| Geant4 Cross Reference |
1 // 1 //
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24 // ******************************************* 24 // ********************************************************************
>> 25 //
>> 26 //
>> 27 // $Id: G4OpenGLWin32Viewer.cc 66373 2012-12-18 09:41:34Z gcosmo $
>> 28 //
25 // 29 //
26 // G4OpenGLWin32Viewer : Class to provide Wind << 30 // G4OpenGLWin32Viewer : Class to provide WindowsNT specific
27 // functionality for Ope << 31 // functionality for OpenGL in GEANT4
28 // 32 //
29 // 27/06/2003 : G.Barrand : implementation (at 33 // 27/06/2003 : G.Barrand : implementation (at last !).
30 34
>> 35 #ifdef G4VIS_BUILD_OPENGLWIN32_DRIVER
>> 36
31 #include "G4OpenGLWin32Viewer.hh" 37 #include "G4OpenGLWin32Viewer.hh"
32 #include "G4VViewer.hh" 38 #include "G4VViewer.hh"
33 #include "G4VSceneHandler.hh" 39 #include "G4VSceneHandler.hh"
34 #include "G4OpenGLSceneHandler.hh" 40 #include "G4OpenGLSceneHandler.hh"
35 #include "G4Scene.hh" <<
36 41
37 #include "G4ios.hh" 42 #include "G4ios.hh"
38 #include "G4VisExtent.hh" 43 #include "G4VisExtent.hh"
39 #include "G4LogicalVolume.hh" 44 #include "G4LogicalVolume.hh"
40 #include "G4VSolid.hh" 45 #include "G4VSolid.hh"
41 #include "G4Point3D.hh" 46 #include "G4Point3D.hh"
42 #include "G4Normal3D.hh" 47 #include "G4Normal3D.hh"
43 48
44 #include "G4SystemOfUnits.hh" <<
45 49
46 ////////////////////////////////////////////// 50 //////////////////////////////////////////////////////////////////////////////
47 void G4OpenGLWin32Viewer::SetView ( 51 void G4OpenGLWin32Viewer::SetView (
48 ) 52 )
49 ////////////////////////////////////////////// 53 //////////////////////////////////////////////////////////////////////////////
50 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 54 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
51 { 55 {
52 if(!fHDC) return; 56 if(!fHDC) return;
53 if(!fHGLRC) return; 57 if(!fHGLRC) return;
54 ::wglMakeCurrent(fHDC,fHGLRC); 58 ::wglMakeCurrent(fHDC,fHGLRC);
55 G4OpenGLViewer::SetView (); 59 G4OpenGLViewer::SetView ();
56 } 60 }
57 61
58 ////////////////////////////////////////////// 62 //////////////////////////////////////////////////////////////////////////////
59 void G4OpenGLWin32Viewer::ShowView ( 63 void G4OpenGLWin32Viewer::ShowView (
60 ) 64 )
61 ////////////////////////////////////////////// 65 //////////////////////////////////////////////////////////////////////////////
62 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 66 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
63 { 67 {
64 if(!fHDC) return; 68 if(!fHDC) return;
65 glFlush (); 69 glFlush ();
66 // Empty the Windows message queue : 70 // Empty the Windows message queue :
67 MSG event; 71 MSG event;
68 while ( ::PeekMessage(&event, NULL, 0, 0, PM 72 while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
69 ::TranslateMessage(&event); 73 ::TranslateMessage(&event);
70 ::DispatchMessage (&event); 74 ::DispatchMessage (&event);
71 } 75 }
72 } 76 }
73 77
74 ////////////////////////////////////////////// 78 //////////////////////////////////////////////////////////////////////////////
75 void G4OpenGLWin32Viewer::GetWin32Connection ( 79 void G4OpenGLWin32Viewer::GetWin32Connection (
76 ) 80 )
77 ////////////////////////////////////////////// 81 //////////////////////////////////////////////////////////////////////////////
78 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 82 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
79 { 83 {
80 } 84 }
81 85
82 ////////////////////////////////////////////// 86 //////////////////////////////////////////////////////////////////////////////
83 void G4OpenGLWin32Viewer::CreateGLWin32Context 87 void G4OpenGLWin32Viewer::CreateGLWin32Context (
84 ) 88 )
85 ////////////////////////////////////////////// 89 //////////////////////////////////////////////////////////////////////////////
86 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 90 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
87 { 91 {
88 } 92 }
89 93
90 ////////////////////////////////////////////// 94 //////////////////////////////////////////////////////////////////////////////
91 void G4OpenGLWin32Viewer::CreateMainWindow ( 95 void G4OpenGLWin32Viewer::CreateMainWindow (
92 ) 96 )
93 ////////////////////////////////////////////// 97 //////////////////////////////////////////////////////////////////////////////
94 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 98 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
95 { 99 {
96 if(fWindow) return; //Done. 100 if(fWindow) return; //Done.
