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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * Copyright 2000, 2010 Oracle and/or its affiliates.
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#ifndef _BGFX_POLYGON_CUTANDTOUCH_HXX
#define _BGFX_POLYGON_CUTANDTOUCH_HXX

#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/basegfxdllapi.h>

//////////////////////////////////////////////////////////////////////////////

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
        BASEGFX_DLLPUBLIC 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.
        BASEGFX_DLLPUBLIC B2DPolyPolygon addPointsAtCutsAndTouches(const B2DPolyPolygon& rCandidate, bool bSelfIntersections = true);

        // 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.
        BASEGFX_DLLPUBLIC B2DPolygon addPointsAtCuts(const B2DPolygon& 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 explicitly.
        BASEGFX_DLLPUBLIC B2DPolygon addPointsAtCuts(const B2DPolygon& rCandidate, const B2DPolyPolygon& rMask);

    } // end of namespace tools
} // end of namespace basegfx

//////////////////////////////////////////////////////////////////////////////

#endif /* _BGFX_POLYGON_CUTANDTOUCH_HXX */

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */