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ChildView.cpp
资源名称：3dSimplifier.zip　[点击查看]
上传用户：lin85885
上传日期：2013-04-27
资源大小：796k
文件大小：29k
源码类别：

3D图形编程

开发平台：

Visual C++

ChildView.cpp：源码内容
  1. // ChildView.cpp : implementation of the CChildView class
  2. //
  4. #include "stdafx.h"
  5. #include <GL/gl.h>
  6. #include <GL/glu.h>
  7. #include <GL/glaux.h>
  8. #include "Simplifier.h"
  9. #include "ChildView.h"
  10. #include "MainFrm.h"
  11. #include "InitOpenGL.h"
  12. #include "SimplifyDiag.h"
  14. #ifdef _DEBUG
  15. #define new DEBUG_NEW
  16. #undef THIS_FILE
  17. static char THIS_FILE[] = __FILE__;
  18. #endif
  20. /////////////////////////////////////////////////////////////////////////////
  21. // CChildView
  23. CChildView::CChildView()
  24. {
  25. m_fViewHeight = 2.0;
  26. m_fViewNear = -2.0;
  27. m_fViewFar = 2.0;
  29. m_nMouseAct = MOUSE_SPIN;
  30. m_bAnimate = FALSE;
  31. m_bAxes = TRUE;
  33. m_spinAngle = 0.0;
  34. m_spinAxes[0] = m_spinAxes[2] = 0.0; m_spinAxes[1] = 1.0;
  36. m_sEye.origin.x = m_sEye.origin.y = m_sEye.origin.z = 0.0;
  37. m_sEye.center.x = m_sEye.center.y = 0.0; m_sEye.center.z = -1.0;
  38. m_sEye.up.x = m_sEye.up.z = 0.0; m_sEye.up.y = 1.0;
  39. m_sEye.axisX.y = m_sEye.axisX.z = 0.0; m_sEye.axisX.x = 1.0;
  40. m_sEye.axisY.x = m_sEye.axisY.z = 0.0; m_sEye.axisY.y = 1.0;
  41. m_sEye.axisZ.x = m_sEye.axisZ.y = 0.0; m_sEye.axisZ.z = -1.0;
  42. m_vProjectCenter[0] = 0.0f;
  43. m_vProjectCenter[1] = 0.0f;
  44. m_vProjectCenter[2] = (m_fViewNear+m_fViewFar)/2;
  46. m_nRenderModel = 1;
  47. m_nRenderMode = 1;
  48. m_pModel = NULL;
  49. m_nFaceNo = 0;
  50. }
  52. CChildView::~CChildView()
  53. {
  54. if (m_pModel)
  55. delete m_pModel;
  56. }
  59. BEGIN_MESSAGE_MAP(CChildView,CWnd )
  60. //{{AFX_MSG_MAP(CChildView)
  61. ON_WM_PAINT()
  62. ON_WM_SIZE()
  63. ON_WM_CREATE()
  64. ON_WM_MOUSEMOVE()
  65. ON_WM_LBUTTONDOWN()
  66. ON_WM_LBUTTONUP( )
  67. ON_WM_SETCURSOR()
  68. ON_WM_TIMER()
  69. ON_WM_CONTEXTMENU()
  70. ON_COMMAND(ID_MOUSE_SPIN, OnMouseSpin)
  71. ON_UPDATE_COMMAND_UI(ID_MOUSE_SPIN, OnUpdateMouseSpin)
  72. ON_COMMAND(ID_MOUSE_TRANSLATE, OnMouseTranslate)
  73. ON_UPDATE_COMMAND_UI(ID_MOUSE_TRANSLATE, OnUpdateMouseTranslate)
  74. ON_COMMAND(ID_MOUSE_ZOOM, OnMouseZoom)
  75. ON_UPDATE_COMMAND_UI(ID_MOUSE_ZOOM, OnUpdateMouseZoom)
  76. ON_COMMAND(ID_ANIMATE, OnAnimate)
  77. ON_UPDATE_COMMAND_UI(ID_ANIMATE, OnUpdateAnimate)
  78. ON_COMMAND(ID_SPIN_XCCW, OnSpinXccw)
  79. ON_COMMAND(ID_SPIN_XCW, OnSpinXcw)
  80. ON_COMMAND(ID_SPIN_YCCW, OnSpinYccw)
  81. ON_COMMAND(ID_SPIN_YCW, OnSpinYcw)
  82. ON_COMMAND(ID_SPIN_ZCCW, OnSpinZccw)
  83. ON_COMMAND(ID_SPIN_ZCW, OnSpinZcw)
  84. ON_COMMAND(ID_ZOOM_IN, OnZoomIn)
  85. ON_COMMAND(ID_ZOOM_OUT, OnZoomOut)
  86. ON_COMMAND(ID_OPEN_FILE, OnOpenFile)
  87. ON_COMMAND(IDM_ORIGINAL_MODEL, OnOriginalModel)
  88. ON_UPDATE_COMMAND_UI(IDM_ORIGINAL_MODEL, OnUpdateOriginalModel)
  89. ON_COMMAND(IDM_SIMPLIFIED_MODEL, OnSimplifiedModel)
  90. ON_UPDATE_COMMAND_UI(IDM_SIMPLIFIED_MODEL, OnUpdateSimplifiedModel)
  91. ON_COMMAND(IDM_WIREFRAME, OnWireframe)
  92. ON_UPDATE_COMMAND_UI(IDM_WIREFRAME, OnUpdateWireframe)
  93. ON_COMMAND(IDM_FLAT, OnFlat)
  94. ON_UPDATE_COMMAND_UI(IDM_FLAT, OnUpdateFlat)
  95. ON_COMMAND(ID_SIMPLIFY, OnSimplify)
  96. ON_COMMAND(ID_SAVE_FILE, OnSaveFile)
  97. ON_COMMAND(ID_AXES, OnAxes)
  98. ON_UPDATE_COMMAND_UI(ID_AXES, OnUpdateAxes)
  99. ON_COMMAND(IDM_SAVE_PICTURE, OnSavePicture)
  100. ON_UPDATE_COMMAND_UI(ID_SIMPLIFY, OnUpdateSimplify)
  101. ON_UPDATE_COMMAND_UI(ID_SAVE_FILE, OnUpdateSaveFile)
  102. ON_COMMAND(ID_CLOSE_FILE, OnCloseFile)
  103. ON_UPDATE_COMMAND_UI(ID_CLOSE_FILE, OnUpdateCloseFile)
  104. //}}AFX_MSG_MAP
  105. END_MESSAGE_MAP()
  108. /////////////////////////////////////////////////////////////////////////////
  109. // CChildView message handlers
  111. int CChildView::OnCreate( LPCREATESTRUCT lpCreateStruct )
  112. {
  113. if (CWnd::OnCreate(lpCreateStruct) == -1)
  114. return -1;
  116. Init();
  118. return 0;
  119. }
  121. BOOL CChildView::PreCreateWindow(CREATESTRUCT& cs) 
  122. {
  123. cs.style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN ;
  124. cs.dwExStyle |= WS_EX_CLIENTEDGE;
  125. cs.style &= ~WS_BORDER;
  126. cs.lpszClass = AfxRegisterWndClass(CS_OWNDC|CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS, 
  127. ::LoadCursor(NULL, IDC_ARROW), HBRUSH(COLOR_WINDOW+1), NULL);
  129. if (!CWnd::PreCreateWindow(cs))
  130. return FALSE;
  132. return TRUE;
  133. }
