C++ (Cpp) QgsComposition::atlasMode Examples

Example #1

File: qgscomposermapwidget.cpp Project: AnAvidDeveloper/QGIS

void QgsComposerMapWidget::updateMapForAtlas()
{
  //update map if in atlas preview mode
  QgsComposition* composition = mComposerMap->composition();
  if ( !composition )
  {
    return;
  }
  if ( composition->atlasMode() == QgsComposition::AtlasOff )
  {
    return;
  }

  //update atlas based extent for map
  QgsAtlasComposition* atlas = &composition->atlasComposition();
  atlas->prepareMap( mComposerMap );

  //redraw map
  mComposerMap->cache();
  mComposerMap->update();
}