Exemplo n.º 1
0
bool QgsEllipseSymbolLayerV2::writeDxf( QgsDxfExport& e, double mmMapUnitScaleFactor, const QString& layerName, const QgsSymbolV2RenderContext* context, const QgsFeature* f, const QPointF& shift ) const
{
  //width
  double symbolWidth = mSymbolWidth;
  QgsExpression* widthExpression = expression( "width" );
  if ( widthExpression ) //1. priority: data defined setting on symbol layer level
  {
    symbolWidth = widthExpression->evaluate( const_cast<QgsFeature*>( f ) ).toDouble();
  }
  else if ( context->renderHints() & QgsSymbolV2::DataDefinedSizeScale ) //2. priority: is data defined size on symbol level
  {
    symbolWidth = mSize;
  }
  if ( mSymbolWidthUnit == QgsSymbolV2::MM )
  {
    symbolWidth *= mmMapUnitScaleFactor;
  }

  //height
  double symbolHeight = mSymbolHeight;
  QgsExpression* heightExpression = expression( "height" );
  if ( heightExpression ) //1. priority: data defined setting on symbol layer level
  {
    symbolHeight =  heightExpression->evaluate( const_cast<QgsFeature*>( f ) ).toDouble();
  }
  else if ( context->renderHints() & QgsSymbolV2::DataDefinedSizeScale ) //2. priority: is data defined size on symbol level
  {
    symbolHeight = mSize;
  }
  if ( mSymbolHeightUnit == QgsSymbolV2::MM )
  {
    symbolHeight *= mmMapUnitScaleFactor;
  }

  //outline width
  double outlineWidth = mOutlineWidth;
  QgsExpression* outlineWidthExpression = expression( "outline_width" );
  if ( outlineWidthExpression )
  {
    outlineWidth = outlineWidthExpression->evaluate( const_cast<QgsFeature*>( context->feature() ) ).toDouble();
  }
  if ( mOutlineWidthUnit == QgsSymbolV2::MM )
  {
    outlineWidth *= outlineWidth;
  }

  //fill color
  QColor fc = mFillColor;
  QgsExpression* fillColorExpression = expression( "fill_color" );
  if ( fillColorExpression )
  {
    fc = QColor( fillColorExpression->evaluate( const_cast<QgsFeature*>( context->feature() ) ).toString() );
  }
  int fillColorIndex = e.closestColorMatch( fc.rgb() );

  //outline color
  QColor oc = mOutlineColor;
  QgsExpression* outlineColorExpression = expression( "outline_color" );
  if ( outlineColorExpression )
  {
    oc = QColor( outlineColorExpression->evaluate( const_cast<QgsFeature*>( context->feature() ) ).toString() );
  }
  int outlineColorIndex = e.closestColorMatch( oc.rgb() );


  //symbol name
  QString symbolName =  mSymbolName;
  QgsExpression* symbolNameExpression = expression( "symbol_name" );
  if ( symbolNameExpression )
  {
    QgsExpression* symbolNameExpression = expression( "symbol_name" );
    symbolName = symbolNameExpression->evaluate( const_cast<QgsFeature*>( context->feature() ) ).toString();
  }

  //offset
  double offsetX = 0;
  double offsetY = 0;
  markerOffset( *context, offsetX, offsetY );
  QPointF off( offsetX, offsetY );

  //priority for rotation: 1. data defined symbol level, 2. symbol layer rotation (mAngle)
  double rotation = 0.0;
  QgsExpression* rotationExpression = expression( "rotation" );
  if ( rotationExpression )
  {
    rotation = rotationExpression->evaluate( const_cast<QgsFeature*>( context->feature() ) ).toDouble();
  }
  else if ( !qgsDoubleNear( mAngle, 0.0 ) )
  {
    rotation = mAngle;
  }
  rotation = -rotation; //rotation in Qt is counterclockwise
  if ( rotation )
    off = _rotatedOffset( off, rotation );

