gjtview.cpp

多彩的标题栏和真彩背景图的实现

// GJTView.cpp : implementation of the CGJTView class
//

#include "stdafx.h"
#include "GJT.h"

#include "GJTDoc.h"
#include "GJTView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGJTView

IMPLEMENT_DYNCREATE(CGJTView, CView)

BEGIN_MESSAGE_MAP(CGJTView, CView)
	//{{AFX_MSG_MAP(CGJTView)
	ON_WM_ERASEBKGND()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CGJTView construction/destruction

CGJTView::CGJTView()
{
	// TODO: add construction code here
VERIFY(m_bmp.LoadBitmap(IDB_BITMAP5));
}

CGJTView::~CGJTView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CGJTView drawing

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

/////////////////////////////////////////////////////////////////////////////
// CGJTView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CGJTView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CGJTView message handlers

BOOL CGJTView::OnEraseBkgnd(CDC* pDC) 
{
	int nWidth;
	int nHeight;
	
	//CView::OnEraseBkgnd(pDC);
	CGJTDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	CRect rect;
	GetWindowRect(&rect);
	nWidth = rect.Width();
	nHeight= rect.Height();
	
	CDC MemDC;
	CBitmap MemBitmap;
	
	MemDC.CreateCompatibleDC (NULL);
	MemBitmap.CreateCompatibleBitmap(pDC,nWidth,nHeight);
	
	CBitmap *pOldBit=MemDC.SelectObject(&MemBitmap);
	MemDC.FillSolidRect(0,0,nWidth,nHeight,RGB(255,255,255));

	GetClientRect(rect);
	BITMAP bm;
	CDC dcMem;
	VERIFY(m_bmp.GetObject(sizeof(bm),(LPVOID)&bm));
	dcMem.CreateCompatibleDC(pDC);
	CBitmap *pOldBMP =( CBitmap *)dcMem.SelectObject(&m_bmp);
	MemDC.BitBlt( (rect.right - bm.bmWidth)/2,
		(rect.bottom - bm.bmHeight)/2,
		bm.bmWidth,bm.bmHeight,&dcMem,0,0,SRCCOPY);
	dcMem.SelectObject(pOldBMP);
	pDC->BitBlt(0,0,nWidth,nHeight,&MemDC,0,0,SRCCOPY);
	
	MemBitmap.DeleteObject();
	MemDC.DeleteDC();
	
	return TRUE;

	
//	return CView::OnEraseBkgnd(pDC);
}