QgsCoordinateSequence QgsCurve::coordinateSequence() const
{
QgsCoordinateSequence sequence;
sequence.append( QgsRingSequence() );
sequence.back().append( QgsPointSequence() );
points( sequence.back().back() );
return sequence;
}
QgsCoordinateSequence QgsCurve::coordinateSequence() const
{
if ( !mCoordinateSequence.isEmpty() )
return mCoordinateSequence;
mCoordinateSequence.append( QgsRingSequence() );
mCoordinateSequence.back().append( QgsPointSequence() );
points( mCoordinateSequence.back().back() );
return mCoordinateSequence;
}
QgsCoordinateSequence QgsCurvePolygon::coordinateSequence() const
{
QgsCoordinateSequence sequence;
sequence.append( QgsRingSequence() );
if ( mExteriorRing )
{
sequence.back().append( QgsPointSequence() );
mExteriorRing->points( sequence.back().back() );
}
for ( const QgsCurve *ring : mInteriorRings )
{
sequence.back().append( QgsPointSequence() );
ring->points( sequence.back().back() );
}
return sequence;
}
bool QgsEllipseSymbolLayer::writeDxf( QgsDxfExport &e, double mmMapUnitScaleFactor, const QString &layerName, QgsSymbolRenderContext &context, QPointF shift ) const
{
//width
double symbolWidth = mSymbolWidth;
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyWidth ) ) //1. priority: data defined setting on symbol layer le
{
context.setOriginalValueVariable( mSymbolWidth );
symbolWidth = mDataDefinedProperties.valueAsDouble( QgsSymbolLayer::PropertyWidth, context.renderContext().expressionContext(), mSymbolWidth );
}
if ( mSymbolWidthUnit == QgsUnitTypes::RenderMillimeters )
{
symbolWidth *= mmMapUnitScaleFactor;
}
//height
double symbolHeight = mSymbolHeight;
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyHeight ) ) //1. priority: data defined setting on symbol layer level
{
context.setOriginalValueVariable( mSymbolHeight );
symbolWidth = mDataDefinedProperties.valueAsDouble( QgsSymbolLayer::PropertyHeight, context.renderContext().expressionContext(), mSymbolHeight );
}
if ( mSymbolHeightUnit == QgsUnitTypes::RenderMillimeters )
{
symbolHeight *= mmMapUnitScaleFactor;
}
//stroke width
double strokeWidth = mStrokeWidth;
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyStrokeWidth ) )
{
context.setOriginalValueVariable( mStrokeWidth );
strokeWidth = mDataDefinedProperties.valueAsDouble( QgsSymbolLayer::PropertyStrokeWidth, context.renderContext().expressionContext(), mStrokeWidth );
}
if ( mStrokeWidthUnit == QgsUnitTypes::RenderMillimeters )
{
strokeWidth *= strokeWidth;
}
//fill color
QColor fc = mColor;
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyFillColor ) )
{
context.setOriginalValueVariable( QgsSymbolLayerUtils::encodeColor( mColor ) );
fc = mDataDefinedProperties.valueAsColor( QgsSymbolLayer::PropertyFillColor, context.renderContext().expressionContext(), mColor );
}
//stroke color
QColor oc = mStrokeColor;
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyStrokeColor ) )
{
context.setOriginalValueVariable( QgsSymbolLayerUtils::encodeColor( mStrokeColor ) );
oc = mDataDefinedProperties.valueAsColor( QgsSymbolLayer::PropertyStrokeColor, context.renderContext().expressionContext(), mStrokeColor );
}
//symbol name
QString symbolName = mSymbolName;
if ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyName ) )
{
context.setOriginalValueVariable( mSymbolName );
symbolName = mDataDefinedProperties.valueAsString( QgsSymbolLayer::PropertyName, context.renderContext().expressionContext(), mSymbolName );
}
//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 ( mDataDefinedProperties.isActive( QgsSymbolLayer::PropertyAngle ) )
{
context.setOriginalValueVariable( mAngle );
rotation = mDataDefinedProperties.valueAsDouble( QgsSymbolLayer::PropertyAngle, context.renderContext().expressionContext(), mAngle ) + 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 ( !qgsDoubleNear( rotation, 0.0 ) )
t.rotate( rotation );
double halfWidth = symbolWidth / 2.0;
double halfHeight = symbolHeight / 2.0;
if ( symbolName == QLatin1String( "circle" ) )
{
if ( qgsDoubleNear( halfWidth, halfHeight ) )
{
QgsPoint pt( t.map( QPointF( 0, 0 ) ) );
e.writeFilledCircle( layerName, oc, pt, halfWidth );
}
else
{
QgsPointSequence line;
double stepsize = 2 * M_PI / 40;
for ( int i = 0; i < 39; ++i )
{
double angle = stepsize * i;
double x = halfWidth * std::cos( angle );
double y = halfHeight * std::sin( angle );
line << QgsPoint( t.map( QPointF( x, y ) ) );
}
//close ellipse with first point
line << line.at( 0 );
if ( mBrush.style() != Qt::NoBrush )
e.writePolygon( QgsRingSequence() << line, layerName, QStringLiteral( "SOLID" ), fc );
if ( mPen.style() != Qt::NoPen )
e.writePolyline( line, layerName, QStringLiteral( "CONTINUOUS" ), oc, strokeWidth );
}
}
else if ( symbolName == QLatin1String( "rectangle" ) )
{
QgsPointSequence p;
p << QgsPoint( t.map( QPointF( -halfWidth, -halfHeight ) ) )
<< QgsPoint( t.map( QPointF( halfWidth, -halfHeight ) ) )
<< QgsPoint( t.map( QPointF( halfWidth, halfHeight ) ) )
<< QgsPoint( t.map( QPointF( -halfWidth, halfHeight ) ) );
p << p[0];
if ( mBrush.style() != Qt::NoBrush )
e.writePolygon( QgsRingSequence() << p, layerName, QStringLiteral( "SOLID" ), fc );
if ( mPen.style() != Qt::NoPen )
e.writePolyline( p, layerName, QStringLiteral( "CONTINUOUS" ), oc, strokeWidth );
return true;
}
else if ( symbolName == QLatin1String( "cross" ) && mPen.style() != Qt::NoPen )
{
e.writePolyline( QgsPointSequence()
<< QgsPoint( t.map( QPointF( -halfWidth, 0 ) ) )
<< QgsPoint( t.map( QPointF( halfWidth, 0 ) ) ),
layerName, QStringLiteral( "CONTINUOUS" ), oc, strokeWidth );
e.writePolyline( QgsPointSequence()
<< QgsPoint( t.map( QPointF( 0, halfHeight ) ) )
<< QgsPoint( t.map( QPointF( 0, -halfHeight ) ) ),
layerName, QStringLiteral( "CONTINUOUS" ), oc, strokeWidth );
return true;
}
else if ( symbolName == QLatin1String( "triangle" ) )
{
QgsPointSequence p;
p << QgsPoint( t.map( QPointF( -halfWidth, -halfHeight ) ) )
<< QgsPoint( t.map( QPointF( halfWidth, -halfHeight ) ) )
<< QgsPoint( t.map( QPointF( 0, halfHeight ) ) );
p << p[0];
if ( mBrush.style() != Qt::NoBrush )
e.writePolygon( QgsRingSequence() << p, layerName, QStringLiteral( "SOLID" ), fc );
if ( mPen.style() != Qt::NoPen )
e.writePolyline( p, layerName, QStringLiteral( "CONTINUOUS" ), oc, strokeWidth );
return true;
}
return false; //soon...
}
