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document possibility of 'eps-bytes+bounds for file/convertible

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Robby Findler 2014-06-27 02:57:18 -05:00
parent 356196d62b
commit 0179c9a9a5
1 changed files with 11 additions and 6 deletions
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17
pkgs/racket-pkgs/racket-doc/file/scribblings/convertible.scrbl
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@ -26,6 +26,10 @@ should be considered standard:
@item{@racket['svg-bytes] --- a byte string containing a SVG image encoding}
@item{@racket['ps-bytes] --- a byte string containing a PostScript document}
@item{@racket['eps-bytes] --- a byte string containing an Encapsulated PostScript document}
@item{@racket['eps-bytes+bounds] --- a list containing a byte string and four numbers;
the byte string contains an Encapsulated PostScript document and the four numbers
are sizing information for the PostScript document, namely the width, height, ascent
and descent in that order}
@item{@racket['pdf-bytes] --- a byte string containing a PDF document}
@item{@racket['pdf-bytes+bounds] --- a list containing a byte string and four numbers;
the byte string contains a PDF document and the four numbers are sizing information
@ -53,12 +57,13 @@ Returns @racket[#t] if @racket[v] supports the conversion protocol,
[(gif-bytes png-bytes png@2x-bytes
ps-bytes eps-bytes pdf-bytes svg-bytes)
(or/c bytes? (λ (x) (eq? x default)))]
[(pdf-bytes+bounds) (or/c (list/c bytes?
(and/c real? (not/c negative?))
(and/c real? (not/c negative?))
(and/c real? (not/c negative?))
(and/c real? (not/c negative?)))
(λ (x) (eq? x default)))]
[(eps-bytes+bounds pdf-bytes+bounds)
(or/c (list/c bytes?
(and/c real? (not/c negative?))
(and/c real? (not/c negative?))
(and/c real? (not/c negative?))
(and/c real? (not/c negative?)))
(λ (x) (eq? x default)))]
[else any/c])]{
Requests a data conversion from @racket[v], where @racket[request]