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 =========================================================================*/ 00047 #ifndef __vtkPNGReader_h 00048 #define __vtkPNGReader_h 00049 00050 #include "vtkImageReader2.h" 00051 00052 class VTK_IO_EXPORT vtkPNGReader : public vtkImageReader2 00053 { 00054 public: 00055 static vtkPNGReader *New(); 00056 vtkTypeRevisionMacro(vtkPNGReader,vtkImageReader2); 00057 virtual void PrintSelf(ostream& os, vtkIndent indent); 00058 00059 protected: 00060 vtkPNGReader() {}; 00061 ~vtkPNGReader() {}; 00062 00064 virtual int CanReadFile(const char* fname); 00065 // Description: 00066 // Get the file extensions for this format. 00067 // Returns a string with a space separated list of extensions in 00068 // the format .extension 00069 virtual const char* GetFileExensions() 00070 { 00071 return ".png"; 00072 } 00074 00076 00078 virtual const char* GetDescriptiveName() 00079 { 00080 return "PNG"; 00081 } 00083 00084 virtual void ExecuteInformation(); 00085 virtual void ExecuteData(vtkDataObject *out); 00086 private: 00087 vtkPNGReader(const vtkPNGReader&); // Not implemented. 00088 void operator=(const vtkPNGReader&); // Not implemented. 00089 }; 00090 #endif 00091 00092