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 OSGJPGIMAGEFILETYPE_CLASS_DECLARATION 00040 #define OSGJPGIMAGEFILETYPE_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 JPGImageFileType : public ImageFileType 00057 { 00058 /*========================== PUBLIC =================================*/ 00059 public: 00060 00061 /*---------------------------------------------------------------------*/ 00065 virtual ~JPGImageFileType (void); 00066 00068 /*---------------------------------------------------------------------*/ 00072 void setQuality(UInt32 cl); 00073 UInt32 getQuality(void); 00074 00076 /*---------------------------------------------------------------------*/ 00080 virtual bool validateHeader( const Char8 *fileName, bool &implemented ); 00081 00082 virtual bool read (ImagePtr &image, std::istream &is, const std::string &mimetype); 00083 00084 virtual bool write (const ImagePtr &image, std::ostream &os, const std::string &mimetype); 00085 00086 virtual std::string determineMimetypeFromStream(std::istream &is); 00087 00089 /*---------------------------------------------------------------------*/ 00093 virtual UInt64 restoreData ( ImagePtr &image, const UChar8 *buffer, 00094 Int32 memSize = -1 ); 00095 00096 virtual UInt64 storeData ( const ImagePtr &image, UChar8 *buffer, 00097 Int32 memSize = -1 ); 00098 00100 /*---------------------------------------------------------------------*/ 00104 static JPGImageFileType & the (void); 00105 00108 /*========================= PROTECTED ===============================*/ 00109 protected: 00110 00111 /*---------------------------------------------------------------------*/ 00115 JPGImageFileType ( const Char8 *mimeType, 00116 const Char8 *suffixArray[], 00117 UInt16 suffixByteCount, 00118 UInt32 flags ); 00119 00122 /*========================== PRIVATE ================================*/ 00123 private: 00124 00125 /*---------------------------------------------------------------------*/ 00129 JPGImageFileType (const JPGImageFileType &obj); 00130 00132 /*---------------------------------------------------------------------*/ 00136 const JPGImageFileType & operator= (const JPGImageFileType &obj); 00137 00140 UInt32 _quality; 00141 00142 static JPGImageFileType _the; 00143 00144 }; 00145 00146 typedef JPGImageFileType* JPGImageFileTypeP; 00147 00148 OSG_END_NAMESPACE 00149 00150 #endif // OSGJPGIMAGEFILETYPE_CLASS_DECLARATION
1.5.5