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fix (my own) docs stupidity

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Robby Findler 2010-12-17 16:00:41 -06:00
parent b6167c23d5
commit 7a945785f3
1 changed files with 9 additions and 9 deletions
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18
collects/teachpack/2htdp/scribblings/image.scrbl
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@ -1110,15 +1110,15 @@ more expensive than with the other shapes.
}
@deftogether[(@defproc[(freeze [image image?]) image?]{}
@defproc[(freeze [width (and/c real? (not/c negative?))]
[width (and/c real? (not/c negative?))]
[image image?]) image?]{}
@defproc[(freeze [x real?]
[y real?]
[width (and/c real? (not/c negative?))]
[width (and/c real? (not/c negative?))]
[image image?]) image?]{})]{
@defproc*[([(freeze [image image?]) image?]
[(freeze [width (and/c real? (not/c negative?))]
[width (and/c real? (not/c negative?))]
[image image?]) image?]
[(freeze [x real?]
[y real?]
[width (and/c real? (not/c negative?))]
[width (and/c real? (not/c negative?))]
[image image?]) image?])]{
Freezing an image internally builds a bitmap, crops the image, draws the cropped image
into the bitmap and then
uses the bitmap to draw that image afterwards. Typically this is used as a performance