File indexing completed on 2025-01-05 03:59:18

 // SPDX-License-Identifier: LGPL-2.1-or-later
 //
 // SPDX-FileCopyrightText: 2008 Torsten Rahn <tackat@kde.org>
 // SPDX-FileCopyrightText: 2009 Jens-Michael Hoffmann <jensmh@gmx.de>
 // SPDX-FileCopyrightText: 2011, 2012 Bernahrd Beschow <bbeschow@cs.tu-berlin.de>
 //
 
 
 // Own
 #include "LayerManager.h"
 
 #include <QElapsedTimer>
 
 // Local dir
 #include "AbstractDataPlugin.h"
 #include "AbstractDataPluginItem.h"
 #include "GeoPainter.h"
 #include "RenderPlugin.h"
 #include "LayerInterface.h"
 #include "RenderState.h"
 
 #include "digikam_debug.h"
 
 namespace Marble
 {
 
 class Q_DECL_HIDDEN LayerManager::Private
 {
  public:
     Private(LayerManager *parent);
     ~Private();
 
     void updateVisibility( bool visible, const QString &nameId );
 
     LayerManager *const q;
 
     QList<RenderPlugin *> m_renderPlugins;
     QList<AbstractDataPlugin *> m_dataPlugins;
     QList<LayerInterface *> m_internalLayers;
 
     RenderState m_renderState;
 
     bool m_showBackground;
     bool m_showRuntimeTrace;
 };
 
 LayerManager::Private::Private(LayerManager *parent) :
     q(parent),
     m_renderPlugins(),
     m_showBackground(true),
     m_showRuntimeTrace(false)
 {
 }
 
 LayerManager::Private::~Private()
 {
 }
 
 void LayerManager::Private::updateVisibility( bool visible, const QString &nameId )
 {
     Q_EMIT q->visibilityChanged( nameId, visible );
 }
 
 
 LayerManager::LayerManager(QObject *parent) :
     QObject(parent),
     d(new Private(this))
 {
 }
 
 LayerManager::~LayerManager()
 {
     delete d;
 }
 
 bool LayerManager::showBackground() const
 {
     return d->m_showBackground;
 }
 
 bool LayerManager::showRuntimeTrace() const
 {
     return d->m_showRuntimeTrace;
 }
 
 void LayerManager::addRenderPlugin(RenderPlugin *renderPlugin)
 {
     d->m_renderPlugins.append(renderPlugin);
 
     QObject::connect(renderPlugin, SIGNAL(settingsChanged(QString)),
                      this, SIGNAL(pluginSettingsChanged()));
     QObject::connect(renderPlugin, SIGNAL(repaintNeeded(QRegion)),
                      this, SIGNAL(repaintNeeded(QRegion)));
     QObject::connect(renderPlugin, SIGNAL(visibilityChanged(bool,QString)),
                      this, SLOT(updateVisibility(bool,QString)));
 
     // get data plugins
     AbstractDataPlugin *const dataPlugin = qobject_cast<AbstractDataPlugin *>(renderPlugin);
     if(dataPlugin) {
         d->m_dataPlugins.append(dataPlugin);
     }
 }
 
 QList<AbstractDataPlugin *> LayerManager::dataPlugins() const
 {
     return d->m_dataPlugins;
 }
 
 QList<AbstractDataPluginItem *> LayerManager::whichItemAt( const QPoint& curpos ) const
 {
     QList<AbstractDataPluginItem *> itemList;
 
     for( auto *plugin: d->m_dataPlugins ) {
         itemList.append( plugin->whichItemAt( curpos ) );
     }
     return itemList;
 }
 
 void LayerManager::renderLayers( GeoPainter *painter, ViewportParams *viewport )
 {
     d->m_renderState = RenderState(QStringLiteral("Marble"));
     QElapsedTimer totalTime;
     totalTime.start();
 
