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8b7c5e4715
Added test cases in group bugs/modalg_5 Test cases were put to corresponding regular grid fillet2d
132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
// 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 <ChFi2d_ChamferAPI.hxx>
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#include <Precision.hxx>
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#include <gp_Pnt.hxx>
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#include <GC_MakeLine.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <TopoDS_Iterator.hxx>
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#include <TopoDS.hxx>
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// An empty constructor.
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ChFi2d_ChamferAPI::ChFi2d_ChamferAPI()
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{
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}
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// A constructor accepting a wire consisting of two linear edges.
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ChFi2d_ChamferAPI::ChFi2d_ChamferAPI(const TopoDS_Wire& theWire)
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{
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Init(theWire);
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}
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// A constructor accepting two linear edges.
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ChFi2d_ChamferAPI::ChFi2d_ChamferAPI(const TopoDS_Edge& theEdge1, const TopoDS_Edge& theEdge2)
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{
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Init(theEdge1, theEdge2);
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}
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// Initializes the class by a wire consisting of two libear edges.
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void ChFi2d_ChamferAPI::Init(const TopoDS_Wire& theWire)
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{
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TopoDS_Edge E1, E2;
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TopoDS_Iterator itr(theWire);
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for (; itr.More(); itr.Next())
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{
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if (E1.IsNull())
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E1 = TopoDS::Edge(itr.Value());
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else if (E2.IsNull())
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E2 = TopoDS::Edge(itr.Value());
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else
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break;
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}
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Init(E1, E2);
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}
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// Initializes the class by two linear edges.
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void ChFi2d_ChamferAPI::Init(const TopoDS_Edge& theEdge1, const TopoDS_Edge& theEdge2)
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{
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myEdge1 = theEdge1;
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myEdge2 = theEdge2;
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}
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// Constructs a chamfer edge.
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// Returns true if the edge is constructed.
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Standard_Boolean ChFi2d_ChamferAPI::Perform()
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{
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myCurve1 = BRep_Tool::Curve(myEdge1, myStart1, myEnd1);
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myCurve2 = BRep_Tool::Curve(myEdge2, myStart2, myEnd2);
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// searching for common points
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if (myCurve1->Value(myStart1).IsEqual(myCurve2->Value(myEnd2), Precision::Confusion()))
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{
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myCommonStart1 = true;
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myCommonStart2 = false;
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}
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else
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{
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if (myCurve1->Value(myEnd1).IsEqual(myCurve2->Value(myStart2), Precision::Confusion()))
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{
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myCommonStart1 = false;
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myCommonStart2 = true;
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}
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else
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{
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if (myCurve1->Value(myEnd1).IsEqual(myCurve2->Value(myEnd2), Precision::Confusion()))
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{
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myCommonStart1 = false;
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myCommonStart2 = false;
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}
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else
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{
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myCommonStart1 = true;
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myCommonStart2 = true;
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}
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}
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}
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return Standard_True;
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}
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// Returns the result (chamfer edge, modified edge1, modified edge2).
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TopoDS_Edge ChFi2d_ChamferAPI::Result(TopoDS_Edge& theEdge1, TopoDS_Edge& theEdge2,
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const Standard_Real theLength1, const Standard_Real theLength2)
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{
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TopoDS_Edge aResult;
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if (Abs(myEnd1 - myStart1) < theLength1)
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return aResult;
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if (Abs(myEnd2 - myStart2) < theLength2)
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return aResult;
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Standard_Real aCommon1 = (myCommonStart1?myStart1:myEnd1) + (((myStart1 > myEnd1)^myCommonStart1)?theLength1:-theLength1);
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Standard_Real aCommon2 = (myCommonStart2?myStart2:myEnd2) + (((myStart2 > myEnd2)^myCommonStart2)?theLength2:-theLength2);
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// make chamfer edge
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GC_MakeLine aML(myCurve1->Value(aCommon1), myCurve2->Value(aCommon2));
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BRepBuilderAPI_MakeEdge aBuilder(aML.Value(), myCurve1->Value(aCommon1), myCurve2->Value(aCommon2));
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aResult = aBuilder.Edge();
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// divide first edge
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BRepBuilderAPI_MakeEdge aDivider1(myCurve1, aCommon1, (myCommonStart1?myEnd1:myStart1));
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theEdge1 = aDivider1.Edge();
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// divide second edge
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BRepBuilderAPI_MakeEdge aDivider2(myCurve2, aCommon2, (myCommonStart2?myEnd2:myStart2));
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theEdge2 = aDivider2.Edge();
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return aResult;
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}
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