/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2023-05-15
 * Description : geolocation engine based on Marble.
 *               (c) 2007-2022 Marble Team
 *               https://invent.kde.org/education/marble/-/raw/master/data/credits_authors.html
 *
 * SPDX-FileCopyrightText: 2023-2026 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * ============================================================ */

#include "MarbleMap.h"

// C++ includes

#include <cmath>

// Qt includes

#include <QElapsedTimer>
#include <QtMath>

// Local includes

#include "FloatItemsLayer.h"
#include "FogLayer.h"
#include "FpsLayer.h"
#include "GeometryLayer.h"
#include "GroundLayer.h"
#include "MarbleSplashLayer.h"
#include "PlacemarkLayer.h"
#include "TextureLayer.h"
#include "VectorTileLayer.h"
#include "AbstractFloatItem.h"
#include "DgmlAuxillaryDictionary.h"
#include "FileManager.h"
#include "GeoDataTreeModel.h"
#include "GeoPainter.h"
#include "GeoSceneDocument.h"
#include "GeoSceneFilter.h"
#include "GeoSceneGeodata.h"
#include "GeoSceneHead.h"
#include "GeoSceneLayer.h"
#include "GeoSceneMap.h"
#include "GeoScenePalette.h"
#include "GeoSceneSettings.h"
#include "GeoSceneVector.h"
#include "GeoSceneVectorTileDataset.h"
#include "GeoSceneTextureTileDataset.h"
#include "GeoSceneZoom.h"
#include "GeoDataDocument.h"
#include "GeoDataFeature.h"
#include "GeoDataStyle.h"
#include "GeoDataStyleMap.h"
#include "LayerManager.h"
#include "MapThemeManager.h"
#include "MarbleDirs.h"
#include "MarbleModel.h"
#include "PluginManager.h"
#include "RenderPlugin.h"
#include "StyleBuilder.h"
#include "SunLocator.h"
#include "TileId.h"
#include "TileCoordsPyramid.h"
#include "TileCreator.h"
#include "TileCreatorDialog.h"
#include "TileLoader.h"
#include "ViewParams.h"
#include "ViewportParams.h"
#include "RenderState.h"
#include "digikam_debug.h"

namespace Marble
{

class Q_DECL_HIDDEN MarbleMap::CustomPaintLayer : public LayerInterface
{
public:

    explicit CustomPaintLayer(MarbleMap* map)
        : m_map(map)
    {
    }

    QStringList renderPosition() const override
    {
        return QStringList() << QString::fromUtf8("USER_TOOLS");
    }

    bool render(GeoPainter* painter, ViewportParams* viewport,
                const QString& renderPos, GeoSceneLayer* layer) override
    {
        Q_UNUSED(viewport);
        Q_UNUSED(renderPos);
        Q_UNUSED(layer);

        m_map->customPaint(painter);

        return true;
    }

    qreal zValue() const override
    {
        return 1.0e6;
    }

    RenderState renderState() const override
    {
        return RenderState(QStringLiteral("Custom Map Paint"));
    }

    QString runtimeTrace() const override
    {
        return QStringLiteral("CustomPaint");
    }

private:

    MarbleMap* const m_map = nullptr;
};

class Q_DECL_HIDDEN MarbleMapPrivate
{
    friend class MarbleWidget;

public:

    explicit MarbleMapPrivate(MarbleMap* parent, MarbleModel* model);

    void updateMapTheme();

    void updateProperty(const QString&, bool);

    void setDocument(const QString& key);

    void updateTileLevel();

    void addPlugins();

public:

    MarbleMap* const                q       = nullptr;

    // The model we are showing.
    MarbleModel* const              m_model = nullptr;
    bool                            m_modelIsOwned;

    // Parameters for the maps appearance.
    ViewParams                      m_viewParams;
    ViewportParams                  m_viewport;
    bool                            m_showFrameRate;
    bool                            m_showDebugPolygons;
    bool                            m_showDebugBatchRender;
    GeoDataRelation::RelationTypes  m_visibleRelationTypes;
    StyleBuilder                    m_styleBuilder;

    QList<RenderPlugin*>           m_renderPlugins;

    LayerManager                    m_layerManager;
    MarbleSplashLayer               m_marbleSplashLayer;
    MarbleMap::CustomPaintLayer     m_customPaintLayer;
    GeometryLayer                   m_geometryLayer;
    FloatItemsLayer                 m_floatItemsLayer;
    FogLayer                        m_fogLayer;
    GroundLayer                     m_groundLayer;
    TextureLayer                    m_textureLayer;
    PlacemarkLayer                  m_placemarkLayer;
    VectorTileLayer                 m_vectorTileLayer;

    bool                            m_isLockedToSubSolarPoint;
    bool                            m_isSubSolarPointIconVisible;
    RenderState                     m_renderState;
};

MarbleMapPrivate::MarbleMapPrivate(MarbleMap* parent, MarbleModel* model)
    : q(parent),
      m_model(model),
      m_modelIsOwned(false),
      m_viewParams(),
      m_showFrameRate(false),
      m_showDebugPolygons(false),
      m_showDebugBatchRender(false),
      m_visibleRelationTypes(GeoDataRelation::RouteFerry),
      m_styleBuilder(),
      m_layerManager(parent),
      m_customPaintLayer(parent),
      m_geometryLayer(model->treeModel(), &m_styleBuilder),
      m_floatItemsLayer(parent),
      m_textureLayer(model->downloadManager(), model->pluginManager(), model->sunLocator(), model->groundOverlayModel()),
      m_placemarkLayer(model->placemarkModel(), model->placemarkSelectionModel(), model->clock(), &m_styleBuilder),
      m_vectorTileLayer(model->downloadManager(), model->pluginManager(), model->treeModel()),
      m_isLockedToSubSolarPoint(false),
      m_isSubSolarPointIconVisible(false)
{
    m_layerManager.addLayer(&m_floatItemsLayer);
    m_layerManager.addLayer(&m_fogLayer);
    m_layerManager.addLayer(&m_groundLayer);
    m_layerManager.addLayer(&m_geometryLayer);
    m_layerManager.addLayer(&m_placemarkLayer);
    m_layerManager.addLayer(&m_customPaintLayer);

    QObject::connect(m_model, SIGNAL(themeChanged(QString)),
                     parent, SLOT(updateMapTheme()));

    QObject::connect(m_model->fileManager(), SIGNAL(fileAdded(QString)),
                     parent, SLOT(setDocument(QString)));

