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common/vtkFloatTensors.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkFloatTensors.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 =========================================================================*/
00053 #ifndef __vtkFloatTensors_h
00054 #define __vtkFloatTensors_h
00055 
00056 #include "vtkTensors.h"
00057 #include "vtkFloatArray.h"
00058 
00059 #ifndef VTK_REMOVE_LEGACY_CODE
00060 class VTK_EXPORT vtkFloatTensors : public vtkTensors
00061 {
00062 public:
00063   static vtkFloatTensors *New();
00064   
00066   void SetDataType(int dataType);
00067   
00069   void SetData(vtkDataArray *);
00070 
00072   float *GetPointer(const int id);
00073 
00078   float *WritePointer(const int id, const int number);
00079 
00080 protected:
00081   vtkFloatTensors() {};
00082   ~vtkFloatTensors() {};
00083   vtkFloatTensors(const vtkFloatTensors&) {};
00084   void operator=(const vtkFloatTensors&) {};
00085   
00086 private:
00087   // hide the vtkTensors' New() method
00088   static vtkFloatTensors *New(int) { return vtkFloatTensors::New();};
00089 };
00090 
00091 
00092 inline float *vtkFloatTensors::GetPointer(const int id)
00093 {
00094   return ((vtkFloatArray *)this->Data)->GetPointer(9*id);
00095 } 
00096 
00097 inline float *vtkFloatTensors::WritePointer(const int id, const int number)
00098 {
00099   return ((vtkFloatArray *)this->Data)->WritePointer(9*id,9*number);
00100 }
00101 
00102 inline void vtkFloatTensors::SetData(vtkDataArray *data)
00103 {
00104   if ( data->GetDataType() != VTK_FLOAT )
00105     {
00106     vtkErrorMacro(<<"Float tensors only accepts float data type");
00107     return;
00108     }
00109   vtkTensors::SetData(data);
00110 }
00111 
00112 inline void vtkFloatTensors::SetDataType(int type)
00113 {
00114   if ( type != VTK_FLOAT )
00115     {
00116     vtkErrorMacro(<<"Float tensors only accepts float data type");
00117     return;
00118     }
00119 
00120   vtkTensors::SetDataType(type);
00121 }
00122 #endif
00123 
00124 #endif

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