| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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24 // ******************************************* 24 // ********************************************************************
>> 25 //
>> 26 //
>> 27 // $Id: G4OpenGLWin32Viewer.cc,v 1.20 2009-05-20 13:19:09 lgarnier Exp $
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
>> 29 //
25 // 30 //
26 // G4OpenGLWin32Viewer : Class to provide Wind << 31 // G4OpenGLWin32Viewer : Class to provide WindowsNT specific
27 // functionality for Ope << 32 // functionality for OpenGL in GEANT4
28 // 33 //
29 // 27/06/2003 : G.Barrand : implementation (at 34 // 27/06/2003 : G.Barrand : implementation (at last !).
30 35
>> 36 #ifdef G4VIS_BUILD_OPENGLWIN32_DRIVER
>> 37
31 #include "G4OpenGLWin32Viewer.hh" 38 #include "G4OpenGLWin32Viewer.hh"
32 #include "G4VViewer.hh" 39 #include "G4VViewer.hh"
33 #include "G4VSceneHandler.hh" 40 #include "G4VSceneHandler.hh"
34 #include "G4OpenGLSceneHandler.hh" 41 #include "G4OpenGLSceneHandler.hh"
35 #include "G4Scene.hh" <<
36 42
37 #include "G4ios.hh" 43 #include "G4ios.hh"
38 #include "G4VisExtent.hh" 44 #include "G4VisExtent.hh"
39 #include "G4LogicalVolume.hh" 45 #include "G4LogicalVolume.hh"
40 #include "G4VSolid.hh" 46 #include "G4VSolid.hh"
41 #include "G4Point3D.hh" 47 #include "G4Point3D.hh"
42 #include "G4Normal3D.hh" 48 #include "G4Normal3D.hh"
43 49
44 #include "G4SystemOfUnits.hh" <<
45 50
46 ////////////////////////////////////////////// 51 //////////////////////////////////////////////////////////////////////////////
47 void G4OpenGLWin32Viewer::SetView ( 52 void G4OpenGLWin32Viewer::SetView (
48 ) 53 )
49 ////////////////////////////////////////////// 54 //////////////////////////////////////////////////////////////////////////////
50 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 55 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
51 { 56 {
52 if(!fHDC) return; 57 if(!fHDC) return;
53 if(!fHGLRC) return; 58 if(!fHGLRC) return;
54 ::wglMakeCurrent(fHDC,fHGLRC); 59 ::wglMakeCurrent(fHDC,fHGLRC);
55 G4OpenGLViewer::SetView (); 60 G4OpenGLViewer::SetView ();
56 } 61 }
57 62
58 ////////////////////////////////////////////// 63 //////////////////////////////////////////////////////////////////////////////
59 void G4OpenGLWin32Viewer::ShowView ( 64 void G4OpenGLWin32Viewer::ShowView (
60 ) 65 )
61 ////////////////////////////////////////////// 66 //////////////////////////////////////////////////////////////////////////////
62 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 67 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
63 { 68 {
64 if(!fHDC) return; 69 if(!fHDC) return;
65 glFlush (); 70 glFlush ();
66 // Empty the Windows message queue : 71 // Empty the Windows message queue :
67 MSG event; 72 MSG event;
68 while ( ::PeekMessage(&event, NULL, 0, 0, PM 73 while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
69 ::TranslateMessage(&event); 74 ::TranslateMessage(&event);
70 ::DispatchMessage (&event); 75 ::DispatchMessage (&event);
71 } 76 }
72 } 77 }
73 78
74 ////////////////////////////////////////////// 79 //////////////////////////////////////////////////////////////////////////////
75 void G4OpenGLWin32Viewer::GetWin32Connection ( 80 void G4OpenGLWin32Viewer::GetWin32Connection (
76 ) 81 )
77 ////////////////////////////////////////////// 82 //////////////////////////////////////////////////////////////////////////////
78 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 83 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
79 { 84 {
80 } 85 }
81 86
82 ////////////////////////////////////////////// 87 //////////////////////////////////////////////////////////////////////////////
83 void G4OpenGLWin32Viewer::CreateGLWin32Context 88 void G4OpenGLWin32Viewer::CreateGLWin32Context (
84 ) 89 )
85 ////////////////////////////////////////////// 90 //////////////////////////////////////////////////////////////////////////////
86 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 91 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
87 { 92 {
88 } 93 }
89 94
90 ////////////////////////////////////////////// 95 //////////////////////////////////////////////////////////////////////////////
91 void G4OpenGLWin32Viewer::CreateMainWindow ( 96 void G4OpenGLWin32Viewer::CreateMainWindow (
92 ) 97 )
93 ////////////////////////////////////////////// 98 //////////////////////////////////////////////////////////////////////////////
94 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 99 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
95 { 100 {
96 if(fWindow) return; //Done. 101 if(fWindow) return; //Done.
