290 lines
14 KiB
C++
290 lines
14 KiB
C++
/***************************************************************************
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* Copyright (c) 2015 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 DrawUtil_h_
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#define DrawUtil_h_
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#include <string>
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#include <QByteArray>
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#include <QPointF>
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#include <QString>
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#include <Geom_Curve.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopoDS_Wire.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec.hxx>
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#include <Base/Vector3D.h>
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#include <Mod/Part/App/PartFeature.h>
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#include <Mod/TechDraw/TechDrawGlobal.h>
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#ifndef M_2PI
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#define M_2PI ((M_PI)*2.0)
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#endif
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#define VERTEXTOLERANCE (2.0 * Precision::Confusion())
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#define VECTORTOLERANCE (Precision::Confusion())
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#define SVG_NS_URI "http://www.w3.org/2000/svg"
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#define FREECAD_SVG_NS_URI "https://www.freecad.org/wiki/index.php?title=Svg_Namespace"
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#define FREECAD_ATTR_EDITABLE "freecad:editable"
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#define FREECAD_ATTR_AUTOFILL "freecad:autofill"
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//some shapes are being passed in where edges that should be connected are in fact
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//separated by more than 2*Precision::Confusion (expected tolerance for 2 TopoDS_Vertex)
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//this value is used in EdgeWalker, DrawProjectSplit and DrawUtil and needs to be in sync in
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//all 3 files.
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#define EWTOLERANCE 0.0001//arbitrary number that seems to give good results for drawing
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//a multiplier for EWTOLERANCE used in fuzzy fuse and common operations.
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#define FUZZYADJUST 4.0
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namespace TechDraw
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{
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class DrawViewPart;
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//used by sort_Edges
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struct EdgePoints
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{
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gp_Pnt v1, v2;
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std::list<TopoDS_Edge>::iterator it;
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TopoDS_Edge edge;
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};
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/// Convenient utility functions for TechDraw Module
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class TechDrawExport DrawUtil
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{
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public:
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static int getIndexFromName(const std::string& geomName);
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static std::string getGeomTypeFromName(const std::string& geomName);
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static std::string makeGeomName(const std::string& geomType, int index);
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static bool isSamePoint(TopoDS_Vertex v1, TopoDS_Vertex v2, double tolerance = VERTEXTOLERANCE);
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static bool isZeroEdge(TopoDS_Edge e, double tolerance = VERTEXTOLERANCE);
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static double simpleMinDist(TopoDS_Shape s1, TopoDS_Shape s2);
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static double sensibleScale(double working_scale);
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static double angleWithX(TopoDS_Edge e, bool reverse);
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static double angleWithX(TopoDS_Edge e, TopoDS_Vertex v, double tolerance = VERTEXTOLERANCE);
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static double angleWithX(Base::Vector3d inVec);
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static double incidenceAngleAtVertex(TopoDS_Edge e, TopoDS_Vertex v, double tolerance);
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static bool isFirstVert(TopoDS_Edge e, TopoDS_Vertex v, double tolerance = VERTEXTOLERANCE);
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static bool isLastVert(TopoDS_Edge e, TopoDS_Vertex v, double tolerance = VERTEXTOLERANCE);
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static bool fpCompare(const double& d1, const double& d2, double tolerance = FLT_EPSILON);
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static std::pair<Base::Vector3d, Base::Vector3d>
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boxIntersect2d(Base::Vector3d point, Base::Vector3d dir, double xRange, double yRange);
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static bool apparentIntersection(const Handle(Geom_Curve) curve1,
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const Handle(Geom_Curve) curve2, Base::Vector3d& result);
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static bool apparentIntersection(TopoDS_Edge& edge0, TopoDS_Edge& edge1, gp_Pnt& intersect);
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static bool intersect2Lines3d(Base::Vector3d p0, Base::Vector3d d0, Base::Vector3d p1,
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Base::Vector3d d1, Base::Vector3d& intersect);
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static Base::Vector3d vertex2Vector(const TopoDS_Vertex& v);
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static std::string formatVector(const Base::Vector3d& v);
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static std::string formatVector(const gp_Dir& v);
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static std::string formatVector(const gp_Dir2d& v);
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static std::string formatVector(const gp_Vec& v);
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static std::string formatVector(const gp_Pnt& v);
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static std::string formatVector(const gp_Pnt2d& v);
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static std::string formatVector(const QPointF& v);
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static bool vectorLess(const Base::Vector3d& v1, const Base::Vector3d& v2);
