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<?php
declare(strict_types=1);
namespace Intervention\Image\Typography;
use ArrayIterator;
use Countable;
use Intervention\Image\Geometry\Point;
use Intervention\Image\Interfaces\PointInterface;
use IteratorAggregate;
use Stringable;
use Traversable;
/**
* @implements IteratorAggregate<string>
*/
class Line implements IteratorAggregate, Countable, Stringable
{
/**
* Segments (usually individual words including punctuation marks) of the line
*
* @var array<string>
*/
protected array $segments = [];
/**
* Create new text line object with given text & position
*
* @param string $text
* @param PointInterface $position
* @return void
*/
public function __construct(
?string $text = null,
protected PointInterface $position = new Point()
) {
if (is_string($text)) {
$this->segments = explode(" ", $text);
}
}
/**
* Add word to current line
*
* @param string $word
* @return Line
*/
public function add(string $word): self
{
$this->segments[] = $word;
return $this;
}
/**
* Returns Iterator
*
* @return Traversable<string>
*/
public function getIterator(): Traversable
{
return new ArrayIterator($this->segments);
}
/**
* Get Position of line
*
* @return PointInterface
*/
public function position(): PointInterface
{
return $this->position;
}
/**
* Set position of current line
*
* @param PointInterface $point
* @return Line
*/
public function setPosition(PointInterface $point): self
{
$this->position = $point;
return $this;
}
/**
* Count segments (individual words including punctuation marks) of line
*
* @return int
*/
public function count(): int
{
return count($this->segments);
}
/**
* Count characters of line
*
* @return int
*/
public function length(): int
{
return mb_strlen((string) $this);
}
/**
* Cast line to string
*
* @return string
*/
public function __toString(): string
{
return implode(" ", $this->segments);
}
}