VTK
vtkCompositeTransferFunctionItem.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkCompositeTransferFunctionItem.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
16#ifndef vtkCompositeTransferFunctionItem_h
17#define vtkCompositeTransferFunctionItem_h
18
19#include "vtkChartsCoreModule.h" // For export macro
21
23
24// Description:
25// vtkPlot::Color and vtkPlot::Brush have no effect here.
27{
28public:
31 virtual void PrintSelf(ostream &os, vtkIndent indent);
32
34 vtkGetObjectMacro(OpacityFunction, vtkPiecewiseFunction);
35
36protected:
39
40 // Description:
41 // Returns true if we are rendering in log space.
42 // Since vtkPiecewiseFunction doesn't support log, we show this transfer
43 // function in non-log space always.
44 virtual bool UsingLogScale() { return false; }
45
46 // Description:
47 // Reimplemented to return the range of the piecewise function
48 virtual void ComputeBounds(double bounds[4]);
49
50 virtual void ComputeTexture();
52
53private:
55 void operator=(const vtkCompositeTransferFunctionItem&) VTK_DELETE_FUNCTION;
56};
57
58#endif
virtual void ComputeBounds(double bounds[4])
static vtkCompositeTransferFunctionItem * New()
virtual void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
void SetOpacityFunction(vtkPiecewiseFunction *opacity)
virtual void ComputeTexture()
Need to be reimplemented by subclasses, ComputeTexture() is called at paint time if the texture is no...
a simple class to control print indentation
Definition: vtkIndent.h:40
Defines a 1D piecewise function.