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Mocking up the image library so the repl can be run under textual environments.

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This commit is contained in:
Danny Yoo 2013-03-05 16:38:29 -07:00
parent 511c3a0c20
commit 48b1ca271d
1 changed files with 83 additions and 19 deletions
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102
whalesong/image/private/racket-impl.rkt
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@ -1,7 +1,6 @@
#lang s-exp "../../lang/base.rkt"
(require 2htdp/image
(for-syntax racket/base))
(require (for-syntax racket/base))
(provide text
text/font
@ -51,9 +50,6 @@
y-place?
angle?
side-count?
image-color?
image?
;; Something funky is happening on the Racket side of things with regards
;; to step-count? See: http://bugs.racket-lang.org/query/?cmd=view&pr=12031
@ -62,14 +58,20 @@
bitmap/url
name->color
step-count?
image-url
open-image-url
color-list->bitmap
)
(provide (rename-out (my-color-list->bitmap color-list->bitmap)))
;(provide (rename-out (my-color-list->bitmap color-list->bitmap)))
(define (my-color-list->bitmap x w h)
(color-list->bitmap x w h))
(set! my-color-list->bitmap my-color-list->bitmap)
;(define (my-color-list->bitmap x w h)
; (color-list->bitmap x w h))
;(set! my-color-list->bitmap my-color-list->bitmap)
(define-syntax (define-stubs stx)
@ -77,29 +79,91 @@
[(_ f ...)
(syntax/loc stx
(begin
(define f (lambda args (error 'f))) ...))]))
(begin (define f (lambda args (error 'f "stub definition")))
(set! f f))
...))]))
(define-stubs color-list->image)
(define-stubs
text
text/font
overlay
overlay/xy
overlay/align
underlay
underlay/xy
underlay/align
beside
beside/align
above
above/align
empty-scene
place-image
place-image/align
rotate
scale
scale/xy
flip-horizontal
flip-vertical
frame
crop
line
add-line
scene+line
circle
square
rectangle
regular-polygon
ellipse
triangle
right-triangle
isosceles-triangle
star
radial-star
star-polygon
rhombus
image->color-list
color-list->image
image-width
image-height
image-baseline
image-color?
mode?
x-place?
y-place?
angle?
side-count?
image?
;; Something funky is happening on the Racket side of things with regards
;; to step-count? See: http://bugs.racket-lang.org/query/?cmd=view&pr=12031
;; step-count?
bitmap/url
name->color
step-count?
image-url
open-image-url
color-list->bitmap
)
(define (my-step-count? x)
(and (integer? x)
(>= x 1)))
;(define (my-step-count? x)
; (and (integer? x)
; (>= x 1)))
(define image-url (procedure-rename bitmap/url 'image-url))
(define open-image-url (procedure-rename bitmap/url 'open-image-url))
;(define image-url (procedure-rename bitmap/url 'image-url))
;(define open-image-url (procedure-rename bitmap/url 'open-image-url))
(define (name->color n)
#;(define (name->color n)
(error 'name->color "not implemented yet"))
(provide (rename-out [my-step-count? step-count?]
#;(provide (rename-out [my-step-count? step-count?]
[bitmap/url image-url]
[bitmap/url open-image-url]))
[bitmap/url open-image-url]))