1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561
|
;;;;
;;;; graphics.lsp XLISP-STAT dynamic graphics functions and objects
;;;; XLISP-STAT 2.1 Copyright (c) 1990, by Luke Tierney
;;;; Additions to Xlisp 2.1, Copyright (c) 1989 by David Michael Betz
;;;; You may give out copies of this software; for conditions see the file
;;;; COPYING included with this distribution.
;;;;
(provide "graphics")
(require "stats")
(require "dialogs")
;;;
;;; Constants
;;;
(defconstant *cursors*
'(arrow watch cross brush hand finger hour-glass trash-bag trash-can))
(defconstant *colors*
'(white black red green blue cyan magenta yellow))
(defconstant *plot-symbols*
'(dot dot1 dot2 dot3 dot4 disk diamond cross square wedge1 wedge2 x))
;;;
;;; Miscelaneous Functions
;;;
(defun close-all-plots ()
"Args: ()
Close all plot windos."
(let ((plots (remove nil
(mapcar #'(lambda (x)
(let ((object (nth 2 x)))
(if (kind-of-p object graph-window-proto)
object
nil)))
*hardware-objects*))))
(mapcar #'(lambda (x) (send x :remove)) plots)))
(defun get-new-integer (prompt low high initial)
"Args: (prompt low high initial)
Open dialog to get an integer in the range (LOW HIGH). Returns the integer
or NIL if Cancelled or integer is not in range. Beeps if integer is bad."
(let ((val (get-value-dialog (format nil "~a: (between ~d and ~d)"
prompt low high) :initial initial)))
(if val (cond
((and (integerp (car val)) (< low (car val) high)) (car val))
(t (sysbeep) nil)))))
(defun linked-plots ()
"Args: ()
Return list of all linked plots."
(let ((plots nil))
(dolist (x *hardware-objects*)
(let ((x (nth 2 x)))
(if (and (kind-of-p x graph-proto) (send x :linked))
(push x plots))))
plots))
(defun active-graph-windows ()
"Args: ()
Return list of all currently visible graph windows."
(remove-if-not #'(lambda (x) (kind-of-p x graph-window-proto))
(mapcar #'third *hardware-objects*)))
(defun color-symbols ()
"Args: ()
Returns list of symbols with color definitions."
(let ((res nil))
(do-all-symbols (s res)
(if (get s '|color-index|) (push s res)))))
(defun cursor-symbols ()
"Args: ()
Returns list of symbols with cursor definitions."
(let ((res nil))
(do-all-symbols (s res)
(if (get s '|cursor-index|) (push s res)))))
(defun plot-symbol-symbols ()
"Args: ()
Returns list of symbols with plot symbol definitions."
(let ((res nil))
(do-all-symbols (s res)
(if (get s '|symbol-index|) (push s res)))))
(defun pause (n)
"Args: (n)
Pause for N/60 seconds."
(flush-graphics)
(let ((ticks (+ (* (/ n 60) internal-time-units-per-second)
(get-internal-run-time))))
(loop (if (<= ticks (get-internal-run-time)) (return)))))
;;;
;;; Functions to link several plots
;;;
(defun link-views (&rest args)
"Args: (&rest plots)
Links the argument plots: any change in hiliting or visibility of points in
the current plot is propagated to the other plots."
(mapc #'(lambda (x) (send x :linked t)) args))
(defun unlink-views (&rest args)
"Args: (&rest plots)
Removes links to its arguments. With no arguments removes all links."
(if args
(mapc #'(lambda (x) (send x :linked nil)) args)
(unlink-all-windows)))
;;;;
;;;; GRAPH-PROTO Methods
;;;;
(defmeth graph-proto :current-variables (&optional x y &key (draw t))
"Method args: (&optional x y &key (draw t))
Sets or retrieves current variables."
(when x
(send self :content-variables x y)
(if draw (send self :redraw)))
(send self :content-variables))
(defmeth spin-proto :current-variables (&optional x y z &key (draw t))
"Method args: (&optional x y z &key (draw t))
Sets or retrieves current variables."