    QObject::connect(&m_placemarkLayer, SIGNAL(repaintNeeded()),
                     parent, SIGNAL(repaintNeeded()));

    QObject::connect(&m_layerManager, SIGNAL(pluginSettingsChanged()),
                     parent, SIGNAL(pluginSettingsChanged()));

    QObject::connect(&m_layerManager, SIGNAL(repaintNeeded(QRegion)),
                     parent, SIGNAL(repaintNeeded(QRegion)));

    QObject::connect(&m_layerManager, SIGNAL(renderPluginInitialized(RenderPlugin*)),
                     parent, SIGNAL(renderPluginInitialized(RenderPlugin*)));

    QObject::connect(&m_layerManager, SIGNAL(visibilityChanged(QString,bool)),
                     parent, SLOT(setPropertyValue(QString,bool)));

    QObject::connect(&m_geometryLayer, SIGNAL(repaintNeeded()),
                     parent, SIGNAL(repaintNeeded()));

    /*
     * Slot handleHighlight finds all placemarks
     * that contain the clicked point.
     * The placemarks under the clicked position may
     * have their styleUrl set to a style map which
     * doesn't specify any highlight styleId. Such
     * placemarks will be fletered out in GeoGraphicsScene
     * and will not be highlighted.
     */
    QObject::connect(parent, SIGNAL(highlightedPlacemarksChanged(qreal,qreal,GeoDataCoordinates::Unit)),
                     &m_geometryLayer, SLOT(handleHighlight(qreal,qreal,GeoDataCoordinates::Unit)));

    QObject::connect(&m_floatItemsLayer, SIGNAL(repaintNeeded(QRegion)),
                     parent, SIGNAL(repaintNeeded(QRegion)));

    QObject::connect(&m_floatItemsLayer, SIGNAL(renderPluginInitialized(RenderPlugin*)),
                     parent, SIGNAL(renderPluginInitialized(RenderPlugin*)));

    QObject::connect(&m_floatItemsLayer, SIGNAL(visibilityChanged(QString,bool)),
                     parent, SLOT(setPropertyValue(QString,bool)));

    QObject::connect(&m_floatItemsLayer, SIGNAL(pluginSettingsChanged()),
                     parent, SIGNAL(pluginSettingsChanged()));

    QObject::connect(&m_textureLayer, SIGNAL(tileLevelChanged(int)),
                     parent, SLOT(updateTileLevel()));

    QObject::connect(&m_vectorTileLayer, SIGNAL(tileLevelChanged(int)),
                     parent, SLOT(updateTileLevel()));

    QObject::connect(parent, SIGNAL(radiusChanged(int)),
                     parent, SLOT(updateTileLevel()));

    QObject::connect(&m_textureLayer, SIGNAL(repaintNeeded()),
                     parent, SIGNAL(repaintNeeded()));

    QObject::connect(parent, SIGNAL(visibleLatLonAltBoxChanged(GeoDataLatLonAltBox)),
                     parent, SIGNAL(repaintNeeded()));

    addPlugins();

    QObject::connect(model->pluginManager(), SIGNAL(renderPluginsChanged()),
                     parent, SLOT(addPlugins()));
}

void MarbleMapPrivate::updateProperty(const QString& name, bool show)
{
    // earth

    if      (name == QLatin1String("places"))
    {
        m_placemarkLayer.setShowPlaces(show);
    }
    else if (name == QLatin1String("cities"))
    {
        m_placemarkLayer.setShowCities(show);
    }
    else if (name == QLatin1String("terrain"))
    {
        m_placemarkLayer.setShowTerrain(show);
    }
    else if (name == QLatin1String("otherplaces"))
    {
        m_placemarkLayer.setShowOtherPlaces(show);
    }

    // other planets

    else if (name == QLatin1String("landingsites"))
    {
        m_placemarkLayer.setShowLandingSites(show);
    }
    else if (name == QLatin1String("craters"))
    {
        m_placemarkLayer.setShowCraters(show);
    }
    else if (name == QLatin1String("maria"))
    {
        m_placemarkLayer.setShowMaria(show);
    }
    else if (name == QLatin1String("relief"))
    {
        m_textureLayer.setShowRelief(show);
    }

    for (RenderPlugin* const renderPlugin : std::as_const(m_renderPlugins))
    {
        if (name == renderPlugin->nameId())
        {
            if (renderPlugin->visible() == show)
            {
                break;
            }

            renderPlugin->setVisible(show);

            break;
        }
    }
}

void MarbleMapPrivate::addPlugins()
{
    const auto plugs = m_model->pluginManager()->renderPlugins();

    for (const RenderPlugin* factory : plugs)
    {
        bool alreadyCreated = false;

        for (const RenderPlugin* existing : std::as_const(m_renderPlugins))
        {
            if (existing->nameId() == factory->nameId())
            {
                alreadyCreated = true;
                break;
            }
        }

        if (alreadyCreated)
        {
            continue;
        }

        RenderPlugin* const renderPlugin = factory->newInstance(m_model);

        Q_ASSERT(renderPlugin && "Plugin must not return null when requesting a new instance.");

        m_renderPlugins << renderPlugin;

        if (AbstractFloatItem* const floatItem = qobject_cast<AbstractFloatItem*>(renderPlugin))
        {
            m_floatItemsLayer.addFloatItem(floatItem);
        }
        else
        {
            m_layerManager.addRenderPlugin(renderPlugin);
        }
    }
}

// ----------------------------------------------------------------


MarbleMap::MarbleMap()
    : d(new MarbleMapPrivate(this, new MarbleModel(this)))
{
    // nothing to do
}

MarbleMap::MarbleMap(MarbleModel* model)
    : d(new MarbleMapPrivate(this, model))
{
    d->m_modelIsOwned = false;
}

MarbleMap::~MarbleMap()
{
    MarbleModel* model = d->m_modelIsOwned ? d->m_model : nullptr;

    d->m_layerManager.removeLayer(&d->m_customPaintLayer);
    d->m_layerManager.removeLayer(&d->m_geometryLayer);
    d->m_layerManager.removeLayer(&d->m_floatItemsLayer);
    d->m_layerManager.removeLayer(&d->m_fogLayer);
    d->m_layerManager.removeLayer(&d->m_placemarkLayer);
    d->m_layerManager.removeLayer(&d->m_textureLayer);
    d->m_layerManager.removeLayer(&d->m_groundLayer);
    qDeleteAll(d->m_renderPlugins);
    delete d;

    delete model;  // delete the model after private data
}

MarbleModel* MarbleMap::model() const
{
    return d->m_model;
}

ViewportParams* MarbleMap::viewport()
{
    return &d->m_viewport;
}

const ViewportParams* MarbleMap::viewport() const
{
    return &d->m_viewport;
}

void MarbleMap::setMapQualityForViewContext(MapQuality quality, ViewContext viewContext)
{
    d->m_viewParams.setMapQualityForViewContext(quality, viewContext);

