/**
* Save the image based on its file type.
* @param string $savePath Where to save the image
* @return boolean
*/
public function save($savePath)
{
$image = $this->image;
$imageQuality = $this->getOption('quality');
// Determine the image type from the destination file
$extension = FileHelper::extension($savePath) ?: $this->extension;
// Create and save an image based on it's extension
switch (strtolower($extension)) {
case 'jpg':
case 'jpeg':
// Check JPG support is enabled
if (imagetypes() & IMG_JPG) {
imagejpeg($image, $savePath, $imageQuality);
}
break;
case 'gif':
// Check GIF support is enabled
if (imagetypes() & IMG_GIF) {
imagegif($image, $savePath);
}
break;
case 'png':
// Scale quality from 0-100 to 0-9
$scaleQuality = round($imageQuality / 100 * 9);
// Invert quality setting as 0 is best, not 9
$invertScaleQuality = 9 - $scaleQuality;
// Check PNG support is enabled
if (imagetypes() & IMG_PNG) {
imagepng($image, $savePath, $invertScaleQuality);
}
break;
default:
throw new Exception(sprintf('Invalid image type: %s. Accepted types: jpg, gif, png.', $extension));
break;
}
// Remove the resource for the resized image
imagedestroy($image);
}
/**
* Returns the file extension.
*/
public function getExtension()
{
return FileHelper::extension($this->file_name);
}
