Imports code.google.com/p/freetype-go/freetype code.google.com/p/draw2d/draw2d code.google.com/p/freetype-go/freetype/raster code.google.com/p/freetype-go/freetype/truetype code.google.com/p/graphics-go/graphics github.com/vdobler/chart Standard library imports bytes compress/gzip image image/color image/draw io log math