public function indexAction()
{
//Get original image info
$filePathEncoded = $this->params('base64ImagePath');
$filePath = getcwd() . "/public" . base64_decode($filePathEncoded);
$id = md5(filesize($filePath));
//Get the transform parameters
$width = $this->params('width');
$height = $this->params('height');
$mode = strtolower($this->params('mode'));
//Determine the cached image path
$pathTemplate = $this->config('image_resize.path');
$path = str_replace(array('{encodedPath}', '{id}', '{width}', '{height}', '{mode}'), array($filePathEncoded, $id, $width, $height, $mode), $pathTemplate);
$cachedImagePath = getcwd() . "/public/{$path}";
if (file_exists($cachedImagePath)) {
$content = file_get_contents($cachedImagePath);
} else {
//Load the image from Imagine
$imagine = new \Imagine\Gd\Imagine();
$image = $imagine->open($filePath);
//Get the image's original size
$size = $image->getSize();
//Scale appropriately by mode
switch ($mode) {
case "bywidth":
$height = $width / $size->getWidth() * $size->getHeight();
break;
case "byheight":
$width = $height / $size->getHeight() * $size->getWidth();
break;
case "fit":
$scale = min($width / $size->getWidth(), $height / $size->getHeight());
$width = $scale * $size->getWidth();
$height = $scale * $size->getHeight();
break;
case "crop":
$scale = max($width / $size->getWidth(), $height / $size->getHeight());
$width = $scale * $size->getWidth();
$height = $scale * $size->getHeight();
break;
case "exact":
//Nothing to do, keep original sizes
break;
}
//Apply the transformation
$transformation = new \Imagine\Filter\Transformation();
$transformation->resize(new \Imagine\Image\Box($width, $height));
$image = $transformation->apply($image);
//Crop the image if needed
if ($mode == "crop") {
$transformation = new \Imagine\Filter\Basic\Crop(new \Imagine\Image\Point(0, 0), new \Imagine\Image\Box($this->params('width'), $this->params('height')));
$image = $transformation->apply($image);
}
//Get the image content
$content = $image->get('png');
//Cache the image content
$dir = dirname($cachedImagePath);
if (!is_dir($dir)) {
mkdir($dir, 0755, true);
}
file_put_contents($cachedImagePath, $content);
}
//Output the image
$response = $this->getResponse();
$response->setContent($content);
$response->getHeaders()->addHeaderLine('Content-Transfer-Encoding', 'binary')->addHeaderLine('Content-Type', 'image/png')->addHeaderLine('Content-Length', mb_strlen($content));
return $response;
}
