src/DsgPrs/DsgPrs_DatumPrs.cxx

   1 // Copyright (c) 2013-2014 OPEN CASCADE SAS
   2 //
   3 // This file is part of Open CASCADE Technology software library.
   4 //
   5 // This library is free software; you can redistribute it and/or modify it under
   6 // the terms of the GNU Lesser General Public License version 2.1 as published
   7 // by the Free Software Foundation, with special exception defined in the file
   8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
   9 // distribution for complete text of the license and disclaimer of any warranty.
  10 //
  11 // Alternatively, this file may be used under the terms of Open CASCADE
  12 // commercial license or contractual agreement.
  13
  14 #include <DsgPrs_DatumPrs.hxx>
  15 #include <gp_Dir.hxx>
  16 #include <gp_Pnt.hxx>
  17 #include <gp_Ax2.hxx>
  18 #include <Graphic3d_Group.hxx>
  19 #include <Graphic3d_AspectLine3d.hxx>
  20 #include <Graphic3d_ArrayOfSegments.hxx>
  21 #include <Prs3d_Arrow.hxx>
  22 #include <Prs3d_LineAspect.hxx>
  23 #include <Prs3d_DatumAspect.hxx>
  24 #include <Prs3d_TextAspect.hxx>
  25 #include <Prs3d_ArrowAspect.hxx>
  26
  27 void DsgPrs_DatumPrs::Add (const Handle(Prs3d_Presentation)& thePresentation,
  28                            const gp_Ax2&                     theDatum,
  29                            const Handle(Prs3d_Drawer)&       theDrawer)
  30 {
  31   Handle(Prs3d_DatumAspect) aDatumAspect = theDrawer->DatumAspect();
  32   Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup(thePresentation);
  33
  34   Quantity_Color aColor;
  35   Aspect_TypeOfLine aTypeOfLine;
  36   Standard_Real aWidth;
  37   aDatumAspect->FirstAxisAspect()->Aspect()->Values(aColor, aTypeOfLine, aWidth);
  38
  39   gp_Ax2 anAxis(theDatum);
  40   gp_Pnt anOrigin = anAxis.Location();
  41   gp_Dir aXDir = anAxis.XDirection();
  42   gp_Dir aYDir = anAxis.YDirection();
  43   gp_Dir aZDir = anAxis.Direction();
  44
  45   Quantity_Length anAxisLength;
  46   Quantity_Length anArrowAngle = theDrawer->ArrowAspect()->Angle();
  47
  48   const Standard_Boolean toDrawLabels = theDrawer->DatumAspect()->ToDrawLabels();
  49
  50   Handle(Graphic3d_ArrayOfSegments) aPrims;
  51   if (aDatumAspect->DrawFirstAndSecondAxis())
  52   {
  53     anAxisLength = aDatumAspect->FirstAxisLength();
  54     const gp_Pnt aPoint1(anOrigin.XYZ() + aXDir.XYZ()*anAxisLength);
  55
  56     aGroup->SetPrimitivesAspect(aDatumAspect->FirstAxisAspect()->Aspect());
  57     aPrims = new Graphic3d_ArrayOfSegments(2);
  58     aPrims->AddVertex(anOrigin);
  59     aPrims->AddVertex(aPoint1);
  60     aGroup->AddPrimitiveArray(aPrims);
  61
  62     aGroup->SetPrimitivesAspect(theDrawer->ArrowAspect()->Aspect());
  63     Prs3d_Arrow::Draw(thePresentation,aPoint1,aXDir,anArrowAngle,anAxisLength/10.);
  64     aGroup->SetPrimitivesAspect(theDrawer->TextAspect()->Aspect());
  65     Graphic3d_Vertex aVertex1(aPoint1.X(),aPoint1.Y(),aPoint1.Z());
  66     if (toDrawLabels)
  67     {
  68       aGroup->Text (Standard_CString ("X"), aVertex1, 16.0);
  69     }
  70
  71     anAxisLength = aDatumAspect->SecondAxisLength();
  72     const gp_Pnt aPoint2(anOrigin.XYZ() + aYDir.XYZ()*anAxisLength);
  73
  74     aGroup->SetPrimitivesAspect(aDatumAspect->SecondAxisAspect()->Aspect());
  75     aPrims = new Graphic3d_ArrayOfSegments(2);
  76     aPrims->AddVertex(anOrigin);
  77     aPrims->AddVertex(aPoint2);
  78     aGroup->AddPrimitiveArray(aPrims);
  79
  80     aGroup->SetPrimitivesAspect(theDrawer->ArrowAspect()->Aspect());
  81     Prs3d_Arrow::Draw(thePresentation,aPoint2,aYDir,anArrowAngle,anAxisLength/10.);
  82     aGroup->SetPrimitivesAspect(theDrawer->TextAspect()->Aspect());
  83     Graphic3d_Vertex aVertex2(aPoint2.X(),aPoint2.Y(),aPoint2.Z());
  84     if (toDrawLabels)
  85     {
  86       aGroup->Text (Standard_CString ("Y"), aVertex2, 16.0);
  87     }
  88   }
  89   if (aDatumAspect->DrawThirdAxis())
  90   {
  91     anAxisLength = aDatumAspect->ThirdAxisLength();
  92     const gp_Pnt aPoint3(anOrigin.XYZ() + aZDir.XYZ()*anAxisLength);
  93
  94     aGroup->SetPrimitivesAspect(aDatumAspect->ThirdAxisAspect()->Aspect());
  95     aPrims = new Graphic3d_ArrayOfSegments(2);
  96     aPrims->AddVertex(anOrigin);
  97     aPrims->AddVertex(aPoint3);
  98     aGroup->AddPrimitiveArray(aPrims);
  99
 100     aGroup->SetPrimitivesAspect(theDrawer->ArrowAspect()->Aspect());
 101     Prs3d_Arrow::Draw(thePresentation,aPoint3,aZDir,anArrowAngle,anAxisLength/10.);
 102     aGroup->SetPrimitivesAspect(theDrawer->TextAspect()->Aspect());
 103     Graphic3d_Vertex aVertex3(aPoint3.X(),aPoint3.Y(),aPoint3.Z());
 104     if (toDrawLabels)
 105     {
 106       aGroup->Text (Standard_CString ("Z"), aVertex3, 16.0);
 107     }
 108   }
 109 }