/************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the 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 explicitly. 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 */