C++ PathObject::closeAllParts方法代码示例

void Importer::doImport(bool load_symbols_only, const QString& map_path)
{
	import(load_symbols_only);
	
	// Object post processing:
	// - make sure that there is no object without symbol
	// - make sure that all area-only path objects are closed
	// - make sure that there are no special points in wrong places (e.g. curve starts inside curves)
	for (int p = 0; p < map->getNumParts(); ++p)
	{
		MapPart* part = map->getPart(p);
		for (int o = 0; o < part->getNumObjects(); ++o)
		{
			Object* object = part->getObject(o);
			if (object->getSymbol() == NULL)
			{
				addWarning(Importer::tr("Found an object without symbol."));
				if (object->getType() == Object::Point)
					object->setSymbol(map->getUndefinedPoint(), true);
				else if (object->getType() == Object::Path)
					object->setSymbol(map->getUndefinedLine(), true);
				else
				{
					// There is no undefined symbol for this type of object, delete the object
					part->deleteObject(o, false);
					--o;
					continue;
				}
			}
			
			if (object->getType() == Object::Path)
			{
				PathObject* path = object->asPath();
				Symbol::Type contained_types = path->getSymbol()->getContainedTypes();
				if (contained_types & Symbol::Area && !(contained_types & Symbol::Line))
					path->closeAllParts();
				
				for (MapCoordVector::size_type i = 0; i < path->getCoordinateCount(); ++i)
				{
					if (path->getCoordinate(i).isCurveStart())
					{
						if (i+3 >= path->getCoordinateCount())
						{
							path->getCoordinate(i).setCurveStart(false);
							continue;
						}
						
						if (path->getCoordinate(i + 1).isClosePoint() || path->getCoordinate(i + 1).isHolePoint() ||
						    path->getCoordinate(i + 2).isClosePoint() || path->getCoordinate(i + 2).isHolePoint())
						{
							path->getCoordinate(i).setCurveStart(false);
							continue;
						}
						
						path->getCoordinate(i + 1).setCurveStart(false);
						path->getCoordinate(i + 1).setDashPoint(false);
						path->getCoordinate(i + 2).setCurveStart(false);
						path->getCoordinate(i + 2).setDashPoint(false);
						i += 2;
					}
					
					if (i > 0 && path->getCoordinate(i).isHolePoint())
					{
						if (path->getCoordinate(i-1).isHolePoint())
							path->deleteCoordinate(i, false);
					}
				}
			}
		}
	}
	
	// Symbol post processing
	for (int i = 0; i < map->getNumSymbols(); ++i)
	{
		if (!map->getSymbol(i)->loadFinished(map))
			throw FileFormatException(Importer::tr("Error during symbol post-processing."));
	}
	
	// Template loading: try to find all template files
	bool have_lost_template = false;
	for (int i = 0; i < map->getNumTemplates(); ++i)
	{
		Template* temp = map->getTemplate(i);
		
		bool loaded_from_template_dir = false;
		temp->tryToFindAndReloadTemplateFile(map_path, &loaded_from_template_dir);
		if (loaded_from_template_dir)
			addWarning(Importer::tr("Template \"%1\" has been loaded from the map's directory instead of the relative location to the map file where it was previously.").arg(temp->getTemplateFilename()));
		
		if (temp->getTemplateState() != Template::Loaded)
			have_lost_template = true;
	}
	if (have_lost_template)
	{
#if defined(Q_OS_ANDROID)
		addWarning(tr("At least one template file could not be found."));
#else
		addWarning(tr("At least one template file could not be found.") + " " +
		           tr("Click the red template name(s) in the Templates -> Template setup window to locate the template file name(s)."));
#endif
//.........这里部分代码省略.........

bool TemplateTrack::import(QWidget* dialog_parent)
{
	if (track.getNumWaypoints() == 0 && track.getNumSegments() == 0)
	{
		QMessageBox::critical(dialog_parent, tr("Error"), tr("The path is empty, there is nothing to import!"));
		return false;
	}
	
	const Track::ElementTags& tags = track.tags();
	DeleteObjectsUndoStep* undo_step = new DeleteObjectsUndoStep(map);
	MapPart* part = map->getCurrentPart();
	std::vector< Object* > result;
	
	map->clearObjectSelection(false);
	
	if (track.getNumWaypoints() > 0)
	{
		int res = QMessageBox::question(dialog_parent, tr("Question"), tr("Should the waypoints be imported as a line going through all points?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
		if (res == QMessageBox::No)
		{
			for (int i = 0; i < track.getNumWaypoints(); i++)
				result.push_back(importWaypoint(templateToMap(track.getWaypoint(i).map_coord), track.getWaypointName(i)));
		}
		else
		{
			PathObject* path = importPathStart();
			for (int i = 0; i < track.getNumWaypoints(); i++)
				path->addCoordinate(MapCoord(templateToMap(track.getWaypoint(i).map_coord)));
			importPathEnd(path);
			path->setTag(QStringLiteral("name"), QString{});
			result.push_back(path);
		}
	}
	
	int skipped_paths = 0;
	for (int i = 0; i < track.getNumSegments(); i++)
	{
		const int segment_size = track.getSegmentPointCount(i);
		if (segment_size == 0)
		{
			++skipped_paths;
			continue; // Don't create path without objects.
		}
		
		PathObject* path = importPathStart();
		QString name = track.getSegmentName(i);
		if (!tags[name].isEmpty())
		{
			path->setTags(tags[name]);
		}
		else
		{
			path->setTag(QStringLiteral("name"), name);
		}
		
		for (int j = 0; j < segment_size; j++)
		{
			const TrackPoint& track_point = track.getSegmentPoint(i, j);
			auto coord = MapCoord { templateToMap(track_point.map_coord) };
			if (track_point.is_curve_start && j < segment_size - 3)
				coord.setCurveStart(true);
			path->addCoordinate(coord);
		}
		if (track.getSegmentPoint(i, 0).gps_coord == track.getSegmentPoint(i, segment_size-1).gps_coord)
		{
			path->closeAllParts();
		}
		importPathEnd(path);
		result.push_back(path);
	}
	
	for (int i = 0; i < (int)result.size(); ++i) // keep as separate loop to get the correct (final) indices
		undo_step->addObject(part->findObjectIndex(result[i]));
	
	map->setObjectsDirty();
	map->push(undo_step);
	
	map->emitSelectionChanged();
	map->emitSelectionEdited();		// TODO: is this necessary here?
	
	if (skipped_paths)
	{
		QMessageBox::information(
		  dialog_parent,
		  tr("Import problems"),
		  tr("%n path object(s) could not be imported (reason: missing coordinates).", "", skipped_paths) );
	}
	
	return true;
}