00001 /*---------------------------------------------------------------------------*\ 00002 * OpenSG * 00003 * * 00004 * * 00005 * Copyright (C) 2000-2002 by the OpenSG Forum * 00006 * * 00007 * www.opensg.org * 00008 * * 00009 * contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de * 00010 * * 00011 \*---------------------------------------------------------------------------*/ 00012 /*---------------------------------------------------------------------------*\ 00013 * License * 00014 * * 00015 * This library is free software; you can redistribute it and/or modify it * 00016 * under the terms of the GNU Library General Public License as published * 00017 * by the Free Software Foundation, version 2. * 00018 * * 00019 * This library is distributed in the hope that it will be useful, but * 00020 * WITHOUT ANY WARRANTY; without even the implied warranty of * 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00022 * Library General Public License for more details. * 00023 * * 00024 * You should have received a copy of the GNU Library General Public * 00025 * License along with this library; if not, write to the Free Software * 00026 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 00027 * * 00028 \*---------------------------------------------------------------------------*/ 00029 /*---------------------------------------------------------------------------*\ 00030 * Changes * 00031 * * 00032 * * 00033 * * 00034 * * 00035 * * 00036 * * 00037 \*---------------------------------------------------------------------------*/ 00038 00039 #ifndef OSGPNGIMAGEFILETYPE_CLASS_DECLARATION 00040 #define OSGPNGIMAGEFILETYPE_CLASS_DECLARATION 00041 #ifdef __sgi 00042 #pragma once 00043 #endif 00044 00045 #include <OSGSystemDef.h> 00046 #include <OSGBaseTypes.h> 00047 #include <OSGImageFileType.h> 00048 #include <iosfwd> 00049 00050 OSG_BEGIN_NAMESPACE 00051 00056 class OSG_SYSTEMLIB_DLLMAPPING PNGImageFileType : public ImageFileType 00057 { 00058 00059 /*========================== PUBLIC =================================*/ 00060 public: 00061 00062 /*---------------------------------------------------------------------*/ 00066 virtual ~PNGImageFileType (void); 00067 00069 /*---------------------------------------------------------------------*/ 00073 virtual bool validateHeader( const Char8 *fileName, bool &implemented); 00074 00075 virtual bool read (ImagePtr &image, std::istream &is, const std::string &mimetype); 00076 00077 virtual bool write (const ImagePtr &image, std::ostream &os, const std::string &mimetype); 00078 00079 virtual std::string determineMimetypeFromStream(std::istream &is); 00080 00082 /*---------------------------------------------------------------------*/ 00086 virtual UInt64 restoreData ( ImagePtr &image, const UChar8 *buffer, 00087 Int32 memSize = -1 ); 00088 00089 virtual UInt64 storeData ( const ImagePtr &image, UChar8 *buffer, 00090 Int32 memSize = -1 ); 00092 /*---------------------------------------------------------------------*/ 00096 static PNGImageFileType & the (void); 00097 00100 /*========================= PROTECTED ===============================*/ 00101 protected: 00102 00103 /*---------------------------------------------------------------------*/ 00107 PNGImageFileType ( const Char8 *mimeType, 00108 const Char8 *suffixArray[], UInt16 suffixByteCount, 00109 UInt32 flags ); 00110 00113 /*========================== PRIVATE ================================*/ 00114 private: 00115 00116 /*---------------------------------------------------------------------*/ 00120 PNGImageFileType (const PNGImageFileType &obj); 00121 00123 /*---------------------------------------------------------------------*/ 00127 const PNGImageFileType & operator= (const PNGImageFileType &obj); 00128 00131 static PNGImageFileType _the; 00132 00133 }; 00134 00135 typedef PNGImageFileType* PNGImageFileTypeP; 00136 00137 OSG_END_NAMESPACE 00138 00139 #endif // OSGPNGIMAGEFILETYPE_CLASS_DECLARATION
1.5.5