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07063257_GLView.cpp
资源名称：aa.rar　[点击查看]
上传用户：kuqidezhu
上传日期：2022-07-18
资源大小：4151k
文件大小：23k
源码类别：

3D图形编程

开发平台：

Visual C++

07063257_GLView.cpp：源码内容
  1. // 07063257_GLView.cpp : implementation of the CMy07063257_GLView class
  2. //
  4. #include "stdafx.h"
  5. #include "07063257_GL.h"
  7. #include "07063257_GLDoc.h"
  8. #include "07063257_GLView.h"
  10. #ifdef _DEBUG
  11. #define new DEBUG_NEW
  12. #undef THIS_FILE
  13. static char THIS_FILE[] = __FILE__;
  14. #endif
  16. /////////////////////////////////////////////////////////////////////////////
  17. // CMy07063257_GLView
  19. IMPLEMENT_DYNCREATE(CMy07063257_GLView, CView)
  21. BEGIN_MESSAGE_MAP(CMy07063257_GLView, CView)
  22. //{{AFX_MSG_MAP(CMy07063257_GLView)
  23. ON_COMMAND(ID_ADDDATA, OnAdddate)
  24. ON_COMMAND(ID_TieTu, OnTieTu)
  25. ON_WM_CREATE()
  26. ON_WM_DESTROY()
  27. ON_WM_PAINT()
  28. ON_WM_SIZE()
  29. ON_COMMAND(ID_LEFT, OnLeft)
  30. ON_COMMAND(ID_RIGHT, OnRight)
  31. ON_COMMAND(ID_UP, OnUp)
  32. ON_COMMAND(ID_DOWN, OnDown)
  33. ON_COMMAND(ID_LROTAEF, OnLrotaef)
  34. ON_COMMAND(ID_RROTATEF, OnRrotatef)
  35. ON_COMMAND(ID_ZOOMOUT, OnZoomout)
  36. ON_COMMAND(ID_ZOOMIN, OnZoomin)
  37. ON_COMMAND(ID_FRONT, OnFront)
  38. ON_COMMAND(ID_BACK, OnBack)
  39. //}}AFX_MSG_MAP
  40. // Standard printing commands
  41. ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
  42. ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
  43. ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
  44. END_MESSAGE_MAP()
  46. /////////////////////////////////////////////////////////////////////////////
  47. // CMy07063257_GLView construction/destruction
  49. CMy07063257_GLView::CMy07063257_GLView()
  50. {
  51. // TODO: add construction code here
  52.     m_Rotateangle=0;
  53. MAX=624;
  54. IsOpen=0;
  55. n=0;
  56. }
  58. CMy07063257_GLView::~CMy07063257_GLView()
  59. {
  60. }
  62. BOOL CMy07063257_GLView::PreCreateWindow(CREATESTRUCT& cs)
  63. {
  64. // TODO: Modify the Window class or styles here by modifying
  65. //  the CREATESTRUCT cs
  66. cs.style |= (WS_CLIPCHILDREN | WS_CLIPSIBLINGS); 
  67. return CView::PreCreateWindow(cs);
  68. }
  70. /////////////////////////////////////////////////////////////////////////////
  71. // CMy07063257_GLView drawing
  73. void CMy07063257_GLView::OnDraw(CDC* pDC)
  74. {
  75. CMy07063257_GLDoc* pDoc = GetDocument();
  76. ASSERT_VALID(pDoc);
  77. CClientDC dc(this);
  78. // TODO: add draw code for native data here
  79. }
  81. /////////////////////////////////////////////////////////////////////////////
  82. // CMy07063257_GLView printing
  84. BOOL CMy07063257_GLView::OnPreparePrinting(CPrintInfo* pInfo)
  85. {
  86. // default preparation
  87. return DoPreparePrinting(pInfo);
  88. }
  90. void CMy07063257_GLView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
  91. {
  92. // TODO: add extra initialization before printing
  93. }
  95. void CMy07063257_GLView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
  96. {
  97. // TODO: add cleanup after printing
  98. }
  100. /////////////////////////////////////////////////////////////////////////////
  101. // CMy07063257_GLView diagnostics
  103. #ifdef _DEBUG
  104. void CMy07063257_GLView::AssertValid() const
  105. {
  106. CView::AssertValid();
  107. }
  109. void CMy07063257_GLView::Dump(CDumpContext& dc) const
