开通博客赚积分
发布资源赚积分
分类

源码开发语言/平台
当前位置：首页 > 源码/资料 > 图形图像 > GIS编程 > 查看源码
DrawView.cpp
资源名称：基本GIS系统开发.rar　[点击查看]
上传用户：yklx818
上传日期：2013-04-13
资源大小：459k
文件大小：24k
源码类别：

GIS编程

开发平台：

Visual C++

DrawView.cpp：源码内容
  1. // DrawView.cpp : implementation of the CDrawView class
  2. //
  4. #include "stdafx.h"
  5. #include "Draw.h"
  7. #include "DrawDoc.h"
  8. #include "DrawView.h"
  9. #include "math.h"
  10. #define pi 3.1415926
  12. #ifdef _DEBUG
  13. #define new DEBUG_NEW
  14. #undef THIS_FILE
  15. static char THIS_FILE[] = __FILE__;
  16. #endif
  18. /////////////////////////////////////////////////////////////////////////////
  19. // CDrawView
  20. //CGraphPara *p_GraphPara;
  21. IMPLEMENT_DYNCREATE(CDrawView, CView)
  23. BEGIN_MESSAGE_MAP(CDrawView, CView)
  24. //{{AFX_MSG_MAP(CDrawView)
  25. ON_WM_SIZE()
  26. ON_WM_MOUSEMOVE()
  27. ON_WM_LBUTTONDOWN()
  28. ON_WM_RBUTTONDOWN()
  29. ON_COMMAND(ID_DRAW_ARC,OnDrawArc)
  30. ON_COMMAND(ID_DRAW_CIRCLE,OnDrawCircle)
  31. ON_COMMAND(ID_DRAW_CIRCLE1,OnDrawCircle1)
  32.     ON_COMMAND(ID_DRAW_LINE,OnDrawLine)
  33. ON_COMMAND(ID_DRAW_PLINE,OnDrawPline)
  34. ON_COMMAND(ID_DRAW_RGN,OnDrawPlineRgn)
  35. ON_COMMAND(ID_DRAW_TEXT,OnDrawText)
  36. ON_COMMAND(ID_DRAW_NET,OnDrawNet)
  37. ON_COMMAND(ID_DRAW_NET_LINK,OnDrawNetLink)
  38. ON_COMMAND(ID_GRAPH_REDRAW, OnGraphRedraw)
  39. ON_COMMAND(ID_GRAPH_ZOOM, OnGraphZoom)
  40. ON_COMMAND(ID_GRAPH_PAN, OnGraphPan)
  41. ON_COMMAND(ID_GRAPH_UP, OnGraphUp)
  42. ON_COMMAND(ID_GRAPH_FIRST, OnGraphFirst)
  43. ON_COMMAND(ID_GRAPH_ALL, OnGraphAll)
  44. ON_COMMAND(ID_SELECT_MOUSE, OnSelectMouse)
  45. ON_COMMAND(ID_SELECT_CLEAR, OnSelectClear)
  46. ON_COMMAND(ID_EDIT_MOVE, OnEditMove)
  47. ON_COMMAND(ID_SELECT_DELETE, OnSelectDelete)
  48. //}}AFX_MSG_MAP
  49. // Standard printing commands
  50. ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
  51. ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
  52. ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
  53. ON_COMMAND(ID_TEXT_MESSAGE,DrawText)
  54. ON_COMMAND(ID_TEXT_ONOK,DrawTextOnOk)
  55. ON_COMMAND(ID_TEXT_ONCANCEL,DrawTextOnCancel)
  56. END_MESSAGE_MAP()
  57. CDrawView *p_View;
  58. /////////////////////////////////////////////////////////////////////////////
  59. // CDrawView construction/destruction
  60. void DPtoVP(float x,float y,int *X,int *Y);
  61. void VPtoDP(int x,int y,float *X,float *Y);
  62. int DLtoVL(float l);
  63. float VLtoDL(int l);
  64. extern float xMinScreen,yMinScreen,xMaxScreen,yMaxScreen;
  67. void DPtoVP(float x,float y,int *X,int *Y)
  68. {
  69. p_View->DPtoVP(x,y,X,Y);
  70. }
  71. void VPtoDP(int x,int y,float *X,float *Y)
  72. {
  73. p_View->VPtoDP(x,y,X,Y);
  74. }
  75. int DLtoVL(float l)
  76. {
  77. return p_View->DLtoVL(l);
  78. }
  79. float VLtoDL(int l)
  80. {
  81. return p_View->VLtoDL(l);
  82. }
  85. CDrawView::CDrawView()
  86. {
  87. // TODO: add construction code here
  88. m_xStart=0.0;
  89. m_yStart=0.0;
  90. blc=1.0;
  92. m_pColor=1;//设置笔色
  93. m_bColor=0;//当前底色的序号
  94. m_brColor=1;//设置填充色
  95. m_LineWide=1.0;//设置线宽
  96. m_LineType=0;//设置线型
  97. m_Layer=1;//选择当前图层
  99. PointXyz=new PointStruct[10000];
  100. pTextDlg=NULL;
  101. //以下设置初始字体大小
  102. m_FontHeight=20;
  103. m_FontWide=10;
  104. m_TextAngle=0;
  105. m_FontAngle=0;
  106. m_FontBetween=1;
  107. m_TextString.Empty();
  108. m_Text1=new CText();//创建一个标注文本对象
  109. }
  111. CDrawView::~CDrawView()
  112. {
  113. delete PointXyz;
  114. delete m_Text1;
  115. }
  117. BOOL CDrawView::PreCreateWindow(CREATESTRUCT& cs)
  118. {
