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 QgsSymbolV2::startRender( QgsRenderContext& context, const QgsVectorLayer* layer )
{
QgsSymbolV2RenderContext symbolContext( context, outputUnit(), mAlpha, false, mRenderHints );
symbolContext.setLayer( layer );
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
( *it )->startRender( symbolContext );
}
void QgsSymbolV2::startRender( QgsRenderContext& context, const QgsFields* fields )
{
QgsSymbolV2RenderContext symbolContext( context, outputUnit(), mAlpha, false, mRenderHints, 0, fields, mapUnitScale() );
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
( *it )->startRender( symbolContext );
}
void QgsSymbolV2::stopRender( QgsRenderContext& context )
{
QgsSymbolV2RenderContext symbolContext( context, outputUnit(), mAlpha, false, mRenderHints, 0, 0, mapUnitScale() );
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
( *it )->stopRender( symbolContext );
mLayer = NULL;
}
void QgsSymbolV2::toSld( QDomDocument &doc, QDomElement &element, QgsStringMap props ) const
{
props[ "alpha" ] = QString::number( alpha() );
double scaleFactor = 1.0;
props[ "uom" ] = QgsSymbolLayerV2Utils::encodeSldUom( outputUnit(), &scaleFactor );
props[ "uomScale" ] = scaleFactor != 1 ? QString::number( scaleFactor ) : "";
for ( QgsSymbolLayerV2List::const_iterator it = mLayers.begin(); it != mLayers.end(); ++it )
{
( *it )->toSld( doc, element, props );
}
}
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 QgsMarkerSymbolV2::renderPoint( const QPointF& point, 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() )
{
renderPointUsingLayer(( QgsMarkerSymbolLayerV2* ) mLayers[layer], point, symbolContext );
}
return;
}
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
{
renderPointUsingLayer(( QgsMarkerSymbolLayerV2* ) * it, point, symbolContext );
}
}
void QgsLineSymbolV2::renderPolyline( const QPolygonF& points, const QgsFeature* f, QgsRenderContext& context, int layer, bool selected )
{
//save old painter
QPainter* renderPainter = context.painter();
QgsSymbolV2RenderContext symbolContext( context, outputUnit(), mAlpha, selected, mRenderHints, f, 0, mapUnitScale() );
if ( layer != -1 )
{
if ( layer >= 0 && layer < mLayers.count() )
{
renderPolylineUsingLayer(( QgsLineSymbolLayerV2* ) mLayers[layer], points, symbolContext );
}
return;
}
for ( QgsSymbolLayerV2List::iterator it = mLayers.begin(); it != mLayers.end(); ++it )
{
renderPolylineUsingLayer(( QgsLineSymbolLayerV2* ) * it, points, symbolContext );
}
context.setPainter( renderPainter );
}
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 );
}
}