/**
* Runs [self::check] and loads the image.
*
* @param string $file image file path
* @return void
* @throws ErrorException
*/
public function __construct($file)
{
if (!self::$_checked) {
// Run the install check
self::check();
}
parent::__construct($file);
// Set the image creation function name
switch ($this->type) {
case IMAGETYPE_JPEG:
$create = 'imagecreatefromjpeg';
break;
case IMAGETYPE_GIF:
$create = 'imagecreatefromgif';
break;
case IMAGETYPE_PNG:
$create = 'imagecreatefrompng';
break;
}
if (!isset($create) or !function_exists($create)) {
throw new ErrorException('Installed GD does not support :type images', array(':type' => image_type_to_extension($this->type, FALSE)));
}
// Save function for future use
$this->_create_function = $create;
// Save filename for lazy loading
$this->_image = $this->file;
}
/**
* Runs [self::check] and loads the image.
*
* @return void
* @throws ErrorException
*/
public function __construct($file)
{
if (!self::$_checked) {
// Run the install check
self::check();
}
parent::__construct($file);
$this->im = new Imagick();
$this->im->readImage($file);
if (!$this->im->getImageAlphaChannel()) {
// Force the image to have an alpha channel
$this->im->setImageAlphaChannel(Imagick::ALPHACHANNEL_SET);
}
}
