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Doc fixes in 2htdp/image

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This commit is contained in:
Asumu Takikawa 2013-08-07 17:15:48 -04:00
parent a8405eb77d
commit 495c70cb61
1 changed files with 8 additions and 7 deletions
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15
pkgs/htdp-pkgs/htdp-doc/teachpack/2htdp/scribblings/image.scrbl
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@ -1,6 +1,7 @@
#lang scribble/doc
@(require (for-label (only-in racket/contract and/c or/c any/c not/c)
@(require (for-label (only-in racket/contract and/c or/c any/c not/c listof
>=/c <=/c)
2htdp/image
(except-in lang/htdp-beginner posn make-posn posn? posn-x posn-y image?)
lang/posn
@ -57,7 +58,7 @@
for a more careful discussion of this issue.}))
@defmodule[#:require-form beginner-require 2htdp/image]
a
The image teachpack provides a number of basic image construction
functions, along with combinators for building more complex images out of
existing images. Basic images include various polygons, ellipses and
@ -504,13 +505,13 @@ They all construct a triangle oriented as follows:
}
@defproc*[([(rectangle [width real?]
[height real?]
@defproc*[([(rectangle [width (and/c real? (not/c negative?))]
[height (and/c real? (not/c negative?))]
[mode mode?]
[color image-color?])
image?]
[(rectangle [width real?]
[height real?]
[(rectangle [width (and/c real? (not/c negative?))]
[height (and/c real? (not/c negative?))]
[outline-mode (or/c 'outline "outline")]
[pen-or-color (or/c pen? image-color?)])
image?])]{
@ -1110,7 +1111,7 @@ a black outline.
@defproc[(scene+curve [scene image?]
[x1 real?] [y1 real?] [angle1 angle?] [pull1 real?]
[x2 real?] [y2 real?] [angle2 angle?] [pull2 real?]
[color image-color?])
[color (or/c pen? image-color?)])
image?]{
Adds a curve to @racket[scene], starting at the point