  QTransform t;
  t.translate( shift.x() + offsetX, shift.y() + offsetY );

  if ( rotation != 0 )
    t.rotate( rotation );

  double halfWidth = symbolWidth / 2.0;
  double halfHeight = symbolHeight / 2.0;

  if ( symbolName == "circle" )
  {
    if ( qgsDoubleNear( halfWidth, halfHeight ) )
    {
      QPointF pt( t.map( QPointF( 0, 0 ) ) );
      e.writeCircle( layerName, outlineColorIndex, QgsPoint( pt.x(), pt.y() ), halfWidth );
    }
    else
    {
      QgsPolyline line;
      double stepsize = 2 * M_PI / 40;
      for ( int i = 0; i < 39; ++i )
      {
        double angle = stepsize * i;
        double x = halfWidth * cos( angle );
        double y = halfHeight * sin( angle );
        QPointF pt( t.map( QPointF( x, y ) ) );
        line.push_back( QgsPoint( pt.x(), pt.y() ) );
      }
      //close ellipse with first point
      line.push_back( line.at( 0 ) );
      e.writePolyline( line, layerName, "solid", outlineColorIndex, outlineWidth, true );
    }
  }
  else if ( symbolName == "rectangle" )
  {
    QPointF pt1( t.map( QPointF( -halfWidth, -halfHeight ) ) );
    QPointF pt2( t.map( QPointF( halfWidth, -halfHeight ) ) );
    QPointF pt3( t.map( QPointF( -halfWidth, halfHeight ) ) );
    QPointF pt4( t.map( QPointF( halfWidth, halfHeight ) ) );
    e.writeSolid( layerName, fillColorIndex, QgsPoint( pt1.x(), pt1.y() ), QgsPoint( pt2.x(), pt2.y() ), QgsPoint( pt3.x(), pt3.y() ), QgsPoint( pt4.x(), pt4.y() ) );
    return true;
  }
  else if ( symbolName == "cross" )
  {
    QgsPolyline line1( 2 );
    QPointF pt1( t.map( QPointF( -halfWidth, 0 ) ) );
    QPointF pt2( t.map( QPointF( halfWidth, 0 ) ) );
    line1[0] = QgsPoint( pt1.x(), pt1.y() );
    line1[1] = QgsPoint( pt2.x(), pt2.y() );
    e.writePolyline( line1, layerName, "CONTINUOUS", outlineColorIndex, outlineWidth, false );
    QgsPolyline line2( 2 );
    QPointF pt3( t.map( QPointF( 0, halfHeight ) ) );
    QPointF pt4( t.map( QPointF( 0, -halfHeight ) ) );
    line2[0] = QgsPoint( pt3.x(), pt3.y() );
    line2[1] = QgsPoint( pt4.x(), pt4.y() );
    e.writePolyline( line2, layerName, "CONTINUOUS", outlineColorIndex, outlineWidth, false );
    return true;
  }
  else if ( symbolName == "triangle" )
  {
    QPointF pt1( t.map( QPointF( -halfWidth, -halfHeight ) ) );
    QPointF pt2( t.map( QPointF( halfWidth, -halfHeight ) ) );
    QPointF pt3( t.map( QPointF( 0, halfHeight ) ) );
    QPointF pt4( t.map( QPointF( 0, halfHeight ) ) );
    e.writeSolid( layerName, fillColorIndex, QgsPoint( pt1.x(), pt1.y() ), QgsPoint( pt2.x(), pt2.y() ), QgsPoint( pt3.x(), pt3.y() ), QgsPoint( pt4.x(), pt4.y() ) );
    return true;
  }

  return false; //soon...
}
Exemplo n.º 2
0
bool QgsEllipseSymbolLayerV2::writeDxf( QgsDxfExport& e, double mmMapUnitScaleFactor, const QString& layerName, QgsSymbolV2RenderContext *context, const QgsFeature*, const QPointF& shift ) const
{
  //width
  double symbolWidth = mSymbolWidth;

  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_WIDTH ) ) //1. priority: data defined setting on symbol layer le
  {
    context->setOriginalValueVariable( mSymbolWidth );
    symbolWidth = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_WIDTH, *context, mSymbolWidth ).toDouble();
  }
  else if ( context->renderHints() & QgsSymbolV2::DataDefinedSizeScale ) //2. priority: is data defined size on symbol level
  {
    symbolWidth = mSize;
  }
  if ( mSymbolWidthUnit == QgsSymbolV2::MM )
  {
    symbolWidth *= mmMapUnitScaleFactor;
  }