97 102
98 // Bill Gates stuff... 103 // Bill Gates stuff...
99 static const char className[] = "G4OpenGLWin 104 static const char className[] = "G4OpenGLWin32";
100 static G4bool done = false; << 105 static bool done = false;
101 if(done==false) { 106 if(done==false) {
102 WNDCLASS wc; 107 WNDCLASS wc;
103 wc.style = CS_HREDRAW | CS_VREDRAW; 108 wc.style = CS_HREDRAW | CS_VREDRAW;
104 wc.lpfnWndProc = (WNDPROC)WindowProc; 109 wc.lpfnWndProc = (WNDPROC)WindowProc;
105 wc.cbClsExtra = 0; 110 wc.cbClsExtra = 0;
106 wc.cbWndExtra = 0; 111 wc.cbWndExtra = 0;
107 wc.hInstance = ::GetModuleHandle(NULL); 112 wc.hInstance = ::GetModuleHandle(NULL);
108 wc.hIcon = LoadIcon (NULL, IDI_APPLICATIO 113 wc.hIcon = LoadIcon (NULL, IDI_APPLICATION);
109 wc.hCursor = LoadCursor(NULL,IDC_CROSS); 114 wc.hCursor = LoadCursor(NULL,IDC_CROSS);
110 wc.hbrBackground = NULL; 115 wc.hbrBackground = NULL;
111 wc.lpszMenuName = className; 116 wc.lpszMenuName = className;
112 wc.lpszClassName = className; 117 wc.lpszClassName = className;
113 ::RegisterClass(&wc); 118 ::RegisterClass(&wc);
114 done = true; 119 done = true;
115 } 120 }
116 121
117 ResizeWindow(fVP.GetWindowSizeHintX(),fVP.Ge 122 ResizeWindow(fVP.GetWindowSizeHintX(),fVP.GetWindowSizeHintY());
118 123
119 G4int x_res=GetSystemMetrics(SM_CXSCREEN); << 124 int x_res=GetSystemMetrics(SM_CXSCREEN);
120 G4int y_res=GetSystemMetrics(SM_CYSCREEN); << 125 int y_res=GetSystemMetrics(SM_CYSCREEN);
121 126
122 //FIXME : NOT tested ! 127 //FIXME : NOT tested !
123 fWindow = ::CreateWindowEx(0, className,fNam << 128 fWindow = ::CreateWindow(className,fName.c_str(),
124 WS_OVERLAPPEDWINDOW, 129 WS_OVERLAPPEDWINDOW,
125 //WS_CHILD | WS_VISIBLE, 130 //WS_CHILD | WS_VISIBLE,
126 // 0,0, 131 // 0,0,
127 fVP.GetWindowAbsolu 132 fVP.GetWindowAbsoluteLocationHintX(x_res),
128 fVP.GetWindowAbsolu 133 fVP.GetWindowAbsoluteLocationHintY(y_res),
129 getWinWidth(), getWinHeight(), 134 getWinWidth(), getWinHeight(),
130 NULL, NULL, 135 NULL, NULL,
131 ::GetModuleHandle(NULL), 136 ::GetModuleHandle(NULL),
132 NULL); 137 NULL);
133 if(!fWindow) return; 138 if(!fWindow) return;
134 139
135 ::SetWindowLongPtr(fWindow,GWLP_USERDATA,LON << 140 ::SetWindowLong(fWindow,GWL_USERDATA,LONG(this));
136 141
137 // initialize OpenGL rendering : 142 // initialize OpenGL rendering :
138 fHDC = ::GetDC(fWindow); 143 fHDC = ::GetDC(fWindow);
139 if( fHDC && (SetWindowPixelFormat(fHDC)==TRU 144 if( fHDC && (SetWindowPixelFormat(fHDC)==TRUE) ) {
140 fHGLRC = ::wglCreateContext(fHDC); 145 fHGLRC = ::wglCreateContext(fHDC);
141 } 146 }
142 147
143 if(fHDC && fHGLRC) { 148 if(fHDC && fHGLRC) {
144 ::wglMakeCurrent(fHDC,fHGLRC); 149 ::wglMakeCurrent(fHDC,fHGLRC);
145 } 150 }
146 151
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); 152 ::SetForegroundWindow(fWindow);
153 ::ShowWindow(fWindow,SW_SHOWDEFAULT); 153 ::ShowWindow(fWindow,SW_SHOWDEFAULT);
154 ::UpdateWindow(fWindow); 154 ::UpdateWindow(fWindow);
155 ::DrawMenuBar(fWindow); 155 ::DrawMenuBar(fWindow);
156 <<
157 fInCreateWindow = false; <<
158 } 156 }
159 157
160 ////////////////////////////////////////////// 158 //////////////////////////////////////////////////////////////////////////////
161 G4OpenGLWin32Viewer::G4OpenGLWin32Viewer ( 159 G4OpenGLWin32Viewer::G4OpenGLWin32Viewer (
162 G4OpenGLSceneHandler& scene 160 G4OpenGLSceneHandler& scene
163 ) 161 )
164 :G4VViewer (scene, -1) 162 :G4VViewer (scene, -1)
165 ,G4OpenGLViewer (scene) 163 ,G4OpenGLViewer (scene)
166 ,fMouseHovered(false) <<
167 ,fMousePressed(false) <<
168 ,fMousePressedX(0) <<
169 ,fMousePressedY(0) <<
170 ,fHDC(0) <<
171 ,fWindow(0) 164 ,fWindow(0)
>> 165 ,fHDC(0)
172 ,fHGLRC(0) 166 ,fHGLRC(0)
173 ,fInCreateWindow(false) <<
174 ////////////////////////////////////////////// 167 //////////////////////////////////////////////////////////////////////////////
175 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 168 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
176 { 169 {
177 } 170 }
178 171
179 ////////////////////////////////////////////// 172 //////////////////////////////////////////////////////////////////////////////
180 G4OpenGLWin32Viewer::~G4OpenGLWin32Viewer ( 173 G4OpenGLWin32Viewer::~G4OpenGLWin32Viewer (
181 ) 174 )
182 ////////////////////////////////////////////// 175 //////////////////////////////////////////////////////////////////////////////
183 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 176 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
184 { 177 {
185 // This is the end (Jim Morisson). 178 // This is the end (Jim Morisson).
