【VC开源代码栏目提醒】:网学会员,鉴于大家对VC开源代码十分关注,论文会员在此为大家搜集整理了“Ex09_3View.cpp”一文,供大家参考学习!
// Ex09_3View.cpp : implementation of the CEx09_3View class
//
#include "stdafx.h"
#include "Ex09_3.h"
#include "Ex09_3Doc.h"
#include "Ex09_3View.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CEx09_3View
IMPLEMENT_DYNCREATE(CEx09_3View, CScrollView)
BEGIN_MESSAGE_MAP(CEx09_3View, CScrollView)
//{{AFX_MSG_MAP(CEx09_3View)
ON_WM_LBUTTONDOWN()
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEx09_3View construction/destruction
CEx09_3View::CEx09_3View()
{
// TODO: add construction code here
}
CEx09_3View::~CEx09_3View()
{
}
BOOL CEx09_3View::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CScrollView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CEx09_3View drawing
void CEx09_3View::OnDraw(CDC* pDC)
{
CEx09_3Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
char s[10];
pDC->TextOut(10,10,"MM_LOMETRIC");//输出一行文字
pDC->SetMapMode(MM_LOMETRIC);
for(int i=0;i<pDoc->m_inumRects;i++)
{
pDC->Rectangle(30,-(120+i*420),330,-(420+i*420));//绘制矩形
}
wsprintf(s,"%d",pDoc->m_inumRects);
pDC->TextOut(400,-200,s);
}
void CEx09_3View::OnInitialUpdate()
{
CScrollView::OnInitialUpdate();
CSize sizeTotal;
// TODO: calculate the total size of this view
CSize size(900, 1024);//设置绘图区范围为:900*1024
SetScrollSizes(MM_TEXT, size);
}
/////////////////////////////////////////////////////////////////////////////
// CEx09_3View printing
BOOL CEx09_3View::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CEx09_3View::OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo)
{
// TODO: add extra initialization before printing
CEx09_3Doc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
int pageHeight=pDC->GetDeviceCaps(VERTRES);
int logPixelsY=pDC->GetDeviceCaps(LOGPIXELSY);
int rectHeight=(int)(2.2*logPixelsY);
int numPages=pDoc->m_inumRects*rectHeight/pageHeight+1;
pInfo->SetMaxPage(numPages);
}
void CEx09_3View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CEx09_3View diagnostics
#ifdef _DEBUG
void CEx09_3View::AssertValid() const
{
CScrollView::AssertValid();
}
void CEx09_3View::Dump(CDumpContext& dc) const
{
CScrollView::Dump(dc);
}
CEx09_3Doc* CEx09_3View::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx09_3Doc)));
return (CEx09_3Doc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CEx09_3View message handlers
void CEx09_3View::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
// TODO: Add your specialized code here and/or call the base class
if(pDC->IsPrinting())//应用
程序是否正在调用设备环境类的成员函数
{
int pageHeight=pDC->GetDeviceCaps(VERTRES);//获得打印页的高度
int originY=pageHeight*(pInfo->m_nCurPage-1);//新原点的Y轴坐标为当前页码减1乘以1页的大小
pDC->SetViewportOrg(0,-originY);//设置新原点
}
// CScrollView::OnPrepareDC(pDC, pInfo);
}
void CEx09_3View::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CEx09_3Doc*pDoc=GetDocument();
ASSERT_VALID(pDoc);
pDoc->m_inumRects++;
Invalidate();
CScrollView::OnLButtonDown(nFlags, point);
}