void KisMultipleProjection::syncLodCache() { QReadLocker readLocker(&m_d->lock); PlanesMap::const_iterator it = m_d->planes.constBegin(); PlanesMap::const_iterator end = m_d->planes.constEnd(); for (; it != end; ++it) { KisPaintDeviceSP device = it->device; QRegion dirtyRegion = device->syncLodCache(device->defaultBounds()->currentLevelOfDetail()); Q_UNUSED(dirtyRegion); } }