810 lines
28 KiB
C++
810 lines
28 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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// Written by Wang Rui, (C) 2010
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#include <osg/Version>
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#include <osg/Notify>
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#include <osgDB/FileUtils>
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#include <osgDB/WriteFile>
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#include <osgDB/ObjectWrapper>
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#include <fstream>
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#include <sstream>
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using namespace osgDB;
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OutputStream::OutputStream( const osgDB::Options* options )
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: _writeImageHint(WRITE_USE_IMAGE_HINT), _useSchemaData(false), _useRobustBinaryFormat(true)
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{
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BEGIN_BRACKET.set( "{", +INDENT_VALUE );
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END_BRACKET.set( "}", -INDENT_VALUE );
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if ( !options ) return;
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_options = options;
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if ( options->getPluginStringData("RobustBinaryFormat")=="false" )
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_useRobustBinaryFormat = false;
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if ( options->getPluginStringData("SchemaData")=="true" )
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_useSchemaData = true;
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if ( !options->getPluginStringData("SchemaFile").empty() )
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_schemaName = options->getPluginStringData("SchemaFile");
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if ( !options->getPluginStringData("Compressor").empty() )
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_compressorName = options->getPluginStringData("Compressor");
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if ( !options->getPluginStringData("WriteImageHint").empty() )
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{
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std::string hintString = options->getPluginStringData("WriteImageHint");
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if ( hintString=="IncludeData" ) _writeImageHint = WRITE_INLINE_DATA;
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else if ( hintString=="IncludeFile" ) _writeImageHint = WRITE_INLINE_FILE;
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else if ( hintString=="UseExternal" ) _writeImageHint = WRITE_USE_EXTERNAL;
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else if ( hintString=="WriteOut" ) _writeImageHint = WRITE_EXTERNAL_FILE;
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}
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if ( !options->getPluginStringData("CustomDomains").empty() )
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{
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StringList domains, keyAndValue;
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split( options->getPluginStringData("CustomDomains"), domains, ';' );
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for ( unsigned int i=0; i<domains.size(); ++i )
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{
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split( domains[i], keyAndValue, ':' );
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if ( keyAndValue.size()>1 )
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_domainVersionMap[keyAndValue.front()] = atoi(keyAndValue.back().c_str());
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}
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}
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}
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OutputStream::~OutputStream()
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{
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}
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int OutputStream::getFileVersion( const std::string& d ) const
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{
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if ( d.empty() ) return OPENSCENEGRAPH_SOVERSION;
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VersionMap::const_iterator itr = _domainVersionMap.find(d);
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return itr==_domainVersionMap.end() ? 0 : itr->second;
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}
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OutputStream& OutputStream::operator<<( const osg::Vec2b& v )
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{ *this << v.x() << v.y(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec3b& v )
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{ *this << v.x() << v.y() << v.z(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec4b& v )
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{ *this << v.x() << v.y() << v.z() << v.w(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec2ub& v )
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{ *this << v.x() << v.y(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec3ub& v )
