0031668: Visualization - WebGL sample doesn't work on Emscripten 1.39
[occt.git] / src / IVtkOCC / IVtkOCC_ViewerSelector.hxx
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913a4c4a 1// Created on: 2011-10-20
2// Created by: Roman KOZLOV
3// Copyright (c) 2011-2014 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
16#ifndef __IVTKOCC_VIEWERSELECTOR_H__
17#define __IVTKOCC_VIEWERSELECTOR_H__
18
19#include <IVtk_IView.hxx>
913a4c4a 20#include <SelectMgr_Selection.hxx>
21#include <SelectMgr_ViewerSelector.hxx>
22
23// -----------------------------------------------------------------------------
24//! @class IVtkOCC_ViewerSelector
25//! @brief Class that implements OCCT selection algorithm.
26//!
27//! Inspired by StdSelect_ViewerSelector3d class from OCCT 6.5.1
28
29class IVtkOCC_ViewerSelector : public SelectMgr_ViewerSelector
30{
31public:
32 IVtkOCC_ViewerSelector();
33
a2f76b15 34 virtual ~IVtkOCC_ViewerSelector();
35
913a4c4a 36 //! Implements point picking
37 //! @param [in] theXPix, theYPix Display coordinates of the point
38 //! @param [in] theView ICamera interface to update the projection parameters.
39 void Pick (const Standard_Integer theXPix,
40 const Standard_Integer theYPix,
41 const IVtk_IView::Handle& theView);
42
43 //! Picking by rectangle
44 //! @param [in] theXMin, theYMin, theXMax, theYMax Rectangle coords
45 //! @param [in] theView ICamera interface to calculate projections
46 void Pick (const Standard_Integer theXMin,
47 const Standard_Integer theYMin,
48 const Standard_Integer theXMax,
49 const Standard_Integer theYMax,
50 const IVtk_IView::Handle& theView);
51
52 //! Implements point picking
53 void Pick (double** thePoly, const int theNbPoints, const IVtk_IView::Handle& theView);
54
55 //! Activates the given selection
f751596e 56 void Activate (const Handle(SelectMgr_Selection)& theSelection);
913a4c4a 57
58 //! Deactivate the given selection
59 void Deactivate (const Handle(SelectMgr_Selection)& theSelection);
60
92efcf78 61 DEFINE_STANDARD_RTTIEXT(IVtkOCC_ViewerSelector,SelectMgr_ViewerSelector)
913a4c4a 62
63private:
913a4c4a 64 Standard_Integer myPixTol;
913a4c4a 65 Standard_Boolean myToUpdateTol;
66};
67
68DEFINE_STANDARD_HANDLE( IVtkOCC_ViewerSelector, SelectMgr_ViewerSelector )
69#endif // __IVTKOCC_VIEWERSELECTOR_H__