  119. // TODO: Modify the Window class or styles here by modifying
  120. //  the CREATESTRUCT cs
  122. return CView::PreCreateWindow(cs);
  123. }
  125. /////////////////////////////////////////////////////////////////////////////
  126. // CDrawView drawing
  127. void CDrawView::VPtoDP(int x,int y,float *X,float *Y)
  128. {
  129. *X=m_xStart+x*blc;
  130. if(m_MapMode==1)
  131. *Y=m_yStart+blc*(m_hScreen-y);
  132. else
  133. *Y=m_yStart+blc*(y+m_hScreen);
  134. }
  135. void CDrawView::DPtoVP(float x,float y,int *X,int *Y)
  136. {
  137. *X=(int)((x-m_xStart)/blc);
  138. if(m_MapMode==1)
  139. *Y=m_hScreen-(int)((y-m_yStart)/blc);
  140. else
  141. *Y=(int)((y-m_yStart)/blc)-m_hScreen;
  142. }
  143. float CDrawView::VLtoDL(int l)
  144. {
  145. return blc*l;
  146. }
  147. int CDrawView::DLtoVL(float l)
  148. {
  149. return (int)(l/blc);
  150. }
  151. void CDrawView::OnSize(UINT nType,int cx,int cy)
  152. {
  153. m_wScreen=cx;
  154. m_hScreen=cy;
  155. CView::OnSize(nType,cx,cy);
  157. }
  158. void CDrawView::DrawBack(CDC* pDC)
  159. {
  160. CGraphPara m_GraphPara;
  161.     CGraphPara *p_GraphPara;
  162. p_GraphPara=&m_GraphPara;
  163. CBrush brush(p_GraphPara->GetColor(m_bColor));
  164. CBrush* pOldBrush=pDC->SelectObject(&brush);
  165. pDC->PatBlt(0,0,m_wScreen,m_hScreen,PATCOPY);
  166. pDC->SelectObject(pOldBrush);
  167. }
  169. void CDrawView::OnDraw(CDC* pDC)
  170. {
  171. CDrawDoc* pDoc = GetDocument();
  172. ASSERT_VALID(pDoc);
  173. // TODO: add draw code for native data here
  174. xMinScreen=m_xStart;
  175. yMinScreen=m_yStart;
  176. xMaxScreen=xMinScreen+blc*m_wScreen;
  177. yMaxScreen=yMinScreen+blc*m_hScreen;
  178.     DrawBack(pDC);
  179.     int a=m_bColor;
  180. pDoc->Draw(pDC,0,0,m_bColor);
  181. m_MapMode=pDC->SetMapMode(1);
  182. }
  184. /////////////////////////////////////////////////////////////////////////////
  185. // CDrawView printing
  187. BOOL CDrawView::OnPreparePrinting(CPrintInfo* pInfo)
  188. {
  189. // default preparation
  190. return DoPreparePrinting(pInfo);
  191. }
  193. void CDrawView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
  194. {
  195. // TODO: add extra initialization before printing
  196. }
  198. void CDrawView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
  199. {
  200. // TODO: add cleanup after printing
  201. }
  203. /////////////////////////////////////////////////////////////////////////////
  204. // CDrawView diagnostics
  206. #ifdef _DEBUG
  207. void CDrawView::AssertValid() const
  208. {
  209. CView::AssertValid();
  210. }
  212. void CDrawView::Dump(CDumpContext& dc) const
  213. {
  214. CView::Dump(dc);
  215. }
  217. CDrawDoc* CDrawView::GetDocument() // non-debug version is inline
  218. {
  219. ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDrawDoc)));
  220. return (CDrawDoc*)m_pDocument;
  221. }
  222. #endif //_DEBUG
  224. /////////////////////////////////////////////////////////////////////////////
  225. // CDrawView message handlers
  226. extern CGraphPara *p_GraphPara;
  229. void CDrawView::OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView) 
  230. {
  231. // TODO: Add your specialized code here and/or call the base class
  232. p_View=this;
  233. CDrawDoc* pDoc=(CDrawDoc*)GetDocument();
  234. p_Screen=pDoc->m_Screen;
  235. CView::OnActivateView(bActivate, pActivateView, pDeactiveView);
  236. }
  238. void CDrawView::OnPrint(CDC* pDC, CPrintInfo* pInfo) 
  239. {
  240. // TODO: Add your specialized code here and/or call the base class
  241. CPaintDC dc(this);
  242. OnPrepareDC(&dc);
  243. OnDraw(&dc);
