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forgot to update part of the docs

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svn: r17644
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Robby Findler 2010-01-14 01:20:50 +00:00
parent 96c717473a
commit 246bd182df
1 changed files with 7 additions and 6 deletions
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collects/teachpack/2htdp/scribblings/image.scrbl
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@ -313,7 +313,7 @@ Unlike @scheme[scene+curve], if the line passes outside of @scheme[image], the i
@defproc[(overlay [i1 image?] [i2 image?] [is image?] ...) image?]{
Overlays all of its arguments building a single image. The first argument goes
on top of the second argument, which goes on top of the third argument, etc.
The images are all lined up on their upper-left corners.
The images are all lined up on their centers.
@image-examples[(overlay (rectangle 30 60 "solid" "orange")
(ellipse 60 30 "solid" "purple"))
@ -378,7 +378,7 @@ Unlike @scheme[scene+curve], if the line passes outside of @scheme[image], the i
It behaves like @scheme[overlay], but with the arguments in the reverse order.
That is, the first argument goes
underneath of the second argument, which goes underneath the third argument, etc.
The images are all lined up on their upper-left corners.
The images are all lined up on their centers.
@image-examples[(underlay (rectangle 30 60 "solid" "orange")
(ellipse 60 30 "solid" "purple"))
@ -438,7 +438,7 @@ Unlike @scheme[scene+curve], if the line passes outside of @scheme[image], the i
@defproc[(beside [i1 image?] [i2 image?] [is image?] ...) image?]{
Constructs an image by placing all of the argument images in a
horizontal row, aligned along their top edges.
horizontal row, aligned along their centers.
@image-examples[(beside (ellipse 20 70 "solid" "gray")
(ellipse 20 50 "solid" "darkgray")
@ -476,7 +476,7 @@ Unlike @scheme[scene+curve], if the line passes outside of @scheme[image], the i
@defproc[(above [i1 image?] [i2 image?] [is image?] ...) image?]{
Constructs an image by placing all of the argument images in a
vertical row, aligned along their left edges.
vertical row, aligned along their centers.
@image-examples[(above (ellipse 70 20 "solid" "gray")
(ellipse 50 20 "solid" "darkgray")
@ -514,9 +514,10 @@ and universes using @scheme[2htdp/universe].
@defproc[(place-image [image image?] [x real?] [y real?] [scene image?]) image?]{
Places @scheme[image] onto @scheme[scene] with its upper left corner at the coordinates
Places @scheme[image] onto @scheme[scene] with its center at the coordinates
(@scheme[x],@scheme[y]) and crops the resulting image so that it has the
same size as @scheme[scene].
same size as @scheme[scene]. The coordinates are relative to the top-left
of @scheme[scene].
@image-examples[(place-image
(triangle 32 "solid" "red")