qgstiledscenelayer3drenderer.cpp

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/***************************************************************************
  qgstiledscenelayer3drenderer.cpp
  --------------------------------------
  Date                 : July 2023
  Copyright            : (C) 2023 by Martin Dobias
  Email                : wonder dot sk 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.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgstiledscenelayer3drenderer.h"
 
#include "qgstiledsceneindex.h"
#include "qgstiledscenelayer.h"
#include "qgstiledscenechunkloader_p.h"
#include "qgstiledscenelayerelevationproperties.h"
 
#include "qgs3dmapsettings.h"
 
 
QgsTiledSceneLayer3DRendererMetadata::QgsTiledSceneLayer3DRendererMetadata()
  : Qgs3DRendererAbstractMetadata( QStringLiteral( "tiledscene" ) )
{
}
 
QgsAbstract3DRenderer *QgsTiledSceneLayer3DRendererMetadata::createRenderer( QDomElement &elem, const QgsReadWriteContext &context )
{
  QgsTiledSceneLayer3DRenderer *r = new QgsTiledSceneLayer3DRenderer;
  r->readXml( elem, context );
  return r;
}
 
 
QgsTiledSceneLayer3DRenderer::QgsTiledSceneLayer3DRenderer()
{
}
 
void QgsTiledSceneLayer3DRenderer::setLayer( QgsTiledSceneLayer *layer )
{
  mLayerRef = QgsMapLayerRef( layer );
}
 
QgsTiledSceneLayer *QgsTiledSceneLayer3DRenderer::layer() const
{
  return qobject_cast<QgsTiledSceneLayer *>( mLayerRef.layer );
}
 
QgsAbstract3DRenderer *QgsTiledSceneLayer3DRenderer::clone() const
{
  QgsTiledSceneLayer3DRenderer *r = new QgsTiledSceneLayer3DRenderer;
  r->setLayer( layer() );
  return r;
}
 
Qt3DCore::QEntity *QgsTiledSceneLayer3DRenderer::createEntity( const Qgs3DMapSettings &map ) const
{
  QgsTiledSceneLayer *tsl = layer();
  if ( !tsl || !tsl->dataProvider() )
    return nullptr;
 
  QgsTiledSceneIndex index = tsl->dataProvider()->index();
 
  return new QgsTiledSceneLayerChunkedEntity( map, index,
         maximumScreenError(),
         showBoundingBoxes(),
         qgis::down_cast< const QgsTiledSceneLayerElevationProperties * >( tsl->elevationProperties() )->zScale(),
         qgis::down_cast< const QgsTiledSceneLayerElevationProperties * >( tsl->elevationProperties() )->zOffset() );
}
 
void QgsTiledSceneLayer3DRenderer::writeXml( QDomElement &elem, const QgsReadWriteContext &context ) const
{
  Q_UNUSED( context )
 
  QDomDocument doc = elem.ownerDocument();
 
  elem.setAttribute( QStringLiteral( "layer" ), mLayerRef.layerId );
  elem.setAttribute( QStringLiteral( "max-screen-error" ), maximumScreenError() );
  elem.setAttribute( QStringLiteral( "show-bounding-boxes" ), showBoundingBoxes() ? QStringLiteral( "1" ) : QStringLiteral( "0" ) );
}
 
void QgsTiledSceneLayer3DRenderer::readXml( const QDomElement &elem, const QgsReadWriteContext &context )
{
  Q_UNUSED( context )
 
  mLayerRef = QgsMapLayerRef( elem.attribute( QStringLiteral( "layer" ) ) );
 
  mShowBoundingBoxes = elem.attribute( QStringLiteral( "show-bounding-boxes" ), QStringLiteral( "0" ) ).toInt();
  mMaximumScreenError = elem.attribute( QStringLiteral( "max-screen-error" ), QStringLiteral( "16.0" ) ).toDouble();
}
 
void QgsTiledSceneLayer3DRenderer::resolveReferences( const QgsProject &project )
{
  mLayerRef.setLayer( project.mapLayer( mLayerRef.layerId ) );
}
 
double QgsTiledSceneLayer3DRenderer::maximumScreenError() const
{
  return mMaximumScreenError;
}
 
void QgsTiledSceneLayer3DRenderer::setMaximumScreenError( double error )
{
  mMaximumScreenError = error;
}
 
bool QgsTiledSceneLayer3DRenderer::showBoundingBoxes() const
{
  return mShowBoundingBoxes;
}
 
void QgsTiledSceneLayer3DRenderer::setShowBoundingBoxes( bool showBoundingBoxes )
{
  mShowBoundingBoxes = showBoundingBoxes;
}