Файл: vendor/intervention/image/src/Modifiers/RemoveAnimationModifier.php
Строк: 101
<?php
declare(strict_types=1);
namespace InterventionImageModifiers;
use InterventionImageDriversSpecializableModifier;
use InterventionImageExceptionsInvalidArgumentException;
use InterventionImageInterfacesFrameInterface;
use InterventionImageInterfacesImageInterface;
class RemoveAnimationModifier extends SpecializableModifier
{
/**
* @throws InvalidArgumentException
*/
public function __construct(public int|string $position = 0)
{
if (is_int($this->position) && $this->position < 0) {
throw new InvalidArgumentException('Invalid position argument. Must be int<0, max>');
}
}
/**
* @throws InvalidArgumentException
*/
protected function selectedFrame(ImageInterface $image): FrameInterface
{
return $image->core()->frame($this->normalizePosition($image));
}
/**
* Return the position of the selected frame as integer.
*
* @throws InvalidArgumentException
*/
protected function normalizePosition(ImageInterface $image): int
{
if (is_int($this->position)) {
return $this->position;
}
if (is_numeric($this->position)) {
return (int) $this->position;
}
// calculate position from percentage value
if (preg_match("/^(?P<percent>[0-9]{1,3})%$/", $this->position, $matches) !== 1) {
throw new InvalidArgumentException(
'Position must be either integer or a percent value as string',
);
}
$total = count($image);
$position = intval(round($total / 100 * intval($matches['percent'])));
return $position === $total ? $position - 1 : $position;
}
}