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{ *this << v.x() << v.y() << v.z(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec4ub& v )
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{ *this << v.r() << v.g() << v.b() << v.a(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec2s& v )
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{ *this << v.x() << v.y(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec3s& v )
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{ *this << v.x() << v.y() << v.z(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec4s& v )
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{ *this << v.x() << v.y() << v.z() << v.w(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec2us& v )
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{ *this << v.x() << v.y(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec3us& v )
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{ *this << v.x() << v.y() << v.z(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec4us& v )
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{ *this << v.x() << v.y() << v.z() << v.w(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec2f& v )
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{ *this << v.x() << v.y(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec3f& v )
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{ *this << v.x() << v.y() << v.z(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec4f& v )
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{ *this << v.x() << v.y() << v.z() << v.w(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec2d& v )
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{ *this << v.x() << v.y(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec3d& v )
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{ *this << v.x() << v.y() << v.z(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Vec4d& v )
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{ *this << v.x() << v.y() << v.z() << v.w(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Quat& q )
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{ *this << q.x() << q.y() << q.z() << q.w(); return *this; }
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OutputStream& OutputStream::operator<<( const osg::Plane& p )
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{ *this << (double)p[0] << (double)p[1] << (double)p[2] << (double)p[3]; return *this; }
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#if 0
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OutputStream& OutputStream::operator<<( const osg::Matrixf& mat )
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{
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*this << PROPERTY("Matrixf")<<BEGIN_BRACKET << std::endl;
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for ( int r=0; r<4; ++r )
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{
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*this << mat(r, 0) << mat(r, 1)
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<< mat(r, 2) << mat(r, 3) << std::endl;
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}
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*this << END_BRACKET << std::endl;
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return *this;
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}
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OutputStream& OutputStream::operator<<( const osg::Matrixd& mat )
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{
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*this << PROPERTY("Matrixd")<<BEGIN_BRACKET << std::endl;
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for ( int r=0; r<4; ++r )
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{
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*this << mat(r, 0) << mat(r, 1)
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<< mat(r, 2) << mat(r, 3) << std::endl;
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}
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*this << END_BRACKET << std::endl;
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return *this;
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}
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#else
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OutputStream& OutputStream::operator<<( const osg::Matrixf& mat )
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{
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*this << BEGIN_BRACKET << std::endl;
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for ( int r=0; r<4; ++r )
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{
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*this << (double)mat(r, 0) << (double)mat(r, 1)
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<< (double)mat(r, 2) << (double)mat(r, 3) << std::endl;
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}
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*this << END_BRACKET << std::endl;
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return *this;
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}
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OutputStream& OutputStream::operator<<( const osg::Matrixd& mat )
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{
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*this << BEGIN_BRACKET << std::endl;
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for ( int r=0; r<4; ++r )
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{
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*this << mat(r, 0) << mat(r, 1)
