/**
* Check dimensions, perform resize and then call parent validator.
*
* @param array $value
* @return sfValidatedFile
*/
protected function doClean($value)
{
$file = parent::doClean($value);
// resize the image by default
if ($this->getOption('resize')) {
// first of all, resize to given maximum and/or width but check for exception
// if unsupported file format
// FIXME this isn't elegant and should fail better (mime_types check should fail first before resize attempted)
try {
$image = new ImageTransform($file->getTempName(), $file->getType());
$image->fit($this->getOption('max_width'), $this->getOption('max_height'));
$image->save($file->getTempName());
} catch (Exception $e) {
// do nothing
}
} else {
// fetch image info
list($width, $height, $type, $attr) = getimagesize($file->getTempName());
// do we have some exact required dimensions?
if ($this->getOption('required_width') !== false || $this->getOption('required_height') !== false) {
$passes_width = ($required_width = $this->getOption('required_width')) ? $width == $required_width : true;
$passes_height = ($required_height = $this->getOption('required_height')) ? $height == $required_height : true;
if (!$passes_height || !$passes_width) {
throw new sfValidatorError($this, 'required_dimensions', array('width' => $width, 'height' => $height, 'required_width' => $required_width, 'required_height' => $required_height));
}
}
// check both dimensions to show useful error about both width and height if needed
if ($width > $this->getOption('max_width') && $height > $this->getOption('max_height')) {
throw new sfValidatorError($this, 'max_dimensions', array('width' => $width, 'height' => $height, 'max_width' => $this->getOption('max_width'), 'max_height' => $this->getOption('max_height')));
} elseif ($width > $this->getOption('max_width')) {
throw new sfValidatorError($this, 'max_width', array('width' => $width, 'max_width' => $this->getOption('max_width')));
} elseif ($height > $this->getOption('max_height')) {
throw new sfValidatorError($this, 'max_height', array('height' => $height, 'max_height' => $this->getOption('max_height')));
}
}
// now tell sfValidatorFile to do its own checks
return $file;
}