    // Update texture map during the repaint that follows:

    d->m_textureLayer.setNeedsUpdate();
}

MapQuality MarbleMap::mapQuality(ViewContext viewContext) const
{
    return d->m_viewParams.mapQuality(viewContext);
}

MapQuality MarbleMap::mapQuality() const
{
    return d->m_viewParams.mapQuality();
}

void MarbleMap::setViewContext(ViewContext viewContext)
{
    if (d->m_viewParams.viewContext() == viewContext)
    {
        return;
    }

    const MapQuality oldQuality = d->m_viewParams.mapQuality();
    d->m_viewParams.setViewContext(viewContext);

    Q_EMIT viewContextChanged(viewContext);

    if (d->m_viewParams.mapQuality() != oldQuality)
    {
        // Update texture map during the repaint that follows:

        d->m_textureLayer.setNeedsUpdate();

        Q_EMIT repaintNeeded();
    }
}

ViewContext MarbleMap::viewContext() const
{
    return d->m_viewParams.viewContext();
}

void MarbleMap::setSize(int width, int height)
{
    setSize(QSize(width, height));
}

void MarbleMap::setSize(const QSize& size)
{
    d->m_viewport.setSize(size);

    Q_EMIT visibleLatLonAltBoxChanged(d->m_viewport.viewLatLonAltBox());
}

QSize MarbleMap::size() const
{
    return QSize(d->m_viewport.width(), d->m_viewport.height());
}

int  MarbleMap::width() const
{
    return d->m_viewport.width();
}

int  MarbleMap::height() const
{
    return d->m_viewport.height();
}

int MarbleMap::radius() const
{
    return d->m_viewport.radius();
}

void MarbleMap::setRadius(int radius)
{
    const int oldRadius = d->m_viewport.radius();

    d->m_viewport.setRadius(radius);

    if (oldRadius != d->m_viewport.radius())
    {
        Q_EMIT radiusChanged(radius);
        Q_EMIT visibleLatLonAltBoxChanged(d->m_viewport.viewLatLonAltBox());
    }
}

int MarbleMap::preferredRadiusCeil(int radius) const
{
    return d->m_textureLayer.preferredRadiusCeil(radius);
}

int MarbleMap::preferredRadiusFloor(int radius) const
{
    return d->m_textureLayer.preferredRadiusFloor(radius);
}

int MarbleMap::tileZoomLevel() const
{
    auto const tileZoomLevel = qMax(d->m_textureLayer.tileZoomLevel(), d->m_vectorTileLayer.tileZoomLevel());
    return tileZoomLevel >= 0 ? tileZoomLevel : qMin<int>(qMax<int>(qLn(d->m_viewport.radius() * 4 / 256) / qLn(2.0), 1), d->m_styleBuilder.maximumZoomLevel());
}

qreal MarbleMap::centerLatitude() const
{
    // Calculate translation of center point

    const qreal centerLat = d->m_viewport.centerLatitude();

    return (centerLat * RAD2DEG);
}

bool MarbleMap::hasFeatureAt(const QPoint& position) const
{
    return d->m_placemarkLayer.hasPlacemarkAt(position) || d->m_geometryLayer.hasFeatureAt(position, viewport());
}

qreal MarbleMap::centerLongitude() const
{
    // Calculate translation of center point

    const qreal centerLon = d->m_viewport.centerLongitude();

    return (centerLon * RAD2DEG);
}

int  MarbleMap::minimumZoom() const
{
    if (d->m_model->mapTheme())
    {
        return d->m_model->mapTheme()->head()->zoom()->minimum();
    }

    return 950;
}

int  MarbleMap::maximumZoom() const
{
    if (d->m_model->mapTheme())
    {
        return d->m_model->mapTheme()->head()->zoom()->maximum();
    }

    return 2100;
}

bool MarbleMap::discreteZoom() const
{
    if (d->m_model->mapTheme())
    {
        return d->m_model->mapTheme()->head()->zoom()->discrete();
    }

    return false;
}

QVector<const GeoDataFeature*> MarbleMap::whichFeatureAt(const QPoint& curpos) const
{
    return d->m_placemarkLayer.whichPlacemarkAt(curpos) + d->m_geometryLayer.whichFeatureAt(curpos, viewport());
}

void MarbleMap::reload()
{
    d->m_textureLayer.reload();
    d->m_vectorTileLayer.reload();
}

void MarbleMap::downloadRegion(QVector<TileCoordsPyramid> const& pyramid)
{
    Q_ASSERT(textureLayer());
    Q_ASSERT(!pyramid.isEmpty());

    QElapsedTimer t;
    t.start();

    // When downloading a region (the author of these lines thinks) most users probably expect
    // the download to begin with the low resolution tiles and then proceed level-wise to
    // higher resolution tiles. In order to achieve this, we start requesting downloads of
    // high resolution tiles and request the low resolution tiles at the end because
    // DownloadQueueSet (silly name) is implemented as stack.

    int const first = 0;
    int tilesCount  = 0;

    for (int level = pyramid[first].bottomLevel() ; level >= pyramid[first].topLevel() ; --level)
    {
        QSet<TileId> tileIdSet;

        for (int i = 0 ; i < pyramid.size() ; ++i)
        {
            QRect const coords = pyramid[i].coords(level);
            qCDebug(DIGIKAM_GEOENGINE_LOG) << "MarbleMap::downloadRegion level:" << level << "tile coords:" << coords;
            int x1, y1, x2, y2;
            coords.getCoords(&x1, &y1, &x2, &y2);

            for (int x = x1 ; x <= x2 ; ++x)
            {
                for (int y = y1 ; y <= y2 ; ++y)
                {
                    TileId const stackedTileId(0, level, x, y);
                    tileIdSet.insert(stackedTileId);

                    // FIXME: use lazy evaluation to not generate up to 100k tiles in one go
                    // this can take considerable time even on very fast systems
                    // in contrast generating the TileIds on the fly when they are needed
                    // does not seem to affect download speed.
                }
            }
        }

