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Commit 000ab326 authored by cer's avatar cer
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;; -*- mode: common-lisp; package: clim-user -*-
;;
;; -[]-
;;
;; copyright (c) 1985, 1986 Franz Inc, Alameda, CA All rights reserved.
;; copyright (c) 1986-1992 Franz Inc, Berkeley, CA All rights reserved.
;;
;; The software, data and information contained herein are proprietary
;; to, and comprise valuable trade secrets of, Franz, Inc. They are
;; given in confidence by Franz, Inc. pursuant to a written license
;; agreement, and may be stored and used only in accordance with the terms
;; of such license.
;;
;; Restricted Rights Legend
;; ------------------------
;; Use, duplication, and disclosure of the software, data and information
;; contained herein by any agency, department or entity of the U.S.
;; Government are subject to restrictions of Restricted Rights for
;; Commercial Software developed at private expense as specified in FAR
;; 52.227-19 or DOD FAR Supplement 252.227-7013 (c) (1) (ii), as
;; applicable.
;;
;; $fiHeader$
(in-package :clim-user)
;;; Clim based plotting package
;;-- How does incremental redisplay fit into all of this.
;;-- What happens if we use it and redisplay is not called at the
;;-- outer level
(defmacro plotting-data ((stream &rest options) &body body)
;; For each X value we want to specify the Y values
;; Specify labels for each X value
;; Specify label for each set of Y values
;; Specify the size of the graph we want draw.
;; Range of values for the axiss
(let ((point-plotting-continuation (gensym))
(plot-data-continuation (gensym)))
`(flet ((plotting-data-body (,point-plotting-continuation ,plot-data-continuation)
;; Perhaps we can also have a way of
;; specify all the points in one go
(flet ((plot-point (x &rest ys)
(apply ,point-plotting-continuation x ys))
(plot-data (array)
(funcall ,plot-data-continuation array)))
,@body)))
(invoke-plotting-data ,stream #'plotting-data-body ,@options))))
;; We should make presentations of these types
(define-presentation-type graph-plot ())
(define-presentation-type graph-region ())
(define-presentation-method presentation-typep (object (type graph-region))
(typep object 'standard-rectangle))
(define-command-table plot-command-table)
(define-presentation-translator select-graph-region
(graph-plot graph-region plot-command-table :gesture :select)
(x y window)
(let ((nx x)
(ny y)
(ox x)
(oy y))
(with-output-recording-options (window :record nil)
(flet ((draw-it ()
(draw-rectangle* window nx ny ox oy :filled nil :ink +flipping-ink+)))
(draw-it)
(tracking-pointer
(window)
(:pointer-motion
(x y)
(draw-it)
(setq nx x ny y)
(draw-it))
(:pointer-button-press
(x y)
(draw-it)
(setq nx x ny y)
(return (make-rectangle* ox oy nx ny))))))))
;; Define a presentation translator from a graph-plot to a graph-region.
;; In that way we trivially write a command that will zoom into a
;; particular region of the graph.
(define-presentation-type graph-point ())
(define-presentation-type graph-line ())
(define-presentation-type graph-axis ())
(defun invoke-plotting-data (stream continuation
&key x-labels
y-labels
y-labelling
x-min y-min
x-max y-max width height)
(let ((points nil))
(flet ((point-collector (x &rest ys)
(push (list* x ys) points))
(plot-data-collector (data)
(setq points data)))
(funcall continuation #'point-collector #'plot-data-collector))
(etypecase points
((array t (* *)) nil)
(list
(setq points (make-array (list (length points) (length (car points)))
:initial-contents (nreverse points)))))
(multiple-value-setq (width height)
(default-width-and-height stream width height))
(multiple-value-setq (x-min y-min x-max y-max y-labelling)
(default-graph-axis points x-min y-min x-max y-max y-labelling))
(let ((transform
(let ((scaling-transform
(make-scaling-transformation
(/ width (- x-max x-min))
(/ height (- y-max y-min)))))
(multiple-value-bind (ox oy)
(transform-position scaling-transform x-min y-min)
(compose-transformations
(make-translation-transformation (- ox) (- oy))
scaling-transform)))))
(with-new-output-record (stream 'standard-sequence-output-record)
(with-output-as-presentation (stream nil 'graph-plot :single-box :position)