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<< mat(r, 2) << mat(r, 3) << std::endl;
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}
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*this << END_BRACKET << std::endl;
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return *this;
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}
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#endif
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void OutputStream::writeArray( const osg::Array* a )
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{
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if ( !a ) return;
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bool newID = false;
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unsigned int id = findOrCreateArrayID( a, newID );
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*this << PROPERTY("ArrayID") << id;
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if ( !newID ) // Shared array
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{
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*this << std::endl;
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return;
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}
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switch ( a->getType() )
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{
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case osg::Array::ByteArrayType:
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*this << MAPPEE(ArrayType, ID_BYTE_ARRAY);
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writeArrayImplementation( static_cast<const osg::ByteArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::UByteArrayType:
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*this << MAPPEE(ArrayType, ID_UBYTE_ARRAY);
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writeArrayImplementation( static_cast<const osg::UByteArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::ShortArrayType:
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*this << MAPPEE(ArrayType, ID_SHORT_ARRAY);
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writeArrayImplementation( static_cast<const osg::ShortArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::UShortArrayType:
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*this << MAPPEE(ArrayType, ID_USHORT_ARRAY);
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writeArrayImplementation( static_cast<const osg::UShortArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::IntArrayType:
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*this << MAPPEE(ArrayType, ID_INT_ARRAY);
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writeArrayImplementation( static_cast<const osg::IntArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::UIntArrayType:
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*this << MAPPEE(ArrayType, ID_UINT_ARRAY);
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writeArrayImplementation( static_cast<const osg::UIntArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::FloatArrayType:
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*this << MAPPEE(ArrayType, ID_FLOAT_ARRAY);
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writeArrayImplementation( static_cast<const osg::FloatArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::DoubleArrayType:
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*this << MAPPEE(ArrayType, ID_DOUBLE_ARRAY);
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writeArrayImplementation( static_cast<const osg::DoubleArray*>(a), a->getNumElements(), 4 );
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break;
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case osg::Array::Vec2bArrayType:
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*this << MAPPEE(ArrayType, ID_VEC2B_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec2bArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec3bArrayType:
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*this << MAPPEE(ArrayType, ID_VEC3B_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec3bArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec4bArrayType:
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*this << MAPPEE(ArrayType, ID_VEC4B_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec4bArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec2ubArrayType:
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*this << MAPPEE(ArrayType, ID_VEC2UB_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec2ubArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec3ubArrayType:
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*this << MAPPEE(ArrayType, ID_VEC3UB_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec3ubArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec4ubArrayType:
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*this << MAPPEE(ArrayType, ID_VEC4UB_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec4ubArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec2sArrayType:
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*this << MAPPEE(ArrayType, ID_VEC2S_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec2sArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec3sArrayType:
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*this << MAPPEE(ArrayType, ID_VEC3S_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec3sArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec4sArrayType:
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*this << MAPPEE(ArrayType, ID_VEC4S_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec4sArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec2usArrayType:
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*this << MAPPEE(ArrayType, ID_VEC2US_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec2usArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec3usArrayType:
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*this << MAPPEE(ArrayType, ID_VEC3US_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec3usArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec4usArrayType:
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*this << MAPPEE(ArrayType, ID_VEC4US_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec4usArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec2ArrayType:
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*this << MAPPEE(ArrayType, ID_VEC2_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec2Array*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec3ArrayType:
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*this << MAPPEE(ArrayType, ID_VEC3_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec3Array*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec4ArrayType:
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*this << MAPPEE(ArrayType, ID_VEC4_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec4Array*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec2dArrayType:
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*this << MAPPEE(ArrayType, ID_VEC2D_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec2dArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec3dArrayType:
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*this << MAPPEE(ArrayType, ID_VEC3D_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec3dArray*>(a), a->getNumElements() );
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break;
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case osg::Array::Vec4dArrayType:
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*this << MAPPEE(ArrayType, ID_VEC4D_ARRAY);
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writeArrayImplementation( static_cast<const osg::Vec4dArray*>(a), a->getNumElements() );
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break;
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default:
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throwException( "OutputStream::writeArray(): Unsupported array type." );
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}
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}
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void OutputStream::writePrimitiveSet( const osg::PrimitiveSet* p )
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{
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if ( !p ) return;
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switch ( p->getType() )
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{
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case osg::PrimitiveSet::DrawArraysPrimitiveType:
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*this << MAPPEE(PrimitiveType, ID_DRAWARRAYS);
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{
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const osg::DrawArrays* da = static_cast<const osg::DrawArrays*>(p);
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*this << MAPPEE(PrimitiveType, da->getMode()) << da->getNumInstances()
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<< da->getFirst() << da->getCount() << std::endl;
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}
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break;
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case osg::PrimitiveSet::DrawArrayLengthsPrimitiveType:
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*this << MAPPEE(PrimitiveType, ID_DRAWARRAY_LENGTH);
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{
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const osg::DrawArrayLengths* dl = static_cast<const osg::DrawArrayLengths*>(p);
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*this << MAPPEE(PrimitiveType, dl->getMode()) << dl->getNumInstances() << dl->getFirst();
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writeArrayImplementation( dl, dl->size(), 4 );
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}
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break;
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case osg::PrimitiveSet::DrawElementsUBytePrimitiveType:
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*this << MAPPEE(PrimitiveType, ID_DRAWELEMENTS_UBYTE);
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{
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const osg::DrawElementsUByte* de = static_cast<const osg::DrawElementsUByte*>(p);
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*this << MAPPEE(PrimitiveType, de->getMode()) << de->getNumInstances();
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writeArrayImplementation( de, de->size(), 4 );
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}
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break;
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case osg::PrimitiveSet::DrawElementsUShortPrimitiveType:
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*this << MAPPEE(PrimitiveType, ID_DRAWELEMENTS_USHORT);
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{
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const osg::DrawElementsUShort* de = static_cast<const osg::DrawElementsUShort*>(p);
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*this << MAPPEE(PrimitiveType, de->getMode()) << de->getNumInstances();
