GeoDataGeometry.cpp

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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2008      Torsten Rahn <rahn@kde.org>
// Copyright 2008-2009      Patrick Spendrin <ps_ml@gmx.de>
// Copyright 2008      Inge Wallin <inge@lysator.liu.se>
//


#include "GeoDataGeometry.h"
#include "GeoDataGeometry_p.h"

#include "GeoDataLinearRing.h"
#include "GeoDataLineString.h"
#include "GeoDataModel.h"
#include "GeoDataMultiGeometry.h"
#include "GeoDataMultiTrack.h"
#include "GeoDataPoint.h"
#include "GeoDataPolygon.h"
#include "GeoDataTrack.h"
#include "GeoDataTypes.h"

#include "MarbleDebug.h"

#include <QDataStream>


namespace Marble
{

GeoDataGeometry::GeoDataGeometry( const GeoDataGeometry& other )
    : GeoDataObject(),
      d_ptr(other.d_ptr)
{
    d_ptr->ref.ref();
}

GeoDataGeometry::GeoDataGeometry( GeoDataGeometryPrivate* priv )
    : GeoDataObject(),
      d_ptr(priv)
{
    d_ptr->ref.ref();
}

GeoDataGeometry::~GeoDataGeometry()
{
    if (!d_ptr->ref.deref())
        delete d_ptr;
}

void GeoDataGeometry::detach()
{
    if(d_ptr->ref.load() == 1) {
        return;
    }

     GeoDataGeometryPrivate* new_d = d_ptr->copy();

    if (!d_ptr->ref.deref())
        delete d_ptr;

    d_ptr = new_d;
    d_ptr->ref.ref();
}

GeoDataGeometry& GeoDataGeometry::operator=( const GeoDataGeometry& other )
{
    GeoDataObject::operator=( other );

    if (!d_ptr->ref.deref())
        delete d_ptr;

    d_ptr = other.d_ptr;
    d_ptr->ref.ref();
    
    return *this;
}

bool GeoDataGeometry::operator==(const GeoDataGeometry &other) const
{
    if (nodeType() != other.nodeType()) {
        return false;
    }

    if (nodeType() == GeoDataTypes::GeoDataPolygonType) {
        const GeoDataPolygon &thisPoly = static_cast<const GeoDataPolygon &>(*this);
        const GeoDataPolygon &otherPoly = static_cast<const GeoDataPolygon &>(other);

        return thisPoly == otherPoly;
    } else if (nodeType() == GeoDataTypes::GeoDataLinearRingType) {
        const GeoDataLinearRing &thisRing = static_cast<const GeoDataLinearRing&>(*this);
        const GeoDataLinearRing &otherRing = static_cast<const GeoDataLinearRing&>(other);

        return thisRing == otherRing;
    } else if (nodeType() == GeoDataTypes::GeoDataLineStringType) {
        const GeoDataLineString &thisLine = static_cast<const GeoDataLineString &>(*this);
        const GeoDataLineString &otherLine = static_cast<const GeoDataLineString &>(other);

        return thisLine == otherLine;
    } else if (nodeType() == GeoDataTypes::GeoDataModelType) {
        const GeoDataModel &thisModel = static_cast<const GeoDataModel &>(*this);
        const GeoDataModel &otherModel = static_cast<const GeoDataModel &>(other);

        return thisModel == otherModel;
    } else if (nodeType() == GeoDataTypes::GeoDataMultiGeometryType) {
        const GeoDataMultiGeometry &thisMG = static_cast<const GeoDataMultiGeometry &>(*this);
        const GeoDataMultiGeometry &otherMG = static_cast<const GeoDataMultiGeometry &>(other);

        return thisMG == otherMG;
    } else if (nodeType() == GeoDataTypes::GeoDataTrackType) {
        const GeoDataTrack &thisTrack = static_cast<const GeoDataTrack &>(*this);
        const GeoDataTrack &otherTrack = static_cast<const GeoDataTrack &>(other);

        return thisTrack == otherTrack;
    } else if (nodeType() == GeoDataTypes::GeoDataMultiTrackType) {
        const GeoDataMultiTrack &thisMT = static_cast<const GeoDataMultiTrack &>(*this);
        const GeoDataMultiTrack &otherMT = static_cast<const GeoDataMultiTrack &>(other);

        return thisMT == otherMT;
    } else if (nodeType() == GeoDataTypes::GeoDataPointType) {
        const GeoDataPoint &thisPoint = static_cast<const GeoDataPoint &>(*this);
        const GeoDataPoint &otherPoint = static_cast<const GeoDataPoint &>(other);

        return thisPoint == otherPoint;
    }

    return false;
}

bool GeoDataGeometry::extrude() const
{
    return d_ptr->m_extrude;
}

void GeoDataGeometry::setExtrude( bool extrude )
{
    detach();
    d_ptr->m_extrude = extrude;
}

AltitudeMode GeoDataGeometry::altitudeMode() const
{
    return d_ptr->m_altitudeMode;
}

void GeoDataGeometry::setAltitudeMode( const AltitudeMode altitudeMode )
{
    detach();
    d_ptr->m_altitudeMode = altitudeMode;
}

const GeoDataLatLonAltBox& GeoDataGeometry::latLonAltBox() const
{
    return d_ptr->m_latLonAltBox;
}

void GeoDataGeometry::pack( QDataStream& stream ) const
{
    GeoDataObject::pack( stream );

    stream << d_ptr->m_extrude;
    stream << d_ptr->m_altitudeMode;
}

void GeoDataGeometry::unpack( QDataStream& stream )
{
    detach();
    GeoDataObject::unpack( stream );

    int am;
    stream >> d_ptr->m_extrude;
    stream >> am;
    d_ptr->m_altitudeMode = (AltitudeMode) am;
}

bool GeoDataGeometry::equals(const GeoDataGeometry &other) const
{
    return GeoDataObject::equals(other) &&
           d_ptr->m_extrude == other.d_ptr->m_extrude &&
           d_ptr->m_altitudeMode == other.d_ptr->m_altitudeMode;
}

}