97 101
98 // Bill Gates stuff... 102 // Bill Gates stuff...
99 static const char className[] = "G4OpenGLWin 103 static const char className[] = "G4OpenGLWin32";
100 static G4bool done = false; << 104 static bool done = false;
101 if(done==false) { 105 if(done==false) {
102 WNDCLASS wc; 106 WNDCLASS wc;
103 wc.style = CS_HREDRAW | CS_VREDRAW; 107 wc.style = CS_HREDRAW | CS_VREDRAW;
104 wc.lpfnWndProc = (WNDPROC)WindowProc; 108 wc.lpfnWndProc = (WNDPROC)WindowProc;
105 wc.cbClsExtra = 0; 109 wc.cbClsExtra = 0;
106 wc.cbWndExtra = 0; 110 wc.cbWndExtra = 0;
107 wc.hInstance = ::GetModuleHandle(NULL); 111 wc.hInstance = ::GetModuleHandle(NULL);
108 wc.hIcon = LoadIcon (NULL, IDI_APPLICATIO 112 wc.hIcon = LoadIcon (NULL, IDI_APPLICATION);
109 wc.hCursor = LoadCursor(NULL,IDC_CROSS); 113 wc.hCursor = LoadCursor(NULL,IDC_CROSS);
110 wc.hbrBackground = NULL; 114 wc.hbrBackground = NULL;
111 wc.lpszMenuName = className; 115 wc.lpszMenuName = className;
112 wc.lpszClassName = className; 116 wc.lpszClassName = className;
113 ::RegisterClass(&wc); 117 ::RegisterClass(&wc);
114 done = true; 118 done = true;
115 } 119 }
116 120
117 ResizeWindow(fVP.GetWindowSizeHintX(),fVP.Ge 121 ResizeWindow(fVP.GetWindowSizeHintX(),fVP.GetWindowSizeHintY());
118 122
119 G4int x_res=GetSystemMetrics(SM_CXSCREEN); << 123 int x_res=GetSystemMetrics(SM_CXSCREEN);
120 G4int y_res=GetSystemMetrics(SM_CYSCREEN); << 124 int y_res=GetSystemMetrics(SM_CYSCREEN);
121 125
122 //FIXME : NOT tested ! 126 //FIXME : NOT tested !
