libs/flake

KoPathPointTypeCommand.h

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00001 /* This file is part of the KDE project
00002  * Copyright (C) 2006,2008 Jan Hambrecht <jaham@gmx.net>
00003  * Copyright (C) 2006,2007 Thorsten Zachmann <zachmann@kde.org>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public License
00016  * along with this library; see the file COPYING.LIB.  If not, write to
00017  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019  */
00020 
00021 #ifndef KOPATHPOINTTYPECOMMAND_H
00022 #define KOPATHPOINTTYPECOMMAND_H
00023 
00024 #include <QUndoCommand>
00025 #include <QList>
00026 #include "KoPathBaseCommand.h"
00027 //#include "KoPathShape.h"
00028 #include "KoPathPoint.h"
00029 #include "KoPathPointData.h"
00030 #include "flake_export.h"
00031 
00033 class FLAKE_TEST_EXPORT KoPathPointTypeCommand : public KoPathBaseCommand
00034 {
00035 public:
00037     enum PointType {
00038         Corner,
00039         Smooth,
00040         Symmetric,
00041         Line,
00042         Curve
00043     };
00050     KoPathPointTypeCommand(const QList<KoPathPointData> & pointDataList, PointType pointType, QUndoCommand *parent = 0);
00051     ~KoPathPointTypeCommand();
00052 
00054     void redo();
00056     void undo();
00057 
00058 private:
00059     // used for storing the data for undo
00060     struct PointData {
00061         PointData(const KoPathPointData pointData)
00062                 : m_pointData(pointData) {}
00063         KoPathPointData m_pointData;
00064         // old control points in document coordinates
00065         QPointF m_oldControlPoint1;
00066         QPointF m_oldControlPoint2;
00067         KoPathPoint::KoPointProperties m_oldProperties;
00068         bool m_hadControlPoint1;
00069         bool m_hadControlPoint2;
00070     };
00071 
00072     bool appendPointData(KoPathPointData data);
00073     void undoChanges(const QList<PointData> &data);
00074 
00075     PointType m_pointType;
00076     QList<PointData> m_oldPointData;
00077     QList<PointData> m_additionalPointData;
00078 };
00079 
00080 #endif // KOPATHPOINTTYPECOMMAND_H