preprintview.cpp

该程序用于实现类似于OFFICE的打印预览功能,用于特殊应用程序如财务管理系统的打印预览功能

// PrePrintView.cpp : implementation of the CPrePrintView class
//

#include "stdafx.h"
#include "PrePrint.h"

#include "PrePrintDoc.h"
#include "PrePrintView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CPrePrintView

IMPLEMENT_DYNCREATE(CPrePrintView, CScrollView)

BEGIN_MESSAGE_MAP(CPrePrintView, CScrollView)
	//{{AFX_MSG_MAP(CPrePrintView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CPrePrintView construction/destruction

CPrePrintView::CPrePrintView()
{
	// TODO: add construction code here

}

CPrePrintView::~CPrePrintView()
{
}

BOOL CPrePrintView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CScrollView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CPrePrintView drawing

void CPrePrintView::OnDraw(CDC* pDC)
{
	int i,j,nHeight;
	CString str;
	CFont font;
	TEXTMETRIC tm;
	CPrePrintDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	pDC->Rectangle(m_rectPrint+CRect(0,0,-20,20));
	j=m_rectPrint.Width()/1440;
	for(i=0;i<=j;i++)
	{
		str.Format("%02d",i);
		pDC->TextOut(i*1440,0,str);
	}
	j=-m_rectPrint.Height()/1440;
	for(i=0;i<=j;i++)
	{
		str.Format("%02d",i);
		pDC->TextOut(0,-i*1440,str);
	}
	font.CreateFont(-200,0,0,0,400,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH|FF_ROMAN,"Times New Roman");
	CFont *pOldFont=(CFont*)pDC->SelectObject(&font);
	pDC->GetTextMetrics(&tm);
	nHeight=tm.tmHeight+tm.tmExternalLeading;
	TRACE("font heihgt =%d,internal leading=%d\n",nHeight,tm.tmInternalLeading);
	j=pDoc->m_stringArray.GetSize();
	for(i=0;i<j;i++)
	{
		pDC->TextOut(720,-i*nHeight-720,pDoc->m_stringArray[i]);
	}
	pDC->SelectObject(pOldFont);
	TRACE("LOGPIXELSX=%d,LOGPIXELSY=%d\n",pDC->GetDeviceCaps(LOGPIXELSX),pDC->GetDeviceCaps(LOGPIXELSX));
	TRACE("HORZSIZE=%d,VERTSIZE=%d\n",pDC->GetDeviceCaps(HORZSIZE),pDC->GetDeviceCaps(VERTSIZE));
	
	// TODO: add draw code for native data here
}

void CPrePrintView::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();
    m_rectPrint=CRect(0,0,11600,-15120);
	CSize sizeTotal(m_rectPrint.Width(),-m_rectPrint.Height());
	CSize sizePage(sizeTotal.cx/2,sizeTotal.cy/2);
    CSize sizeLine(sizeTotal.cx/100,sizeTotal.cy/100);
	// TODO: calculate the total size of this view
	
	SetScrollSizes(MM_TWIPS, sizeTotal,sizePage,sizeLine);
}

/////////////////////////////////////////////////////////////////////////////
// CPrePrintView printing

BOOL CPrePrintView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	pInfo->SetMaxPage(1);
	return DoPreparePrinting(pInfo);
}

void CPrePrintView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CPrePrintView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CPrePrintView diagnostics

#ifdef _DEBUG
void CPrePrintView::AssertValid() const
{
	CScrollView::AssertValid();
}

void CPrePrintView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

CPrePrintDoc* CPrePrintView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CPrePrintDoc)));
	return (CPrePrintDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CPrePrintView message handlers