  135. void CChildView::OnPaint() 
  136. {
  137. CPaintDC dc(this); // device context for painting
  139. // TODO: Add your message handler code here
  140. DrawScene();
  141. // Do not call CWnd::OnPaint() for painting messages
  142. }
  144. void CChildView::OnSize( UINT nType, int cx, int cy )
  145. {
  146. CWnd::OnSize(nType, cx, cy);
  147. Project();
  148. }
  150. BOOL CChildView::OnCommand(WPARAM wParam, LPARAM lParam) 
  151. {
  152. WORD nID = wParam & 0x0000ffff;
  154. switch (nID)
  155. {
  156. case ID_ZOOM_IN:
  157. OnZoomIn();
  158. break;
  159. case ID_ZOOM_OUT:
  160. OnZoomOut();
  161. break;
  162. case ID_SPIN_XCW:
  163. OnSpinXcw();
  164. break;
  165. case ID_SPIN_XCCW:
  166. OnSpinXccw();
  167. break;
  168. case ID_SPIN_YCW:
  169. OnSpinYcw();
  170. break;
  171. case ID_SPIN_YCCW:
  172. OnSpinYccw();
  173. break;
  174. case ID_SPIN_ZCW:
  175. OnSpinZcw();
  176. break;
  177. case ID_SPIN_ZCCW:
  178. OnSpinZccw();
  179. break;
  180. }
  182. return CWnd ::OnCommand(wParam, lParam);
  183. }
  185. void CChildView::OnTimer( UINT nIDEvent )
  186. {
  187. if (nIDEvent == TIMER_ANIMATE)
  188. {
  189. if (m_bAnimate && (m_spinAngle!=0.0) )
  190. SpinGlobal(m_spinAxes, m_spinAngle);
  191. }
  192. else if (nIDEvent == TIMER_TOOLBAR)
  193. {
  194. CMainFrame *pFrameWnd = (CMainFrame*)AfxGetMainWnd();
  195. int count = (pFrameWnd->m_wndInteractRight).GetToolBarCtrl().GetButtonCount();
  196. int nIndex;
  198. for( nIndex = 0; nIndex < count; nIndex++)
  199. {
  200. if( (pFrameWnd->m_wndInteractRight).GetToolBarCtrl().IsButtonPressed( (pFrameWnd->m_wndInteractRight).GetItemID( nIndex)))
  201. {
  202. pFrameWnd->SendMessage( WM_COMMAND, 
  203. (pFrameWnd->m_wndInteractRight).GetItemID( nIndex), (LPARAM)m_hWnd);
  204. break;
  205. }
  206. }
  207. }
  208. }
  210. void CChildView::OnContextMenu( CWnd* pWnd, CPoint pos )
  211. {
  212. CMenu menu;
  213. menu.LoadMenu(IDR_CONTEXTMENU);
  214. TRACE("%d  %d  n",pos.x,pos.y);
  215. menu.GetSubMenu(0)->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,
  216. pos.x,pos.y,this);
  217. }
  219. void CChildView::OnMouseMove( UINT nFlags, CPoint point )
  220. {
  221. if (m_nMouseAct == MOUSE_SPIN)
  222. {
  223. MouseSpinGlobal(nFlags, point.x, point.y, 0);
  224. }
  225. else if (m_nMouseAct == MOUSE_ZOOM)
  226. {
  227. MouseZoom(nFlags, point.x, point.y);
  228. }
  229. else if (m_nMouseAct == MOUSE_TRANSLATE)
  230. {
  231. MouseTranslate(nFlags, point.x, point.y);
  232. }
  234. CWnd::OnMouseMove(nFlags, point);
  235. }
  237. void CChildView::OnLButtonDown(UINT nFlags, CPoint point) 
  238. {
  239. m_spinAngle = 0.0f;
  240. if (m_nMouseAct == MOUSE_SPIN)
  241. {
  242. if (m_bAnimate)
  243. SetTimer(TIMER_ANIMATE,ANIMATE_RATE,NULL);
  245. MouseSpinGlobal(nFlags, point.x, point.y, 1);
  246. }
  247. else if (m_nMouseAct == MOUSE_ZOOM)
  248. {
  249. MouseZoom(nFlags, point.x, point.y);
  250. }
  251. else if (m_nMouseAct == MOUSE_TRANSLATE)
  252. {
  253. MouseTranslate(nFlags, point.x, point.y);
  254. }
  256. CWnd::OnLButtonDown(nFlags, point);
  258. MSG msg;
  259. while(::PeekMessage( &msg, m_hWnd,
  260. WM_MOUSEMOVE, WM_MOUSEMOVE,
  261. PM_REMOVE))
  262. ;
  264. m_bLButtonDown = TRUE;
  265. }
  267. void CChildView::OnLButtonUp(UINT nFlags, CPoint point)
  268. {
  269. m_bLButtonDown = FALSE;
  271. MSG msg;
  272. while(::PeekMessage( &msg, m_hWnd,
  273. WM_MOUSEMOVE, WM_MOUSEMOVE,
  274. PM_REMOVE))
  275. ;
  277. CWnd::OnLButtonUp(nFlags, point);
  278. }
  280. BOOL CChildView::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
  281. {
  282. HCURSOR hCursor;
  284. switch (m_nMouseAct)
  285. {
  286. case MOUSE_SPIN:
  287. hCursor = AfxGetApp()->LoadCursor( IDC_SPIN );
  288. SetCursor( hCursor );
  289. break;
  290. case MOUSE_ZOOM:
  291. hCursor = AfxGetApp()->LoadCursor( IDC_ZOOM );
  292. SetCursor( hCursor );
  293. break;
  294. case MOUSE_TRANSLATE:
  295. hCursor = AfxGetApp()->LoadCursor( IDC_TRANSLATE );
  296. SetCursor( hCursor );
  297. break;
  298. default:
  299. hCursor = AfxGetApp()->LoadCursor( IDC_ARROW );
  300. SetCursor( hCursor );
  301. break;
  302. }
  304. return TRUE;
  305. }
  307. void CChildView::OnOriginalModel() 
  308. {
  309. if (m_nRenderModel == 1)
  310. {
  311. m_nRenderModel = 0;
  312. DrawScene();
  313. }
  314. }
  316. void CChildView::OnUpdateOriginalModel(CCmdUI* pCmdUI) 
  317. {
  318. pCmdUI->SetCheck(m_nRenderModel == 0);
  319. }
  321. void CChildView::OnSimplifiedModel() 
