The imagelib library implements image formats such as PNG or PPM

The imagelib library implements image formats such as PNG or PPM in OCaml, relying on only one external dependency: camlzip. However, we plan to reimplement zlib in OCaml at some point.

Supported image formats:

• PNG (full implementation of RCF 2083),
• PPM, PGM, PBM, ... (fully supported),
• JPG (only image size natively, conversion to PNG otherwise),
• GIF (only image size natively, conversion to PNG otherwise),
• XCF (only image size natively, conversion to PNG otherwise),
• Other formats rely on convert (imagemagick).

As imagelib only requires camlzip, it is suitable for compilation to javascript using js_of_ocaml (only for operations not requireing the convert binary).