/************************************************************** * * 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_POLYPOLYGON_B3DPOLYGONCLIPPER_HXX #define _BGFX_POLYPOLYGON_B3DPOLYGONCLIPPER_HXX #include #include #include ////////////////////////////////////////////////////////////////////////////// namespace basegfx { // predefinitions class B3DRange; class B2DRange; namespace tools { /** define for deciding one of X,Y,Z directions */ enum B3DOrientation { B3DORIENTATION_X, // X-Axis B3DORIENTATION_Y, // Y-Axis B3DORIENTATION_Z // Z-Axis }; // Clip given 3D polygon against a plane orthogonal to X,Y or Z axis. The plane is defined using the // enum ePlaneOrthogonal which names the vector orthogonal to the plane, the fPlaneOffset gives the distance // of the plane from the center (0.0). // The value bClipPositive defines on which side the return value will be (true -> on positive side of plane). // The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true). BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolyPolygonOnOrthogonalPlane(const B3DPolyPolygon& rCandidate, B3DOrientation ePlaneOrthogonal, bool bClipPositive, double fPlaneOffset, bool bStroke); // version for Polygons BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolygonOnOrthogonalPlane(const B3DPolygon& rCandidate, B3DOrientation ePlaneOrthogonal, bool bClipPositive, double fPlaneOffset, bool bStroke); // Clip the given PolyPolygon against the given range. bInside defines if the result will contain the // parts which are contained in the range or vice versa. // The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true). BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolyPolygonOnRange(const B3DPolyPolygon& rCandidate, const B3DRange& rRange, bool bInside, bool bStroke); // version for Polygons BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolygonOnRange(const B3DPolygon& rCandidate, const B3DRange& rRange, bool bInside, bool bStroke); // versions for B2DRange, clips only against X,Y BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolyPolygonOnRange(const B3DPolyPolygon& rCandidate, const B2DRange& rRange, bool bInside, bool bStroke); BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolygonOnRange(const B3DPolygon& rCandidate, const B2DRange& rRange, bool bInside, bool bStroke); // Clip the given PolyPolygon against given plane in 3D. The plane is defined by a plane normal and a point on the plane. // The value bClipPositive defines on which side the return value will be (true -> on positive side of plane). // The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true). BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolyPolygonOnPlane(const B3DPolyPolygon& rCandidate, const B3DPoint& rPointOnPlane, const B3DVector& rPlaneNormal, bool bClipPositive, bool bStroke); // version for Polygons BASEGFX_DLLPUBLIC B3DPolyPolygon clipPolygonOnPlane(const B3DPolygon& rCandidate, const B3DPoint& rPointOnPlane, const B3DVector& rPlaneNormal, bool bClipPositive, bool bStroke); } // end of namespace tools } // end of namespace basegfx #endif /* _BGFX_POLYPOLYGON_B3DPOLYGONCLIPPER_HXX */