myimageview.cpp

很好的一个 作图程序 对学习这个的很有帮助 希望大家喜欢

// MyImageView.cpp : implementation of the CMyImageView class
//

#include "stdafx.h"
#include "MyImage.h"

#include "MyImageDoc.h"
#include "MyImageView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyImageView

IMPLEMENT_DYNCREATE(CMyImageView, CScrollView)

BEGIN_MESSAGE_MAP(CMyImageView, CScrollView)
	//{{AFX_MSG_MAP(CMyImageView)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CMyImageView construction/destruction

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

}

CMyImageView::~CMyImageView()
{
}

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

	return CScrollView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMyImageView drawing

void CMyImageView::OnDraw(CDC* pDC)
{
	CMyImageDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	CSize sz = pDoc->pic.GetSize();
	pDoc->pic.Draw(pDC, 0,0,sz.cx,sz.cy,0,0,sz.cx,sz.cy);
}

void CMyImageView::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();

	CSize sizeTotal;
	// TODO: calculate the total size of this view
	sizeTotal.cx = sizeTotal.cy = 100;
//	SetScrollSizes(MM_TEXT, sizeTotal);
	SetScrollSizes(MM_TEXT, GetDocument()->pic.GetSize());
}

/////////////////////////////////////////////////////////////////////////////
// CMyImageView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyImageView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyImageView message handlers