  322. {
  323. if (m_nRenderModel == 0)
  324. {
  325. m_nRenderModel = 1;
  326. DrawScene();
  327. }
  328. }
  330. void CChildView::OnUpdateSimplifiedModel(CCmdUI* pCmdUI) 
  331. {
  332. pCmdUI->SetCheck(m_nRenderModel == 1);
  333. }
  335. void CChildView::OnWireframe() 
  336. {
  337. if (m_nRenderMode == 1)
  338. {
  339. m_nRenderMode = 0;
  340. DrawScene();
  341. }
  342. }
  344. void CChildView::OnUpdateWireframe(CCmdUI* pCmdUI) 
  345. {
  346. pCmdUI->SetCheck(m_nRenderMode == 0);
  347. }
  349. void CChildView::OnFlat() 
  350. {
  351. if (m_nRenderMode == 0)
  352. {
  353. m_nRenderMode = 1;
  354. DrawScene();
  355. }
  356. }
  358. void CChildView::OnUpdateFlat(CCmdUI* pCmdUI) 
  359. {
  360. pCmdUI->SetCheck(m_nRenderMode == 1);
  361. }
  363. void CChildView::OnOpenFile() 
  364. {
  365. CFileDialog loadmesh(TRUE,  "tm" , NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, "tm文件(*.tm)|*.tm||");
  366. loadmesh.m_ofn.lpstrTitle ="打开模型文件";
  368. //SetCurrentDirectory(".\");
  369. if (loadmesh.DoModal() == IDOK )
  370. {
  371. CString filename;
  372. CString fileext;
  374. fileext  = loadmesh.GetFileExt();
  375. filename = loadmesh.GetPathName();
  376. if (!filename.IsEmpty()) {
  377. FILE *fp;
  379. fp = fopen(filename, "r");
  380. if (!fp) {
  381. AfxMessageBox("Can't open file to load");
  382. return;
  383. }
  384. if (!fileext.CompareNoCase("tm"))
  385. {
  386. if (m_pModel)
  387. delete m_pModel;
  388. m_pModel = new CMesh;
  390. HCURSOR hCursor, hOldCursor;
  391. hCursor = AfxGetApp()->LoadCursor( IDC_MY_WAIT );
  392. hOldCursor = SetCursor( hCursor );
  394. CMainFrame *pFrameWnd = (CMainFrame*)AfxGetMainWnd();
  395. pFrameWnd->m_Progress.SetPos(0);
  396. m_pModel->m_pProgress = &(pFrameWnd->m_Progress);
  398. m_nFaceNo = m_pModel->ReadData(fp);
  399. if (m_bAnimate)
  400. OnAnimate();
  401. m_spinAngle = 0.0;
  403. pFrameWnd->m_Progress.SetPos(0);
  404. m_pModel->m_pProgress = NULL;
  405. SetCursor(hOldCursor);
  406. }
  407. fclose(fp);
  409. CMainFrame *pFrameWnd = (CMainFrame*)AfxGetMainWnd();
  410. char tmps[80];
  411. sprintf(tmps,"原始模型:%d", m_nFaceNo);
  412. pFrameWnd->m_wndStatusBar.SetPaneText(1,tmps);
  413. m_nsFaceNo = m_nFaceNo;
  414. sprintf(tmps,"简化模型:%d", m_nsFaceNo);
  415. pFrameWnd->m_wndStatusBar.SetPaneText(2,tmps);
  417. DrawScene();
  418. }
  419. }
  420. }
  422. void CChildView::OnSaveFile() 
  423. {
  424. if (!m_pModel)
  425. return;
  427. CFileDialog savemesh(FALSE,  "tm" , NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, "tm文件(*.tm)|*.tm||");
  428. savemesh.m_ofn.lpstrTitle ="保存模型文件";
  430. SetCurrentDirectory(".\Mesh");
  431. if (savemesh.DoModal() == IDOK )
  432. {
  433. CString filename;
  434. CString fileext;
  436. fileext  = savemesh.GetFileExt();
  437. filename = savemesh.GetPathName();
  438. if (!filename.IsEmpty()) {
  439. FILE *fp;
  441. fp = fopen(filename, "w");
  442. if (!fp) {
  443. AfxMessageBox("Can't open file to load");
  444. return;
  445. }
  446. if (!fileext.CompareNoCase("tm"))
  447. {
  448. HCURSOR hCursor, hOldCursor;
  449. hCursor = AfxGetApp()->LoadCursor( IDC_MY_WAIT );
  450. hOldCursor = SetCursor( hCursor );
  452. CMainFrame *pFrameWnd = (CMainFrame*)AfxGetMainWnd();
  453. pFrameWnd->m_Progress.SetPos(0);
  454. m_pModel->m_pProgress = &(pFrameWnd->m_Progress);
  456. m_pModel->SaveData(fp);
  458. pFrameWnd->m_Progress.SetPos(0);
  459. m_pModel->m_pProgress = NULL;
  460. SetCursor(hOldCursor);
  461. }
  462. fclose(fp);
  463. }
  464. }
  465. }
  467. void CChildView::OnUpdateSaveFile(CCmdUI* pCmdUI) 
  468. {
  469. pCmdUI->Enable(m_pModel != NULL);
  470. }
  472. void CChildView::OnSavePicture() 
  473. {
  474. CFileDialog savefile(FALSE, ".bmp", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, "BMP文件(*.bmp)|*.bmp||"); 
  475. savefile.m_ofn.lpstrTitle = "存为BMP图象" ;
  477. if ( savefile.DoModal() == IDOK )
  478. {
  479. CString filename;
  480. char temp[80];
  482. filename = savefile.GetPathName();
  483. sprintf(temp,"%s",filename);
  484. SaveAsBMP(temp);
  485. }
  486. }
  488. void CChildView::OnSimplify() 
  489. {
  490. if (!m_pModel)
  491. return;
  493. HCURSOR hCursor, hOldCursor;
  495. CSimplifyDiag diag(m_nFaceNo);
  497. if (diag.DoModal() == IDOK)
  498. {
  499. hCursor = AfxGetApp()->LoadCursor( IDC_MY_WAIT );
  500. hOldCursor = SetCursor( hCursor );
  502. CMainFrame *pFrameWnd = (CMainFrame*)AfxGetMainWnd();
  504. pFrameWnd->m_Progress.SetPos(1);
