[371] | 1 | /* osgVisual test. distortionNG, experimental. |
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| 2 | * |
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| 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 4 | * of this software and associated documentation files (the "Software"), to deal |
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| 5 | * in the Software without restriction, including without limitation the rights |
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| 6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 7 | * copies of the Software, and to permit persons to whom the Software is |
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| 8 | * furnished to do so, subject to the following conditions: |
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| 9 | * |
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| 10 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 11 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 12 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 13 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 14 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 15 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 16 | * THE SOFTWARE. |
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| 17 | */ |
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| 18 | |
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[365] | 19 | #include "ReaderWriterDist.h" |
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| 20 | #include <osg/KdTree> |
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| 21 | |
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| 22 | ReaderWriterDist::ReaderWriterDist() |
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| 23 | { |
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| 24 | supportsExtension( "dist", "distortion set loader"); |
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[366] | 25 | extensionToAdd = ".dist"; |
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[365] | 26 | |
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[366] | 27 | // Configure Compression and instantiate read/write-options |
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| 28 | bool asAscii = true; |
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| 29 | bool compressionEnabled = false; |
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[365] | 30 | |
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[366] | 31 | std::string readOptionString = ""; |
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| 32 | std::string writeOptionString = ""; |
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| 33 | if(asAscii) |
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| 34 | { |
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| 35 | readOptionString = "Ascii"; |
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| 36 | writeOptionString = "Ascii"; |
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| 37 | } |
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| 38 | if (compressionEnabled) |
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| 39 | writeOptionString+=" Compressor=zlib"; |
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| 40 | readOptions = new osgDB::Options( readOptionString.c_str() ); |
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| 41 | writeOptions = new osgDB::Options( writeOptionString.c_str() ); |
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| 42 | |
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| 43 | // Get ReaderWriter |
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| 44 | rw = osgDB::Registry::instance()->getReaderWriterForExtension("osgt"); |
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[365] | 45 | } |
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| 46 | |
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[367] | 47 | ReaderWriterDist::Options* ReaderWriterDist::prepareReading( ReadResult& result, std::string& fileName, std::ios::openmode& mode, const Options* options ) const |
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[365] | 48 | { |
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[367] | 49 | std::string ext = osgDB::getLowerCaseFileExtension( fileName ); |
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| 50 | if ( !acceptsExtension(ext) ) |
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| 51 | { |
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| 52 | result = ReadResult::FILE_NOT_HANDLED; |
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| 53 | return 0; |
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| 54 | } |
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| 55 | fileName = osgDB::findDataFile( fileName, options ); |
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| 56 | if ( fileName.empty() ) |
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| 57 | { |
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| 58 | result = ReadResult::FILE_NOT_FOUND; |
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| 59 | return 0; |
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| 60 | } |
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[365] | 61 | |
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[367] | 62 | osg::ref_ptr<Options> local_opt = options ? |
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| 63 | static_cast<Options*>(options->clone(osg::CopyOp::SHALLOW_COPY)) : new Options; |
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| 64 | local_opt->getDatabasePathList().push_front(osgDB::getFilePath(fileName)); |
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[365] | 65 | |
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[367] | 66 | mode |= std::ios::binary; |
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| 67 | |
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| 68 | return local_opt.release(); |
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[366] | 69 | } |
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| 70 | |
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[367] | 71 | ReaderWriterDist::ReadResult ReaderWriterDist::readObject( const std::string& file, const Options* options) const |
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[366] | 72 | { |
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[368] | 73 | // This function must be reimplemented because the osgb|t|x plugin would test for a valid filename extension and thus would block the fiel due to it's .dist extension. |
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[367] | 74 | ReadResult result = ReadResult::FILE_LOADED; |
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| 75 | std::string fileName = file; |
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| 76 | std::ios::openmode mode = std::ios::in; |
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| 77 | Options* local_opt = prepareReading( result, fileName, mode, options ); |
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| 78 | if ( !result.success() ) return result; |
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| 79 | |
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| 80 | osgDB::ifstream istream( fileName.c_str(), mode ); |
