using Pkg
Pkg.add("TikzGraphs")

using TikzGraphs

using TikzGraphs
using Graphs
g = DiGraph(4)
add_edge!(g, 1, 2)
add_edge!(g, 2, 3)
TikzGraphs.plot(g)

add_edge!(g, 3, 4)
add_edge!(g, 1, 4)
TikzGraphs.plot(g)

t = TikzGraphs.plot(g)
using TikzPictures # this is required for saving
TikzPictures.save(PDF("graph"), t)
TikzPictures.save(SVG("graph"), t)
TikzPictures.save(TEX("graph"), t)

TikzGraphs.plot(g, ["A", "B", "C", "D"])

TikzGraphs.plot(g, ["α", "β", "γ", "δ"])

using LaTeXStrings
TikzGraphs.plot(g, [L"\int_0^\infty f(x) dx", L"\sqrt{2}", L"x^2", L"\frac{1}{2}"])

TikzGraphs.plot(g, ["α", "β", "γ", "α"])

TikzGraphs.plot(g, ["α", "β", "γ", "α"], node_style="draw, rounded corners, fill=blue!10")

TikzGraphs.plot(g, ["α", "β", "γ", "α"], node_style="draw, rounded corners, fill=blue!10", node_styles=Dict(1=>"fill=green!10",3=>"fill=yellow!10"))

TikzGraphs.plot(g, ["α", "β", "γ", "α"], edge_labels=Dict((1,2)=>"x", (1,4)=>"y"))

TikzGraphs.plot(g, ["α", "β", "γ", "α"], edge_labels=Dict((1,2)=>"x", (1,4)=>"y"), edge_style="green")

TikzGraphs.plot(g, edge_labels=Dict((1,2)=>"x", (1,4)=>"y"), edge_style="green", edge_styles=Dict((1,2)=>"blue"))

loop_g = deepcopy(g)
add_edge!(loop_g, (4,4))
TikzGraphs.plot(loop_g, edge_labels=Dict((1,2)=>"x", (1,4)=>"y", (4,4)=>"loop"), edge_styles=Dict((4,4)=>"loop right"))

TikzGraphs.plot(g, Layouts.Layered())

TikzGraphs.plot(g, Layouts.Spring())

TikzGraphs.plot(g, Layouts.Spring(randomSeed=52))

TikzGraphs.plot(g, Layouts.SimpleNecklace())

TikzGraphs.plot(g, node_style="draw", options="scale=2, font=\\huge\\sf")

TikzGraphs.plot(g, node_style="draw", graph_options="nodes={draw,circle}")