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vtkActor2DCollection.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkActor2DCollection.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 =========================================================================*/
00030 #ifndef __vtkActor2DCollection_h
00031 #define __vtkActor2DCollection_h
00032 
00033 #include "vtkPropCollection.h"
00034 
00035 #include "vtkActor2D.h" // Needed for inline methods
00036 
00037 class vtkViewport;
00038 
00039 class VTK_COMMON_EXPORT vtkActor2DCollection : public vtkPropCollection
00040 {
00041  public:
00044   static vtkActor2DCollection *New();
00045 
00046   vtkTypeRevisionMacro(vtkActor2DCollection,vtkPropCollection);
00047 
00050   void Sort();
00051   
00054   void AddItem(vtkActor2D *a);
00055 
00057 
00058   int IsItemPresent(vtkActor2D *a);
00059   vtkActor2D *GetNextActor2D();
00060   vtkActor2D *GetLastActor2D();
00062 
00064 
00067  vtkActor2D *GetNextItem();
00068  vtkActor2D *GetLastItem();
00070 
00071     
00073   void RenderOverlay(vtkViewport* viewport);
00074 
00075 
00076 protected:
00077   vtkActor2DCollection() {};
00078   ~vtkActor2DCollection();
00079 
00080   virtual void DeleteElement(vtkCollectionElement *); 
00081 
00082 private:
00083   // hide the standard AddItem from the user and the compiler.
00084   void AddItem(vtkObject *o) { this->vtkCollection::AddItem(o); };
00085   void AddItem(vtkProp *o) { this->vtkPropCollection::AddItem(o); };
00086   int IsItemPresent(vtkObject *o) { return this->vtkCollection::IsItemPresent(o); };
00087 
00088 private:
00089   vtkActor2DCollection(const vtkActor2DCollection&);  // Not implemented.
00090   void operator=(const vtkActor2DCollection&);  // Not implemented.
00091 };
00092 
00093 inline int vtkActor2DCollection::IsItemPresent(vtkActor2D *a) 
00094 {
00095   return this->vtkCollection::IsItemPresent((vtkObject *)a);
00096 }
00097 
00098 inline vtkActor2D *vtkActor2DCollection::GetNextActor2D() 
00099 { 
00100   return static_cast<vtkActor2D *>(this->GetNextItemAsObject());
00101 }
00102 
00103 inline vtkActor2D *vtkActor2DCollection::GetLastActor2D() 
00104 { 
00105   if ( this->Bottom == NULL )
00106     {
00107     return NULL;
00108     }
00109   else
00110     {
00111     return static_cast<vtkActor2D *>(this->Bottom->Item);
00112     }
00113 }
00114 
00115 inline vtkActor2D *vtkActor2DCollection::GetNextItem() 
00116 { 
00117   return this->GetNextActor2D();
00118 }
00119 
00120 inline vtkActor2D *vtkActor2DCollection::GetLastItem() 
00121 {
00122   return this->GetLastActor2D();
00123 }
00124 
00125 #endif
00126 
00127 
00128 
00129 
00130