- alterSizevoid alterSize(vec2 sz) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- fillvoid fill(vec2 pt, vec2 sz) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- placevoid place(vec2 pt, vec2 sz) 
A layout object that lineups children. You can specify Scalar.Auto at width or height to respect wantedSize. And you can also specify Scalar.None to shrink as small as possible.