/**
* Method to write the current image out to a file.
*
* @param string $path The filesystem path to save the image.
* @param integer $type The image type to save the file as.
* @param array $options The image type options to use in saving the file.
*
* @return void
*
* @see http://www.php.net/manual/image.constants.php
* @since 11.3
* @throws LogicException
*/
public function toFile($path, $type = IMAGETYPE_JPEG, array $options = array())
{
// Make sure the resource handle is valid.
if (!$this->isLoaded()) {
throw new LogicException('No valid image was loaded');
}
if (is_string($type)) {
$type = WFImage::getImageType($type);
}
switch ($type) {
case IMAGETYPE_GIF:
$result = imagegif($this->handle, $path);
break;
case IMAGETYPE_PNG:
$quality = array_key_exists('quality', $options) ? $options['quality'] : 0;
// get as value from 0-9
if ($quality) {
// png compression is a value from 0 (none) to 9 (max)
$quality = 100 - $quality;
// convert to value between 0 - 9
$quality = min(floor($quality / 10), 9);
}
$result = imagepng($this->handle, $path, $quality);
break;
case IMAGETYPE_JPEG:
default:
$result = imagejpeg($this->handle, $path, array_key_exists('quality', $options) ? $options['quality'] : 100);
}
$this->destroy();
return $result;
}
