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 /* This file is part of the KDE project
  * Copyright (C) 2006-2007, 2010 Thomas Zander <zander@kde.org>
  * Copyright (C) 2010 Ko Gmbh <cbo@kogmbh.com>
  *
  * 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 KOTEXTLAYOUTOBSTRUCTION_H
 #define KOTEXTLAYOUTOBSTRUCTION_H
 
 #include "kotextlayout_export.h"
 
 #include <QMultiMap>
 #include <QPolygonF>
 #include <QRectF>
 #include <QLineF>
 
 class KoShape;
 class QTransform;
 class QPainterPath;
 
 ///  Class that allows us with the runaround of QPainterPaths
 class KOTEXTLAYOUT_EXPORT KoTextLayoutObstruction
 {
 public:
     KoTextLayoutObstruction(KoShape *shape, const QTransform &matrix);
 
     KoTextLayoutObstruction(const QRectF &rect, bool rtl);
 
     void init(const QTransform &matrix, const QPainterPath &obstruction, qreal distanceLeft, qreal distanceTop, qreal distanceRight, qreal distanceBottom, qreal borderHalfWidth);
 
     QRectF limit(const QRectF &content);
 
     KoShape *shape() const { return m_shape; }
 
     static qreal xAtY(const QLineF &line, qreal y);
 
     void changeMatrix(const QTransform &matrix);
 
     //-------------------------------------------------------------------------------
 
     QRectF cropToLine(const QRectF &lineRect);
 
     QRectF getLeftLinePart(const QRectF &lineRect) const;
 
     QRectF getRightLinePart(const QRectF &lineRect) const;
 
     bool textOnLeft() const;
 
     bool textOnRight() const;
 
     bool textOnBiggerSide() const;
 
     bool textOnEnoughSides() const;
 
     bool noTextAround() const;
 
     // Don't run around unless available space is > than this when m_side == Enough.
     qreal runAroundThreshold() const;
 
     static bool compareRectLeft(KoTextLayoutObstruction *o1, KoTextLayoutObstruction *o2);
 private:
     QPainterPath decoratedOutline(const KoShape *shape, qreal &borderHalfWidth) const;
 
     enum Side { None, Left, Right, Empty, Both, Bigger, Enough };
     Side m_side;
     QRectF m_bounds;
     QPolygonF m_polygon;
     public:
     QRectF m_line;
     QMultiMap<qreal, QLineF> m_edges; //sorted with y-coord
     KoShape *m_shape;
     QRectF m_rect;
     qreal m_distanceLeft;
     qreal m_distanceTop;
     qreal m_distanceRight;
     qreal m_distanceBottom;
     qreal m_borderHalfWidth;
     qreal m_runAroundThreshold;
 };
 
 #endif