Esempi in C++ (Cpp) per QgsMapSettings

Esempio n. 1

File: qgspointmarkeritem.cpp Progetto: 3liz/Quantum-GIS

QgsRenderContext QgsPointMarkerItem::renderContext( QPainter* painter )
{
  QgsExpressionContext context;
  context << QgsExpressionContextUtils::globalScope()
  << QgsExpressionContextUtils::projectScope()
  << QgsExpressionContextUtils::atlasScope( nullptr );
  if ( mMapCanvas )
  {
    context << QgsExpressionContextUtils::mapSettingsScope( mMapCanvas->mapSettings() )
    << new QgsExpressionContextScope( mMapCanvas->expressionContextScope() );
  }
  else
  {
    context << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );
  }
  //context << QgsExpressionContextUtils::layerScope( mLayer );
  context.setFeature( mFeature );

  //setup render context
  QgsMapSettings ms = mMapCanvas->mapSettings();
  ms.setExpressionContext( context );
  QgsRenderContext rc = QgsRenderContext::fromMapSettings( ms );
  rc.setPainter( painter );

  return rc;
}

Esempio n. 2

QgsExpressionContext QgsGraduatedSymbolRendererWidget::createExpressionContext() const
{
  QgsExpressionContext expContext;
  expContext << QgsExpressionContextUtils::globalScope()
  << QgsExpressionContextUtils::projectScope( QgsProject::instance() )
  << QgsExpressionContextUtils::atlasScope( nullptr );

  if ( mContext.mapCanvas() )
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( mContext.mapCanvas()->mapSettings() )
    << new QgsExpressionContextScope( mContext.mapCanvas()->expressionContextScope() );
  }
  else
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );
  }

  if ( vectorLayer() )
    expContext << QgsExpressionContextUtils::layerScope( vectorLayer() );

  // additional scopes
  Q_FOREACH ( const QgsExpressionContextScope& scope, mContext.additionalExpressionContextScopes() )
  {
    expContext.appendScope( new QgsExpressionContextScope( scope ) );
  }

  return expContext;
}

Esempio n. 3

File: qgssizescalewidget.cpp Progetto: sogis/Quantum-GIS

static QgsExpressionContext _getExpressionContext( const void* context )
{
  QgsExpressionContext expContext;
  expContext << QgsExpressionContextUtils::globalScope()
  << QgsExpressionContextUtils::projectScope()
  << QgsExpressionContextUtils::atlasScope( 0 )
  //TODO - use actual map canvas settings
  << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );

  const QgsVectorLayer* layer = ( const QgsVectorLayer* ) context;
  if ( layer )
    expContext << QgsExpressionContextUtils::layerScope( layer );

  return expContext;
}

Esempio n. 4

File: qgsrulebasedlabelingwidget.cpp Progetto: boundlessgeo/QGIS

static QList<QgsExpressionContextScope *> _globalProjectAtlasMapLayerScopes( QgsMapCanvas *mapCanvas, const QgsMapLayer *layer )
{
  QList<QgsExpressionContextScope *> scopes;
  scopes << QgsExpressionContextUtils::globalScope()
         << QgsExpressionContextUtils::projectScope( QgsProject::instance() )
         << QgsExpressionContextUtils::atlasScope( nullptr );
  if ( mapCanvas )
  {
    scopes << QgsExpressionContextUtils::mapSettingsScope( mapCanvas->mapSettings() )
           << new QgsExpressionContextScope( mapCanvas->expressionContextScope() );
  }
  else
  {
    scopes << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );
  }
  scopes << QgsExpressionContextUtils::layerScope( layer );
  return scopes;
}

Esempio n. 5

File: qgssymbolwidgetcontext.cpp Progetto: wongjimsan/QGIS

QList<QgsExpressionContextScope *> QgsSymbolWidgetContext::globalProjectAtlasMapLayerScopes( const QgsMapLayer* layer ) const
{
  QList<QgsExpressionContextScope *> scopes;
  scopes << QgsExpressionContextUtils::globalScope()
  << QgsExpressionContextUtils::projectScope( QgsProject::instance() )
  << QgsExpressionContextUtils::atlasScope( nullptr );
  if ( mMapCanvas )
  {
    scopes << QgsExpressionContextUtils::mapSettingsScope( mMapCanvas->mapSettings() )
    << new QgsExpressionContextScope( mMapCanvas->expressionContextScope() );
  }
  else
  {
    scopes << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );
  }
  if ( layer )
    scopes << QgsExpressionContextUtils::layerScope( layer );
  return scopes;
}

Esempio n. 6

QgsExpressionContext QgsGraduatedSymbolRendererWidget::createExpressionContext() const
{
  QgsExpressionContext expContext;
  expContext << QgsExpressionContextUtils::globalScope()
  << QgsExpressionContextUtils::projectScope()
  << QgsExpressionContextUtils::atlasScope( nullptr );

  if ( mapCanvas() )
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( mapCanvas()->mapSettings() )
    << new QgsExpressionContextScope( mapCanvas()->expressionContextScope() );
  }
  else
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );
  }

  if ( vectorLayer() )
    expContext << QgsExpressionContextUtils::layerScope( vectorLayer() );

  return expContext;
}

Esempio n. 7

File: qgsgraduatedsymbolrendererv2widget.cpp Progetto: NyakudyaA/QGIS

static QgsExpressionContext _getExpressionContext( const void* context )
{
  const QgsGraduatedSymbolRendererV2Widget* widget = ( const QgsGraduatedSymbolRendererV2Widget* ) context;

  QgsExpressionContext expContext;
  expContext << QgsExpressionContextUtils::globalScope()
  << QgsExpressionContextUtils::projectScope()
  << QgsExpressionContextUtils::atlasScope( nullptr );

  if ( widget->mapCanvas() )
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( widget->mapCanvas()->mapSettings() )
    << new QgsExpressionContextScope( widget->mapCanvas()->expressionContextScope() );
  }
  else
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );
  }

  if ( widget->vectorLayer() )
    expContext << QgsExpressionContextUtils::layerScope( widget->vectorLayer() );

  return expContext;
}

Esempio n. 8

File: qgsheatmaprendererwidget.cpp Progetto: Antoviscomi/QGIS

static QgsExpressionContext _getExpressionContext( const void* context )
{
  const QgsHeatmapRendererWidget* widget = reinterpret_cast< const QgsHeatmapRendererWidget* >( context );

  QgsExpressionContext expContext;
  expContext << QgsExpressionContextUtils::globalScope()
  << QgsExpressionContextUtils::projectScope()
  << QgsExpressionContextUtils::atlasScope( nullptr );

  if ( widget->mapCanvas() )
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( widget->mapCanvas()->mapSettings() )
    << new QgsExpressionContextScope( widget->mapCanvas()->expressionContextScope() );
  }
  else
  {
    expContext << QgsExpressionContextUtils::mapSettingsScope( QgsMapSettings() );
  }

  if ( widget->vectorLayer() )
    expContext << QgsExpressionContextUtils::layerScope( widget->vectorLayer() );

  return expContext;
}