www.pudn.com > sdi-dialog-bmp.rar > dbulinView.cpp

// dbulinView.cpp : implementation of the CDbulinView class 
// 
 
#include "stdafx.h" 
#include "dbulin.h" 
 
#include "dbulinDoc.h" 
#include "dbulinView.h" 
#include "ChooseImageDlg.h" 
//#include "DIB.H" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CDbulinView 
 
IMPLEMENT_DYNCREATE(CDbulinView, CView) 
 
BEGIN_MESSAGE_MAP(CDbulinView, CView) 
	//{{AFX_MSG_MAP(CDbulinView) 
	ON_COMMAND(ID_LOAD_IMAGE, OnLoadImage) 
	//}}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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CDbulinView construction/destruction 
 
CDbulinView::CDbulinView() 
{ 
	// TODO: add construction code here 
	 bLoadedImage = false; 
 
} 
 
CDbulinView::~CDbulinView() 
{ 
} 
 
BOOL CDbulinView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDbulinView drawing 
 
void CDbulinView::OnDraw(CDC* pDC) 
{ 
	CDbulinDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	// TODO: add draw code for native data here 
	if(bLoadedImage) 
	{ 
     	int m_scale = 1; 
	BYTE * pBitmapData = m_dib.GetData(); 
   
	LPBITMAPINFO pBitmapInfo = m_dib.GetInfo(); 
	int bitmapHeight =m_dib.GetHeight(); 
    int bitmapWidth = m_dib.GetWidth(); 
	int scaledHeight = (int)(bitmapWidth * m_scale); 
	int scaledWidth = (int)(bitmapHeight * m_scale); 
	if(m_dib.GetRGB()) 
	{ 
		CPalette * hPalette = CreateBitmapPalette(&m_dib); 
		CPalette *hOldPalette = pDC -> SelectPalette(hPalette, true); 
		pDC->RealizePalette(); 
		::StretchDIBits(pDC->GetSafeHdc(),0,0,scaledWidth,scaledHeight,0,0,bitmapWidth,bitmapHeight, 
			pBitmapData,pBitmapInfo,DIB_RGB_COLORS, SRCCOPY); 
		pDC->SelectPalette(hOldPalette, true); 
		::DeleteObject(hPalette); 
	} 
	else 
	{ 
		::StretchDIBits(pDC->GetSafeHdc(), 
			0,0,scaledWidth,scaledHeight, 
			0,0,bitmapWidth,bitmapHeight, 
           pBitmapData,pBitmapInfo, 
		   DIB_RGB_COLORS, SRCCOPY); 
	} 
	} 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDbulinView printing 
 
BOOL CDbulinView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default preparation 
	return DoPreparePrinting(pInfo); 
} 
 
void CDbulinView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add extra initialization before printing 
} 
 
void CDbulinView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add cleanup after printing 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDbulinView diagnostics 
 
#ifdef _DEBUG 
void CDbulinView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CDbulinView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
CDbulinDoc* CDbulinView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDbulinDoc))); 
	return (CDbulinDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CDbulinView message handlers 
 
 
 
CPalette* CDbulinView::CreateBitmapPalette(CDib* pBitmap) 
{ 
	struct 
	{ 
		WORD Version; 
		WORD NumberOfEntries; 
		PALETTEENTRY aEntries[256]; 
	} palette = { 0x300, 256 }; 
	LPRGBQUAD pRGBTable = pBitmap->GetRGB(); 
	UINT numberOfColors = pBitmap->GetNumberOfColors(); 
	for(UINT x = 0; xCreatePalette((LPLOGPALETTE)&palette); 
	return hPalette; 
} 
 
 
 
 
void CDbulinView::OnLoadImage()  
{ 
	// TODO: Add your command handler code here 
	CChooseImageDlg cdlg; 
 	cdlg.DoModal(); 
	FileName = cdlg.FileName; 
 
   m_dib.LoadFile(FileName); 
    bLoadedImage = true; 
	 
}