Merge pull request #8705 from arnaud-morvan/server_diagrams_filter

Apply featureFilterProvider in QgsVectorLayerDiagramProvider

python/core/auto_generated/qgsmaprendererjob.sip.in

@@ -183,6 +183,7 @@ emitted when asynchronous rendering is finished (or canceled).
 
 
 
+
 };
 
 

src/core/qgsmaprenderercustompainterjob.cpp

@@ -295,12 +295,12 @@ void QgsMapRendererCustomPainterJob::doRender()
         mLabelJob.img->fill( 0 );
         painter.begin( mLabelJob.img );
         mLabelJob.context.setPainter( &painter );
-        drawLabeling( mSettings, mLabelJob.context, mLabelingEngineV2.get(), &painter );
+        drawLabeling( mLabelJob.context, mLabelingEngineV2.get(), &painter );
         painter.end();
       }
       else
       {
-        drawLabeling( mSettings, mLabelJob.context, mLabelingEngineV2.get(), mPainter );
+        drawLabeling( mLabelJob.context, mLabelingEngineV2.get(), mPainter );
       }
 
       mLabelJob.complete = true;
@@ -318,8 +318,7 @@ void QgsMapRendererCustomPainterJob::doRender()
   QgsDebugMsgLevel( "Rendering completed in (seconds): " + QString( "%1" ).arg( renderTime.elapsed() / 1000.0 ), 2 );
 }
 
-
+void QgsMapRendererJob::drawLabeling( QgsRenderContext &renderContext, QgsLabelingEngine *labelingEngine2, QPainter *painter )
-void QgsMapRendererJob::drawLabeling( const QgsMapSettings &settings, QgsRenderContext &renderContext, QgsLabelingEngine *labelingEngine2, QPainter *painter )
 {
   QgsDebugMsgLevel( QStringLiteral( "Draw labeling start" ), 5 );
 
@@ -329,22 +328,22 @@ void QgsMapRendererJob::drawLabeling( const QgsMapSettings &settings, QgsRenderC
   // Reset the composition mode before rendering the labels
   painter->setCompositionMode( QPainter::CompositionMode_SourceOver );
 
-  // TODO: this is not ideal - we could override rendering stopped flag that has been set in meanwhile
-  renderContext = QgsRenderContext::fromMapSettings( settings );
   renderContext.setPainter( painter );
 
   if ( labelingEngine2 )
   {
-    // set correct extent
-    renderContext.setExtent( settings.visibleExtent() );
-    renderContext.setCoordinateTransform( QgsCoordinateTransform() );
-
     labelingEngine2->run( renderContext );
   }
 
   QgsDebugMsg( QStringLiteral( "Draw labeling took (seconds): %1" ).arg( t.elapsed() / 1000. ) );
 }
 
+void QgsMapRendererJob::drawLabeling( const QgsMapSettings &settings, QgsRenderContext &renderContext, QgsLabelingEngine *labelingEngine2, QPainter *painter )
+{
+  Q_UNUSED( settings );
+
+  drawLabeling( renderContext, labelingEngine2, painter );
+}
 
 bool QgsMapRendererJob::needTemporaryImage( QgsMapLayer *ml )
 {

src/core/qgsmaprendererjob.cpp

@@ -358,6 +358,7 @@ LabelRenderJob QgsMapRendererJob::prepareLabelingJob( QPainter *painter, QgsLabe
   job.context.setPainter( painter );
   job.context.setLabelingEngine( labelingEngine2 );
   job.context.setExtent( mSettings.visibleExtent() );
+  job.context.setFeatureFilterProvider( mFeatureFilterProvider );
 
   // if we can use the cache, let's do it and avoid rendering!
   bool hasCache = canUseLabelCache && mCache && mCache->hasCacheImage( LABEL_CACHE_ID );

src/core/qgsmaprendererjob.h

@@ -286,8 +286,14 @@ class CORE_EXPORT QgsMapRendererJob : public QObject
      */
     void cleanupLabelJob( LabelRenderJob &job ) SIP_SKIP;
 
+    /**
+     * \note not available in Python bindings
+     * \deprecated Will be removed in QGIS 4.0
+     */
+    Q_DECL_DEPRECATED static void drawLabeling( const QgsMapSettings &settings, QgsRenderContext &renderContext, QgsLabelingEngine *labelingEngine2, QPainter *painter ) SIP_SKIP;
+
     //! \note not available in Python bindings
-    static void drawLabeling( const QgsMapSettings &settings, QgsRenderContext &renderContext, QgsLabelingEngine *labelingEngine2, QPainter *painter ) SIP_SKIP;
+    static void drawLabeling( QgsRenderContext &renderContext, QgsLabelingEngine *labelingEngine2, QPainter *painter ) SIP_SKIP;
 
   private:
 

src/core/qgsmaprendererparalleljob.cpp

@@ -297,7 +297,7 @@ void QgsMapRendererParallelJob::renderLabelsStatic( QgsMapRendererParallelJob *s
     // draw the labels!
     try
     {
-      drawLabeling( self->mSettings, job.context, self->mLabelingEngineV2.get(), &painter );
+      drawLabeling( job.context, self->mLabelingEngineV2.get(), &painter );
     }
     catch ( QgsException &e )
     {

src/core/qgsvectorlayerdiagramprovider.cpp

@@ -78,9 +78,13 @@ QList<QgsLabelFeature *> QgsVectorLayerDiagramProvider::labelFeatures( QgsRender
   QgsFeatureRequest request;
   request.setFilterRect( layerExtent );
   request.setSubsetOfAttributes( attributeNames, mFields );
+  const QgsFeatureFilterProvider *featureFilterProvider = context.featureFilterProvider();
+  if ( featureFilterProvider )
+  {
+    featureFilterProvider->filterFeatures( qobject_cast<QgsVectorLayer *>( mLayer ), request );
+  }
   QgsFeatureIterator fit = mSource->getFeatures( request );
 
-
   QgsFeature fet;
   while ( fit.nextFeature( fet ) )
   {