| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
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| * distributed with this work for additional information |
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| * to you under the Apache License, Version 2.0 (the |
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| * http://www.apache.org/licenses/LICENSE-2.0 |
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| * software distributed under the License is distributed on an |
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| * KIND, either express or implied. See the License for the |
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| * under the License. |
| * |
| *************************************************************/ |
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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 */ |