(formatting-item-list (stream :n-columns 2)
(formatting-cell (stream)
(with-room-for-graphics (stream)
(draw-axis
stream
width height
x-min y-min x-max y-max
x-labels
y-labels
points
transform
y-labelling)
(draw-data stream width height x-min y-min x-max
y-max points transform)))
(formatting-cell (stream)
(draw-caption stream y-labels))))))))
(defun draw-caption (stream y-labels)
(updating-output (stream :unique-id 'captions
:cache-value (copy-list y-labels)
:cache-test #'equalp)
(let ((n-lines (length y-labels))
(ascent (text-style-ascent (medium-text-style stream) stream))
(descent (text-style-descent (medium-text-style stream) stream))
(i 0))
(surrounding-output-with-border (stream)
(formatting-table (stream)
(dolist (label y-labels)
(formatting-row (stream)
(formatting-cell (stream)
(draw-rectangle* stream 0 0 20 (+ ascent descent) :ink +background-ink+)
(draw-line* stream 0 (/ ascent 2) 20 (/ ascent 2)
:ink (make-contrasting-inks n-lines i)
:line-dashes (make-contrasting-dash-patterns n-lines i)))
(formatting-cell (stream)
(write-string label stream)))
(incf i)))))))
(defun draw-axis (stream width height x-min y-min x-max y-max x-labels y-labels points transform y-labelling)
;; Y Axis
(updating-output (stream :unique-id 'y-axis
:cache-value (list width height x-min y-min
x-max
y-max y-labelling)
:cache-test #'equalp)
(with-output-as-presentation (stream nil 'graph-axis)
(draw-line* stream 0 0 0 height)
(do ((y y-min (+ y-labelling y)))
((>= y y-max))
(multiple-value-bind (tx ty)
(transform-position transform x-min y)
(draw-line* stream (- tx 2) ty (+ tx 2) ty)
(let ((label (format nil "~3d" y)))
(multiple-value-bind (width height ignore-x ignore-y baseline)
(text-size stream label)
(declare (ignore ignore-x ignore-y))
(draw-text* stream label (- tx width 2) ty)))))))
;; X Axis labelling
(updating-output (stream :unique-id 'x-axis
:cache-value (list width height x-min y-min
x-max
y-max (copy-list x-labels))
:cache-test #'equalp)
(with-output-as-presentation (stream nil 'graph-axis)
(draw-line* stream 0 0 width 0)
(let ((i 0))
(dolist (label x-labels)
(multiple-value-bind (tx ty)
(transform-position transform (aref points i 0) y-min)
(draw-line* stream tx (- ty 2) tx (+ ty 2))
(multiple-value-bind (width height ignore-x ignore-y baseline)
(text-size stream label)
(declare (ignore ignore-x ignore-y))
(draw-text* stream label (- tx (/ width 2)) (- ty height 3))
(incf i))))))))
(defun draw-data (stream width height x-min y-min x-max y-max points transform)
(destructuring-bind
(rows columns) (array-dimensions points)
(let* (
(n-lines (1- columns)))
(dotimes (i n-lines)
(updating-output (stream :unique-id `(plot-line ,i)
:id-test #'equal
:cache-value (list x-min y-min x-max y-max width height
(let ((r nil))
(dotimes (j rows
(nreverse r))
(push (aref points j 0) r)
(push (aref points j (1+ i)) r)))))
(let (last-tx last-ty)
(with-output-as-presentation (stream (1+ i) 'graph-line)
(draw-lines*
stream
(let ((r nil))
(dotimes (j rows (nreverse r))
(let ((x (aref points j 0))
(y (aref points j (1+ i))))
(multiple-value-bind
(tx ty)
(transform-position transform x y)
(when last-tx
(push last-tx r)
(push last-ty r)
(push tx r)
(push ty r))
(setq last-tx tx last-ty ty)))))
:ink (make-contrasting-inks n-lines i)
:line-dashes (make-contrasting-dash-patterns n-lines i))))
(dotimes (j rows)
(let ((x (aref points j 0))
(y (aref points j (1+ i))))
(multiple-value-bind
(tx ty)
(transform-position transform x y)
(with-output-as-presentation (stream (list (1+ i) j) 'graph-point)
(draw-circle* stream tx ty 4 :filled t))))))))))
(defun default-width-and-height (stream width height)
(values 400 300))
(defun default-graph-axis (points x-min y-min x-max y-max y-labelling)
(destructuring-bind
(rows columns) (array-dimensions points)
(setq x-min (aref points 0 0) x-max x-min)
(setq y-min (aref points 0 1) y-max y-min)
(dotimes (i rows)
(let ((x (aref points i 0)))
(clim-utils::minf x-min x)
(clim-utils::maxf x-max x)
(dotimes (j (1- columns))
(let ((y (aref points i (1+ j))))
(clim-utils::minf y-min y)
(clim-utils::maxf y-max y))))))
(values x-min y-min x-max y-max
(or y-labelling (float (/ (- y-max y-min) 10)))))
;; Actual demo code.