123 fWindow = ::CreateWindowEx(0, className,fNam << 127 fWindow = ::CreateWindow(className,fName.c_str(),
124 WS_OVERLAPPEDWINDOW, 128 WS_OVERLAPPEDWINDOW,
125 //WS_CHILD | WS_VISIBLE, 129 //WS_CHILD | WS_VISIBLE,
126 // 0,0, 130 // 0,0,
127 fVP.GetWindowAbsolu 131 fVP.GetWindowAbsoluteLocationHintX(x_res),
128 fVP.GetWindowAbsolu 132 fVP.GetWindowAbsoluteLocationHintY(y_res),
129 getWinWidth(), getWinHeight(), 133 getWinWidth(), getWinHeight(),
130 NULL, NULL, 134 NULL, NULL,
131 ::GetModuleHandle(NULL), 135 ::GetModuleHandle(NULL),
132 NULL); 136 NULL);
133 if(!fWindow) return; 137 if(!fWindow) return;
134 138
135 ::SetWindowLongPtr(fWindow,GWLP_USERDATA,LON << 139 ::SetWindowLongPtr(fWindow,GWLP_USERDATA,LONG(this));
136 140
137 // initialize OpenGL rendering : 141 // initialize OpenGL rendering :
138 fHDC = ::GetDC(fWindow); 142 fHDC = ::GetDC(fWindow);
139 if( fHDC && (SetWindowPixelFormat(fHDC)==TRU 143 if( fHDC && (SetWindowPixelFormat(fHDC)==TRUE) ) {
140 fHGLRC = ::wglCreateContext(fHDC); 144 fHGLRC = ::wglCreateContext(fHDC);
141 } 145 }
142 146
143 if(fHDC && fHGLRC) { 147 if(fHDC && fHGLRC) {
144 ::wglMakeCurrent(fHDC,fHGLRC); 148 ::wglMakeCurrent(fHDC,fHGLRC);
145 } 149 }
146 150
147 //G.Barrand : avoid to indirectly pass in <<
148 // WindowProc/[WM_SIZE,WM_PAINT <<
149 // from this method. Else we have <<
150 fInCreateWindow = true; <<
151 <<
152 ::SetForegroundWindow(fWindow); 151 ::SetForegroundWindow(fWindow);
153 ::ShowWindow(fWindow,SW_SHOWDEFAULT); 152 ::ShowWindow(fWindow,SW_SHOWDEFAULT);
154 ::UpdateWindow(fWindow); 153 ::UpdateWindow(fWindow);
155 ::DrawMenuBar(fWindow); 154 ::DrawMenuBar(fWindow);
156 <<
157 fInCreateWindow = false; <<
158 } 155 }
159 156
160 ////////////////////////////////////////////// 157 //////////////////////////////////////////////////////////////////////////////
161 G4OpenGLWin32Viewer::G4OpenGLWin32Viewer ( 158 G4OpenGLWin32Viewer::G4OpenGLWin32Viewer (
162 G4OpenGLSceneHandler& scene 159 G4OpenGLSceneHandler& scene
163 ) 160 )
164 :G4VViewer (scene, -1) 161 :G4VViewer (scene, -1)
165 ,G4OpenGLViewer (scene) 162 ,G4OpenGLViewer (scene)
166 ,fMouseHovered(false) <<
167 ,fMousePressed(false) <<
168 ,fMousePressedX(0) <<
169 ,fMousePressedY(0) <<
170 ,fHDC(0) <<
171 ,fWindow(0) 163 ,fWindow(0)
>> 164 ,fHDC(0)
172 ,fHGLRC(0) 165 ,fHGLRC(0)
173 ,fInCreateWindow(false) <<
174 ////////////////////////////////////////////// 166 //////////////////////////////////////////////////////////////////////////////
175 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 167 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
176 { 168 {
177 } 169 }
178 170
179 ////////////////////////////////////////////// 171 //////////////////////////////////////////////////////////////////////////////
180 G4OpenGLWin32Viewer::~G4OpenGLWin32Viewer ( 172 G4OpenGLWin32Viewer::~G4OpenGLWin32Viewer (
181 ) 173 )
182 ////////////////////////////////////////////// 174 //////////////////////////////////////////////////////////////////////////////
183 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 175 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
184 { 176 {
185 // This is the end (Jim Morisson). 177 // This is the end (Jim Morisson).