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//!std::map require comparator to be a type not a function
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struct vectorLessType
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{
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bool operator()(const Base::Vector3d& a, const Base::Vector3d& b) const
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{
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return DrawUtil::vectorLess(a, b);
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}
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};
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static bool vertexEqual(TopoDS_Vertex& v1, TopoDS_Vertex& v2);
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static bool vectorEqual(Base::Vector3d& v1, Base::Vector3d& v2);
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static TopoDS_Shape vectorToCompound(std::vector<TopoDS_Edge> vecIn, bool invert = true);
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static TopoDS_Shape vectorToCompound(std::vector<TopoDS_Wire> vecIn, bool invert = true);
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static TopoDS_Shape shapeVectorToCompound(std::vector<TopoDS_Shape> vecIn, bool invert = true);
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static std::vector<TopoDS_Edge> shapeToVector(TopoDS_Shape shapeIn);
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static Base::Vector3d toR3(const gp_Ax2& fromSystem, const Base::Vector3d& fromPoint);
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static bool checkParallel(const Base::Vector3d v1, const Base::Vector3d v2,
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double tolerance = FLT_EPSILON);
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//! rotate vector by angle radians around axis through org
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static Base::Vector3d vecRotate(Base::Vector3d vec, double angle, Base::Vector3d axis,
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Base::Vector3d org = Base::Vector3d(0.0, 0.0, 0.0));
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static Base::Vector3d closestBasis(Base::Vector3d v);
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static gp_Vec closestBasis(gp_Vec inVec);
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static Base::Vector3d closestBasis(Base::Vector3d vDir, gp_Ax2 coordSys);
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static Base::Vector3d closestBasis(gp_Dir gDir, gp_Ax2 coordSys);
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static Base::Vector3d closestBasisOriented(Base::Vector3d v);
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static double getWidthInDirection(gp_Dir direction, TopoDS_Shape& shape);
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static gp_Vec maskDirection(gp_Vec inVec, gp_Dir directionToMask);
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static double getDefaultLineWeight(std::string s);
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//! is pt between end1 and end2?
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static bool isBetween(const Base::Vector3d pt, const Base::Vector3d end1,
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const Base::Vector3d end2);
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//! find intersection in 2d for 2 lines in point+direction form
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static Base::Vector3d Intersect2d(Base::Vector3d p1, Base::Vector3d d1, Base::Vector3d p2,
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Base::Vector3d d2);
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static Base::Vector2d Intersect2d(Base::Vector2d p1, Base::Vector2d d1, Base::Vector2d p2,
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Base::Vector2d d2);
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static Base::Vector3d toVector3d(const gp_Pnt gp)
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{
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return Base::Vector3d(gp.X(), gp.Y(), gp.Z());
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}
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static Base::Vector3d toVector3d(const gp_Dir gp)
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{
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return Base::Vector3d(gp.X(), gp.Y(), gp.Z());
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}
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static Base::Vector3d toVector3d(const gp_Vec gp)
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{
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return Base::Vector3d(gp.X(), gp.Y(), gp.Z());
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}
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static Base::Vector3d toVector3d(const QPointF gp)
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{
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return Base::Vector3d(gp.x(), gp.y(), 0.0);
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}
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static gp_Pnt togp_Pnt(const Base::Vector3d v)
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{
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return gp_Pnt(v.x, v.y, v.z);
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}
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static gp_Dir togp_Dir(const Base::Vector3d v)
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{
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return gp_Dir(v.x, v.y, v.z);
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}
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static gp_Vec togp_Vec(const Base::Vector3d v)
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{
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return gp_Vec(v.x, v.y, v.z);
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}
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static QPointF toQPointF(const Base::Vector3d v)
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{
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return QPointF(v.x, v.y);
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}
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static std::string shapeToString(TopoDS_Shape s);
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static TopoDS_Shape shapeFromString(std::string s);
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static Base::Vector3d invertY(Base::Vector3d v);
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static QPointF invertY(QPointF p);
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static std::vector<std::string> split(std::string csvLine);
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static std::vector<std::string> tokenize(std::string csvLine,
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std::string delimiter = ", $$$, ");
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static App::Color pyTupleToColor(PyObject* pColor);
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static PyObject* colorToPyTuple(App::Color color);
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static bool isCrazy(TopoDS_Edge e);
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static Base::Vector3d getFaceCenter(TopoDS_Face f);
