ch9demo6view.cpp

零基础学Visual.C....教案PPT.随书光盘-452M.zip

// Ch9Demo6View.cpp : implementation of the CCh9Demo6View class
//

#include "stdafx.h"
#include "Ch9Demo6.h"

#include "Ch9Demo6Doc.h"
#include "Ch9Demo6View.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCh9Demo6View

IMPLEMENT_DYNCREATE(CCh9Demo6View, CView)

BEGIN_MESSAGE_MAP(CCh9Demo6View, CView)
	//{{AFX_MSG_MAP(CCh9Demo6View)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CCh9Demo6View construction/destruction

CCh9Demo6View::CCh9Demo6View()
{
	// TODO: add construction code here

}

CCh9Demo6View::~CCh9Demo6View()
{
}

BOOL CCh9Demo6View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CCh9Demo6View drawing

void CCh9Demo6View::OnDraw(CDC* pDC)
{
	CCh9Demo6Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	CBitmap bitmap;									//创建CBitmap对象
	CDC dcMemory;							
	bitmap.LoadBitmap(IDB_BITMAP1);						//加载位图资源
	dcMemory.CreateCompatibleDC(pDC);					//创建内存设备环境
	dcMemory.SelectObject(& bitmap);					//将位图选入内存设备环境中
	pDC->BitBlt(0,0,250,234,&dcMemory,0,0,SRCCOPY);	//将内存设备环境复制到当前设备环境中
	pDC->TextOut(40,240,"原始位图图像");
	pDC->StretchBlt(255,0,250,234,&dcMemory,62,58,125,117,SRCCOPY);	//局部放大一倍显示位图
	pDC->TextOut(290,240,"局部放大一倍");
}

/////////////////////////////////////////////////////////////////////////////
// CCh9Demo6View printing

BOOL CCh9Demo6View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CCh9Demo6View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CCh9Demo6View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CCh9Demo6View diagnostics

#ifdef _DEBUG
void CCh9Demo6View::AssertValid() const
{
	CView::AssertValid();
}

void CCh9Demo6View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CCh9Demo6Doc* CCh9Demo6View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCh9Demo6Doc)));
	return (CCh9Demo6Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CCh9Demo6View message handlers