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occt/src/AIS/AIS_DiameterDimension.cxx
Jacob Abel a3f6f591fc 0027105: Make code ISO-compliant [-Wpedantic fixes]
Remove extra semicolons and correct function prototypes for GCC -pedantic ISO compliance option
2016-01-22 11:29:24 +03:00

388 lines
12 KiB
C++

// Created on: 1996-12-05
// Created by: Jacques MINOT/Odile Olivier/Sergey ZARITCHNY
// Copyright (c) 1996-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <AIS_DiameterDimension.hxx>
#include <AIS.hxx>
#include <BRepLib_MakeEdge.hxx>
#include <ElCLib.hxx>
#include <GeomAPI_IntCS.hxx>
#include <Geom_Circle.hxx>
#include <Geom_Plane.hxx>
#include <gce_MakeDir.hxx>
#include <Standard_ProgramError.hxx>
IMPLEMENT_STANDARD_RTTIEXT(AIS_DiameterDimension,AIS_Dimension)
namespace
{
static const Standard_ExtCharacter THE_DIAMETER_SYMBOL (0x00D8);
}
//=======================================================================
//function : Constructor
//purpose :
//=======================================================================
AIS_DiameterDimension::AIS_DiameterDimension (const gp_Circ& theCircle)
: AIS_Dimension (AIS_KOD_DIAMETER)
{
SetMeasuredGeometry (theCircle);
SetSpecialSymbol (THE_DIAMETER_SYMBOL);
SetDisplaySpecialSymbol (AIS_DSS_Before);
SetFlyout (0.0);
}
//=======================================================================
//function : Constructor
//purpose :
//=======================================================================
AIS_DiameterDimension::AIS_DiameterDimension (const gp_Circ& theCircle,
const gp_Pln& thePlane)
: AIS_Dimension (AIS_KOD_DIAMETER)
{
SetCustomPlane (thePlane);
SetMeasuredGeometry (theCircle);
SetSpecialSymbol (THE_DIAMETER_SYMBOL);
SetDisplaySpecialSymbol (AIS_DSS_Before);
SetFlyout (0.0);
}
//=======================================================================
//function : Constructor
//purpose :
//=======================================================================
AIS_DiameterDimension::AIS_DiameterDimension (const TopoDS_Shape& theShape)
: AIS_Dimension (AIS_KOD_DIAMETER)
{
SetMeasuredGeometry (theShape);
SetSpecialSymbol (THE_DIAMETER_SYMBOL);
SetDisplaySpecialSymbol (AIS_DSS_Before);
SetFlyout (0.0);
}
//=======================================================================
//function : Constructor
//purpose :
//=======================================================================
AIS_DiameterDimension::AIS_DiameterDimension (const TopoDS_Shape& theShape,
const gp_Pln& thePlane)
: AIS_Dimension (AIS_KOD_DIAMETER)
{
SetCustomPlane (thePlane);
SetMeasuredGeometry (theShape);
SetSpecialSymbol (THE_DIAMETER_SYMBOL);
SetDisplaySpecialSymbol (AIS_DSS_Before);
SetFlyout (0.0);
}
//=======================================================================
//function : AnchorPoint
//purpose :
//=======================================================================
gp_Pnt AIS_DiameterDimension::AnchorPoint()
{
if (!IsValid())
{
return gp::Origin();
}
return myAnchorPoint;
}
//=======================================================================
//function : SetMeasuredGeometry
//purpose :
//=======================================================================
void AIS_DiameterDimension::SetMeasuredGeometry (const gp_Circ& theCircle)
{
myCircle = theCircle;
myGeometryType = GeometryType_Edge;
myShape = BRepLib_MakeEdge (theCircle);
myAnchorPoint = gp::Origin();
myIsGeometryValid = IsValidCircle (myCircle);
if (myIsGeometryValid && myIsPlaneCustom)
{
ComputeAnchorPoint();
}
else if (!myIsPlaneCustom)
{
ComputePlane();
myAnchorPoint = ElCLib::Value (0.0, myCircle);
}
SetToUpdate();
}
//=======================================================================
//function : SetMeasuredGeometry
//purpose :
//=======================================================================
void AIS_DiameterDimension::SetMeasuredGeometry (const TopoDS_Shape& theShape)
{
gp_Pnt aDummyPnt (gp::Origin());
Standard_Boolean isClosed = Standard_False;
myGeometryType = GeometryType_UndefShapes;
myShape = theShape;
myAnchorPoint = gp::Origin();
myIsGeometryValid = InitCircularDimension (theShape, myCircle, aDummyPnt, isClosed)
&& IsValidCircle (myCircle)
&& isClosed;
if (myIsGeometryValid && myIsPlaneCustom)
{
ComputeAnchorPoint();
}
else if (!myIsPlaneCustom)
{
ComputePlane();
myAnchorPoint = ElCLib::Value (0.0, myCircle);
}
SetToUpdate();
}
//=======================================================================
//function : CheckPlane
//purpose :
//=======================================================================
Standard_Boolean AIS_DiameterDimension::CheckPlane (const gp_Pln& thePlane) const
{
// Check if the circle center point belongs to plane.
if (!thePlane.Contains (myCircle.Location(), Precision::Confusion()))
{
return Standard_False;
}
return Standard_True;
}
//=======================================================================
//function : ComputePlane
//purpose :
//=======================================================================
void AIS_DiameterDimension::ComputePlane()
{
if (!myIsGeometryValid)
{
return;
}
myPlane = gp_Pln (gp_Ax3 (myCircle.Position()));
}
//=======================================================================
//function : ComputeAnchorPoint
//purpose :
//=======================================================================
void AIS_DiameterDimension::ComputeAnchorPoint()
{
// Anchor point is an intersection of dimension plane and circle.