(when x
(send self :content-variables x y z)
(if draw (send self :redraw)))
(send self :content-variables))
(defmeth graph-proto :scale-type (&optional (new nil set) &key (draw t))
"Method args: (&optional new)
Sets or returns scale type."
(when set
; (setf (slot-value 'scale-type)
; (case new ((fixed variable) new) (t nil)))
(setf (slot-value 'scale-type) new)
(send self :adjust-to-data :draw draw))
(slot-value 'scale-type))
(defmeth graph-proto :menu-title (&optional (title nil set))
(if set (setf (slot-value 'menu-title) title))
(slot-value 'menu-title))
(defmeth graph-proto :variable-labels (&optional (val nil set))
(if set (setf (slot-value 'variable-labels) (map 'vector #'string val)))
(slot-value 'variable-labels))
(defmeth graph-proto :black-on-white (&optional (val nil set))
(if set (setf (slot-value 'black-on-white) val))
(slot-value 'black-on-white))
(defmeth graph-proto :center (&rest args)
"Method args: (var &optional shift &key (draw t))
Sets or retrieves current center for variable VAR. Sends :RESIZE and :REDRAW
messages if DRAW is true. Vectorized."
(apply #'send self :shift args))
; dummy message to allow depth cuing to be turned off when symbols
; are changed
(defmeth graph-proto :depth-cuing (&optional (on nil set)) nil)
(defmeth graph-proto :set-selection-symbol ()
"Method args: ()
Open dialog to set symbol used to plot selected points."
(let* ((symbols (remove-if #'(lambda (x) (member x '(dot1 dot2 dot3 dot4)))
*plot-symbols*))
(i (choose-item-dialog "Symbol for selected points"
(mapcar #'string symbols))))
(when i
(let ((plots (adjoin self (linked-plots)))
(selection (send self :selection))
(symbol (nth i symbols)))
(dolist (p plots)
(if (send p :depth-cuing) (send p :depth-cuing nil))
(send p :point-symbol selection symbol)
(send p :redraw))))))
(defmeth graph-proto :set-selection-color ()
"Method args: ()
Open dialog to set color used to plot selected points."
(let ((c (choose-item-dialog "Color for selected points"
(cons "None" (mapcar #'string *colors*)))))
(when c
(setf c (if (= c 0) nil (nth (- c 1) *colors*)))
(let ((plots (adjoin self (linked-plots)))
(selection (send self :selection)))
(dolist (p plots)
(if c (send p :use-color t))
(send p :point-color selection c)
(send p :redraw))))))
(defmeth graph-proto :show-all-points ()
(send self :point-showing (iseq 0 (- (send self :num-points) 1)) t)
(send self :adjust-to-data))
(defmeth graph-proto :selection-dialog ()
"Method args: ()
Open dialog to save or set selection."
(if (send self :any-points-selected-p)
(let ((s (get-string-dialog "Name for the selection:")))
(when s
(setq s (intern (string-upcase s)))
(set s (send self :selection))
(pushnew s *variables*)))
(let ((s (get-value-dialog "Expression for indices to select:")))
(if s (send self :point-selected (car s) t)))))
;;; :DRAG-POINT - if there is a point close to the mouse drag it
;;; and return its index. Otherwise returns NIL.
;;; For transformed data result only makes sense if transform is
;;; orthogonal.
