vc++编程绘图.doc

2-1源程序：#include”math.h”void CHhhh02View:OnDraw(CDC* pDC)CHhhh02Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect r;GetClientRect(r);pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/2,r.bottom/2);pDC-SetWindowExt(200,100);pDC-SetViewportExt(100,-80);int pp142=0,0, 0,120, -240,0, 240,0, 0,120, -160,0, -160,40,-80,0, -80,80, 0,0, 80,80, 80,0, 160,40, 160,0;pDC-MoveTo(pp00,pp01);for(int i=1;iLineTo(ppi0,ppi1); pDC-MoveTo(pp50,pp51);for(i=6;iLineTo(ppi0,ppi1);2-1运行结果：2-2源程序： #includemath.hvoid CMy13View:OnDraw(CDC* pDC)CMy13Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect r;GetClientRect(r); pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/4,r.bottom/2);pDC-SetWindowExt(200,100);pDC-SetViewportExt(200,-100);for(int i=1;iSelectObject(pi);pDC-MoveTo(300,100);pDC-Arc(300-10*i,100,300+10*i,100-20*i,300,100,300,100);2-2运行结果：2-3源程序：#includemath.hvoid CMy24View:OnDraw(CDC* pDC)CRect r;GetClientRect(r); pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/2,r.bottom/2);pDC-SetWindowExt(100,100);pDC-SetViewportExt(100,-100); CPen p1(0,2,RGB(0,0,0);double p352,p252;double a=3.1415926;for(int i=0;iMoveTo(0,0);pDC-SelectObject(p1);for( i=0;iMoveTo(0,0); pDC-LineTo(p3i0,p3i1); pDC-LineTo(p2i0,p2i1); pDC-MoveTo(0,0); pDC-LineTo(p2i0,p2i1); pDC-LineTo(p3i+10,p3i+11); pDC-MoveTo(p240,p241); pDC-LineTo(p300,p301);2-3运行结果：2-4源程序：void CMy2_4View:OnDraw(CDC* pDC)CMy2_4Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect r;GetClientRect(r); pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/2,r.bottom*3/4);pDC-SetWindowExt(200,100);pDC-SetViewportExt(400,-200);double p142=0,0,10,0,90,0,80,10,20,10,20,70,10,80,10,100,0,100,0,80,-10,70,-10,10,-70,10,-80,0; pDC-MoveTo(p130,p131);pDC-LineTo(p20,p21);pDC-MoveTo(p00,p01);pDC-LineTo(p80,p81);pDC-MoveTo(p10,p11);pDC-LineTo(p70,p71);pDC-MoveTo(p70,p71);pDC-LineTo(p80,p81);pDC-MoveTo(p110,p111);pDC-LineTo(p120,p121);pDC-MoveTo(p30,p31);pDC-LineTo(p40,p41);pDC-MoveTo(p100,p101);pDC-LineTo(p110,p111);pDC-MoveTo(p40,p41);pDC-LineTo(p50,p51);pDC-Arc(70,10,90,-10,90,0,80,10);pDC-Arc(0,80,20,60,20,70,10,80);pDC-Arc(-10,80,10,60,0,80,-10,70);pDC-Arc(-80,10,-60,-10,-70,10,-80,0);2-4运行结果：2-5源程序：#include math.hvoid CHhhh01View:OnDraw(CDC* pDC)CHhhh01Doc* pDoc = GetDocument();ASSERT_VALID(pDoc); CRect r ; GetClientRect(r);CPen p01(0,8,RGB(0,0,0),p02(1,0,RGB(255,0,0);pDC-SetMapMode(7);pDC-SetWindowExt(200,100);pDC-SetViewportExt(100,-50);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/2,r.bottom/2);int pp102=0,125, -280,125, -280,-100, 280,-100, 280,125, 0,125, -60,0, -60,-100, 60,0,60,-100;pp00=-sqrt(150*150-125*125);pp50=-pp00;pp61=-sqrt(100*100-60*60);pp81=pp61; pDC-SelectObject(p01);pDC-MoveTo(pp00,pp01);for(int i=1;iLineTo(ppi0,ppi1);pDC-MoveTo(pp60,pp61); pDC-LineTo(pp70,pp71);pDC-MoveTo(pp80,pp81); pDC-LineTo(pp90,pp91);pDC-Arc(-150,-150,150,150,pp50,pp51,pp00,pp01);pDC-Arc(-100,-100,100,100,pp80,pp81,pp60,pp61);pDC-SelectObject(p02);pDC-MoveTo(-110,0); pDC-LineTo(110,0); pDC-MoveTo(0,-110); pDC-LineTo(0,160);2-5运行结果：2-6源程序：void CMy1View:OnDraw(CDC* pDC)CMy1Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect r;GetClientRect(r); pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/2,r.bottom/2);pDC-SetWindowExt(200,100);pDC-SetViewportExt(200,-100);CPen p1(0,1,RGB(255,0,0); pDC-SelectObject(p1);pDC-MoveTo(0,0);pDC-Arc(-70,70,70,-70,70,0,-70,0); pDC-SetArcDirection(AD_COUNTERCLOCKWISE); pDC-Arc(-140,50,140,-50,-52.45,46.36,52.45,46.36);2-6运行结果：2-7源程序：#includemath.hvoid CMy2_7View:OnDraw(CDC* pDC)CMy2_7Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect r;GetClientRect(r); double a=3.1415926; pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/2,r.bottom/2);pDC-SetWindowExt(200,100);pDC-SetViewportExt(600,-300);pDC-Ellipse(-30,30,30,-30); pDC-Ellipse(-30*cos(60*a)/180),30,30*cos(60*a)/180),-30); pDC-Arc(-30*cos(30*a)/180),30,30*cos(30*a)/180),-30,0,30,0,30); for(int i=-20;iMoveTo(-sqrt(30*30-i*i),i); pDC-LineTo(sqrt(30*30-i*i),i);2-7运行结果：2-8源程序：#includemath.h#define R(theta) (cos(1.5*theta)*s1void Cmy110View:OnDraw(CDC* pDC)CMy2Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);/ TODO: add draw code for native data hereint x0,y0,x,y,s1=120;double r,theta;CRect rc;GetClientRect(&rc);x0=rc.right/2;y0=rc.bottom/2;pDC-SetMapMode(7);pDC-SetWindowExt(200,100);pDC-SetViewportExt(200,-100);pDC-SetViewportOrg(x0,y0);for(theta=0;thetaMoveTo(0,0);pDC-LineTo(x,y);2-8运行结果：2-10源程序：#includemath.hvoid CMy2_95View:OnDraw(CDC* pDC)CMy2_95Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect r;GetClientRect(r); pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/2,r.bottom/2);pDC-SetWindowExt(200,100);pDC-SetViewportExt(400,-200);pDC-Ellipse(-70,70,70,-70);pDC-Arc(-75,75,75,-75,75,-75,75,-75);double d=45;for(int i=(-60);iMoveTo (-sqrt(70*70-i*i)*cos(d)-i*sin(d),(-sqrt(70*70-i*i)*sin(d)+i*cos(d);pDC-LineTo (sqrt(70*70-i*i)*cos(d)-i*sin(d),(sqrt(70*70-i*i)*sin(d)+i*cos(d);2-9运行结果：2-10源程序：void Cmy110View:OnDraw(CDC* pDC)CMy6Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect r;GetClientRect(r); pDC-SetMapMode(7);pDC-SetWindowOrg(0,0);pDC-SetViewportOrg(r.right/3,r.bottom*2/3);pDC-SetWindowExt(200,100);pDC-SetViewportExt(200,-100); CPen p1(0,1,RGB(0,0,0);pDC-SelectObject(p1);for(int i=0;iMoveTo(20*i,20*i*0.4);pDC-LineTo(20*(i+1),20*(i+1)*0.4); pDC-LineTo(20*(i+1),65+20*(i+1)*0.4); pDC-LineTo(20*i,65+20*i*0.4); pDC-LineTo(20*i,20*i*0.4);for( i=0;iMoveTo(40*i,40*i*0.4);pDC-LineTo(40*i,-20+40*i*0.4);2-10运行结果：2-11源程序：#include math.h#define x(t) a*cos(t)*cos(phi*3.1415926/180)-b*sin(t)*sin(phi*3.1415926/180)+xo#define y(t) a*cos(t)*sin(phi*3.1415926/180)+b*sin(t)*cos(phi*3.1415926/180)+yovoid CMy10View:OnDraw(CDC* pDC)CMy10Doc* pDoc = GetDocument();ASSERT_VALID(pDoc);CRect rc; GetClientRect(rc); pDC-SetMapMode(7); pDC-SetViewportOrg(rc.right/2,rc.bottom/2); pDC-SetWindowExt(100,100); pDC-SetViewportExt(100,-100); for(double phi=0;phi(180-180/8);phi+=180/8) elli(0,0,100,40,phi);void CMy10View:elli(int xo, int yo, double a, double b, double phi) CClientDC dc(this); CRect rc; GetClientRect(rc); dc.SetMapMode(7); dc.SetViewportOrg(rc.right/2,rc.bottom/2); dc.SetWindowExt(100,100); dc.SetViewportExt(100,-100); for(double t=0; tSetTextColor(RGB(255,0,0);CPen p1(0,1,RGB(255,0,0); pDC-SelectObject(p1);pDC-TextOut(m,j,k);pDC-GetTextMetrics(&tm);j+=tm.tmHeight+10*tm.tmExternalLeading;int s=1; double s1=0.5;double x0=rc.right/2