Method splitLineAt

src/core/objects/object.cpp:1474–1512

}

std::vector<PathObject*> PathObject::splitLineAt(const PathCoord& split_pos) const
{
	Q_ASSERT(path_parts.size() == 1);
	Q_ASSERT((symbol->getContainedTypes() & ~Symbol::Combined) == Symbol::Line);
	
	std::vector<PathObject*> objects;
	if (path_parts.size() == 1)
	{
		const auto  part_index = PathPartVector::size_type { 0 };
		const auto& part = path_parts[part_index];
		if (part.isClosed())
		{
			PathObject* obj = duplicate()->asPath();
			if ( split_pos.clen == part.path_coords.front().clen || 
			     split_pos.clen == part.path_coords.back().clen )
			{
				(obj->path_parts[part_index]).setClosed(false);
			}
			else
			{
				obj->changePathBounds(part_index, split_pos.clen, split_pos.clen);
			}
			objects.push_back(obj);
		}
		else if ( split_pos.clen != part.path_coords.front().clen &&
		          split_pos.clen != part.path_coords.back().clen)
		{
			PathObject* obj1 = duplicate()->asPath();
			obj1->changePathBounds(part_index, part.path_coords.front().clen, split_pos.clen);
			objects.push_back(obj1);
			
			PathObject* obj2 = duplicate()->asPath();
			obj2->changePathBounds(part_index, split_pos.clen, part.path_coords.back().clen);
			objects.push_back(obj2);
		}
	}
		
	return objects;
}

void PathObject::changePathBounds(
        PathPartVector::size_type part_index,