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Add examples for the rest of built-in pict constructors

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This commit is contained in:
Asumu Takikawa 2012-11-05 18:30:14 -05:00
parent 14d8c8b5a5
commit 5f74f120c8
1 changed files with 101 additions and 27 deletions
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128
collects/scribblings/slideshow/picts.scrbl
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@ -1,12 +1,13 @@
#lang scribble/doc
@(require "ss.rkt" "pict-diagram.rkt"
scribble/eval
slideshow/face slideshow/pict
(for-label racket/gui slideshow/code slideshow/flash slideshow/face
slideshow/balloon slideshow/pict-convert))
@(define ss-eval (make-base-eval))
@(ss-eval '(require slideshow/pict racket/math racket/class racket/draw
racket/list))
racket/list slideshow/balloon slideshow/flash))
@title[#:style 'toc]{Making Pictures}
@ -883,7 +884,12 @@ pict with the same shape and location.}
[color (or/c string? (is-a?/c color%)) "gray"])
pict?]{
Creates a fluffy cloud.}
Creates a fluffy cloud.
@examples[#:eval ss-eval
(cloud 100 75)
(cloud 100 75 "lavenderblush")
]}
@defproc[(file-icon [w real?]
[h real?]
@ -894,7 +900,12 @@ Creates a fluffy cloud.}
Creates a Mac-like file icon, optionally shaded. If @racket[color] is
not a string or @racket[color%] object, it is treated as a boolean, in
which case true means @racket["gray"] and false means
@racket["white"].}
@racket["white"].
@examples[#:eval ss-eval
(file-icon 50 60 "bisque")
(file-icon 50 60 "honeydew" #t)
]}
@defproc[(standard-fish [w real?]
[h real?]
@ -910,7 +921,14 @@ If @racket[eye-color] is @racket[#f], no eye is drawn.
The @racket[open-mouth] argument can be either @racket[#f] (mouth
closed), @racket[#t] (mouth fully open), or a number: @racket[0.0] is
closed, @racket[1.0] is fully open, and numbers in between are
partially open.}
partially open.
@examples[#:eval ss-eval
(standard-fish 100 50)
(standard-fish 100 50 #:direction 'right #:color "chocolate")
(standard-fish 100 50 #:eye-color "saddlebrown" #:color "salmon")
(standard-fish 100 50 #:open-mouth #t #:color "olive")
]}
@defproc[(jack-o-lantern [size real?]
[pumpkin-color (or/c string? (is-a?/c color%)) "orange"]
@ -918,7 +936,12 @@ partially open.}
pict?]{
Creates a jack-o-lantern; use the same pumpkin and face color to get a
plain pumpkin. The @racket[size] determines the width.}
plain pumpkin. The @racket[size] determines the width.
@examples[#:eval ss-eval
(jack-o-lantern 100)
(jack-o-lantern 100 "cadet blue" "khaki")
]}
@defproc[(angel-wing [w real?]
[h real?]
@ -926,7 +949,12 @@ plain pumpkin. The @racket[size] determines the width.}
pict?]{
Creates an angel wing, left or right, or any size. The color and pen
width for drawing the wing outline is the current one.}
width for drawing the wing outline is the current one.
@examples[#:eval ss-eval
(angel-wing 100 40 #f)
(angel-wing 100 40 #t)
]}
@defproc[(desktop-machine [scale real?]
[style (listof symbol?) null])
@ -946,6 +974,12 @@ The @racket[style] can include any of the following:
@item{@racket['devil] --- like @racket['binary], and also give the machine
horns and a tail}
]
@examples[#:eval ss-eval
(desktop-machine 1)
(desktop-machine 1 '(devil plt))
(desktop-machine 1 '(plt binary))
]}
@defproc[(thermometer [#:height-% height-% (between/c 0 1) 1]
@ -973,8 +1007,12 @@ The @racket[style] can include any of the following:
Finally, some number of ticks are drawn, basd on the @racket[ticks] argument.
}
@examples[#:eval ss-eval
(thermometer #:stem-height 90
#:bottom-circle-diameter 40
#:top-circle-diameter 20
#:mercury-inset 4)
]}
@; ----------------------------------------
@ -1047,7 +1085,19 @@ to the location specified by either @racket[x] and @racket[y]
its arguments like @racket[lt-find].
The resulting pict has the same @tech{bounding box}, descent, and ascent as
@racket[base], even if the balloon extends beyond the bounding box.}
@racket[base], even if the balloon extends beyond the bounding box.
@examples[#:eval ss-eval
(define a-pict (standard-fish 70 40))
(pin-balloon (balloon 40 30 5 'se 5 5)
(cc-superimpose (blank 300 150) a-pict)
a-pict
lc-find)
(pin-balloon (wrap-balloon (text "Hello!") 'sw -5 3)
(cc-superimpose (blank 300 150) a-pict)
a-pict
rt-find)
]}
@defproc[(balloon [w real?]
