Are there some libraries with C API to draw pictures? Just like the library matplotlib in python. I will use it to draw lines, dots, circles and I hope it has detailed documentation and opensource. My platform is gentoo.
Are there some libraries with C API to draw pictures? Just like the library
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The most comprehensive one is probably ImageMagick. They suggest using the MagickWand API.
Other options are cairo, with a image buffer output device, or maybe libgd.