  506. m_pModel->m_pProgress = &(pFrameWnd->m_Progress);
  508. if ((diag.m_nInputMode == 0)&&(diag.m_nFaceNo>0)&&(diag.m_nFaceNo<m_nFaceNo))
  509. m_nsFaceNo = m_pModel->Simplify(diag.m_nFaceNo);
  510. else if (diag.m_nInputMode == 1)
  511. m_nsFaceNo = m_pModel->Simplify(diag.m_fRate/100);
  513. if (m_nRenderModel == 1)
  514. DrawScene();
  516. pFrameWnd->m_Progress.SetPos(0);
  517. m_pModel->m_pProgress = NULL;
  519. char tmps[80];
  520. sprintf(tmps,"简化模型:%d", m_nsFaceNo);
  521. pFrameWnd->m_wndStatusBar.SetPaneText(2,tmps);
  523. SetCursor(hOldCursor);
  524. }
  525. }
  527. void CChildView::OnUpdateSimplify(CCmdUI* pCmdUI) 
  528. {
  529. pCmdUI->Enable(m_pModel != NULL);
  530. }
  532. void CChildView::OnCloseFile() 
  533. {
  534. if (m_pModel)
  535. delete m_pModel;
  536. m_pModel = NULL;
  537. DrawScene();
  538. }
  540. void CChildView::OnUpdateCloseFile(CCmdUI* pCmdUI) 
  541. {
  542. pCmdUI->Enable(m_pModel != NULL);
  543. }
  545. void CChildView::OnAxes() 
  546. {
  547. m_bAxes = !m_bAxes;
  548. DrawScene();
  549. }
  551. void CChildView::OnUpdateAxes(CCmdUI* pCmdUI) 
  552. {
  553. pCmdUI->SetCheck(m_bAxes);
  554. }
  556. void CChildView::OnAnimate() 
  557. {
  558. if (m_bAnimate)
  559. KillTimer(TIMER_ANIMATE);
  560. else
  561. SetTimer( TIMER_ANIMATE, ANIMATE_RATE, NULL );
  562. m_bAnimate = !m_bAnimate;
  563. }
  565. void CChildView::OnUpdateAnimate(CCmdUI* pCmdUI) 
  566. {
  567. pCmdUI->SetCheck(m_bAnimate);
  568. }
  570. void CChildView::OnMouseSpin() 
  571. {
  572. m_nMouseAct = MOUSE_SPIN;
  573. }
  575. void CChildView::OnUpdateMouseSpin(CCmdUI* pCmdUI) 
  576. {
  577. pCmdUI->SetCheck( m_nMouseAct == MOUSE_SPIN);
  578. }
  580. void CChildView::OnMouseTranslate() 
  581. {
  582. m_nMouseAct = MOUSE_TRANSLATE;
  583. }
  585. void CChildView::OnUpdateMouseTranslate(CCmdUI* pCmdUI) 
  586. {
  587. pCmdUI->SetCheck( m_nMouseAct == MOUSE_TRANSLATE);
  588. }
  590. void CChildView::OnMouseZoom() 
  591. {
  592. m_nMouseAct = MOUSE_ZOOM;
  593. }
  595. void CChildView::OnUpdateMouseZoom(CCmdUI* pCmdUI) 
  596. {
  597. pCmdUI->SetCheck( m_nMouseAct == MOUSE_ZOOM);
  598. }
  600. BOOL CChildView::SetThePixelFormat(CDC *pDC)
  601. {
  602.     static PIXELFORMATDESCRIPTOR pfd = {
  603. sizeof(PIXELFORMATDESCRIPTOR), // size of this pfd
  604. 1,                              // version number
  605. PFD_DRAW_TO_WINDOW |            // support window
  606. PFD_SUPPORT_OPENGL |            // support OpenGL
  607. PFD_DOUBLEBUFFER,               // double buffered
  608. PFD_TYPE_RGBA,                  // RGBA type
  609. 24,                             // 24-bit color depth
  610. 0, 0, 0, 0, 0, 0,               // color bits ignored
  611. 0,                              // no alpha buffer
  612. 0,                              // shift bit ignored
  613. 0,                              // no accumulation buffer
  614. 0, 0, 0, 0,                     // accum bits ignored
  615. 32,                             // 32-bit z-buffer
  616. 0,                              // no stencil buffer
  617. 0,                              // no auxiliary buffer
  618. PFD_MAIN_PLANE,                 // main layer
  619. 0,                              // reserved
  620. 0, 0, 0                         // layer masks ignored
  621.     };
  623. int pixelformat;
  624.     if((pixelformat = ChoosePixelFormat(m_hDc, &pfd)) == 0)
  625.     {
  626.         MessageBox( "ChoosePixelFormat failed", "Error", MB_OK);
  627.         return FALSE;
  628.     }
  630.     if(SetPixelFormat(m_hDc, pixelformat, &pfd) == FALSE)
  631.     {
  632.         MessageBox( "SetPixelFormat failed", "Error", MB_OK);
  633.         return FALSE;
  634.     }
  636.     CreateRGBPalette(m_hDc);
  638.     return TRUE;
  639. }
  641. void CChildView::MouseSpinGlobal(UINT nFlags, int x, int y, int init)
  642. {
  643. // use mouse to play 3D trackball transformation
  644. // see also Intel 3DR
  646. float centerX, centerY;
  647. float radius;
  648. float w, h;  // window
  650.     RECT rect;
  651.     GetClientRect( &rect);
  652.     w =(float)rect.right;
  653. h =(float)rect.bottom;
  654.     h = (h == 0.0f) ? 1.0f : h;
  656.     centerX = w / 2.0f;
  657. centerY = h / 2.0f;
  658. radius  = (w > h) ? centerY : centerX ;
  660. if (init)
  661. {
  662.  // And call Trackball() with current center, radius 
  663.  // and current cursor position (in client coordinates) 
  664.  // to initialize trackball internal parameters.
