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pict: improve docs for scale

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Closes PR 14562
This commit is contained in:
Matthew Flatt 2014-06-12 07:31:37 +01:00
parent dad3c3008d
commit cef5b2cf07
1 changed files with 9 additions and 3 deletions
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12
pkgs/pict-pkgs/pict-doc/pict/scribblings/pict.scrbl
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@ -702,9 +702,14 @@ horizontal or vertical placement of each cell in the column or row.
@defproc*[([(scale [pict pict?] [factor real?]) pict?]
[(scale [pict pict?] [w-factor real?] [h-factor real?]) pict?])]{
Scales a pict drawing, as well as its @tech{bounding box}. The drawing
is scaled by adjusting the destination @racket[dc<%>]'s scale while
drawing the original @racket[pict].}
Scales a pict drawing, as well as its @tech{bounding box}, by multiplying
it current size by @racket[factor] (if two arguments are supplied)
or by multiplying the current width by @racket[w-factor] and current height by
@racket[h-factor] (if three arguments are supplied).
The drawing is scaled by adjusting the destination @racket[dc<%>]'s
scale while drawing the original @racket[pict].}
@defproc*[([(scale-to-fit [pict pict?] [size-pict pict?]) pict?]
[(scale-to-fit [pict pict?] [width real?] [height real?]) pict?])]{
@ -719,6 +724,7 @@ drawing the original @racket[pict].}
both.
}
@defproc[(rotate [pict pict?] [theta real?]) pict?]{
Rotates a pict's drawing by @racket[theta] radians counter-clockwise.