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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SDR_POLYPOLYGONEDITOR_HXX_
#define _SDR_POLYPOLYGONEDITOR_HXX_
#include "svx/svxdllapi.h"
#include "svx/ipolypolygoneditorcontroller.hxx"
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <set>
class SdrUShortCont;
namespace sdr
{
/** this class implements some helper functions to edit a B2DPolyPolygon */
class SVX_DLLPUBLIC PolyPolygonEditor
{
public:
PolyPolygonEditor( const basegfx::B2DPolyPolygon& rPolyPolygon, bool bClosed );
const basegfx::B2DPolyPolygon& GetPolyPolygon() const { return maPolyPolygon; }
/** returns true if the B2DPolyPolygon was changed.
Warning: B2DPolyPolygon can be empty after this operation!
*/
bool DeletePoints( const std::set< sal_uInt16 >& rAbsPoints );
/** returns true if the B2DPolyPolygon was changed.
*/
bool SetSegmentsKind(SdrPathSegmentKind eKind, const std::set< sal_uInt16 >& rAbsPoints);
/** returns true if the B2DPolyPolygon was changed.
*/
bool SetPointsSmooth( basegfx::B2VectorContinuity eFlags, const std::set< sal_uInt16 >& rAbsPoints);
/** Outputs the realative position ( polygon number and point number in that polygon ) from the absolut point number.
False is returned if the given absolute point is greater not inside this B2DPolyPolygon
*/
static bool GetRelativePolyPoint( const basegfx::B2DPolyPolygon& rPoly, sal_uInt32 nAbsPnt, sal_uInt32& rPolyNum, sal_uInt32& rPointNum );
private:
basegfx::B2DPolyPolygon maPolyPolygon;
bool mbIsClosed;
};
}
#endif
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