1 | #include "ReaderWriterDist.h" |
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2 | #include <osg/KdTree> |
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3 | |
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4 | ReaderWriterDist::ReaderWriterDist() |
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5 | { |
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6 | supportsExtension( "dist", "distortion set loader"); |
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7 | extensionToAdd = ".dist"; |
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8 | |
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9 | // Configure Compression and instantiate read/write-options |
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10 | bool asAscii = true; |
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11 | bool compressionEnabled = false; |
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12 | |
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13 | std::string readOptionString = ""; |
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14 | std::string writeOptionString = ""; |
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15 | if(asAscii) |
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16 | { |
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17 | readOptionString = "Ascii"; |
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18 | writeOptionString = "Ascii"; |
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19 | } |
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20 | if (compressionEnabled) |
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21 | writeOptionString+=" Compressor=zlib"; |
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22 | readOptions = new osgDB::Options( readOptionString.c_str() ); |
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23 | writeOptions = new osgDB::Options( writeOptionString.c_str() ); |
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24 | |
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25 | // Get ReaderWriter |
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26 | rw = osgDB::Registry::instance()->getReaderWriterForExtension("osgt"); |
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27 | |
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28 | } |
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29 | |
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30 | ReaderWriterDist::ReadResult ReaderWriterDist::readNode( const std::string& file, const osgDB::ReaderWriter::Options* options) const |
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31 | { |
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32 | std::string ext = osgDB::getLowerCaseFileExtension( file ); |
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33 | if( !acceptsExtension(ext) ) |
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34 | return ReadResult::FILE_NOT_HANDLED; |
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35 | |
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36 | // check if file exists |
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37 | std::string fileName = osgDB::findDataFile( file, options ); |
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38 | if( fileName.empty() ) |
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39 | return ReadResult::FILE_NOT_FOUND; |
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40 | |
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41 | std::ifstream stream( fileName.c_str(), std::ios::in ); |
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42 | if (!stream) return ReadResult::ERROR_IN_READING_FILE; |
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43 | return readNode( stream, options ); |
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44 | } |
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45 | |
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46 | ReaderWriterDist::ReadResult ReaderWriterDist:: readNode( std::istream& fin, const osgDB::ReaderWriter::Options* options ) const |
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47 | { |
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48 | if ( rw ) |
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49 | { |
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50 | osgDB::ReaderWriter::ReadResult rr = rw->readObject( fin, readOptions ); |
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51 | if (rr.success()) |
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52 | { |
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53 | return( rr.takeObject() ); |
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54 | } |
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55 | else |
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56 | OSG_NOTIFY( osg::WARN ) << "ERROR: Unable to convert stream to node" << std::endl; |
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57 | } |
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58 | else |
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59 | OSG_NOTIFY( osg::WARN ) << "ERROR: Unable to get ReaderWriter for internally used extension" << std::endl; |
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60 | } |
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61 | |
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62 | ReaderWriterDist::WriteResult writeNode( const osg::Node& node, const std::string& fileName, const Options* options ) const |
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63 | { |
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64 | std::string ext = osgDB::getLowerCaseFileExtension( file ); |
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65 | if( !acceptsExtension(ext) ) |
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66 | return WriteResult::FILE_NOT_HANDLED; |
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67 | |
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68 | std::ifstream stream( fileName.c_str(), std::ios::in ); |
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69 | if (!stream) return ReadResult::ERROR_IN_READING_FILE; |
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70 | return readNode( stream, options ); |
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71 | // ------------------ |
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72 | WriteResult result = WriteResult::FILE_SAVED; |
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73 | std::ios::openmode mode = std::ios::out; |
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74 | osg::ref_ptr<Options> local_opt = prepareWriting( result, fileName, mode, options ); |
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75 | if ( !result.success() ) return result; |
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76 | |
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77 | osgDB::ofstream fout( fileName.c_str(), mode ); |
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78 | if ( !fout ) return WriteResult::ERROR_IN_WRITING_FILE; |
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79 | |
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80 | result = writeNode( node, fout, local_opt.get() ); |
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81 | fout.close(); |
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82 | return result; |
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83 | } |
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84 | |
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85 | ReaderWriterDist::WriteResult writeNode( const osg::Node& node, std::ostream& fout, const Options* options ) const |
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86 | { |
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87 | if ( rw ) |
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88 | { |
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89 | osgDB::ReaderWriter::WriteResult wr = rw->writeObject( node, fout, writeOptions ); |
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90 | if (wr.success() ) |
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91 | { |
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92 | OSG_NOTIFY( osg::WARN ) << "schreiben geschafft!"<< std::endl; |
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93 | } |
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94 | else OSG_NOTIFY( osg::WARN ) << "ERROR: Save failed: " << wr.message() << std::endl; |
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95 | return(wr); |
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96 | } |
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97 | OSG_NOTIFY( osg::WARN ) << "ERROR: Unable to get ReaderWriter for internally used extension" << std::endl; |
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98 | } |
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99 | |
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100 | // Add ourself to the Registry to instantiate the reader/writer. |
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101 | REGISTER_OSGPLUGIN(dist, ReaderWriterDist) |
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