DOC《综合实训报告》

pDoc->

Origin.x = recClient.Width()/2;

pDoc->

Origin.y = recClient.Height()/3;

//原点可能以变化,需重新计算各部件位置 pDoc->

CalPosition();

//画主动导轨 pDC->

MoveTo(pDoc->

Gui1[0]);

pDC->

LineTo(pDoc->

Gui1[1]);

pDC->

MoveTo(pDoc->

Gui1[2]);

pDC->

LineTo(pDoc->

Gui1[3]);

//画从动导轨 pDC->

MoveTo(pDoc->

Gui2[0]);

pDC->

LineTo(pDoc->

Gui2[1]);

pDC->

MoveTo(pDoc->

Gui2[2]);

pDC->

LineTo(pDoc->

Gui2[3]);

//换笔 penThick.CreatePen(PS_SOLID,3,RGB(255,0,255));

oldpen = pDC->

SelectObject(&

penThick);

//画主动块 pDC->

Polygon(pDoc->

Kuai1,4);

//画从动块 pDC->

Polygon(pDoc->

Kuai2,4);

pDC->

Polygon(pDoc->

Gan,4);

//画圆 CPoint Yuan_1[2], Yuan_2[2];

Yuan_1[0] = pDoc->

Yuan1[0];

Yuan_1[1] = pDoc->

Yuan1[1];

Yuan_2[0] = pDoc->

Yuan2[0];

Yuan_2[1] = pDoc->

Yuan2[1];

pDC->

Ellipse(CRect(Yuan_1[0], Yuan_1[1]));

pDC->

Ellipse(CRect(Yuan_2[0], Yuan_2[1]));

CPen pen;

pen.CreatePen(PS_SOLID,5, RGB(0, 0, 255));

oldpen = pDC->

SelectObject(&

pen);

//画轨迹 for (int j = 0;

j <

101;

j++) { pDC->

MoveTo(GuiJi[j]);

pDC->

LineTo(GuiJi[j+1]);

} //还原画笔 pDC->

SelectObject(oldpen);

} // CHK_772View printing BOOL CHK_772View::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo);

} void CHK_772View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CHK_772View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } // CHK_772View diagnostics #ifdef _DEBUG void CHK_772View::AssertValid() const { CView::AssertValid();

} void CHK_772View::Dump(CDumpContext&

dc) const { CView::Dump(dc);

} CHK_772Doc* CHK_772View::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->

IsKindOf(RUNTIME_CLASS(CHK_772Doc)));

return (CHK_772Doc*)m_pDocument;

} #endif //_DEBUG // CHK_772View message handlers void CHK_772View::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) { // TODO: Add your message handler code here and/or call default CHK_772Doc* pDoc = GetDocument();

ASSERT_VALID(pDoc);

if(nChar=='

A'

) { pDoc->

dX -= 2;

//让主动块左移2像素 if ( pDoc->

dX <

-95) { pDoc->

dX += 2;

} } else if(nChar=='

D'

) { pDoc->

dX += 2;

//让主动块右移2像素 if (pDoc->

dX >

95) { pDoc->

dX -= 2;

} } pDoc->

CalPosition();

Invalidate(刷新客户区 CView::OnKeyDown(nChar, nRepCnt, nFlags);

} void CHK_772View::OnOpen() { // TODO: Add your command handler code here i = 0;

SetTimer(1, 100, NULL);

} void CHK_772View::OnClose() { // TODO: Add your command handler code here KillTimer(1);

} void CHK_772View::OnTimer(UINT nIDEvent) { // TODO: Add your message handler code here and/or call default CHK_772Doc* pDoc = GetDocument();

GuiJi[i] = pDoc->

Guiji;

i++;

if (i >

= 100) { KillTimer(1);

} CView::OnTimer(nIDEvent);

} 结论: 存在问题:关闭之后轨迹无法消失. 问题与讨论 由于技术有限,存在的问题也比较多,只能基本满足要求.存在最严重的问题就是关闭之后轨迹不会消失,还请老师多多指教. ........