DD::Image::TransformJack_ClientI Class Reference

List of all members.

Public Types
enum	TransformEvent {   EVENT_TRANSLATION, EVENT_ROTATE, EVENT_SKEW, EVENT_SCALE,   EVENT_CORNERPIN }
Public Member Functions
virtual bool	transformEvent (ViewerContext *ctx, const TransformJack_KnobI *transformJack, TransformEvent event)=0
virtual void	aboutToChange (ViewerContext *ctx, const TransformJack_KnobI *transformJack, int sourceFlags)=0
virtual void	finishedChange (ViewerContext *ctx, const TransformJack_KnobI *transformJack, int sourceFlags)=0
virtual bool	jackIsVisible ()

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Detailed Description

A class that can be inherited from an object interested in using the transform jack making it a transform jack client which can receive update reports

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Member Enumeration Documentation

enum DD::Image::TransformJack_ClientI::TransformEvent

the transform event types

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Member Function Documentation

virtual bool DD::Image::TransformJack_ClientI::transformEvent	(	ViewerContext *	ctx,
		const TransformJack_KnobI *	transformJack,
		TransformEvent	event
	)			[pure virtual]

a function that signals the client of an event that is about to happen

Parameters:

	ctx	the current viewer context
	event	the current event

Returns:

indicates whether the event was handled or not, if the event is not accepted then the transform wont be performed on the bounding box

virtual void DD::Image::TransformJack_ClientI::aboutToChange	(	ViewerContext *	ctx,
		const TransformJack_KnobI *	transformJack,
		int	sourceFlags
	)			[pure virtual]

indicates that a change is about to happen

Parameters:

	ctx	the current viewer context
	source	the source of the change about to happen

virtual void DD::Image::TransformJack_ClientI::finishedChange	(	ViewerContext *	ctx,
		const TransformJack_KnobI *	transformJack,
		int	sourceFlags
	)			[pure virtual]

indicates that a change has just finished

Parameters:

	ctx	the viewer context for the change
	source	the source of the change

virtual bool DD::Image::TransformJack_ClientI::jackIsVisible

(

)

[inline, virtual]

an overrideable function that can be used to signal if the jack is visible or not under certain circumstances

Returns:

the state of the jack