  665.  // Note that we must stop animation at that time.
  667. Trackball( 0, radius, centerX, centerY, (float)x, (float)(h-y), 
  668.            m_spinAxes[0], m_spinAxes[1], m_spinAxes[2], m_spinAngle);
  669. }
  670. else if ( nFlags & MK_LBUTTON )
  671. {
  672.     Trackball(1, radius, centerX, centerY, (float)x, (float)(h-y), 
  673.       m_spinAxes[0], m_spinAxes[1], m_spinAxes[2], m_spinAngle);
  674. SpinGlobal(m_spinAxes, m_spinAngle);
  675. }
  676. }
  678. void CChildView::SpinGlobal(float axes[], float angle)
  679. {
  680. EyeRotate(m_vProjectCenter, axes, angle, m_sEye );
  681. DrawScene(); 
  682. }
  684. void CChildView::MouseZoom(UINT nFlags, int x, int y)
  685. {
  686. float w, h;
  687. float scale;
  688. static float oldY, dy ;
  690. RECT rect;
  691. GetClientRect( &rect);
  692. w =(float)rect.right;
  693. h =(float)rect.bottom;
  694. h = (h == 0.0f) ? 1.0f : h;
  696. if( m_bLButtonDown && (nFlags & MK_LBUTTON))
  697. {
  698. dy=oldY-y;
  699. scale=1.0f+dy/h;
  700. Zoom(scale);
  701. oldY=(float)y;
  702. }
  703. else
  704. {
  705. oldY=(float)y;
  706. }
  707. }
  709. void CChildView::Zoom(float scale)
  710. {
  711. if(scale<0.001) return;
  712. m_fViewHeight/=scale;
  713. Project();
  714. DrawScene();
  715. }
  717. void CChildView::MouseTranslate(UINT nFlags, int x, int y)
  718. {
  719. float w, h;
  720. static float oldX, oldY, dx, dy, d[3] ;
  722. RECT rect;
  723. GetClientRect( &rect);
  724. w =(float)rect.right;
  725. h =(float)rect.bottom;
  726. h = (h == 0.0f) ? 1.0f : h;
  728. if( m_bLButtonDown && (nFlags & MK_LBUTTON))
  729. {
  730. dx=x-oldX;
  731. dy=oldY-y;
  732. d[0]=m_fViewWidth*dx/w*0.8f;
  733. d[1]=m_fViewHeight*dy/h*0.8f;           
  734. d[2]=0.0f;
  735. Translate(d);   
  736. oldX=(float)x;
  737. oldY=(float)y;
  738. }
  739. else
  740. {
  741. oldX=(float)x;
  742. oldY=(float)y;
  743. }
  744. }
  746. void CChildView::Translate(float d[])
  747. {
  748. EyeTranslate(d, m_sEye);
  749. DrawScene();
  750. }
  752. void CChildView::OnSpinXccw() 
  753. {
  754. KillTimer(TIMER_ANIMATE);
  756. glRotatef(ROTATE_RATE, 1.0f, 0.0f, 0.0f);
  757. DrawScene();
  758. }
  760. void CChildView::OnSpinXcw() 
  761. {
  762. KillTimer(TIMER_ANIMATE);
  764. MSG msg;
  765. while(::PeekMessage( &msg, m_hWnd,
  766. WM_TIMER, WM_TIMER,
  767. PM_REMOVE));
  769. glRotatef(-ROTATE_RATE, 1.0f, 0.0f, 0.0f);
  770. DrawScene();
  771. }
  773. void CChildView::OnSpinYccw() 
  774. {
  775. KillTimer(TIMER_ANIMATE);
  777. MSG msg;
  778. while(::PeekMessage( &msg, m_hWnd,
  779. WM_TIMER, WM_TIMER,
  780. PM_REMOVE));
  782. glRotatef(ROTATE_RATE, 0.0f, 1.0f, 0.0f);
  783. DrawScene();
  784. }
  786. void CChildView::OnSpinYcw() 
  787. {
  788. KillTimer(TIMER_ANIMATE);
  790. MSG msg;
  791. while(::PeekMessage( &msg, m_hWnd,
  792. WM_TIMER, WM_TIMER,
  793. PM_REMOVE));
  795. glRotatef(-ROTATE_RATE, 0.0f, 1.0f, 0.0f);
  796. DrawScene();
  797. }
  799. void CChildView::OnSpinZccw() 
  800. {
  801. KillTimer(TIMER_ANIMATE);
  803. MSG msg;
  804. while(::PeekMessage( &msg, m_hWnd,
  805. WM_TIMER, WM_TIMER,
  806. PM_REMOVE));
  808. glRotatef(ROTATE_RATE, 0.0f, 0.0f, 1.0f);
  809. DrawScene();
  810. }
  812. void CChildView::OnSpinZcw() 
  813. {
  814. KillTimer(TIMER_ANIMATE);
  816. MSG msg;
  817. while(::PeekMessage( &msg, m_hWnd,
  818. WM_TIMER, WM_TIMER,
  819. PM_REMOVE));
  821. glRotatef(-ROTATE_RATE, 0.0f, 0.0f, 1.0f);
  822. DrawScene();
  823. }
  825. void CChildView::OnZoomIn() 
  826. {
  827. KillTimer(TIMER_ANIMATE);
  829. MSG msg;
  830. while(::PeekMessage( &msg, m_hWnd,
  831. WM_TIMER, WM_TIMER,
  832. PM_REMOVE));
  834. Zoom(1.0f + ZOOM_RATE );
  835. }
  837. void CChildView::OnZoomOut() 
  838. {
  839. KillTimer(TIMER_ANIMATE);
  841. MSG msg;
  842. while(::PeekMessage( &msg, m_hWnd,
  843. WM_TIMER, WM_TIMER,
  844. PM_REMOVE));
  846. Zoom(1.0f - ZOOM_RATE );
  847. }
  849. void CChildView::Init()
  850. {
  851. CDC *pDC = GetDC();
  852. m_hDc = pDC->GetSafeHdc();
  853. SetThePixelFormat(pDC);
  854. m_hRc = wglCreateContext(m_hDc);
  855. wglMakeCurrent(m_hDc,m_hRc);
  856. ReleaseDC(pDC);