  245. CView::OnPrint(pDC, pInfo);
  246. }
  248. void CDrawView::OnMouseMove(UINT nFlags, CPoint point) 
  249. {
  250. // TODO: Add your message handler code here and/or call default
  251. CDrawDoc* pDoc=GetDocument();
  252. CClientDC ddd(this);
  253. CPen pen(0,0,RGB(0,0,0));
  254. CPen* pOldPen=ddd.SelectObject(&pen);//在绘图对象中选择CPen对象
  255. ddd.SetROP2(R2_NOT);
  256. BOOL pb;
  257. int x1,y1;
  258. CArc m_Arc1;
  259. if(m_DrawCurrent==1&&PushNumb==1)//直线
  260. {
  261. if(mPointOld!=point)
  262. {
  263. ddd.MoveTo(mPointOrign);
  264. ddd.LineTo(mPointOld);
  265. ddd.MoveTo(mPointOrign);
  266. ddd.LineTo(point);
  267. mPointOld=point;
  268. }
  269. }
  270. else if((m_DrawCurrent==2||m_DrawCurrent==3)&&PushNumb>=1)
  271. {
  272. if(mPointOld!=point)
  273. {
  274. ddd.MoveTo(mPointOrign);
  275. ddd.LineTo(mPointOld);
  276. ddd.MoveTo(mPointOrign);
  277. ddd.LineTo(point);
  278. mPointOld=point;
  279. }
  280. }
  281. else if((m_DrawCurrent==4||m_DrawCurrent==5)&&PushNumb>=1)
  282. //如果正在绘制圆或填充圆，并且已经按下圆心点
  283. {
  284. if(mPointOld!=point)
  285. {
  286. if(m_DrawCurrent==4)
  287. {
  288. ddd.SelectStockObject(NULL_BRUSH);
  289. }
  290. r=(int)sqrt(pow((float)(mPointOrign.x-mPointOld.x),2)+pow((float)(mPointOrign.y-mPointOld.y),2));
  291. ddd.Ellipse(mPointOrign.x-r,mPointOrign.y-r,mPointOrign.x+r,mPointOrign.y+r);
  292. r=(int)sqrt(pow((long)(mPointOrign.x-point.x),2)+pow((float)(mPointOrign.y-point.y),2));
  293. ddd.Ellipse(mPointOrign.x-r,mPointOrign.y-r,mPointOrign.x+r,mPointOrign.y+r);
  294. mPointOld=point;
  295. }
  296. //Invalidate();
  299. }
  300. else if(m_DrawCurrent==6)//圆弧
  301. {
  302. if(PushNumb==2&&mPointOld!=point)
  303. {
  304.      if(DrawArcYes)
  305. m_Arc1.Draw(&ddd,1,0,m_bColor);
  306.   pb=jsarc(mPointOrign1,mPointOrign,point,&m_CircleX,&m_CircleY,&m_CircleR,&m_Angle1,&m_Angle2);
  307. if(pb)
  308. {
  309. m_Arc1.Init(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,0,m_CircleX,m_CircleY,m_CircleR,m_Angle1,m_Angle2);
  310. m_Arc1.Draw(&ddd,1,0,m_bColor);
  311. }
  312. DrawArcYes=pb;
  313. mPointOld=point;
  314. }
  315. // Invalidate();
  316. }
  317. else if(m_DrawCurrent==10&&PushNumb==1)
  318. {
  319. if(mPointOld!=point)
  320. {
  321. ddd.MoveTo(mPointOrign);
  322. ddd.LineTo(mPointOld);
  323. ddd.MoveTo(mPointOrign);
  324. ddd.LineTo(point);
  325. mPointOld=point;
  326. }
  327. }
  328. else if((m_DrawCurrent==11||m_DrawCurrent==12)&&PushNumb==1)
  329. {
  330. if(point!=mPointOld)
  331. {
  332. if(m_DrawCurrent==11)//放大
  333. {
  334. ddd.SelectStockObject(NULL_BRUSH); //设置不填充状态
  335. ddd.Rectangle(mPointOrign.x,mPointOrign.y,mPointOld.x,mPointOld.y);
  336. ddd.Rectangle(mPointOrign.x,mPointOrign.y,point.x,point.y);
  337. }
  338. else 
  339. {
  340. ddd.MoveTo(mPointOrign);ddd.LineTo(mPointOld);
  341. ddd.MoveTo(mPointOrign);ddd.LineTo(point);  //画新的橡皮线
  342. }
  343. mPointOld=point;
  344. }
  345. }
  346. else if(m_DrawCurrent==19)
  347. {
  348. if(point!=mPointOld&&PushNumb>0)
  349. {
  350. x1=VLtoDL(point.x-mPointOld.x);
  351. y1=-VLtoDL(point.y-mPointOld.y);
  352. x_Move+=x1;
  353. y_Move+=y1;
  354. for(int i=0;i<pDoc->n_GraphSelect;i++)
  355. pDoc->DrawGraph(&ddd,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index,1,1,0);
  356. for( i=0;i<pDoc->n_GraphSelect;i++)
  357. {
  358. CDraw* pDraw=pDoc->GetGraph(pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index);
  359. pDraw->Move(x1,y1);
  360. pDraw->Draw(&ddd,1,1,0);
  361. }
  362. }
  363. mPointOld=point;
  364. }
  367. CView::OnMouseMove(nFlags, point);
  368. }
