How to write graphics programs

To write graphics programs, use DrScheme with the MrEd (or MrEd Debug) language. MrEd provides a complete GUI toolbox that is described in .

For simple graphics programs, you may also use the viewport-based graphics library, which is described in . To load the viewport graphics library into MrEd, evaluate the following expression:
  (require-library "graphics.ss" "graphics")