src/Prs3d/Prs3d_Point.hxx

   1 // Copyright (c) 2013 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
   6 // under the terms of the GNU Lesser General Public 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
  18 #include <Graphic3d_ArrayOfPoints.hxx>
  19 #include <Graphic3d_Vertex.hxx>
  20 #include <Graphic3d_Group.hxx>
  21 #include <Prs3d_Drawer.hxx>
  22 #include <Prs3d_PointAspect.hxx>
  23 #include <Prs3d_Root.hxx>
  24 #include <Quantity_Length.hxx>
  25
  26 template <class AnyPoint, class PointTool>
  27 class Prs3d_Point : Prs3d_Root
  28 {
  29 public:
  30   DEFINE_STANDARD_ALLOC
  31
  32 private:
  33   Standard_EXPORT static void DrawPoint
  34                  (const AnyPoint& thePoint,
  35                   const Handle(Graphic3d_Group) theGroup)
  36   {
  37     Quantity_Length aX,aY,aZ;
  38     PointTool::Coord(thePoint,aX,aY,aZ);
  39     Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
  40     anArrayOfPoints->AddVertex (aX, aY, aZ);
  41     theGroup->AddPrimitiveArray (anArrayOfPoints);
  42   }
  43
  44 public:
  45   Standard_EXPORT static void Add
  46                  (const Handle (Prs3d_Presentation)& thePresentation,
  47                   const AnyPoint& thePoint,
  48                   const Handle (Prs3d_Drawer)& theDrawer)
  49   {
  50     Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup(thePresentation);
  51     aGroup->SetPrimitivesAspect(theDrawer->PointAspect()->Aspect());
  52     DrawPoint(thePoint, aGroup);
  53   }
  54
  55   Standard_EXPORT static Standard_Boolean Match
  56                   (const AnyPoint& thePoint,
  57                   const Quantity_Length theX,
  58                   const Quantity_Length theY,
  59                   const Quantity_Length theZ,
  60                   const Quantity_Length theDistance)
  61   {
  62     Quantity_Length aX,aY,aZ;
  63     PointTool::Coord(thePoint, aX, aY, aZ);
  64     return Sqrt((theX - aX)*(theX - aX) + (theY - aY)*(theY - aY)
  65                  + (theZ - aZ)*(theZ - aZ)) <= theDistance;
  66   }
  67 };
  68 #endif