Glide + GlideFormats + HTTP

.htaccess

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

composer.json

{
    "require": {
        "studiow/glideformat": "^1.0",
        "league/route": "^1.2",
        "league/flysystem-memory": "^1.0"
    }
}

index.php

<?php
/**
 * Use league/glide and studiow/glideformat for on-demand image scaling
 * The first request to a specific preset/image combination will generate the file in the right location 
 * so for the second request, no php gets executed.
 * 
 * @author Willem Wollebrants <[email protected]>
 */
use Studiow\GlideFormat\GlideFormatServer;
use Studiow\GlideFormat\Exception\PresetNotFoundException;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use League\Route\RouteCollection;
use League\Flysystem\Filesystem;
use League\Flysystem\Adapter\Local;
use League\Flysystem\Memory\MemoryAdapter;
use League\Glide\Filesystem\FileNotFoundException;

$loader = include __DIR__ . '/vendor/autoload.php';

$route = new RouteCollection();

$server = GlideFormatServer::createServer([
            //The upload dir
            'source' => new Filesystem(new Local(__DIR__ . '/uploads')),
            //The cache only exists in memory
            'cache' => new Filesystem(new MemoryAdapter()),
        ]);

//add some presets (= image formats)
$server->addPreset('thumbnail', ["w" => 100, "h" => 150, "fit" => "crop"]);
$server->addPreset('medium', ["w" => 300, "h" => 300, "fit" => "crop"]);



$route->get('/img/{preset}/{filename}', function(Request $request, Response $response, array $params = []) use($server) {
    //read the variables
    $preset = $params['preset'];
    $filename = $params['filename'];

    try {
        //let Glide create the image according to preset
        $path = $server->makeImage($filename, $preset);
        $images = new Filesystem(new Local(__DIR__ . '/img'));
        $images->put("/{$preset}/{$filename}", $server->getGlideServer()->getCache()->read($path));
        $server->outputImage($filename, $format);
    } catch (FileNotFoundException $exc) {
        //handle error: non-existing file
        return $response->setContent('wrong file');
    } catch (PresetNotFoundException $exc) {
        //handle error: non-existing preset
        return $response->setContent('wrong preset');
    }
});


//The usual router stuff
$request = Request::createFromGlobals();
$route->getDispatcher()->dispatch($request->getMethod(), $request->getPathInfo())->send();