Frustrated because you want to output a high-quality image from your C++ program but haven't found an easy, direct and fast way? Try PNGwriter. Written with scientific simulations in mind, PNGwriter allows you to plot to a PNG image pixel by pixel.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.