  370. void CDrawView::OnLButtonDown(UINT nFlags, CPoint point) 
  371. {
  372. // TODO: Add your message handler code here and/or call default
  373. CDrawDoc* pDoc=GetDocument();
  374. CClientDC ht(this);
  375. float r;
  376. float xx1,yy1,xx2,yy2;
  377. int x1,x2,y1,y2,Lb,index,pbh,id_only;
  378. float BackColor;
  379. BOOL m_bFill;
  380. int id;
  381. int m_sNetID;
  382. //画直线
  383. if(m_DrawCurrent==1)
  384. {
  385. if(PushNumb==0)
  386. {
  387. PushNumb++;
  388. mPointOrign=point;
  389. mPointOld=point;
  390. SetCapture();
  391. }
  392. else if(PushNumb==1)
  393. {
  394. VPtoDP(mPointOrign.x,mPointOrign.y,&xx1,&yy1);
  395. VPtoDP(point.x,point.y,&xx2,&yy2);
  396. id_only=pDoc->GetGraphID(1);
  397. int b=m_pColor;
  398. CLine* pLine=pDoc->AddLine(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,xx1,yy1,xx2,yy2);
  399. pLine->Draw(&ht,0,0,m_bColor);
  400. PushNumb=0;
  401. ReleaseCapture();
  402. }
  403. }
  404. //连续直线或者多边形区域
  405. else if(m_DrawCurrent==2||m_DrawCurrent==3)
  406. {
  407. PointXyz[PushNumb].x=m_xStart+blc*point.x;
  408. PointXyz[PushNumb].y=m_yStart+blc*(m_hScreen-point.y);
  409. if(PushNumb==0)
  410. {
  411. SetCapture();
  412. mPointOrign=point;
  413. mPointOld=point;
  414. }
  415. else
  416. {
  417. mPointOrign=mPointOld;
  418. mPointOld=point;
  419. }
  420. PushNumb++;//记录按下鼠标左键的次数
  421. }
  422. else if(m_DrawCurrent==4||m_DrawCurrent==5)//圆或者填充圆
  423. {
  424. if(PushNumb==0)
  425. {
  426. mPointOrign=point;
  427. mPointOld=point;
  428. PushNumb++;
  429.             SetCapture();
  430. }
  431. else
  432. {
  433. r=(float)sqrt(pow((float)(mPointOrign.x-mPointOld.x),2)+pow((float)(mPointOrign.y-mPointOld.y),2));
  434. VPtoDP(mPointOrign.x,mPointOrign.y,&xx1,&yy1);
  435. if(m_DrawCurrent==4)
  436. m_bFill=0;
  437. else
  438. m_bFill=1;
  439. id_only=pDoc->GetGraphID(3);
  440. int a=m_pColor;
  441. pDoc->AddCircle(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,xx1,yy1,r,m_bFill)->Draw(&ht,0,0,m_bColor);
  442. PushNumb=0;
  443. ReleaseCapture();
  444. }
  445. }
  446. else if(m_DrawCurrent==6)//圆弧
  447. {
  448. if(PushNumb==0)
  449. {
  450. SetCapture();
  451. DrawArcYes=0;
  452. mPointOrign1=point;
  453. PushNumb++;
  454. }
  455. else if(PushNumb==1)
  456. {
  457. mPointOrign=point;
  458. PushNumb++;
  459. }
  460. else
  461. {
  462. jsarc(mPointOrign1,mPointOrign,point,&m_CircleX,&m_CircleY,&m_CircleR,&m_Angle1,&m_Angle2);
  463. id_only=pDoc->GetGraphID(4);
  464. pDoc->AddArc(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,m_CircleX,m_CircleY,m_CircleR,m_Angle1,m_Angle2)->Draw(&ht,0,0,m_bColor);
  465. PushNumb=0;
  466. ReleaseCapture();
  467.             Invalidate();
  468. }
  470. }
  471. else if(m_DrawCurrent==7)//标注文本的交互绘制
  472. {
  473. VPtoDP(point.x,point.y,&m_TextX,&m_TextY);
  474. if(!pTextDlg)
  475. {
  476. pTextDlg=new TextWriteDlg(this,m_TextString);
  477. ASSERT(pTextDlg);
  478. }
  479. if(!(pTextDlg->IsOpen()))
  480. pTextDlg->Create(IDD_WRITE_TEXT,this);
  481. if(!(pTextDlg->IsVisible()))
  482. pTextDlg->ShowWindow(SW_SHOW);
  483. }
  484. else if(m_DrawCurrent==8)
  485. {
  486. VPtoDP(point.x,point.y,&xx1,&yy1);
  487. id=pDoc->GetGraphID(8);
  488. pDoc->AddNetPoint(xx1,yy1,3,m_Layer,id,m_pColor)->Draw(&ht,0,0,1);
  489. PushNumb=0;
  490. ReleaseCapture();
  491. }
  492. else if(m_DrawCurrent==9)
  493. {
  494. VPtoDP(point.x,point.y,&xx1,&yy1);
  495. int nn1=pDoc->PointSelect(8,xx1,yy1,blc,&Lb,&index,&pbh);
  496. if(nn1>0)
  497. {
  498. if(PushNumb==0)
  499. {
  500. PushNumb++;
  501. m_sNetID=pbh;
