imagetoolview.cpp

嵌入式

// ImageToolView.cpp : implementation of the CImageToolView class
//

#include "stdafx.h"
#include "ImageTool.h"

#include "ImageToolDoc.h"
#include "ImageToolView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CImageToolView

IMPLEMENT_DYNCREATE(CImageToolView, CScrollView)

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

/////////////////////////////////////////////////////////////////////////////
// CImageToolView construction/destruction

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

}

CImageToolView::~CImageToolView()
{
}

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

	return CScrollView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CImageToolView drawing

void CImageToolView::OnDraw(CDC* pDC)
{
	CImageToolDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here

	

	if(pDoc->m_hBitmap)
	{

		CBitmap bmp;
		
		bmp.Attach(pDoc->m_hBitmap);
		
		// Get the size of the bitmap
		BITMAP bmpInfo;
		bmp.GetBitmap(&bmpInfo);
		
		
		CDC dcMemory;
		dcMemory.CreateCompatibleDC(pDC);

		 // Select the bitmap into the in-memory DC
	     CBitmap* pOldBitmap = dcMemory.SelectObject(&bmp);


		 pDC->BitBlt(0, 0, bmpInfo.bmWidth, bmpInfo.bmHeight, &dcMemory, 
         0, 0, SRCCOPY);

		dcMemory.SelectObject(&pOldBitmap);

		bmp.Detach();

	}


}

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

	CSize sizeTotal;
	// TODO: calculate the total size of this view
	sizeTotal.cx = sizeTotal.cy = 0;

	SetScrollSizes(MM_TEXT, GetDocument()->GetViewSize() );
	//SetScrollSizes(MM_TEXT, sizeTotal);
}

/////////////////////////////////////////////////////////////////////////////
// CImageToolView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CImageToolView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CImageToolView message handlers