  110. {
  111. CView::Dump(dc);
  112. }
  114. CMy07063257_GLDoc* CMy07063257_GLView::GetDocument() // non-debug version is inline
  115. {
  116. ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMy07063257_GLDoc)));
  117. return (CMy07063257_GLDoc*)m_pDocument;
  118. }
  119. #endif //_DEBUG
  121. /////////////////////////////////////////////////////////////////////////////
  122. // CMy07063257_GLView message handlers
  124. void CMy07063257_GLView::OnAdddate() 
  125. {
  126. twc=1;
  127. // TODO: Add your command handler code here
  128. Invalidate(true);
  129. CAddData d1;
  130. CChooseTexture d2;
  131. BeginWaitCursor();
  132. if (d1.DoModal()==1)
  133. {
  135. FILE  *mm_vertexFile;
  136. CFileDialog location(true);
  137. location.DoModal();
  138. mm_vertexFile=fopen(location.GetPathName(),"r");
  139.     MAXX=0.0;
  140.         MINX=10.0;
  141.         MAXY=0.0;
  142.     MINY=10.0;
  143. for (int i=0;i<MAX;i++) 
  144. {
  145. float a,b,c;
  146. a=b=c=0.0;
  147. m_vertex[i].x=0.0;
  148. fscanf(mm_vertexFile,"%f%f%f",&a ,&b,&c);
  149. (m_vertex[i].x)=(a-87500)*1.5;
  150. // (m_vertex[i].x)=(a-87500)*1.5 ;
  151. (m_vertex[i].y)=(b-12800)*1.5;
  152. // (m_vertex[i].y)=(b-12800);
  153. (m_vertex[i].z)=c*1.5;
  154. if (m_vertex[i].x>MAXX) {MAXX=m_vertex[i].x;}
  155. if (m_vertex[i].x<MINX) {MINX=m_vertex[i].x;}
  156.             if (m_vertex[i].y<MINY) {MINY=m_vertex[i].y;}
  157. if (m_vertex[i].y>MAXY) {MAXY=m_vertex[i].y;}
  158. }
  159. fclose(mm_vertexFile);
  160. glClear(GL_COLOR_BUFFER_BIT);
  161. glClearColor(0.0,0.0,0.0,1.0);
  162. // glTranslatef(0,0,-2);
  163. glShadeModel(GL_SMOOTH );
  164. glTranslatef( 0, 0,-500);
  165. glPointSize(2);
  166. glColor4f(0,0.4,1,1);
  167. BuildTIN();
  171. }
  172. EndWaitCursor();
  173. }
  175. void CMy07063257_GLView::OnTieTu() 
  176. {
  177. twc=2;
  178. // TODO: Add your command handler code here
  179. n=1;
  180. CChooseTexture d2;
  181. d2.DoModal();
  182. CFileDialog mOpen(true);
  183. if (mOpen.DoModal()==IDOK)
  184. {
  185. AUX_RGBImageRec *Image=auxDIBImageLoad(mOpen.GetPathName());
  186. glTexImage2D(GL_TEXTURE_2D, 0, 3, Image->sizeX,Image->sizeY, 
  187. 0, GL_RGB, GL_UNSIGNED_BYTE,Image->data);
  189. }
  190. }
  192. void CMy07063257_GLView::BuildTIN()
  193. {
  194. if (MAX > 2)
  195. {
  196. for(int i=0;i<MAX-1;i++)          //确定基线
  197. {
  198. // glBegin(GL_LINE_LOOP);
  199. // glVertex3f(m_vertex[i].x,m_vertex[i].y,m_vertex[i].z);
  200. // glEnd();
  201. for(int j=i+1;j<MAX;j++)
  202. {
  203. if(m_vertex[i].x>m_vertex[j].x)
  204. {
  205. Vertex temp;
  206. temp.x=m_vertex[i].x;
  207. temp.y=m_vertex[i].y;
  208. temp.z=m_vertex[i].z;
  212. m_vertex[i].x=m_vertex[j].x;
  213. m_vertex[i].y=m_vertex[j].y;
  214. m_vertex[i].z=m_vertex[j].z;
  218. m_vertex[j].x=temp.x;
  219. m_vertex[j].y=temp.y;
  220. m_vertex[j].z=temp.z;
  225. }
  226. }
  227. }
  229. if(m_vertex[0].y>m_vertex[1].y)                //沿基线固定方向
  230. this->TriDelaunay(m_vertex[0],m_vertex[1]);//调用边扩展算法构网delaunay
  231. else
  232. this->TriDelaunay(m_vertex[1],m_vertex[0]);//调用边扩展算法构网delaunay
  233. }
  234. }
  236. //DEL void CMy07063257_GLView::CalculateNormal()
  237. //DEL {
  238. //DEL 
  239. //DEL }
  241. BOOL CMy07063257_GLView::CreateViewGLContext(HDC hDC)
  242. {
  243. m_hGLContext = wglCreateContext(hDC); 
  244. if (m_hGLContext == NULL) 