        QSetIterator<TileId> i(tileIdSet);

        while (i.hasNext())
        {
            TileId const tileId = i.next();
            d->m_textureLayer.downloadStackedTile(tileId);
            d->m_vectorTileLayer.downloadTile(tileId);
            qCDebug(DIGIKAM_GEOENGINE_LOG) << "TileDownload" << tileId;
        }

        tilesCount += tileIdSet.count();
    }

    // Needed for downloading unique tiles only. Much faster than if tiles for each level is downloaded separately

    int const elapsedMs = t.elapsed();
    qCDebug(DIGIKAM_GEOENGINE_LOG) << "MarbleMap::downloadRegion:" << tilesCount << "tiles, " << elapsedMs << "ms";
}

void MarbleMap::highlightRouteRelation(qint64 osmId, bool enabled)
{
    d->m_geometryLayer.highlightRouteRelation(osmId, enabled);
}

bool MarbleMap::propertyValue(const QString& name) const
{
    bool value;

    if (d->m_model->mapTheme())
    {
        d->m_model->mapTheme()->settings()->propertyValue(name, value);
    }

    else
    {
        value = false;
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "WARNING: Failed to access a map theme! Property: " << name;
    }

    return value;
}

bool MarbleMap::showOverviewMap() const
{
    return propertyValue(QStringLiteral("overviewmap"));
}

bool MarbleMap::showScaleBar() const
{
    return propertyValue(QStringLiteral("scalebar"));
}

bool MarbleMap::showCompass() const
{
    return propertyValue(QStringLiteral("compass"));
}

bool MarbleMap::showGrid() const
{
    return propertyValue(QStringLiteral("coordinate-grid"));
}

bool MarbleMap::showClouds() const
{
    return d->m_viewParams.showClouds();
}

bool MarbleMap::showSunShading() const
{
    return d->m_textureLayer.showSunShading();
}

bool MarbleMap::showCityLights() const
{
    return d->m_textureLayer.showCityLights();
}

bool MarbleMap::isLockedToSubSolarPoint() const
{
    return d->m_isLockedToSubSolarPoint;
}

bool MarbleMap::isSubSolarPointIconVisible() const
{
    return d->m_isSubSolarPointIconVisible;
}

bool MarbleMap::showAtmosphere() const
{
    return d->m_viewParams.showAtmosphere();
}

bool MarbleMap::showCrosshairs() const
{
    bool visible = false;

    QList<RenderPlugin*> pluginList = renderPlugins();
    QList<RenderPlugin*>::const_iterator i = pluginList.constBegin();
    QList<RenderPlugin*>::const_iterator const end = pluginList.constEnd();

    for ( ; i != end ; ++i)
    {
        if ((*i)->nameId() == QLatin1String("crosshairs"))
        {
            visible = (*i)->visible();
        }
    }

    return visible;
}

bool MarbleMap::showPlaces() const
{
    return propertyValue(QStringLiteral("places"));
}

bool MarbleMap::showCities() const
{
    return propertyValue(QStringLiteral("cities"));
}

bool MarbleMap::showTerrain() const
{
    return propertyValue(QStringLiteral("terrain"));
}

bool MarbleMap::showOtherPlaces() const
{
    return propertyValue(QStringLiteral("otherplaces"));
}

bool MarbleMap::showRelief() const
{
    return propertyValue(QStringLiteral("relief"));
}

bool MarbleMap::showIceLayer() const
{
    return propertyValue(QStringLiteral("ice"));
}

bool MarbleMap::showBorders() const
{
    return propertyValue(QStringLiteral("borders"));
}

bool MarbleMap::showRivers() const
{
    return propertyValue(QStringLiteral("rivers"));
}

bool MarbleMap::showLakes() const
{
    return propertyValue(QStringLiteral("lakes"));
}

bool MarbleMap::showFrameRate() const
{
    return d->m_showFrameRate;
}

bool MarbleMap::showBackground() const
{
    return d->m_layerManager.showBackground();
}

GeoDataRelation::RelationTypes MarbleMap::visibleRelationTypes() const
{
    return d->m_visibleRelationTypes;
}

quint64 MarbleMap::volatileTileCacheLimit() const
{
    return d->m_textureLayer.volatileCacheLimit();
}

void MarbleMap::rotateBy(qreal deltaLon, qreal deltaLat)
{
    centerOn(d->m_viewport.centerLongitude() * RAD2DEG + deltaLon,
             d->m_viewport.centerLatitude()  * RAD2DEG + deltaLat);
}

void MarbleMap::centerOn(const qreal lon, const qreal lat)
{
    d->m_viewport.centerOn(lon * DEG2RAD, lat * DEG2RAD);

    Q_EMIT visibleLatLonAltBoxChanged(d->m_viewport.viewLatLonAltBox());
}

void MarbleMap::setCenterLatitude(qreal lat)
{
    centerOn(centerLongitude(), lat);
}

void MarbleMap::setCenterLongitude(qreal lon)
{
    centerOn(lon, centerLatitude());
}

Projection MarbleMap::projection() const
{
    return d->m_viewport.projection();
}

void MarbleMap::setProjection(Projection projection)
{
    if (d->m_viewport.projection() == projection)
    {
        return;
    }

    Q_EMIT projectionChanged(projection);

    d->m_viewport.setProjection(projection);

    d->m_textureLayer.setProjection(projection);

    Q_EMIT visibleLatLonAltBoxChanged(d->m_viewport.viewLatLonAltBox());
}

bool MarbleMap::screenCoordinates(qreal lon, qreal lat,
                                  qreal& x, qreal& y) const
{
    return d->m_viewport.screenCoordinates(lon * DEG2RAD, lat * DEG2RAD, x, y);
}

bool MarbleMap::geoCoordinates(int x, int y,
                               qreal& lon, qreal& lat,
                               GeoDataCoordinates::Unit unit) const
{
    return d->m_viewport.geoCoordinates(x, y, lon, lat, unit);
}

void MarbleMapPrivate::setDocument(const QString& key)
{
    if (!m_model->mapTheme())
    {
        // Happens if no valid map theme is set or at application startup
        // if a file is passed via command line parameters and the last
        // map theme has not been loaded yet

        /**
         * @todo Do we need to queue the document and process it once a map
         * theme becomes available?
         */

        return;
    }

    GeoDataDocument* doc = m_model->fileManager()->at(key);

    const auto layers = m_model->mapTheme()->map()->layers();

    for (const GeoSceneLayer* layer : layers)
    {
        if (
            (layer->backend() != QString::fromUtf8(dgml::dgmlValue_geodata)) &&
            (layer->backend() != QString::fromUtf8(dgml::dgmlValue_vector))
           )
        {
            continue;
        }

