/**
 * @file XTPHelpers.h
 *
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 *
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 *
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 *
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 *
 */

/** @cond */
#if !defined(__XTHELPERS_H__)
#	define __XTHELPERS_H__

#	if _MSC_VER > 1000
#		pragma once
#	endif // _MSC_VER > 1000

#	include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

// Safely selects object into device context
template<class T>
class CXTPContextObjectHandler
{
	T* m_pObject;
	CDC* m_pDC;

public:
	CXTPContextObjectHandler(CDC* pDC, T* object)
		: m_pDC(pDC)
		, m_pObject(pDC->SelectObject(object))
	{
	}

	~CXTPContextObjectHandler()
	{
		if (m_pObject)
		{
			m_pDC->SelectObject(m_pObject);
		}
	}
};

// Background mode context handler
class CXTPContextBkModeHandler
{
	int m_nMode;
	CDC* m_pDC;

public:
	CXTPContextBkModeHandler(CDC* pDC, int nNewMode)
		: m_nMode(pDC->SetBkMode(nNewMode))
		, m_pDC(pDC)
	{
	}

	~CXTPContextBkModeHandler()
	{
		m_pDC->SetBkMode(m_nMode);
	}
};

// Text color context handler
class CXTPContextTextColorHandler
{
	COLORREF m_clrFore;
	CDC* m_pDC;

public:
	CXTPContextTextColorHandler(CDC* pDC, int clrFore)
		: m_clrFore(pDC->SetTextColor(static_cast<COLORREF>(clrFore)))
		, m_pDC(pDC)
	{
	}

	~CXTPContextTextColorHandler()
	{
		m_pDC->SetTextColor(m_clrFore);
	}
};

// Background color context handler
class CXTPContextBkColorHandler
{
	COLORREF m_clrBack;
	CDC* m_pDC;

public:
	CXTPContextBkColorHandler(CDC* pDC, int clrBack)
		: m_clrBack(pDC->SetBkColor(static_cast<COLORREF>(clrBack)))
		, m_pDC(pDC)
	{
	}

	~CXTPContextBkColorHandler()
	{
		m_pDC->SetBkColor(m_clrBack);
	}
};

// Handles viewport origin
class CXTPContextViewPortOrgHandler
{
	CPoint m_pointOrigin;
	CDC* m_pDC;

public:
	CXTPContextViewPortOrgHandler(CDC* pDC, const CPoint& pointOrigin)
		: m_pointOrigin(pDC->SetViewportOrg(pointOrigin))
		, m_pDC(pDC)
	{
	}

	~CXTPContextViewPortOrgHandler()
	{
		m_pDC->SetViewportOrg(m_pointOrigin);
	}
};

#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
#endif // #if !defined(__XTHELPERS_H__)

/** @endcond */