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koffice/karbon/commands/vbooleancmd.h

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/* This file is part of the KDE project
Copyright (C) 2001, The Karbon Developers
Copyright (C) 2002, The Karbon Developers
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 __VBOOLEANCMD_H__
#define __VBOOLEANCMD_H__
#include <tqvaluelist.h>
#include "vcommand.h"
class VSubpath;
class VSegment;
class VSelection;
class VBooleanCmd : public VCommand
{
public:
enum VBooleanType
{
intersect,
shape_union,
shape_xor,
substract
};
VBooleanCmd( VDocument* doc, VBooleanType type = intersect );
virtual ~VBooleanCmd();
virtual void execute();
virtual void unexecute();
// We can only visit object pairs.
virtual bool visit( VObject& /*object*/ )
{
return false;
}
// A pair visit() function.
bool visit( VObject& object1, VObject& object2 );
virtual void visitVSubpath( VSubpath& path );
protected:
typedef TQValueList<double> VParamList;
void recursiveSubdivision(
const VSegment& segment1, double t0_1, double t1_1,
const VSegment& segment2, double t0_2, double t1_2,
VParamList& params1, VParamList& params2 );
VSelection* m_selection;
VBooleanType m_type;
VSubpath* m_path1;
VSubpath* m_path2;
};
#endif