186 if (fViewId >= 0) { 179 if (fViewId >= 0) {
187 if(wglGetCurrentContext()!=NULL) wglMakeCu 180 if(wglGetCurrentContext()!=NULL) wglMakeCurrent(NULL,NULL);
188 if(fHGLRC) { 181 if(fHGLRC) {
189 wglDeleteContext(fHGLRC); 182 wglDeleteContext(fHGLRC);
190 fHGLRC = NULL; 183 fHGLRC = NULL;
191 } 184 }
192 185
193 if(fWindow) { 186 if(fWindow) {
194 ::SetWindowLongPtr(fWindow,GWLP_USERDATA << 187 ::SetWindowLong(fWindow,GWL_USERDATA,LONG(NULL));
195 if(fHDC) ::ReleaseDC(fWindow,fHDC); 188 if(fHDC) ::ReleaseDC(fWindow,fHDC);
196 ::DestroyWindow(fWindow); 189 ::DestroyWindow(fWindow);
197 } 190 }
198 } 191 }
199 } 192 }
200 193
201 ////////////////////////////////////////////// 194 //////////////////////////////////////////////////////////////////////////////
202 LRESULT CALLBACK G4OpenGLWin32Viewer::WindowPr << 195 LRESULT CALLBACK G4OpenGLWin32Viewer::WindowProc (
203 HWND aWindow << 196 HWND aWindow
204 ,UINT aMessage << 197 ,UINT aMessage
205 ,WPARAM aWParam 198 ,WPARAM aWParam
206 ,LPARAM aLParam 199 ,LPARAM aLParam
207 ) 200 )
208 ////////////////////////////////////////////// 201 //////////////////////////////////////////////////////////////////////////////
209 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 202 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
210 { 203 {
211 switch (aMessage) { << 204 /*
212 case WM_SIZE: { << 205 switch (aMessage) {
213 //FIXME : have to handle WM_RESIZE << 206 case WM_PAINT:{
214 // Seems to be done (ovidio.pena AT upm. << 207 printf("debug : PAINT\n");
215 auto* This = (G4OpenGLWin32Viewer*) << 208 HDC hDC;
216 ::GetWindowLongPtr(aWindow, << 209 PAINTSTRUCT ps;
217 if (This) { << 210 hDC = BeginPaint(aWindow,&ps);
218 This->fWinSize_x = (G4int) LOWORD(aLPa << 211 if(This) {
219 This->fWinSize_y = (G4int) HIWORD(aLPa << 212 // FIXME : To have an automatic refresh someone have to redraw here.
220 if (!This->fInCreateWindow) { << 213 }
221 This->SetView(); << 214 EndPaint(aWindow, &ps);
222 glViewport(0, 0, This->fWinSize_x, T << 215
223 This->DrawView(); << 216 //FIXME : have to handle WM_RESIZE
224 } << 217 //pView->fWinSize_x = (G4int) width;
225 } << 218 //pView->fWinSize_y = (G4int) height;
226 return 0; << 219 G4OpenGLWin32Viewer* This =
227 } << 220 (G4OpenGLWin32Viewer*)::GetWindowLong(aWindow,GWL_USERDATA);
228 << 221 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(); 222 This->SetView();
>> 223 glViewport(0,0,This->fWinSize_x,This->fWinSize_y);
337 This->ClearView(); 224 This->ClearView();
338 This->DrawView(); 225 This->DrawView();
339 return 0; << 226 // WARNING : the below empty the Windows message queue...
>> 227 This->FinishView();
340 } 228 }
341 << 229 } return 0;
342 default: << 230 default:
343 return DefWindowProc(aWindow, aMessage, << 231 return DefWindowProc(aWindow,aMessage,aWParam,aLParam);
344 } 232 }
345 // return DefWindowProc(aWindow,aMessage,aWPa << 233 */
>> 234 return DefWindowProc(aWindow,aMessage,aWParam,aLParam);
346 } 235 }
347 236
348 ////////////////////////////////////////////// 237 //////////////////////////////////////////////////////////////////////////////
349 G4bool G4OpenGLWin32Viewer::SetWindowPixelForm << 238 bool G4OpenGLWin32Viewer::SetWindowPixelFormat(
350 HDC aHdc 239 HDC aHdc
351 ) 240 )
352 ////////////////////////////////////////////// 241 //////////////////////////////////////////////////////////////////////////////
353 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 242 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
354 { 243 {
355 // The ungessable... 244 // The ungessable...
