00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkPNGReader.h,v $ 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00043 #ifndef __vtkPNGReader_h 00044 #define __vtkPNGReader_h 00045 00046 #include "vtkImageReader2.h" 00047 00048 class VTK_IO_EXPORT vtkPNGReader : public vtkImageReader2 00049 { 00050 public: 00051 static vtkPNGReader *New(); 00052 vtkTypeRevisionMacro(vtkPNGReader,vtkImageReader2); 00053 virtual void PrintSelf(ostream& os, vtkIndent indent); 00054 00055 protected: 00056 vtkPNGReader() {}; 00057 ~vtkPNGReader() {}; 00058 00060 virtual int CanReadFile(const char* fname); 00061 // Description: 00062 // Get the file extensions for this format. 00063 // Returns a string with a space separated list of extensions in 00064 // the format .extension 00065 virtual const char* GetFileExtensions() 00066 { 00067 return ".png"; 00068 } 00070 00072 00074 virtual const char* GetDescriptiveName() 00075 { 00076 return "PNG"; 00077 } 00079 00080 virtual void ExecuteInformation(); 00081 virtual void ExecuteData(vtkDataObject *out); 00082 private: 00083 vtkPNGReader(const vtkPNGReader&); // Not implemented. 00084 void operator=(const vtkPNGReader&); // Not implemented. 00085 }; 00086 #endif 00087 00088