C++ qgsstringmap::iterator类代码示例

QgsSymbolLayer *QgsEllipseSymbolLayer::createFromSld( QDomElement &element )
{
  QgsDebugMsg( "Entered." );

  QDomElement graphicElem = element.firstChildElement( QStringLiteral( "Graphic" ) );
  if ( graphicElem.isNull() )
    return nullptr;

  QString name = QStringLiteral( "circle" );
  QColor fillColor, strokeColor;
  double strokeWidth, size;
  double widthHeightFactor = 1.0;
  Qt::PenStyle strokeStyle;

  QgsStringMap vendorOptions = QgsSymbolLayerUtils::getVendorOptionList( graphicElem );
  for ( QgsStringMap::iterator it = vendorOptions.begin(); it != vendorOptions.end(); ++it )
  {
    if ( it.key() == QLatin1String( "widthHeightFactor" ) )
    {
      bool ok;
      double v = it.value().toDouble( &ok );
      if ( ok && !qgsDoubleNear( v, 0.0 ) && v > 0 )
        widthHeightFactor = v;
    }
  }

  if ( !QgsSymbolLayerUtils::wellKnownMarkerFromSld( graphicElem, name, fillColor, strokeColor, strokeStyle, strokeWidth, size ) )
    return nullptr;

  QString uom = element.attribute( QStringLiteral( "uom" ) );
  size = QgsSymbolLayerUtils::sizeInPixelsFromSldUom( uom, size );
  strokeWidth = QgsSymbolLayerUtils::sizeInPixelsFromSldUom( uom, strokeWidth );

  double angle = 0.0;
  QString angleFunc;
  if ( QgsSymbolLayerUtils::rotationFromSldElement( graphicElem, angleFunc ) )
  {
    bool ok;
    double d = angleFunc.toDouble( &ok );
    if ( ok )
      angle = d;
  }

  QgsEllipseSymbolLayer *m = new QgsEllipseSymbolLayer();
  m->setOutputUnit( QgsUnitTypes::RenderUnit::RenderPixels );
  m->setSymbolName( name );
  m->setFillColor( fillColor );
  m->setStrokeColor( strokeColor );
  m->setStrokeStyle( strokeStyle );
  m->setStrokeWidth( strokeWidth );
  m->setSymbolWidth( size );
  m->setSymbolHeight( size / widthHeightFactor );
  m->setAngle( angle );
  return m;
}

QgsSymbolLayerV2* QgsEllipseSymbolLayerV2::createFromSld( QDomElement &element )
{
  QgsDebugMsg( "Entered." );

  QDomElement graphicElem = element.firstChildElement( "Graphic" );
  if ( graphicElem.isNull() )
    return NULL;

  QString name = "circle";
  QColor fillColor, borderColor;
  double borderWidth, size;
  double widthHeightFactor = 1.0;
  Qt::PenStyle borderStyle;

  QgsStringMap vendorOptions = QgsSymbolLayerV2Utils::getVendorOptionList( graphicElem );
  for ( QgsStringMap::iterator it = vendorOptions.begin(); it != vendorOptions.end(); ++it )
  {
    if ( it.key() == "widthHeightFactor" )
    {
      bool ok;
      double v = it.value().toDouble( &ok );
      if ( ok && !qgsDoubleNear( v, 0.0 ) && v > 0 )
        widthHeightFactor = v;
    }
  }

  if ( !QgsSymbolLayerV2Utils::wellKnownMarkerFromSld( graphicElem, name, fillColor, borderColor, borderStyle, borderWidth, size ) )
    return NULL;

  double angle = 0.0;
  QString angleFunc;
  if ( QgsSymbolLayerV2Utils::rotationFromSldElement( graphicElem, angleFunc ) )
  {
    bool ok;
    double d = angleFunc.toDouble( &ok );
    if ( ok )
      angle = d;
  }

  QgsEllipseSymbolLayerV2 *m = new QgsEllipseSymbolLayerV2();
  m->setSymbolName( name );
  m->setFillColor( fillColor );
  m->setOutlineColor( borderColor );
  m->setOutlineStyle( borderStyle );
  m->setOutlineWidth( borderWidth );
  m->setSymbolWidth( size );
  m->setSymbolHeight( size / widthHeightFactor );
  m->setAngle( angle );
  return m;
}

void QgsCptCityArchive::initArchives( bool loadAll )
{
  QgsStringMap archivesMap;
  QString baseDir, defArchiveName;
  QgsSettings settings;

