Merge pull request #1086 from ahuarte47/Issue_9360

fix bug whole layer not rendered (when simplify geometry activated; fixes #9360)

Author: jef-n

src/core/qgsvectorlayer.cpp

@@ -728,8 +728,8 @@ bool QgsVectorLayer::draw( QgsRenderContext& rendererContext )
       double sourceHypothenuse = sqrt( minimumSrcPoint.sqrDist( maximumSrcPoint ) );
       double targetHypothenuse = sqrt( minimumDstPoint.sqrDist( maximumDstPoint ) );
 
-      if ( sourceHypothenuse != 0 )
-        map2pixelTol *= targetHypothenuse / sourceHypothenuse;
+      if ( targetHypothenuse != 0 )
+        map2pixelTol *= ( sourceHypothenuse / targetHypothenuse );
     }
 
     QgsSimplifyMethod simplifyMethod;
@@ -1258,7 +1258,7 @@ bool QgsVectorLayer::setSubsetString( QString subset )
 
 bool QgsVectorLayer::simplifyDrawingCanbeApplied( int simplifyHint ) const
 {
-  return mDataProvider && !mEditBuffer && ( mSimplifyMethod.simplifyHints() & simplifyHint ) && ( !mCurrentRendererContext || mCurrentRendererContext->useRenderingOptimization() );
+  return mDataProvider && !mEditBuffer && ( hasGeometryType() && geometryType() != QGis::Point ) && ( mSimplifyMethod.simplifyHints() & simplifyHint ) && ( !mCurrentRendererContext || mCurrentRendererContext->useRenderingOptimization() );
 }
 
 QgsFeatureIterator QgsVectorLayer::getFeatures( const QgsFeatureRequest& request )

src/core/qgsvectorlayerfeatureiterator.cpp

@@ -455,7 +455,7 @@ bool QgsVectorLayerFeatureIterator::prepareSimplification( const QgsSimplifyMeth
   mEditGeometrySimplifier = NULL;
 
   // setup simplification for edited geometries to fetch
-  if ( !( mRequest.flags() & QgsFeatureRequest::NoGeometry ) && simplifyMethod.methodType() != QgsSimplifyMethod::NoSimplification )
+  if ( !( mRequest.flags() & QgsFeatureRequest::NoGeometry ) && simplifyMethod.methodType() != QgsSimplifyMethod::NoSimplification && L->hasGeometryType() && L->geometryType() != QGis::Point )
   {
     mEditGeometrySimplifier = QgsSimplifyMethod::createGeometrySimplifier( simplifyMethod );
     return mEditGeometrySimplifier != NULL;