        // look for documents

        const auto dts = layer->datasets();

        for (const GeoSceneAbstractDataset* dataset : dts)
        {
            const GeoSceneGeodata* data = static_cast<const GeoSceneGeodata*>(dataset);
            QString containername       = data->sourceFile();
            QString colorize            = data->colorize();

            if (key == containername)
            {
                if (colorize == QLatin1String("land"))
                {
                    m_textureLayer.addLandDocument(doc);
                }

                if (colorize == QLatin1String("sea"))
                {
                    m_textureLayer.addSeaDocument(doc);
                }

                // set visibility according to theme property

                if (!data->property().isEmpty())
                {
                    bool value;
                    m_model->mapTheme()->settings()->propertyValue(data->property(), value);
                    doc->setVisible(value);
                    m_model->treeModel()->updateFeature(doc);
                }
            }
        }
    }
}

void MarbleMapPrivate::updateTileLevel()
{
    auto const tileZoomLevel = q->tileZoomLevel();
    m_geometryLayer.setTileLevel(tileZoomLevel);
    m_placemarkLayer.setTileLevel(tileZoomLevel);

    Q_EMIT q->tileLevelChanged(tileZoomLevel);
}

// Used to be paintEvent()

void MarbleMap::paint(GeoPainter& painter, const QRect& dirtyRect)
{
    Q_UNUSED(dirtyRect);

    if (d->m_showDebugPolygons)
    {
        if (viewContext() == Animation)
        {
            painter.setDebugPolygonsLevel(1);
        }

        else
        {
            painter.setDebugPolygonsLevel(2);
        }
    }

    painter.setDebugBatchRender(d->m_showDebugBatchRender);

    if (!d->m_model->mapTheme())
    {
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "No theme yet!";
        d->m_marbleSplashLayer.render(&painter, &d->m_viewport);
        return;
    }

    QElapsedTimer t;
    t.start();

    RenderStatus const oldRenderStatus = d->m_renderState.status();
    d->m_layerManager.renderLayers(&painter, &d->m_viewport);
    d->m_renderState = d->m_layerManager.renderState();
    bool const parsing = d->m_model->fileManager()->pendingFiles() > 0;
    d->m_renderState.addChild(RenderState(QStringLiteral("Files"), parsing ? WaitingForData : Complete));
    RenderStatus const newRenderStatus = d->m_renderState.status();

    if (oldRenderStatus != newRenderStatus)
    {
        Q_EMIT renderStatusChanged(newRenderStatus);
    }

    Q_EMIT renderStateChanged(d->m_renderState);

    if (d->m_showFrameRate)
    {
        FpsLayer fpsPainter(&t);
        fpsPainter.paint(&painter);
    }

    const qreal fps = 1000.0 / (qreal)(t.elapsed());

    Q_EMIT framesPerSecond(fps);
}

void MarbleMap::customPaint(GeoPainter* painter)
{
    Q_UNUSED(painter);
}

QString MarbleMap::mapThemeId() const
{
    return d->m_model->mapThemeId();
}

void MarbleMap::setMapThemeId(const QString& mapThemeId)
{
    d->m_model->setMapThemeId(mapThemeId);
}

void MarbleMapPrivate::updateMapTheme()
{
    m_layerManager.removeLayer(&m_textureLayer);

    // FIXME Find a better way to do this reset. Maybe connect to themeChanged SIGNAL?

    m_vectorTileLayer.reset();
    m_layerManager.removeLayer(&m_vectorTileLayer);
    m_layerManager.removeLayer(&m_groundLayer);

    QObject::connect(m_model->mapTheme()->settings(), SIGNAL(valueChanged(QString,bool)),
                     q, SLOT(updateProperty(QString,bool)));

    QObject::connect(m_model->mapTheme()->settings(), SIGNAL(valueChanged(QString,bool)),
                     m_model, SLOT(updateProperty(QString,bool)));

    q->setPropertyValue(QStringLiteral("clouds_data"), m_viewParams.showClouds());

    QColor backgroundColor = m_styleBuilder.effectColor(m_model->mapTheme()->map()->backgroundColor());
    m_groundLayer.setColor(backgroundColor);

    // Check whether there is a texture layer and vectortile layer available:

    if (m_model->mapTheme()->map()->hasTextureLayers())
    {
        const GeoSceneSettings* const settings             = m_model->mapTheme()->settings();
        const GeoSceneGroup* const textureLayerSettings    = settings ? settings->group(QString::fromUtf8("Texture Layers")) : nullptr;
        const GeoSceneGroup* const vectorTileLayerSettings = settings ? settings->group(QString::fromUtf8("VectorTile Layers")) : nullptr;
        bool textureLayersOk                               = true;
        bool vectorTileLayersOk                            = true;

        // textures will contain texture layers and
        // vectorTiles vectortile layers

        QVector<const GeoSceneTextureTileDataset*> textures;
        QVector<const GeoSceneVectorTileDataset*> vectorTiles;
        const auto lys = m_model->mapTheme()->map()->layers();

        for (GeoSceneLayer* const layer : lys)
        {
            if      (layer->backend() == QString::fromUtf8(dgml::dgmlValue_texture))
            {
                const auto poss = layer->datasets();

                for (const GeoSceneAbstractDataset* pos : poss)
                {
                    const GeoSceneTextureTileDataset* const texture = dynamic_cast<GeoSceneTextureTileDataset const*>(pos);

                    if (!texture)
                    {
                        continue;
                    }

                    const QString sourceDir  = texture->sourceDir();
                    const QString installMap = texture->installMap();
                    const QString role       = layer->role();

                    // If the tiles aren't already there, put up a progress dialog
                    // while creating them.

                    if (
                        !TileLoader::baseTilesAvailable(*texture) &&
                        !installMap.isEmpty()
                       )
                    {
                        qCDebug(DIGIKAM_GEOENGINE_LOG) << "Base tiles not available. Creating Tiles ... \n"
                                                    << "SourceDir: " << sourceDir << "InstallMap:" << installMap;

                        TileCreator* tileCreator = new TileCreator(
                            sourceDir,
                            installMap,
                            (role == QLatin1String("dem")) ? QString::fromUtf8("true") : QString::fromUtf8("false"));
                        tileCreator->setTileFormat(texture->fileFormat().toLower());