  502. mPointOrign=point;
  503. mPointOld=point;
  504. SetCapture();
  505. }
  506. else if(PushNumb==1)
  507. {
  508. ht.MoveTo(mPointOrign);
  509. ht.LineTo(point);
  510. pDoc->AddNetLink(m_sNetID,pbh)->Draw(&ht,0,0,m_bColor);
  511. PushNumb=0;
  512. ReleaseCapture();
  513. }
  514. }
  515. }
  516. else if(m_DrawCurrent==11||m_DrawCurrent==12)
  517. {
  518. if(PushNumb==0)
  519. {
  520. mPointOrign=point;  //原点等于按中点
  521. mPointOld=point;
  522. PushNumb++;
  523. SetCapture();
  524. }
  525. else if(PushNumb==1)
  526. {
  527. if(m_DrawCurrent==11)//图形放大
  528. {
  529. x1=min(mPointOrign.x,point.x);
  530. y1=max(mPointOrign.y,point.y);
  531. x2=max(mPointOrign.x,point.x);
  532. y2=min(mPointOrign.y,point.y);
  533. VPtoDP(x1,y1,&m_xStart,&m_yStart);//得到视图屏幕原点实际坐标
  534. //改变原点的坐标
  535. m_xStart=m_xStart+blc*x1;
  536. m_yStart=m_yStart+blc*(m_hScreen-y1);
  537. //改变比例
  538. float b11=(float)m_wScreen/(float)(x2-x1);
  539. float b12=(float)m_hScreen/(float)(y1-y2);
  540. // float b11=(float)(x2-x1)/(float)m_wScreen;
  541. // float b12=(float)(y2-y1)/(float)m_hScreen;
  542. if(b12<b11)
  543. b11=b12;
  544. blc=blc/b11;
  545. }
  546. else 
  547. {
  548. m_xStart=m_xStart-blc*(point.x-mPointOrign.x);
  549. m_yStart=m_yStart+blc*(point.y-mPointOrign.y);
  550. }
  551. PushNumb=0;//完成操作，左键按下数置0
  552.             m_DrawCurrent=0;//完成一次后不继续运行此功能
  553. pDoc->AddScreen(m_xStart,m_yStart,blc);
  554. ReleaseCapture();
  555. Invalidate();
  556. }
  557. }
  558. else if(m_DrawCurrent==19)
  559. {
  560. if(PushNumb=0)
  561. {
  562. x_Move=0;
  563. y_Move=0;
  564. mPointOrign=point;
  565. mPointOld=point;
  566. PushNumb++;
  567. SetCapture();
  568. }
  569. else if(PushNumb==1)
  570. {
  571. PushNumb=0;
  572. ReleaseCapture();
  573. m_DrawCurrent=0;
  574. Invalidate();
  575. }
  576. }
  577. else if(m_DrawCurrent==30)//实现点选图形元素的功能
  578. {
  579. if(pDoc->n_GraphSelect==10000)
  580. {
  581. AfxMessageBox("最多只能选择10000个图形元素");
  582. return ;
  583. }
  584. VPtoDP(point.x,point.y,&xx1,&yy1);
  585. float j1=blc*4;
  586. BOOL pb=pDoc->PointSelect(xx1,yy1,j1,blc,&Lb,&index,&id_only);
  587. if(pb)
  588. {
  589. BOOL pb1=pDoc->AddSelectList(Lb,index,id_only);
  590. if(pb1)
  591. pDoc->DrawGraph(&ht,Lb,index,0,1,BackColor);
  592. // pDoc->DrawGraph(&ht,Lb,index,0,1);
  593. }
  594. }
  596. // CView::OnLButtonDown(nFlags, point);
  597. }
  599. void CDrawView::OnRButtonDown(UINT nFlags, CPoint point) 
  600. {
  601. // TODO: Add your message handler code here and/or call default
  602. CDrawDoc* pDoc=GetDocument();
  603. CClientDC ddd(this);
  604. CPen pen(0,0,RGB(0,0,0));
  605. CPen* pOldPen=ddd.SelectObject(&pen);
  606. ddd.SetROP2(R2_NOT);
  607. int id_only;
  608. CArc m_Arc1;
  609. if(m_DrawCurrent==1&&PushNumb==1)
  610. {
  611. ddd.MoveTo(mPointOrign);
  612. ddd.LineTo(mPointOld);
  613. PushNumb=0;
  614. ReleaseCapture();
  615. }
  616. else if((m_DrawCurrent==2||m_DrawCurrent==3)&&PushNumb>0)
  617. {
  618. ddd.MoveTo(mPointOrign);
  619. ddd.LineTo(mPointOld);
  620. if(m_DrawCurrent==2&&PushNumb>1)
  621. {
  622. id_only=pDoc->GetGraphID(2);
  623. pDoc->AddPLine(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,PushNumb,PointXyz)->Draw(&ddd,0,0,m_bColor);
  624. ReleaseCapture();
  625. }
  626. else if(m_DrawCurrent==3&&PushNumb>2)
  627. {
  628. id_only=pDoc->GetGraphID(2);
  629. pDoc->AddPLineRgn(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,PushNumb,PointXyz,0,1)->Draw(&ddd,0,0,m_bColor);
  630. ReleaseCapture();
  631. }
  632. PushNumb=0;
  633. ReleaseCapture();
