C++ (Cpp) QgsDxfExport::symbologyScaleDenominator 예제들

예제 #1

파일: qgslinesymbollayerv2.cpp 프로젝트: ACorradini/QGIS

double QgsSimpleLineSymbolLayerV2::dxfWidth( const QgsDxfExport& e, const QgsSymbolV2RenderContext& context ) const
{
  double width = mWidth;
  QgsExpression* strokeWidthExpression = expression( "width" );
  if ( strokeWidthExpression )
  {
    width = strokeWidthExpression->evaluate( const_cast<QgsFeature*>( context.feature() ) ).toDouble() * e.mapUnitScaleFactor( e.symbologyScaleDenominator(), widthUnit(), e.mapUnits() );
  }
  else if ( context.renderHints() & QgsSymbolV2::DataDefinedSizeScale )
  {
    width = mWidth * QgsSymbolLayerV2Utils::lineWidthScaleFactor( context.renderContext(), mWidthUnit, mWidthMapUnitScale );
  }

  return width * e.mapUnitScaleFactor( e.symbologyScaleDenominator(), widthUnit(), e.mapUnits() );
}

예제 #2

파일: qgslinesymbollayerv2.cpp 프로젝트: applergroup/QGIS

double QgsSimpleLineSymbolLayerV2::dxfWidth( const QgsDxfExport& e, QgsSymbolV2RenderContext& context ) const
{
  double width = mWidth;

  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_WIDTH ) )
  {
    context.setOriginalValueVariable( mWidth );
    width = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_WIDTH, context, mWidth ).toDouble() * e.mapUnitScaleFactor( e.symbologyScaleDenominator(), widthUnit(), e.mapUnits() );
  }
  else if ( context.renderHints() & QgsSymbolV2::DataDefinedSizeScale )
  {
    width = QgsSymbolLayerV2Utils::convertToPainterUnits( context.renderContext(), mWidth, mWidthUnit, mWidthMapUnitScale );
  }

  return width * e.mapUnitScaleFactor( e.symbologyScaleDenominator(), widthUnit(), e.mapUnits() );
}

예제 #3

파일: qgssymbollayerv2.cpp 프로젝트: AaronGaim/QGIS

double QgsLineSymbolLayerV2::dxfWidth( const QgsDxfExport& e, const QgsSymbolV2RenderContext& context ) const
{
  Q_UNUSED( context );
  return ( width() * e.mapUnitScaleFactor( e.symbologyScaleDenominator(), widthUnit(), e.mapUnits() ) );
}