Method removeFromLine

src/core/objects/object.cpp:1428–1472

}

std::vector<PathObject*> PathObject::removeFromLine(
        PathPartVector::size_type part_index,
        PathCoord::length_type removal_begin,
        PathCoord::length_type removal_end) const
{
	Q_ASSERT(path_parts.size() == 1); // TODO
	Q_ASSERT((symbol->getContainedTypes() & ~Symbol::Combined) == Symbol::Line);
	
	const PathPart& part = path_parts[part_index];
	Q_ASSERT(part.path_coords.front().clen <= removal_begin);
	Q_ASSERT(part.path_coords.front().clen <= removal_end);
	Q_ASSERT(part.path_coords.back().clen >= removal_begin);
	Q_ASSERT(part.path_coords.back().clen >= removal_end);
	
	std::vector<PathObject*> objects;
	
	if (part.path_coords.front().clen >= removal_begin
	    && part.path_coords.back().clen <= removal_end)
	{
		// nothing left, or invalid
	}
	else if (removal_end < removal_begin || part.isClosed())
	{
		PathObject* obj = duplicate()->asPath();
		obj->changePathBounds(part_index, removal_end, removal_begin);
		objects.push_back(obj);
	}
	else
	{
		if (removal_begin > part.path_coords.front().clen)
		{
			PathObject* obj = duplicate()->asPath();
			obj->changePathBounds(part_index, part.path_coords.front().clen, removal_begin);
			objects.push_back(obj);
		}
		if (removal_end < part.path_coords.back().clen)
		{
			PathObject* obj = duplicate()->asPath();
			obj->changePathBounds(part_index, removal_end, part.path_coords.back().clen);
			objects.push_back(obj);
		}
	}
	
	return objects;
}

std::vector<PathObject*> PathObject::splitLineAt(const PathCoord& split_pos) const
{