356 245
357 PIXELFORMATDESCRIPTOR pfd; 246 PIXELFORMATDESCRIPTOR pfd;
358 pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); 247 pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
359 pfd.nVersion = 1; 248 pfd.nVersion = 1;
360 pfd.dwFlags = 249 pfd.dwFlags =
361 PFD_DRAW_TO_WINDOW | 250 PFD_DRAW_TO_WINDOW |
362 PFD_SUPPORT_OPENGL | 251 PFD_SUPPORT_OPENGL |
363 PFD_DOUBLEBUFFER | 252 PFD_DOUBLEBUFFER |
364 PFD_STEREO_DONTCARE; 253 PFD_STEREO_DONTCARE;
365 pfd.iPixelType = PFD_TYPE_RGBA; 254 pfd.iPixelType = PFD_TYPE_RGBA;
366 pfd.cColorBits = 32; 255 pfd.cColorBits = 32;
367 pfd.cRedBits = 8; 256 pfd.cRedBits = 8;
368 pfd.cRedShift = 16; 257 pfd.cRedShift = 16;
369 pfd.cGreenBits = 8; 258 pfd.cGreenBits = 8;
370 pfd.cGreenShift = 8; 259 pfd.cGreenShift = 8;
371 pfd.cBlueBits = 8; 260 pfd.cBlueBits = 8;
372 pfd.cBlueShift = 0; 261 pfd.cBlueShift = 0;
373 pfd.cAlphaBits = 0; 262 pfd.cAlphaBits = 0;
374 pfd.cAlphaShift = 0; 263 pfd.cAlphaShift = 0;
375 pfd.cAccumBits = 64; 264 pfd.cAccumBits = 64;
376 pfd.cAccumRedBits = 16; 265 pfd.cAccumRedBits = 16;
377 pfd.cAccumGreenBits = 16; 266 pfd.cAccumGreenBits = 16;
378 pfd.cAccumBlueBits = 16; 267 pfd.cAccumBlueBits = 16;
379 pfd.cAccumAlphaBits = 0; 268 pfd.cAccumAlphaBits = 0;
380 pfd.cDepthBits = 32; 269 pfd.cDepthBits = 32;
381 pfd.cStencilBits = 8; 270 pfd.cStencilBits = 8;
382 pfd.cAuxBuffers = 0; 271 pfd.cAuxBuffers = 0;
383 pfd.iLayerType = PFD_MAIN_PLANE; 272 pfd.iLayerType = PFD_MAIN_PLANE;
384 pfd.bReserved = 0; 273 pfd.bReserved = 0;
385 pfd.dwLayerMask = 0; 274 pfd.dwLayerMask = 0;
386 pfd.dwVisibleMask = 0; 275 pfd.dwVisibleMask = 0;
387 pfd.dwDamageMask = 0; 276 pfd.dwDamageMask = 0;
388 277
389 G4int pixelIndex = ::ChoosePixelFormat(aHdc, << 278 int pixelIndex = ::ChoosePixelFormat(aHdc,&pfd);
390 if (pixelIndex==0) { 279 if (pixelIndex==0) {
391 pixelIndex = 1; 280 pixelIndex = 1;
392 if (::DescribePixelFormat(aHdc, 281 if (::DescribePixelFormat(aHdc,
393 pixelIndex, 282 pixelIndex,
394 sizeof(PIXELFORMATDESCRIPTOR), 283 sizeof(PIXELFORMATDESCRIPTOR),
395 &pfd)==0) { 284 &pfd)==0) {
396 return false; 285 return false;
397 } 286 }
398 } 287 }
399 if (::SetPixelFormat(aHdc,pixelIndex,&pfd)== 288 if (::SetPixelFormat(aHdc,pixelIndex,&pfd)==FALSE) return false;
400 return true; 289 return true;
401 } 290 }
402 291
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 } <<
484 292
>> 293 #endif
485 294