     QStringList renderPositions;
 
     if ( d->m_showBackground ) {
         renderPositions
         << QStringLiteral("STARS")
         << QStringLiteral("BEHIND_TARGET");
     }
 
     renderPositions
         << QStringLiteral("SURFACE")
         << QStringLiteral("HOVERS_ABOVE_SURFACE")
         << QStringLiteral("GRATICULE")
         << QStringLiteral("PLACEMARKS")
         << QStringLiteral("ATMOSPHERE")
         << QStringLiteral("ORBIT")
         << QStringLiteral("ALWAYS_ON_TOP")
         << QStringLiteral("FLOAT_ITEM")
         << QStringLiteral("USER_TOOLS");
 
     QStringList traceList;
     for( const auto& renderPosition: renderPositions ) {
         QList<LayerInterface*> layers;
 
         // collect all RenderPlugins of current renderPosition
         for( auto *renderPlugin: d->m_renderPlugins ) {
             if ( renderPlugin && renderPlugin->renderPosition().contains( renderPosition ) ) {
                 if ( renderPlugin->enabled() && renderPlugin->visible() ) {
                     if ( !renderPlugin->isInitialized() ) {
                         renderPlugin->initialize();
                         Q_EMIT renderPluginInitialized( renderPlugin );
                     }
                     layers.push_back( renderPlugin );
                 }
             }
         }
 
         // collect all internal LayerInterfaces of current renderPosition
         for( auto *layer: d->m_internalLayers ) {
             if ( layer && layer->renderPosition().contains( renderPosition ) ) {
                 layers.push_back( layer );
             }
         }
 
         // sort them according to their zValue()s
         std::sort( layers.begin(), layers.end(), [] ( const LayerInterface * const one, const LayerInterface * const two ) -> bool {
             Q_ASSERT( one && two );
             return one->zValue() < two->zValue();
         } );
 
         // render the layers of the current renderPosition
         QElapsedTimer timer;
         for( auto *layer: layers ) {
             timer.start();
             layer->render( painter, viewport, renderPosition, nullptr );
             d->m_renderState.addChild( layer->renderState() );
             traceList.append( QString::fromUtf8("%2 ms %3").arg( timer.elapsed(),3 ).arg( layer->runtimeTrace() ) );
         }
     }
 
     if ( d->m_showRuntimeTrace ) {
         const int totalElapsed = totalTime.elapsed();
         const int fps = 1000.0/totalElapsed;
         traceList.append( QString::fromUtf8( "Total: %1 ms (%2 fps)" ).arg( totalElapsed, 3 ).arg( fps ) );
 
         painter->save();
         painter->setBackgroundMode( Qt::OpaqueMode );
         painter->setBackground( Qt::gray );
         painter->setFont( QFont( QStringLiteral("Sans Serif"), 10, QFont::Bold ) );
 
         int i=0;
         int const top = 150;
         int const lineHeight = painter->fontMetrics().height();
         for ( const auto &text: traceList ) {
             painter->setPen( Qt::black );
             painter->drawText( QPoint(10,top+1+lineHeight*i), text );
             painter->setPen( Qt::white );
             painter->drawText( QPoint(9,top+lineHeight*i), text );
             ++i;
         }
         painter->restore();
     }
 }
 
 void LayerManager::setShowBackground( bool show )
 {
     d->m_showBackground = show;
 }
 
 void LayerManager::setShowRuntimeTrace( bool show )
 {
     d->m_showRuntimeTrace = show;
 }
 
 void LayerManager::addLayer(LayerInterface *layer)
 {
     if (!d->m_internalLayers.contains(layer)) {
         d->m_internalLayers.push_back(layer);
     }
 }
 
 void LayerManager::removeLayer(LayerInterface *layer)
 {
     d->m_internalLayers.removeAll(layer);
 }
 
 QList<LayerInterface *> LayerManager::internalLayers() const
 {
     return d->m_internalLayers;
 }
 
 RenderState LayerManager::renderState() const
 {
     return d->m_renderState;
 }
 
 }
 
 #include "moc_LayerManager.cpp"