Main Page | Class Hierarchy | Alphabetical List | Class List | File List | Class Members | File Members | Related Pages
Imaging/vtkImageBlend.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImageBlend.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00092 #ifndef __vtkImageBlend_h
00093 #define __vtkImageBlend_h
00094 
00095 
00096 #include "vtkImageMultipleInputFilter.h"
00097 
00098 class vtkImageStencilData;
00099 
00100 #define VTK_IMAGE_BLEND_MODE_NORMAL    0
00101 #define VTK_IMAGE_BLEND_MODE_COMPOUND 1
00102 
00103 class VTK_IMAGING_EXPORT vtkImageBlend : public vtkImageMultipleInputFilter
00104 {
00105 public:
00106   static vtkImageBlend *New();
00107   vtkTypeRevisionMacro(vtkImageBlend,vtkImageMultipleInputFilter);
00108   void PrintSelf(ostream& os, vtkIndent indent);
00109 
00111 
00113   void SetOpacity(int idx, double opacity);
00114   double GetOpacity(int idx);
00116 
00118 
00119   virtual void SetStencil(vtkImageStencilData*);
00120   vtkGetObjectMacro(Stencil, vtkImageStencilData);
00122 
00124 
00125   vtkSetClampMacro(BlendMode,int,
00126                    VTK_IMAGE_BLEND_MODE_NORMAL, 
00127                    VTK_IMAGE_BLEND_MODE_COMPOUND );
00128   vtkGetMacro(BlendMode,int);
00129   void SetBlendModeToNormal() 
00130         {this->SetBlendMode(VTK_IMAGE_BLEND_MODE_NORMAL);};
00131   void SetBlendModeToCompound() 
00132         {this->SetBlendMode(VTK_IMAGE_BLEND_MODE_COMPOUND);};
00133   const char *GetBlendModeAsString(void);
00135 
00137 
00139   vtkSetMacro(CompoundThreshold,float);
00140   vtkGetMacro(CompoundThreshold,float);
00142 
00143 protected:
00144   vtkImageBlend();
00145   ~vtkImageBlend();
00146 
00147   void ComputeInputUpdateExtent(int inExt[6], int outExt[6],
00148                                 int whichInput);
00149 
00150   void ExecuteInformation() {
00151     this->vtkImageMultipleInputFilter::ExecuteInformation(); };
00152 
00153   void ExecuteInformation(vtkImageData **, vtkImageData *);
00154 
00155   void ThreadedExecute(vtkImageData **inDatas, 
00156                        vtkImageData *outData,
00157                        int extent[6], 
00158                        int id);
00159 
00160   void ExecuteData(vtkDataObject *output);
00161   
00162   vtkImageStencilData *Stencil;
00163   double *Opacity;
00164   int OpacityArrayLength;
00165   int BlendMode;
00166   float CompoundThreshold;
00167   int DataWasPassed;  
00168 private:
00169   vtkImageBlend(const vtkImageBlend&);  // Not implemented.
00170   void operator=(const vtkImageBlend&);  // Not implemented.
00171 };
00172 
00174 inline const char *vtkImageBlend::GetBlendModeAsString()
00175 {
00176   switch (this->BlendMode)
00177     {
00178     case VTK_IMAGE_BLEND_MODE_NORMAL:
00179       return "Normal";
00180     case VTK_IMAGE_BLEND_MODE_COMPOUND:
00181       return "Compound";
00182     default:
00183       return "Unknown Blend Mode";
00184     }
00185 }
00186 
00187 
00188 #endif
00189 
00190 
00191 
00192