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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
191 lines
5.2 KiB
C++
191 lines
5.2 KiB
C++
// Created on: 1996-01-10
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// Created by: Denis PASCAL
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <DrawDim.ixx>
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#include <Draw_Text3D.hxx>
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#include <gp_Pnt.hxx>
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#include <TCollection_AsciiString.hxx>
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#include <Geom_Curve.hxx>
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#include <BRep_Tool.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopAbs.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_Circle.hxx>
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#include <Geom_Plane.hxx>
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#include <ElCLib.hxx>
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#include <Draw.hxx>
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#include <Draw_Appli.hxx>
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#include <TopoDS_Vertex.hxx>
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#ifdef WNT
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Standard_IMPORT Draw_Viewer dout;
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#endif
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//=======================================================================
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//function : AllCommands
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//purpose :
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//=======================================================================
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void DrawDim::AllCommands (Draw_Interpretor& theCommands)
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{
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PlanarDimensionCommands (theCommands);
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}
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//=======================================================================
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//function : DrawShapeName
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//purpose :
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//=======================================================================
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void DrawDim::DrawShapeName (const TopoDS_Shape& ashape,
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const Standard_CString aname)
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{
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gp_Pnt position;
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TCollection_AsciiString t (" ");
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switch (ashape.ShapeType()) {
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case TopAbs_EDGE :
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{
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Standard_Real f,l,parameter;
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Handle(Geom_Curve) curve = BRep_Tool::Curve(TopoDS::Edge(ashape),f,l);
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if (curve->IsKind(STANDARD_TYPE(Geom_Line))) {
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parameter = (f+l)/2.;
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position = ElCLib::Value(parameter,Handle(Geom_Line)::DownCast(curve)->Lin());
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}
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else if (curve->IsKind(STANDARD_TYPE(Geom_Circle))) {
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parameter = (f+l)/2.;
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if (f > l) parameter = parameter + M_PI;
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position = ElCLib::Value(parameter,Handle(Geom_Circle)::DownCast(curve)->Circ());
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}
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}
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break;
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case TopAbs_VERTEX :
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{
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position = BRep_Tool::Pnt(TopoDS::Vertex(ashape));
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}
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break;
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default:
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break;
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}
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t+=aname; //Name();
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Handle(Draw_Text3D) text = new Draw_Text3D (position,t.ToCString(),Draw_blanc);
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dout << text;
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}
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//=======================================================================
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//function : Pln
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//purpose :
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//=======================================================================
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Standard_Boolean DrawDim::Pln (const TopoDS_Face& f, gp_Pln& p)
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{
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Handle(Geom_Plane) P = Handle(Geom_Plane)::DownCast(BRep_Tool::Surface(f));
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if (!P.IsNull()) {
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p = P->Pln();
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return Standard_True;
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}
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return Standard_False;
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}
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//=======================================================================
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//function : Lin
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//purpose :
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//=======================================================================
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Standard_Boolean DrawDim::Lin (const TopoDS_Edge& e,
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gp_Lin& l,
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Standard_Boolean& infinite,
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Standard_Real& first,
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Standard_Real& last)
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{
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Standard_Real f1,l1;
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Handle(Geom_Line) L = Handle(Geom_Line)::DownCast(BRep_Tool::Curve(e,f1,l1));
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if (!L.IsNull()) {
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TopoDS_Vertex vf, vl;
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TopExp::Vertices(TopoDS::Edge(e),vf,vl);
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if (vf.IsNull() && vl.IsNull()) {
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infinite = Standard_True;
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l = L->Lin();
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return Standard_True;
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}
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else if (vf.IsNull() || vl.IsNull()) {
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Standard_DomainError::Raise("DrawDim::Lin : semi infinite edge");
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}
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else {
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l = L->Lin();
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infinite = Standard_True;
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first = f1;
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last = l1;
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return Standard_True;
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}
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}
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return Standard_False;
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}
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//=======================================================================
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//function : Lin
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//purpose :
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//=======================================================================
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Standard_Boolean DrawDim::Circ (const TopoDS_Edge& e,
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gp_Circ& c,
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Standard_Real& first,
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Standard_Real& last)
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{
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Standard_Real f1,l1;
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Handle(Geom_Circle) C = Handle(Geom_Circle)::DownCast(BRep_Tool::Curve(e,f1,l1));
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if (!C.IsNull()) {
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c = C->Circ();
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first = f1;
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last = l1;
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return Standard_True;
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}
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return Standard_False;
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}
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//=======================================================================
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//function : Nearest
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//purpose :
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//=======================================================================
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gp_Pnt DrawDim::Nearest(const TopoDS_Shape& ashape, const gp_Pnt& apoint)
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{
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Standard_Real dist = RealLast();
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Standard_Real curdist;
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gp_Pnt result;
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gp_Pnt curpnt;
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TopExp_Explorer explo(ashape,TopAbs_VERTEX);
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while (explo.More()) {
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curpnt = BRep_Tool::Pnt(TopoDS::Vertex(explo.Current()));
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curdist = apoint.Distance(curpnt);
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if (curdist < dist) {
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result = curpnt;
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dist = curdist;
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}
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explo.Next();
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}
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return result;
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}
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