"Jordi Gutiérrez Hermoso" <jordigh@gmail.com> writes: > Suggestions? "NETPBM" (libnetpbm10-dev). This is C library which povides a very simple interface for manipulating bitmapped images at the pixel level. It treats the bitmaps as 2d arrays in memory and will let you output to many file formats including PNG. You might also look into "plotutils" (libplot-dev). -Brett.