  858. glEnable(GL_DEPTH_TEST);
  859. glEnable(GL_LIGHTING);
  860. glEnable(GL_LIGHT0);
  861. glEnable(GL_AUTO_NORMAL);
  863. glColor3f(1.0f, 1.0f, 0.0f);
  865. glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
  867. GLfloat light[] = {1.0f,1.0f,1.0f,1.0f};
  868. glLightfv(GL_LIGHT0,GL_DIFFUSE,light);
  870. float ambient[4] = {0.2f, 0.2f, 0.0f, 1.0f};
  871. float diffuse[4] = {0.95f, 0.95f, 0.0f, 1.0f};
  872. float specular[4] = {0.0f, 0.0f, 0.1f, 1.0f};
  873. glMaterialfv( GL_FRONT_AND_BACK, GL_AMBIENT, ambient);
  874. glMaterialfv( GL_FRONT_AND_BACK, GL_DIFFUSE, diffuse);
  875. glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR,specular);
  877. SetTimer( TIMER_TOOLBAR, TOOLBAR_RATE, NULL);
  878. if (m_bAnimate)
  879. SetTimer( TIMER_ANIMATE, ANIMATE_RATE, NULL );
  881. CMainFrame *pFrameWnd = (CMainFrame*)AfxGetMainWnd();
  883. m_nsFaceNo = m_nFaceNo = 0;
  884. }
  886. void CChildView::DrawAxes()
  887. {
  888. glDisable(GL_LIGHTING);
  889. glMatrixMode(GL_MODELVIEW);
  890. glPushMatrix();
  892. glScalef(1.4f, 1.4f, 1.4f);
  894. glBegin(GL_LINES);
  895. // x axis
  896. glColor3f ( 1.0f, 0.0f, 0.0f);
  897. glVertex3f( 0.0f, 0.0f, 0.0f);
  898. glVertex3f( 1.0f, 0.0f, 0.0f);
  900. // y axis
  901. glColor3f ( 0.0f, 1.0f, 0.0f);
  902. glVertex3f( 0.0f, 0.0f, 0.0f);
  903. glVertex3f( 0.0f, 1.0f, 0.0f);
  905. // z axis
  906. glColor3f ( 0.0f, 0.0f, 1.0f);
  907. glVertex3f( 0.0f, 0.0f, 0.0f);
  908. glVertex3f( 0.0f, 0.0f, 1.0f);
  909. glEnd();
  911. glBegin(GL_TRIANGLES);
  913. // x axis arrow
  914. glColor3f ( 1.0f, 0.0f,  0.0f);
  915. glVertex3f(1.0f,    0.0f,    0.0f);
  916. glVertex3f(0.9f,    0.0f,    0.04f);
  917. glVertex3f(0.9f,    0.028f,  0.028f);
  918. glVertex3f(0.9f,    0.0f,    0.04f);
  919. glVertex3f(0.9f,    0.028f,  0.028f);
  920. glVertex3f(0.9f,    0.0f,    0.0f);
  921. glVertex3f(1.0f,    0.0f,    0.0f);
  922. glVertex3f(0.9f,    0.028f,  0.028f);
  923. glVertex3f(0.9f,    0.04f,   0.0f);
  924. glVertex3f(0.9f,    0.028f,  0.028f);
  925. glVertex3f(0.9f,    0.04f,   0.0f);
  926. glVertex3f(0.9f,    0.0f,    0.0f);
  927. glVertex3f(1.0f,    0.0f,    0.0f);
  928. glVertex3f(0.9f,    0.04f,   0.0f);
  929. glVertex3f(0.9f,    0.028f,  -0.028f);
  930. glVertex3f(0.9f,    0.04f,   0.0f);
  931. glVertex3f(0.9f,    0.028f,  -0.028f);
  932. glVertex3f(0.9f,    0.0f,    0.0f);
  933. glVertex3f(1.0f,    0.0f,    0.0f);
  934. glVertex3f(0.9f,    0.028f,  -0.028f);
  935. glVertex3f(0.9f,    0.0f,    -0.04f);
  936. glVertex3f(0.9f,    0.028f,  -0.028f);
  937. glVertex3f(0.9f,    0.0f,    -0.04f);
  938. glVertex3f(0.9f,    0.0f,    0.0f);
  939. glVertex3f(1.0f,    0.0f,    0.0f);
  940. glVertex3f(0.9f,    0.0f,    -0.04f);
  941. glVertex3f(0.9f,    -0.028f, -0.028f);
  942. glVertex3f(0.9f,    0.0f,    -0.04f);
  943. glVertex3f(0.9f,    -0.028f, -0.028f);
  944. glVertex3f(0.9f,    0.0f,    0.0f);
  945. glVertex3f(1.0f,    0.0f,    0.0f);
  946. glVertex3f(0.9f,    -0.028f, -0.028f);
  947. glVertex3f(0.9f,    -0.04f,  0.0f);
  948. glVertex3f(0.9f,    -0.028f, -0.028f);
  949. glVertex3f(0.9f,    -0.04f,  0.0f);
  950. glVertex3f(0.9f,    0.0f,    0.0f);
  951. glVertex3f(1.0f,    0.0f,    0.0f);
  952. glVertex3f(0.9f,    -0.04f,  0.0f);
  953. glVertex3f(0.9f,    -0.028f, 0.028f);
  954. glVertex3f(0.9f,    -0.04f,  0.0f);
  955. glVertex3f(0.9f,    -0.028f, 0.028f);
  956. glVertex3f(0.9f,    0.0f,    0.0f);
  957. glVertex3f(1.0f,    0.0f,    0.0f);
  958. glVertex3f(0.9f,    -0.028f, 0.028f);
  959. glVertex3f(0.9f,    0.0f,    0.04f);
  960. glVertex3f(0.9f,    -0.028f, 0.028f);
  961. glVertex3f(0.9f,    0.0f,    0.04f);
  962. glVertex3f(0.9f,    0.0f,    0.0f);
  964. // y axis arrow
  965. glColor3f ( 0.0f, 1.0f, 0.0f);
  966. glVertex3f(0.0f,    1.0f,    0.0f);
  967. glVertex3f(0.0f,    0.9f,    0.04f);
  968. glVertex3f(0.028f,  0.9f,    0.028f);
  969. glVertex3f(0.0f,    0.9f,    0.04f);
  970. glVertex3f(0.028f,  0.9f,    0.028f);
  971. glVertex3f(0.0f,    0.9f,    0.0f);
  972. glVertex3f(0.0f,    1.0f,    0.0f);
  973. glVertex3f(0.028f,  0.9f,    0.028f);
  974. glVertex3f(0.04f,   0.9f,    0.0f);
  975. glVertex3f(0.028f,  0.9f,    0.028f);