  245. return FALSE; 
  246. if (wglMakeCurrent(hDC, m_hGLContext)==FALSE)   return FALSE; 
  247. return TRUE;
  248. }
  250. Vertex CMy07063257_GLView::GetThirdPoint(Vertex p1, Vertex p2)
  251. {
  252.    bool sign=true;
  253. Edge edge;
  255. edge.p1.x=p1.x;
  256. edge.p1.y=p1.y;
  257. edge.p1.z=p1.z;
  260. edge.p2.x=p2.x;
  261. edge.p2.y=p2.y;
  262. edge.p2.z=p2.z;
  266. for(int i=0;i<m_edges.size();i++)
  267. {
  268. if(edge.p1.x==m_edges[i].p1.x &&
  269. edge.p1.y==m_edges[i].p1.y&&
  270. edge.p1.z==m_edges[i].p1.z&&
  271. edge.p2.x==m_edges[i].p2.x&&
  272. edge.p2.y==m_edges[i].p2.y&&
  273. edge.p2.z==m_edges[i].p2.z)
  274. sign=false;
  275. }
  276. double temp=1;   //采用最大张角，即最小余弦的判别准则
  277. int j=0; 
  278. for( i=0;i<MAX;i++)
  279. {  
  280. double equation;
  281. equation = ((p1.y - p2.y) * (m_vertex[i].x - p2.x))
  282. - ((m_vertex[i].y - p2.y) * (p1.x - p2.x));//确定基线的方向
  283. if(equation<=0) continue;                      //沿基线>0固定方向
  284. double a=sqrt(pow(p1.x-m_vertex[i].x,2)+pow(p1.y-m_vertex[i].y,2));
  285. double b=sqrt(pow(p2.x-m_vertex[i].x,2)+pow(p2.y-m_vertex[i].y,2));
  286. double c=sqrt(pow(p1.x-p2.x,2)+pow(p1.y-p2.y,2));
  287. double d=(a*a+b*b-c*c)/(2*a*b);
  288. if(d<temp && equation>0 && sign)
  289. {
  290. temp=d;
  291. j=i;
  292. }
  293. }
  294. if(j!=0)
  295. return m_vertex[j];
  296. else
  297. {
  298. Vertex temp_vertex;
  299. temp_vertex.x=0;
  300. temp_vertex.y=0;
  301. temp_vertex.z=0;
  303. return temp_vertex;
  304. }
  305. }
  307. void CMy07063257_GLView::initial()
  308. {
  309.     int i;
  310. for (i=0;i<m_edges.size();i++)
  311. {
  312.         m_edges[i].no=i+1;     
  313.         m_edges[i].length=1.0;
  314.         m_edges[i].usetimes=0;
  315. m_edges[i].p1.x=0;
  316. m_edges[i].p1.y=0;
  317. m_edges[i].p1.z=0;
  322. m_edges[i].p2.x=0;
  323. m_edges[i].p2.y=0;
  324. m_edges[i].p2.z=0;
  328. }
  329. /////////////////////////////////////////////////////////////
  330. for (i=0;i<m_triangles.size();i++)
  331. {
  332.         m_triangles[i].no=i+1;
  333. m_triangles[i].edgeno[0]=-1;
  334. m_triangles[i].edgeno[1]=-1;
  335.         m_triangles[i].edgeno[2]=-1;
  337.         m_triangles[i].Normal[0]=-1;
  338.         m_triangles[i].Normal[1]=-1;
  339. m_triangles[i].Normal[2]=-1;
  342. }
  343. }
  345. int CMy07063257_GLView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
  346. {
  347. if (CView::OnCreate(lpCreateStruct) == -1)
  348. return -1;
  350. // TODO: Add your specialized creation code here
  351. HWND hWnd = GetSafeHwnd(); 
  352. HDC hDC = ::GetDC(hWnd); 
  354. if (SetWindowPixelFormat(hDC)==FALSE)  return 0; 
  355. if (CreateViewGLContext(hDC)==FALSE)  return 0; 
  356. return 0;
  357. }
  359. void CMy07063257_GLView::OnDestroy() 
  360. {
  361. if(wglGetCurrentContext()!=NULL) 
  362. wglMakeCurrent(NULL, NULL) ; 
  363. if (m_hGLContext!=NULL) 
  364. { 
  365. wglDeleteContext(m_hGLContext); 
  366. m_hGLContext = NULL; 
  367. } 
  368. CView::OnDestroy();
  370. }
  372. void CMy07063257_GLView::OnGetVertex()
  373. {
  374. IsOpen=1;
  375. // TODO: Add your command handler code here
  376. FILE  *mm_vertexFile;
  377. CFileDialog location(true);
  378. location.DoModal();
  379. mm_vertexFile=fopen(location.GetPathName(),"r");
  381. for (int i=0;i<MAX;i++) 
  382. {
  384. float a,b,c;
  385. a=b=c=0.0;
  386. m_vertex[i].x=0.0;
