qgsgeometrycache.h

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#ifndef QGSGEOMETRYCACHE_H
#define QGSGEOMETRYCACHE_H

#include "qgsfeature.h"

#include "qgsvectorlayer.h"

class CORE_EXPORT QgsGeometryCache
{
  public:
    QgsGeometryCache( QgsVectorLayer* layer );
    ~QgsGeometryCache();

    inline QgsGeometryMap& cachedGeometries() { return mCachedGeometries; }

    bool geometry( QgsFeatureId fid, QgsGeometry& geometry );

    void cacheGeometry( QgsFeatureId fid, const QgsGeometry& geom );

    void removeGeometry( QgsFeatureId fid ) { mCachedGeometries.remove( fid ); }


    void deleteCachedGeometries();

    void setCachedGeometriesRect( const QgsRectangle& extent ) { mCachedGeometriesRect = extent; }
    const QgsRectangle& cachedGeometriesRect() { return mCachedGeometriesRect; }

  protected:

    inline QgsVectorLayerEditBuffer* editBuffer() { return L->editBuffer(); }

    QgsVectorLayer* L;

    QgsGeometryMap mCachedGeometries;

    QgsRectangle mCachedGeometriesRect;

};

#endif // QGSGEOMETRYCACHE_H