                        QPointer<TileCreatorDialog> tileCreatorDlg = new TileCreatorDialog(tileCreator, nullptr);
                        tileCreatorDlg->setSummary(m_model->mapTheme()->head()->name(),
                                                   m_model->mapTheme()->head()->description());
                        tileCreatorDlg->exec();

                        if (TileLoader::baseTilesAvailable(*texture))
                        {
                            qCDebug(DIGIKAM_GEOENGINE_LOG) << "Base tiles for" << sourceDir << "successfully created.";
                        }

                        else
                        {
                            qCWarning(DIGIKAM_GEOENGINE_LOG) << "Some or all base tiles for" << sourceDir << "could not be created.";
                        }

                        delete tileCreatorDlg;
                    }

                    if (TileLoader::baseTilesAvailable(*texture))
                    {
                        textures.append(texture);
                    }
                    else
                    {
                        qCWarning(DIGIKAM_GEOENGINE_LOG) << "Base tiles for" << sourceDir << "not available. Skipping all texture layers.";
                        textureLayersOk = false;
                    }
                }
            }
            else if (layer->backend() == QString::fromUtf8(dgml::dgmlValue_vectortile))
            {
                const auto gpos = layer->datasets();

                for (const GeoSceneAbstractDataset* pos : gpos)
                {
                    const GeoSceneVectorTileDataset* const vectorTile = dynamic_cast<GeoSceneVectorTileDataset const*>(pos);

                    if (!vectorTile)
                    {
                        continue;
                    }

                    const QString sourceDir  = vectorTile->sourceDir();
                    const QString installMap = vectorTile->installMap();
                    const QString role       = layer->role();

                    // If the tiles aren't already there, put up a progress dialog
                    // while creating them.

                    if (
                        !TileLoader::baseTilesAvailable(*vectorTile) &&
                        !installMap.isEmpty()
                       )
                    {
                        qCDebug(DIGIKAM_GEOENGINE_LOG) << "Base tiles not available. Creating Tiles ... \n"
                                                    << "SourceDir: " << sourceDir << "InstallMap:" << installMap;

                        TileCreator* tileCreator = new TileCreator(
                            sourceDir,
                            installMap,
                            (role == QLatin1String("dem")) ? QString::fromUtf8("true") : QString::fromUtf8("false"));
                        tileCreator->setTileFormat(vectorTile->fileFormat().toLower());

                        QPointer<TileCreatorDialog> tileCreatorDlg = new TileCreatorDialog(tileCreator, nullptr);
                        tileCreatorDlg->setSummary(m_model->mapTheme()->head()->name(),
                                                   m_model->mapTheme()->head()->description());
                        tileCreatorDlg->exec();

                        if (TileLoader::baseTilesAvailable(*vectorTile))
                        {
                            qCDebug(DIGIKAM_GEOENGINE_LOG) << "Base tiles for" << sourceDir << "successfully created.";
                        }
                        else
                        {
                            qCDebug(DIGIKAM_GEOENGINE_LOG) << "Some or all base tiles for" << sourceDir << "could not be created.";
                        }

                        delete tileCreatorDlg;
                    }

                    if (TileLoader::baseTilesAvailable(*vectorTile))
                    {
                        vectorTiles.append(vectorTile);
                    }
                    else
                    {
                        qCWarning(DIGIKAM_GEOENGINE_LOG) << "Base tiles for" << sourceDir << "not available. Skipping all texture layers.";
                        vectorTileLayersOk = false;
                    }
                }
            }
        }

        QString seafile, landfile;

        if (!m_model->mapTheme()->map()->filters().isEmpty())
        {
            const GeoSceneFilter* filter = m_model->mapTheme()->map()->filters().first();

            if (filter->type() == QLatin1String("colorize"))
            {
                // no need to look up with MarbleDirs twice so they are left null for now

                QList<const GeoScenePalette*> palette = filter->palette();

                for (const GeoScenePalette* curPalette : std::as_const(palette))
                {
                    if (curPalette->type() == QLatin1String("sea"))
                    {
                        seafile = MarbleDirs::path(curPalette->file());
                    }
                    else if (curPalette->type() == QLatin1String("land"))
                    {
                        landfile = MarbleDirs::path(curPalette->file());
                    }
                }

                // look up locations if they are empty

                if (seafile.isEmpty())
                {
                    seafile = MarbleDirs::path(QStringLiteral("seacolors.leg"));
                }

                if (landfile.isEmpty())
                {
                    landfile = MarbleDirs::path(QStringLiteral("landcolors.leg"));
                }
            }
        }

        m_textureLayer.setMapTheme(textures, textureLayerSettings, seafile, landfile);
        m_textureLayer.setProjection(m_viewport.projection());
        m_textureLayer.setShowRelief(q->showRelief());

        m_vectorTileLayer.setMapTheme(vectorTiles, vectorTileLayerSettings);

        if (m_textureLayer.layerCount() == 0)
        {
            m_layerManager.addLayer(&m_groundLayer);
        }

        if (textureLayersOk)
        {
            m_layerManager.addLayer(&m_textureLayer);
        }

        if (vectorTileLayersOk && !vectorTiles.isEmpty())
        {
            m_layerManager.addLayer(&m_vectorTileLayer);
        }
    }
    else
    {
        m_layerManager.addLayer(&m_groundLayer);
        m_textureLayer.setMapTheme(QVector<const GeoSceneTextureTileDataset*>(), nullptr, QString::fromUtf8(""), QString::fromUtf8(""));
        m_vectorTileLayer.setMapTheme(QVector<const GeoSceneVectorTileDataset*>(), nullptr);
    }

    // earth

    m_placemarkLayer.setShowPlaces(q->showPlaces());

    m_placemarkLayer.setShowCities(q->showCities());
    m_placemarkLayer.setShowTerrain(q->showTerrain());
    m_placemarkLayer.setShowOtherPlaces(q->showOtherPlaces());
    m_placemarkLayer.setShowLandingSites(q->propertyValue(QStringLiteral("landingsites")));
    m_placemarkLayer.setShowCraters(q->propertyValue(QStringLiteral("craters")));
    m_placemarkLayer.setShowMaria(q->propertyValue(QStringLiteral("maria")));

    m_styleBuilder.setDefaultLabelColor(m_model->mapTheme()->map()->labelColor());
    m_placemarkLayer.requestStyleReset();

    for (RenderPlugin* const renderPlugin : std::as_const(m_renderPlugins))
    {
        bool propertyAvailable = false;
        m_model->mapTheme()->settings()->propertyAvailable(renderPlugin->nameId(), propertyAvailable);
        bool propertyValue     = false;
        m_model->mapTheme()->settings()->propertyValue(renderPlugin->nameId(), propertyValue);

        if (propertyAvailable)
        {
            renderPlugin->setVisible(propertyValue);
        }
    }