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writeArrayImplementation( de, de->size(), 4 );
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}
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break;
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case osg::PrimitiveSet::DrawElementsUIntPrimitiveType:
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*this << MAPPEE(PrimitiveType, ID_DRAWELEMENTS_UINT);
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{
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const osg::DrawElementsUInt* de = static_cast<const osg::DrawElementsUInt*>(p);
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*this << MAPPEE(PrimitiveType, de->getMode()) << de->getNumInstances();
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writeArrayImplementation( de, de->size(), 4 );
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}
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break;
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default:
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throwException( "OutputStream::writePrimitiveSet(): Unsupported primitive type." );
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}
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}
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void OutputStream::writeImage( const osg::Image* img )
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{
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if ( !img ) return;
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std::string name = img->libraryName();
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name += std::string("::") + img->className();
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bool newID = false;
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unsigned int id = findOrCreateObjectID( img, newID );
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*this << PROPERTY("ClassName") << name << std::endl; // Write object name
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*this << PROPERTY("UniqueID") << id << std::endl; // Write image ID
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if ( getException() ) return;
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if (newID)
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{
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int decision = IMAGE_EXTERNAL;
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switch ( _writeImageHint )
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{
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case OutputStream::WRITE_INLINE_DATA: decision = IMAGE_INLINE_DATA; break;
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case OutputStream::WRITE_INLINE_FILE: decision = IMAGE_INLINE_FILE; break;
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case OutputStream::WRITE_EXTERNAL_FILE: decision = IMAGE_WRITE_OUT; break;
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case OutputStream::WRITE_USE_EXTERNAL: decision = IMAGE_EXTERNAL; break;
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default:
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if ( img->getWriteHint()==osg::Image::EXTERNAL_FILE )
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decision = IMAGE_EXTERNAL;
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else if ( isBinary() )
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decision = IMAGE_INLINE_DATA;
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break;
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}
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std::string imageFileName = img->getFileName();
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if ( decision==IMAGE_WRITE_OUT || _writeImageHint==WRITE_EXTERNAL_FILE )
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{
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if (imageFileName.empty())
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{
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OSG_NOTICE<<"Empty Image::FileName resetting to image.dds"<<std::endl;
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imageFileName = "image.dds";
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}
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bool result = osgDB::writeImageFile( *img, imageFileName );
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OSG_NOTICE << "OutputStream::writeImage(): Write image data to external file " << imageFileName << std::endl;
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if ( !result )
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{
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OSG_WARN << "OutputStream::writeImage(): Failed to write " << img->getFileName() << std::endl;
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}
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}
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*this << PROPERTY("FileName"); writeWrappedString(imageFileName); *this << std::endl;
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*this << PROPERTY("WriteHint") << (int)img->getWriteHint();
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if ( getException() ) return;
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*this << decision << std::endl;
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switch ( decision )
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{
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case IMAGE_INLINE_DATA:
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if ( isBinary() )
