source: trunk/geant4/visualization/OpenGL/src/G4OpenGLImmediateQtViewer.cc @ 551

Last change on this file since 551 was 551, checked in by garnier, 17 years ago

r706@mac-90108: laurentgarnier | 2007-07-11 11:52:27 +0200
modif en mettant l exemple OpenGL a la place : CA MARCHE

  • Property svn:mime-type set to text/cpp
File size: 10.2 KB
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25//
26//
27// $Id: G4OpenGLImmediateQtViewer.cc,v 1.16 2007/06/25 16:38:13 $
28// GEANT4 tag $Name: geant4-08-02-patch-01 $
29//
30//
31// Class G4OpenGLImmediateQtViewer : a class derived from G4OpenGLQtViewer and
32//                                G4OpenGLImmediateViewer.
33
34#ifdef G4VIS_BUILD_OPENGLQT_DRIVER
35
36#include "G4OpenGLImmediateQtViewer.hh"
37
38#include "G4ios.hh"
39
40G4OpenGLImmediateQtViewer::G4OpenGLImmediateQtViewer
41(G4OpenGLImmediateSceneHandler& sceneHandler,
42 const G4String&  name):
43 G4VViewer (sceneHandler, sceneHandler.IncrementViewCount (), name),
44 G4OpenGLViewer (sceneHandler),
45 G4OpenGLQtViewer (sceneHandler),
46 G4OpenGLImmediateViewer (sceneHandler),
47 QGLWidget()                      // FIXME : gerer le pb du parent !
48 {
49
50  if (fViewId < 0) return;  // In case error in base class instantiation.
51   printf("GLWidget::GLWidget \n");
52     object = 0;
53     xRot = 0;
54     yRot = 0;
55     zRot = 0;
56
57     trolltechGreen = QColor::fromCmykF(0.40, 0.0, 1.0, 0.0);
58     trolltechPurple = QColor::fromCmykF(0.39, 0.39, 0.0, 0.0);
59   printf("GLWidget::GLWidget END\n");
60}
61
62G4OpenGLImmediateQtViewer::~G4OpenGLImmediateQtViewer() {
63   printf("GLWidget::~GLWidget \n");
64     makeCurrent();
65     glDeleteLists(object, 1);
66   printf("GLWidget::~GLWidget END\n");
67}
68
69void G4OpenGLImmediateQtViewer::Initialise() {
70   printf("GLWidget::Initialise \n");
71   //  printf("readyToPaint = false \n");
72  //  readyToPaint = false;
73   //  printf("G4OpenGLImmediateQtViewer::Initialise () 1\n");
74  //  CreateGLQtContext ();
75  printf("G4OpenGLImmediateQtViewer::Initialise () 2\n");
76
77  CreateMainWindow (this);
78  printf("G4OpenGLImmediateQtViewer::Initialise () 3\n");
79
80  //  CreateFontLists ();  // FIXME Does nothing!
81
82  printf("readyToPaint = true \n");
83  //  readyToPaint = true;
84}
85
86void G4OpenGLImmediateQtViewer::initializeGL () {
87   printf("GLWidget::initializeGL \n");
88     qglClearColor(trolltechPurple.dark());
89     object = makeObject();
90     glShadeModel(GL_FLAT);
91     glEnable(GL_DEPTH_TEST);
92     glEnable(GL_CULL_FACE);
93   printf("GLWidget::initializeGL END\n");
94
95//   printf("G4OpenGLImmediateQtViewer::InitialiseGL   ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
96
97// // ensure a suitable window was found
98
99
100//   InitializeGLView ();
101
102//   printf("G4OpenGLImmediateQtViewer::InitialiseGL () 1\n");
103
104//   // clear the buffers and window.
105//   //  ClearView ();
106//   printf("G4OpenGLImmediateQtViewer::InitialiseGL () 2\n");
107//   //  FinishView ();
108
109//   // If a double buffer context has been forced upon us, ignore the
110//   // back buffer for this OpenGLImmediate view.
