1 // Created on: 1994-10-03 2 // Created by: Arnaud BOUZY 3 // Copyright (c) 1994-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 8 // This library is free software; you can redistribute it and/or modify it under 9 // the terms of the GNU Lesser General Public License version 2.1 as published 10 // by the Free Software Foundation, with special exception defined in the file 11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 12 // distribution for complete text of the license and disclaimer of any warranty. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _DsgPrs_HeaderFile 18 #define _DsgPrs_HeaderFile 19 20 #include <DsgPrs_ArrowSide.hxx> 21 #include <gp_Dir.hxx> 22 #include <gp_Pnt.hxx> 23 #include <gp_Circ.hxx> 24 #include <gp_Elips.hxx> 25 #include <Prs3d_Presentation.hxx> 26 27 class Geom_Curve; 28 class Geom_Surface; 29 class Prs3d_DimensionAspect; 30 31 //! Describes Standard Presentations for DsgIHM objects 32 class DsgPrs 33 { 34 public: 35 36 DEFINE_STANDARD_ALLOC 37 38 //! draws symbols ((one or two) arrows,(one or two)points 39 //! at thebeginning and at the end of the dimension 40 Standard_EXPORT static void ComputeSymbol (const Handle(Prs3d_Presentation)& aPresentation, const Handle(Prs3d_DimensionAspect)& anAspect, const gp_Pnt& pt1, const gp_Pnt& pt2, const gp_Dir& dir1, const gp_Dir& dir2, const DsgPrs_ArrowSide ArrowSide, const Standard_Boolean drawFromCenter = Standard_True); 41 42 Standard_EXPORT static void ComputePlanarFacesLengthPresentation (const Standard_Real FirstArrowLength, const Standard_Real SecondArrowLength, const gp_Pnt& AttachmentPoint1, const gp_Pnt& AttachmentPoint2, const gp_Dir& DirAttach, const gp_Pnt& OffsetPoint, const gp_Pln& PlaneOfFaces, gp_Pnt& EndOfArrow1, gp_Pnt& EndOfArrow2, gp_Dir& DirOfArrow1); 43 44 Standard_EXPORT static void ComputeCurvilinearFacesLengthPresentation (const Standard_Real FirstArrowLength, const Standard_Real SecondArrowLength, const Handle(Geom_Surface)& SecondSurf, const gp_Pnt& AttachmentPoint1, const gp_Pnt& AttachmentPoint2, const gp_Dir& DirAttach, gp_Pnt& EndOfArrow2, gp_Dir& DirOfArrow1, Handle(Geom_Curve)& VCurve, Handle(Geom_Curve)& UCurve, Standard_Real& FirstU, Standard_Real& deltaU, Standard_Real& FirstV, Standard_Real& deltaV); 45 46 Standard_EXPORT static void ComputeFacesAnglePresentation (const Standard_Real ArrowLength, const Standard_Real Value, const gp_Pnt& CenterPoint, const gp_Pnt& AttachmentPoint1, const gp_Pnt& AttachmentPoint2, const gp_Dir& dir1, const gp_Dir& dir2, const gp_Dir& axisdir, const Standard_Boolean isPlane, const gp_Ax1& AxisOfSurf, const gp_Pnt& OffsetPoint, gp_Circ& AngleCirc, Standard_Real& FirstParAngleCirc, Standard_Real& LastParAngleCirc, gp_Pnt& EndOfArrow1, gp_Pnt& EndOfArrow2, gp_Dir& DirOfArrow1, gp_Dir& DirOfArrow2, gp_Pnt& ProjAttachPoint2, gp_Circ& AttachCirc, Standard_Real& FirstParAttachCirc, Standard_Real& LastParAttachCirc); 47 48 Standard_EXPORT static void ComputeRadiusLine (const gp_Pnt& aCenter, const gp_Pnt& anEndOfArrow, const gp_Pnt& aPosition, const Standard_Boolean drawFromCenter, gp_Pnt& aRadLineOrign, gp_Pnt& aRadLineEnd); 49 50 //! computes Geometry for fillet radius presentation; 51 //! special case flag SpecCase equal Standard_True if 52 //! radius of fillet circle = 0 or if anngle between 53 //! Vec1(Center, FirstPoint) and Vec2(Center,SecondPoint) equal 0 or PI 54 Standard_EXPORT static void ComputeFilletRadiusPresentation (const Standard_Real ArrowLength, const Standard_Real Value, const gp_Pnt& Position, const gp_Dir& NormalDir, const gp_Pnt& FirstPoint, const gp_Pnt& SecondPoint, const gp_Pnt& Center, const gp_Pnt& BasePnt, const Standard_Boolean drawRevers, Standard_Boolean& SpecCase, gp_Circ& FilletCirc, Standard_Real& FirstParCirc, Standard_Real& LastParCirc, gp_Pnt& EndOfArrow, gp_Dir& DirOfArrow, gp_Pnt& DrawPosition); 55 56 //! computes length of ellipse arc in parametric units 57 Standard_EXPORT static Standard_Real DistanceFromApex (const gp_Elips& elips, const gp_Pnt& Apex, const Standard_Real par); 58 59 }; 60 61 #endif // _DsgPrs_HeaderFile 62