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clarify text sizes

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Robby Findler 2013-11-23 11:29:00 -06:00
parent 57cf08f4bf
commit 312410eaf3
1 changed files with 6 additions and 0 deletions
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6
pkgs/htdp-pkgs/htdp-doc/teachpack/2htdp/scribblings/image.scrbl
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@ -191,6 +191,12 @@ Unlike @racket[scene+curve], if the line passes outside of @racket[image], the i
@image-examples[(text "Hello" 24 "olive")
(text "Goodbye" 36 "indigo")]
The text size is measured in pixels, not points, so passing @racket[24]
to @racket[text] should result in an image whose height is @racket[24]
(which might not be the case if the size were measured in points).
@image-examples[(image-height (text "Hello" 24 "olive"))]
}
@defproc[(text/font [string string?] [font-size (and/c integer? (<=/c 1 255))] [color image-color?]