;;;
(defmeth graph-proto :drag-point (x y &key (draw t))
(let* ((cont-vars (send self :content-variables))
(cont-x (nth 0 cont-vars))
(cont-y (nth 1 cont-vars))
(tol 5)
(width (* 2 tol))
(points (send self :points-in-rect
(- x tol) (- y tol) width width))
(p (if points (car points)))
(transform (send self :transformation)))
(if (null transform)
(if p
(let* ((coords (send self :drag-grey-rect x y tol tol))
(sx (+ (nth 0 coords) tol))
(sy (+ (nth 1 coords) tol))
(rcoords (send self :canvas-to-real sx sy)))
(send self :point-coordinate cont-x p (nth 0 rcoords))
(send self :point-coordinate cont-y p (nth 1 rcoords))
(if draw (send self :redraw))
p))
(if p
(let* ((coords (send self :drag-grey-rect x y tol tol))
(sx (+ (nth 0 coords) tol))
(sy (+ (nth 1 coords) tol))
(sc-coords (send self :canvas-to-scaled sx sy))
(sc-x (first sc-coords))
(sc-y (second sc-coords))
(old-sc-x (send self :point-transformed-coordinate
cont-x p))
(old-sc-y (send self :point-transformed-coordinate
cont-y p))
(dims (iseq 0 (- (send self :num-variables) 1)))
(reals (send self :point-coordinate dims p))
(scale (send self :scale dims))
(x-col (compound-data-seq
(select transform cont-x dims)))
(y-col (compound-data-seq
(select transform cont-y dims))))
(send self :point-coordinate dims p
(+ reals (* (+ (* x-col (- sc-x old-sc-x))
(* y-col (- sc-y old-sc-y)))
scale)))
(if draw (send self :redraw))
p)))))
;;; :SAVE-IMAGE - saves a postscript image to a file.
#+unix
(defmeth graph-window-proto :save-image (&optional (file "image.ps") &key (scale 1))
"Method args: (&optional (file \"image.ps\"))
Saves a postscript image of the window to file named FILE by buffering,
sending the window the :REDRAW message, and dumping the buffer to a file."
(let ((file (open file :direction :output)))
(unwind-protect (send self :image-to-file file scale)
(close file))))
#+unix
(defmeth graph-window-proto :ask-save-image (&optional (file "image.ps"))
(let ((file (get-string-dialog "Enter a file name for postscript output"
:initial file)))
(when file
(if (= (length file) 0) (error "null file name string"))
(format t "; saving postscript image to file ~a..." file)
(force-output)
(send self :save-image file)
(format t "done~%"))))
;;;;
;;;;
;;;; Graph Object Menu and Dialog Methods
;;;;
;;;;
(send graph-proto :menu-title "Plot")
(defmeth graph-proto :menu-template (&optional (val nil set))
(if set (setf (slot-value 'menu-template) val))
(slot-value 'menu-template))
(send graph-proto :menu-template '(link showing-labels mouse resize-brush dash
erase-selection focus-on-selection
show-all symbol
color
selection dash
slicer
rescale
options
#+unix save-image))
(defmeth graph-proto :make-menu-item (item-template)
(if (kind-of-p item-template menu-item-proto)
item-template
(case item-template
(dash (send dash-item-proto :new))
(link (send link-item-proto :new self))
(erase-selection
(send graph-item-proto :new "Remove Selection" self
:erase-selection :any-points-selected-p))
(focus-on-selection
(send graph-item-proto :new "Focus on Selection" self
:focus-on-selection :any-points-selected-p))
(showing-labels
(send graph-item-proto :new "Show Labels" self
:showing-labels :showing-labels :toggle t))
(show-all
(send graph-item-proto :new "Show All" self
:show-all-points :all-points-showing-p :negate t))
(selection
(send graph-item-proto :new "Selection ..." self
:selection-dialog))
(mouse (send mouse-mode-item-proto :new self))
(resize-brush
(send graph-item-proto :new "Resize Brush" self :resize-brush))
(redraw
(send graph-item-proto :new "Redraw Plot" self :redraw))
(rescale
(send graph-item-proto :new "Rescale Plot" self :adjust-to-data))
(options
(if (not (small-machine-p))
(send graph-item-proto :new "Options ..." self :set-options)))
(slicer
(if (not (small-machine-p))