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{
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*this << img->getOrigin(); // _origin
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*this << img->s() << img->t() << img->r(); // _s & _t & _r
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*this << img->getInternalTextureFormat(); // _internalTextureFormat
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*this << img->getPixelFormat(); // _pixelFormat
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*this << img->getDataType(); // _dataType
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*this << img->getPacking(); // _packing
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*this << img->getAllocationMode(); // _allocationMode
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// _data
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|
unsigned int size = img->getTotalSizeInBytesIncludingMipmaps();
|
|
writeSize(size);
|
|
|
|
for(osg::Image::DataIterator img_itr(img); img_itr.valid(); ++img_itr)
|
|
{
|
|
writeCharArray( (char*)img_itr.data(), img_itr.size() );
|
|
}
|
|
|
|
// _mipmapData
|
|
unsigned int numMipmaps = img->getNumMipmapLevels()-1;
|
|
writeSize(numMipmaps);
|
|
int s = img->s();
|
|
int t = img->t();
|
|
int r = img->r();
|
|
unsigned int offset = 0;
|
|
for (unsigned int i=0; i<numMipmaps; ++i)
|
|
{
|
|
unsigned int size = osg::Image::computeImageSizeInBytes(s,t,r,img->getPixelFormat(),img->getDataType(),img->getPacking());
|
|
offset += size;
|
|
|
|
*this << offset;
|
|
|
|
s >>= 1;
|
|
t >>= 1;
|
|
r >>= 1;
|
|
if (s<1) s=1;
|
|
if (t<1) t=1;
|
|
if (r<1) r=1;
|
|
}
|
|
}
|
|
break;
|
|
case IMAGE_INLINE_FILE:
|
|
if ( isBinary() )
|
|
{
|
|
std::string fullPath = osgDB::findDataFile( img->getFileName() );
|
|
std::ifstream infile( fullPath.c_str(), std::ios::in|std::ios::binary );
|
|
if ( infile )
|
|
{
|
|
infile.seekg( 0, std::ios::end );
|
|
unsigned int size = infile.tellg();
|
|
writeSize(size);
|
|
|
|
if ( size>0 )
|
|
{
|
|
char* data = new char[size];
|
|
if ( !data )
|
|
{
|
|
throwException( "OutputStream::writeImage(): Out of memory." );
|
|
if ( getException() ) return;
|
|
}
|
|
|
|
infile.seekg( 0, std::ios::beg );
|
|
infile.read( data, size );
|
|
writeCharArray( data, size );
|
|
delete[] data;
|
|
}
|
|
infile.close();
|
|
}
|
|
else
|
|
{
|
|
OSG_WARN << "OutputStream::writeImage(): Failed to open image file "
|
|
<< img->getFileName() << std::endl;
|
|
*this << (unsigned int)0;
|
|
}
|
|
}
|
|
break;
|
|
case IMAGE_EXTERNAL:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
writeObjectFields( img );
|
|
}
|
|
|
|
// *this << END_BRACKET << std::endl;
|
|
}
|
|
|
|
void OutputStream::writeObject( const osg::Object* obj )
|
|
{
|
|
if ( !obj ) return;
|
|
|
|
std::string name = obj->libraryName();
|
|
name += std::string("::") + obj->className();
|
|
|
|
bool newID = false;
|
|
unsigned int id = findOrCreateObjectID( obj, newID );
|
|
|
|
*this << name << BEGIN_BRACKET << std::endl; // Write object name
|
|
*this << PROPERTY("UniqueID") << id << std::endl; // Write object ID
|
|
if ( getException() ) return;
|
|
|
|
if (newID)
|
|
{
|
|
writeObjectFields(obj);
|
|
}
|
|
|
|
*this << END_BRACKET << std::endl;
|
|
}
|
|
|
|
void OutputStream::writeObjectFields( const osg::Object* obj )
|
|
{
|
|
std::string name = obj->libraryName();
|
|
name += std::string("::") + obj->className();
|
|
|
|
ObjectWrapper* wrapper = Registry::instance()->getObjectWrapperManager()->findWrapper( name );
|
|
if ( !wrapper )
|
|
{
|
|
OSG_WARN << "OutputStream::writeObject(): Unsupported wrapper class "
|
|
<< name << std::endl;
|
|
return;
|
|
}
|
|
|
|
const StringList& associates = wrapper->getAssociates();
|
|
for ( StringList::const_iterator itr=associates.begin(); itr!=associates.end(); ++itr )
|
|
{
|
|
const std::string& assocName = *itr;
|
|
ObjectWrapper* assocWrapper = Registry::instance()->getObjectWrapperManager()->findWrapper(assocName);
|
|
if ( !assocWrapper )
|
|
{
|
|
OSG_WARN << "OutputStream::writeObject(): Unsupported associated class "
|
|
<< assocName << std::endl;
|
|
continue;
|
|
}
|
|
else if ( _useSchemaData )
|
|
{
|
|
if ( _inbuiltSchemaMap.find(assocName)==_inbuiltSchemaMap.end() )
|
|
{
|
|
StringList properties;
|
|
std::vector<int> types;
|
|
assocWrapper->writeSchema( properties, types );
|
|
|
|
unsigned int size = osg::minimum( properties.size(), types.size() );
|
|
if ( size>0 )
|
|
{
|
|
std::stringstream propertiesStream;
|
|
for ( unsigned int i=0; i<size; ++i )
|
|
{
|
|
propertiesStream << properties[i] << ":" << types[i] << " ";
|
|
}
|
|
_inbuiltSchemaMap[assocName] = propertiesStream.str();
|
|
}
|
|
}
|
|
}
|
|
_fields.push_back( assocWrapper->getName() );
|
|
|
|
assocWrapper->write( *this, *obj );
|
|
if ( getException() ) return;
|
|
|
|
_fields.pop_back();
|
|
}
|
|
}
|
|
|
|
void OutputStream::start( OutputIterator* outIterator, OutputStream::WriteType type )
|
|
{
|
|
_fields.clear();
|
|
_fields.push_back( "Start" );
|
|
|
|
_out = outIterator;
|
|
if ( !_out )
|
|
throwException( "OutputStream: Null stream specified." );
|
|
if ( getException() ) return;
|
|
|
|
if ( isBinary() )
|
|
{
|
|
*this << (unsigned int)type << (unsigned int)OPENSCENEGRAPH_SOVERSION;
|
|
|
|
bool useCompressSource = false;
|
|
unsigned int attributes = 0;
|
|
|
|
// From SOVERSION 98, start to support custom wrapper domains, enabling the attribute bit
|
|
if ( _domainVersionMap.size()>0 ) attributes |= 0x1;
|
|
|
|
if ( _useSchemaData )
|
|
{
|
|
attributes |= 0x2; // Record if we use inbuilt schema data or not
|
