248 lines
13 KiB
Racket
248 lines
13 KiB
Racket
#lang racket/base
|
|
|
|
;; Procedures that plot 2D renderers.
|
|
|
|
(require racket/draw racket/snip racket/contract racket/list racket/class racket/match
|
|
slideshow/pict
|
|
unstable/parameter-group
|
|
unstable/lazy-require
|
|
"../common/contract.rkt"
|
|
"../common/math.rkt"
|
|
"../common/parameters.rkt"
|
|
"../common/plot-element.rkt"
|
|
"../common/file-type.rkt"
|
|
"../common/deprecation-warning.rkt"
|
|
"../common/contract-doc.rkt"
|
|
"area.rkt")
|
|
|
|
;; Require lazily: without this, Racket complains while generating documentation:
|
|
;; cannot instantiate `racket/gui/base' a second time in the same process
|
|
(lazy-require ["../common/gui.rkt" (make-snip-frame)])
|
|
|
|
(provide (all-defined-out))
|
|
|
|
;; ===================================================================================================
|
|
;; Plot to a given device context
|
|
|
|
(defproc (plot/dc [renderer-tree (treeof (or/c renderer2d? non-renderer?))]
|
|
[dc (is-a?/c dc<%>)]
|
|
[x real?] [y real?] [width (>=/c 0)] [height (>=/c 0)]
|
|
[#:x-min x-min (or/c real? #f) #f]
|
|
[#:x-max x-max (or/c real? #f) #f]
|
|
[#:y-min y-min (or/c real? #f) #f]
|
|
[#:y-max y-max (or/c real? #f) #f]
|
|
[#:title title (or/c string? #f) (plot-title)]
|
|
[#:x-label x-label (or/c string? #f) (plot-x-label)]
|
|
[#:y-label y-label (or/c string? #f) (plot-y-label)]
|
|
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]) void?
|
|
(define given-bounds-rect (vector (ivl x-min x-max) (ivl y-min y-max)))
|
|
(define rs (for/list ([r (flatten (list renderer-tree))])
|
|
(match r
|
|
[(non-renderer bounds-rect bounds-fun ticks-fun)
|
|
(renderer2d bounds-rect bounds-fun ticks-fun #f)]
|
|
[_ r])))
|
|
|
|
(define plot-bounds-rect (bounds-fixpoint rs given-bounds-rect))
|
|
|
|
(when (or (not (rect-regular? plot-bounds-rect))
|
|
(rect-zero-area? plot-bounds-rect))
|
|
(match-define (vector (ivl x-min x-max) (ivl y-min y-max)) plot-bounds-rect)
|
|
(error 'plot "could not determine sensible plot bounds; determined x ∈ [~e,~e], y ∈ [~e,~e]"
|
|
x-min x-max y-min y-max))
|
|
|
|
(define bounds-rect (rect-inexact->exact plot-bounds-rect))
|
|
|
|
(define-values (all-x-ticks all-x-far-ticks all-y-ticks all-y-far-ticks)
|
|
(for/lists (all-x-ticks all-x-far-ticks all-y-ticks all-y-far-ticks) ([r (in-list rs)])
|
|
(define ticks-fun (plot-element-ticks-fun r))
|
|
(cond [ticks-fun (ticks-fun bounds-rect)]
|
|
[else (values empty empty empty empty)])))
|
|
|
|
(define x-ticks (remove-duplicates (append* all-x-ticks)))
|
|
(define y-ticks (remove-duplicates (append* all-y-ticks)))
|
|
(define x-far-ticks (remove-duplicates (append* all-x-far-ticks)))
|
|
(define y-far-ticks (remove-duplicates (append* all-y-far-ticks)))
|
|
|
|
(parameterize ([plot-title title]
|
|
[plot-x-label x-label]
|
|
[plot-y-label y-label]
|
|
[plot-legend-anchor legend-anchor])
|
|
(match-define (vector (ivl x-min x-max) (ivl y-min y-max)) bounds-rect)
|
|
(define area (make-object 2d-plot-area%
|
|
x-ticks x-far-ticks y-ticks y-far-ticks
|
|
x-min x-max y-min y-max
|
|
dc x y width height))
|
|
(send area start-plot)
|
|
|
|
(define legend-entries
|
|
(flatten (for/list ([rend (in-list rs)])
|
|
(match-define (renderer2d rend-bounds-rect _bf _tf render-proc) rend)
|
|
(match-define (vector (ivl rx-min rx-max) (ivl ry-min ry-max))
|
|
(if rend-bounds-rect rend-bounds-rect (empty-rect 2)))
|
|
(send area start-renderer rx-min rx-max ry-min ry-max)
|
|
(if render-proc (render-proc area) empty))))
|
|
|
|
(send area end-renderers)
|
|
|
|
(when (not (empty? legend-entries))
|
|
(send area draw-legend legend-entries))
|
|
|
|
(send area end-plot)))
|
|
|
|
;; ===================================================================================================
|
|
;; Plot to various other backends
|
|
|
|
;; Plot to a bitmap
|
|
(defproc (plot-bitmap [renderer-tree (treeof (or/c renderer2d? non-renderer?))]
