"No documentation" seems a bit harsh - there's a Getting Started guide in docs/ [0] and fairly good commenting on the interfaces in public/ [1] [0] https://pdf

"No documentation" seems a bit harsh - there's a Getting Started guide in docs/ [0] and fairly good commenting on the interfaces in public/ [1] [0] https://pdfium.googlesource.com/pdfium/+/refs/heads/master/docs/ https://pdfium.googlesource.com/pdfium/+/refs/heads/master/d... [1] https://pdfium.googlesource.com/pdfium/+/refs/heads/master/public/ https://pdfium.googlesource.com/pdfium/+/refs/heads/master/p...