File indexing completed on 2024-12-01 09:46:19
0001 // SPDX-License-Identifier: LGPL-2.1-or-later 0002 // 0003 // SPDX-FileCopyrightText: 2006-2007 Torsten Rahn <tackat@kde.org> 0004 // SPDX-FileCopyrightText: 2007 Inge Wallin <ingwa@kde.org> 0005 // 0006 0007 0008 #include "svgxmlhandler.h" 0009 #include <QDebug> 0010 #include <QDataStream> 0011 0012 SVGXmlHandler::SVGXmlHandler(const QString& targetfile) 0013 { 0014 m_header = 8000; 0015 m_pointnum = 0; 0016 m_initialized = false; 0017 m_targetfile = targetfile; 0018 } 0019 0020 bool SVGXmlHandler::startElement(const QString& nspace, 0021 const QString& localName, 0022 const QString& qName, 0023 const QXmlAttributes &atts) 0024 { 0025 Q_UNUSED(nspace) 0026 Q_UNUSED(localName) 0027 0028 qDebug(); 0029 if (qName == QLatin1String("g")) { 0030 qDebug( "Parsing Data ..." ); 0031 m_initialized = true; 0032 } 0033 0034 if (qName == QLatin1String("path") && m_initialized) { 0035 QString coordinates = atts.value( "d" ); 0036 0037 QStringList stringlist; 0038 coordinates.chop(2); 0039 stringlist << coordinates.mid(1).split(QLatin1Char('L')); 0040 // The last element is the first element 0041 // stringlist.removeLast(); 0042 bool firstheader = true; 0043 QFile file( m_targetfile ); 0044 0045 // Read the data serialized from the file. 0046 file.open( QIODevice::Append ); 0047 QDataStream stream( &file ); 0048 stream.setByteOrder( QDataStream::LittleEndian ); 0049 0050 int count = 0; 0051 qDebug() << "Starting to write path" << atts.value( "id" ); 0052 for ( const QString& str: stringlist ) { 0053 // qDebug()<<str; 0054 float x; 0055 float y; 0056 x = str.section(QLatin1Char(','), 0, 0).toFloat(); 0057 y = str.section(QLatin1Char(','), 1, 1).toFloat(); 0058 0059 // qDebug() << "x:" << x << "y:" << y; 0060 0061 short header; 0062 short lat; 0063 short lng; 0064 0065 if ( firstheader ) { 0066 header = m_header; 0067 firstheader = false; 0068 } 0069 else { 0070 if ( stringlist.size() > 14 ) { 0071 if ( count % 9 == 0 ) 0072 header = 5; 0073 else if ( count % 5 == 0 ) 0074 header = 3; 0075 else if ( count % 2 == 0 ) 0076 header = 2; 0077 else 0078 header = 1; 0079 } 0080 else if ( stringlist.size() > 6 ) { 0081 if ( count % 2 == 0 ) 0082 header = 3; 0083 else 0084 header = 1; 0085 } 0086 else { 0087 header = 2; 0088 } 0089 } 0090 if ( count == stringlist.size() - 1 ) 0091 header = 5; 0092 0093 lng = (int)( x * 50 - 10800 ); 0094 lat = -(int)( y * 50 - 5400 ); 0095 0096 qDebug() << "lng:" << lng << "lat:" << lat << "header:" 0097 << header << "node#:" << m_pointnum; 0098 0099 stream << header << lat << lng; 0100 m_pointnum++; 0101 count++; 0102 } 0103 0104 m_header++; 0105 } 0106 0107 return true; 0108 }