# File mrblib/mrb_graphviz.rb, line 88
def edge(tail, head, name: nil, **attributes)
  edge = find_or_create_edge(tail, head, name:)
  attributes.each do |name, value|
    edge.safe_update_attribute(name, value)
  end
  edge
end

For compatibility with gv gem’s edge method, but note that the name parameter is an optional keyword argument. Also note that ‘name’ is not in Graphviz edge attributes.

find_edge (tail, head, name: nil) → Graphviz::Edge or nil

Source

# File mrblib/mrb_graphviz.rb, line 168

tail and head are Graphviz::Node.

find_node (name) → Graphpviz::Node or nil

Source

# File mrblib/mrb_graphviz.rb, line 156

find_or_create_edge (tail, head, name: nil) → Graphviz::Edge

Source

# File mrblib/mrb_graphviz.rb, line 161

tail and head are Graphviz::Node.

find_or_create_node (name) → Graphviz::Node

Source

# File mrblib/mrb_graphviz.rb, line 151

find_or_create_subgraph (name) → Graphviz::Graph

Source

# File mrblib/mrb_graphviz.rb, line 175

find_subgraph (name) → Graphviz::Graph or nil

Source

# File mrblib/mrb_graphviz.rb, line 180

html

Alias for: create_html_like_string

node (name, **attributes)

Source

# File mrblib/mrb_graphviz.rb, line 75
def node(name, **attributes)
  node = find_or_create_node(name)
  attributes.each do |name, value|
    node.safe_update_attribute(name, value)
  end
  node
end

For compatibility with gv gem’s node method.

render (layout: DEFAULT_LAYOUT, format: DEFAULT_FORMAT)

Source

# File mrblib/mrb_graphviz.rb, line 134
def render(layout: DEFAULT_LAYOUT, format: DEFAULT_FORMAT)
  Graphviz::Context.new.create_layout(self, layout).dump(format).content
end

For compatibility with gv gem’s render method, but note that layout and format parameters are made clear by keyword arguments.

save (filename, layout: DEFAULT_LAYOUT, format: DEFAULT_FORMAT)

Source

# File mrblib/mrb_graphviz.rb, line 125
def save(filename, layout: DEFAULT_LAYOUT, format: DEFAULT_FORMAT)
  Graphviz::Context.new.create_layout(self, layout)
    .write(filename, format)
end

For compatibility with gv gem’s save method, but note that format and layout parameters are made clear with keyword arguments.

strict? ()

Source

# File mrblib/mrb_graphviz.rb, line 198

sub_graph (name, **attributes)

:method: sub_graph

For compatibility with gv gem.

Alias for: subgraph

subgraph (name, **attributes)

Source

# File mrblib/mrb_graphviz.rb, line 98
def subgraph(name, **attributes)
  graph = find_or_create_subgraph(name)
  attributes.each do |name, value|
    graph.safe_update_attribute(name, value)
  end
  graph
end

For compatibility with gv gem’s sub_graph method.

Also aliased as: sub_graph

undirected? ()

Source

# File mrblib/mrb_graphviz.rb, line 195