1、電腦科學(xué)與通信工程學(xué)院實(shí)驗(yàn)報(bào)告課程電腦圖形學(xué)實(shí)驗(yàn)題目二維圖形繪制學(xué)號(hào)專業(yè)班級(jí) 指導(dǎo)教師 日期成績(jī)?cè)u(píng)定表評(píng)價(jià)內(nèi)容具體內(nèi)容權(quán)重得分論證分析方案論證與綜合分析的正確、合理性20%算法設(shè)計(jì)算法描述的正確性與可讀性20%編碼實(shí)現(xiàn)源代碼正確性與可讀性30%程序書與標(biāo)準(zhǔn)標(biāo)識(shí)符定義標(biāo)準(zhǔn)，程序書寫風(fēng)格標(biāo)準(zhǔn)20%報(bào)告質(zhì)量報(bào)告清晰，提父準(zhǔn)時(shí)10%總分指導(dǎo)教師簽名二維圖形的繪制1. 實(shí)驗(yàn)內(nèi)容1繪制金剛石圖案金剛石圖案的成圖規(guī)那么是：把一個(gè)圓周等分成n份，然后每?jī)牲c(diǎn)之間連線。當(dāng)n取奇數(shù)時(shí), 該圖案可一筆連續(xù)繪成，即用MoveTo函數(shù)確定一個(gè)當(dāng)前點(diǎn)，然后連續(xù)用LineTo函數(shù)連點(diǎn)成 線。請(qǐng)?jiān)O(shè)計(jì)連線規(guī)那么并編程實(shí)現(xiàn)。2繪制

2、魔術(shù)三角形繪制以下圖所示的魔術(shù)三角形圖案，采用三種可明顯區(qū)分的顏色填充。3繪制遞歸圓應(yīng)用遞歸的方法繪制如下所示的圖案。2. 實(shí)驗(yàn)環(huán)境軟硬件運(yùn)行環(huán)境：Windows XP開發(fā)工具：visual studio 20223問題分析根據(jù)實(shí)驗(yàn)需求，需要在 MFC環(huán)境中建立一個(gè)由“文件、“繪圖和“幫助這 3 個(gè)菜單工程組成的菜單，其中“文件的子菜單為“退出，完成退出應(yīng)用程序的工作， “繪圖，的子菜單為“ Diamond',用于繪制金剛石圖案等，“幫助的子菜單為“關(guān) 于，用于顯示開發(fā)人員信息；定義一個(gè)輸人對(duì)話框類，提供個(gè)兩個(gè)參數(shù)的輸入界面。 最后在客戶區(qū)輸出圖案。1. 金剛石圖案：為把一個(gè)半徑為30

3、0的圓，等分繪制金剛石圖案；設(shè)計(jì)該算法為防止直線段的重復(fù)連接，需設(shè)計(jì)一個(gè)二重循環(huán)，代表起點(diǎn)索引號(hào)的外層整型變量i從i=0循環(huán)到i=n-2， 代表終點(diǎn)索引號(hào)的內(nèi)層整型變量j從j=i+1循環(huán)到j(luò)=n-1。以pi.x,pi.y為起點(diǎn)，以Pj.x,pj.y為終點(diǎn)依次連接各線段形成金剛石圖案。金剛石有兩種畫法：1每隔兩個(gè)頂點(diǎn)連線直至回到原起點(diǎn)，再將下一個(gè)點(diǎn)作為新的原起點(diǎn)。2每個(gè)點(diǎn)與其余點(diǎn)都連線直至全部連玩，再將隔一個(gè)點(diǎn)之后的點(diǎn)作為新的原起點(diǎn)。2. 魔術(shù)三角形：先繪制三角形圖形，再隨機(jī)在三個(gè)圖形中填色。3. 遞歸圓：先確定首個(gè)圓的中心點(diǎn)坐標(biāo)和半徑與其周圍八個(gè)小圓的中心點(diǎn)坐標(biāo)和半徑，再根據(jù)遞歸的深 度再算出

