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59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkCompositeTransferFunctionItem.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#ifndef vtkCompositeTransferFunctionItem_h
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#define vtkCompositeTransferFunctionItem_h
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#include "vtkChartsCoreModule.h" // For export macro
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#include "vtkColorTransferFunctionItem.h"
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class vtkPiecewiseFunction;
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// Description:
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// vtkPlot::Color and vtkPlot::Brush have no effect here.
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class VTKCHARTSCORE_EXPORT vtkCompositeTransferFunctionItem: public vtkColorTransferFunctionItem
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{
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public:
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static vtkCompositeTransferFunctionItem* New();
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vtkTypeMacro(vtkCompositeTransferFunctionItem, vtkColorTransferFunctionItem);
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virtual void PrintSelf(ostream &os, vtkIndent indent);
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void SetOpacityFunction(vtkPiecewiseFunction* opacity);
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vtkGetObjectMacro(OpacityFunction, vtkPiecewiseFunction);
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protected:
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vtkCompositeTransferFunctionItem();
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virtual ~vtkCompositeTransferFunctionItem();
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// Description:
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// Returns true if we are rendering in log space.
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// Since vtkPiecewiseFunction doesn't support log, we show this transfer
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// function in non-log space always.
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virtual bool UsingLogScale() { return false; }
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// Description:
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// Reimplemented to return the range of the piecewise function
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virtual void ComputeBounds(double bounds[4]);
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virtual void ComputeTexture();
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vtkPiecewiseFunction* OpacityFunction;
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private:
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vtkCompositeTransferFunctionItem(const vtkCompositeTransferFunctionItem&); // Not implemented.
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void operator=(const vtkCompositeTransferFunctionItem&); // Not implemented
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};
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#endif
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