  //height
  double symbolHeight = mSymbolHeight;
  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_HEIGHT ) ) //1. priority: data defined setting on symbol layer level
  {
    context->setOriginalValueVariable( mSymbolHeight );
    symbolHeight = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_HEIGHT, *context, mSymbolHeight ).toDouble();
  }
  else if ( context->renderHints() & QgsSymbolV2::DataDefinedSizeScale ) //2. priority: is data defined size on symbol level
  {
    symbolHeight = mSize;
  }
  if ( mSymbolHeightUnit == QgsSymbolV2::MM )
  {
    symbolHeight *= mmMapUnitScaleFactor;
  }

  //outline width
  double outlineWidth = mOutlineWidth;

  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_WIDTH ) )
  {
    context->setOriginalValueVariable( mOutlineWidth );
    outlineWidth = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_WIDTH, *context, mOutlineWidth ).toDouble();
  }
  if ( mOutlineWidthUnit == QgsSymbolV2::MM )
  {
    outlineWidth *= outlineWidth;
  }

  //fill color
  bool ok;
  QColor fc = mFillColor;
  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_FILL_COLOR ) )
  {
    context->setOriginalValueVariable( QgsSymbolLayerV2Utils::encodeColor( mFillColor ) );
    QString colorString = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_FILL_COLOR, *context, QVariant(), &ok ).toString();
    if ( ok )
      fc = QgsSymbolLayerV2Utils::decodeColor( colorString );
  }

  //outline color
  QColor oc = mOutlineColor;
  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_COLOR ) )
  {
    context->setOriginalValueVariable( QgsSymbolLayerV2Utils::encodeColor( mOutlineColor ) );
    QString colorString = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_OUTLINE_COLOR, *context, QVariant(), &ok ).toString();
    if ( ok )
      oc = QgsSymbolLayerV2Utils::decodeColor( colorString );
  }

  //symbol name
  QString symbolName = mSymbolName;
  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_SYMBOL_NAME ) )
  {
    context->setOriginalValueVariable( mSymbolName );
    symbolName = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_SYMBOL_NAME, *context, mSymbolName ).toString();
  }

  //offset
  double offsetX = 0;
  double offsetY = 0;
  markerOffset( *context, offsetX, offsetY );
  QPointF off( offsetX, offsetY );

  //priority for rotation: 1. data defined symbol level, 2. symbol layer rotation (mAngle)
  double rotation = 0.0;
  if ( hasDataDefinedProperty( QgsSymbolLayerV2::EXPR_ROTATION ) )
  {
    context->setOriginalValueVariable( mAngle );
    rotation = evaluateDataDefinedProperty( QgsSymbolLayerV2::EXPR_ROTATION, *context, mAngle ).toDouble() + mLineAngle;
  }
  else if ( !qgsDoubleNear( mAngle + mLineAngle, 0.0 ) )
  {
    rotation = mAngle + mLineAngle;
  }
  rotation = -rotation; //rotation in Qt is counterclockwise
  if ( rotation )
    off = _rotatedOffset( off, rotation );

  QTransform t;
  t.translate( shift.x() + offsetX, shift.y() + offsetY );

  if ( rotation != 0 )
    t.rotate( rotation );

  double halfWidth = symbolWidth / 2.0;
  double halfHeight = symbolHeight / 2.0;