  634. }
  635. else if((m_DrawCurrent==4||m_DrawCurrent==5)&&PushNumb>0)
  636. {
  637. if(m_DrawCurrent==4)
  638. ddd.SelectStockObject(NULL_BRUSH);
  639. r=(int)sqrt(pow((float)(mPointOrign.x-mPointOld.x),2)+pow((float)(mPointOrign.y-mPointOld.y),2));
  640.         ddd.Ellipse(mPointOrign.x-r,mPointOrign.y-r,mPointOrign.x+r,mPointOrign.y+r);
  641. ReleaseCapture();
  642. PushNumb=0;
  644. }
  645. else if(m_DrawCurrent==6&&PushNumb>0)
  646. {
  647. if(PushNumb==2)
  648. m_Arc1.Draw(&ddd,1,0,m_bColor);
  649. PushNumb=0;
  650. ReleaseCapture();
  651. }
  652. else if(m_DrawCurrent==9&&PushNumb==1)
  653. {
  654. ddd.MoveTo(mPointOrign);
  655. ddd.LineTo(mPointOld);
  656. PushNumb=0;
  657. ReleaseCapture();
  658. }
  659. else if((m_DrawCurrent==11||m_DrawCurrent==12)&&PushNumb==1)
  660. {
  661. ddd.SelectStockObject(NULL_BRUSH);
  662. if(m_DrawCurrent==11)
  663. ddd.Rectangle(mPointOrign.x,mPointOrign.y,point.x,point.y);
  664. else 
  665. {
  666. ddd.MoveTo(mPointOrign);
  667. ddd.LineTo(point);
  668. }
  669. ReleaseCapture();
  670. PushNumb=0;
  671. }
  672. else if(m_DrawCurrent==19&&PushNumb>0)
  673. {
  674. for(int i=0;i<pDoc->n_GraphSelect;i++)
  675. pDoc->DrawGraph(&ddd,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index,1,1,0);
  676. for(i=0;i<pDoc->n_GraphSelect;i++)
  677. pDoc->GetGraph(pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index)->Move(-x_Move,-y_Move);
  678. ReleaseCapture();
  679. PushNumb=0;
  680. // m_bPopup=1;
  681. Invalidate();
  682. }
  683. ddd.SelectObject(pOldPen);//恢复原来的画笔
  685. CView::OnRButtonDown(nFlags, point);
  686. }
  687. void CDrawView::OnDrawLine()
  688. {
  689. PushNumb=0;
  690. m_DrawCurrent=1;
  691. }
  692. void CDrawView::OnDrawCircle()
  693. {
  694. PushNumb=0;
  695. m_DrawCurrent=4;
  696. }
  697. void CDrawView::OnDrawCircle1()
  698. {
  699. PushNumb=0;
  700. m_DrawCurrent=5;
  701. }
  702. void CDrawView::OnDrawArc()
  703. {
  704. PushNumb=0;
  705. m_DrawCurrent=6;
  706. }
  707. void CDrawView::OnDrawText()
  708. {
  709. PushNumb=0;
  710. m_DrawCurrent=7;
  711. }
  712. void CDrawView::OnDrawPline()
  713. {
  714. PushNumb=0;
  715. m_DrawCurrent=2;
  716. }
  717. void CDrawView::OnDrawPlineRgn()
  718. {
  719. PushNumb=0;
  720. m_DrawCurrent=3;
  721. }
  722. void CDrawView::OnDrawNet()
  723. {
  724. PushNumb=0;
  725. m_DrawCurrent=8;
  726. }
  727. void CDrawView::OnDrawNetLink()
  728. {
  729. PushNumb=0;
  730. m_DrawCurrent=9;
  731. }
  732. BOOL CDrawView::jsarc(CPoint p1,CPoint p2,CPoint p3,float *CircleX,float *CircleY,float *CircleR,float *Angle1,float *Angle2)
  733. {
  734. float an1,an2,an3,k1,k2;
  735. float x1,y1,x2,y2,x3,y3,xx1,xx2,yy1,yy2,xx,yy,rr;
  736. x1=(float)p1.x;y1=(float)p1.y;x2=(float)p2.x;//将三个点的变量赋值给浮点变量
  737. y2=(float)p2.y;x3=(float)p3.x;y3=(float)p3.y;
  738. if(x1==x2&&y1==y2||x1==x3&&y1==y3||x2==x3&&y2==y3)//如果有两个点的坐标相同
  739. return FALSE;          //操作不成功，返回FALSE
  740. xx1=(x1+x2)/2;yy1=(y1+y2)/2;
  741. xx2=(x2+x3)/2;yy2=(y2+y3)/2;
  742. if(fabs(y2-y1)>0.5)   //如果第一条直线段的垂线不是竖直线
  743. k1=-(x2-x1)/(y2-y1);
  744. if(fabs(y3-y2)>0.5)
  745. k2=-(x3-x2)/(y3-y2);
  746. if(k1==k2&&k1==0.0)
  747. return 0;
  748. if(fabs(y2-y1)<0.5)
  749. {
  750. xx=xx1;
  751. if(fabs(y3-y2)<0.5)
  752. {
  753. yy=y2+10000;
  754. rr=10000;
  755. }
  756. else 
  757. {
  758. yy=yy2+k2*(xx2-xx);
  759. rr=yy-y2;
  760. if(rr<0)
  761. rr=-rr;
  762. }
  763. }
  764. else if(fabs(y2-y3)<0.5)
  765. {
  766. yy=yy1+k1*(xx1-xx);
  767. rr=yy-y2;
  768. if(rr<0)
  769. rr=-rr;
  770. }
  771. else 
