_types=1);
namespace InterventionImage;
use ArrayIterator;
use InterventionImageExceptionsInvalidArgumentException;
use InterventionImageInterfacesResolutionInterface;
use IteratorAggregate;
use Stringable;
use Traversable;
/**
* @implements IteratorAggregate<float>
*/
class Resolution implements ResolutionInterface, Stringable, IteratorAggregate
{
/**
* Create new instance.
*
* @throws InvalidArgumentException
*/
public function __construct(
protected float $x,
protected float $y,
protected Length $length = Length::INCH,
) {
if ($x < 0) {
throw new InvalidArgumentException(
'The value of the X-axis for ' . $this::class . ' must be greater or equal to 0',
);
}
if ($y < 0) {
throw new InvalidArgumentException(
'The value of the Y-axis for ' . $this::class . ' must be greater or equal to 0',
);
}
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::dpi()
*
* @throws InvalidArgumentException
*/
public static function dpi(float $x, float $y): ResolutionInterface
{
return new self($x, $y, Length::INCH);
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::ppi()
*
* @throws InvalidArgumentException
*/
public static function ppi(float $x, float $y): ResolutionInterface
{
return new self($x, $y, Length::CM);
}
/**
* {@inheritdoc}
*
* @see IteratorAggregate::getIterator()
*/
public function getIterator(): Traversable
{
return new ArrayIterator([$this->x, $this->y]);
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::x()
*/
public function x(): float
{
return $this->x;
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::y()
*/
public function y(): float
{
return $this->y;
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::length()
*/
public function length(): Length
{
return $this->length;
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::perInch()
*/
public function perInch(): self
{
return match ($this->length) {
// @phpstan-ignore missingType.checkedException
Length::CM => new self(
$this->x * 2.54,
$this->y * 2.54,
Length::INCH,
),
default => $this
};
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::perCm()
*/
public function perCm(): self
{
return match ($this->length) {
// @phpstan-ignore missingType.checkedException
Length::INCH => new self(
$this->x / 2.54,
$this->y / 2.54,
Length::CM,
),
default => $this,
};
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::toString()
*/
public function toString(): string
{
return sprintf(
"%1$.2f x %2$.2f %3$s",
$this->x,
$this->y,
match ($this->length) {
Length::INCH => 'dpi',
Length::CM => 'dpcm',
},
);
}
/**
* {@inheritdoc}
*
* @see ResolutionInterface::__toString()
*/
public function __toString(): string
{
return $this->toString();
}
}