  387. fscanf(mm_vertexFile,"%f%f%f",&a ,&b,&c);
  388. (m_vertex[i].x)=(a-87500)*1.5;
  389. // (m_vertex[i].x)=(a-87500)*1.5 ;
  390. (m_vertex[i].y)=(b-12800)*1.5;
  391. // (m_vertex[i].y)=(b-12800);
  392. (m_vertex[i].z)=c*1.5;
  394. }
  395. fclose(mm_vertexFile);
  396. }
  400. void CMy07063257_GLView::OnOpenglLighting()
  401. {
  402. Invalidate(true);
  403. }
  405. void CMy07063257_GLView::OnPaint() 
  406. {
  407. CPaintDC dc(this); // device context for painting
  409. glColor3f(0,0.4,0.3);
  410. glClear(GL_COLOR_BUFFER_BIT);
  411. switch(twc)
  412. {
  413. case 1:
  414. { 
  415. GLfloat light_ambient0[]= { 1.0,1.0,1.0, 1.0 };
  416. GLfloat light_position0[]={500,-500,60,1.0f};
  417. GLfloat light_specular0[]={1,1,1,1};
  418. GLfloat light_diffuse0[]={1.0f,0.0f,1.0f,1.0f};
  419. GLfloat spot_direction0[]={ -1.0,1.0,0.0,1.0};
  420. glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient0);
  421. glLightfv(GL_LIGHT0,GL_POSITION,light_position0);
  422. glLightfv(GL_LIGHT0,GL_SPECULAR,light_specular0);
  423. glLightfv(GL_LIGHT0,GL_DIFFUSE,light_diffuse0);
  424. glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION,spot_direction0);
  425. glEnable(GL_LIGHTING);
  426. glEnable(GL_LIGHT0);
  427. glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,GL_FALSE);
  428. this->OPenGL_Lighting();
  429. float dVector1[3],dVector2[3],norm[3];
  430. for (int i=0; i<m_triangles.size(); i++)
  431. {
  432. dVector1[0] = m_triangles[i].ptr[1].x - m_triangles[i].ptr[0].x;
  433. dVector1[1] = m_triangles[i].ptr[1].y - m_triangles[i].ptr[0].y;
  434. dVector1[2] = m_triangles[i].ptr[1].z - m_triangles[i].ptr[0].z;
  436. dVector2[0] = m_triangles[i].ptr[2].x - m_triangles[i].ptr[0].x;
  437. dVector2[1] = m_triangles[i].ptr[2].y - m_triangles[i].ptr[0].y;
  438. dVector2[2] = m_triangles[i].ptr[2].z - m_triangles[i].ptr[0].z;
  440. norm[0]=dVector1[1]*dVector2[2]-dVector1[2]*dVector2[1];
  441. norm[1]=dVector1[2]*dVector2[0]-dVector1[0]*dVector2[2];
  442. norm[2]=dVector1[0]*dVector2[1]-dVector1[1]*dVector2[0];
  444. float dNormalLength=sqrt(norm[0]*norm[0] + norm[1]*norm[1] + norm[2]*norm[2]);
  445. aa=norm[0]/dNormalLength;
  446. bb=norm[1]/dNormalLength;
  447. cc=norm[2]/dNormalLength;
  448.       glNormal3f(aa,bb,cc);    //三角面法向量
  449. }
  450. }
  453. case 2:
  454. GLfloat light_ambient0[]= { 1.0,1.0,1.0, 1.0 };
  455. GLfloat light_position0[]={500,-500,60,1.0f};
  456. GLfloat light_specular0[]={1,1,1,1};
  457. GLfloat light_diffuse0[]={1.0f,0.0f,1.0f,1.0f};
  458. GLfloat spot_direction0[]={ -1.0,1.0,0.0,1.0};
  459. glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient0);
  460. glLightfv(GL_LIGHT0,GL_POSITION,light_position0);
  461. glLightfv(GL_LIGHT0,GL_SPECULAR,light_specular0);
  462. glLightfv(GL_LIGHT0,GL_DIFFUSE,light_diffuse0);
  463. glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION,spot_direction0);
  464. glEnable(GL_LIGHTING);
  465. glEnable(GL_LIGHT0);
  466. glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,GL_FALSE);
  467. this->OPenGL_Lighting();
  468.     glPushMatrix();
  470. glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
  472. glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);  
  473. glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);  
  474. glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
