pdf417的解码程序，用C编写。Pdf417decode can decode PDF417 barcode information from a pbm file-pdf417 decoding process, the preparation of C. Pdf417decode can decode PDF417 barcode inform ation from a pbm file

Potrace是一个位图图片的优化工具，它可以使其成为平滑，可自由缩放的图片。它输入的格式可以是PBM, PGM, PPM, 和 BMP 格式，默认的输出格式是EPS文件，它可以用于将公司的徽标和文件的扫描图片的锯齿消除，以任何分辨率显示出来。它的输出格式有： EPS, Postscr ipt, PDF, SVG , Xfig, Gimppath, 和PGM . -Potrace is a bitmap image optimization tools, which can make it sm

Imaging is native Object Pascal image loading, saving and manipulation library. It is available for several platforms and does not require any third party dynamic libraries or other compiled binaries. Main development language is Object Pascal