  // use CptCity/baseDir setting if set, default is user dir
  baseDir = settings.value( QStringLiteral( "CptCity/baseDir" ),
                            QgsApplication::pkgDataPath() + "/resources" ).toString();
  // sub-dir defaults to
  defArchiveName = settings.value( QStringLiteral( "CptCity/archiveName" ), DEFAULT_CPTCITY_ARCHIVE ).toString();

  QgsDebugMsg( "baseDir= " + baseDir + " defArchiveName= " + defArchiveName );
  if ( loadAll )
  {
    QDir dir( baseDir );
    const QStringList fileList = dir.entryList( QStringList() << QStringLiteral( "cpt-city*" ), QDir::Dirs );
    for ( const QString &entry : fileList )
    {
      if ( QFile::exists( baseDir + '/' + entry + "/VERSION.xml" ) )
        archivesMap[ entry ] = baseDir + '/' + entry;
    }
  }
  else
  {
    archivesMap[ defArchiveName ] = baseDir + '/' + defArchiveName;
  }

  for ( QgsStringMap::iterator it = archivesMap.begin();
        it != archivesMap.end(); ++it )
  {
    if ( QDir( it.value() ).exists() )
      QgsCptCityArchive::initArchive( it.key(), it.value() );
    else
    {
      QgsDebugMsg( QString( "not loading archive [%1] because dir %2 does not exist " ).arg( it.key(), it.value() ) );
    }
  }
  sDefaultArchiveName = defArchiveName;
}

bool QgsPaintEffect::saveProperties( QDomDocument &doc, QDomElement &element ) const
{
  if ( element.isNull() )
  {
    return false;
  }

  QDomElement effectElement = doc.createElement( QStringLiteral( "effect" ) );
  effectElement.setAttribute( QStringLiteral( "type" ), type() );

  QgsStringMap props = properties();
  for ( QgsStringMap::iterator it = props.begin(); it != props.end(); ++it )
  {
    QDomElement propEl = doc.createElement( QStringLiteral( "prop" ) );
    propEl.setAttribute( QStringLiteral( "k" ), it.key() );
    propEl.setAttribute( QStringLiteral( "v" ), it.value() );
    effectElement.appendChild( propEl );
  }

  element.appendChild( effectElement );
  return true;
}

QgsSymbolLayerV2* QgsMarkerLineSymbolLayerV2::createFromSld( QDomElement &element )
{
  QgsDebugMsg( "Entered." );

  QDomElement strokeElem = element.firstChildElement( "Stroke" );
  if ( strokeElem.isNull() )
    return NULL;

  QDomElement graphicStrokeElem = strokeElem.firstChildElement( "GraphicStroke" );
  if ( graphicStrokeElem.isNull() )
    return NULL;

  // retrieve vendor options
  bool rotateMarker = true;
  Placement placement = Interval;

  QgsStringMap vendorOptions = QgsSymbolLayerV2Utils::getVendorOptionList( element );
  for ( QgsStringMap::iterator it = vendorOptions.begin(); it != vendorOptions.end(); ++it )
  {
    if ( it.key() == "placement" )
    {
      if ( it.value() == "points" ) placement = Vertex;
      else if ( it.value() == "firstPoint" ) placement = FirstVertex;
      else if ( it.value() == "lastPoint" ) placement = LastVertex;
      else if ( it.value() == "centralPoint" ) placement = CentralPoint;
    }
    else if ( it.value() == "rotateMarker" )
    {
      rotateMarker = it.value() == "0";
    }
  }

  QgsMarkerSymbolV2 *marker = 0;

  QgsSymbolLayerV2 *l = QgsSymbolLayerV2Utils::createMarkerLayerFromSld( graphicStrokeElem );
  if ( l )
  {
    QgsSymbolLayerV2List layers;
    layers.append( l );
    marker = new QgsMarkerSymbolV2( layers );
  }

  if ( !marker )
    return NULL;

  double interval = 0.0;
  QDomElement gapElem = graphicStrokeElem.firstChildElement( "Gap" );
  if ( !gapElem.isNull() )
  {
    bool ok;
    double d = gapElem.firstChild().nodeValue().toDouble( &ok );
    if ( ok )
      interval = d;
  }

  double offset = 0.0;
  QDomElement perpOffsetElem = graphicStrokeElem.firstChildElement( "PerpendicularOffset" );
  if ( !perpOffsetElem.isNull() )
  {
    bool ok;
    double d = perpOffsetElem.firstChild().nodeValue().toDouble( &ok );
    if ( ok )
      offset = d;
  }

  QgsMarkerLineSymbolLayerV2* x = new QgsMarkerLineSymbolLayerV2( rotateMarker );
  x->setPlacement( placement );
  x->setInterval( interval );
  x->setSubSymbol( marker );
  x->setOffset( offset );
  return x;
}