/**
* Open the image.
* @param string $filename
* @param boolean $throwErrors
* @throws InvalidParamException
* @throws \ErrorException
*/
public function __construct($filename, $throwErrors = true)
{
static $isLoaded;
if (!isset($isLoaded)) {
$isLoaded = self::isLoaded();
}
parent::__construct($filename, $throwErrors);
$this->im = new \Imagick();
$this->im->readImage($this->filename);
if (!$this->im->getImageAlphaChannel()) {
$this->im->setImageAlphaChannel(\Imagick::ALPHACHANNEL_SET);
}
}
/**
* Read image.
* @param string $filename
* @param boolean $throwErrors
* @throws InvalidParamException
* @throws \ErrorException
*/
public function __construct($filename, $throwErrors = true)
{
static $isLoaded;
if (!isset($isLoaded)) {
$isLoaded = self::isLoaded();
}
parent::__construct($filename, $throwErrors);
$create_func = 'imagecreatefrom' . $this->getFormat();
$this->image = $create_func($this->filename);
if (!$this->image) {
$this->error = sprintf('Bad image format: "%s"', $this->filename);
if ($throwErrors) {
throw new InvalidParamException($this->error);
}
} else {
imagesavealpha($this->image, true);
}
}