Handle(Geom_Circle) aCircle = new Geom_Circle (myCircle);
Handle(Geom_Plane) aPlane = new Geom_Plane (myPlane);
GeomAPI_IntCS anIntersector (aCircle, aPlane);
if (!anIntersector.IsDone())
{
myIsGeometryValid = Standard_False;
return;
}
// The circle lays on the plane.
if (anIntersector.NbPoints() != 2)
{
myAnchorPoint = ElCLib::Value (0.0, myCircle);
myIsGeometryValid = Standard_True;
return;
}
gp_Pnt aFirstPoint = anIntersector.Point (1);
gp_Pnt aSecondPoint = anIntersector.Point (2);
// Choose one of two intersection points that stands with
// positive direction of flyout.
// An anchor point is supposed to be the left attachment point.
gp_Dir aFirstDir = gce_MakeDir (aFirstPoint, myCircle.Location());
gp_Dir aDir = myPlane.Axis().Direction() ^ aFirstDir;
myAnchorPoint = (gp_Vec (aDir) * gp_Vec(myCircle.Position().Direction()) > 0.0)
? aFirstPoint
: aSecondPoint;
}
//=======================================================================
//function : GetModelUnits
//purpose :
//=======================================================================
const TCollection_AsciiString& AIS_DiameterDimension::GetModelUnits() const
{
return myDrawer->DimLengthModelUnits();
}
//=======================================================================
//function : GetDisplayUnits
//purpose :
//=======================================================================
const TCollection_AsciiString& AIS_DiameterDimension::GetDisplayUnits() const
{
return myDrawer->DimLengthDisplayUnits();
}
//=======================================================================
//function : SetModelUnits
//purpose :
//=======================================================================
void AIS_DiameterDimension::SetModelUnits (const TCollection_AsciiString& theUnits)
{
myDrawer->SetDimLengthModelUnits (theUnits);
}
//=======================================================================
//function : SetDisplayUnits
//purpose :
//=======================================================================
void AIS_DiameterDimension::SetDisplayUnits (const TCollection_AsciiString& theUnits)
{
myDrawer->SetDimLengthDisplayUnits (theUnits);
}
//=======================================================================
//function : ComputeValue
//purpose :
//=======================================================================
Standard_Real AIS_DiameterDimension::ComputeValue() const
{
if (!IsValid())
{
return 0.0;
}
return myCircle.Radius() * 2.0;
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_DiameterDimension::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePM*/,
const Handle(Prs3d_Presentation)& thePresentation,
const Standard_Integer theMode)
{
thePresentation->Clear();
mySelectionGeom.Clear (theMode);
if (!IsValid())
{
return;
}
gp_Pnt aFirstPnt (gp::Origin());
gp_Pnt aSecondPnt (gp::Origin());
ComputeSidePoints (myCircle, aFirstPnt, aSecondPnt);
DrawLinearDimension (thePresentation, theMode, aFirstPnt, aSecondPnt);
}
//=======================================================================
//function : ComputeFlyoutSelection
//purpose :
//=======================================================================
void AIS_DiameterDimension::ComputeFlyoutSelection (const Handle(SelectMgr_Selection)& theSelection,
const Handle(SelectMgr_EntityOwner)& theEntityOwner)
{
if (!IsValid())
{
return;
}
gp_Pnt aFirstPnt (gp::Origin());
gp_Pnt aSecondPnt (gp::Origin());
ComputeSidePoints (myCircle, aFirstPnt, aSecondPnt);
ComputeLinearFlyouts (theSelection, theEntityOwner, aFirstPnt, aSecondPnt);
}
//=======================================================================
//function : ComputeSidePoints
//purpose :
//=======================================================================
void AIS_DiameterDimension::ComputeSidePoints (const gp_Circ& theCircle,
gp_Pnt& theFirstPnt,
gp_Pnt& theSecondPnt)
{
theFirstPnt = AnchorPoint();
gp_Vec aRadiusVector (theCircle.Location(), theFirstPnt);
theSecondPnt = theCircle.Location().Translated (-aRadiusVector);
}
//=======================================================================
//function : IsValidCircle
//purpose :
//=======================================================================
Standard_Boolean AIS_DiameterDimension::IsValidCircle (const gp_Circ& theCircle) const
{
return (theCircle.Radius() * 2.0) > Precision::Confusion();
}
//=======================================================================
//function : IsValidAnchor
//purpose :
//=======================================================================
Standard_Boolean AIS_DiameterDimension::IsValidAnchor (const gp_Circ& theCircle,
const gp_Pnt& theAnchor) const
{
gp_Pln aCirclePlane (theCircle.Location(), theCircle.Axis().Direction());
Standard_Real anAnchorDist = theAnchor.Distance (theCircle.Location());
Standard_Real aRadius = myCircle.Radius();
return Abs (anAnchorDist - aRadius) > Precision::Confusion()
&& aCirclePlane.Contains (theAnchor, Precision::Confusion());
}
//=======================================================================
//function : GetTextPosition
//purpose :
//=======================================================================
const gp_Pnt AIS_DiameterDimension::GetTextPosition() const
{
if (IsTextPositionCustom())
{
return myFixedTextPosition;
}
// Counts text position according to the dimension parameters
return GetTextPositionForLinear (myAnchorPoint, myCircle.Location());
}
//=======================================================================
//function : GetTextPosition
//purpose :
//=======================================================================
void AIS_DiameterDimension::SetTextPosition (const gp_Pnt& theTextPos)
{
if (!IsValid())
{
return;
}
myIsTextPositionFixed = Standard_True;
myFixedTextPosition = theTextPos;
SetToUpdate();
}