1 /*========================================================================= 2 3 Program: Visualization Toolkit 4 Module: vtkColorTransferFunctionItem.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 vtkColorTransferFunctionItem_h 17 #define vtkColorTransferFunctionItem_h 18 19 #include "vtkChartsCoreModule.h" // For export macro 20 #include "vtkScalarsToColorsItem.h" 21 22 class vtkColorTransferFunction; 23 class vtkImageData; 24 25 // Description: 26 // vtkPlot::Color, vtkPlot::Brush, vtkScalarsToColors::DrawPolyLine, 27 // vtkScalarsToColors::MaskAboveCurve have no effect here. 28 class VTKCHARTSCORE_EXPORT vtkColorTransferFunctionItem: public vtkScalarsToColorsItem 29 { 30 public: 31 static vtkColorTransferFunctionItem* New(); 32 vtkTypeMacro(vtkColorTransferFunctionItem, vtkScalarsToColorsItem); 33 virtual void PrintSelf(ostream &os, vtkIndent indent); 34 35 void SetColorTransferFunction(vtkColorTransferFunction* t); 36 vtkGetObjectMacro(ColorTransferFunction, vtkColorTransferFunction); 37 38 protected: 39 vtkColorTransferFunctionItem(); 40 virtual ~vtkColorTransferFunctionItem(); 41 42 // Description: 43 // Returns true if we are rendering in log space. 44 virtual bool UsingLogScale(); 45 46 47 // Description: 48 // Reimplemented to return the range of the lookup table 49 virtual void ComputeBounds(double bounds[4]); 50 51 virtual void ComputeTexture(); 52 vtkColorTransferFunction* ColorTransferFunction; 53 private: 54 vtkColorTransferFunctionItem(const vtkColorTransferFunctionItem&); // Not implemented 55 void operator=(const vtkColorTransferFunctionItem&); // Not implemented 56 }; 57 58 #endif 59