1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, 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, or (at your option) any later version.
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
25 #include <OpenGL/gl.h>
30 #include "OCCViewer_Trihedron.h"
33 #include <SUIT_ResourceMgr.h>
34 #include <SUIT_Session.h>
36 #include <Graphic3d_AspectFillArea3d.hxx>
37 #include <Graphic3d_Group.hxx>
38 #include <Graphic3d_MaterialAspect.hxx>
39 #include <Prs3d_Presentation.hxx>
40 #include <Prs3d_Root.hxx>
41 #include <PrsMgr_PresentationManager3d.hxx>
44 #if !defined WIN32 && !defined __APPLE__
50 #define PI 3.14159265359
52 IMPLEMENT_STANDARD_RTTIEXT( OCCViewer_Trihedron, AIS_InteractiveObject )
57 OCCViewer_Trihedron::OCCViewer_Trihedron( const PrsMgr_TypeOfPresentation3d t )
58 : AIS_InteractiveObject( t ),
66 OCCViewer_Trihedron::~OCCViewer_Trihedron()
69 glDeleteLists( myTextList, 256 );
73 * Sets the bounding box (MinMax values).
75 void OCCViewer_Trihedron::bounds( Graphic3d_BndBox4f& theMinMax ) const
77 Graphic3d_Vec4 aMinPt (-1.f, -1.f, -1.f, 1.f);
78 Graphic3d_Vec4 aMaxPt (1.f, 1.f, 1.f, 1.f);
80 theMinMax.Add (aMinPt);
81 theMinMax.Add (aMaxPt);
85 * Redefined method. Calculates the object presentation.
87 void OCCViewer_Trihedron::Compute( const Handle( PrsMgr_PresentationManager3d )&,
88 const Handle( Prs3d_Presentation )& aPrs,
89 const Standard_Integer aMode )
94 Handle( Graphic3d_Group ) aGroup = Prs3d_Root::CurrentGroup( aPrs );
95 aGroup->UserDraw( this );
99 * Redefined method. Does nothing.
101 void OCCViewer_Trihedron::ComputeSelection( const Handle( SelectMgr_Selection )& theSelection,
102 const Standard_Integer theMode )
107 * Generates text list.
109 GLuint generateTextList()
112 GLuint aList = glGenLists( 256 );
115 HGLRC hglrc = wglGetCurrentContext();
118 HDC hdc = ::wglGetCurrentDC();
119 HFONT font = CreateFont( -12, 0, 0, 0,
126 FF_DONTCARE | DEFAULT_PITCH,
128 HFONT oldFont = (HFONT)SelectObject( hdc, font );
130 ok = ::wglUseFontBitmaps( hdc, 0, 256, aList );
131 SelectObject( hdc, oldFont );
132 DeleteObject( font );
134 #elif !defined(__APPLE__) // X Window
135 Display* dpy = glXGetCurrentDisplay();
139 char** aFontList = XListFonts( dpy, "*-courier-*", 1, &aFontCount );
142 //XFontStruct* fontInfo = XLoadQueryFont( dpy, "-*-courier-*-r-*-*-14-*-*-*-m-*-*-*" );
143 Font aFont = XLoadFont( dpy, aFontList[0] );
144 glXUseXFont( aFont, 0, 256, aList );
145 XUnloadFont( dpy, aFont );
148 XFreeFontNames( aFontList );
153 glDeleteLists( aList, 256 );
161 void drawText( GLuint theTextList, const char* theText, GLdouble thePosition[3], GLfloat theColor[3] )
163 glColor3fv( theColor );
164 glRasterPos3dv( thePosition );
165 glListBase( theTextList );
166 glCallLists( strlen( theText ), GL_UNSIGNED_BYTE, (GLubyte*)theText );
170 * Displays trihedron.
