Interactive Classes and Devices

• Interactive Classes
  • General Structure
  • Class Hierarchy
  • Classes and Methods
  • Utility Functions
• Graphic Devices
  • Device
  • GraphicDevice
  • An Example Low-Level Display Method
• Resource file .graperc
  • General usage of ResourceDev files
  • Methods on class ResourceDev
  • Utility Functions on class ResourceDev
  • Code Example : Resource Device Implementation in the Postscript Driver