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#pragma once
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#include "stdafx.h"
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#ifndef BACK_COLOR
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//COLORREF DrawerBackColor = RGB(192, 192, 192);
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#define BACK_COLOR
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#endif // !BACK_COLOR
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class DCHelp
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{
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public:
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//static COLORREF DrawerBackColor;// = RGB(192, 192, 192);
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// <20><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD>
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static bool ClearDC(CDC* pCdc, COLORREF clrBack)
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{
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//if (symbolFlag)
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//{
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// clrBack = RGB(192, 192, 192);
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//}
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//else
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//{
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// clrBack = RGB(255, 255, 255);
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//}
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//
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CRect clip;
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pCdc->GetClipBox(clip);
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//if (pCdc->GetDeviceCaps(RASTERCAPS)&RC_BITBLT)
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//{
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// CBrush br(clrBack);
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// CBrush* pOldBrush = pCdc->SelectObject(&br);
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// pCdc->PatBlt(clip.left, clip.top, clip.Width(), clip.Height(), PATCOPY);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸֧<E8B1B8>ִ˺<D6B4><CBBA><EFBFBD>
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// pCdc->SelectObject(pOldBrush);
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//}
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//else
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pCdc->FillSolidRect(clip, clrBack);
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return true;
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}
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// <20><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD>
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static bool ClearDCNull(CDC* pCdc, COLORREF clrBack)
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{
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CRect clip;
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pCdc->GetClipBox(clip);
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if (pCdc->GetDeviceCaps(RASTERCAPS)&RC_BITBLT)
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{
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CBrush* pBrush= CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH));
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CBrush* pOldBrush = pCdc->SelectObject(pBrush);
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pCdc->PatBlt(clip.left, clip.top, clip.Width(), clip.Height(), PATCOPY);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸֧<E8B1B8>ִ˺<D6B4><CBBA><EFBFBD>
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pCdc->SelectObject(pOldBrush);
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}
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else {
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CBrush *pBrush = CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH));
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//FromHandleһ<65><D2BB><EFBFBD><EFBFBD>ˢ<EFBFBD><CBA2><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊһ<CEAA><D2BB><EFBFBD><EFBFBD>ˢ<EFBFBD><CBA2><EFBFBD><EFBFBD>
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//GetStockObject(NULL) <20><>ȡһ<C8A1><D2BB><EFBFBD><CDB8><EFBFBD><EFBFBD>ˢ<EFBFBD><CBA2><EFBFBD><EFBFBD>
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CBrush *pOldBrush = pCdc->SelectObject(pBrush);// <20>ѻ<EFBFBD>ˢ<EFBFBD><CBA2><EFBFBD>ص<EFBFBD><D8B5>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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pCdc->Rectangle(clip);
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pCdc->SelectObject(pOldBrush);
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//pCdc->FillSolidRect(clip, clrBack);
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}
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return true;
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}
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};
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