qgsmapclippingutils.h

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/***************************************************************************
  qgsmapclippingutils.h
  --------------------------------------
  Date                 : June 2020
  Copyright            : (C) 2020 by Nyall Dawson
  Email                : nyall dot dawson at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   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 QGSMAPCLIPPINGUTILS_H
#define QGSMAPCLIPPINGUTILS_H
 
#include "qgis.h"
#include "qgis_core.h"
#include "qgis_sip.h"
 
#include <QList>
#include <QPainterPath>
 
class QgsRenderContext;
class QgsMapLayer;
class QgsGeometry;
class QgsMapClippingRegion;

class CORE_EXPORT QgsMapClippingUtils
{
  public:

    static QList< QgsMapClippingRegion > collectClippingRegionsForLayer( const QgsRenderContext &context, const QgsMapLayer *layer );

    static QgsGeometry calculateFeatureRequestGeometry( const QList< QgsMapClippingRegion > &regions, const QgsRenderContext &context, bool &shouldFilter );

    static QgsGeometry calculateFeatureIntersectionGeometry( const QList< QgsMapClippingRegion > &regions, const QgsRenderContext &context, bool &shouldClip );

    static QPainterPath calculatePainterClipRegion( const QList< QgsMapClippingRegion > &regions, const QgsRenderContext &context, Qgis::LayerType layerType, bool &shouldClip );

    static QgsGeometry calculateLabelIntersectionGeometry( const QList< QgsMapClippingRegion > &regions, const QgsRenderContext &context, bool &shouldClip );
};
 
#endif // QGSMAPCLIPPINGUTILS_H