  772. {
  773. if(k1==k2)
  774. {
  775. xx=x2+(float)(10000/sqrt(1+k1*k1));
  776. yy=y2+(float)(10000/sqrt((1+k1*k1)/(k1*k1)));
  777. rr=10000;
  778. }
  779. else
  780. {
  781. xx=(yy2-yy1+k1*xx1-k2*xx2)/(k1-k2);
  782. yy=yy1+k1*(xx-xx1);
  783. rr=(float)sqrt((xx-x1)*(xx-x1)+(yy-y1)*(yy-y1));
  784. }
  785. }
  786. *CircleX=m_xStart+blc*xx;
  787. *CircleY=m_yStart+blc*(m_hScreen-yy)*blc;
  788. *CircleR=blc*rr;
  789. an1=(float)acos((x1-xx)/rr);
  790. if(y1-yy>0)
  791. an1=(float)(pi*2-an1);
  792. an2=(float)acos((x2-xx)/rr);
  793. if(y2-yy>0)
  794. an2=(float)(pi*2-an2);
  795. an3=(float)acos((x3-xx)/rr);
  796. if(y3-yy>0)
  797. an3=(float)(pi*2-an3);
  798. if(an2>an1&&an2<an1+pi||an2<an1&&an2+pi<an1)
  799. {
  800. *Angle1=an1;
  801. *Angle2=an3;
  802. }
  803. else
  804. {
  805. *Angle1=an3;
  806. *Angle2=an1;
  807. }
  808. return TRUE;
  809. }
  810. void CDrawView::DrawText()
  811. {
  812. CClientDC ht(this);
  813. m_TextString=pTextDlg->m_Text;  //从标注文本对话框中得到标注文本内容
  814.     m_Text1->Init(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,m_TextX,m_TextY,m_TextAngle,m_FontAngle,m_FontHeight,m_FontWide,m_FontBetween,0,m_TextString);
  815. m_Text1->Draw(&ht,0,0,m_bColor);//绘制标准文本
  816. }
  817. void CDrawView::DrawTextOnOk()
  818. {
  819. CDrawDoc* pDoc=GetDocument();
  820. CClientDC ht(this);
  821. int TextLong;
  822. PushNumb=0;
  823. m_TextString=pTextDlg->m_Text;
  824. TextLong=m_TextString.GetLength();
  825. if(TextLong>0)
  826. {
  827. int id_only=pDoc->GetGraphID(5);
  828. pDoc->AddText(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,
  829. m_TextX,m_TextY,m_TextAngle,m_FontAngle,m_FontHeight,m_FontWide,
  830. m_FontBetween,0,TextLong,m_TextString)->Draw(&ht,0,0,m_bColor);
  831. pTextDlg->m_Text.Empty();    //晴空字符串内容
  832. pTextDlg->SendMessage(WM_INITDIALOG);
  834. }
  835. }
  836. void CDrawView::DrawTextOnCancel()
  837. {
  838. pTextDlg->m_Text.Empty();//晴空标注文本对话框中编辑框内的内容
  839. pTextDlg->SendMessage(WM_INITDIALOG);
  840. }
  842. void CDrawView::OnGraphRedraw() 
  843. {
  844. // TODO: Add your command handler code here
  845. CDrawDoc* pDoc=GetDocument();
  846. pDoc->UpdateAllViews(this);//使文档对象的所有视图重画
  847. Invalidate();
  849. }
  851. void CDrawView::OnGraphZoom() 
  852. {
  853. // TODO: Add your command handler code here
  854. m_DrawCurrent=11;//标识进行图形放大操作
  855.     PushNumb=0;
  857. }
  859. void CDrawView::OnGraphPan() 
  860. {
  861. // TODO: Add your command handler code here
  862. m_DrawCurrent=12;//标识进行图形摆动操作
  863. PushNumb=0;
  865. }
  867. void CDrawView::OnGraphUp() 
  868. {
  869. // TODO: Add your command handler code here
  870. CDrawDoc* pDoc=(CDrawDoc*)GetDocument();
  871. if(pDoc->m_CurrentScreen>0)
  872. pDoc->m_CurrentScreen--;
  873. m_xStart=p_Screen[pDoc->m_CurrentScreen].sx;
  874. m_yStart=p_Screen[pDoc->m_CurrentScreen].sy;
  875. blc=p_Screen[pDoc->m_CurrentScreen].blc;
  876. Invalidate();    //重画图形
  879. }
  881. void CDrawView::OnGraphFirst() //重画首屏
  882. {
  883. // TODO: Add your command handler code here
  884. CDrawDoc* pDoc=GetDocument();
  885. if(pDoc->m_CurrentScreen==0)
  886. return ;
  887. m_xStart=p_Screen[0].sx;
  888. m_yStart=p_Screen[0].sy;
  889. blc=p_Screen[0].blc;
  890. pDoc->AddScreen(m_xStart,m_yStart,blc);
  891. Invalidate();
  894. }
  896. //实现显示全屏功能
  897. void CDrawView::OnGraphAll() 
  898. {
  899. // TODO: Add your command handler code here
  900. float minx,miny,maxx,maxy,bl1;
  901. CDrawDoc* pDoc=GetDocument();
  902. SetCapture();
  903. SetCursor(LoadCursor(NULL,IDC_WAIT));
