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/********************************************************

** Copyright 1999 Earth Resource Mapping Ltd.

** This document contains proprietary source code of

** Earth Resource Mapping Ltd, and can only be used under

** one of the three licenses as described in the

** license.txt file supplied with this distribution.

** See separate license.txt file for license details

** and conditions.

**

** This software is covered by US patent #6,442,298,

** #6,102,897 and #6,633,688.  Rights to use these patents

** is included in the license agreements.

**

** FILE:    NCSExtent.h

** CREATED: Thu Feb 25 09:19:00 WST 1999

** AUTHOR:  Mark Sheridan

** PURPOSE: Generic extent class

** EDITS:

 *******************************************************/

#ifndef NCSEXTENT_H

#define NCSEXTENT_H

#include "NCSTypes.h"

#include "NCSErrors.h"

#include "NCSDefs.h"

#if (defined(WIN32) && !defined(_WIN32_WCE))

#ifdef _DEBUG

#include <crtdbg.h>

#endif

#endif

class __declspec( dllexport ) CNCSExtent

{

public:

        CNCSExtent();

        virtual ~CNCSExtent();

        NCSError ConvertAllFromScreen(void);

        NCSError SetScreenExtents(double dSTLX, double dSTLY, double dSBRX,double dSBRY);

        NCSError SetDatasetExtents(double dDTLX, double dDTLY, double dDBRX, double dDBRY);

        NCSError SetWorldExtents(double dRTLX, double dRTLY, double dRBRX, double dRBRY);

        NCSError SetAllExtents(double dSTLX, double dSTLY, double dSBRX, double dSBRY,

                                                        double dDTLX, double dDTLY, double dDBRX, double dDBRY,

                                                        double dRTLX, double dRTLY, double dRBRX, double dRBRY);

        NCSError WorldToDataset( double dRX, double dRY, double *dDX, double *dDY);

        NCSError DatasetToWorld( double dDX, double dDY, double *dRX, double *dRY);

        NCSError DatasetToScreen(double dX, double dY, double *pX, double *pY);

        NCSError ScreenToDataset(double x, double y, double *dX, double *dY);

        NCSError ScreenToWorld(  double dX, double dY, double *pdX, double *pdY);

        NCSError WorldToScreen(  double dX, double dY, double *pdX, double *pdY);

        CNCSExtent &operator=(CNCSExtent &pExt);

        UINT32 m_dwFlags;

        UINT32 m_dwUnits;

        double m_dDatasetTLX;

        double m_dDatasetTLY;

        double m_dDatasetBRX;

        double m_dDatasetBRY;

        double m_dWorldTLX;

        double m_dWorldTLY;

        double m_dWorldBRX;

        double m_dWorldBRY;

        double m_dScreenTLX;

        double m_dScreenTLY;

        double m_dScreenBRX;

        double m_dScreenBRY;

        /*Scale values for transformations*/

        double m_dScaleX;

        double m_dScaleY;

        double m_dTransX;

        double m_dTransY;

};

#endif