www.pudn.com > Exclent_image_learn.rar > FloatDibWnd.cpp

// FloatDibWnd.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "ImageBoard.h" 
#include "ImageBoardDoc.h" 
#include "ImageBoardView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CFloatDibWnd 
 
CFloatDibWnd::CFloatDibWnd(HDIB hDib, CRect rc, CWnd* pParentWnd) 
{ 
	m_hDibFloat = hDib; 
	m_bFirst = TRUE; 
	m_hCursorFloat = AfxGetApp()->LoadCursor(IDC_CURSORMOVE); 
	Create(AfxRegisterWndClass(NULL, m_hCursorFloat),  
		   "", WS_VISIBLE|WS_CHILD|WS_CLIPSIBLINGS,  
		   rc, pParentWnd, 0x6612); 
} 
 
CFloatDibWnd::~CFloatDibWnd() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CFloatDibWnd, CWnd) 
	//{{AFX_MSG_MAP(CFloatDibWnd) 
	ON_WM_PAINT() 
	ON_WM_NCHITTEST() 
	ON_WM_SETCURSOR() 
	ON_WM_DESTROY() 
	ON_WM_MOVE() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CFloatDibWnd message handlers 
 
void CFloatDibWnd::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
 
	CRect rc; 
	GetClientRect(&rc); 
	CImageBoardView* pParent = (CImageBoardView *)GetParent(); 
	 
	CRect rcDraw(1, 1, rc.Width()-1, rc.Height()-1); 
	PaintDIB(dc.GetSafeHdc(), &rcDraw, m_hDibFloat, &rcDraw,  
		(HPALETTE)pParent->m_pDib->m_pPalette->GetSafeHandle(), SRCCOPY); 
	 
	CPen pen1(PS_SOLID, 1, RGB(255,255,255)); 
	CPen pen2(PS_DOT, 1, RGB(0,0,0)); 
	CPen* pOldPen = dc.SelectObject(&pen1); 
	//int nOldRop = dc.SetROP2(R2_NOTMERGEPEN); 
	dc.MoveTo(rc.left, rc.top); 
	dc.LineTo(rc.right-1, rc.top); 
	dc.LineTo(rc.right-1, rc.bottom-1); 
	dc.LineTo(rc.left, rc.bottom-1); 
	dc.LineTo(rc.left, rc.top); 
 
	dc.SelectObject(&pen2); 
	//int nOldRop = dc.SetROP2(R2_NOTMERGEPEN); 
	dc.MoveTo(rc.left, rc.top); 
	dc.LineTo(rc.right-1, rc.top); 
	dc.LineTo(rc.right-1, rc.bottom-1); 
	dc.LineTo(rc.left, rc.bottom-1); 
	dc.LineTo(rc.left, rc.top); 
	dc.SelectObject(pOldPen); 
	//dc.SetROP2(nOldRop); 
	// Do not call CWnd::OnPaint() for painting messages 
} 
 
UINT CFloatDibWnd::OnNcHitTest(CPoint point)  
{ 
	return HTCAPTION; 
} 
 
BOOL CFloatDibWnd::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
	SetCursor(m_hCursorFloat);	 
	 
	return TRUE;//CWnd::OnSetCursor(pWnd, nHitTest, message); 
} 
 
void CFloatDibWnd::OnDestroy()  
{ 
	CWnd::OnDestroy(); 
	 
	DestroyDIB(m_hDibFloat); 
} 
 
void CFloatDibWnd::OnMove(int x, int y)  
{ 
	CWnd::OnMove(x, y); 
 
	// eat the first WM_MOVE when creating 
	if (m_bFirst) 
	{ 
		m_bFirst = FALSE; 
		return; 
	} 
 
	CImageBoardView* pParent = (CImageBoardView *)GetParent(); 
	pParent->CutSelectedRect(); 
 
	UpdateWindow(); 
}