|
|
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
|
|
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
|
|
[#:width width exact-positive-integer? (plot-width)]
|
|
[#:height height exact-positive-integer? (plot-height)]
|
|
[#:title title (or/c string? #f) (plot-title)]
|
|
[#:x-label x-label (or/c string? #f) (plot-x-label)]
|
|
[#:y-label y-label (or/c string? #f) (plot-y-label)]
|
|
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
|
|
) (is-a?/c bitmap%)
|
|
(define bm (make-bitmap width height))
|
|
(define dc (make-object bitmap-dc% bm))
|
|
(plot/dc renderer-tree dc 0 0 width height
|
|
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max
|
|
#:title title #:x-label x-label #:y-label y-label #:legend-anchor legend-anchor)
|
|
bm)
|
|
|
|
(defproc (plot-pict [renderer-tree (treeof (or/c renderer2d? non-renderer?))]
|
|
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
|
|
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
|
|
[#:width width exact-positive-integer? (plot-width)]
|
|
[#:height height exact-positive-integer? (plot-height)]
|
|
[#:title title (or/c string? #f) (plot-title)]
|
|
[#:x-label x-label (or/c string? #f) (plot-x-label)]
|
|
[#:y-label y-label (or/c string? #f) (plot-y-label)]
|
|
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
|
|
) pict?
|
|
(define saved-values (plot-parameters))
|
|
(dc (λ (dc x y)
|
|
(parameterize/group
|
|
([plot-parameters saved-values])
|
|
(plot/dc renderer-tree dc x y width height
|
|
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max
|
|
#:title title #:x-label x-label #:y-label y-label #:legend-anchor legend-anchor)))
|
|
width height))
|
|
|
|
;; Plot to a snip
|
|
(defproc (plot-snip [renderer-tree (treeof (or/c renderer2d? non-renderer?))]
|
|
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
|
|
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
|
|
[#:width width exact-positive-integer? (plot-width)]
|
|
[#:height height exact-positive-integer? (plot-height)]
|
|
[#:title title (or/c string? #f) (plot-title)]
|
|
[#:x-label x-label (or/c string? #f) (plot-x-label)]
|
|
[#:y-label y-label (or/c string? #f) (plot-y-label)]
|
|
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
|
|
) (is-a?/c image-snip%)
|
|
(define bm
|
|
(plot-bitmap
|
|
renderer-tree
|
|
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:width width #:height height
|
|
#:title title #:x-label x-label #:y-label y-label #:legend-anchor legend-anchor))
|
|
(make-object image-snip% bm))
|
|
|
|
;; Plot to a frame
|
|
(defproc (plot-frame [renderer-tree (treeof (or/c renderer2d? non-renderer?))]
|
|
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
|
|
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
|
|
[#:width width exact-positive-integer? (plot-width)]
|
|
[#:height height exact-positive-integer? (plot-height)]
|
|
[#:title title (or/c string? #f) (plot-title)]
|
|
[#:x-label x-label (or/c string? #f) (plot-x-label)]
|
|
[#:y-label y-label (or/c string? #f) (plot-y-label)]
|
|
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
|
|
) (is-a?/c object%)
|
|
(define snip
|
|
(plot-snip
|
|
renderer-tree
|
|
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:width width #:height height
|
|
#:title title #:x-label x-label #:y-label y-label #:legend-anchor legend-anchor))
|
|
(make-snip-frame snip width height (if title (format "Plot: ~a" title) "Plot")))
|
|
|
|
;; Plot to a file
|
|
(defproc (plot-file [renderer-tree (treeof (or/c renderer2d? non-renderer?))]
