Art.ContextFree

Create art via context free grammar production rules.

Documentation

data Modifier

Change the style applied to all downstream terminal symbols.

Constructors

Color String

Scale Float

Move Vec

Rotate Float

data Symbol

A terminal or non-terminal symbol.

Constructors

NonTerminal (NonEmpty Production)

A non-terminal symbol.

Mod [Modifier] Symbol

Apply modifications to sub-productions.

Circle Float

Produce a circle with a radius.

Poly [Vec]

Produce a polygon by relative points. Starts and ends at (0, 0).

type Vec = (Float, Float)

A vector in 2d euclidian space.

type Production = (Float, Symbol)

A production rule, including a starting probability of generation, a list of styles to be applied to sub-grammars, and a non-empty list of symbols to produce.

interpret :: Symbol -> IO Svg

Create a drawing from a grammar. In order to get a string representation, you'll need to use one of blaze-svg's render functions, for example renderSvg.