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| 81 | return readObject( istream, local_opt ); |
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| 82 | } |
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| 83 | |
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| 84 | ReaderWriterDist::ReadResult ReaderWriterDist::readObject( std::istream& fin, const Options* options ) const |
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| 85 | { |
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[368] | 86 | // This function uses the osgb|t|x plugin to perform the operation |
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[366] | 87 | if ( rw ) |
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[365] | 88 | { |
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[366] | 89 | osgDB::ReaderWriter::ReadResult rr = rw->readObject( fin, readOptions ); |
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| 90 | if (rr.success()) |
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| 91 | { |
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| 92 | return( rr.takeObject() ); |
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| 93 | } |
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| 94 | else |
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| 95 | OSG_NOTIFY( osg::WARN ) << "ERROR: Unable to convert stream to node" << std::endl; |
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[365] | 96 | } |
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[367] | 97 | OSG_NOTIFY( osg::WARN ) << "ERROR: Unable to get ReaderWriter for internally used extension" << std::endl; |
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| 98 | return( ReadResult::NOT_IMPLEMENTED ); |
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[366] | 99 | } |
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[365] | 100 | |
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[367] | 101 | ReaderWriterDist::Options* ReaderWriterDist::prepareWriting( WriteResult& result, const std::string& fileName, std::ios::openmode& mode, const Options* options ) const |
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[366] | 102 | { |
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[367] | 103 | std::string ext = osgDB::getFileExtension( fileName ); |
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| 104 | if ( !acceptsExtension(ext) ) result = WriteResult::FILE_NOT_HANDLED; |
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[365] | 105 | |
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[367] | 106 | osg::ref_ptr<Options> local_opt = options ? |
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| 107 | static_cast<Options*>(options->clone(osg::CopyOp::SHALLOW_COPY)) : new Options; |
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| 108 | local_opt->getDatabasePathList().push_front(osgDB::getFilePath(fileName)); |
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[366] | 109 | |
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[367] | 110 | mode |= std::ios::binary; |
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[366] | 111 | |
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[367] | 112 | return local_opt.release(); |
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[365] | 113 | } |
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| 114 | |
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[367] | 115 | ReaderWriterDist::WriteResult ReaderWriterDist::writeObject( const osg::Object& object, const std::string& fileName, const osgDB::ReaderWriter::Options* options ) const |
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[366] | 116 | { |
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[368] | 117 | // This function must be reimplemented because the osgb|t|x plugin would test for a valid filename extension and thus would block the fiel due to it's .dist extension. |
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[367] | 118 | WriteResult result = WriteResult::FILE_SAVED; |
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| 119 | std::ios::openmode mode = std::ios::out; |
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| 120 | osg::ref_ptr<Options> local_opt = prepareWriting( result, fileName, mode, options ); |
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| 121 | if ( !result.success() ) return result; |
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| 122 | |
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| 123 | osgDB::ofstream fout( fileName.c_str(), mode ); |
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| 124 | if ( !fout ) return WriteResult::ERROR_IN_WRITING_FILE; |
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| 125 | |
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| 126 | result = writeObject( object, fout, local_opt.get() ); |
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| 127 | fout.close(); |
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| 128 | return result; |
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| 129 | } |
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| 130 | |
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| 131 | ReaderWriterDist::WriteResult ReaderWriterDist::writeObject( const osg::Object& object, std::ostream& fout, const osgDB::ReaderWriter::Options* options ) const |
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| 132 | { |
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[368] | 133 | // This function uses the osgb|t|x plugin to perform the operation |
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[366] | 134 | if ( rw ) |
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| 135 | { |
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[367] | 136 | osgDB::ReaderWriter::WriteResult wr = rw->writeObject( object, fout, writeOptions ); |
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[366] | 137 | if (wr.success() ) |
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| 138 | { |
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| 139 | OSG_NOTIFY( osg::WARN ) << "schreiben geschafft!"<< std::endl; |
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| 140 | } |
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| 141 | else OSG_NOTIFY( osg::WARN ) << "ERROR: Save failed: " << wr.message() << std::endl; |
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| 142 | return(wr); |
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| 143 | } |
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| 144 | OSG_NOTIFY( osg::WARN ) << "ERROR: Unable to get ReaderWriter for internally used extension" << std::endl; |
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[367] | 145 | return( WriteResult::NOT_IMPLEMENTED ); |
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[366] | 146 | } |
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| 147 | |
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[365] | 148 | // Add ourself to the Registry to instantiate the reader/writer. |
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[367] | 149 | REGISTER_OSGPLUGIN(dist, ReaderWriterDist) |
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