qgsmaphittest.h

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#ifndef QGSMAPHITTEST_H
#define QGSMAPHITTEST_H

#include "qgsmapsettings.h"

#include <QSet>

class QgsRenderContext;
class QgsSymbolV2;
class QgsVectorLayer;

class CORE_EXPORT QgsMapHitTest
{
  public:
    QgsMapHitTest( const QgsMapSettings& settings );

    void run();

    bool symbolVisible( QgsSymbolV2* symbol, QgsVectorLayer* layer ) const;

  protected:

    typedef QSet<QString> SymbolV2Set;
    typedef QMap<QgsVectorLayer*, SymbolV2Set> HitTest;

    void runHitTestLayer( QgsVectorLayer* vl, SymbolV2Set& usedSymbols, QgsRenderContext& context );

    QgsMapSettings mSettings;
    HitTest mHitTest;

};

#endif // QGSMAPHITTEST_H