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PDF Clown is a general-purpose Java and .NET library for manipulating PDF files through multiple abstraction layers, rigorously adhering to PDF 1.7 specification (ISO 32000-1).
This project aims to provide a universal access to PDF files (creation, reading, editing, rendering...) through an accurate and elegant object-oriented API.
* Features: http://pdfclown.org/overview/features/
* Overview: http://pdfclown.org/overview/architecture/
* Website: http://pdfclown.org/
* Blog: http://www.pdfclown.org/blog/
* Twitter: https://twitter.com/PDFClown
A powerful C++ class library for image manipulation
ImageStone is a powerful C++ class library for image manipulation. Its features include load, save, display, transformation, and nearly 100 special image effects. It can be used cross platform (includes Windows, Linux, Mac), and especially under windows it can be used as a DIB wrapper class.