/**
* Resizes an image based on the strategy passed in the constructor.
*
* {@inheritdoc}
*
* @see GdWrapper\Action\Action::execute()
*/
public function execute(Resource $src)
{
$dimensions = null;
try {
$dimensions = $this->strategy->getNewDimensions($src->getWidth(), $src->getHeight());
} catch (\InvalidArgumentException $e) {
throw new \UnexpectedValueException('The image seems to have no size at all.', $e->getCode(), $e);
}
$factory = $this->getResourceFactory($dimensions->getX(), $dimensions->getY());
$dst = $factory->create();
imagecopyresampled($dst->getRaw(), $src->getRaw(), 0, 0, 0, 0, $dst->getWidth(), $dst->getHeight(), $src->getWidth(), $src->getHeight());
$src->setRaw($dst->getRaw());
}
/**
* (non-PHPdoc)
* @see GdWrapper\Action\Action::execute()
*/
public function execute(Resource $src)
{
$info = $this->strategy->getCropInfo($src->getWidth(), $src->getHeight());
$factory = $this->getResourceFactory($info->getWidth(), $info->getHeight());
$dst = $factory->create();
imagecopyresampled($dst->getRaw(), $src->getRaw(), 0, 0, $info->getStartPoint()->getX(), $info->getStartPoint()->getY(), $dst->getWidth(), $dst->getHeight(), $dst->getWidth(), $dst->getHeight());
$src->setRaw($dst->getRaw());
}
/**
* Shortcut for obtaining the start point of the position for the merged image.
*
* @param \GdWrapper\Action\MergeStrategy\Strategy $strategy The merge strategy.
*
* @return \GdWrapper\Geometry\Point The starting point of the position for the merged image.
*/
public function getStartPoint(Resource $src)
{
return $this->position->getStartPoint(new Point($src->getWidth(), $src->getHeight()), new Point($this->mergeResource->getWidth(), $this->mergeResource->getHeight()));
}