coordtrans.h

来自「虚拟打印机」· C头文件 代码 · 共 61 行

/*
 *
 * coordtrans.h

   Copyright (C) 2006 Michael H. Overlin

   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
   
   Contact at [e-mail]

 *
 */

#ifndef COORDTRANS_H
#define COORDTRANS_H

#include "types.h"
#include <windows.h>

class CoordTrans {
public:
	CoordTrans(void);

	void Reset(IN const POINTD& ptdSrc, IN const POINT& ptDest, IN  double _dZoom,
		IN const RECTD&rdSrcNominal, IN const RECT& rDestNominal);

	void DoTrans(IN const POINTD& ptdSrc, OUT POINT& ptDest) const;
	void DoTrans(IN const RECTD& rdSrc, OUT RECT& rDest) const;
	void DoInvTrans(IN const POINT& ptDest, OUT POINTD& ptdSrc) const;
	void DoInvTrans(IN const RECT& rDest, OUT RECTD& rdSrc) const;

	void TranslateSrcOrg(IN const POINT& ptDestOffset);

	double GetZoom(void) const { return this->dZoom; }
	void SetZoom(double _dZoom);

	//7/8
	void SetNewOrgs(IN const POINTD& ptdNewSrcOrg, IN const POINT& ptNewDestOrg) ;


private:
	double dZoom;

	POINTD ptdSrcOrg;
	POINTD ptdDestOrg;
	double dScale;
};

#endif