  475. glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  476. glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,GL_DECAL);    //在此处更改映射模式，选择GL_DECAL、GL_MODULATE、GL_BLEND分别察看演示效果
  477. glEnable(GL_TEXTURE_2D);
  478. glShadeModel(GL_SMOOTH);   //更改GL_SMOOTH、GL_FLAT进行试验，察看效果
  479. /*  设置纹理坐标和物体几何坐标 */
  480. glRotatef(m_Rotateangle, 1, 1, 1);
  481. //纹理坐标的定义与演示效果，该图位于左下，纹理与图形表面吻合
  483. for (int i=0; i<m_triangles.size(); i++)
  484. {
  485. float dVector1[3],dVector2[3],norm[3];
  486. Vertex Point1,Point3,Point2;
  487.         Point1.x=m_triangles[i].ptr[0].x;
  488.         Point1.y=m_triangles[i].ptr[0].y;
  489. Point1.z=0.0;
  490. Point2.x=m_triangles[i].ptr[1].x;
  491. Point2.y=m_triangles[i].ptr[1].y;
  492. Point2.z=0.0;
  493. Point3.x=m_triangles[i].ptr[2].x;
  494. Point3.y=m_triangles[i].ptr[2].y;
  495. Point3.z=0.0;
  497.      dVector1[0] = m_triangles[i].ptr[1].x - m_triangles[i].ptr[0].x;
  498. dVector1[1] = m_triangles[i].ptr[1].y - m_triangles[i].ptr[0].y;
  499. dVector1[2] = m_triangles[i].ptr[1].z - m_triangles[i].ptr[0].z;
  501. dVector2[0] = m_triangles[i].ptr[2].x - m_triangles[i].ptr[0].x;
  502. dVector2[1] = m_triangles[i].ptr[2].y - m_triangles[i].ptr[0].y;
  503. dVector2[2] = m_triangles[i].ptr[2].z - m_triangles[i].ptr[0].z;
  505. norm[0]=dVector1[1]*dVector2[2]-dVector1[2]*dVector2[1];
  506. norm[1]=dVector1[2]*dVector2[0]-dVector1[0]*dVector2[2];
  507. norm[2]=dVector1[0]*dVector2[1]-dVector1[1]*dVector2[0];
  509. float dNormalLength=sqrt(norm[0]*norm[0] + norm[1]*norm[1] + norm[2]*norm[2]);
  510. aa=norm[0]/dNormalLength;
  511. bb=norm[1]/dNormalLength;
  512. cc=norm[2]/dNormalLength;
  515. glBegin(GL_TRIANGLES);
  516. glTexCoord2f(CalTexture(Point1.x,Point1.y,Point1.z).x, CalTexture(Point1.x, Point1.y, Point1.z).y); 
  517. glVertex3f(m_triangles[i].ptr[0].x, m_triangles[i].ptr[0].y, m_triangles[i].ptr[0].z);
  518. glTexCoord2f(CalTexture(Point2.x,Point2.y, Point2.z).x, CalTexture(Point2.x, Point2.y, Point2.z).y); 
  519. glVertex3f(m_triangles[i].ptr[1].x, m_triangles[i].ptr[1].y, m_triangles[i].ptr[1].z);
  520. glTexCoord2f(CalTexture(Point3.x, Point3.y, Point3.z).x, CalTexture(Point3.x, Point3.y,Point3.z).y);
  521. glVertex3f(m_triangles[i].ptr[2].x, m_triangles[i].ptr[2].y, m_triangles[i].ptr[2].z);
  522. glNormal3f(aa,bb,cc);   
  523. glEnd();
  524. }
  525. }
  526. glFlush();
  527. glDisable(GL_TEXTURE_2D);
  528. glPopMatrix();
  530. }
  532. void CMy07063257_GLView::OnSize(UINT nType, int cx, int cy) 
  533. {
  534. CView::OnSize(nType, cx, cy);
  535. glViewport(0,0,cx,cy);
  536.     glMatrixMode(GL_PROJECTION);
  537.     glLoadIdentity();
  538. if(cx<=cy)
  539. glOrtho(-500.0,500.0,-500.0*(GLfloat)cy/(GLfloat)cx,
  540. 500.0*(GLfloat)cy/(GLfloat)cx,-500.0,500.0);
  541.     else
  542. glOrtho(-500.0*(GLfloat)cx/(GLfloat)cy,
  543. 500.0*(GLfloat)cx/(GLfloat)cy,-500.0,500.0,-500.0,500.0);
  544.     glMatrixMode(GL_MODELVIEW);
  545.     glLoadIdentity();
  546. // TODO: Add your message handler code here
  548. }
  550. void CMy07063257_GLView::OPenGL_Lighting()
  551. {
  552.     glPushMatrix();
  553. GLfloat mat_diffuse[]={0.0f,1.0f,0.4f,1.0f};
  554.     GLfloat mat_specular[]={0.0f,1.0f,0.4f,1.0f};
  555.     GLfloat mat_shininess[]={80.0f};
  556. glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,mat_diffuse);
  557.     glMaterialfv(GL_FRONT,GL_SPECULAR,mat_specular);
  558.     glMaterialfv(GL_FRONT,GL_SHININESS,mat_shininess);
