Aleksandr Mikhailov

It seems it's in specification https://docs.microsoft.com/en-us/openspecs/office_standards/ms-oi29500/d34ae755-c53f-4a44-a363-c6dd3ee018a4

Thank you! Is it possible to implement my own "pre-filters" without patching core of the library? I'd like to implement more sophisticated auto cropping involving several calls to imagecropauto with...

I can preprocess image myself, but it causes a lot of boilerplate code, like choosing function to read image from jpg/png/gif but the best code is not written code ))...