  976. glVertex3f(0.04f,   0.9f,    0.0f);
  977. glVertex3f(0.0f,    0.9f,    0.0f);
  978. glVertex3f(0.0f,    1.0f,    0.0f);
  979. glVertex3f(0.04f,   0.9f,    0.0f);
  980. glVertex3f(0.028f,  0.9f,    -0.028f);
  981. glVertex3f(0.04f,   0.9f,    0.0f);
  982. glVertex3f(0.028f,  0.9f,    -0.028f);
  983. glVertex3f(0.0f,    0.9f,    0.0f);
  984. glVertex3f(0.0f,    1.0f,    0.0f);
  985. glVertex3f(0.028f,  0.9f,    -0.028f);
  986. glVertex3f(0.0f,    0.9f,    -0.04f);
  987. glVertex3f(0.028f,  0.9f,    -0.028f);
  988. glVertex3f(0.0f,    0.9f,    -0.04f);
  989. glVertex3f(0.0f,    0.9f,    0.0f);
  990. glVertex3f(0.0f,    1.0f,    0.0f);
  991. glVertex3f(0.0f,    0.9f,    -0.04f);
  992. glVertex3f(-0.028f, 0.9f,    -0.028f);
  993. glVertex3f(0.0f,    0.9f,    -0.04f);
  994. glVertex3f(-0.028f, 0.9f,    -0.028f);
  995. glVertex3f(0.0f,    0.9f,    0.0f);
  996. glVertex3f(0.0f,    1.0f,    0.0f);
  997. glVertex3f(-0.028f, 0.9f,    -0.028f);
  998. glVertex3f(-0.04f,  0.9f,    0.0f);
  999. glVertex3f(-0.028f, 0.9f,    -0.028f);
  1000. glVertex3f(-0.04f,  0.9f,    0.0f);
  1001. glVertex3f(0.0f,    0.9f,    0.0f);
  1002. glVertex3f(0.0f,    1.0f,    0.0f);
  1003. glVertex3f(-0.04f,  0.9f,    0.0f);
  1004. glVertex3f(-0.028f, 0.9f,    0.028f);
  1005. glVertex3f(-0.04f,  0.9f,    0.0f);
  1006. glVertex3f(-0.028f, 0.9f,    0.028f);
  1007. glVertex3f(0.0f,    0.9f,    0.0f);
  1008. glVertex3f(0.0f,    1.0f,    0.0f);
  1009. glVertex3f(-0.028f, 0.9f,    0.028f);
  1010. glVertex3f(0.0f,    0.9f,    0.04f);
  1011. glVertex3f(-0.028f, 0.9f,    0.028f);
  1012. glVertex3f(0.0f,    0.9f,    0.04f);
  1013. glVertex3f(0.0f,    0.9f,    0.0f);
  1015. // z axis arrow
  1016. glColor3f ( 0.0f, 0.0f, 1.0f);
  1017. glVertex3f(0.0f,    0.0f,    1.0f);
  1018. glVertex3f(0.0f,    0.04f,   0.9f);
  1019. glVertex3f(0.028f,  0.028f,  0.9f);
  1020. glVertex3f(0.0f,    0.04f,   0.9f);
  1021. glVertex3f(0.028f,  0.028f,  0.9f);
  1022. glVertex3f(0.0f,    0.0f,    0.9f);
  1023. glVertex3f(0.0f,    0.0f,    1.0f);
  1024. glVertex3f(0.028f,  0.028f,  0.9f);
  1025. glVertex3f(0.04f,   0.0f,    0.9f);
  1026. glVertex3f(0.028f,  0.028f,  0.9f);
  1027. glVertex3f(0.04f,   0.0f,    0.9f);
  1028. glVertex3f(0.0f,    0.0f,    0.9f);
  1029. glVertex3f(0.0f,    0.0f,    1.0f);
  1030. glVertex3f(0.04f,   0.0f,    0.9f);
  1031. glVertex3f(0.028f,  -0.028f, 0.9f);
  1032. glVertex3f(0.04f,   0.0f,    0.9f);
  1033. glVertex3f(0.028f,  -0.028f, 0.9f);
  1034. glVertex3f(0.0f,    0.0f,    0.9f);
  1035. glVertex3f(0.0f,    0.0f,    1.0f);
  1036. glVertex3f(0.028f,  -0.028f, 0.9f);
  1037. glVertex3f(0.0f,    -0.04f,  0.9f);
  1038. glVertex3f(0.028f,  -0.028f, 0.9f);
  1039. glVertex3f(0.0f,    -0.04f,  0.9f);
  1040. glVertex3f(0.0f,    0.0f,    0.9f);
  1041. glVertex3f(0.0f,    0.0f,    1.0f);
  1042. glVertex3f(0.0f,    -0.04f,  0.9f);
  1043. glVertex3f(-0.028f, -0.028f, 0.9f);
  1044. glVertex3f(0.0f,    -0.04f,  0.9f);
  1045. glVertex3f(-0.028f, -0.028f, 0.9f);
  1046. glVertex3f(0.0f,    0.0f,    0.9f);
  1047. glVertex3f(0.0f,    0.0f,    1.0f);
  1048. glVertex3f(-0.028f, -0.028f, 0.9f);
  1049. glVertex3f(-0.04f,  0.0f,    0.9f);
  1050. glVertex3f(-0.028f, -0.028f, 0.9f);
  1051. glVertex3f(-0.04f,  0.0f,    0.9f);
  1052. glVertex3f(0.0f,    0.0f,    0.9f);
  1053. glVertex3f(0.0f,    0.0f,    1.0f);
  1054. glVertex3f(-0.04f,  0.0f,    0.9f);
  1055. glVertex3f(-0.028f, 0.028f,  0.9f);
  1056. glVertex3f(-0.04f,  0.0f,    0.9f);
  1057. glVertex3f(-0.028f, 0.028f,  0.9f);
  1058. glVertex3f(0.0f,    0.0f,    0.9f);
  1059. glVertex3f(0.0f,    0.0f,    1.0f);
  1060. glVertex3f(-0.028f, 0.028f,  0.9f);
  1061. glVertex3f(0.0f,    0.04f,   0.9f);
  1062. glVertex3f(-0.028f, 0.028f,  0.9f);
  1063. glVertex3f(0.0f,    0.04f,   0.9f);
  1064. glVertex3f(0.0f,    0.0f,    0.9f);
  1066. glEnd();
  1067. glPopMatrix();
  1068. glEnable(GL_LIGHTING);
  1069. glColor3f ( 1.0f, 1.0f, 0.0f);
  1070. }
  1072. void CChildView::SetupBmpHeader(BITMAPINFOHEADER *pbmih, int sx, int sy, int bpp)
  1073. {
  1074. pbmih->biSize = sizeof(BITMAPINFOHEADER);
  1075. pbmih->biWidth = sx;
  1076. pbmih->biHeight = sy;
