T_LOCATION}}
#endif

//////////////////////////////////////////////////////////////
#include "StdAfx.h"
#include "TransparentImage.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE = __FILE__ ;
#endif

CTransparentImage::CTransparentImage()
{}

CTransparentImage::~CTransparentImage()
{}

BEGIN_MESSAGE_MAP( CTransparentImage, CStatic )
　//{{AFX_MSG_MAP( CTransparentImage )
　　ON_WM_PAINT()
　//}}AFX_MSG_MAP
END_MESSAGE_MAP()

void CTransparentImage::OnPaint()
{
　HBITMAP l_hbmpBitmap = GetBitmap() ;
　if( l_hbmpBitmap == NULL )
　{
　　Default() ;
　　return ;
　}
　CPaintDC l_PaintDC( this ) ;
　// Prepare everything for drawing
　CRect l_rcClient ;
　GetClientRect( &l_rcClient ) ;
　CDC l_BufferDC ;
　l_BufferDC.CreateCompatibleDC( &l_PaintDC ) ;
　CBitmap l_BufferBitmap ;
　l_BufferBitmap.CreateCompatibleBitmap(&l_PaintDC,l_rcClient.Width(), l_rcClient.Height() ) ;
　CBitmap* l_pOldBufferBitmap = l_BufferDC.SelectObject( &l_BufferBitmap ) ;
　CDC l_MaskDC ;
　l_MaskDC.CreateCompatibleDC( &l_PaintDC ) ;
　CBitmap l_MaskBitmap ;
　l_MaskBitmap.CreateBitmap( l_rcClient.Width(), l_rcClient.Height(), 1, 1, NULL ) ;
　CBitmap* l_pOldMaskBitmap = l_MaskDC.SelectObject( &l_MaskBitmap ) ;
　#define SRCMASK 0x00220326
　// Fill with transparent color
　l_BufferDC.FillSolidRect( &l_rcClient, RGB( 255, 0, 255 ) ) ;
　// Blit the bitmap to the buffer
　CDC l_MemoryDC ;
　l_MemoryDC.CreateCompatibleDC( &l_PaintDC ) ;
　CBitmap* l_pOldMemoryBitmap = l_MemoryDC.SelectObject( CBitmap::FromHandle( l_hbmpBitmap ) ) ;
　l_BufferDC.BitBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(), &l_MemoryDC,0, 0, SRCCOPY ) ;
　l_MemoryDC.SelectObject( l_pOldMemoryBitmap ) ;
　// Create the mask.
　COLORREF l_crOldBack = l_BufferDC.SetBkColor( RGB( 255, 0, 255 ) ) ;
　l_MaskDC.BitBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(), &l_BufferDC,0, 0, SRCCOPY ) ;
　l_BufferDC.SetBkColor( l_crOldBack ) ;
　// Draw the bitmap transparently now;
　if( ! l_PaintDC.MaskBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(),&l_BufferDC, 0, 0, l_MaskBitmap, 0, 0,ROP4_TRANSPARENTBLIT ) )
　{
　　CDC l_CopyDC ;
　　l_CopyDC.CreateCompatibleDC( &l_PaintDC ) ;
　　CBitmap l_CopyBitmap ;
　　l_CopyBitmap.CreateCompatibleBitmap( &l_PaintDC, l_rcClient.Width(),l_rcClient.Height() ) ;
　　CBitmap* l_pOldCopyBitmap = l_CopyDC.SelectObject( &l_CopyBitmap ) ;
　　l_CopyDC.BitBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(), &l_PaintDC,0, 0, SRCCOPY ) ;
　　l_CopyDC.BitBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(), &l_MaskDC,0, 0, SRCAND ) ;
　　l_BufferDC.BitBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(), &l_MaskDC,0, 0, SRCINVERT ) ;
　　l_CopyDC.BitBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(), &l_BufferDC,0, 0, SRCPAINT ) ;
　　l_PaintDC.BitBlt( 0, 0, l_rcClient.Width(), l_rcClient.Height(), &l_CopyDC,0, 0, SRCCOPY ) ;
　　l_CopyDC.SelectObject( l_pOldCopyBitmap ) ;
　}
　// Clean up.
　l_MaskDC.SelectObject( l_pOldMaskBitmap ) ;