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// selectobject.h - Declaration and implementation of Device Context helper classes.
//
// WinDirStat - Directory Statistics
// Copyright (C) 2003-2005 Bernhard Seifert
// Copyright (C) 2004-2017 WinDirStat Team (windirstat.net)
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Example:
// Instead of writing
// CGdiObject *old = pdc->SelectObject(&brush); ...; pdc->SelectObject(old);
// we can simply write
// CSelectObject sobrush(pdc, &brush);
// and the destructor will reselect the old object.
#ifndef __SELECTOBJECT_H_VER__
#define __SELECTOBJECT_H_VER__ 2017112219
#if (defined(_MSC_VER) && (_MSC_VER >= 1020)) || defined(__MCPP)
#pragma once
#endif /* Check for "#pragma once" support */
#include "stdafx.h"
class CSelectObject
{
public:
CSelectObject(CDC *pdc, CGdiObject *pObject)
{ m_pOldObject = pdc->SelectObject(pObject); m_pdc = pdc; }
~CSelectObject()
{ m_pdc->SelectObject(m_pOldObject); }
protected:
CDC *m_pdc;
CGdiObject *m_pOldObject;
};
class CSelectStockObject
{
public:
CSelectStockObject(CDC *pdc, int nIndex)
{ m_pOldObject = pdc->SelectStockObject(nIndex); m_pdc = pdc; }
~CSelectStockObject()
{ m_pdc->SelectObject(m_pOldObject); }
protected:
CDC *m_pdc;
CGdiObject *m_pOldObject;
};
class CSetBkMode
{
public:
CSetBkMode(CDC *pdc, int mode)
{ m_pdc = pdc; m_oldMode = pdc->SetBkMode(mode); }
~CSetBkMode()
{ m_pdc->SetBkMode(m_oldMode); }
protected:
CDC *m_pdc;
int m_oldMode;
};
class CSetTextColor
{
public:
CSetTextColor(CDC *pdc, COLORREF color)
{ m_pdc = pdc; m_oldColor = pdc->SetTextColor(color); }
~CSetTextColor()
{ m_pdc->SetTextColor(m_oldColor); }
protected:
CDC *m_pdc;
COLORREF m_oldColor;
};
class CSetBkColor
{
public:
CSetBkColor(CDC *pdc, COLORREF color)
{ m_pdc = pdc; m_oldColor = pdc->SetBkColor(color); }
~CSetBkColor()
{ m_pdc->SetBkColor(m_oldColor); }
protected:
CDC *m_pdc;
COLORREF m_oldColor;
};
class CSaveDC
{
public:
CSaveDC(CDC *pdc) { m_pdc = pdc; m_save = pdc->SaveDC(); }
~CSaveDC() { m_pdc->RestoreDC(m_save); }
protected:
CDC *m_pdc;
int m_save;
};
inline BOOL CreateRectRgn(CRgn& rgn, CRect rc)
{
return rgn.CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
}
inline COLORREF MakeShadowColor(COLORREF c, int percent)
{
return RGB(
RGB_GET_RVALUE(c) * percent / 100,
RGB_GET_GVALUE(c) * percent / 100,
RGB_GET_BVALUE(c) * percent / 100
);
}
#endif /* __SELECTOBJECT_H_VER__ */
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