1 // Copyright (C) 2005-2012 OPEN CASCADE
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 // LIGHT : sample (no-corba-engine) SALOME module
21 // File : LIGHTGUI_TextPrs.cxx
22 // Author : Natalia DONIS
24 #include "LIGHTGUI_TextPrs.hxx"
26 #include <Prs3d_Root.hxx>
27 #include <Graphic3d_Group.hxx>
28 #include <Graphic3d_Vertex.hxx>
29 #include <SelectMgr_Selection.hxx>
30 #include <SelectMgr_EntityOwner.hxx>
31 #include <Select3D_SensitivePoint.hxx>
34 \class LIGHTGUI_TextPrs
35 \brief Presentation object for the string line.
38 IMPLEMENT_STANDARD_HANDLE( LIGHTGUI_TextPrs, AIS_InteractiveObject )
39 IMPLEMENT_STANDARD_RTTIEXT( LIGHTGUI_TextPrs, AIS_InteractiveObject )
41 const Standard_Integer aCharSize = 16;
45 \param theString text string
46 \param thePos text position in the viewer
48 LIGHTGUI_TextPrs::LIGHTGUI_TextPrs( const char* theString, const gp_Pnt& thePos )
51 myString = new char[strlen( theString ) + 1];
52 strcpy( myString, theString );
58 LIGHTGUI_TextPrs::~LIGHTGUI_TextPrs()
64 \brief Get presentation text size.
66 int LIGHTGUI_TextPrs::TextSize()
72 \brief Compute the presentation.
73 \param prsMgr presentation manager (not used)
74 \param thePrs presentation
75 \param mode display mode
77 void LIGHTGUI_TextPrs::Compute( const Handle(PrsMgr_PresentationManager3d)& /*prsMgr*/,
78 const Handle(Prs3d_Presentation)& thePrs,
79 const Standard_Integer /*mode*/ )
81 Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup( thePrs );
82 aGroup->BeginPrimitives();
83 Graphic3d_Vertex aTextPos;
84 // aTextPos.SetCoord( myPos.X(), aPos.Y(), aPos.Z() );
85 aTextPos.SetCoord( myPos.X(), myPos.Y(), myPos.Z() );
86 aGroup->Marker( aTextPos );
87 // aGroup->Text( aNodeIter.Value().ToCString(), aTextPos, aCharSize );
88 aGroup->Text( myString, aTextPos, aCharSize );
89 aGroup->EndPrimitives();
93 \brief Compute selection of the presentation.
94 \param theSelection current selection object
95 \param mode display mode
97 void LIGHTGUI_TextPrs::ComputeSelection( const Handle(SelectMgr_Selection)& theSelection,
98 const Standard_Integer /*mode*/ )
100 Handle(SelectMgr_EntityOwner) eown = new SelectMgr_EntityOwner(this);
101 eown -> SelectBasics_EntityOwner::Set( aCharSize );
102 Handle(Select3D_SensitivePoint) seg = new Select3D_SensitivePoint(eown, myPos);
103 // Handle(Select3D_SensitiveSegment) seg = new Select3D_SensitiveSegment(eown, myPos,
104 // myPos.Translated( gp_Vec( strlen( myString ) * aCharSize, 0, 0 ) ) );
105 theSelection->Add(seg);