C++ (Cpp) QgsLineSymbolLayerV2::setWidth Beispiele

Beispiel #1

Datei: qgssymbolv2.cpp Projekt: RossGammon/QGIS

void QgsLineSymbolV2::setWidth( double w )
{
  double origWidth = width();

  for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
  {
    QgsLineSymbolLayerV2* layer = ( QgsLineSymbolLayerV2* ) * it;
    if ( layer->width() == origWidth )
    {
      layer->setWidth( w );
    }
    else
    {
      // proportionally scale the width
      if ( origWidth != 0 )
        layer->setWidth( layer->width() * w / origWidth );
    }
  }
}

Beispiel #2

Datei: qgssymbolv2.cpp Projekt: dengchangtao/Quantum-GIS

void QgsLineSymbolV2::setWidth( double w )
{
  double origWidth = width();

  for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
  {
    QgsLineSymbolLayerV2* layer = ( QgsLineSymbolLayerV2* ) * it;
    if ( layer->width() == origWidth )
    {
      layer->setWidth( w );
    }
    else if ( origWidth != 0 )
    {
      // proportionally scale the width
      layer->setWidth( layer->width() * w / origWidth );
    }
    // also scale offset to maintain relative position
    if ( origWidth != 0 && layer->offset() )
      layer->setOffset( layer->offset() * w / origWidth );
  }
}