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static bool circulation(Base::Vector3d A, Base::Vector3d B, Base::Vector3d C);
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static Base::Vector3d getTrianglePoint(Base::Vector3d p1, Base::Vector3d d, Base::Vector3d p2);
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static int countSubShapes(TopoDS_Shape shape, TopAbs_ShapeEnum subShape);
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static void encodeXmlSpecialChars(std::string& inoutText);
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static std::list<TopoDS_Edge> sort_Edges(double tol3d, std::list<TopoDS_Edge>& edges);
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// Supplementary mathematical functions
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static int sgn(double x);
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static double sqr(double x);
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static void angleNormalize(double& fi);
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static double angleComposition(double fi, double delta);
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static double angleDifference(double fi1, double fi2, bool reflex = false);
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static std::pair<int, int> nearestFraction(double val, int maxDenom = 999);
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// Interval marking functions
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static unsigned int intervalMerge(std::vector<std::pair<double, bool>>& marking,
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double boundary, bool wraps);
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static void intervalMarkLinear(std::vector<std::pair<double, bool>>& marking, double start,
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double length, bool value);
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static void intervalMarkCircular(std::vector<std::pair<double, bool>>& marking, double start,
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double length, bool value);
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// Supplementary 2D analytic geometry functions
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static int findRootForValue(double Ax2, double Bxy, double Cy2, double Dx, double Ey, double F,
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double value, bool findX, double roots[]);
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static bool mergeBoundedPoint(const Base::Vector2d& point, const Base::BoundBox2d& boundary,
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std::vector<Base::Vector2d>& storage);
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static void findConicRectangleIntersections(double conicAx2, double conicBxy, double conicCy2,
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double conicDx, double conicEy, double conicF,
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const Base::BoundBox2d& rectangle,
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std::vector<Base::Vector2d>& intersections);
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static void findLineRectangleIntersections(const Base::Vector2d& linePoint, double lineAngle,
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const Base::BoundBox2d& rectangle,
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std::vector<Base::Vector2d>& intersections);
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static void findCircleRectangleIntersections(const Base::Vector2d& circleCenter,
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double circleRadius,
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const Base::BoundBox2d& rectangle,
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std::vector<Base::Vector2d>& intersections);
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static void findLineSegmentRectangleIntersections(const Base::Vector2d& linePoint,
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double lineAngle, double segmentBasePosition,
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double segmentLength,
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const Base::BoundBox2d& rectangle,
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std::vector<Base::Vector2d>& intersections);
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static void findCircularArcRectangleIntersections(const Base::Vector2d& circleCenter,
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double circleRadius, double arcBaseAngle,
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double arcRotation,
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const Base::BoundBox2d& rectangle,
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std::vector<Base::Vector2d>& intersections);
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static void copyFile(std::string inSpec, std::string outSpec);
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static std::string translateArbitrary(std::string context, std::string baseName, std::string uniqueName);
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static bool isCosmeticVertex(App::DocumentObject* owner, std::string element);
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static bool isCosmeticEdge(App::DocumentObject* owner, std::string element);
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static bool isCenterLine(App::DocumentObject* owner, std::string element);
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static Base::Vector3d toAppSpace(const DrawViewPart& dvp, const Base::Vector3d& inPoint);
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static Base::Vector3d toAppSpace(const DrawViewPart& dvp, const QPointF& inPoint);
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//debugging routines
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static void dumpVertexes(const char* text, const TopoDS_Shape& s);
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static void dumpEdge(const char* label, int i, TopoDS_Edge e);
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static void dump1Vertex(const char* label, const TopoDS_Vertex& v);
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static void countFaces(const char* label, const TopoDS_Shape& s);
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static void countWires(const char* label, const TopoDS_Shape& s);
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static void countEdges(const char* label, const TopoDS_Shape& s);
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static const char* printBool(bool b);
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static QString qbaToDebug(const QByteArray& line);
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static void dumpCS(const char* text, const gp_Ax2& CS);
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static void dumpCS3(const char* text, const gp_Ax3& CS);
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static void dumpEdges(const char* text, const TopoDS_Shape& s);
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};
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}//end namespace TechDraw
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#endif
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