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common/vtkCellTypes.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkCellTypes.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00065 #ifndef __vtkCellTypes_h
00066 #define __vtkCellTypes_h
00067 
00068 #include "vtkObject.h"
00069 #include "vtkCellType.h"
00070 
00071 struct _vtkCell_s {
00072     unsigned char type; //from CellType.h
00073     int loc; //location in associated CellArray object
00074 };
00075 
00076 class VTK_EXPORT vtkCellTypes : public vtkObject 
00077 {
00078 public:
00079   static vtkCellTypes *New();
00080   vtkTypeMacro(vtkCellTypes,vtkObject);
00081 
00083   int Allocate(int sz=512, int ext=1000);
00084 
00086   void InsertCell(int id, unsigned char type, int loc);
00087   
00089   int InsertNextCell(unsigned char type, int loc);
00090 
00092   int GetCellLocation(int cellId) { return this->Array[cellId].loc;};
00093 
00095   void DeleteCell(int cellId) { this->Array[cellId].type = VTK_EMPTY_CELL;};
00096 
00098   int GetNumberOfTypes() { return (this->MaxId + 1);};
00099 
00101   int IsType(unsigned char type);
00102 
00105   int InsertNextType(unsigned char type){return this->InsertNextCell(type,-1);};
00106   
00108   _vtkCell_s &GetCell(int id) { return this->Array[id];};
00109 
00111   unsigned char GetCellType(int cellId) { return this->Array[cellId].type;};
00112 
00114   void Squeeze();
00115 
00117   void Reset();
00118 
00125   unsigned long GetActualMemorySize();
00126 
00129   void DeepCopy(vtkCellTypes *src);
00130 
00131 protected:
00132   vtkCellTypes() : Array(NULL),Size(0),MaxId(-1),Extend(1000) {};
00133   ~vtkCellTypes();
00134   vtkCellTypes(const vtkCellTypes&) {};
00135   void operator=(const vtkCellTypes&) {};
00136 
00137   _vtkCell_s *Array;   // pointer to data
00138   int Size;            // allocated size of data
00139   int MaxId;           // maximum index inserted thus far
00140   int Extend;          // grow array by this point
00141   _vtkCell_s *Resize(int sz);  // function to resize data
00142 };
00143 
00144 
00145 
00146 inline int vtkCellTypes::IsType(unsigned char type)
00147 {
00148   int numTypes=this->GetNumberOfTypes();
00149 
00150   for (int i=0; i<numTypes; i++)
00151     {
00152     if ( type == this->GetCellType(i))
00153       {
00154       return 1;
00155       }
00156     }
00157   return 0;
00158 }
00159 
00160 
00161 #endif

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