qgstiledscenerendererregistry.cpp

Go to the documentation of this file.

/***************************************************************************
    qgstiledscenerendererregistry.cpp
    ---------------------
    begin                : August 2023
    copyright            : (C) 2023 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.                                   *
 *                                                                         *
 ***************************************************************************/
#include "qgstiledscenerendererregistry.h"
 
#include "qgstiledscenerenderer.h"
 
#include <QString>
 
using namespace Qt::StringLiterals;
 
// default renderers
#include "qgstiledscenetexturerenderer.h"
#include "qgstiledscenewireframerenderer.h"
 
QgsTiledSceneRenderer *QgsTiledSceneRendererMetadata::createRenderer( QDomElement &elem, const QgsReadWriteContext &context )
{
  return mCreateFunc ? mCreateFunc( elem, context ).release() : nullptr;
}
 
 
QgsTiledSceneRendererRegistry::QgsTiledSceneRendererRegistry()
{
  // add default renderers
  addRenderer( new QgsTiledSceneRendererMetadata( u"texture"_s, QObject::tr( "Textured" ), QgsTiledSceneTextureRenderer::create ) );
  addRenderer( new QgsTiledSceneRendererMetadata( u"wireframe"_s, QObject::tr( "Wireframe" ), QgsTiledSceneWireframeRenderer::create ) );
}
 
QgsTiledSceneRendererRegistry::~QgsTiledSceneRendererRegistry()
{
  qDeleteAll( mRenderers );
}
 
bool QgsTiledSceneRendererRegistry::addRenderer( QgsTiledSceneRendererAbstractMetadata *metadata )
{
  if ( !metadata || mRenderers.contains( metadata->name() ) )
    return false;
 
  mRenderers[metadata->name()] = metadata;
  mRenderersOrder << metadata->name();
  return true;
}
 
bool QgsTiledSceneRendererRegistry::removeRenderer( const QString &rendererName )
{
  if ( !mRenderers.contains( rendererName ) )
    return false;
 
  delete mRenderers[rendererName];
  mRenderers.remove( rendererName );
  mRenderersOrder.removeAll( rendererName );
  return true;
}
 
QgsTiledSceneRendererAbstractMetadata *QgsTiledSceneRendererRegistry::rendererMetadata( const QString &rendererName )
{
  return mRenderers.value( rendererName );
}
 
QStringList QgsTiledSceneRendererRegistry::renderersList() const
{
  QStringList renderers;
  for ( const QString &renderer : mRenderersOrder )
  {
    QgsTiledSceneRendererAbstractMetadata *r = mRenderers.value( renderer );
    if ( r )
      renderers << renderer;
  }
  return renderers;
}
 
std::unique_ptr<QgsTiledSceneRenderer> QgsTiledSceneRendererRegistry::defaultRenderer( const QgsTiledSceneLayer * )
{
  return std::make_unique<QgsTiledSceneTextureRenderer>();
}