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dox/IO/vtkPNGReader.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPNGReader.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 =========================================================================*/
00035 #ifndef __vtkPNGReader_h
00036 #define __vtkPNGReader_h
00037 
00038 #include "vtkImageReader2.h"
00039 
00040 class VTK_IO_EXPORT vtkPNGReader : public vtkImageReader2
00041 {
00042 public:
00043   static vtkPNGReader *New();
00044   vtkTypeRevisionMacro(vtkPNGReader,vtkImageReader2);
00045   virtual void PrintSelf(ostream& os, vtkIndent indent);
00046 
00047 protected:
00048   vtkPNGReader() {};
00049   ~vtkPNGReader() {};
00050 
00052   virtual int CanReadFile(const char* fname);
00053  // Description:
00054   // Get the file extensions for this format.
00055   // Returns a string with a space separated list of extensions in 
00056   // the format .extension
00057   virtual const char* GetFileExensions()
00058     {
00059       return ".png";
00060     }
00062 
00064 
00066   virtual const char* GetDescriptiveName()
00067     {
00068       return "PNG";
00069     }
00071   
00072   virtual void ExecuteInformation();
00073   virtual void ExecuteData(vtkDataObject *out);
00074 private:
00075   vtkPNGReader(const vtkPNGReader&);  // Not implemented.
00076   void operator=(const vtkPNGReader&);  // Not implemented.
00077 };
00078 #endif
00079 
00080