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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkQtLabelRenderStrategy.h 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00030 #ifndef __vtkQtLabelRenderStrategy_h 00031 #define __vtkQtLabelRenderStrategy_h 00032 00033 #include "vtkLabelRenderStrategy.h" 00034 00035 class vtkLabelSizeCalculator; 00036 class vtkLabeledDataMapper; 00037 class vtkPlaneSource; 00038 class vtkPolyDataMapper2D; 00039 class vtkQImageToImageSource; 00040 class vtkTexture; 00041 class vtkTexturedActor2D; 00042 class vtkTextureMapToPlane; 00043 00044 class VTK_RENDERING_EXPORT vtkQtLabelRenderStrategy : public vtkLabelRenderStrategy 00045 { 00046 public: 00047 void PrintSelf(ostream& os, vtkIndent indent); 00048 vtkTypeMacro(vtkQtLabelRenderStrategy, vtkLabelRenderStrategy); 00049 static vtkQtLabelRenderStrategy* New(); 00050 00051 //BTX 00053 00055 virtual void ComputeLabelBounds(vtkTextProperty* tprop, vtkStdString label, double bds[4]) 00056 { this->Superclass::ComputeLabelBounds(tprop, label, bds); } 00057 virtual void ComputeLabelBounds(vtkTextProperty* tprop, vtkUnicodeString label, double bds[4]); 00059 00061 00063 virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label) 00064 { this->Superclass::RenderLabel(x, tprop, label); } 00065 virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label, int maxWidth) 00066 { this->Superclass::RenderLabel(x, tprop, label, maxWidth); } 00067 virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkUnicodeString label); 00068 virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkUnicodeString label, int maxWidth); 00069 //ETX 00071 00073 virtual void StartFrame(); 00074 00076 virtual void EndFrame(); 00077 00081 virtual void ReleaseGraphicsResources(vtkWindow *window); 00082 00083 protected: 00084 vtkQtLabelRenderStrategy(); 00085 ~vtkQtLabelRenderStrategy(); 00086 00087 //BTX 00088 class Internals; 00089 Internals* Implementation; 00090 //ETX 00091 00092 vtkQImageToImageSource* QImageToImage; 00093 vtkPlaneSource* PlaneSource; 00094 vtkTextureMapToPlane* TextureMapToPlane; 00095 vtkTexture* Texture; 00096 vtkPolyDataMapper2D* Mapper; 00097 vtkTexturedActor2D* Actor; 00098 bool AntialiasText; // Should the text be antialiased, inherited from render window. 00099 00100 private: 00101 vtkQtLabelRenderStrategy(const vtkQtLabelRenderStrategy&); // Not implemented. 00102 void operator=(const vtkQtLabelRenderStrategy&); // Not implemented. 00103 }; 00104 00105 #endif 00106