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 /* This file is part of the KDE project
  * Copyright (C) 2011 Jan Hambrecht <jaham@gmx.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef KOCLIPPATH_H
 #define KOCLIPPATH_H
 
 #include "flake_export.h"
 #include <QList>
 #include <QSharedData>
 #include <qnamespace.h>
 
 class KoShape;
 class KoPathShape;
 class KoViewConverter;
 class QPainter;
 class QTransform;
 class QPainterPath;
 class QSizeF;
 
 /// Shared clip path data
 class FLAKE_EXPORT KoClipData : public QSharedData
 {
 public:
     /// Creates clip path data from a single path shape, takes ownership of the path shape
     explicit KoClipData(KoPathShape *clipPathShape);
 
     /// Creates clip path data from multiple path shapes, takes ownership of the path shapes
     explicit KoClipData(const QList<KoPathShape*> &clipPathShapes);
 
     /// Destroys the clip path data
     ~KoClipData();
 
     /// Returns the clip path shapes
     QList<KoPathShape*> clipPathShapes() const;
 
     /// Gives up ownership of clip path shapes
     void removeClipShapesOwnership();
 
 private:
     class Private;
     Private * const d;
 };
 
 /// Clip path used to clip shapes
 class FLAKE_EXPORT KoClipPath
 {
 public:
     /**
      * Create a new shape clipping using the given clip data
      * @param clippedShape the shape to clip
      * @param clipData shared clipping data containing the clip paths
      */
     KoClipPath(KoShape *clippedShape, KoClipData *clipData);
 
     ~KoClipPath();
 
     /// Sets the clip rule to be used for the clip path
     void setClipRule(Qt::FillRule clipRule);
 
     /// Returns the current clip rule
     Qt::FillRule clipRule() const;
 
     /// Returns the current clip path with coordinates in percent of the clipped shape size
     QPainterPath path() const;
 
     /// Returns the current clip path scaled to match the specified shape size
     QPainterPath pathForSize(const QSizeF &size) const;
 
     /// Returns the clip path shapes
     QList<KoPathShape*> clipPathShapes() const;
 
     /**
      * Returns the transformation from the clip data path shapes to the
      * current document coordinates of the specified clipped shape.
      * If the specified clipped shape is null, the transformation 
      * from clip data path shapes to shape coordinates of the clipped shape 
      * at the time of creating this clip path is being returned.
      */
     QTransform clipDataTransformation(KoShape *clippedShape) const;
 
     /// Applies the clipping to the given painter
     static void applyClipping(KoShape *clippedShape, QPainter &painter, const KoViewConverter &converter);
 
 private:
     class Private;
     Private * const d;
 };
 
 #endif // KOCLIPPATH_H