111//   glDrawBuffer (GL_FRONT);
112
113//   glDepthFunc (GL_LEQUAL);
114//   glDepthMask (GL_TRUE);
115
116//   printf("G4OpenGLImmediateQtViewer::InitialiseGL  -------------------------------------------------------------------------------------\n");
117}
118
119
120void G4OpenGLImmediateQtViewer::DrawView () {
121
122  printf("G4OpenGLImmediateQtViewer::DrawView %d %d   VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n",WinSize_x, WinSize_y);
123  // If a double buffer context has been forced upon us, ignore the
124  // back buffer for this OpenGLImmediate view.
125//   glDrawBuffer (GL_FRONT);
126
127//   G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
128
129//   //Make sure current viewer is attached and clean...
130//   //Qt version needed
131//   //glXMakeCurrent (dpy, win, cx);
132//   glViewport (0, 0, WinSize_x, WinSize_y);
133
134//   if(style!=G4ViewParameters::hlr &&
135//      haloing_enabled) {
136
137//     HaloingFirstPass ();
138//     NeedKernelVisit ();
139//     ProcessView ();
140//     glFlush ();
141
142//     HaloingSecondPass ();
143
144//   }
145
146//   NeedKernelVisit ();  // Always need to visit G4 kernel.
147//   ProcessView ();
148//   FinishView ();
149  printf("G4OpenGLImmediateQtViewer::DrawView %d %d ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n",WinSize_x, WinSize_y);
150
151}
152
153
154//////////////////////////////////////////////////////////////////////////////
155void G4OpenGLImmediateQtViewer::FinishView (
156)
157//////////////////////////////////////////////////////////////////////////////
158//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
159{
160  printf("G4OpenGLImmediateQtViewer::FinishView VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV\n");
161//   //    if(!fHDC) return;
162
163//   glFlush ();
164  printf("G4OpenGLImmediateQtViewer::FinishView ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
165
166  // Empty the Windows message queue :
167//   MSG event;
168//   while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
169//     ::TranslateMessage(&event);
170//     ::DispatchMessage (&event);
171//   }
172}
173
174
175void G4OpenGLImmediateQtViewer::resizeGL(
176 int width
177,int height)
178{
179   printf("GLWidget::resizeGL\n");
180     int side = qMin(width, height);
181     glViewport((width - side) / 2, (height - side) / 2, side, side);
182
183     glMatrixMode(GL_PROJECTION);
184     glLoadIdentity();
185     glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0);
186     glMatrixMode(GL_MODELVIEW);
187   printf("GLWidget::resizeGL END\n");
188//   printf("G4OpenGLImmediateQtViewer::resizeGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV \n");
189 
190//   int side = qMin(width, height);
191//   glViewport((width - side) / 2, (height - side) / 2, side, side);
192//   glMatrixMode(GL_PROJECTION);
193//   glLoadIdentity();
194//   glOrtho(-0.5, +0.5, +0.5, -0.5, 4.0, 15.0);
195//   glMatrixMode(GL_MODELVIEW);
196 
197//   printf("G4OpenGLImmediateQtViewer::resizeGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ \n");
198}
199
200void G4OpenGLImmediateQtViewer::paintGL()
201 {
202   printf("GLWidget::paintGL\n");
203     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
204     glLoadIdentity();
205     glTranslated(0.0, 0.0, -10.0);
206     glRotated(xRot / 16.0, 1.0, 0.0, 0.0);
207     glRotated(yRot / 16.0, 0.0, 1.0, 0.0);
208     glRotated(zRot / 16.0, 0.0, 0.0, 1.0);
209     glCallList(object);