  if ( symbolName == "circle" )
  {
    if ( qgsDoubleNear( halfWidth, halfHeight ) )
    {
      QPointF pt( t.map( QPointF( 0, 0 ) ) );
      e.writeFilledCircle( layerName, oc, pt, halfWidth );
    }
    else
    {
      QgsPolyline line;
      double stepsize = 2 * M_PI / 40;
      for ( int i = 0; i < 39; ++i )
      {
        double angle = stepsize * i;
        double x = halfWidth * cos( angle );
        double y = halfHeight * sin( angle );
        QPointF pt( t.map( QPointF( x, y ) ) );
        line.push_back( pt );
      }
      //close ellipse with first point
      line.push_back( line.at( 0 ) );
      if ( mBrush.style() != Qt::NoBrush )
        e.writePolygon( QgsPolygon() << line, layerName, "SOLID", fc );
      if ( mPen.style() != Qt::NoPen )
        e.writePolyline( line, layerName, "CONTINUOUS", oc, outlineWidth );
    }
  }
  else if ( symbolName == "rectangle" )
  {
    QgsPolygon p( 1 );
    p[0].resize( 5 );
    p[0][0] = t.map( QPointF( -halfWidth, -halfHeight ) );
    p[0][1] = t.map( QPointF( halfWidth, -halfHeight ) );
    p[0][2] = t.map( QPointF( halfWidth, halfHeight ) );
    p[0][3] = t.map( QPointF( -halfWidth, halfHeight ) );
    p[0][4] = p[0][0];
    if ( mBrush.style() != Qt::NoBrush )
      e.writePolygon( p, layerName, "SOLID", fc );
    if ( mPen.style() != Qt::NoPen )
      e.writePolyline( p[0], layerName, "CONTINUOUS", oc, outlineWidth );
    return true;
  }
  else if ( symbolName == "cross" && mPen.style() != Qt::NoPen )
  {
    QgsPolyline line( 2 );
    line[0] = t.map( QPointF( -halfWidth, 0 ) );
    line[1] = t.map( QPointF( halfWidth, 0 ) );
    e.writePolyline( line, layerName, "CONTINUOUS", oc, outlineWidth );

    line[0] = t.map( QPointF( 0, halfHeight ) );
    line[1] = t.map( QPointF( 0, -halfHeight ) );
    e.writePolyline( line, layerName, "CONTINUOUS", oc, outlineWidth );

    return true;
  }
  else if ( symbolName == "triangle" )
  {
    QgsPolygon p( 1 );
    p[0].resize( 4 );
    p[0][0] = QPointF( t.map( QPointF( -halfWidth, -halfHeight ) ) );
    p[0][1] = QPointF( t.map( QPointF( halfWidth, -halfHeight ) ) );
    p[0][2] = QPointF( t.map( QPointF( 0, halfHeight ) ) );
    p[0][3] = p[0][0];
    if ( mBrush.style() != Qt::NoBrush )
      e.writePolygon( p, layerName, "SOLID", fc );
    if ( mPen.style() != Qt::NoPen )
      e.writePolyline( p[0], layerName, "CONTINUOUS", oc, outlineWidth );
    return true;
  }

  return false; //soon...
}
Exemplo n.º 3
0
bool QgsEllipseSymbolLayerV2::writeDxf( QgsDxfExport& e, double mmMapUnitScaleFactor, const QString& layerName, const QgsSymbolV2RenderContext* context, const QgsFeature* f, const QPointF& shift ) const
{
  //width
  double symbolWidth = mSymbolWidth;

  if ( hasDataDefinedProperty( "width" ) ) //1. priority: data defined setting on symbol layer le
  {
    symbolWidth = evaluateDataDefinedProperty( "width", f, mSymbolWidth ).toDouble();
  }
  else if ( context->renderHints() & QgsSymbolV2::DataDefinedSizeScale ) //2. priority: is data defined size on symbol level
  {
    symbolWidth = mSize;
  }
  if ( mSymbolWidthUnit == QgsSymbolV2::MM )
  {
    symbolWidth *= mmMapUnitScaleFactor;
  }

  //height
  double symbolHeight = mSymbolHeight;
  if ( hasDataDefinedProperty( "height" ) ) //1. priority: data defined setting on symbol layer level
  {
    symbolHeight = evaluateDataDefinedProperty( "height", f, mSymbolHeight ).toDouble();
  }
  else if ( context->renderHints() & QgsSymbolV2::DataDefinedSizeScale ) //2. priority: is data defined size on symbol level
  {
    symbolHeight = mSize;
  }
  if ( mSymbolHeightUnit == QgsSymbolV2::MM )
  {
    symbolHeight *= mmMapUnitScaleFactor;
  }

  //outline width
  double outlineWidth = mOutlineWidth;

  if ( hasDataDefinedProperty( "outline_width" ) )
  {
    outlineWidth = evaluateDataDefinedProperty( "outline_width", f, mOutlineWidth ).toDouble();
  }
  if ( mOutlineWidthUnit == QgsSymbolV2::MM )
  {
    outlineWidth *= outlineWidth;
  }

  //fill color
  bool ok;
  QColor fc = mFillColor;
  if ( hasDataDefinedProperty( "fill_color" ) )
  {
    QString colorString = evaluateDataDefinedProperty( "fill_color", f, QVariant(), &ok ).toString();
    if ( ok )
      fc = QColor( colorString );
  }

