?? gdi.h
字號:
#ifndef _GDINODESTACK
#define _GDINODESTACK
#include "stdafx.h"
#include <afxtempl.h>
struct CGdiNodeStack
{
CDC* m_pDC;
CGdiObject* m_pGdiObject;
CGdiObject* m_pSelectObject;
CGdiNodeStack(CDC* pDC, CGdiObject* pGdiObject)
{
m_pDC = pDC;
m_pGdiObject = pGdiObject;
m_pSelectObject = m_pDC->SelectObject(m_pGdiObject);
}
~CGdiNodeStack()
{
m_pDC->SelectObject(m_pSelectObject);
}
};
struct CGdiStack : public CList<CGdiNodeStack*, CGdiNodeStack*>
{
void Push(CDC* pDC, CGdiObject* pGdiObject)
{
AddTail(new CGdiNodeStack(pDC, pGdiObject));
}
void Pop()
{
CGdiNodeStack* p = RemoveTail();
delete p;
}
};
#endif //_GDINODESTACK
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