@ -1087,6 +1137,9 @@ library.}
Orange.}
@; helper for the next defproc
@(define (small-face mood) (scale (face mood) 0.25))
@defproc[(face [mood symbol?]
[color (or/c string (is-a?/c color%)) default-face-color])
pict?]{
@ -1095,22 +1148,33 @@ Returns a pict for a pre-configured face with the given base
color. The built-in configurations, selected by mood-symbol, are as
follows:
@itemize[
@item{@racket['unhappy] --- @racket[(face* 'none 'plain #t default-face-color 6)]}
@item{@racket['sortof-unhappy] --- @racket[(face* 'worried 'grimace #t default-face-color 6)]}
@item{@racket['sortof-happy] --- @racket[(face* 'worried 'medium #f default-face-color 6)]}
@item{@racket['happy] --- @racket[(face* 'none 'plain #f default-face-color 6)]}
@item{@racket['happier] --- @racket[(face* 'none 'large #f default-face-color 3)]}
@item{@racket['embarrassed] --- @racket[(face* 'worried 'medium #f default-face-color 3)]}
@item{@racket['badly-embarrassed] --- @racket[(face* 'worried 'medium #t default-face-color 3)]}
@item{@racket['unhappier] --- @racket[(face* 'normal 'large #t default-face-color 3)]}
@item{@racket['happiest] --- @racket[(face* 'normal 'huge #f default-face-color 0 -3)]}
@item{@racket['unhappiest] --- @racket[(face* 'normal 'huge #t default-face-color 0 -3)]}
@item{@racket['mad] --- @racket[(face* 'angry 'grimace #t default-face-color 0)]}
@item{@racket['mean] --- @racket[(face* 'angry 'narrow #f default-face-color 0)]}
@item{@racket['surprised] --- @racket[(face* 'worried 'oh #t default-face-color -4 -3 2)]}
@tabular[#:sep @hspace[2]
(list (list @para{@racket['unhappy] --- @racket[(face* 'none 'plain #t default-face-color 6)]}
@(small-face 'unhappy))
(list @para{@racket['sortof-unhappy] --- @racket[(small-face* 'worried 'grimace #t default-face-color 6)]}
@(small-face 'sortof-unhappy))
(list @para{@racket['sortof-happy] --- @racket[(small-face* 'worried 'medium #f default-face-color 6)]}
@(small-face 'sortof-happy))
(list @para{@racket['happy] --- @racket[(small-face* 'none 'plain #f default-face-color 6)]}
@(small-face 'happy))
(list @para{@racket['happier] --- @racket[(small-face* 'none 'large #f default-face-color 3)]}
@(small-face 'happier))
(list @para{@racket['embarrassed] --- @racket[(small-face* 'worried 'medium #f default-face-color 3)]}
@(small-face 'embarrassed))
(list @para{@racket['badly-embarrassed] --- @racket[(small-face* 'worried 'medium #t default-face-color 3)]}
@(small-face 'badly-embarrassed))
(list @para{@racket['unhappier] --- @racket[(small-face* 'normal 'large #t default-face-color 3)]}
@(small-face 'unhappier))
(list @para{@racket['happiest] --- @racket[(small-face* 'normal 'huge #f default-face-color 0 -3)]}
@(small-face 'happiest))
(list @para{@racket['unhappiest] --- @racket[(small-face* 'normal 'huge #t default-face-color 0 -3)]}
@(small-face 'unhappiest))
(list @para{@racket['mad] --- @racket[(small-face* 'angry 'grimace #t default-face-color 0)]}
@(small-face 'mad))
(list @para{@racket['mean] --- @racket[(small-face* 'angry 'narrow #f default-face-color 0)]}
@(small-face 'mean))
(list @para{@racket['surprised] --- @racket[(small-face* 'worried 'oh #t default-face-color -4 -3 2)]}
@(small-face 'surprised)))
]}
@defproc[(face* [eyebrow-kind (or/c 'none 'normal 'worried 'angry)]
@ -1196,7 +1260,12 @@ spikes are compared to the bounding oval.
The @racket[rotation] argument specifies an angle in radians for
counter-clockwise rotation.
The flash is drawn in the default color.}
The flash is drawn in the default color.
@examples[#:eval ss-eval
(filled-flash 100 50)
(filled-flash 100 50 8 0.25 (/ pi 2))
]}
@defproc[(outline-flash [width real?]
[height real?]
@ -1205,7 +1274,12 @@ The flash is drawn in the default color.}
[rotation real? 0])
pict?]{
Like @racket[filled-flash], but drawing only the outline.}
Like @racket[filled-flash], but drawing only the outline.
@examples[#:eval ss-eval
(outline-flash 100 50)
(outline-flash 100 50 8 0.25 (/ pi 2))
]}
@; ------------------------------------------------------------------------