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

// Copyright 1989-2000 - 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.

**

** CLASS(ES):        CNCSRasterCoordinateConverter

** FILE:                NCSSystemcoords.h

** CREATED:                18 Jan 2000

** AUTHOR:                Matthew Bardsley

** PURPOSE:                Holds definition of CNCSRasterCoordinateConverter Class

** EDITS:

**

** CLASS NOTES:

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

#if !defined(NCSSYSTEMCOORDS_H)

#define NCSSYSTEMCOORDS_H

#include "NCSTypes.h"

#include "NCSExtents.h"

#include "NCSCoordinateSystem.h"

class NCS_EXPORT CNCSCoordinateConverter

{

public:

        CNCSCoordinateConverter();

         ~CNCSCoordinateConverter();

        CNCSCoordinateConverter &operator=(CNCSCoordinateConverter &pExt);

        NCSError ConvertAllFromScreen(void);

        NCSError SetScreenExtents(IEEE8 dSTLX, IEEE8 dSTLY, IEEE8 dSBRX,IEEE8 dSBRY);

        NCSError SetWorldExtents(IEEE8 dWTLX,IEEE8 dWTLY, IEEE8 dWBRX,IEEE8 dWBRY);

        NCSError SetAllExtents(IEEE8 dSTLX,IEEE8 dSTLY,

                                                                          IEEE8 dSBRX,IEEE8 dSBRY,

                                                                          IEEE8 dWTLX,IEEE8 dWTLY,

                                                                          IEEE8 dWBRX,IEEE8 dWBRY);

        NCSError ScreenToWorld(IEEE8 dX, IEEE8 dY, IEEE8 *pdX, IEEE8 *pdY);

        NCSError WorldToScreen( IEEE8 dX, IEEE8 dY, IEEE8 *pdX, IEEE8 *pdY);

        NCSError SetWorldCoordSys( CNCSCoordinateSystem *pCoordSys);

        CNCSExtents *m_pWorldExtent;

        CNCSExtents *m_pScreenExtent;

        CNCSCoordinateSystem *m_pWorldCoordSys;

};

class NCS_EXPORT CNCSRasterCoordinateConverter : public CNCSCoordinateConverter

{

public:

        CNCSRasterCoordinateConverter();

         ~CNCSRasterCoordinateConverter();

        CNCSRasterCoordinateConverter &operator=(CNCSRasterCoordinateConverter &pExt);

        NCSError ConvertAllFromScreen(void);

        NCSError SetAllExtents(IEEE8 dSTLX,IEEE8 dSTLY,

                                                                          IEEE8 dSBRX,IEEE8 dSBRY,

                                                                          IEEE8 dDTLX,IEEE8 dTLY,

                                                                          IEEE8 dDBRX,IEEE8 dBRY,

                                                                          IEEE8 dWTLX,IEEE8 dWTLY,

                                                                          IEEE8 dWBRX,IEEE8 dWBRY);

        NCSError SetDatasetExtents(IEEE8 dDTLX,IEEE8 dDTLY, IEEE8 dDBRX,IEEE8 dDBRY);

        NCSError WorldToDataset(IEEE8 dWX, IEEE8 dWY, IEEE8 *dDX, IEEE8 *dDY);

        NCSError DatasetToWorld(IEEE8 dDX, IEEE8 dDY, IEEE8 *dWX, IEEE8 *dWY);

        NCSError DatasetToScreen(IEEE8 dX, IEEE8 dY, IEEE8 *sX, IEEE8 *sY);

        NCSError ScreenToDataset(IEEE8 dX, IEEE8 dY, IEEE8 *pdX, IEEE8 *pdY);

        NCSError SetWorldCoordSys( CNCSCoordinateSystem *pCoordSys);

        CNCSExtents *m_pDatasetExtent;

};

#endif // !defined(NCSSYSTEMCOORDS_H)