onstore / thumbnailer

Thumbnail generation library that provides media detection, image conversion (as necessary) and thumbnail generation.

thumbnailer

Thumbnail generation library that provides media detection, conversion (as necessary), and thumbnail generation.

API

Thumbnailer handles the media type detection and uses a fluid API design to keep things simple, so for any supported file type (ie png, jpg, gif, pdf, ppt...) you use the same API:

Thumbnailer.thumb(in).height(400).create(outFile);

Check out Thumbnailer.Builder API to see what you can do.

Extending Thumbnailer

Thumbnailer comes with several media converters (PDF, PPT, PTTX, and ImageIO) uses java.util.ServiceLoader to discover and load media converters, however you can provide your own converters by simply implementing the org.geoint.thumbnailer.converter.MediaConverter interface and adding your converters class name to a service file, as defined by the ServiceLoader API. Thumbnailer will pick up the plugin and will call it for any matching media type.