186 if (fViewId >= 0) { 178 if (fViewId >= 0) {
187 if(wglGetCurrentContext()!=NULL) wglMakeCu 179 if(wglGetCurrentContext()!=NULL) wglMakeCurrent(NULL,NULL);
188 if(fHGLRC) { 180 if(fHGLRC) {
189 wglDeleteContext(fHGLRC); 181 wglDeleteContext(fHGLRC);
190 fHGLRC = NULL; 182 fHGLRC = NULL;
191 } 183 }
192 184
193 if(fWindow) { 185 if(fWindow) {
194 ::SetWindowLongPtr(fWindow,GWLP_USERDATA 186 ::SetWindowLongPtr(fWindow,GWLP_USERDATA,LONG(NULL));
195 if(fHDC) ::ReleaseDC(fWindow,fHDC); 187 if(fHDC) ::ReleaseDC(fWindow,fHDC);
196 ::DestroyWindow(fWindow); 188 ::DestroyWindow(fWindow);
197 } 189 }
198 } 190 }
199 } 191 }
200 192
201 ////////////////////////////////////////////// 193 //////////////////////////////////////////////////////////////////////////////
202 LRESULT CALLBACK G4OpenGLWin32Viewer::WindowPr << 194 LRESULT CALLBACK G4OpenGLWin32Viewer::WindowProc (
203 HWND aWindow << 195 HWND aWindow
204 ,UINT aMessage << 196 ,UINT aMessage
205 ,WPARAM aWParam 197 ,WPARAM aWParam
206 ,LPARAM aLParam 198 ,LPARAM aLParam
207 ) 199 )
208 ////////////////////////////////////////////// 200 //////////////////////////////////////////////////////////////////////////////
209 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 201 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
210 { 202 {
211 switch (aMessage) { << 203 /*
212 case WM_SIZE: { << 204 switch (aMessage) {
213 //FIXME : have to handle WM_RESIZE << 205 case WM_PAINT:{
214 // Seems to be done (ovidio.pena AT upm. << 206 printf("debug : PAINT\n");
215 auto* This = (G4OpenGLWin32Viewer*) << 207 HDC hDC;
216 ::GetWindowLongPtr(aWindow, << 208 PAINTSTRUCT ps;
217 if (This) { << 209 hDC = BeginPaint(aWindow,&ps);
218 This->fWinSize_x = (G4int) LOWORD(aLPa << 210 if(This) {
219 This->fWinSize_y = (G4int) HIWORD(aLPa << 211 // FIXME : To have an automatic refresh someone have to redraw here.
220 if (!This->fInCreateWindow) { << 212 }
221 This->SetView(); << 213 EndPaint(aWindow, &ps);
222 glViewport(0, 0, This->fWinSize_x, T << 214
223 This->DrawView(); << 215 //FIXME : have to handle WM_RESIZE
224 } << 216 //pView->fWinSize_x = (G4int) width;
225 } << 217 //pView->fWinSize_y = (G4int) height;
226 return 0; << 218 G4OpenGLWin32Viewer* This =
227 } << 219 (G4OpenGLWin32Viewer*)::GetWindowLong(aWindow,GWL_USERDATA);
228 << 220 if(This) {
229 case WM_PAINT: { <<
230 PAINTSTRUCT ps; <<
231 BeginPaint(aWindow, &ps); <<
232 auto* This = (G4OpenGLWin32Viewer*) <<
233 ::GetWindowLongPtr(aWindow, <<
234 if (This) { <<
235 //FIXME : To have an automatic refresh <<
236 // Seems to be done (ovidio.pena AT up <<
237 if(!This->fInCreateWindow) { <<
238 This->SetView(); <<
239 This->ClearView(); <<
