www.pudn.com > wavelets-11.rar > WvltView.cpp

// WvltView.cpp : implementation of the CWvltView class 
// 
 
#include "stdafx.h" 
#include "Wavelets.h" 
 
#include "WvltDoc.h" 
#include "WvltView.h" 
#include  
#include  
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CWvltView 
IMPLEMENT_DYNCREATE(CWvltView, CView) 
 
BEGIN_MESSAGE_MAP(CWvltView, CView) 
	//{{AFX_MSG_MAP(CWvltView) 
	//}}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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CWvltView construction/destruction 
 
CWvltView::CWvltView() 
{ 
	// TODO: add construction code here 
 
} 
 
CWvltView::~CWvltView() 
{ 
} 
///////////////////////////////////////////////////////////////////////////// 
// CWvltView drawing 
 
void CWvltView::OnDraw(CDC* pDC) 
{ 
	CWvltDoc* pDoc = GetDocument(); 
 
	//	Display the transfered image 
	if( pDoc->m_pTransfered == NULL) 
		return ; 
 
	unsigned char* pBitmap = pDoc -> m_pBitmap; 
	LPBITMAPINFO lpBitmapInfo = (LPBITMAPINFO)(pBitmap + 14); 
	unsigned char* pBitmapData = pDoc->m_pTransfered; 
	unsigned long biHeight = ((LPBITMAPINFOHEADER)lpBitmapInfo)->biHeight; 
	unsigned long biWidth = ((LPBITMAPINFOHEADER)lpBitmapInfo)->biWidth; 
 
	CRect rect; 
	GetClientRect(&rect); 
	long originx = 0; 
	long originy = 0; 
	if((unsigned long)(rect.Width()) > biWidth) 
		originx = (rect.Width() - biWidth)>>1; 
	if((unsigned long)(rect.Height()) > biHeight) 
		originy = (rect.Height() - biHeight)>>1; 
 
	SetDIBitsToDevice(pDC->m_hDC, originx, originy, biWidth, biHeight, 0, 0, 0, biHeight, 
					  pBitmapData, lpBitmapInfo, DIB_RGB_COLORS); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CWvltView diagnostics 
 
#ifdef _DEBUG 
void CWvltView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CWvltView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
CWvltDoc* CWvltView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CWvltDoc))); 
	return (CWvltDoc*)m_pDocument; 
} 
#endif //_DEBUG