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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: b2dpolygoncutandtouch.hxx,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
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* it under the terms of the GNU Lesser General Public License version 3
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*
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* 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).
*
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* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
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************************************************************************/
#ifndef _BGFX_POLYGON_CUTANDTOUCH_HXX
#define _BGFX_POLYGON_CUTANDTOUCH_HXX
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace basegfx
{
namespace tools
{
// look for self-intersections and self-touches (points on an edge) in given polygon and add
// extra points there. Result will have no touches or intersections on an edge, only on points
B2DPolygon addPointsAtCutsAndTouches(const B2DPolygon& rCandidate);
// look for polypolygon-intersections and polypolygon-touches (point of poly A on an edge of poly B) in given PolyPolygon and add
// extra points there. Result will have no touches or intersections between contained polygons on an edge, only on points. For
// convenience, the correction for self-intersections for each member polygon will be used, too.
// Changed: Self intersections are searched by default, but may be switched off by 2nd parameter.
B2DPolyPolygon addPointsAtCutsAndTouches(const B2DPolyPolygon& rCandidate, bool bSelfIntersections = true);
// look for intersections of rCandidate with all polygons from rMask and add extra points there. Do
// not change or add points to rMask.
B2DPolygon addPointsAtCutsAndTouches(const B2DPolyPolygon& rMask, const B2DPolygon& rCandidate);
// look for intersections of rCandidate with all polygons from rMask and add extra points there. Do
// not change or add points to rMask.
B2DPolyPolygon addPointsAtCutsAndTouches(const B2DPolyPolygon& rMask, const B2DPolyPolygon& rCandidate);
// look for intersections of rCandidate with the edge from rStart to rEnd and add extra points there.
// Points are only added in the range of the edge, not on the endless vector.
B2DPolygon addPointsAtCuts(const B2DPolygon& rCandidate, const B2DPoint& rStart, const B2DPoint& rEnd);
B2DPolyPolygon addPointsAtCuts(const B2DPolyPolygon& rCandidate, const B2DPoint& rStart, const B2DPoint& rEnd);
// look for intersections of rCandidate with the mask Polygon and add extra points there.
// The mask polygon is assumed to be closed, even when it's not explicitely.
B2DPolygon addPointsAtCuts(const B2DPolygon& rCandidate, const B2DPolyPolygon& rMask);
B2DPolyPolygon addPointsAtCuts(const B2DPolyPolygon& rCandidate, const B2DPolyPolygon& rMask);
// look for self-intersections in given polygon and add extra points there. Result will have no
// intersections on an edge
B2DPolygon addPointsAtCuts(const B2DPolygon& rCandidate);
// add points at all self-intersections of single polygons (depends on bSelfIntersections)
// and at polygon-polygon intersections
B2DPolyPolygon addPointsAtCuts(const B2DPolyPolygon& rCandidate, bool bSelfIntersections = true);
} // end of namespace tools
} // end of namespace basegfx
//////////////////////////////////////////////////////////////////////////////
#endif /* _BGFX_POLYGON_CUTANDTOUCH_HXX */
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