  560. glClearColor(0.0,0.0,0.0,0.0);
  561.     glShadeModel(GL_SMOOTH);
  563.     glPolygonMode(GL_FRONT,GL_FILL);
  564. glColor3f(0.0f,0.4f,1.0f);
  566. for(int i=0;i<m_triangles.size();i++)
  567. {
  568. double dNormal[3];
  569. dNormal[0] = m_triangles[i].Normal[0];
  570. dNormal[1] = m_triangles[i].Normal[1];
  571. dNormal[2] = m_triangles[i].Normal[2];
  573. glBegin(GL_POLYGON);
  574. glNormal3dv(dNormal);
  575. glVertex3f(m_triangles[i].ptr[0].x, m_triangles[i].ptr[0].y, m_triangles[i].ptr[0].z);
  576. glVertex3f(m_triangles[i].ptr[1].x, m_triangles[i].ptr[1].y, m_triangles[i].ptr[1].z);
  577. glVertex3f(m_triangles[i].ptr[2].x, m_triangles[i].ptr[2].y, m_triangles[i].ptr[2].z);
  578. glEnd();
  579. glFlush();
  580. }
  582. glPopMatrix();
  583. }
  585. BOOL CMy07063257_GLView::SetWindowPixelFormat(HDC hDC)
  586. {
  587. PIXELFORMATDESCRIPTOR pixelDesc; 
  588. pixelDesc.nSize = sizeof(PIXELFORMATDESCRIPTOR);  pixelDesc.nVersion = 1; 
  589. pixelDesc.dwFlags = PFD_DRAW_TO_WINDOW |         PFD_DRAW_TO_BITMAP |      PFD_SUPPORT_OPENGL |      PFD_SUPPORT_GDI |     PFD_STEREO_DONTCARE;  pixelDesc.iPixelType = PFD_TYPE_RGBA;  pixelDesc.cColorBits = 32; 
  590. pixelDesc.cRedBits = 8;
  591. pixelDesc.cRedShift = 16;
  592. pixelDesc.cGreenBits = 8; 
  593. pixelDesc.cGreenShift = 8; 
  594. pixelDesc.cBlueBits = 8; 
  595. pixelDesc.cBlueShift = 0;
  596. pixelDesc.cAlphaBits = 0;
  597. pixelDesc.cAlphaShift = 0;
  598. pixelDesc.cAccumBits = 64; 
  599. pixelDesc.cAccumRedBits = 16; 
  600. pixelDesc.cAccumGreenBits = 16; 
  601. pixelDesc.cAccumBlueBits = 16; 
  602. pixelDesc.cAccumAlphaBits = 0;
  603. pixelDesc.cDepthBits = 32; 
  604. pixelDesc.cStencilBits = 8; 
  605. pixelDesc.cAuxBuffers = 0; 
  606. pixelDesc.iLayerType = PFD_MAIN_PLANE; 
  607. pixelDesc.bReserved = 0; 
  608. pixelDesc.dwLayerMask = 0; 
  609. pixelDesc.dwVisibleMask = 0; 
  610. pixelDesc.dwDamageMask = 0; 
  611. m_GLPixelIndex = ChoosePixelFormat( hDC, &pixelDesc);
  612. if (m_GLPixelIndex==0) // Let's choose a default index. 
  613. {    m_GLPixelIndex = 1; 
  614. if (DescribePixelFormat(hDC, m_GLPixelIndex,      sizeof(PIXELFORMATDESCRIPTOR),&pixelDesc)==0) 
  615. return FALSE; 
  616. } 
  617. if (SetPixelFormat( hDC, m_GLPixelIndex,&pixelDesc)==FALSE)   return FALSE; 
  618. return TRUE; 
  619. }
  621. void CMy07063257_GLView::TriDelaunay(Vertex p1, Vertex p2)
  622. {
  623. CClientDC dc(this);
  625.     Vertex ThirdPoint;
  626.     ThirdPoint.x=(GetThirdPoint(p1,p2)).x;
  627.     ThirdPoint.y=(GetThirdPoint(p1,p2)).y;
  628.     ThirdPoint.z=(GetThirdPoint(p1,p2)).z;
  631.     if (ThirdPoint.x!=0 && ThirdPoint.y!=0)
  632. {
  633. glBegin(GL_LINE_LOOP);
  634. glVertex3f(p1.x,p1.y,p1.z);
  635. glVertex3f(p2.x,p2.y,p2.z);
  636. glVertex3f(ThirdPoint.x,ThirdPoint.y,ThirdPoint.z);
  637. glEnd();
  638. Edge l1;
  639. l1.p1.x=p1.x;
  640. l1.p1.y=p1.y;
  641. l1.p1.z=p1.z;
  643. l1.p2.x=p2.x;
  644. l1.p2.y=p2.y;
  645. l1.p2.z=p2.z;
  647. m_edges.push_back(l1);
  649. Triangle triangle;
  650. triangle.ptr[0].x=p1.x;
  651. triangle.ptr[0].y=p1.y;
  652. triangle.ptr[0].z=p1.z;
  654. triangle.ptr[1].x=p2.x;
  655. triangle.ptr[1].y=p2.y;
  656. triangle.ptr[1].z=p2.z;
  658. triangle.ptr[2].x=ThirdPoint.x;
  659. triangle.ptr[2].y=ThirdPoint.y;
  660. triangle.ptr[2].z=ThirdPoint.z;
  662. m_triangles.push_back(triangle);
  663. }
  665.     else 