172 void OCCViewer_Trihedron::display()
174 GLdouble TriedronOrigin[3] = { 0.0, 0.0, 0.0 };
176 GLdouble TriedronAxeX[3] = { 1.0, 0.0, 0.0 };
177 GLdouble TriedronAxeY[3] = { 0.0, 1.0, 0.0 };
178 GLdouble TriedronAxeZ[3] = { 0.0, 0.0, 1.0 };
180 GLfloat TriedronColorX[3] = { 1.0, 0.0, 0.0 };
181 GLfloat TriedronColorY[3] = { 0.0, 1.0, 0.0 };
182 GLfloat TriedronColorZ[3] = { 0.0, 0.0, 1.0 };
184 GLfloat TriedronLetterColorX[3] = { 1.0, 1.0, 1.0 };
185 GLfloat TriedronLetterColorY[3] = { 1.0, 1.0, 1.0 };
186 GLfloat TriedronLetterColorZ[3] = { 1.0, 1.0, 1.0 };
188 GLfloat TriedronLineWidth = 2.0;
189 GLdouble TriedronScale = 0.15;
191 GLdouble U, V, minUV;
193 glGetIntegerv(GL_VIEWPORT, aViewPort);
202 GLdouble L = minUV * TriedronScale;
204 TriedronOrigin[0]= 0.0;
205 TriedronOrigin[1]= 0.0;
206 TriedronOrigin[2]= 0.0;
208 TriedronAxeX[0] = TriedronOrigin[0] + L;
209 TriedronAxeX[1] = TriedronOrigin[1] + 0.0;
210 TriedronAxeX[2] = TriedronOrigin[2] + 0.0;
212 TriedronAxeY[0] = TriedronOrigin[0] + 0.0;
213 TriedronAxeY[1] = TriedronOrigin[1] + L;
214 TriedronAxeY[2] = TriedronOrigin[2] + 0.0;
216 TriedronAxeZ[0] = TriedronOrigin[0] + 0.0;
217 TriedronAxeZ[1] = TriedronOrigin[1] + 0.0;
218 TriedronAxeZ[2] = TriedronOrigin[2] + L;
220 glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT | GL_LIGHTING_BIT | GL_LINE_BIT | GL_VIEWPORT_BIT );
222 glDepthRange( 0, 0 );
223 glDisable( GL_LIGHTING );
224 glDisable( GL_COLOR_MATERIAL );
225 for( int i = 0; i < GL_MAX_CLIP_PLANES; i++ )
226 glDisable( GL_CLIP_PLANE0 + i );
228 glLineWidth( TriedronLineWidth );
230 glColor3fv( TriedronColorX );
232 glVertex3dv( TriedronOrigin );
233 glVertex3dv( TriedronAxeX );
236 glColor3fv( TriedronColorY );
238 glVertex3dv( TriedronOrigin );
239 glVertex3dv( TriedronAxeY );
242 glColor3fv( TriedronColorZ );
244 glVertex3dv( TriedronOrigin );
245 glVertex3dv( TriedronAxeZ );
248 GLdouble l = L - L/4.;
249 GLdouble rayon = L/20.;
250 GLint ii, NbFacettes = 12;
251 GLdouble Angle = 2. * PI / NbFacettes;
252 GLdouble TriedronCoord[3] = { 1.0, 0.0, 0.0 };
254 if( myTextList == 0 )
255 myTextList = generateTextList();
257 glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
259 glColor3fv( TriedronColorX );
260 glBegin( GL_TRIANGLE_FAN );
261 glVertex3dv( TriedronAxeX );
262 TriedronCoord[0] = TriedronOrigin[0] + l ;
265 TriedronCoord[1] = TriedronOrigin[1] + ( rayon * sin(ii * Angle) );
266 TriedronCoord[2] = TriedronOrigin[2] + ( rayon * cos(ii * Angle) );
267 glVertex3dv( TriedronCoord );
272 drawText( myTextList, "X", TriedronAxeX, TriedronLetterColorX );
274 glColor3fv( TriedronColorY );
275 glBegin( GL_TRIANGLE_FAN );
276 glVertex3dv( TriedronAxeY );
277 TriedronCoord[1] = TriedronOrigin[1] + l ;
280 TriedronCoord[0] = TriedronOrigin[0] + (rayon * cos(ii * Angle) );
281 TriedronCoord[2] = TriedronOrigin[2] + (rayon * sin(ii * Angle) );
282 glVertex3dv( TriedronCoord );
287 drawText( myTextList, "Y", TriedronAxeY, TriedronLetterColorY );
289 glColor3fv( TriedronColorZ );
290 glBegin( GL_TRIANGLE_FAN );
291 glVertex3dv( TriedronAxeZ );
292 TriedronCoord[2] = TriedronOrigin[2] + l ;
295 TriedronCoord[0] = TriedronOrigin[0] + ( rayon * sin(ii * Angle) );
296 TriedronCoord[1] = TriedronOrigin[1] + ( rayon * cos(ii * Angle) );
297 glVertex3dv( TriedronCoord );
302 drawText( myTextList, "Z", TriedronAxeZ, TriedronLetterColorZ );