src/Prs3d/Prs3d_Point.hxx

   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 #ifndef _Prs3d_Point_H__
  15 #define _Prs3d_Point_H__
  16
  17 #include <Graphic3d_ArrayOfPoints.hxx>
  18 #include <Graphic3d_Vertex.hxx>
  19 #include <Graphic3d_Group.hxx>
  20 #include <Prs3d_Drawer.hxx>
  21 #include <Prs3d_PointAspect.hxx>
  22 #include <Prs3d_Root.hxx>
  23
  24 template <class AnyPoint, class PointTool>
  25 class Prs3d_Point : Prs3d_Root
  26 {
  27 public:
  28   DEFINE_STANDARD_ALLOC
  29
  30 private:
  31   Standard_EXPORT static void DrawPoint
  32                  (const AnyPoint& thePoint,
  33                   const Handle(Graphic3d_Group) theGroup)
  34   {
  35     Standard_Real aX,aY,aZ;
  36     PointTool::Coord(thePoint,aX,aY,aZ);
  37     Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
  38     anArrayOfPoints->AddVertex (aX, aY, aZ);
  39     theGroup->AddPrimitiveArray (anArrayOfPoints);
  40   }
  41
  42 public:
  43   Standard_EXPORT static void Add
  44                  (const Handle (Prs3d_Presentation)& thePresentation,
  45                   const AnyPoint& thePoint,
  46                   const Handle (Prs3d_Drawer)& theDrawer)
  47   {
  48     Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup(thePresentation);
  49     aGroup->SetPrimitivesAspect(theDrawer->PointAspect()->Aspect());
  50     DrawPoint(thePoint, aGroup);
  51   }
  52
  53   Standard_EXPORT static Standard_Boolean Match
  54                   (const AnyPoint& thePoint,
  55                   const Standard_Real theX,
  56                   const Standard_Real theY,
  57                   const Standard_Real theZ,
  58                   const Standard_Real theDistance)
  59   {
  60     Standard_Real aX,aY,aZ;
  61     PointTool::Coord(thePoint, aX, aY, aZ);
  62     return Sqrt((theX - aX)*(theX - aX) + (theY - aY)*(theY - aY)
  63                  + (theZ - aZ)*(theZ - aZ)) <= theDistance;
  64   }
  65 };
  66
  67 #endif