    Q_EMIT q->themeChanged(m_model->mapTheme()->head()->mapThemeId());
}

void MarbleMap::setPropertyValue(const QString& name, bool value)
{
    qCDebug(DIGIKAM_GEOENGINE_LOG) << "In MarbleMap the property " << name << "was set to " << value;

    if (d->m_model->mapTheme())
    {
        d->m_model->mapTheme()->settings()->setPropertyValue(name, value);
        d->m_textureLayer.setNeedsUpdate();

        Q_EMIT propertyValueChanged(name, value);
    }
    else
    {
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "WARNING: Failed to access a map theme! Property: " << name;
    }

    if (d->m_textureLayer.layerCount() == 0)
    {
        d->m_layerManager.addLayer(&d->m_groundLayer);
    }
    else
    {
        d->m_layerManager.removeLayer(&d->m_groundLayer);
    }
}

void MarbleMap::setShowOverviewMap(bool visible)
{
    setPropertyValue(QStringLiteral("overviewmap"), visible);
}

void MarbleMap::setShowScaleBar(bool visible)
{
    setPropertyValue(QStringLiteral("scalebar"), visible);
}

void MarbleMap::setShowCompass(bool visible)
{
    setPropertyValue(QStringLiteral("compass"), visible);
}

void MarbleMap::setShowAtmosphere(bool visible)
{
    const auto plugs = renderPlugins();

    for (RenderPlugin* const plugin : plugs)
    {
        if (plugin->nameId() == QLatin1String("atmosphere"))
        {
            plugin->setVisible(visible);
        }
    }

    d->m_viewParams.setShowAtmosphere(visible);
}

void MarbleMap::setShowCrosshairs(bool visible)
{
    QList<RenderPlugin*> pluginList                = renderPlugins();
    QList<RenderPlugin*>::const_iterator i         = pluginList.constBegin();
    QList<RenderPlugin*>::const_iterator const end = pluginList.constEnd();

    for ( ; i != end ; ++i)
    {
        if ((*i)->nameId() == QLatin1String("crosshairs"))
        {
            (*i)->setVisible(visible);
        }
    }
}

void MarbleMap::setShowClouds(bool visible)
{
    d->m_viewParams.setShowClouds(visible);

    setPropertyValue(QStringLiteral("clouds_data"), visible);
}

void MarbleMap::setShowSunShading(bool visible)
{
    d->m_textureLayer.setShowSunShading(visible);
}

void MarbleMap::setShowCityLights(bool visible)
{
    d->m_textureLayer.setShowCityLights(visible);
    setPropertyValue(QStringLiteral("citylights"), visible);
}

void MarbleMap::setLockToSubSolarPoint(bool visible)
{
    disconnect(d->m_model->sunLocator(), SIGNAL(positionChanged(qreal,qreal)),
               this, SLOT(centerOn(qreal,qreal)));

    if (isLockedToSubSolarPoint() != visible)
    {
        d->m_isLockedToSubSolarPoint = visible;
    }

    if      (isLockedToSubSolarPoint())
    {
        connect(d->m_model->sunLocator(), SIGNAL(positionChanged(qreal,qreal)),
                this, SLOT(centerOn(qreal,qreal)));

        centerOn(d->m_model->sunLocator()->getLon(), d->m_model->sunLocator()->getLat());
    }
    else if (visible)
    {
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "Ignoring centering on sun, since the sun plugin is not loaded.";
    }
}

void MarbleMap::setSubSolarPointIconVisible(bool visible)
{
    if (isSubSolarPointIconVisible() != visible)
    {
        d->m_isSubSolarPointIconVisible = visible;
    }
}

void MarbleMap::setShowTileId(bool visible)
{
    d->m_textureLayer.setShowTileId(visible);
}

void MarbleMap::setShowGrid(bool visible)
{
    setPropertyValue(QStringLiteral("coordinate-grid"), visible);
}

void MarbleMap::setShowPlaces(bool visible)
{
    setPropertyValue(QStringLiteral("places"), visible);
}

void MarbleMap::setShowCities(bool visible)
{
    setPropertyValue(QStringLiteral("cities"), visible);
}

void MarbleMap::setShowTerrain(bool visible)
{
    setPropertyValue(QStringLiteral("terrain"), visible);
}

void MarbleMap::setShowOtherPlaces(bool visible)
{
    setPropertyValue(QStringLiteral("otherplaces"), visible);
}

void MarbleMap::setShowRelief(bool visible)
{
    setPropertyValue(QStringLiteral("relief"), visible);
}

void MarbleMap::setShowIceLayer(bool visible)
{
    setPropertyValue(QStringLiteral("ice"), visible);
}

void MarbleMap::setShowBorders(bool visible)
{
    setPropertyValue(QStringLiteral("borders"), visible);
}

void MarbleMap::setShowRivers(bool visible)
{
    setPropertyValue(QStringLiteral("rivers"), visible);
}

void MarbleMap::setShowLakes(bool visible)
{
    setPropertyValue(QStringLiteral("lakes"), visible);
}

void MarbleMap::setShowFrameRate(bool visible)
{
    d->m_showFrameRate = visible;
}

void MarbleMap::setShowRuntimeTrace(bool visible)
{
    if (visible != d->m_layerManager.showRuntimeTrace())
    {
        d->m_layerManager.setShowRuntimeTrace(visible);

        Q_EMIT repaintNeeded();
    }
}

bool MarbleMap::showRuntimeTrace() const
{
    return d->m_layerManager.showRuntimeTrace();
}

void MarbleMap::setShowDebugPolygons(bool visible)
{
    if (visible != d->m_showDebugPolygons)
    {
        d->m_showDebugPolygons = visible;

        Q_EMIT repaintNeeded();
    }
}

bool MarbleMap::showDebugPolygons() const
{
    return d->m_showDebugPolygons;
}

void MarbleMap::setShowDebugBatchRender(bool visible)
{
    qCDebug(DIGIKAM_GEOENGINE_LOG) << Q_FUNC_INFO << visible;

    if (visible != d->m_showDebugBatchRender)
    {
        d->m_showDebugBatchRender = visible;

