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[FIXED] #11572 ilter Legend By Map Content doesn't maintain point dis…

…placement legend

For point vector layer render with 'displacement point', when 'Filter
 Legend By Map Content' is activated, the legend is not rendered even
 if it has to be.

It's due to QgsPointDisplacementRenderer that embedded the real

The solution proposed in this patch is to get the embedded renderer
 for QgsPointDisplacementRenderer.
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rldhont committed Nov 7, 2014
1 parent fd1ced7 commit 47a16184c624dc7086dcb2050acad7d8f56b069c
Showing with 7 additions and 0 deletions.
  1. +7 −0 src/core/qgsmaphittest.cpp
@@ -3,6 +3,7 @@
#include "qgsmaplayerregistry.h"
#include "qgsrendercontext.h"
#include "qgsrendererv2.h"
#include "qgspointdisplacementrenderer.h"
#include "qgsvectorlayer.h"

@@ -52,6 +53,12 @@ void QgsMapHitTest::run()
void QgsMapHitTest::runHitTestLayer( QgsVectorLayer* vl, SymbolV2Set& usedSymbols, QgsRenderContext& context )
QgsFeatureRendererV2* r = vl->rendererV2();

// Point displacement case
QgsPointDisplacementRenderer* pdr = dynamic_cast<QgsPointDisplacementRenderer*>( r );
if ( pdr )
r = pdr->embeddedRenderer();

bool moreSymbolsPerFeature = r->capabilities() & QgsFeatureRendererV2::MoreSymbolsPerFeature;
r->startRender( context, vl->pendingFields() );
QgsFeature f;

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