/******************************************************************************
 * $Id: ogr_idrisi.h 23040 2011-09-04 14:42:12Z rouault $
 *
 * Project:  Idrisi Translator
 * Purpose:  Definition of classes for OGR Idrisi driver.
 * Author:   Even Rouault, even dot rouault at mines dash paris dot org
 *
 ******************************************************************************
 * Copyright (c) 2011, Even Rouault <even dot rouault at mines dash paris dot org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ****************************************************************************/

#ifndef _OGR_IDRISI_H_INCLUDED
#define _OGR_IDRISI_H_INCLUDED

#include "ogrsf_frmts.h"

/************************************************************************/
/*                         OGRIdrisiLayer                               */
/************************************************************************/

class OGRIdrisiLayer : public OGRLayer
{
protected:
    OGRFeatureDefn*    poFeatureDefn;
    OGRSpatialReference *poSRS;
    OGRwkbGeometryType eGeomType;

    VSILFILE*          fp;
    int                bEOF;

    int                nNextFID;

    int                bExtentValid;
    double             dfMinX;
    double             dfMinY;
    double             dfMaxX;
    double             dfMaxY;

    unsigned int       nTotalFeatures;

    virtual OGRFeature *       GetNextRawFeature();

  public:
                        OGRIdrisiLayer(const char* pszLayerName, VSILFILE* fp,
                                       OGRwkbGeometryType eGeomType, const char* pszWTKString);
                        ~OGRIdrisiLayer();


    virtual void                ResetReading();
    virtual OGRFeature *        GetNextFeature();

    virtual OGRFeatureDefn *    GetLayerDefn() { return poFeatureDefn; }

    virtual int                 TestCapability( const char * );

    virtual OGRSpatialReference *GetSpatialRef() { return poSRS; }

    void SetExtent(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY);
    virtual OGRErr      GetExtent(OGREnvelope *psExtent, int bForce = TRUE);

    virtual int         GetFeatureCount( int bForce = TRUE );
};

/************************************************************************/
/*                        OGRIdrisiDataSource                           */
/************************************************************************/

class OGRIdrisiDataSource : public OGRDataSource
{
    char*               pszName;

    OGRLayer**          papoLayers;
    int                 nLayers;

  public:
                        OGRIdrisiDataSource();
                        ~OGRIdrisiDataSource();

    int                 Open( const char * pszFilename,
                              int bUpdate );

    virtual const char*         GetName() { return pszName; }

    virtual int                 GetLayerCount() { return nLayers; }
    virtual OGRLayer*           GetLayer( int );

    virtual int                 TestCapability( const char * );
};

/************************************************************************/
/*                         OGRIdrisiDriver                              */
/************************************************************************/

class OGRIdrisiDriver : public OGRSFDriver
{
  public:
                ~OGRIdrisiDriver();

    virtual const char*         GetName();
    virtual OGRDataSource*      Open( const char *, int );
    virtual int                 TestCapability( const char * );
};


#endif /* ndef _OGR_IDRISI_H_INCLUDED */
