digraph G {

rankdir="BT"

node [shape=plaintext];

edge [fontsize=10 _fontcolor=darkgray]

// Inheritance

edge [label=inh arrowhead=onormal];

// Implementation

edge [label=imp weight=1000 arrowhead=onormal style=dashed];

Product -> Interface;

Factory [label=<Abstract <b>Factory</b>>]

Sample_factory -> Factory;

Proxy [label=<<b>Proxy</b>>]

{ Subject Proxy } -> Proxy_interface

Decorator [label=<<b>Decorator</b>>]

Subject_of_Decorator [label=Subject]

{ Decorator Subject_of_Decorator} -> Decorator_interface

Proxy_interface [label="Interface"]

Decorator_interface [label="Interface"]

Factory_of_prototype [label=Factory]

Interface_of_prototype [label=Interface]

Prototype -> { Factory_of_prototype Interface_of_prototype}

Prototype [label=<<b>Prototype</b>>]

Bridge_interface [label=Interface]

Bridge [label=<<b>Bridge or Adapter</b>>]

Bridge -> Bridge_interface

Observer [label=<<b>Observer</b>>]

View [label=<<b>View</b>>]

Model [label=<<b>Model</b>>]

Controller [label=<<b>Controller</b>>]

View -> Observer

Visitor [label=<<b>Abstract Visitor</b>>]

//Component [rank=min]

Sample_visitor -> Visitor

Sample_component -> Component

// Aggregation

edge [label=agg weight=1 arrowtail=odiamond dir=back style=""]

edge [label=creates dir="" arrowhead=odiamond]

Product -> Sample_factory

Prototype -> Prototype

// Dependencies

edge [label=uses weight=1 arrowhead=vee style=dashed dir="" ]

Component -> Visitor [label=accepts weight=0]

Sample_component -> Visitor [label=usage dir=both _weight=0 arrowtail=vee constraint=false]

rank = same { Sample_component Visitor }

//{Sample_visitor Sample_component } -> Client_of_Visitor [style=invis]

edge [label=uses weight=1 dir=back arrowtail=vee ]

Client_of_Decorator [label=Client]

Subject_of_Decorator -> Decorator -> Client_of_Decorator

Decorator_interface -> Client_of_Decorator

Subject_of_Decorator -> Client_of_Decorator [color=green]

Client_of_Visitor [label=Client]

Component -> Client_of_Visitor

Visitor -> Client_of_Visitor

Subject -> Proxy

Client_of_Proxy [label=Client]

Proxy -> Client_of_Proxy

Proxy_interface -> Client_of_Proxy

Model -> Controller [label=manipulates]

Interface -> Factory

Interface_of_prototype -> Factory_of_prototype

Standalone -> Bridge

Observer -> Model [label=updates]

Sample_component -> Sample_visitor [label=<<b>visits<br/>and does a work</b>> constraint=false]

edge [color=lightgray fontcolor=lightgray xweight=0 constraint=false]

Sample_visitor -> Sample_component [label="independent" constraint=false]

Subject -> Client_of_Proxy [label="no access"]

Standalone -> Bridge_interface [label="incompatible" constraint=false]

}