  666. return;//储存已构成的直线 
  668. TriDelaunay(p1,ThirdPoint) ;             
  669. TriDelaunay(ThirdPoint,p2) ;  //标记已构三角形的边，对尚未构三角形的边用算法进行递归调用
  670. }
  672. void CMy07063257_GLView::OnLeft() 
  673. {
  674.     IsOpen++;
  675. type=IsOpen%4;
  676. switch(type)
  677. {
  678. case 0:
  679. { 
  681.           glTranslatef (-50.0, 0.0, 0.0);
  683.           OnPaint();
  684.   break;
  685. }
  686. case 1:
  687. {
  689.          glTranslatef (-50.0, 0.0, 0.0);
  691.          OnPaint();
  692. break;
  693. }
  696. case 2:
  697. {
  699.         glTranslatef (-50.0, 0.0, 0.0);
  701.          OnPaint();
  702. break;
  703. }
  704. case 3:
  706.         glTranslatef (-50.0, 0.0, 0.0);
  708.         OnPaint();
  709. }
  710. }
  712. void CMy07063257_GLView::OnRight() 
  713. {
  714.  IsOpen++;
  715. type=IsOpen%4;
  716. switch(type)
  717. {
  718. case 0:
  719. { 
  721.           glTranslatef (50.0, 0.0, 0.0);
  723.           OnPaint();
  724.   break;
  725. }
  726. case 1:
  727. {
  729.          glTranslatef (50.0, 0.0, 0.0);
  731.          OnPaint();
  732. break;
  733. }
  736. case 2:
  737. {
  739.         glTranslatef (50.0, 0.0, 0.0);
  741.          OnPaint();
  742. break;
  743. }
  744. case 3:
  746.         glTranslatef (50.0, 0.0, 0.0);
  748.         OnPaint();
  749. }
  750. }
  752. void CMy07063257_GLView::OnUp() 
  753. {
  754. // TODO: Add your command handler code here
  755.      IsOpen++;
  756. type=IsOpen%4;
  757. switch(type)
  758. {
  759. case 0:
  760. { 
  762.           glTranslatef (0.0, 50.0, 0.0);
  764.           OnPaint();
  765.   break;
  766. }
  767. case 1:
  768. {
  770.          glTranslatef (0.0, 50.0, 0.0);
  772.          OnPaint();
  773. break;
  774. }
  777. case 2:
  778. {
  780.         glTranslatef (0.0, 50.0, 0.0);
  782.          OnPaint();
  783. break;
  784. }
  785. case 3:
  787.         glTranslatef (0.0, 50.0, 0.0);
  789.         OnPaint();
  790. }
  791. }
  793. void CMy07063257_GLView::OnDown() 
  794. {
  795. // TODO: Add your command handler code here
  796.     IsOpen++;
  797. type=IsOpen%4;
  798. switch(type)
  799. {
  800. case 0:
  801. { 
  803.           glTranslatef (0.0, -50.0, 0.0);
  805.           OnPaint();
  806.   break;
  807. }
  808. case 1:
  809. {
  811.          glTranslatef (0.0, -50.0, 0.0);
  813.          OnPaint();
  814. break;
  815. }
  818. case 2:
  819. {
  821.         glTranslatef (0.0, -50.0, 0.0);
  823.          OnPaint();
  824. break;
  825. }
  826. case 3:
  828.         glTranslatef (0.0, -50.0, 0.0);
  830.         OnPaint();
  831. }
  832. }
  834. void CMy07063257_GLView::OnLrotaef() 
  835. {
  836. // TODO: Add your command handler code here
  837.     IsOpen++;
  838. type=IsOpen%4;
  839. switch(type)
  840. {
  841. case 0:
  842. { 
  844.           glRotatef (10.0, 0.0, 0.0, 1.0);
  846.           OnPaint();
  847.   break;
  848. }
  849. case 1:
  850. {
  852.          glRotatef (10.0, 0.0, 0.0, 1.0);
  854.          OnPaint();
  855. break;
  856. }
  859. case 2:
  860. {
  862.         glRotatef (10.0, 0.0, 0.0, 1.0);
  864.          OnPaint();
  865. break;
  866. }
  867. case 3:
  869.         glRotatef (10.0, 0.0, 0.0, 1.0);
  871.         OnPaint();
  872. }
  873. }
  875. void CMy07063257_GLView::OnRrotatef() 
  876. {
  877. // TODO: Add your command handler code here
  878.     IsOpen++;
  879. type=IsOpen%4;
