?? gdiobject.h
字號:
#pragma once
//-----------------------------------------------------------------------------------//
// Windows Graphics Programming: Win32 GDI and DirectDraw //
// ISBN 0-13-086985-6 //
// //
// Written by Yuan, Feng www.fengyuan.com //
// Copyright (c) 2000 by Hewlett-Packard Company www.hp.com //
// Published by Prentice Hall PTR, Prentice-Hall, Inc. www.phptr.com //
// //
// FileName : gdiobject.h //
// Description: GDI object selection/deselection wrapper //
// Version : 1.00.000, May 31, 2000 //
//-----------------------------------------------------------------------------------//
class KGDIObject
{
HGDIOBJ m_hOld;
HDC m_hDC;
public:
HGDIOBJ m_hObj;
KGDIObject(HDC hDC, HGDIOBJ hObj)
{
m_hDC = hDC;
m_hObj = hObj;
m_hOld = SelectObject(hDC, hObj);
assert(m_hDC);
assert(m_hObj);
assert(m_hOld);
}
~KGDIObject()
{
HGDIOBJ h = SelectObject(m_hDC, m_hOld);
// assert(h==m_hObj);
DeleteObject(m_hObj);
// assert(GetObjectType(m_hObj)==0);
}
};
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