|
useCompressSource = true;
|
|
}
|
|
|
|
// From SOVERSION 98, start to support binary begin/end brackets so we can easily ignore
|
|
// errors and unsupport classes, enabling the attribute bit
|
|
if ( _useRobustBinaryFormat )
|
|
{
|
|
outIterator->setSupportBinaryBrackets( true );
|
|
attributes |= 0x4;
|
|
}
|
|
*this << attributes;
|
|
|
|
// Record all custom versions
|
|
if ( _domainVersionMap.size()>0 )
|
|
{
|
|
unsigned int numDomains = _domainVersionMap.size();
|
|
*this << numDomains;
|
|
for ( VersionMap::iterator itr=_domainVersionMap.begin();
|
|
itr!=_domainVersionMap.end(); ++itr )
|
|
{
|
|
*this << itr->first << itr->second;
|
|
}
|
|
}
|
|
|
|
if ( !_compressorName.empty() )
|
|
{
|
|
BaseCompressor* compressor = Registry::instance()->getObjectWrapperManager()->findCompressor(_compressorName);
|
|
if ( !compressor )
|
|
{
|
|
OSG_WARN << "OutputStream::start(): No such compressor "
|
|
<< _compressorName << std::endl;
|
|
_compressorName.clear();
|
|
}
|
|
else
|
|
{
|
|
useCompressSource = true;
|
|
}
|
|
}
|
|
if ( !_compressorName.empty() ) *this << _compressorName;
|
|
else *this << std::string("0"); // No compressor
|
|
|
|
// Compressors and inbuilt schema use a new stream, which will be merged with the original one at the end.
|
|
if ( useCompressSource )
|
|
{
|
|
_out->flush();
|
|
_out->setStream( &_compressSource );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
std::string typeString("Unknown");
|
|
switch ( type )
|
|
{
|
|
case WRITE_SCENE: typeString = "Scene"; break;
|
|
case WRITE_IMAGE: typeString = "Image"; break;
|
|
case WRITE_OBJECT: typeString = "Object"; break;
|
|
default: break;
|
|
}
|
|
|
|
*this << typeString << std::endl;
|
|
*this << PROPERTY("#Version") << (unsigned int)OPENSCENEGRAPH_SOVERSION << std::endl;
|
|
*this << PROPERTY("#Generator") << std::string("OpenSceneGraph")
|
|
<< std::string(osgGetVersion()) << std::endl;
|
|
if ( _domainVersionMap.size()>0 )
|
|
{
|
|
for ( VersionMap::iterator itr=_domainVersionMap.begin();
|
|
itr!=_domainVersionMap.end(); ++itr )
|
|
{
|
|
*this << PROPERTY("#CustomDomain") << itr->first << itr->second << std::endl;
|
|
}
|
|
}
|
|
*this << std::endl;
|
|
}
|
|
_fields.pop_back();
|
|
}
|
|
|
|
void OutputStream::compress( std::ostream* ostream )
|
|
{
|
|
_fields.clear();
|
|
if ( !isBinary() ) return;
|
|
|
|
std::stringstream schemaSource;
|
|
if ( _useSchemaData )
|
|
{
|
|
_fields.push_back( "SchemaData" );
|
|
|
|
std::string schemaData;
|
|
for ( SchemaMap::iterator itr=_inbuiltSchemaMap.begin();
|
|
itr!=_inbuiltSchemaMap.end(); ++itr )
|
|
{
|
|
schemaData += itr->first + '=';
|
|
schemaData += itr->second;
|
|
schemaData += '\n';
|
|
}
|
|
|
|
int size = schemaData.size();
|
|
schemaSource.write( (char*)&size, INT_SIZE );
|
|
schemaSource.write( schemaData.c_str(), size );
|
|
|
|
_inbuiltSchemaMap.clear();
|
|
_fields.pop_back();
|
|
}
|
|
|
|
if ( !_compressorName.empty() )
|
|
{
|
|
_fields.push_back( "Compression" );
|
|
BaseCompressor* compressor = Registry::instance()->getObjectWrapperManager()->findCompressor(_compressorName);
|
|
if ( !compressor || !ostream )
|
|
{
|
|
_fields.pop_back();
|
|
return;
|
|
}
|
|
|
|
if ( !compressor->compress(*ostream, schemaSource.str() + _compressSource.str()) )
|
|
throwException( "OutputStream: Failed to compress stream." );
|
|
if ( getException() ) return;
|
|
_fields.pop_back();
|
|
}
|
|
else if ( _useSchemaData )
|
|
{
|
|
std::string str = schemaSource.str() + _compressSource.str();
|
|
ostream->write( str.c_str(), str.size() );
|
|
}
|
|
}
|
|
|
|
void OutputStream::writeSchema( std::ostream& fout )
|
|
{
|
|
// Write to external ascii stream
|
|
const ObjectWrapperManager::WrapperMap& wrappers = Registry::instance()->getObjectWrapperManager()->getWrapperMap();
|
|
for ( ObjectWrapperManager::WrapperMap::const_iterator itr=wrappers.begin();
|
|
itr!=wrappers.end(); ++itr )
|
|
{
|
|
ObjectWrapper* wrapper = itr->second.get();
|
|
fout << itr->first << " =";
|
|
|
|
StringList properties;
|
|
std::vector<int> types;
|
|
wrapper->writeSchema( properties, types );
|
|
|
|
std::string propertiesString;
|
|
unsigned int size = osg::minimum( properties.size(), types.size() );
|
|
for ( unsigned int i=0; i<size; ++i )
|
|
{
|
|
fout << " " << properties[i] << ":" << types[i];
|
|
}
|
|
fout << std::endl;
|
|
}
|
|
}
|
|
|
|
// PROTECTED METHODS
|
|
|
|
template<typename T>
|
|
void OutputStream::writeArrayImplementation( const T* a, int write_size, unsigned int numInRow )
|
|
{
|
|
*this << write_size << BEGIN_BRACKET;
|
|
if ( numInRow>1 )
|
|
{
|
|
for ( int i=0; i<write_size; ++i )
|
|
{
|
|
if ( !(i%numInRow) )
|
|
{
|
|
*this << std::endl << (*a)[i];
|
|
}
|
|
else
|
|
*this << (*a)[i];
|
|
}
|
|
*this << std::endl;
|
|
}
|
|
else
|
|
{
|
|
*this << std::endl;
|
|
for ( int i=0; i<write_size; ++i )
|
|
*this << (*a)[i] << std::endl;
|
|
}
|
|
*this << END_BRACKET << std::endl;
|
|
}
|
|
|
|
unsigned int OutputStream::findOrCreateArrayID( const osg::Array* array, bool& newID )
|
|
{
|
|
ArrayMap::iterator itr = _arrayMap.find( array );
|
|
if ( itr==_arrayMap.end() )
|
|
{
|
|
unsigned int id = _arrayMap.size()+1;
|
|
_arrayMap[array] = id;
|
|
newID = true;
|
|
return id;
|
|
}
|
|
newID = false;
|
|
return itr->second;
|
|
}
|
|
|
|
unsigned int OutputStream::findOrCreateObjectID( const osg::Object* obj, bool& newID )
|
|
{
|
|
ObjectMap::iterator itr = _objectMap.find( obj );
|
|
if ( itr==_objectMap.end() )
|
|
{
|
|
unsigned int id = _objectMap.size()+1;
|
|
_objectMap[obj] = id;
|
|
newID = true;
|
|
return id;
|
|
}
|
|
newID = false;
|
|
return itr->second;
|
|
}
|