4、遞歸后圓的半徑，并計(jì)算出它們的圓中心點(diǎn)坐標(biāo)。設(shè)計(jì)一個(gè)二重循環(huán)，代表起點(diǎn)的外層循環(huán)從i = 0循環(huán)到i = n-2，代表終點(diǎn)的內(nèi)層循環(huán)從j = i+1循環(huán)到j(luò)=n-1。以pi.x ，pi.y 作為起點(diǎn)，以pj.x,pj.y 作為終 點(diǎn)繪制連接線。4. 算法設(shè)計(jì)class CDiam on dView : public CViewpublic:參數(shù)輸入和提示對(duì)話框CDlgDiam ond dlgDiamo nd;金剛石繪制中的參數(shù)輸入對(duì)話框CDIgCircle dlgCircle;/遞歸圓繪制中的參數(shù)輸入對(duì)話框CDIgBezier dlgBezier;/Bezie曲線繪制中的參數(shù)輸入對(duì)話框CDlg

5、B dlgB;/B樣條曲線繪制中的參數(shù)輸入對(duì)話框CDlgHi nt dlgHi nt;裁剪中的提示對(duì)話框用于裁剪時(shí)的裁剪窗口繪制的控制BOOL IsCutti ng;BOOL IsDrawi ng;裁剪窗口的左上角和右下角坐標(biāo)POINT RectP1;/左上角坐標(biāo)POINT RectP2;/右 下角坐標(biāo)繪圖函數(shù)，需要實(shí)現(xiàn)void DrawDiamo nd(in t,i nt,i nt);/繪制金剛石void DrawTria ngle();/繪制魔術(shù)三角void DrawRecursio nCircle(i nt);繪制遞歸圓void Polaris();/北 極星void DrawBezie

6、r1(POINT p4);/E知點(diǎn)作為控制點(diǎn)繪制 Bezier曲線void DrawBezier2(POINT p4);/E知點(diǎn)作為曲線上的點(diǎn)繪制Bezier曲線void DrawBCurve(POINT p6);/繪制 B 樣條曲線void Cut();/裁剪；void CDiam on dView:O nMen uDiam on d() IsCutti ng = FALSE;if(dlgDiamo nd.DoModal()=IDOK)DrawDiam on d(dlgDiam on d.m _nV ertex,dlgDiam ond.m_nRadius,100);調(diào)用繪制金剛石的函數(shù)繪制金

7、剛石圖案/nVertex:頂點(diǎn)數(shù)，radius圓半徑，millisecond筆畫之間的延遲時(shí)間void CDiam on dView:DrawDiam on d(i nt nV ertex, int radius,i nt milliseco nd)void CDiam on dView:O nMenu Tria ngle() IsCutti ng = FALSE;DrawTriangle();/調(diào)用繪制魔術(shù)三角的函數(shù)繪制魔術(shù)三角void CDiam on dView:DrawTria ngle()void CDiam on dView:O nMen uCircle() IsCutti ng

8、= FALSE;if(dlgCircle.DoModal()=IDOK)DrawRecursio nCircle(dlgCircle.m_nDepth )調(diào)用繪制遞歸圓的函數(shù)繪制遞歸圓/nDepth遞歸深度void CDiam on dView:DrawRecursio nCircle(i nt n Depth)5. 源代碼繪制金剛石圖案/nVertex:頂點(diǎn)數(shù)，radius圓半徑，millisecond筆畫之間的延遲時(shí)間int CDiam on dView:MaxX()CRect Rect;GetClie ntRect(& Rect);return Rect.right;int CD

9、iamo ndView:MaxY() CRect Rect;GetClie ntRect(& Rect);return Rect.bottom;void CDiam on dView:DrawDiam on d(i nt nV ertex, int radius,i nt milliseco nd)Inv alidateRg n(NULL);UpdateWi ndow();Sleep(100);CDC *pDC=GetDC();CRect rect;GetClie ntRect(& rect);CBrush br(RGB(0,0,0);pDC->FillRect(&

10、;rect,&br);CPe n n ewPe n(PS_S0LID,1,RGB(255,0,0);CPe n *OldPe n=pDC->SelectObject(&n ewPe n);double Thta = 2*PI/nVertex;double *x = new double nV ertex;double *y = new double nV ertex;for(int i=0;i<nVertex;i+) xi=radius*cos(i*Thta)+MaxX()/2;yi=radius*si n( i*Thta)+MaxY()/2;if(nV ertex

