C# Class Paint.ImageStateData

Image state data.

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Public Methods

Method	Description
DecrementSavePoint ( ) : void	Decrements the save point by one - but taking into account wrapping past zero
ImageStateData ( int width, int height, int maxUndoRedoCount, int firstSavePoint, int lastSavePoint, int currentSavePoint ) : System	Initializes a new instance of the Paint.ImageStateData class.
IncrementSavePoint ( ) : void	Increments the save point by one - but taking into account wrapping back to zero
ResetLastSavePoint ( ) : void	Resets the last save point to be the same as the current save point e.g. if user presses undo and then alters the image then we need to throw away future redo images - i.e. reset the lastSavePoint that we can go back to as the current save point

Method Details

DecrementSavePoint() public method

Decrements the save point by one - but taking into account wrapping past zero

public DecrementSavePoint ( ) : void
return	void

ImageStateData() public method

Initializes a new instance of the Paint.ImageStateData class.

public ImageStateData ( int width, int height, int maxUndoRedoCount, int firstSavePoint, int lastSavePoint, int currentSavePoint ) : System
width	int	Width of the image
height	int	Height of the image
maxUndoRedoCount	int	How big is the undo/redo list
firstSavePoint	int	Which save point is the first one - ie. what is the furthest we can go back /// if we continually undo
lastSavePoint	int	Which save point is the last one - ie. indicates how many times we can press /// redo
currentSavePoint	int	The current save point
return	System

IncrementSavePoint() public method

Increments the save point by one - but taking into account wrapping back to zero

public IncrementSavePoint ( ) : void
return	void

ResetLastSavePoint() public method

Resets the last save point to be the same as the current save point e.g. if user presses undo and then alters the image then we need to throw away future redo images - i.e. reset the lastSavePoint that we can go back to as the current save point

public ResetLastSavePoint ( ) : void
return	void