MFnKeyframeDeltaMove Class Reference

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Detailed Description

Function set for change in keyframe value or time.

This function set is used for keyframe deltas of type MFn::kKeyframeDeltaMove. These keyframe deltas are generated from 'move' events. For example, the user drags or scales a key from one position to another.

#include <MFnKeyframeDeltaMove.h>

Inheritance diagram for MFnKeyframeDeltaMove:

List of all members.

Public Member Functions
virtual MFn::Type	type () const
	Function set type.
virtual	~MFnKeyframeDeltaMove ()
	Destructor.
	MFnKeyframeDeltaMove ()
	Default constructor.
	MFnKeyframeDeltaMove (MObject &object, MStatus *ReturnStatus=NULL)
	Constructor.
MTime	previousTime (MStatus *ReturnStatus=NULL) const
	The previous time value of this key.
MTime	currentTime (MStatus *ReturnStatus=NULL) const
	The current/current time value.
double	previousValue (MStatus *ReturnStatus=NULL) const
	The previous value of the key prior to the change.
double	currentValue (MStatus *ReturnStatus=NULL) const
	The current value of the key.
unsigned int	previousIndex (MStatus *ReturnStatus=NULL) const
	The previous index value of this key.
virtual unsigned int	keyIndex (MStatus *ReturnStatus=NULL) const
	The current index value of this key.
	MFnKeyframeDeltaMove (const MObject &object, MStatus *ReturnStatus=NULL)
	Constructor.
Protected Member Functions
virtual const char *	className () const
	Class name.

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Constructor & Destructor Documentation

MFnKeyframeDeltaMove	(	MObject &	object,
		MStatus *	ReturnStatus = NULL
	)

Constructor.

Class constructor that initializes the function set to the given MObject.

Parameters:

[in]	object	The MObject to attach the function set to
[out]	ReturnStatus	the return status

Status Codes:

• MS::kSuccess if the function set is successfully attached
• MS::kInvalidParameter if the MObject does not represent a valid Maya object or if the function set is not allowed to attach to this MObject

MFnKeyframeDeltaMove	(	const MObject &	object,
		MStatus *	ReturnStatus = NULL
	)

Constructor.

Class constructor that initializes the function set to the given MObject.

Parameters:

[in]	object	The MObject to attach the function set to
[out]	ReturnStatus	the return status

Status Codes:

• MS::kSuccess if the function set is successfully attached
• MS::kInvalidParameter if the MObject does not represent a valid Maya object or if the function set is not allowed to attach to this MObject

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Member Function Documentation

MFn::Type type

(

)

const [virtual]

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Function set type.

Return the class type : MFn::kKeyframeDeltaMove.

Reimplemented from MFnKeyframeDelta.

const char * className

(

)

const [protected, virtual]

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Class name.

Return the class name : "MFnKeyframeDeltaMove".

Reimplemented from MFnKeyframeDelta.

MTime previousTime

(

MStatus *

ReturnStatus = NULL

)

const

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The previous time value of this key.

Parameters:

[out]

ReturnStatus

Return Code

Returns:

A MTime containing the previous time of this key.

Status Codes:

• MS::kSuccess The operation succeeded.
• MS::kFailure An object error has occurred.

MTime currentTime

(

MStatus *

ReturnStatus = NULL

)

const

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The current/current time value.

Parameters:

[out]

ReturnStatus

Status code.

Returns:

A MTime containing the current time of this key.

Status Codes:

• MS::kSuccess The operation succeeded.
• MS::kFailure An object error has occurred.

double previousValue

(

MStatus *

ReturnStatus = NULL

)

const

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The previous value of the key prior to the change.

The value corresponds to the units of the animation curve.

Parameters:

[out]

ReturnStatus

Return code.

Returns:

A double representing the previous value of the key.

Status Codes:

• MS::kSuccess The operation succeeded.
• MS::kFailure An object error has occurred.

double currentValue

(

MStatus *

ReturnStatus = NULL

)

const

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The current value of the key.

The value corresponds to the units of the animation curve.

Parameters:

[out]

ReturnStatus

Return code.

Returns:

A double representing the current value of the key.

Status Codes:

• MS::kSuccess The operation succeeded.
• MS::kFailure An object error has occurred.

unsigned int previousIndex

(

MStatus *

ReturnStatus = NULL

)

const

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The previous index value of this key.

If a key has been moved over another key then you can use this previous index to figure out where the key was moved from.

Parameters:

[out]

ReturnStatus

Return code.

Returns:

An unsigned value representing the previous index of this key on the curve.

Status Codes:

• MS::kSuccess The operation succeeded.
• MS::kFailure An object error has occurred.

unsigned int keyIndex

(

MStatus *

ReturnStatus = NULL

)

const [virtual]

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The current index value of this key.

Parameters:

[out]

ReturnStatus

Return code.

Returns:

An unsigned value representing the current index of this key on the curve.

Status Codes:

• MS::kSuccess The operation succeeded.
• MS::kFailure An object error has occurred.

Reimplemented from MFnKeyframeDelta.