X Window Programming from Scratch

Chapter 19. Save and Restore

In this chapter

• File Format Strategy

• Save and Restore Program Hooks

• Common-Object Save and Restore

• Object-Specific Save and Restore

• Next Steps

The ability for users to continue their work in subsequent sessions of the Graphics Editor marks it as a mature and professional-level application.

Borrowing from the discussion of Binary, ASCII, and ASCII-tagged file formats of Chapter 18,"File Formats," the following sections satisfy the requirement of saving and restoring the graphics objects created by the Graphics Editor.

This chapter introduces a file format strategy and shows how the common and specific data elements of the editor objects will easily comply.

File Format Strategy

Familiar with the concepts of formatting application ...