Middleware for resizing images
Connect middleware that resizes images on the fly with graphicsmagick.
It supports cropping & scaling, and caches the resulting images.
Shrink will then intercept all calls to:
Where the hex hash can either be (pseudo code):
md5(cacheFilename + secret) (when you can generate the hashes for each file individually)
md5("resize-40x60-secret") (when you have a JS app wher you can't leak the
secret, but give the permission to generate a specify size of images)
0-100, the quality of the resulting images
This function get's called with the
filename parameter, and should return a
complete URI to the filename. If you're working with mongo or some other store
for your images, read the image here, and save it temporarely. Then call the
callback with the
isTmpFile parameter like this:
// Read file here and save it to tmpFileUricallbacktmpFileUri true;// Passing `true` here tells image-shrink that it should delete the// file when the image has been processed.;
The path for the cache.