Esempio n. 1
0
QgsSymbolLayerV2* QgsSimpleMarkerSymbolLayerV2::createFromSld( QDomElement &element )
{
  QgsDebugMsg( "Entered." );

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

  QString name = "square";
  QColor color, borderColor;
  double borderWidth, size;

  if ( !QgsSymbolLayerV2Utils::wellKnownMarkerFromSld( graphicElem, name, color, borderColor, 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;
  }

  QPointF offset;
  QgsSymbolLayerV2Utils::displacementFromSldElement( graphicElem, offset );

  QgsMarkerSymbolLayerV2 *m = new QgsSimpleMarkerSymbolLayerV2( name, color, borderColor, size );
  m->setAngle( angle );
  m->setOffset( offset );
  return m;
}
Esempio n. 2
0
void QgsMarkerSymbolV2::setSize( double s )
{
  double origSize = size();

  for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
  {
    QgsMarkerSymbolLayerV2* layer = static_cast<QgsMarkerSymbolLayerV2*>( *it );
    if ( layer->size() == origSize )
      layer->setSize( s );
    else if ( origSize != 0 )
    {
      // proportionally scale size
      layer->setSize( layer->size() * s / origSize );
    }
    // also scale offset to maintain relative position
    if ( origSize != 0 && ( layer->offset().x() || layer->offset().y() ) )
      layer->setOffset( QPointF( layer->offset().x() * s / origSize,
                                 layer->offset().y() * s / origSize ) );
  }
}
Esempio n. 3
0
QgsSymbolLayerV2* QgsFontMarkerSymbolLayerV2::createFromSld( QDomElement &element )
{
  QgsDebugMsg( "Entered." );

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

  QString name, format;
  QColor color;
  double size;
  int chr;

  if ( !QgsSymbolLayerV2Utils::externalMarkerFromSld( graphicElem, name, format, chr, color, size ) )
    return NULL;

  if ( !name.startsWith( "ttf://" ) || format != "ttf" )
    return NULL;

  QString fontFamily = name.mid( 6 );

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

  QPointF offset;
  QgsSymbolLayerV2Utils::displacementFromSldElement( graphicElem, offset );

  QgsMarkerSymbolLayerV2 *m = new QgsFontMarkerSymbolLayerV2( fontFamily, chr, size, color );
  m->setAngle( angle );
  m->setOffset( offset );
  return m;
}