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  3. FKeyBarCurveModel

FKeyBarCurveModel

Class that provides functionality to represents keys as continuous ranges.

API > API/Editor > API/Editor/CurveEditor

Inheritance Hierarchy

References

   
Module CurveEditor
Header /Engine/Source/Editor/CurveEditor/Public/KeyBarCurveModel.h
Include #include "KeyBarCurveModel.h"

Syntax

class FKeyBarCurveModel : public FCurveModel

Remarks

Class that provides functionality to represents keys as continuous ranges.

Constructors

  Type Name Description
Public function    

Destructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function Virtual void

BuildContextMenu ( const FCurveEditor& CurveEditor,
FMenuBuilder& MenuBuilder,
TOptional< FCurvePointHandle > ClickedPoint
)

 New Virtuals for Key Bar Curve Model
Public function Virtual TArray< FKeyBarCurveModel::FBarRange > Find all of the ranges in this model. This should return an increasing set of ranges.

Overridden from FCurveModel

  Type Name Description
Public function Virtual void

AddKeys ( TArrayView< const FKeyPosition > InPositions,
TArrayView< const FKeyAttributes > InAttributes,
TArrayView< TOptional< FKeyHandle >>* OutKeyHandles
)

 Add keys to this curve
Public function Virtual Const void

DrawCurve ( const FCurveEditor& CurveEditor,
const FCurveEditorScreenSpace& ScreenSpace,
TArray< TTuple< double, double >>& InterpolatingPoints
)

 Draw the curve for the specified curve editor by populating an array with points on the curve between which lines should be drawn
Public function Virtual Const bool

Evaluate ( double InTime,
double& OutValue
)

 Evaluate this curve at the specified time
Public function Virtual Const const void * Access the raw pointer of the curve data
Public function Virtual Const void

GetKeyDrawInfo ( ECurvePointType PointType,
const FKeyHandle InKeyHandle,
FKeyDrawInfo& OutDrawInfo
)

 Populate the specified draw info structure with data describing how to draw the specified point type
Public function Virtual Const void

GetKeyPositions ( TArrayView< const FKeyHandle > InKeys,
TArrayView< FKeyPosition > OutKeyPositions
)

 Retrieve all key positions that pertain to the specified input key handles
Public function Virtual Const void

GetKeys ( const FCurveEditor& CurveEditor,
double MinTime,
double MaxTime,
double MinValue,
double MaxValue,
TArray< FKeyHandle >& OutKeyHandles
)

 Retrieve all keys that lie in the specified time and value range
Public function Virtual Const void

GetNeighboringKeys ( const FKeyHandle InKeyHandle,
TOptional< FKeyHandle >& OutPreviousKeyHandle,
TOptional< FKeyHandle >& OutNextKeyHandle
)

 Get neighboring keys given the key handle
Public function Virtual Const int32 Get the number of keys
Public function Virtual Const void

GetTimeRange ( double& MinTime,
double& MaxTime
)

 Get range of input time.
Public function Virtual Const void

GetValueRange ( double& MinValue,
double& MaxValue
)

 Get range of output values.
Public function Virtual void

Modify ()

 Explicitly modify the curve data. Called before any change is made to the curve.
Public function Virtual void

RemoveKeys ( TArrayView< const FKeyHandle > InKeys
)

 Remove all the keys with the specified key handles from this curve
Public function Virtual void

SetKeyPositions ( TArrayView< const FKeyHandle > InKeys,
TArrayView< const FKeyPosition > InKeyPositions,
const EPropertyChangeType::Type ChangeType
)

 Assign key positions for the specified key handles

Classes

  Type Name Description
Public struct FBarRange Bar Ranges for the Keys  

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