0030532: Visualization - Manipulator for dragging within a plane

Added dragging sectors to Manipulator presentation.
Test added.

src/Prs3d/FILES

@@ -53,6 +53,8 @@ Prs3d_ToolCylinder.hxx
 Prs3d_ToolCylinder.cxx
 Prs3d_ToolQuadric.hxx
 Prs3d_ToolQuadric.cxx
+Prs3d_ToolSector.hxx
+Prs3d_ToolSector.cxx
 Prs3d_ToolSphere.hxx
 Prs3d_ToolSphere.cxx
 Prs3d_TypeOfHighlight.hxx

src/Prs3d/Prs3d_ToolSector.cxx

@@ -0,0 +1,70 @@
+// Created on: 2019-02-25
+// Created by: Artem NOVIKOV
+// Copyright (c) 2019 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 <Prs3d_ToolSector.hxx>
+
+#include <Graphic3d_ArrayOfTriangles.hxx>
+#include <Poly_Array1OfTriangle.hxx>
+#include <Prs3d_ToolQuadric.hxx>
+
+//=======================================================================
+//function : Constructor
+//purpose  :
+//=======================================================================
+Prs3d_ToolSector::Prs3d_ToolSector (const Standard_Real    theRadius,
+                                    const Standard_Integer theNbSlices,
+                                    const Standard_Integer theNbStacks)
+: myRadius (theRadius)
+{
+  mySlicesNb = theNbSlices;
+  myStacksNb = theNbStacks;
+}
+
+//=======================================================================
+//function : Vertex
+//purpose  :
+//=======================================================================
+gp_Pnt Prs3d_ToolSector::Vertex (const Standard_Real theU, const Standard_Real theV)
+{
+  const Standard_Real aU      = theU * M_PI / 2.0;
+  const Standard_Real aRadius = myRadius * theV;
+  return gp_Pnt (Cos (aU) * aRadius,
+                 Sin (aU) * aRadius,
+                 0.0);
+}
+
+//=======================================================================
+//function : Add
+//purpose  :
+//=======================================================================
+gp_Dir Prs3d_ToolSector::Normal (const Standard_Real /*theU*/, const Standard_Real /*theV*/)
+{
+  return gp_Dir (0.0, 0.0, -1.0);
+}
+
+//=======================================================================
+//function : Perform
+//purpose  :
+//=======================================================================
+Handle(Graphic3d_ArrayOfTriangles) Prs3d_ToolSector::Create (const Standard_Real    theRadius,
+                                                             const Standard_Integer theNbSlices,
+                                                             const Standard_Integer theNbStacks,
+                                                             const gp_Trsf&         theTrsf)
+{
+  Handle(Graphic3d_ArrayOfTriangles) anArray;
+  Prs3d_ToolSector aTool (theRadius, theNbSlices, theNbStacks);
+  aTool.FillArray (anArray, theTrsf);
+  return anArray;
+}

src/Prs3d/Prs3d_ToolSector.hxx

@@ -0,0 +1,52 @@
+// Created on: 2019-02-25
+// Created by: Artem NOVIKOV
+// Copyright (c) 2019 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.
+
+#ifndef _Prs3d_ToolSector_HeaderFile
+#define _Prs3d_ToolSector_HeaderFile
+
+#include <Standard.hxx>
+#include <Prs3d_ToolQuadric.hxx>
+
+//! Standard presentation algorithm that outputs graphical primitives for disk surface.
+class Prs3d_ToolSector : public Prs3d_ToolQuadric
+{
+public:
+
+  //! Generate primitives for 3D quadric surface and return a filled array.
+  Standard_EXPORT static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real    theRadius,
+                                                                    const Standard_Integer theNbSlices,
+                                                                    const Standard_Integer theNbStacks,
+                                                                    const gp_Trsf&         theTrsf);
+public:
+
+  //! Initializes the algorithm.
+  Standard_EXPORT Prs3d_ToolSector (const Standard_Real    theRadius,
+                                    const Standard_Integer theNbSlices,
+                                    const Standard_Integer theNbStacks);
+protected:
+
+  //! Computes vertex at given parameter location of the surface.
+  Standard_EXPORT virtual gp_Pnt Vertex (const Standard_Real theU, const Standard_Real theV) Standard_OVERRIDE;
+
+  //! Computes normal at given parameter location of the surface.
+  Standard_EXPORT virtual gp_Dir Normal (const Standard_Real theU, const Standard_Real theV) Standard_OVERRIDE;
+
+protected:
+
+  Standard_Real myRadius;
+
+};
+
+#endif