Dynamic filter with liipImagineBundle - image

Question

I'm using liipImagineBundle and am trying to apply a filter directly into a controller.
In the doc I found two sections in which explains how to use liipImagineBundle from the controller. This one https://github.com/liip/LiipImagineBundle#using-the-controller-as-a-service
public function indexAction()
{
// RedirectResponse object
$imagemanagerResponse = $this->container
->get('liip_imagine.controller')
->filterAction(
$this->getRequest(),
'uploads/foo.jpg', // original image you want to apply a filter to
'my_thumb' // filter defined in config.yml
);
// string to put directly in the "src" of the tag <img>
$srcPath = $imagemanagerResponse->headers->get('location');
// ..
}
And https://github.com/liip/LiipImagineBundle/blob/master/Resources/doc/filters.md#dynamic-filters
public function filterAction(Request $request, $path, $filter)
{
$targetPath = $this->cacheManager->resolve($request, $path, $filter);
if ($targetPath instanceof Response) {
return $targetPath;
}
$image = $this->dataManager->find($filter, $path);
$filterConfig = $this->filterManager->getFilterConfiguration();
$config = $filterConfig->get($filter);
$config['filters']['thumbnail']['size'] = array(300, 100);
$filterConfig->set($filter, $config);
$response = $this->filterManager->get($request, $filter, $image, $path);
if ($targetPath) {
$response = $this->cacheManager->store($response, $targetPath, $filter);
}
return $response;
}
I tested as indicated in "Using the controller as a service" and it works, the problem I have is that I don't know how to access the filter settings to modify it.
liip_imagine:
driver: gd
web_root: %kernel.root_dir%/../web
data_root: %kernel.root_dir%/../web
cache_mkdir_mode: 0777
cache_prefix: /media/cache
cache: web_path
cache_clearer: true
data_loader: filesystem
controller_action: liip_imagine.controller:filterAction
formats: []
filter_sets:
my_thumb:
filters:
crop: { start: [0, 0], size: [200, 150] }
my_paste:
quality: 90
filters:
paste: { start: [30, 60], image: ../web/uploads/images/firma.jpg }
The second, really, I don't understand when he says "With a custom data loader...".
In the example he is only modifying the method filteraction() from the ImagineController class (Liip\ImagineBundle\Controller). I wonder how I can modify that method dynamically? For example from my controller indexAction().
Also i have read this post https://stackoverflow.com/questions/16166719/loading-your-custom-filters-with-liipimaginebundle where #NSCoder says that "You can use the built in filter and modify their configuration." but i don't understand it.
I've been looking for several days but I haven't found an example from which to start.

Answer 1

Looking for some more I found another LiipImagineBundle topic (Use LiipImagineBundle to Resize Image after Upload?) that has helped me to do what I wanted..
here I leave the code I use to dynamically apply a filter
public function indexAction()
{
$container = $this->container;
# The controller service
$imagemanagerResponse = $container->get('liip_imagine.controller');
# The filter configuration service
$filterConfiguration = $container->get('liip_imagine.filter.configuration');
# Get the filter settings
$configuracion = $filterConfiguration->get('my_thumb');
# Update filter settings
$configuracion['filters']['crop']['size'] = array(50, 150);
$configuracion['filters']['crop']['start'] = array(10, 10);
$filterConfiguration->set('my_thumb', $configuracion);
# Apply the filter
$imagemanagerResponse->filterAction($this->getRequest(),'uploads/images/logo.jpg','my_thumb');
# Move the img from temp
$fileTemporal = new File('media/cache/my_thumb/uploads/images/logo.jpg');
$fileTemporal->move('uploads/images/', 'mini-logo.jpg');
####################################
}