1 // Copyright (C) 2005-2008 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
19 // LIGHT : sample (no-corba-engine) SALOME module
20 // File : LIGHTGUI_TextPrs.cxx
21 // Author : Natalia DONIS
23 #include "LIGHTGUI_TextPrs.hxx"
25 #include <Prs3d_Root.hxx>
26 #include <Graphic3d_Group.hxx>
27 #include <Graphic3d_Vertex.hxx>
28 #include <SelectMgr_Selection.hxx>
29 #include <SelectMgr_EntityOwner.hxx>
30 #include <Select3D_SensitivePoint.hxx>
33 \class LIGHTGUI_TextPrs
34 \brief Presentation object for the string line.
37 IMPLEMENT_STANDARD_HANDLE( LIGHTGUI_TextPrs, AIS_InteractiveObject )
38 IMPLEMENT_STANDARD_RTTIEXT( LIGHTGUI_TextPrs, AIS_InteractiveObject )
40 const Standard_Integer aCharSize = 16;
44 \param theString text string
45 \param thePos text position in the viewer
47 LIGHTGUI_TextPrs::LIGHTGUI_TextPrs( const char* theString, const gp_Pnt& thePos )
50 myString = new char[strlen( theString ) + 1];
51 strcpy( myString, theString );
57 LIGHTGUI_TextPrs::~LIGHTGUI_TextPrs()
63 \brief Get presentation text size.
65 int LIGHTGUI_TextPrs::TextSize()
71 \brief Compute the presentation.
72 \param prsMgr presentation manager (not used)
73 \param thePrs presentation
74 \param mode display mode
76 void LIGHTGUI_TextPrs::Compute( const Handle(PrsMgr_PresentationManager3d)& /*prsMgr*/,
77 const Handle(Prs3d_Presentation)& thePrs,
78 const Standard_Integer /*mode*/ )
80 Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup( thePrs );
81 aGroup->BeginPrimitives();
82 Graphic3d_Vertex aTextPos;
83 // aTextPos.SetCoord( myPos.X(), aPos.Y(), aPos.Z() );
84 aTextPos.SetCoord( myPos.X(), myPos.Y(), myPos.Z() );
85 aGroup->Marker( aTextPos );
86 // aGroup->Text( aNodeIter.Value().ToCString(), aTextPos, aCharSize );
87 aGroup->Text( myString, aTextPos, aCharSize );
88 aGroup->EndPrimitives();
92 \brief Compute selection of the presentation.
93 \param theSelection current selection object
94 \param mode display mode
96 void LIGHTGUI_TextPrs::ComputeSelection( const Handle(SelectMgr_Selection)& theSelection,
97 const Standard_Integer /*mode*/ )
99 Handle(SelectMgr_EntityOwner) eown = new SelectMgr_EntityOwner(this);
100 eown -> SelectBasics_EntityOwner::Set( aCharSize );
101 Handle(Select3D_SensitivePoint) seg = new Select3D_SensitivePoint(eown, myPos);
102 // Handle(Select3D_SensitiveSegment) seg = new Select3D_SensitiveSegment(eown, myPos,
103 // myPos.Translated( gp_Vec( strlen( myString ) * aCharSize, 0, 0 ) ) );
104 theSelection->Add(seg);