QgsVectorLayerRenderer::QgsVectorLayerRenderer( QgsVectorLayer *layer, QgsRenderContext &context )
: QgsMapLayerRenderer( layer->id() )
, mContext( context )
, mInterruptionChecker( qgis::make_unique< QgsVectorLayerRendererInterruptionChecker >( context ) )
, mLayer( layer )
, mFields( layer->fields() )
, mLabeling( false )
, mDiagrams( false )
{
mSource = new QgsVectorLayerFeatureSource( layer );
mRenderer = layer->renderer() ? layer->renderer()->clone() : nullptr;
mSelectedFeatureIds = layer->selectedFeatureIds();
mDrawVertexMarkers = nullptr != layer->editBuffer();
mGeometryType = layer->geometryType();
mFeatureBlendMode = layer->featureBlendMode();
mSimplifyMethod = layer->simplifyMethod();
mSimplifyGeometry = layer->simplifyDrawingCanbeApplied( mContext, QgsVectorSimplifyMethod::GeometrySimplification );
QgsSettings settings;
mVertexMarkerOnlyForSelection = settings.value( QStringLiteral( "qgis/digitizing/marker_only_for_selected" ), true ).toBool();
QString markerTypeString = settings.value( QStringLiteral( "qgis/digitizing/marker_style" ), "Cross" ).toString();
if ( markerTypeString == QLatin1String( "Cross" ) )
{
mVertexMarkerStyle = QgsSymbolLayerUtils::Cross;
}
else if ( markerTypeString == QLatin1String( "SemiTransparentCircle" ) )
{
mVertexMarkerStyle = QgsSymbolLayerUtils::SemiTransparentCircle;
}
else
{
mVertexMarkerStyle = QgsSymbolLayerUtils::NoMarker;
}
mVertexMarkerSize = settings.value( QStringLiteral( "qgis/digitizing/marker_size_mm" ), 2.0 ).toDouble();
if ( !mRenderer )
return;
QgsDebugMsgLevel( "rendering v2:\n " + mRenderer->dump(), 2 );
if ( mDrawVertexMarkers )
{
// set editing vertex markers style
mRenderer->setVertexMarkerAppearance( mVertexMarkerStyle, mVertexMarkerSize );
}
mContext.expressionContext() << QgsExpressionContextUtils::layerScope( layer );
mAttrNames = mRenderer->usedAttributes( context );
//register label and diagram layer to the labeling engine
prepareLabeling( layer, mAttrNames );
prepareDiagrams( layer, mAttrNames );
}
QgsVectorLayerRenderer::QgsVectorLayerRenderer( QgsVectorLayer* layer, QgsRenderContext& context )
: QgsMapLayerRenderer( layer->id() )
, mContext( context )
, mLayer( layer )
, mFields( layer->fields() )
, mRendererV2( nullptr )
, mCache( nullptr )
, mLabeling( false )
, mDiagrams( false )
, mLabelProvider( nullptr )
, mDiagramProvider( nullptr )
, mLayerTransparency( 0 )
{
mSource = new QgsVectorLayerFeatureSource( layer );
mRendererV2 = layer->rendererV2() ? layer->rendererV2()->clone() : nullptr;
mSelectedFeatureIds = layer->selectedFeaturesIds();
mDrawVertexMarkers = nullptr != layer->editBuffer();
mGeometryType = layer->geometryType();
mLayerTransparency = layer->layerTransparency();
mFeatureBlendMode = layer->featureBlendMode();
mSimplifyMethod = layer->simplifyMethod();
mSimplifyGeometry = layer->simplifyDrawingCanbeApplied( mContext, QgsVectorSimplifyMethod::GeometrySimplification );
QSettings settings;
mVertexMarkerOnlyForSelection = settings.value( "/qgis/digitizing/marker_only_for_selected", false ).toBool();
QString markerTypeString = settings.value( "/qgis/digitizing/marker_style", "Cross" ).toString();
if ( markerTypeString == "Cross" )
{
mVertexMarkerStyle = QgsVectorLayer::Cross;
}
else if ( markerTypeString == "SemiTransparentCircle" )
{
mVertexMarkerStyle = QgsVectorLayer::SemiTransparentCircle;
}
else
{
mVertexMarkerStyle = QgsVectorLayer::NoMarker;
}
mVertexMarkerSize = settings.value( "/qgis/digitizing/marker_size", 3 ).toInt();
if ( !mRendererV2 )
return;
QgsDebugMsg( "rendering v2:\n " + mRendererV2->dump() );
if ( mDrawVertexMarkers )
{
// set editing vertex markers style
mRendererV2->setVertexMarkerAppearance( mVertexMarkerStyle, mVertexMarkerSize );
}
mContext.expressionContext() << QgsExpressionContextUtils::layerScope( layer );
mAttrNames = mRendererV2->usedAttributes();
//register label and diagram layer to the labeling engine
prepareLabeling( layer, mAttrNames );
prepareDiagrams( layer, mAttrNames );
}
