武漢理工大學理學院數(shù)學系課程試驗報告VC程序設計班級姓名學號實驗畫正弦曲線函數(shù)曲線名稱所VC++6.0，office用軟件

日期 成績評定試驗室 理學院機房 教師簽名試驗目vc++6.0的及內(nèi)容Sin試驗原理步驟、OnParepareDC函數(shù)：voidCSinView::OnPrepareDC(CDC*pDC,CPrintInfo*pInfo){//TODO:Addyourspecializedcodehereand/orcallthebaseclassCRectrectClient;GetClientRect(rectClient);pDC->SetMapMode(MM_ANISTROPIC);pDC->SetWindowExt(1000,1000);pDC->SetViewportExt(rectClient.right,-rectClient.bottom);pDC->SetViewportOrg(rectClient.right/2,rectClient.bottom/2);CView::OnPrepareDC(pDC,pInfo);}類，并添加到工程中：DrawSin類#include“math.h“classDrawSin{private:intm_nFudu;intm_nZhouqi;intm_nXiangwei;CPointm_pPoint[1000];public:DrawSin(intw_nZhouqi,intw_nFudu,intw_nXiangwei);voidmyDraw(CDC*pDC);voidsetSin(intw_nZhouqi,intw_nFudu,intw_nXiangwei);};DrawSin類#include“stdafx.h“#include“DrawSin.h“DrawSin::DrawSin(intw_nZhouqi,intw_nFudu,intw_nXiangwei){m_nZhouqi=w_nZhouqi;m_nXiangwei=w_nXiangwei;m_nFudu=w_nFudu;}voidDrawSin::setSin(intw_nFudu,intw_nZhouqi,intw_nXiangwei){m_nZhouqi=w_nZhouqi;m_nXiangwei=w_nXiangwei;m_nFudu=w_nFudu;}voidDrawSin::myDraw(CDC*pDC){m_pPoint[0].x=-500;m_pPoint[0].y=m_nFudu*sin(2*3.1415*m_pPoint[0].x/m_nZhouqi+m_nXiangwei);pDC->MoveTo(m_pPoint[0]);CPenmyPen(0,5,RGB(0,0,255));pDC->SelectObject(myPen);for(inti=1;i<1000;i++){m_pPoint[i].x=i-500;//計算第ixy坐標m_pPoint[i].y=m_nFudu*sin(2*3.1415*m_pPoint[i].x/m_nZhouqi+m_nXiangwei);pDC->LineTo(m_pPoint[i]);}pDC->SelectStockObject(BLACK_PEN);}DrawSin.h頭文件，將數(shù)據(jù)放入文檔中：#include“DrawSin.h“數(shù)據(jù)成員進展初始化：public:DrawSinm_drawsin;CSinDoc::CSinDoc:m_drawsin(0,0,0){//TODO:addone-timeconstructioncodehere//m_drawsin(0,0,0);}5SinView.cpp中實現(xiàn)對視圖的操作：〔1、轉(zhuǎn)變視圖背景顏色：CBrushmyBrush(RGB(250,150,200));pDC->SelectObject(myBrush);pDC->Rectangle(-500,-500,500,500);pDC->SelectStockObject(WHITE_BRUSH);〔2、添加坐標軸：CPenmyPen(1,3,RGB(0,0,200));pDC->SelectObject(myPen);pDC->MoveTo(CPoint(0,-500));pDC->LineTo(CPoint(0,500));pDC->LineTo(CPoint(-20,450));pDC->MoveTo(CPoint(20,450));pDC->LineTo(CPoint(0,500));pDC->MoveTo(CPoint(-500,0));pDC->LineTo(CPoint(500,0));pDC->LineTo(CPoint(470,30));pDC->MoveTo(CPoint(470,-30));pDC->LineTo(CPoint(500,0));pDC->SelectStockObject(BLACK_PEN);6sin函數(shù)曲線：〔1、畫曲線pDoc->m_drawsin.setSin(400,400,0);pDoc->m_drawsin.myDraw(pDC);〔2、標示曲線、pDC->SetBkColor(RGB(250,150,200));CFontfont,*pOldFont;font.CreateFont(100,0,0,0,400,FALSE,FALSE,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_PITCH|FF_SWISS,“Arial“);pOldFont=(CFont*)pDC->SelectObject(&font);pDC->Tex