(define-application-frame plot-demo ()
(
(y-labelling :initform 5)
(plot-data :initform #2a((1960 5 11 14)
(1970 8 15 16)
(1980 14 18 15.5)
(1990 19 21 15.2)
(2000 24 22 15.4)))
(x-labels :initform '("60" "70" "80" "90" "2000"))
(y-labels :initform '("Mexico City" "Tokyo" "New York"))
)
(:command-table (plot-demo :inherit-from (plot-command-table)))
(:panes
(graph-window :application :display-function 'display-graph
:incremental-redisplay t
:scroll-bars :both
:width :compute :height :compute)
(data-window :application :display-function 'display-data
:incremental-redisplay t
:scroll-bars :both
:width :compute :height :compute)
(command :interactor :height '(5 :line)))
(:layouts
(:default (vertically () graph-window data-window command))))
(defmethod frame-standard-output ((fr plot-demo))
(get-frame-pane fr 'command))
(define-presentation-type data-point ())
(define-presentation-type x-label ())
(define-presentation-type y-label ())
(defmethod display-data ((frame plot-demo) stream &key &allow-other-keys)
(with-slots (y-labels x-labels plot-data) frame
(formatting-table (stream)
;; Headers
(formatting-row (stream)
(updating-output (stream :unique-id `(-1 ,-1)
:id-test #'equal
:cache-value nil
:cache-test #'equalp)
(formatting-cell (stream) stream)) ; Dummy corner
(updating-output (stream :unique-id `(-1 ,0)
:id-test #'equal
:cache-value nil
:cache-test #'equalp)
(formatting-cell (stream) stream )) ; Over the X values
(let ((i 0))
(dolist (label y-labels)
(updating-output (stream :unique-id `(-1 ,(+ 2 i))
:id-test #'equal
:cache-value label
:cache-test #'equalp)
(formatting-cell (stream)
(with-output-as-presentation (stream i 'y-label)
(write-string label stream))))
(incf i))))
(destructuring-bind (rows columns)
(array-dimensions plot-data)
(dotimes (i rows)
(let ((label (nth i x-labels)))
(formatting-row (stream)
(updating-output (stream :unique-id `(,i -1)
:id-test #'equal
:cache-value label
:cache-test #'equalp)
(formatting-cell (stream)
(with-output-as-presentation (stream i 'x-label)
(write-string label stream))))
(dotimes (j columns)
(let ((n (aref plot-data i j)))
(updating-output (stream :unique-id `(,i ,j)
:id-test #'equal
:cache-value n
:cache-test #'equal)
(formatting-cell (stream)
(with-output-as-presentation (stream (list i j) 'data-point)
(with-output-as-presentation (stream n 'number)
(format stream "~2D" n))))))))))))))
(define-plot-demo-command (com-edit-x-label :name t :menu t)
((i 'x-label :gesture :select))
(with-application-frame (frame)
(setf (nth i (slot-value frame 'x-labels))
(accept 'string
:default (nth i (slot-value frame 'x-labels))))))
(define-plot-demo-command (com-edit-y-label :name t :menu t)
((i 'y-label :gesture :select))
(with-application-frame (frame)
(setf (nth i (slot-value frame 'y-labels))
(accept 'string
:default (nth i (slot-value frame 'y-labels))))))
(define-plot-demo-command (com-edit-data-point :name t :menu t)
((point 'data-point :gesture :select))
(with-application-frame (frame)
(destructuring-bind (i j) point
(setf (aref (slot-value frame 'plot-data) i j)
(accept 'number
:default (aref (slot-value frame 'plot-data) i j))))))
(defmethod display-graph ((frame plot-demo) stream &key &allow-other-keys)
(with-slots (y-labelling plot-data x-labels y-labels) frame
(plotting-data (stream :y-labelling y-labelling :x-labels x-labels :y-labels y-labels)
(plot-data plot-data))))
(define-plot-demo-command com-describe-graph-line
((line 'graph-line :gesture :select))
(describe line))
(define-plot-demo-command com-describe-graph-point
((point 'graph-point :gesture :select))
(describe point))
(define-plot-demo-command (com-describe-region :name t)
((region 'graph-region))
(describe region))
(define-plot-demo-command (com-redisplay :name t)
()
(window-clear (get-frame-pane *application-frame* 'graph-window))
(window-clear (get-frame-pane *application-frame* 'data-window)))
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