examples

      set terminal png medium size 640,480 background '#ffffff'

Use the medium size built-in non-scaleable, non-rotatable font. Use white (24-bit RGB in hexadecimal) for the non-transparent background.

      set terminal png font arial 14 size 800,600

Searches for a scalable font with face name 'arial' and sets the font size to 14pt. Please see fonts for details of how the font search is done.

      set terminal png transparent truecolor enhanced

Use 24 bits of color information per pixel, with a transparent background. Use the enhanced text mode to control the layout of strings to be printed.