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计算机图形学实验报告实验一
贵州大学实验报告 学院：
计信学院 专业：
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计科 101 姓名 罗琳 学号 1018060016 实here Algorithm=0;//算法选择 } void CLineDlg::OnRadio() {
// TODO: Add your control notification handler code here Algorithm=2; } void CLineDlg::OnRadio1() { // TODO: Add your control notification handler code here Algorithm=1; } void CLineDlg::OnLinedraw() { // TODO: Add your control notification handler code here CWnd* pWnd=GetDlgItem(IDC_STATIC); CDC* pControlDC=pWnd->GetDC(); pWnd->Invalidate(); pWnd->UpdateWindow(); pControlDC->SetViewportOrg(0,0); pControlDC->MoveTo(0,0); pControlDC->LineTo(0,335); pControlDC->MoveTo(0,0); pControlDC->LineTo(400,0); int i,j; for(i=0;iSetPixel(i,j,RGB(200,200,200)); for(i=0;iSetPixel(j,i,RGB(200,200,200)); int x1,y1,x0,y0; UpdateData(true);
x1=m_x1; x0=m_x0; y1=m_y1; y0=m_y0; switch (Algorithm) { case 0: { int a,b,d1,d2,d,x,y; float dy,dx,m; dx=float(x1-x0); dy=float(y1-y0); m=dy/dx; if(mSetPixel(x,y,RGB(0,255,0)); while(xSetPixel(x,y,RGB(0,255,0)); } } else {
a=x0-x1;b=y1-y0;d=2*a+b; d1=2*a;d2=2*(a+b); x=y0;y=x0; pControlDC->SetPixel(x,y,RGB(0,255,0)); while(xSetPixel(y,x,