240 This->DrawView(); <<
241 } <<
242 } <<
243 EndPaint(aWindow, &ps); <<
244 return 0; <<
245 } <<
246 <<
247 case WM_LBUTTONDOWN: { <<
248 auto* This = (G4OpenGLWin32Viewer*) <<
249 ::GetWindowLongPtr(aWindow, <<
250 This->TrackMouse(LOWORD(aLParam), HIWORD <<
251 return 0; <<
252 } <<
253 <<
254 case WM_RBUTTONDOWN: { <<
255 auto* This = (G4OpenGLWin32Viewer*) <<
256 ::GetWindowLongPtr(aWindow, <<
257 This->TrackMouse(LOWORD(aLParam), HIWORD <<
258 return 0; <<
259 } <<
260 <<
261 case WM_LBUTTONUP: { <<
262 auto* This = (G4OpenGLWin32Viewer*) <<
263 ::GetWindowLongPtr(aWindow, <<
264 This->ReleaseMouse(); <<
265 return 0; <<
266 } <<
267 <<
268 case WM_RBUTTONUP: { <<
269 auto* This = (G4OpenGLWin32Viewer*) <<
270 ::GetWindowLongPtr(aWindow, <<
271 This->ReleaseMouse(); <<
272 return 0; <<
273 } <<
274 <<
275 case WM_MOUSEHOVER: { <<
276 auto* This = (G4OpenGLWin32Viewer*) <<
277 ::GetWindowLongPtr(aWindow, <<
278 This->fMouseHovered = true; <<
279 return 0; <<
280 } <<
281 <<
282 case WM_MOUSELEAVE: { <<
283 auto* This = (G4OpenGLWin32Viewer*) <<
284 ::GetWindowLongPtr(aWindow, <<
285 This->fMouseHovered = false; <<
286 return 0; <<
287 } <<
288 <<
289 case WM_MOUSEMOVE: { <<
290 auto* This = (G4OpenGLWin32Viewer*) <<
291 ::GetWindowLongPtr(aWindow, <<
292 <<
293 if (!This->fMouseHovered) { <<
294 // mouse hover/leave tracking <<
295 TRACKMOUSEEVENT tme; <<
296 tme.cbSize = sizeof(tme); <<
297 tme.dwFlags = TME_HOVER | TME_LEAVE; <<
298 tme.hwndTrack = aWindow; <<
299 tme.dwHoverTime = HOVER_DEFAULT; <<
300 ::TrackMouseEvent(&tme); <<
301 This->fMouseHovered = true; <<
302 } <<
303 <<
304 if (This->fMousePressed) { <<
305 G4int x = (G4int) LOWORD(aLParam); <<
306 G4int y = (G4int) HIWORD(aLParam); <<
307 G4int dx = x - This->fMousePressedX; <<
308 G4int dy = y - This->fMousePressedY; <<
309 This->fMousePressedX = x; <<
310 This->fMousePressedY = y; <<
311 <<
312 if (aWParam == MK_LBUTTON) { // Rotat <<
313 This->SetRotation(dx, dy); <<
314 } <<
315 <<
316 if (aWParam == MK_RBUTTON) { // Shift <<
317 This->SetShift(dx, dy); <<
318 } <<
319 <<
320 This->SetView(); <<
321 This->ClearView(); <<
322 This->DrawView(); <<
323 } <<
324 <<
325 return 0; <<
326 } <<
327 <<
328 case WM_MOUSEWHEEL: { <<
329 auto* This = (G4OpenGLWin32Viewer*) <<
330 ::GetWindowLongPtr(aWindow, <<
331 <<
332 G4int delta = (short) HIWORD(aWParam); <<
333 <<
334 This->SetZoom(delta); <<
335 <<
336 This->SetView(); 221 This->SetView();
>> 222 glViewport(0,0,This->fWinSize_x,This->fWinSize_y);
337 This->ClearView(); 223 This->ClearView();
338 This->DrawView(); 224 This->DrawView();
339 return 0; << 225 // WARNING : the below empty the Windows message queue...
