/************************************************************************* * * 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 * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _BGFX_POLYGON_CUTANDTOUCH_HXX #define _BGFX_POLYGON_CUTANDTOUCH_HXX #include #include #include ////////////////////////////////////////////////////////////////////////////// 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 all polygons from rMask and add extra points there. Do // not change or add points to rMask. BASEGFX_DLLPUBLIC 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. BASEGFX_DLLPUBLIC 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. BASEGFX_DLLPUBLIC B2DPolygon addPointsAtCuts(const B2DPolygon& rCandidate, const B2DPoint& rStart, const B2DPoint& rEnd); BASEGFX_DLLPUBLIC 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. BASEGFX_DLLPUBLIC B2DPolygon addPointsAtCuts(const B2DPolygon& rCandidate, const B2DPolyPolygon& rMask); BASEGFX_DLLPUBLIC 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 BASEGFX_DLLPUBLIC B2DPolygon addPointsAtCuts(const B2DPolygon& rCandidate); // add points at all self-intersections of single polygons (depends on bSelfIntersections) // and at polygon-polygon intersections BASEGFX_DLLPUBLIC B2DPolyPolygon addPointsAtCuts(const B2DPolyPolygon& rCandidate, bool bSelfIntersections = true); } // end of namespace tools } // end of namespace basegfx ////////////////////////////////////////////////////////////////////////////// #endif /* _BGFX_POLYGON_CUTANDTOUCH_HXX */