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#lang racket/base
(require racket/contract
racket/draw
racket/class)
(provide
(except-out
(all-defined-out)
maybe-function/c
maybe-apply
plot-colors/c
pen-widths/c
plot-pen-styles/c
plot-brush-styles/c
alphas/c
labels/c)
(contract-out
[maybe-function/c (-> contract? contract? contract?)]
[maybe-apply (-> (maybe-function/c any/c any/c) any/c any/c)]
[plot-colors/c (-> contract? contract?)]
[pen-widths/c (-> contract? contract?)]
[plot-pen-styles/c (-> contract? contract?)]
[plot-brush-styles/c (-> contract? contract?)]
[alphas/c (-> contract? contract?)]
[labels/c (-> contract? contract?)])
(rename-out [natural-number/c nat/c])
font-family/c
treeof)
;; ===================================================================================================
;; Plot-specific contracts
(define anchor/c (one-of/c 'top-left 'top 'top-right
'left 'center 'right
'bottom-left 'bottom 'bottom-right))
(define legend-anchor/c (or/c anchor/c
(one-of/c
'no-legend
'outside-global-top
'outside-top-left 'outside-top 'outside-top-right
'outside-left-top 'outside-left 'outside-left-bottom
'outside-right-top 'outside-right 'outside-right-bottom
'outside-bottom-left 'outside-bottom 'outside-bottom-right)))
(define color/c (or/c (list/c real? real? real?)
string? symbol?
(is-a?/c color%)))
(define plot-color/c (or/c exact-integer? color/c))
(define plot-pen-style/c (or/c exact-integer?
(one-of/c 'transparent 'solid 'dot 'long-dash
'short-dash 'dot-dash)))
(define plot-brush-style/c (or/c exact-integer?
(one-of/c 'transparent 'solid
'bdiagonal-hatch 'fdiagonal-hatch 'crossdiag-hatch
'horizontal-hatch 'vertical-hatch 'cross-hatch)))
(define plot-file-format/c
(or/c 'auto 'png 'jpeg 'xmb 'xpm 'bmp 'ps 'pdf 'svg))
(module typed-defs typed/racket/base
(require "type-doc.rkt")
(provide (all-defined-out))
(defthing known-point-symbols (Listof Symbol) #:document-value
(list 'dot 'point 'pixel
'plus 'times 'asterisk
'5asterisk 'odot 'oplus
'otimes 'oasterisk 'o5asterisk
'circle 'square 'diamond
'triangle 'fullcircle 'fullsquare
'fulldiamond 'fulltriangle 'triangleup
'triangledown 'triangleleft 'triangleright
'fulltriangleup 'fulltriangledown 'fulltriangleleft
'fulltriangleright 'rightarrow 'leftarrow
'uparrow 'downarrow '4star
'5star '6star '7star
'8star 'full4star 'full5star
'full6star 'full7star 'full8star
'circle1 'circle2 'circle3
'circle4 'circle5 'circle6
'circle7 'circle8 'bullet
'fullcircle1 'fullcircle2 'fullcircle3
'fullcircle4 'fullcircle5 'fullcircle6
'fullcircle7 'fullcircle8)))
(require (submod "." typed-defs))
(provide (all-from-out 'typed-defs))
(define point-sym/c (or/c char? string? integer? (apply one-of/c known-point-symbols)))
(define (maybe-function/c in-contract out-contract)
(or/c out-contract (in-contract . -> . out-contract)))
(define (maybe-apply f arg)
(cond [(procedure? f) (f arg)]
[else f]))
(define (plot-colors/c in-contract)
(maybe-function/c in-contract (listof plot-color/c)))
(define (pen-widths/c in-contract)
(maybe-function/c in-contract (listof (>=/c 0))))
(define (plot-pen-styles/c in-contract)
(maybe-function/c in-contract (listof plot-pen-style/c)))
(define (plot-brush-styles/c in-contract)
(maybe-function/c in-contract (listof plot-brush-style/c)))
(define (alphas/c in-contract)
(maybe-function/c in-contract (listof (real-in 0 1))))
(define (labels/c in-contract)
(maybe-function/c in-contract (listof (or/c string? #f))))
(define (treeof elem-contract)
(or/c elem-contract
(listof (recursive-contract (treeof elem-contract) #:flat))))
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