>> 226 This->FinishView();
340 } 227 }
341 << 228 } return 0;
342 default: << 229 default:
343 return DefWindowProc(aWindow, aMessage, << 230 return DefWindowProc(aWindow,aMessage,aWParam,aLParam);
344 } 231 }
345 // return DefWindowProc(aWindow,aMessage,aWPa << 232 */
>> 233 return DefWindowProc(aWindow,aMessage,aWParam,aLParam);
346 } 234 }
347 235
348 ////////////////////////////////////////////// 236 //////////////////////////////////////////////////////////////////////////////
349 G4bool G4OpenGLWin32Viewer::SetWindowPixelForm << 237 bool G4OpenGLWin32Viewer::SetWindowPixelFormat(
350 HDC aHdc 238 HDC aHdc
351 ) 239 )
352 ////////////////////////////////////////////// 240 //////////////////////////////////////////////////////////////////////////////
353 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 241 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
354 { 242 {
355 // The ungessable... 243 // The ungessable...
356 244
357 PIXELFORMATDESCRIPTOR pfd; 245 PIXELFORMATDESCRIPTOR pfd;
358 pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); 246 pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
359 pfd.nVersion = 1; 247 pfd.nVersion = 1;
360 pfd.dwFlags = 248 pfd.dwFlags =
361 PFD_DRAW_TO_WINDOW | 249 PFD_DRAW_TO_WINDOW |
362 PFD_SUPPORT_OPENGL | 250 PFD_SUPPORT_OPENGL |
363 PFD_DOUBLEBUFFER | 251 PFD_DOUBLEBUFFER |
364 PFD_STEREO_DONTCARE; 252 PFD_STEREO_DONTCARE;
365 pfd.iPixelType = PFD_TYPE_RGBA; 253 pfd.iPixelType = PFD_TYPE_RGBA;
366 pfd.cColorBits = 32; 254 pfd.cColorBits = 32;
367 pfd.cRedBits = 8; 255 pfd.cRedBits = 8;
368 pfd.cRedShift = 16; 256 pfd.cRedShift = 16;
369 pfd.cGreenBits = 8; 257 pfd.cGreenBits = 8;
370 pfd.cGreenShift = 8; 258 pfd.cGreenShift = 8;
371 pfd.cBlueBits = 8; 259 pfd.cBlueBits = 8;
372 pfd.cBlueShift = 0; 260 pfd.cBlueShift = 0;
373 pfd.cAlphaBits = 0; 261 pfd.cAlphaBits = 0;
374 pfd.cAlphaShift = 0; 262 pfd.cAlphaShift = 0;
375 pfd.cAccumBits = 64; 263 pfd.cAccumBits = 64;
376 pfd.cAccumRedBits = 16; 264 pfd.cAccumRedBits = 16;
377 pfd.cAccumGreenBits = 16; 265 pfd.cAccumGreenBits = 16;
378 pfd.cAccumBlueBits = 16; 266 pfd.cAccumBlueBits = 16;
379 pfd.cAccumAlphaBits = 0; 267 pfd.cAccumAlphaBits = 0;
380 pfd.cDepthBits = 32; 268 pfd.cDepthBits = 32;
381 pfd.cStencilBits = 8; 269 pfd.cStencilBits = 8;
382 pfd.cAuxBuffers = 0; 270 pfd.cAuxBuffers = 0;
383 pfd.iLayerType = PFD_MAIN_PLANE; 271 pfd.iLayerType = PFD_MAIN_PLANE;
384 pfd.bReserved = 0; 272 pfd.bReserved = 0;
385 pfd.dwLayerMask = 0; 273 pfd.dwLayerMask = 0;
386 pfd.dwVisibleMask = 0; 274 pfd.dwVisibleMask = 0;
387 pfd.dwDamageMask = 0; 275 pfd.dwDamageMask = 0;
388 276
389 G4int pixelIndex = ::ChoosePixelFormat(aHdc, << 277 int pixelIndex = ::ChoosePixelFormat(aHdc,&pfd);
390 if (pixelIndex==0) { 278 if (pixelIndex==0) {
391 pixelIndex = 1; 279 pixelIndex = 1;
392 if (::DescribePixelFormat(aHdc, 280 if (::DescribePixelFormat(aHdc,
393 pixelIndex, 281 pixelIndex,
394 sizeof(PIXELFORMATDESCRIPTOR), 282 sizeof(PIXELFORMATDESCRIPTOR),
