www.pudn.com > src.zip > BmpButton.cpp

// BmpButton.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "BmpButton.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CBmpButton 
 
CBmpButton::CBmpButton() 
{	 
} 
 
CBmpButton::~CBmpButton() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CBmpButton, CButton) 
	//{{AFX_MSG_MAP(CBmpButton) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CBmpButton message handlers 
 
void CBmpButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)  
{ 
	if(m_bitmap.GetObject==NULL) 
		return; 
 
	UINT    nOffset=0;  
	UINT	nFrameStyle=0; 
	BOOL	bDRAWFOCUSONLY = FALSE; 
	int nState=lpDrawItemStruct->itemState;		 
	UINT	nNewAction = lpDrawItemStruct->itemAction; 
	 
	if ( nState & ODS_SELECTED) 
	{ 
		nFrameStyle = DFCS_PUSHED; 
		nOffset += 1; 
	} 
	nState=DSS_NORMAL; 
	if (nNewAction == ODA_FOCUS ) 
		bDRAWFOCUSONLY = TRUE; 
	 
	CRect rt; 
	GetClientRect(&rt); 
	if(!bDRAWFOCUSONLY) 
	{ 
		CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC); 
		CRect rtControl( lpDrawItemStruct->rcItem ); 
		CPoint pt(rtControl.left,rtControl.top); 
		CSize sizeDraw;		 
		sizeDraw.cx=rt.Width(); 
		sizeDraw.cy=rt.Height();			 
		pt.Offset(nOffset,nOffset); 
		pDC->Rectangle( &lpDrawItemStruct->rcItem );		 
		pDC->DrawFrameControl(&rtControl, DFC_BUTTON, DFCS_BUTTONPUSH | nFrameStyle);	 
		pDC->DrawState(pt,sizeDraw,m_bitmap,DST_BITMAP|nState);	 
	} 
} 
 
void CBmpButton::SetBitmap(CBitmap *pBit) 
{	 
	CRect rt; 
	GetClientRect(&rt); 
	m_bitmap.DeleteObject();		 
	HBITMAP hb=(HBITMAP)::CopyImage(pBit->GetSafeHandle(),IMAGE_BITMAP,rt.Width(),rt.Height(),LR_CREATEDIBSECTION); 
	m_bitmap.Attach(hb); 
	Invalidate(); 
}