  1077. pbmih->biPlanes = 1;
  1078. pbmih->biBitCount = bpp;
  1079. pbmih->biCompression = BI_RGB;
  1080. pbmih->biSizeImage = sx * sy * (bpp/8);
  1081. pbmih->biXPelsPerMeter = 2925;
  1082. pbmih->biYPelsPerMeter = 2925;
  1083. pbmih->biClrUsed = 0;
  1084. pbmih->biClrImportant = 0;
  1085. }
  1087. BOOL CChildView::SaveAsBMP(char *bmpFileName)
  1088. {
  1089. GLubyte  *lpBits;
  1090. RECT  rect;
  1092. GetClientRect(&rect);
  1094. CDC *pDC = GetDC();
  1095. ASSERT(pDC->m_hDC);
  1097. // Creating Compatible Memory Device Context
  1098. CDC *pMemDC = new CDC;
  1099. if (!pMemDC->CreateCompatibleDC(pDC))
  1100. {
  1101. MessageBox("CompatibleDC Error");
  1102. return 0;
  1103. }
  1105. // Preparing bitmap header for DIB section
  1106. BITMAPINFO bi;
  1107. int bpp, sx, sy;
  1108. ZeroMemory(&bi, sizeof(BITMAPINFO));
  1109. // Making a DIB image which is half size of GL window and full color(24 bpp)
  1110. sx = (rect.right-rect.left) ;
  1111. sy = (rect.bottom-rect.top) ;
  1112. sx=sx-sx % 4;  // BMP 要求扫描线为 4 的倍数
  1113.     bpp = 24;
  1115. long dwSizeImage = sx * sy * bpp / 8; // 8 means 8 bit/byte
  1116.     SetupBmpHeader(&(bi.bmiHeader), sx, sy, bpp);
  1118. // Creating a DIB surface
  1119. HBITMAP hBm, hBmOld;
  1120.     hBm = CreateDIBSection(pDC->GetSafeHdc(), &bi, DIB_RGB_COLORS, 
  1121.         (void **)&lpBits, NULL, (DWORD)0);
  1122. if (!hBm)
  1123. {
  1124. MessageBox("CreateDIBSection Error");
  1125. return 0;
  1126. }
  1128.     // Selecting the DIB Surface
  1129. hBmOld = (HBITMAP)::SelectObject(pMemDC->GetSafeHdc(), hBm);
  1130. if (!hBmOld)
  1131. {
  1132. MessageBox("Select Object Error");
  1133. return 0;
  1134. }
  1135.     
  1137. glReadBuffer(GL_BACK);
  1138. glReadPixels(rect.left,rect.top,sx,//rect.right-rect.left,
  1139. rect.bottom-rect.top,GL_BGR_EXT,GL_UNSIGNED_BYTE,lpBits);
  1141. // Preparing BMP file header information
  1143. BITMAPFILEHEADER bmfh;
  1144. bmfh.bfType = 0x4d42;  // 'BM'
  1145. long nSize =  sizeof(BITMAPINFOHEADER) +  dwSizeImage;
  1146. bmfh.bfSize = nSize + sizeof(BITMAPFILEHEADER);
  1147. bmfh.bfReserved1 = bmfh.bfReserved2 = 0;
  1148. bmfh.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
  1150.     CFile *pbmpFile;
  1151.     CFileException fileException;
  1153.     pbmpFile = new CFile;
  1154.     if (!pbmpFile->Open(bmpFileName , 
  1155.   CFile::modeCreate | CFile::modeWrite ) )
  1156.     {
  1157. TRACE( "Unable to open file: %sn, error = %un",
  1158.         "" ,fileException.m_cause);
  1159.     }
  1161. // Wrinting the DIB image
  1162. TRY 
  1163. {
  1164. pbmpFile->Write(&bmfh, sizeof(BITMAPFILEHEADER));
  1165. pbmpFile->Write(&(bi.bmiHeader), sizeof(BITMAPINFOHEADER));
  1166. pbmpFile->Write(lpBits,dwSizeImage);
  1167. pbmpFile->Flush();
  1168. }
  1169. CATCH (CException, e) 
  1170. {
  1171. AfxMessageBox("write error");
  1172. return 0;
  1173. }
  1174. END_CATCH
  1176. // Cleaning
  1177.     pbmpFile->Close();
  1178. delete pbmpFile;
  1180. hBm = (HBITMAP)::SelectObject(pMemDC->GetSafeHdc(), hBmOld);
  1181. DeleteObject(hBm);
  1183. delete pMemDC;
  1184. ReleaseDC(pDC);
  1186. return 1;
  1187. }
  1189. void CChildView::Project()
  1190. {
  1191. RECT rect;
  1193. GetClientRect( &rect);
  1194. GLsizei nWidth = rect.right;
  1195. GLsizei nHeight = rect.bottom;
  1196. nHeight = (nHeight == 0) ? 1 : nHeight;
  1197. float dAspect = (float)nWidth/(float)nHeight;
  1198. m_fViewWidth = m_fViewHeight * dAspect;
  1200. glMatrixMode(GL_PROJECTION);
  1201. glLoadIdentity();
  1202. glOrtho(-m_fViewWidth,m_fViewWidth,-m_fViewHeight,m_fViewHeight,m_fViewNear,m_fViewFar);
  1203. glViewport(0,0,nWidth,nHeight);
  1204. glMatrixMode(GL_MODELVIEW);
  1205. }
  1207. void CChildView::DrawScene()
  1208. {
  1209. int nTriangles = 0;
  1211. glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  1213. glMatrixMode(GL_MODELVIEW);
  1214. glPushMatrix();
  1216. if (m_pModel)
  1217. m_pModel->DrawModel(m_nRenderMode, m_nRenderModel);
  1219. if (m_bAxes)
  1220. DrawAxes();
  1222. glMatrixMode(GL_MODELVIEW);
  1223. glPopMatrix();
  1225. glFlush();
  1226. SwapBuffers(m_hDc);
  1227. }