  904. BOOL pb=pDoc->GetRect(&minx,&miny,&maxx,&maxy);
  905. SetCursor(LoadCursor(NULL,IDC_ARROW));
  906. ReleaseCapture();
  907. if(!pb)
  908. return ;
  909. bl1=(maxx-minx)/(m_wScreen-20);
  910. blc=(maxy-miny)/(m_hScreen-20);
  911. if(bl1>blc)
  912. blc=bl1;
  913. m_xStart=minx-10*blc;
  914. m_yStart=miny-10*blc;
  915. p_Screen[0].sx=m_xStart;
  916. p_Screen[0].sy=m_yStart;
  917. p_Screen[0].blc=blc;
  918. pDoc->m_CurrentScreen=0;
  919. Invalidate();
  922. }
  924. void CDrawView::OnSelectMouse() 
  925. {
  926. // TODO: Add your command handler code here
  927.     m_DrawCurrent=30;   //标识进行图形元素点选操作 
  928. PushNumb=0;
  930. }
  932. void CDrawView::OnSelectClear() 
  933. {
  934. // TODO: Add your command handler code here
  935. CDrawDoc* pDoc=GetDocument();
  936. CClientDC ht(this);
  937. for(int i=0;i<pDoc->n_GraphSelect;i++)
  938. pDoc->DrawGraph(&ht,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index,0,0,0);
  939. pDoc->n_GraphSelect=0;
  941. }
  944. void CDrawView::OnEditMove() 
  945. {
  946. // TODO: Add your command handler code here
  947. CDrawDoc* pDoc=GetDocument();
  948. m_DrawCurrent=19;
  949. PushNumb=0;
  951. }
  952. void CDrawView::Delete(CDC* pDC,int Lb,int index)
  953. {
  954. float x1,y1,x2,y2;
  955. CDrawDoc* pDoc=GetDocument();
  956. CDraw* pDraw;
  957. pDraw=pDoc->GetGraph(Lb,index);
  958. pDraw->Delete(1);
  959. if(Lb==1)
  960. pDraw->Draw(pDC,0,2,m_bColor);
  961. else if(Lb==2)
  962. pDraw->Draw(pDC,0,2,m_bColor);
  963. else if(Lb==3)
  964. {
  965. if(!pDraw->IsFill())
  966. pDraw->Draw(pDC,0,2,m_bColor);
  967. else
  968. {
  969. pDraw->GetRect(&x1,&y1,&x2,&y2);
  970. ReDrawRect(x1,y1,x2,y2);
  971. }
  972. }
  973. else if(Lb==4)
  974. pDraw->Draw(pDC,0,2,m_bColor);
  975. else if(Lb==5)
  976. {
  977. pDraw->GetRect(&x1,&y1,&x2,&y2);
  978. ReDrawRect(x1,y1,x2,y2);
  979. }
  980. else if(Lb==6)
  981. {
  982. pDraw->GetRect(&x1,&y1,&x2,&y2);
  983. ReDrawRect(x1,y1,x2,y2);
  984. }
  985. else if(Lb==7)
  986. {
  987. pDraw->GetRect(&x1,&y1,&x2,&y2);
  988. ReDrawRect(x1,y1,x2,y2);
  989. }
  990. else if(Lb==8)
  991. pDraw->Draw(pDC,0,2,m_bColor);
  993. }
  995. void CDrawView::ReDrawRect(float X1,float Y1,float X2,float Y2)
  996. {
  997. float xx1,xx2,yy1,yy2;
  998. CRect r1;
  999. //以下是视图屏幕矩形区域的实际坐标
  1000. xx1=xMinScreen;
  1001. xx2=xMaxScreen;
  1002. yy1=yMinScreen;
  1003. yy2=yMaxScreen;
  1004. //得到需要绘制区域与视图屏幕区域相交的边界矩形
  1005. BOOL IsCross=RectCross(&xx1,&yy1,&xx2,&yy2,X1,Y1,X2,Y2);
  1006. if(IsCross)
  1007. {
  1008. r1.left=(int)((xx1-m_xStart)/blc)-1;
  1009. r1.right=(int)((xx2-m_xStart)/blc)+1;
  1010. r1.top=m_hScreen-(int)((yy2-m_yStart)/blc)-1;
  1011. r1.bottom=m_hScreen-(int)((yy1-m_yStart)/blc)+1;
  1012. InvalidateRect(r1);
  1014. }
  1015. }
  1017. BOOL CDrawView::RectCross(float* x1,float* y1,float* x2,float* y2,float xx1,float yy1,float xx2,float yy2)
  1018. {
  1019. float m_X1,m_Y1,m_X2,m_Y2;
  1020. m_X1=*x1;m_Y1=*y1;m_X2=*x2;m_Y2=*y2;
  1021. if(m_X1>xx2||m_X2<xx1||m_Y1>yy2||m_Y2<yy1)
  1022. return FALSE;
  1023. else
  1024. {
  1025. *x1=max(m_X1,xx1);
  1026. *y1=max(m_Y1,yy1);
  1027. *x2=min(m_X2,xx2);
  1028. *y2=min(m_X2,yy2);
  1029. return TRUE;
  1030. }
  1031. }
  1033. void CDrawView::OnSelectDelete() 
  1034. {
  1035. // TODO: Add your command handler code here
  1036. CDrawDoc* pDoc=GetDocument();
  1037. CClientDC ht(this);
  1038. for(int i=0;i<pDoc->n_GraphSelect;i++)
  1039. {
  1040. Delete(&ht,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index);
  1041. ReleaseCapture();
  1042. pDoc->n_GraphSelect=0;
  1043. }
  1044. }