210   printf("GLWidget::paintGL END\n");
211//   printf("G4OpenGLImmediateQtViewer::paintGL VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV \n");
212//   float b=3;
213//   if (!readyToPaint)
214//     return;
215
216//   WinSize_x = (G4int) width();
217//   WinSize_y = (G4int) height();
218
219//   glViewport (0, 0, width(), height());
220
221//   SetView();
222//   //  printf("before ClearView\n");
223//   //  makeCurrent();
224//   //  for (int a=0;a<100000000;a++) {b = b/3.1456;}
225//   printf("    ClearView\n");
226//   ClearView (); //ok, put the background correct
227//   //  DrawView();
228//   //  ShowView();
229//   //  printf("before ClearView\n");
230//   //  ClearView (); //ok, put the background correct
231//   // FIXME
232//   //  FinishView();
233//   //  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
234//   //  glLoadIdentity();
235//   //  glTranslated(0.0, 0.0, -10.0);
236
237//   printf("G4OpenGLImmediateQtViewer::paintGL ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
238 }
239
240
241
242
243 GLuint G4OpenGLImmediateQtViewer::makeObject()
244 {
245     GLuint list = glGenLists(1);
246     glNewList(list, GL_COMPILE);
247
248     glBegin(GL_QUADS);
249
250     GLdouble x1 = +0.06;
251     GLdouble y1 = -0.14;
252     GLdouble x2 = +0.14;
253     GLdouble y2 = -0.06;
254     GLdouble x3 = +0.08;
255     GLdouble y3 = +0.00;
256     GLdouble x4 = +0.30;
257     GLdouble y4 = +0.22;
258
259     quad(x1, y1, x2, y2, y2, x2, y1, x1);
260     quad(x3, y3, x4, y4, y4, x4, y3, x3);
261
262     extrude(x1, y1, x2, y2);
263     extrude(x2, y2, y2, x2);
264     extrude(y2, x2, y1, x1);
265     extrude(y1, x1, x1, y1);
266     extrude(x3, y3, x4, y4);
267     extrude(x4, y4, y4, x4);
268     extrude(y4, x4, y3, x3);
269
270     const double Pi = 3.14159265358979323846;
271     const int NumSectors = 200;
272
273     for (int i = 0; i < NumSectors; ++i) {
274         double angle1 = (i * 2 * Pi) / NumSectors;
275         GLdouble x5 = 0.30 * sin(angle1);
276         GLdouble y5 = 0.30 * cos(angle1);
277         GLdouble x6 = 0.20 * sin(angle1);
278         GLdouble y6 = 0.20 * cos(angle1);
279
280         double angle2 = ((i + 1) * 2 * Pi) / NumSectors;
281         GLdouble x7 = 0.20 * sin(angle2);
282         GLdouble y7 = 0.20 * cos(angle2);
283         GLdouble x8 = 0.30 * sin(angle2);
284         GLdouble y8 = 0.30 * cos(angle2);
285
286         quad(x5, y5, x6, y6, x7, y7, x8, y8);
287
288         extrude(x6, y6, x7, y7);
289         extrude(x8, y8, x5, y5);
290     }
291
292     glEnd();
293
294     glEndList();
295     return list;
296 }
297
298 void G4OpenGLImmediateQtViewer::quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
299                     GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4)
300 {
301     qglColor(trolltechGreen);
302
303     glVertex3d(x1, y1, -0.05);
304     glVertex3d(x2, y2, -0.05);
305     glVertex3d(x3, y3, -0.05);
306     glVertex3d(x4, y4, -0.05);
307
308     glVertex3d(x4, y4, +0.05);
309     glVertex3d(x3, y3, +0.05);
310     glVertex3d(x2, y2, +0.05);
311     glVertex3d(x1, y1, +0.05);
312 }
313
314 void G4OpenGLImmediateQtViewer::extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2)
315 {
316     qglColor(trolltechGreen.dark(250 + int(100 * x1)));
317
318     glVertex3d(x1, y1, +0.05);
319     glVertex3d(x2, y2, +0.05);
320     glVertex3d(x2, y2, -0.05);
321     glVertex3d(x1, y1, -0.05);
322 }
323
324#endif
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