qgscoordinatereferencesystem_p.h

Go to the documentation of this file.

/***************************************************************************
                             qgscoordinatereferencesystem_p.h

                             --------------------------------
    begin                : 2016
    copyright            : (C) 2016 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef QGSCOORDINATEREFERENCESYSTEM_PRIVATE_H
#define QGSCOORDINATEREFERENCESYSTEM_PRIVATE_H


//
//  W A R N I N G
//  -------------
//
// This file is not part of the QGIS API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//

#include "qgscoordinatereferencesystem.h"

#if PROJ_VERSION_MAJOR>=6
#include <proj.h>
#include "qgsprojutils.h"
#else
#include <ogr_srs_api.h>
#endif

#ifdef DEBUG
typedef struct OGRSpatialReferenceHS *OGRSpatialReferenceH;
#else
typedef void *OGRSpatialReferenceH;
#endif

class QgsCoordinateReferenceSystemPrivate : public QSharedData
{
  public:

    explicit QgsCoordinateReferenceSystemPrivate()
#if PROJ_VERSION_MAJOR<6
      : mCRS( OSRNewSpatialReference( nullptr ) )
#endif
    {
    }

    QgsCoordinateReferenceSystemPrivate( const QgsCoordinateReferenceSystemPrivate &other )
      : QSharedData( other )
      , mSrsId( other.mSrsId )
      , mDescription( other.mDescription )
      , mProjectionAcronym( other.mProjectionAcronym )
      , mEllipsoidAcronym( other.mEllipsoidAcronym )
      , mIsGeographic( other.mIsGeographic )
      , mMapUnits( other.mMapUnits )
      , mSRID( other.mSRID )
      , mAuthId( other.mAuthId )
      , mIsValid( other.mIsValid )
#if PROJ_VERSION_MAJOR<6
      , mCRS( nullptr )
#endif
      , mValidationHint( other.mValidationHint )
      , mWkt( other.mWkt )
      , mProj4( other.mProj4 )
      , mAxisInvertedDirty( other.mAxisInvertedDirty )
      , mAxisInverted( other.mAxisInverted )
    {
#if PROJ_VERSION_MAJOR>=6
      if ( mIsValid && other.mPj )
        mPj.reset( proj_clone( QgsProjContext::get(), other.mPj.get() ) );
#else
      if ( mIsValid )
      {
        mCRS = OSRClone( other.mCRS );
      }
      else
      {
        mCRS = OSRNewSpatialReference( nullptr );
      }
#endif
    }

    ~QgsCoordinateReferenceSystemPrivate()
    {
#if PROJ_VERSION_MAJOR<6
      OSRDestroySpatialReference( mCRS );
#endif
    }

    long mSrsId = 0;

    QString mDescription;

    QString mProjectionAcronym;

    QString mEllipsoidAcronym;

    bool mIsGeographic = false;

    QgsUnitTypes::DistanceUnit mMapUnits = QgsUnitTypes::DistanceUnknownUnit;

    long mSRID = 0;

    QString mAuthId;

    bool mIsValid = false;

#if PROJ_VERSION_MAJOR>=6
    QgsProjUtils::proj_pj_unique_ptr mPj;
#else
    OGRSpatialReferenceH mCRS;
#endif

    QString mValidationHint;
    mutable QString mWkt;
    mutable QString mProj4;

    mutable bool mAxisInvertedDirty = false;

    mutable bool mAxisInverted = false;

};


#endif //QGSCOORDINATEREFERENCESYSTEM_PRIVATE_H