void QgsFillSymbolV2::renderPolygon( const QPolygonF& points, QList<QPolygonF>* rings, const QgsFeature* f, QgsRenderContext& context, int layer, bool selected )
{
QgsSymbolV2RenderContext symbolContext( context, outputUnit(), mAlpha, selected, mRenderHints, f, 0, mapUnitScale() );
if ( layer != -1 )
{
if ( layer >= 0 && layer < mLayers.count() )
{
QgsSymbolV2::SymbolType layertype = mLayers.at( layer )->type();
if ( layertype == QgsSymbolV2::Fill )
(( QgsFillSymbolLayerV2* ) mLayers[layer] )->renderPolygon( points, rings, symbolContext );
else if ( layertype == QgsSymbolV2::Line )
(( QgsLineSymbolLayerV2* ) mLayers[layer] )->renderPolygonOutline( points, rings, symbolContext );
}
return;
}
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
{
QgsSymbolV2::SymbolType layertype = ( *it )->type();
if ( layertype == QgsSymbolV2::Fill )
{
QgsFillSymbolLayerV2* layer = ( QgsFillSymbolLayerV2* ) * it;
layer->renderPolygon( points, rings, symbolContext );
}
else if ( layertype == QgsSymbolV2::Line )
{
QgsLineSymbolLayerV2* layer = ( QgsLineSymbolLayerV2* ) * it;
layer->renderPolygonOutline( points, rings, symbolContext );
}
}
}
void QgsLineSymbolV2::setDataDefinedWidth( const QgsDataDefined& dd )
{
const double symbolWidth = width();
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
{
QgsLineSymbolLayerV2* layer = static_cast<QgsLineSymbolLayerV2*>( *it );
if ( dd.hasDefaultValues() )
{
layer->removeDataDefinedProperty( "width" );
layer->removeDataDefinedProperty( "offset" );
}
else
{
if ( symbolWidth == 0 || qgsDoubleNear( layer->width(), symbolWidth ) )
{
layer->setDataDefinedProperty( "width", new QgsDataDefined( dd ) );
}
else
{
layer->setDataDefinedProperty( "width", scaleWholeSymbol( layer->width() / symbolWidth, dd ) );
}
if ( layer->offset() )
{
layer->setDataDefinedProperty( "offset", scaleWholeSymbol( layer->offset() / symbolWidth, dd ) );
}
}
}
}
void QgsLineSymbolV2::renderPolyline( const QPolygonF& points, const QgsFeature* f, QgsRenderContext& context, int layer, bool selected )
{
QgsSymbolV2RenderContext symbolContext( context, outputUnit(), mAlpha, selected, mRenderHints, f );
if ( layer != -1 )
{
if ( layer >= 0 && layer < mLayers.count() )
(( QgsLineSymbolLayerV2* ) mLayers[layer] )->renderPolyline( points, symbolContext );
return;
}
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
{
QgsLineSymbolLayerV2* layer = ( QgsLineSymbolLayerV2* ) * it;
layer->renderPolyline( points, symbolContext );
}
}
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 );
}
}
}
void QgsSymbolV2::drawPreviewIcon( QPainter* painter, QSize size )
{
QgsRenderContext context = QgsSymbolLayerV2Utils::createRenderContext( painter );
QgsSymbolV2RenderContext symbolContext( context, outputUnit(), mAlpha, false, mRenderHints );
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
{
if ( mType == Fill && ( *it )->type() == Line )
{
// line symbol layer would normally draw just a line
// so we override this case to force it to draw a polygon outline
QgsLineSymbolLayerV2* lsl = ( QgsLineSymbolLayerV2* ) * it;
// from QgsFillSymbolLayerV2::drawPreviewIcon()
QPolygonF poly = QRectF( QPointF( 0, 0 ), QPointF( size.width() - 1, size.height() - 1 ) );
lsl->startRender( symbolContext );
lsl->renderPolygonOutline( poly, NULL, symbolContext );
lsl->stopRender( symbolContext );
}
else
( *it )->drawPreviewIcon( symbolContext, size );
}
}
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 );
}
}
QgsSymbol* QgsSymbologyV2Conversion::symbolV2toV1( QgsSymbolV2* s )
{
if ( s == NULL || s->symbolLayerCount() == 0 )
return NULL;
// we will use only the first symbol layer
QgsSymbolLayerV2* sl = s->symbolLayer( 0 );
switch ( sl->type() )
{
case QgsSymbolV2::Marker:
{
QgsMarkerSymbolLayerV2* msl = static_cast<QgsMarkerSymbolLayerV2*>( sl );
QgsSymbol* sOld = new QgsSymbol( QGis::Point );
sOld->setFillColor( sl->color() );
sOld->setFillStyle( Qt::SolidPattern );
sOld->setPointSize( msl->size() );
if ( sl->layerType() == "SimpleMarker" )
{
QgsSimpleMarkerSymbolLayerV2* smsl = static_cast<QgsSimpleMarkerSymbolLayerV2*>( sl );
sOld->setColor( smsl->borderColor() );
sOld->setNamedPointSymbol( "hard:" + smsl->name() );
}
else if ( sl->layerType() == "SvgMarker" )
{
QgsSvgMarkerSymbolLayerV2* smsl = static_cast<QgsSvgMarkerSymbolLayerV2*>( sl );
sOld->setNamedPointSymbol( "svg:" + smsl->path() );
}
return sOld;
}
break;
case QgsSymbolV2::Line:
{
QgsLineSymbolLayerV2* lsl = static_cast<QgsLineSymbolLayerV2*>( sl );
QgsSymbol* sOld = new QgsSymbol( QGis::Line );
sOld->setColor( sl->color() );
sOld->setLineWidth( lsl->width() );
if ( sl->layerType() == "SimpleLine" )
{
// add specific settings
QgsSimpleLineSymbolLayerV2* slsl = static_cast<QgsSimpleLineSymbolLayerV2*>( sl );
sOld->setLineStyle( slsl->penStyle() );
}
return sOld;
}
case QgsSymbolV2::Fill:
{
QgsSymbol* sOld = new QgsSymbol( QGis::Polygon );
sOld->setFillColor( sl->color() );
if ( sl->layerType() == "SimpleFill" )
{
// add specifc settings
QgsSimpleFillSymbolLayerV2* sfsl = static_cast<QgsSimpleFillSymbolLayerV2*>( sl );
sOld->setColor( sfsl->borderColor() );
sOld->setLineWidth( sfsl->borderWidth() );
sOld->setLineStyle( sfsl->borderStyle() );
sOld->setFillStyle( sfsl->brushStyle() );
}
return sOld;
}
}
return NULL; // should never get here
}
