UndoCommand Class Reference

#include <undocommand.h>

Inheritance diagram for UndoCommand:

Public Member Functions
virtual QImage	redo (QImage image)=0
virtual QImage	undo (QImage image)=0

Detailed Description

A class implementing the command pattern.

This is used to implemented various filters.

Definition at line 14 of file undocommand.h.

Member Function Documentation

redo()

virtual QImage UndoCommand::redo ( QImage  image )

pure virtual

Applies the change to the document.

Implemented in CropCommand, RotateCommand, ResizeCommand, and MirrorCommand.

undo()

virtual QImage UndoCommand::undo ( QImage  image )

pure virtual

Revert a change to the document.

Implemented in CropCommand, RotateCommand, ResizeCommand, and MirrorCommand.

---

The documentation for this class was generated from the following files:

• undocommand.h
• undocommand.cpp