(send graph-item-proto :new
"Slicer ..." self :make-slicer-dialog)))
(symbol
(send graph-item-proto :new "Selection Symbol" self
:set-selection-symbol :any-points-selected-p))
(color
(if (screen-has-color)
(send graph-item-proto :new "Selection Color" self
:set-selection-color :any-points-selected-p)))
(save-image
(send graph-item-proto :new "Save to File" self :ask-save-image)))))
(defmeth graph-proto :new-menu (&optional title &key (items (send self :menu-template)))
(unless title (setq title (slot-value 'menu-title)))
(if (slot-value 'menu) (send (slot-value 'menu) :dispose))
(flet ((make-item (item) (send self :make-menu-item item)))
(let ((menu (send menu-proto :new title)))
(send self :menu menu)
(apply #'send menu :append-items (remove nil (mapcar #'make-item items)))
menu)))
(defmeth graph-window-proto :clobber ()
(call-next-method)
(if (slot-value 'menu) (send (slot-value 'menu) :dispose)))
(defmeth graph-window-proto :close () (send self :remove))
(defmeth graph-proto :remove ()
(if (send self :allocated-p) (send self :linked nil))
(call-next-method))
(defmeth graph-proto :add-dialog (d) (send self :add-subordinate d))
(defmeth graph-proto :remove-dialog (d) (send self :delete-subordinate d))
(defmeth graph-proto :clear (&rest args)
"Message args: (&key (draw t))
Clears the plot data. If DRAW is nil the plot is redrawn; otherwise its
current screen image remains unchanged."
(let ((draw (null args))) ;;;temporary cheat to allow optional or key arg
(send self :clear-points :draw nil)
(send self :clear-lines :draw draw)))
(defmeth graph-proto :focus-on-selection ()
"Message args: ()
removes all unselected points invisible"
(let ((i (iseq 0 (- (send self :num-points) 1))))
(send self :point-showing (set-difference i (send self :selection)) nil)))
;;
;; Graph Menu Item Prototypes
;;
;; GRAPH-ITEM-PROTO
(defproto graph-item-proto
'(graph update-message toggle negate redraw) () menu-item-proto)
(defmeth graph-item-proto :isnew (title graph message
&optional update-message &key toggle negate redraw)
(setf (slot-value 'graph) graph)
(setf (slot-value 'action) message)
(setf (slot-value 'update-message) update-message)
(setf (slot-value 'toggle) toggle)
(setf (slot-value 'negate) negate)
(setf (slot-value 'redraw) redraw)
(call-next-method title))
(defmeth graph-item-proto :do-action ()
(let ((graph (slot-value 'graph))
(action (send self :action)))
(if (and action (symbolp action))
(if (slot-value 'toggle)
(send graph action (not (send self :update-message)))
(send graph action))
(if action (funcall action graph)))
(if (slot-value 'redraw) (send graph :redraw))))
(defmeth graph-item-proto :update-message ()
(let ((graph (slot-value 'graph)))
(if (slot-value 'update-message)
(if (symbolp (slot-value 'update-message))
(send graph (slot-value 'update-message))
(funcall (slot-value 'update-message) graph)))))
(defmeth graph-item-proto :update ()
(if (slot-value 'update-message)
(let ((test (if (send self :update-message) t nil)))
(send self
(if (slot-value 'toggle) :mark :enabled)
(if (slot-value 'negate) (not test) test)))))
;; LINK-ITEM-PROTO. Toggles linking and menu text
(defproto link-item-proto '(graph) () menu-item-proto)
(defmeth link-item-proto :isnew (v)
(setf (slot-value 'graph) v)
(call-next-method "Link View"))
(defmeth link-item-proto :do-action ()
(send (slot-value 'graph)
:linked (not (send (slot-value 'graph) :linked))))
(defmeth link-item-proto :update ()
(send self :title
(if (send (slot-value 'graph) :linked)
"Unlink View"
"Link View")))
;; MOUSE-MODE-ITEM-PROTO. Rotates among selecting, brushing, user modes
(defproto mouse-mode-item-proto '(graph) () menu-item-proto
"Menu item for changing the mouse mode")
(defmeth mouse-mode-item-proto :isnew (v)
(setf (slot-value 'graph) v)
(call-next-method "Mouse Mode ..."))