|
|
[output (or/c path-string? output-port?)]
|
|
[kind (one-of/c 'auto 'png 'jpeg 'xmb 'xpm 'bmp 'ps 'pdf 'svg) 'auto]
|
|
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
|
|
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
|
|
[#:width width exact-positive-integer? (plot-width)]
|
|
[#:height height exact-positive-integer? (plot-height)]
|
|
[#:title title (or/c string? #f) (plot-title)]
|
|
[#:x-label x-label (or/c string? #f) (plot-x-label)]
|
|
[#:y-label y-label (or/c string? #f) (plot-y-label)]
|
|
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]) void?
|
|
(define real-kind (if (eq? kind 'auto) (detect-image-file-type output) kind))
|
|
(case real-kind
|
|
[(png jpeg xbm xpm bmp)
|
|
(define bm
|
|
(plot-bitmap
|
|
renderer-tree
|
|
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:width width #:height height
|
|
#:title title #:x-label x-label #:y-label y-label #:legend-anchor legend-anchor))
|
|
(send bm save-file output real-kind (plot-jpeg-quality))]
|
|
[(ps pdf svg)
|
|
(define dc
|
|
(case real-kind
|
|
[(ps) (new post-script-dc%
|
|
[interactive (plot-ps/pdf-interactive?)] [parent #f] [use-paper-bbox #f]
|
|
[as-eps #t] [width width] [height height] [output output])]
|
|
[(pdf) (new pdf-dc%
|
|
[interactive (plot-ps/pdf-interactive?)] [parent #f] [use-paper-bbox #f]
|
|
[width width] [height height] [output output])]
|
|
[(svg) (new svg-dc%
|
|
[width width] [height height] [output output] [exists 'truncate/replace])]))
|
|
(define-values (x-scale y-scale) (send dc get-device-scale))
|
|
(send dc start-doc "Rendering plot")
|
|
(send dc start-page)
|
|
(plot/dc renderer-tree dc 0 0
|
|
(inexact->exact (/ width x-scale)) (inexact->exact (/ height y-scale))
|
|
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max
|
|
#:title title #:x-label x-label #:y-label y-label #:legend-anchor legend-anchor)
|
|
(send dc end-page)
|
|
(send dc end-doc)])
|
|
(void))
|
|
|
|
;; Plot to a frame or a snip, depending on (plot-new-window?)
|
|
(defproc (plot [renderer-tree (treeof (or/c renderer2d? non-renderer?))]
|
|
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
|
|
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
|
|
[#:width width exact-positive-integer? (plot-width)]
|
|
[#:height height exact-positive-integer? (plot-height)]
|
|
[#:title title (or/c string? #f) (plot-title)]
|
|
[#:x-label x-label (or/c string? #f) (plot-x-label)]
|
|
[#:y-label y-label (or/c string? #f) (plot-y-label)]
|
|
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
|
|
[#:out-file out-file (or/c path-string? output-port? #f) #f]
|
|
[#:out-kind out-kind (one-of/c 'auto 'png 'jpeg 'xmb 'xpm 'bmp 'ps 'pdf 'svg) 'auto]
|
|
[#:fgcolor fgcolor plot-color/c #f]
|
|
[#:bgcolor bgcolor plot-color/c #f]
|
|
[#:lncolor lncolor plot-color/c #f] ; unused
|
|
) (or/c (is-a?/c snip%) void?)
|
|
(when fgcolor
|
|
(deprecation-warning "the plot #:fgcolor keyword argument" "plot-foreground"))
|
|
(when bgcolor
|
|
(deprecation-warning "the plot #:bgcolor keyword argument" "plot-background"))
|
|
(when lncolor
|
|
(deprecation-warning "the plot #:lncolor keyword argument"))
|
|
|
|
(define (call f . args)
|
|
(apply f renderer-tree args
|
|
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:width width #:height height
|
|
#:title title #:x-label x-label #:y-label y-label #:legend-anchor legend-anchor))
|
|
|
|
(parameterize ([plot-foreground (if fgcolor fgcolor (plot-foreground))]
|
|
[plot-background (if bgcolor bgcolor (plot-background))])
|
|
(when out-file
|
|
(call plot-file out-file out-kind))
|
|
|
|
(cond [(plot-new-window?) (define frame (call plot-frame))
|
|
(send frame show #t)
|
|
(void)]
|
|
[else (call plot-snip)])))
|