  //outline color
  QColor oc = mOutlineColor;
  if ( hasDataDefinedProperty( "outline_color" ) )
  {
    QString colorString = evaluateDataDefinedProperty( "outline_color", f, QVariant(), &ok ).toString();
    if ( ok )
      oc = QColor( colorString );
  }

  //symbol name
  QString symbolName = mSymbolName;
  if ( hasDataDefinedProperty( "symbol_name" ) )
  {
    symbolName = evaluateDataDefinedProperty( "symbol_name", f, mSymbolName ).toString();
  }

  //offset
  double offsetX = 0;
  double offsetY = 0;
  markerOffset( *context, offsetX, offsetY );
  QPointF off( offsetX, offsetY );

  //priority for rotation: 1. data defined symbol level, 2. symbol layer rotation (mAngle)
  double rotation = 0.0;
  if ( hasDataDefinedProperty( "rotation" ) )
  {
    rotation = evaluateDataDefinedProperty( "rotation", f, mAngle ).toDouble();
  }
  else if ( !qgsDoubleNear( mAngle, 0.0 ) )
  {
    rotation = mAngle;
  }
  rotation = -rotation; //rotation in Qt is counterclockwise
  if ( rotation )
    off = _rotatedOffset( off, rotation );

  QTransform t;
  t.translate( shift.x() + offsetX, shift.y() + offsetY );

  if ( rotation != 0 )
    t.rotate( rotation );

  double halfWidth = symbolWidth / 2.0;
  double halfHeight = symbolHeight / 2.0;

  if ( symbolName == "circle" )
  {
    if ( qgsDoubleNear( halfWidth, halfHeight ) )
    {
      QPointF pt( t.map( QPointF( 0, 0 ) ) );
      e.writeFilledCircle( layerName, oc, pt, halfWidth );
    }
    else
    {
      QgsPolyline line;
      double stepsize = 2 * M_PI / 40;
      for ( int i = 0; i < 39; ++i )
      {
        double angle = stepsize * i;
        double x = halfWidth * cos( angle );
        double y = halfHeight * sin( angle );
        QPointF pt( t.map( QPointF( x, y ) ) );
        line.push_back( pt );
      }
      //close ellipse with first point
      line.push_back( line.at( 0 ) );
      e.writePolyline( line, layerName, "SOLID", oc, outlineWidth );
    }
  }
  else if ( symbolName == "rectangle" )
  {
    QPointF pt1( t.map( QPointF( -halfWidth, -halfHeight ) ) );
    QPointF pt2( t.map( QPointF( halfWidth, -halfHeight ) ) );
    QPointF pt3( t.map( QPointF( -halfWidth, halfHeight ) ) );
    QPointF pt4( t.map( QPointF( halfWidth, halfHeight ) ) );
    e.writeSolid( layerName, fc, pt1, pt2, pt3, pt4 );
    return true;
  }
  else if ( symbolName == "cross" )
  {
    QgsPolyline line1( 2 );
    QPointF pt1( t.map( QPointF( -halfWidth, 0 ) ) );
    QPointF pt2( t.map( QPointF( halfWidth, 0 ) ) );
    line1[0] = pt1;
    line1[1] = pt2;
    e.writePolyline( line1, layerName, "CONTINUOUS", oc, outlineWidth );
    QgsPolyline line2( 2 );
    QPointF pt3( t.map( QPointF( 0, halfHeight ) ) );
    QPointF pt4( t.map( QPointF( 0, -halfHeight ) ) );
    line2[0] = pt3;
    line2[1] = pt4;
    e.writePolyline( line2, layerName, "CONTINUOUS", oc, outlineWidth );
    return true;
  }
  else if ( symbolName == "triangle" )
  {
    QPointF pt1( t.map( QPointF( -halfWidth, -halfHeight ) ) );
    QPointF pt2( t.map( QPointF( halfWidth, -halfHeight ) ) );
    QPointF pt3( t.map( QPointF( 0, halfHeight ) ) );
    QPointF pt4( t.map( QPointF( 0, halfHeight ) ) );
    e.writeSolid( layerName, fc, pt1, pt2, pt3, pt4 );
    return true;
  }

  return false; //soon...
}