  880. switch(type)
  881. {
  882. case 0:
  883. { 
  885.           glRotatef (-10.0, 0.0, 0.0, 1.0);
  887.           OnPaint();
  888.   break;
  889. }
  890. case 1:
  891. {
  893.          glRotatef (-10.0, 0.0, 0.0, 1.0);
  895.          OnPaint();
  896. break;
  897. }
  900. case 2:
  901. {
  903.         glRotatef (-10.0, 0.0, 0.0, 1.0);
  905.          OnPaint();
  906. break;
  907. }
  908. case 3:
  910.         glRotatef (-10.0, 0.0, 0.0, 1.0);
  912.         OnPaint();
  913. }
  914. }
  916. void CMy07063257_GLView::OnZoomout() 
  917. {
  918. // TODO: Add your command handler code here
  919.     IsOpen++;
  920. type=IsOpen%4;
  921. switch(type)
  922. {
  923. case 0:
  924. { 
  926.           glScalef (1.2, 1.2, 1.2);
  928.           OnPaint();
  929.   break;
  930. }
  931. case 1:
  932. {
  934.          glScalef (1.2, 1.2, 1.2);
  936.          OnPaint();
  937. break;
  938. }
  941. case 2:
  942. {
  944.          glScalef (1.2, 1.2, 1.2);
  946.          OnPaint();
  947. break;
  948. }
  949. case 3:
  951.         glScalef (1.2, 1.2, 1.2);
  953.         OnPaint();
  954. }
  955.   
  956. }
  958. void CMy07063257_GLView::OnZoomin() 
  959. {
  960. // TODO: Add your command handler code here
  961.     IsOpen++;
  962. type=IsOpen%4;
  963. switch(type)
  964. {
  965. case 0:
  966. { 
  968.           glScalef (0.8, 0.8, 0.8);
  970.           OnPaint();
  971.   break;
  972. }
  973. case 1:
  974. {
  976.          glScalef (0.8, 0.8, 0.8);
  978.          OnPaint();
  979. break;
  980. }
  983. case 2:
  984. {
  986.          glScalef (0.8, 0.8, 0.8);
  988.          OnPaint();
  989. break;
  990. }
  991. case 3:
  993.         glScalef (0.8, 0.8, 0.8);
  995.         OnPaint();
  996. }
  997.   
  998. }
  1000. void CMy07063257_GLView::OnFront() 
  1001. {
  1002. // TODO: Add your command handler code here
  1003. IsOpen++;
  1004. type=IsOpen%4;
  1005. switch(type)
  1006. {
  1007. case 0:
  1008. { 
  1010.           glRotatef (-10.0, 1.0, 0.0, 0.0);
  1012.           OnPaint();
  1013.   break;
  1014. }
  1015. case 1:
  1016. {
  1018.          glRotatef (-10.0, 1.0, 0.0, .0);
  1020.          OnPaint();
  1021. break;
  1022. }
  1025. case 2:
  1026. {
  1028.         glRotatef (-10.0, 1.0, 0.0, 0.0);
  1030.          OnPaint();
  1031. break;
  1032. }
  1033. case 3:
  1035.         glRotatef (-10.0, 1.0, 0.0, 0.0);
  1037.         OnPaint();
  1038. }
  1039. }
  1041. void CMy07063257_GLView::OnBack() 
  1042. {
  1043. // TODO: Add your command handler code here
  1044. IsOpen++;
  1045. type=IsOpen%4;
  1046. switch(type)
  1047. {
  1048. case 0:
  1049. { 
  1051.           glRotatef (10.0, 1.0, 0.0, 0.0);
  1053.           OnPaint();
  1054.   break;
  1055. }
  1056. case 1:
  1057. {
  1059.          glRotatef (10.0, 1.0, 0.0, .0);
  1061.          OnPaint();
  1062. break;
  1063. }
  1066. case 2:
  1067. {
  1069.         glRotatef (10.0, 1.0, 0.0, 0.0);
  1071.          OnPaint();
  1072. break;
  1073. }
  1074. case 3:
  1076.         glRotatef (10.0, 1.0, 0.0, 0.0);
  1078.         OnPaint();
  1079. }
  1080. }
  1083. Vertex CMy07063257_GLView::CalTexture(float xx, float yy, float zz)
  1084. {
  1085.    Vertex CalTexture1;
  1086.    CalTexture1.x=(MAXX-xx)/(MAXX-MINX);
  1087.    CalTexture1.y=(MAXY-yy)/(MAXY-MINY);
  1088.    CalTexture1.z=0.0;
  1089.    return CalTexture1;
  1090. }