previewview.cpp

来自「Visual C++ 的学习资料一」· C++ 代码 · 共 157 行

// previewView.cpp : implementation of the CMyPreviewView class
//

#include "stdafx.h"
#include "preview.h"

#include "previewDoc.h"
#include "previewView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyPreviewView

IMPLEMENT_DYNCREATE(CMyPreviewView, CView)

BEGIN_MESSAGE_MAP(CMyPreviewView, CView)
	//{{AFX_MSG_MAP(CMyPreviewView)
		// 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, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyPreviewView construction/destruction

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

}

CMyPreviewView::~CMyPreviewView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMyPreviewView drawing

void CMyPreviewView::OnDraw(CDC* pDC)
{
	CPreviewDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	titlefont.CreatePointFont(200,"宋体",pDC);
	bodyfont.CreatePointFont(120,"宋体",pDC);
	screenx =pDC->GetDeviceCaps(LOGPIXELSX);
	screeny =pDC->GetDeviceCaps(LOGPIXELSY);
	CRect rect;
	GetClientRect(rect);
	rect.DeflateRect(0,50,0,0);	
	pDC->SelectObject(&titlefont);	
	pDC->DrawText("打印预览",rect,DT_CENTER);			
	pDC->SelectObject(&bodyfont);
	CRect m_rect(rect);
	CRect temprect(m_rect.left,m_rect.top+100,m_rect.Width(),m_rect.bottom);
	pDC->DrawText("在基于文档、视图的结构中自定义打印预览",temprect,DT_CENTER);
	titlefont.DeleteObject();
	bodyfont.DeleteObject();
}

/////////////////////////////////////////////////////////////////////////////
// CMyPreviewView printing

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

void CMyPreviewView::OnBeginPrinting(CDC* pDC, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
	printx =pDC->GetDeviceCaps(LOGPIXELSX);
	printy =pDC->GetDeviceCaps(LOGPIXELSY);	

	ratex = (double)printx /screenx; //确定打印机与屏幕的比率
	ratey = (double)printy /screeny;

	pageheight =pDC->GetDeviceCaps(VERTRES);
	pagewidth =pDC->GetDeviceCaps(HORZRES);
	//获取打印机的左右边距
	
	leftmargin = pDC->GetDeviceCaps(PHYSICALOFFSETX);//获取左边距
	
	int phywidth= pDC->GetDeviceCaps(PHYSICALWIDTH);

	rightmargin = phywidth-pagewidth-leftmargin;
}

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

/////////////////////////////////////////////////////////////////////////////
// CMyPreviewView diagnostics

#ifdef _DEBUG
void CMyPreviewView::AssertValid() const
{
	CView::AssertValid();
}

void CMyPreviewView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CMyPreviewView message handlers

void CMyPreviewView::OnPrint(CDC* pDC, CPrintInfo* pInfo) 
{
	// TODO: Add your specialized code here and/or call the base class
	titlefont.CreatePointFont(200,"宋体",pDC);
	bodyfont.CreatePointFont(120,"宋体",pDC);
	screenx =pDC->GetDeviceCaps(LOGPIXELSX);
	screeny =pDC->GetDeviceCaps(LOGPIXELSY);
	CRect rect(-leftmargin,0,pagewidth+rightmargin,pageheight);
	rect.DeflateRect(0,(int)(ratey*50),0,0);	
	pDC->SelectObject(&titlefont);	
	pDC->StartDoc("printinformation");
	pDC->DrawText("打印预览",rect,DT_CENTER);			
	pDC->SelectObject(&bodyfont);
	CRect m_rect(rect);
	CRect temprect(m_rect.left,m_rect.top+(int)(ratey*100),m_rect.Width(),m_rect.bottom);
	pDC->DrawText("在基于文档、视图的结构中自定义打印预览",temprect,DT_CENTER);
	pDC->EndDoc();
	titlefont.DeleteObject();
	bodyfont.DeleteObject();
//	CView::OnPrint(pDC, pInfo);
}