suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add missing docs for transform' method of dc-path%'

Browse Source
This commit is contained in:
Matthew Flatt 2012-02-26 12:17:24 +00:00
parent 069e917cca
commit 40fb54248d
1 changed files with 20 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
collects/scribblings/draw/dc-path-class.scrbl
View File

@ -173,17 +173,15 @@ Extends the path's @tech{open sub-path} with a sequences of lines to
void?]{
After closing the @tech{open sub-path}, if any, starts a new
@tech{open sub-path} with the given initial point.
@tech{open sub-path} with the given initial point.}
}
@defmethod[(open?)
boolean?]{
Returns @racket[#t] if the path has an @tech{open sub-path},
@racket[#f] otherwise.
@racket[#f] otherwise.}
}
@defmethod[(rectangle [x real?]
[y real?]
@ -196,16 +194,14 @@ Closes the @tech{open sub-path}, if any, and adds a closed path that
@racket[y])} and whose dimensions are @racket[width] by
@racket[height]. (This convenience method is implemented in terms of
@method[dc-path% close], @method[dc-path% move-to], and
@method[dc-path% line-to].)
@method[dc-path% line-to].)}
}
@defmethod[(reset)
void?]{
Removes all sub-paths of the path.
Removes all sub-paths of the path.}
}
@defmethod[(reverse)
void?]{
@ -215,18 +211,16 @@ Reverses the order of all points in all sub-paths. If the path has an
and extensions to the @tech{open sub-path} build on this new ending
point. Reversing a @tech{closed sub-path} affects how it combines
with other sub-paths when determining the content of a path in
@racket['winding] mode.
@racket['winding] mode.}
}
@defmethod[(rotate [radians real?])
void?]{
Adjusts all points within the path (including all sub-paths), rotating
them @racket[radians] counter-clockwise around @math{(0, 0)}. Future
additions to the path are not rotated by this call.
additions to the path are not rotated by this call.}
}
@defmethod[(rounded-rectangle [x real?]
[y real?]
@ -248,9 +242,8 @@ If @racket[radius] is positive, the value is used as the radius of the
rectangle.
If @racket[radius] is less than @racket[-0.5] or more than half of
@racket[width] or @racket[height], @|MismatchExn|.
@racket[width] or @racket[height], @|MismatchExn|.}
}
@defmethod[(scale [x real?]
[y real?])
@ -260,9 +253,8 @@ If @racket[radius] is less than @racket[-0.5] or more than half of
(including all sub-paths), multiplying each x-coordinate by
@racket[x] and each y-coordinate by @racket[y]. Scaling by a negative
number flips the path over the corresponding axis. Future additions
to the path are not scaled by this call.
to the path are not scaled by this call.}
}
@defmethod[(text-outline [font (is-a?/c font%)]
[str string?]
@ -275,9 +267,18 @@ Closes the @tech{open sub-path}, if any, and adds a @tech{closed
sub-path} to outline @racket[str] using @racket[font]. The
top left of the text is positioned at @racket[x] and @racket[y]. The
@racket[combine?] argument enables kerning and character combinations
as for @xmethod[dc<%> draw-text].
as for @xmethod[dc<%> draw-text].}
@defmethod[(transform [m (vector/c real? real? real? real? real? real?)])
void?]{
Adjusts all points within the path (including all sub-paths) by
applying the transformation represented by @racket[m].
See @method[dc<%> get-initial-matrix] for information on the matrix as
represented by a vector @racket[m].}
}
@defmethod[(translate [x real?]
[y real?])
@ -285,7 +286,4 @@ Closes the @tech{open sub-path}, if any, and adds a @tech{closed
Adjusts all points within the path (including all sub-paths), shifting
then @racket[x] to the right and @racket[y] down. Future additions
to the path are not translated by this call.
}}
to the path are not translated by this call.}}