VTK
vtkCompositeControlPointsItem.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkCompositeControlPointsItem.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 
33 #ifndef vtkCompositeControlPointsItem_h
34 #define vtkCompositeControlPointsItem_h
35 
36 #include "vtkChartsCoreModule.h" // For export macro
38 
41 
42 class VTKCHARTSCORE_EXPORT vtkCompositeControlPointsItem:
44 {
45 public:
47  void PrintSelf(ostream &os, vtkIndent indent) override;
48 
53 
57  virtual void SetColorTransferFunction(vtkColorTransferFunction* function);
58 
60 
63  void SetOpacityFunction(vtkPiecewiseFunction* opacity);
64  vtkGetObjectMacro(OpacityFunction, vtkPiecewiseFunction);
66 
68  ColorPointsFunction = 1,
69  OpacityPointsFunction = 2,
70  ColorAndOpacityPointsFunction = 3
71  };
73 
85  vtkSetMacro(PointsFunction, int);
86  vtkGetMacro(PointsFunction, int);
88 
94  vtkIdType AddPoint(double* newPos) override;
95 
101  vtkIdType RemovePoint(double* pos) override;
102 
104 
111  vtkSetMacro(UseOpacityPointHandles, bool);
112  vtkGetMacro(UseOpacityPointHandles, bool);
114 
116 
119  bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override;
120  bool MouseDoubleClickEvent(const vtkContextMouseEvent &mouse) override;
121  bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override;
123 
124 protected:
126  ~vtkCompositeControlPointsItem() override;
127 
128  void emitEvent(unsigned long event, void* params) override;
129 
131 
132  vtkIdType GetNumberOfPoints()const override;
133  void DrawPoint(vtkContext2D* painter, vtkIdType index) override;
134  void GetControlPoint(vtkIdType index, double* pos)const override;
135  void SetControlPoint(vtkIdType index, double *point) override;
136  void EditPoint(float tX, float tY) override;
137  virtual void EditPointCurve(vtkIdType idx);
138 
139  void MergeTransferFunctions();
140  void SilentMergeTransferFunctions();
141 
146 
147 private:
149  void operator=(const vtkCompositeControlPointsItem &) = delete;
150 };
151 
152 #endif
vtkControlPointsItem::MouseButtonPressEvent
bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override
Mouse button down event.
vtkColorTransferControlPointsItem::emitEvent
void emitEvent(unsigned long event, void *params) override
vtkContextMouseEvent
data structure to represent mouse events.
Definition: vtkContextMouseEvent.h:40
vtkColorTransferControlPointsItem::GetControlPoint
void GetControlPoint(vtkIdType index, double *point) const override
Returns the x and y coordinates as well as the midpoint and sharpness of the control point correspond...
vtkIdType
int vtkIdType
Definition: vtkType.h:347
vtkColorTransferControlPointsItem::SetColorTransferFunction
void SetColorTransferFunction(vtkColorTransferFunction *function)
Set the piecewise function to draw its points.
vtkControlPointsItem::MouseDoubleClickEvent
bool MouseDoubleClickEvent(const vtkContextMouseEvent &mouse) override
Mouse button double click event.
vtkColorTransferControlPointsItem::EditPoint
void EditPoint(float tX, float tY) override
vtkColorTransferControlPointsItem.h
vtkCompositeControlPointsItem::PointsFunctionType
PointsFunctionType
Definition: vtkCompositeControlPointsItem.h:67
vtkContext2D
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:58
vtkColorTransferControlPointsItem::AddPoint
vtkIdType AddPoint(double *newPos) override
Add a point to the function.
vtkPiecewisePointHandleItem
a vtkContextItem that draws handles around a point of a piecewise function
Definition: vtkPiecewisePointHandleItem.h:39
vtkColorTransferFunction
Defines a transfer function for mapping a property to an RGB color value.
Definition: vtkColorTransferFunction.h:54
vtkCompositeControlPointsItem::PointsFunction
int PointsFunction
Definition: vtkCompositeControlPointsItem.h:142
vtkColorTransferControlPointsItem::GetNumberOfPoints
vtkIdType GetNumberOfPoints() const override
Return the number of points in the color transfer function.
vtkCompositeControlPointsItem::OpacityFunction
vtkPiecewiseFunction * OpacityFunction
Definition: vtkCompositeControlPointsItem.h:143
vtkColorTransferControlPointsItem
Control points for vtkColorTransferFunction.
Definition: vtkColorTransferControlPointsItem.h:39
vtkX3D::point
Definition: vtkX3D.h:236
vtkColorTransferControlPointsItem::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkColorTransferControlPointsItem::New
static vtkColorTransferControlPointsItem * New()
Creates a piecewise control points object.
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:39
vtkColorTransferControlPointsItem::DrawPoint
void DrawPoint(vtkContext2D *painter, vtkIdType index) override
vtkColorTransferControlPointsItem::RemovePoint
vtkIdType RemovePoint(double *pos) override
Remove a point of the function.
vtkColorTransferControlPointsItem::SetControlPoint
void SetControlPoint(vtkIdType index, double *point) override
Sets the x and y coordinates as well as the midpoint and sharpness of the control point corresponding...
vtkCompositeControlPointsItem::OpacityPointHandle
vtkPiecewisePointHandleItem * OpacityPointHandle
Definition: vtkCompositeControlPointsItem.h:144
vtkPiecewiseFunction
Defines a 1D piecewise function.
Definition: vtkPiecewiseFunction.h:51
vtkColorTransferControlPointsItem::GetControlPointsMTime
vtkMTimeType GetControlPointsMTime() override
vtkControlPointsItem::MouseMoveEvent
bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override
Mouse move event.
vtkCompositeControlPointsItem::UseOpacityPointHandles
bool UseOpacityPointHandles
Definition: vtkCompositeControlPointsItem.h:145
vtkX3D::index
Definition: vtkX3D.h:246
vtkCompositeControlPointsItem
Control points for vtkCompositeFunction.
Definition: vtkCompositeControlPointsItem.h:42
vtkMTimeType
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:302