11、%2=0)for(int i=0;i<=nVertex-2;i+)for(i nt j=i+1;j<=nV ertex-1;j+)pDC->MoveTo(Rou nd(xi),Rou nd(yi);pDC->Li neTo(Rou nd(xj),Rou nd(yj);Sleep(millisec on d);else int j = 0;int k;for (i nt i = 0; i < nV ertex; i+) k = 0;while (k < nV ertex / 2)k+;j=j+k;pDC->MoveTo(Rou nd(x(j-k)% nV

12、 ertex),Rou nd(y(j-k)% nV ertex); pDC->Li neTo(Rou nd(xj% nV ertex),Rou nd(yj% nV ertex); Sleep(milliseco nd);pDC->SelectObject(OldPe n);繪制魔術(shù)三角void CDiam on dView:DrawTria ngle()Inv alidateRg n(NULL);UpdateWi ndow();CDC *pDC = GetDC();int colour3=RGB(255,0,0),RGB(0,0,255),RGB(0,255,0);for(int

13、n=0;n<20;n+)CBrush newBrush,*oldBrush;n ewBrush.CreateSolidBrush(colour n%3);POINT vertex16 = 610,66,355,505,762,505,714,420,508,420,710,66;CRgn Rgn 1,Rg n2,Rg n3;Rgn 1.CreatePolygo nRgn (vertex1,6, WINDING); oldBrush = pDC->SelectObject(&n ewBrush); pDC->FillRg n(&Rgn 1,&n ewBr

14、ush);Sleep(100); pDC->SelectObject(oldBrush);n ewBrush.DeleteObject();n ewBrush.CreateSolidBrush(colour( n+1)%3);POINT vertex36= 355,505,405,594,916,595,710,240,660,330,762,505;Rgn 3.CreatePolygo nRgn (vertex3, 6, WINDING); oldBrush = pDC->SelectObject(&n ewBrush); pDC->FillRg n(&Rg

15、 n3,&n ewBrush);Sleep(100); pDC->SelectObject(oldBrush);n ewBrush.DeleteObject(); pDC->SelectObject(oldBrush); newBrush.CreateSolidBrush(colour( n+2)%3);POINT vertex26= 710,66,508,420,612,420,710,240,916,594,968,505;Rgn 2.CreatePolygo nRgn (vertex2, 6, WINDING); oldBrush = pDC->SelectOb

16、ject(&n ewBrush); pDC->FillRg n(&Rg n2,&n ewBrush);Sleep(100);繪制遞歸圓/nDepth遞歸深度void CDiam on dView:DrawRecursio nCircle(i nt n Depth)Inv alidateRg n(NULL);UpdateWi ndow();double r=100;CDC *pDC = GetDC();CPen newPe n,*oldPe n;n ewPe n.CreatePe n(PS_SOLID,1,RGB(255,0,0);oldPen = pDC->

17、SelectObject(&n ewPe n);CRectrect(Rou nd(MaxX()/2-r),Rou nd(MaxY()/2-r),Rou nd(MaxX()/2+r),Rou nd(MaxY()/2+r);pDC->Ellipse(& rect);int x0=MaxX()/2;int y0=MaxY()/2;DrawRecursio nCircle1(x0,y0,r, nDepth);void CDiam on dView:DrawRecursio nCircle1(i nt x,i nt y,double r,i nt n Depth)int x18,y

18、18;double t=2*PI/8;CDC *pDC = GetDC();CPen newPe n,*oldPe n;n ewPe n.CreatePe n(PS_SOLID,1,RGB(255,0,0);oldPen = pDC->SelectObject(&n ewPe n);if(n Depth>0)n Depth-;for(int i=0;i<8;i+)x1i=Rou nd(x+2*r*cos(i*t);y1i=Rou nd(y+2*r*si n( i*t);for(int i=0;i<8;i+)CRectrect(Rou nd(x1i-0.3*r),Rou nd(y1i-0.3*r),Rou nd(x1i+0.3*r),Rou nd(y1i+0.3*r);pDC->Ellipse(&