        Q_EMIT repaintNeeded();
    }
}

bool MarbleMap::showDebugBatchRender() const
{
    return d->m_showDebugBatchRender;
}

void MarbleMap::setShowDebugPlacemarks(bool visible)
{
    if (visible != d->m_placemarkLayer.isDebugModeEnabled())
    {
        d->m_placemarkLayer.setDebugModeEnabled(visible);

        Q_EMIT repaintNeeded();
    }
}

bool MarbleMap::showDebugPlacemarks() const
{
    return d->m_placemarkLayer.isDebugModeEnabled();
}

void MarbleMap::setLevelTagDebugModeEnabled(bool visible)
{
    if (visible != d->m_geometryLayer.levelTagDebugModeEnabled())
    {
        d->m_geometryLayer.setLevelTagDebugModeEnabled(visible);
        d->m_placemarkLayer.setLevelTagDebugModeEnabled(visible);

        Q_EMIT repaintNeeded();
    }
}

bool MarbleMap::levelTagDebugModeEnabled() const
{
    return d->m_geometryLayer.levelTagDebugModeEnabled() &&
           d->m_placemarkLayer.levelTagDebugModeEnabled();
}

void MarbleMap::setDebugLevelTag(int level)
{
    d->m_geometryLayer.setDebugLevelTag(level);
    d->m_placemarkLayer.setDebugLevelTag(level);
}

int MarbleMap::debugLevelTag() const
{
    return d->m_geometryLayer.debugLevelTag();
}

void MarbleMap::setShowBackground(bool visible)
{
    d->m_layerManager.setShowBackground(visible);
}

void MarbleMap::setVisibleRelationTypes(GeoDataRelation::RelationTypes relationTypes)
{
    if (d->m_visibleRelationTypes != relationTypes)
    {
        d->m_visibleRelationTypes = relationTypes;
        d->m_geometryLayer.setVisibleRelationTypes(relationTypes);

        Q_EMIT visibleRelationTypesChanged(d->m_visibleRelationTypes);
    }
}

void MarbleMap::notifyMouseClick(int x, int y)
{
    qreal  lon   = 0;
    qreal  lat   = 0;

    const bool valid = geoCoordinates(x, y, lon, lat, GeoDataCoordinates::Radian);

    if (valid)
    {
        Q_EMIT mouseClickGeoPosition(lon, lat, GeoDataCoordinates::Radian);
    }
}

void MarbleMap::clearVolatileTileCache()
{
    d->m_vectorTileLayer.reset();
    d->m_textureLayer.reset();

    qCDebug(DIGIKAM_GEOENGINE_LOG) << "Cleared Volatile Cache!";
}

void MarbleMap::setVolatileTileCacheLimit(quint64 kilobytes)
{
    qCDebug(DIGIKAM_GEOENGINE_LOG) << "kiloBytes" << kilobytes;
    d->m_textureLayer.setVolatileCacheLimit(kilobytes);
}

AngleUnit MarbleMap::defaultAngleUnit() const
{
    if      (GeoDataCoordinates::defaultNotation() == GeoDataCoordinates::Decimal)
    {
        return DecimalDegree;
    }
    else if (GeoDataCoordinates::defaultNotation() == GeoDataCoordinates::UTM)
    {
        return UTM;
    }

    return DMSDegree;
}

void MarbleMap::setDefaultAngleUnit(AngleUnit angleUnit)
{
    if      (angleUnit == DecimalDegree)
    {
        GeoDataCoordinates::setDefaultNotation(GeoDataCoordinates::Decimal);
        return;
    }
    else if (angleUnit == UTM)
    {
        GeoDataCoordinates::setDefaultNotation(GeoDataCoordinates::UTM);
        return;
    }

    GeoDataCoordinates::setDefaultNotation(GeoDataCoordinates::DMS);
}

QFont MarbleMap::defaultFont() const
{
    return d->m_styleBuilder.defaultFont();
}

void MarbleMap::setDefaultFont(const QFont& font)
{
    d->m_styleBuilder.setDefaultFont(font);
    d->m_placemarkLayer.requestStyleReset();
}

QList<RenderPlugin*> MarbleMap::renderPlugins() const
{
    return d->m_renderPlugins;
}

QList<AbstractFloatItem*> MarbleMap::floatItems() const
{
    return d->m_floatItemsLayer.floatItems();
}

AbstractFloatItem* MarbleMap::floatItem(const QString& nameId) const
{
    const auto fitems = floatItems();

    for (AbstractFloatItem* floatItem : fitems)
    {
        if (floatItem && floatItem->nameId() == nameId)
        {
            return floatItem;
        }
    }

    return nullptr; // No item found
}

QList<AbstractDataPlugin*> MarbleMap::dataPlugins()  const
{
    return d->m_layerManager.dataPlugins();
}

QList<AbstractDataPluginItem*> MarbleMap::whichItemAt(const QPoint& curpos) const
{
    return d->m_layerManager.whichItemAt(curpos);
}

void MarbleMap::addLayer(LayerInterface* layer)
{
    d->m_layerManager.addLayer(layer);
}

void MarbleMap::removeLayer(LayerInterface* layer)
{
    d->m_layerManager.removeLayer(layer);
}

RenderStatus MarbleMap::renderStatus() const
{
    return d->m_layerManager.renderState().status();
}

RenderState MarbleMap::renderState() const
{
    return d->m_layerManager.renderState();
}

QString MarbleMap::addTextureLayer(GeoSceneTextureTileDataset* texture)
{
    return textureLayer()->addTextureLayer(texture);
}

void  MarbleMap::removeTextureLayer(const QString& key)
{
    textureLayer()->removeTextureLayer(key);
}

// this method will only temporarily "pollute" the MarbleModel class

TextureLayer* MarbleMap::textureLayer() const
{
    return &d->m_textureLayer;
}

VectorTileLayer* MarbleMap::vectorTileLayer() const
{
    return &d->m_vectorTileLayer;
}

const StyleBuilder* MarbleMap::styleBuilder() const
{
    return &d->m_styleBuilder;
}

qreal MarbleMap::heading() const
{
    return d->m_viewport.heading() * RAD2DEG;
}

void MarbleMap::setHeading(qreal heading)
{
    d->m_viewport.setHeading(heading * DEG2RAD);
    d->m_textureLayer.setNeedsUpdate();

    Q_EMIT visibleLatLonAltBoxChanged(d->m_viewport.viewLatLonAltBox());
}

} // namespace Marble

#include "moc_MarbleMap.cpp"
