envi-code/SourceCode/Code2026/tg_shs/inc/geo/TTempZoomWindow.h

//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TTempZoomWindow.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TTEMPZOOMWINDOW_H_
#define _TTEMPZOOMWINDOW_H_

#ifndef _TADSGEPOINT3D_H_
#include "TADSGePoint3d.h"
#endif

// 根据需要临时执行ZOOM, 并在析构时恢复视图
class GEOAPI TTempZoomWindow 
{
public:

	TTempZoomWindow(const TADSGePoint3d &ptMin, const TADSGePoint3d &ptMax);
	
	~TTempZoomWindow();

protected:

	TADSGePoint3d m_ptLowViewCorner, m_ptUpViewCorner;

	BOOL m_bRestoreView;

};


inline TTempZoomWindow::TTempZoomWindow(const TADSGePoint3d &ptMin, const TADSGePoint3d &ptMax)
{
	GetScreenCorner(m_ptLowViewCorner, m_ptUpViewCorner);
	m_bRestoreView = (AssureInCurrentView(ptMin, ptMax) == Acad::eOk);
}

inline TTempZoomWindow::~TTempZoomWindow()
{
	if (m_bRestoreView)
	{
		ArxZoom(m_ptLowViewCorner, m_ptUpViewCorner); //恢复视口
	}
}

#endif