/usr/include/qgis/qgspalobjectpositionmanager.h is in libqgis-dev 1.7.4+1.7.5~20120320-1.1+b1.
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qgspalobjectpositionmanager.h - description
---------------------------------
begin : October 2008
copyright : (C) 2008 by Marco Hugentobler
email : marco dot hugentobler at karto dot baug dot ethz dot ch
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSPALOBJECTPOSITIONMANAGER_H
#define QGSPALOBJECTPOSITIONMANAGER_H
#include "qgsoverlayobjectpositionmanager.h"
#include "pal.h"
class QgsPALGeometry;
/**A class that uses the PAL library for overlay object placement
* \note This class has been added in version 1.1
*/
class QgsPALObjectPositionManager: public QgsOverlayObjectPositionManager
{
public:
QgsPALObjectPositionManager();
~QgsPALObjectPositionManager();
void addLayer( QgsVectorLayer* vl, QList<QgsVectorOverlay*>& overlays );
void findObjectPositions( const QgsRenderContext& renderContext, QGis::UnitType unitType );
void removeLayers();
/**Sets algorithm used for object placements. Possibilities are:
Chain, Popmusic tabu chain, Popmusic tabu, Popmusic chain*/
void setPlacementAlgorithm( const QString& algorithmName );
private:
pal::Pal mPositionEngine;
int mNumberOfLayers;
/**Internal storage of the pal geometries between addLayer and findObjectPositions operations*/
QList<QgsPALGeometry*> mPALGeometries;
void deletePALGeometries();
};
#endif
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