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134 lines
4.0 KiB
C++
Executable File
134 lines
4.0 KiB
C++
Executable File
// Created on: 1995-01-26
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// Created by: Mister rmi
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <Select2D_SensitiveSegment.ixx>
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#include <Bnd_Box2d.hxx>
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#include <gp_Lin2d.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Vec2d.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <SelectBasics_BasicTool.hxx>
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//=====================================================
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// Function : Create
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// Purpose :Constructor
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//=====================================================
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Select2D_SensitiveSegment::
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Select2D_SensitiveSegment(const Handle(SelectBasics_EntityOwner)& OwnerId,
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const gp_Pnt2d& FirstP,
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const gp_Pnt2d& LastP,
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const Standard_Integer MaxRect):
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Select2D_SensitiveEntity(OwnerId),
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mymaxrect(MaxRect),
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mystart(FirstP),
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myend(LastP)
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{}
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//=====================================================
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// Function : Areas
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// Purpose :
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//=====================================================
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void Select2D_SensitiveSegment::
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Areas(SelectBasics_ListOfBox2d& boxes)
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{
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// look for the angle with X axis if x % pi/4 <pi/12 -> one box
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//gp_Dir2d dy (0.,1.);
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gp_Vec2d MyVec(mystart,myend),VAxx(gp_Dir2d(0.,1.));
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Standard_Real theangle = (VAxx.Angle(MyVec));
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theangle = Abs(theangle);
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if(theangle>=M_PI/2.) theangle-=M_PI/2;
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if(theangle>=M_PI/12. && theangle <=5*M_PI/12.)
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{
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TColgp_Array1OfPnt2d BoxPoint (1,mymaxrect+1);
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BoxPoint (1) = mystart;BoxPoint(mymaxrect+1)=myend;
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gp_Vec2d Vtr = MyVec/mymaxrect;
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// for (Standard_Integer i=2;i<=mymaxrect;i++)
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Standard_Integer i;
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for ( i=2;i<=mymaxrect;i++)
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{BoxPoint (i) = BoxPoint (i-1).Translated(Vtr);}
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for (i=2;i<=mymaxrect+1;i++)
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{ Bnd_Box2d curbox;
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curbox.Set(BoxPoint(i-1));
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curbox.Add(BoxPoint(i));
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boxes.Append(curbox);
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}
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}
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else
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{
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Bnd_Box2d curbox;
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curbox.Set(mystart);
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curbox.Add(myend);
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boxes.Append(curbox);
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}
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}
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//=====================================================
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// Function :Matches
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// Purpose :
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//=====================================================
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Standard_Boolean Select2D_SensitiveSegment::
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Matches(const Standard_Real X,
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const Standard_Real Y,
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const Standard_Real aTol,
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Standard_Real& DMin)
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{
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// gp_Pnt2d pickpoint(X,Y);
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// gp_Vec2d V(mystart,myend);
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// gp_Lin2d Lin(mystart,V);
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Standard_Real TheTol = HasOwnTolerance()? myOwnTolerance : aTol;
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DMin=0.0;
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if(mystart.Distance(myend)<=TheTol) DMin = Min(mystart.Distance(gp_Pnt2d(X,Y)),
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myend.Distance(gp_Pnt2d(X,Y)));
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else
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DMin =Abs (gp_Lin2d(mystart,gp_Vec2d(mystart,myend)).Distance(gp_Pnt2d(X,Y)));
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if(DMin<=TheTol) return Standard_True;
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return Standard_False;
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}
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Standard_Boolean Select2D_SensitiveSegment::
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Matches (const Standard_Real XMin,
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const Standard_Real YMin,
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const Standard_Real XMax,
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const Standard_Real YMax,
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const Standard_Real aTol)
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{
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Standard_Real TheTol = HasOwnTolerance()? myOwnTolerance : aTol;
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Bnd_Box2d BoundBox;
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BoundBox.Update(XMin-TheTol,YMin-TheTol,XMax+TheTol,YMax+TheTol);
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if (BoundBox.IsOut(mystart)||BoundBox.IsOut(myend)) return Standard_False;
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return Standard_True;
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}
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