Haru is a free, cross platform, open-source c library for generating pdf files. it supports the following features:
1. generation of pdf files with lines, text and images.
2. outlines, text and link annotations.
3. document compression usig deflate-decode.
4. embedded png and jpeg images.
5. embedded type1 and truetype fonts.
6. creation of encrypted pdf files.
7. usage of various character sets (iso8859-1~16, mscp1250~8, koi8-r).
8. support for cjk fonts and encodings.