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vtkTIFFReader.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkTIFFReader.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 =========================================================================*/
00056 #ifndef __vtkTIFFReader_h
00057 #define __vtkTIFFReader_h
00058 
00059 #include "vtkImageReader2.h"
00060 
00061 //BTX
00062 class vtkTIFFReaderInternal;
00063 //ETX
00064 
00065 class VTK_IO_EXPORT vtkTIFFReader : public vtkImageReader2
00066 {
00067 public:
00068   static vtkTIFFReader *New();
00069   vtkTypeRevisionMacro(vtkTIFFReader,vtkImageReader2);
00070   virtual void PrintSelf(ostream& os, vtkIndent indent);
00071 
00072   virtual int CanReadFile(const char* fname);
00073 
00075 
00077   virtual const char* GetFileExensions()
00078     {
00079     return ".tif .tiff";
00080     }
00082 
00084 
00086   virtual const char* GetDescriptiveName()
00087     {
00088     return "TIFF";
00089     }
00091 
00093   void InitializeColors();
00094 
00095 //BTX
00096   enum { NOFORMAT, RGB, GRAYSCALE, PALETTE_RGB, PALETTE_GRAYSCALE, OTHER };
00097 
00098   void ReadImageInternal( void *, void *outPtr,  
00099                           int *outExt, unsigned int size );
00100   
00101 
00103 
00104   vtkTIFFReaderInternal *GetInternalImage()
00105     { return this->InternalImage; }
00107 //ETX
00108 
00109 protected:
00110   vtkTIFFReader();
00111   ~vtkTIFFReader();
00112 
00113   void GetColor( int index, 
00114                  unsigned short *r, unsigned short *g, unsigned short *b );
00115   unsigned int  GetFormat();
00116   virtual void ExecuteInformation();
00117   virtual void ExecuteData(vtkDataObject *out);
00118 
00119   void ReadGenericImage( void *out, 
00120                          unsigned int width, unsigned int height,
00121                          unsigned int size );
00122   
00123   int EvaluateImageAt( void*, void* ); 
00124 
00125 private:
00126   vtkTIFFReader(const vtkTIFFReader&);  // Not implemented.
00127   void operator=(const vtkTIFFReader&);  // Not implemented.
00128 
00129   unsigned short *ColorRed;
00130   unsigned short *ColorGreen;
00131   unsigned short *ColorBlue;
00132   int TotalColors;
00133   unsigned int ImageFormat;
00134   vtkTIFFReaderInternal *InternalImage;
00135   int *InternalExtents;
00136 };
00137 #endif
00138 
00139