1 // Copyright (C) 2005-2013 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>
33 #include <Basics_OCCTVersion.hxx>
35 #if OCC_VERSION_LARGE > 0x060505
36 #include <Graphic3d_ArrayOfPoints.hxx>
40 \class LIGHTGUI_TextPrs
41 \brief Presentation object for the string line.
44 IMPLEMENT_STANDARD_HANDLE( LIGHTGUI_TextPrs, AIS_InteractiveObject )
45 IMPLEMENT_STANDARD_RTTIEXT( LIGHTGUI_TextPrs, AIS_InteractiveObject )
47 const Standard_Integer aCharSize = 16;
51 \param theString text string
52 \param thePos text position in the viewer
54 LIGHTGUI_TextPrs::LIGHTGUI_TextPrs( const char* theString, const gp_Pnt& thePos )
57 myString = new char[strlen( theString ) + 1];
58 strcpy( myString, theString );
64 LIGHTGUI_TextPrs::~LIGHTGUI_TextPrs()
70 \brief Get presentation text size.
72 int LIGHTGUI_TextPrs::TextSize()
78 \brief Compute the presentation.
79 \param prsMgr presentation manager (not used)
80 \param thePrs presentation
81 \param mode display mode
83 void LIGHTGUI_TextPrs::Compute( const Handle(PrsMgr_PresentationManager3d)& /*prsMgr*/,
84 const Handle(Prs3d_Presentation)& thePrs,
85 const Standard_Integer /*mode*/ )
87 Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup( thePrs );
88 #if OCC_VERSION_LARGE <= 0x060504
89 aGroup->BeginPrimitives();
91 Graphic3d_Vertex aTextPos;
92 // aTextPos.SetCoord( myPos.X(), aPos.Y(), aPos.Z() );
93 aTextPos.SetCoord( myPos.X(), myPos.Y(), myPos.Z() );
94 #if OCC_VERSION_LARGE <= 0x060505
95 aGroup->Marker( aTextPos );
97 Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
98 anArrayOfPoints->AddVertex(myPos.X(), myPos.Y(), myPos.Z());
99 aGroup->AddPrimitiveArray(anArrayOfPoints);
101 // aGroup->Text( aNodeIter.Value().ToCString(), aTextPos, aCharSize );
102 aGroup->Text( myString, aTextPos, aCharSize );
103 #if OCC_VERSION_LARGE <= 0x060504
104 aGroup->EndPrimitives();
109 \brief Compute selection of the presentation.
110 \param theSelection current selection object
111 \param mode display mode
113 void LIGHTGUI_TextPrs::ComputeSelection( const Handle(SelectMgr_Selection)& theSelection,
114 const Standard_Integer /*mode*/ )
116 Handle(SelectMgr_EntityOwner) eown = new SelectMgr_EntityOwner(this);
117 eown -> SelectBasics_EntityOwner::Set( aCharSize );
118 Handle(Select3D_SensitivePoint) seg = new Select3D_SensitivePoint(eown, myPos);
119 // Handle(Select3D_SensitiveSegment) seg = new Select3D_SensitiveSegment(eown, myPos,
120 // myPos.Translated( gp_Vec( strlen( myString ) * aCharSize, 0, 0 ) ) );
121 theSelection->Add(seg);