124 lines
5.9 KiB
C++
124 lines
5.9 KiB
C++
/***************************************************************************
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* Copyright (c) 2023 WandererFan <wandererfan@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef TECHDRAW_SHAPEUTILS_H
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#define TECHDRAW_SHAPEUTILS_H
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#include <Mod/TechDraw/TechDrawGlobal.h>
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#include <memory>
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#include <string>
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#include <vector>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Wire.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Pnt.hxx>
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#include <Base/Vector3D.h>
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//! a class to contain useful shape manipulations. these methods were originally
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// in GeometryObject.
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namespace TechDraw
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{
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class DrawViewPart;
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class DrawViewDetail;
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class DrawView;
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class CosmeticVertex;
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class CosmeticEdge;
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class BaseGeom;
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class Vector;
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class Face;
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class Vertex;
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class TechDrawExport ShapeUtils
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{
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public:
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//! scales & mirrors a shape about a center
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static TopoDS_Shape mirrorShapeVec( const TopoDS_Shape& input,
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const Base::Vector3d& inputCenter = Base::Vector3d(0.0, 0.0, 0.0),
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double scale = 1.0);
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//! scales & mirrors a shape about a center
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static TopoDS_Shape mirrorShapeVec(TopoDS_Shape& input, const Base::Vector3d& inputCenter = Base::Vector3d(0.0, 0.0, 0.0),
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double scale = 1.0);
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//! mirrors a shape around the y axis. this is need to deal with Qt's odd coordinate choice where the Y-axis
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//! has increasing values in the down direction. also performs a scaling of the input shaft
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static TopoDS_Shape mirrorShape(const TopoDS_Shape& input,
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const gp_Pnt& inputCenter = gp_Pnt(0.0, 0.0, 0.0),
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double scale = 1.0);
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//! another mirroring routine that modifies the shape to conform with the Qt coordinate system.
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static TopoDS_Shape invertGeometry(const TopoDS_Shape s);
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//! scales a shape uniformly in all directions
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static TopoDS_Shape scaleShape(const TopoDS_Shape& input, double scale);
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//! rotates a shape around the Z axis of a coordinate system
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static TopoDS_Shape rotateShape(const TopoDS_Shape& input, const gp_Ax2& coordSys,
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double rotAngle);
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//! moves a shape in a direction and distance specified by the motion parameter
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static TopoDS_Shape moveShape(const TopoDS_Shape& input, const Base::Vector3d& motion);
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//! move a shape such that its centroid is aligned with the origin point of a CoordinateSystem
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static TopoDS_Shape centerShapeXY(const TopoDS_Shape& inShape, const gp_Ax2& coordSys);
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//! Returns the centroid of shape, as viewed according to direction
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static gp_Pnt findCentroid(const TopoDS_Shape& shape);
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static gp_Pnt findCentroid(const TopoDS_Shape& shape, const Base::Vector3d& direction);
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static gp_Pnt findCentroid(const TopoDS_Shape& shape, const gp_Ax2& viewAxis);
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static Base::Vector3d findCentroidVec(const TopoDS_Shape& shape,
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const Base::Vector3d& direction);
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static Base::Vector3d findCentroidVec(const TopoDS_Shape& shape, const gp_Ax2& cs);
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//! creates a RH coordinate system with the origin at origin and the Z axis along direction.
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// the flip will cause the Z axis to be the reversed of direction
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static gp_Ax2 getViewAxis(const Base::Vector3d origin, const Base::Vector3d& direction,
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const bool flip = true);
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static gp_Ax2 getViewAxis(const Base::Vector3d origin, const Base::Vector3d& direction,
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const Base::Vector3d& xAxis, const bool flip = true);
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static gp_Ax2 legacyViewAxis1(const Base::Vector3d origin, const Base::Vector3d& direction,
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const bool flip = true);
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static TopoDS_Shape projectSimpleShape(const TopoDS_Shape& shape, const gp_Ax2& CS);
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static TopoDS_Shape simpleProjection(const TopoDS_Shape& shape, const gp_Ax2& projCS);
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static TopoDS_Shape projectFace(const TopoDS_Shape& face, const gp_Ax2& CS);
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static std::pair<Base::Vector3d, Base::Vector3d> getEdgeEnds(TopoDS_Edge edge);
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static bool isShapeReallyNull(TopoDS_Shape shape);
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static bool edgesAreParallel(TopoDS_Edge edge0, TopoDS_Edge edge1);
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static TopoDS_Shape fromQt(const TopoDS_Shape& inShape);
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static TopoDS_Shape toQt(const TopoDS_Shape& inShape);
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static TopoDS_Wire fromQtAsWire(const TopoDS_Shape& inShape);
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static TopoDS_Face fromQtAsFace(const TopoDS_Shape& inShape);
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};
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}
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#endif
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