(defmeth mouse-mode-item-proto :do-action ()
(let ((graph (slot-value 'graph)))
(send graph :choose-mouse-mode)))
;;;
;;; Graph mode methods
;;;
(defmeth graph-proto :add-mouse-mode (mode &key
(title (string mode))
(cursor 'arrow)
click
motion)
"Method args: (mode &key (title (string mode)) (cursor 'arrow) click motion)
Adds MODE to the mode list. TITLE is the string used in the menu, CLICK
and MOTION are the selectors for the mouse actions."
(let ((mode-list (remove mode (slot-value 'mode-list)
:test #'(lambda (x y)
(and (consp y) (eql x (car y)))))))
(send self :add-slot 'mode-list
(cons (list mode title cursor click motion) mode-list)))
mode)
(defmeth graph-proto :delete-mouse-mode (mode)
"Method args: (mode)
Deletes MODE to the mode list."
(let* ((mode-list (slot-value 'mode-list))
(new-list (remove mode mode-list
:test #'(lambda (x y)
(and (consp y) (eql x (car y)))))))
(unless (equal mode-list new-list)
(if (null new-list) (error "Need at least one mouse mode"))
(send self :add-slot 'mode-list new-list)
(if (eq mode (send self :mouse-mode))
(send self :mouse-mode (first (send self :mouse-modes))))
mode)))
(defmeth graph-proto :set-mode-cursor ()
"Method args: ()
Installs appropriate cursor for current mode."
(let* ((mode-info (assoc (slot-value 'mouse-mode) (slot-value 'mode-list)))
(cursor (if mode-info (nth 2 mode-info) 'arrow)))
(send self :cursor cursor)))
(send graph-proto :add-mouse-mode 'selecting
:title "Selecting Mode" :click :do-select-click)
(send graph-proto :add-mouse-mode 'brushing
:title "Brushing Mode" :cursor 'brush
:click :do-brush-click :motion :do-brush-motion)
(defmeth graph-proto :mouse-mode-title (mode)
"Method args: (mode)
Returns title for menu item for mouse mode MODE."
(let ((mode-info (assoc mode (slot-value 'mode-list))))
(if mode-info (nth 1 mode-info))))
(defmeth graph-proto :mouse-modes ()
"Method args: ()
Returns a list of the current mouse modes."
(reverse (mapcar #'car (slot-value 'mode-list))))
(defmeth graph-proto :choose-mouse-mode ()
"Method args: ()
Presents a dialog to set the mouse mode."
(let* ((modes (send self :mouse-modes))
(m (choose-item-dialog "New Mode:"
(mapcar #'(lambda (x)
(send self :mouse-mode-title x))
modes)
:initial (position (send self :mouse-mode)
modes))))
(if m (send self :mouse-mode (nth m modes)))))
;;;
;;; Overlay Methods
;;;
(defmeth graph-proto :redraw-overlays ()
(dolist (ov (reverse (slot-value 'overlays)))
(send ov :redraw)))
(defmeth graph-proto :resize-overlays ()
(dolist (ov (slot-value 'overlays))
(send ov :resize)))
(defmeth graph-proto :overlay-click (x y m1 m2)
(dolist (ov (slot-value 'overlays))
(if (send ov :do-click x y m1 m2) (return t))))
(defmeth graph-proto :add-overlay (ov)
(if (send ov :graph) (error "Already installed in a graph"))
(send ov :slot-value 'graph self)
(setf (slot-value 'overlays) (cons ov (slot-value 'overlays))))
(defmeth graph-proto :delete-overlay (ov)
(when (member ov (slot-value 'overlays))
(send ov :slot-value 'graph nil)
(setf (slot-value 'overlays) (remove ov (slot-value 'overlays)))))
(defproto graph-overlay-proto '(graph))
(defmeth graph-overlay-proto :graph () (slot-value 'graph))
(defmeth graph-overlay-proto :resize () nil)
(defmeth graph-overlay-proto :redraw () nil)
(defmeth graph-overlay-proto :do-click (x y m1 m2) nil)
(require "graph2")
|