395 &pfd)==0) { 283 &pfd)==0) {
396 return false; 284 return false;
397 } 285 }
398 } 286 }
399 if (::SetPixelFormat(aHdc,pixelIndex,&pfd)== 287 if (::SetPixelFormat(aHdc,pixelIndex,&pfd)==FALSE) return false;
400 return true; 288 return true;
401 } 289 }
402 290
403 ////////////////////////////////////////////// <<
404 void G4OpenGLWin32Viewer::TrackMouse( <<
405 G4int x <<
406 ,G4int y <<
407 ) <<
408 ////////////////////////////////////////////// <<
409 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! <<
410 { <<
411 fMousePressed = true; <<
412 fMousePressedX = x; <<
413 fMousePressedY = y; <<
414 } <<
415 <<
416 ////////////////////////////////////////////// <<
417 void G4OpenGLWin32Viewer::ReleaseMouse( <<
418 ) <<
419 ////////////////////////////////////////////// <<
420 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! <<
421 { <<
422 fMousePressed = false; <<
423 fMousePressedX = 0; <<
424 fMousePressedY = 0; <<
425 } <<
426 <<
427 ////////////////////////////////////////////// <<
428 void G4OpenGLWin32Viewer::SetShift( <<
429 G4int dx <<
430 ,G4int dy <<
431 ) <<
432 ////////////////////////////////////////////// <<
433 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! <<
434 { <<
435 const G4double sceneRadius = GetSceneHandler <<
436 ->GetExtent().Get <<
437 const G4double scale = 300; // Roughly pixe <<
438 const G4double dxScene = dx*sceneRadius/scal <<
439 const G4double dyScene = dy*sceneRadius/scal <<
440 fVP.IncrementPan(-dxScene,dyScene); <<
441 } <<
442 <<
443 ////////////////////////////////////////////// <<
444 void G4OpenGLWin32Viewer::SetRotation( <<
445 G4int dx <<
446 ,G4int dy <<
447 ) <<
448 ////////////////////////////////////////////// <<
449 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! <<
450 { <<
451 // Simple ad-hoc algorithms (borrowed from G <<
452 const G4Vector3D& x_prime = fVP.GetViewpoint <<
453 .cross(fVP.GetUp <<
454 const G4Vector3D& y_prime = x_prime.cross(fV <<
455 const G4double scale = 200; // Roughly pixe <<
456 G4Vector3D newViewpointDirection = fVP.GetVi <<
457 newViewpointDirection += dx*x_prime/scale; <<
458 newViewpointDirection += dy*y_prime/scale; <<
459 fVP.SetViewpointDirection(newViewpointDirect <<
460 <<
461 if (fVP.GetRotationStyle() == G4ViewParamete <<
462 G4Vector3D newUpVector = fVP.GetUpVector <<
463 newUpVector += dx*x_prime/scale; <<
464 newUpVector += dy*y_prime/scale; <<
465 fVP.SetUpVector(newUpVector.unit()); <<
466 } <<
467 } <<
468 <<
469 ////////////////////////////////////////////// <<
470 void G4OpenGLWin32Viewer::SetZoom( <<
471 G4int delta <<
472 ) <<
473 ////////////////////////////////////////////// <<
474 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! <<
475 { <<
476 if (fVP.GetFieldHalfAngle() == 0.) { // O <<
477 const G4double scale = 500; // Empiri <<
478 fVP.MultiplyZoomFactor(1. + delta/scal <<
479 } else { // P <<
480 const G4double scale = fVP.GetFieldHal <<
481 fVP.SetDolly(fVP.GetDolly() + delta/sc <<
482 } <<
483 } <<
484 291
>> 292 #endif
485 293