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
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
|
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
-
+
-
-
+
+
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;; strftime('%m/%d/%Y %H:%M:%S','now','localtime')
(declare (unit vg))
(module vg
(
*
vg:drawing-new
)
(import scheme
chicken
data-structures
extras
typed-records
srfi-1
srfi-69
canvas-draw iup
)
;;======================================================================
;; vg_records.scm
;;======================================================================
;; Created by records.sh. DO NOT EDIT THIS FILE. Edit records.sh instead
;; Generated using make-vector-record -safe vg lib comps
;; Copyright 2006-2017, Matthew Welland.
;;
;; This file is part of Megatest.
;;
;; Megatest is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; Megatest is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with Megatest. If not, see <http://www.gnu.org/licenses/>.
;;
(use simple-exceptions)
(define vg:lib-exn (make-exception "wrong record type, expected vg:lib." 'assert))
(define (pmake-vg:lib . params)(let ((v (if (null? params)(make-vector 2)(apply vector 'vg:lib params)))) v))
(define (make-vg:lib #!key
(comps #f)
)
(vector 'vg:lib comps))
(define (vg:lib-comps vec)(if (eq? (vector-ref vec 0) 'vg:lib)(vector-ref vec 1)(raise (vg:lib-exn 'vg:lib-comps 'xpr))))
(define (vg:lib-comps-set! vec val)(if (eq? (vector-ref vec 0) 'vg:lib)(vector-set! vec 1 val)(raise (vg:lib-exn 'comps))))
;; Generated using make-vector-record -safe vg comp objs name file
(use simple-exceptions)
(define vg:comp-exn (make-exception "wrong record type, expected vg:comp." 'assert))
(define (pmake-vg:comp . params)(let ((v (if (null? params)(make-vector 4)(apply vector 'vg:comp params)))) v))
(define (make-vg:comp #!key
(objs #f)
(name #f)
(file #f)
)
(vector 'vg:comp objs name file))
(define (vg:comp-objs vec)(if (eq? (vector-ref vec 0) 'vg:comp)(vector-ref vec 1)(raise (vg:comp-exn 'vg:comp-objs 'xpr))))
(define (vg:comp-name vec)(if (eq? (vector-ref vec 0) 'vg:comp)(vector-ref vec 2)(raise (vg:comp-exn 'vg:comp-name 'xpr))))
(define (vg:comp-file vec)(if (eq? (vector-ref vec 0) 'vg:comp)(vector-ref vec 3)(raise (vg:comp-exn 'vg:comp-file 'xpr))))
(define (vg:comp-objs-set! vec val)(if (eq? (vector-ref vec 0) 'vg:comp)(vector-set! vec 1 val)(raise (vg:comp-exn 'objs))))
(define (vg:comp-name-set! vec val)(if (eq? (vector-ref vec 0) 'vg:comp)(vector-set! vec 2 val)(raise (vg:comp-exn 'name))))
(define (vg:comp-file-set! vec val)(if (eq? (vector-ref vec 0) 'vg:comp)(vector-set! vec 3 val)(raise (vg:comp-exn 'file))))
;; Generated using make-vector-record -safe vg obj type pts fill-color text line-color call-back angle font attrib extents proc
(use simple-exceptions)
(define vg:obj-exn (make-exception "wrong record type, expected vg:obj." 'assert))
(define (pmake-vg:obj . params)(let ((v (if (null? params)(make-vector 12)(apply vector 'vg:obj params)))) v))
(define (make-vg:obj #!key
(type #f)
(pts #f)
(fill-color #f)
(text #f)
(line-color #f)
(call-back #f)
(angle #f)
(font #f)
(attrib #f)
(extents #f)
(proc #f)
)
(vector 'vg:obj type pts fill-color text line-color call-back angle font attrib extents proc))
(define (vg:obj-type vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 1)(raise (vg:obj-exn 'vg:obj-type 'xpr))))
(define (vg:obj-pts vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 2)(raise (vg:obj-exn 'vg:obj-pts 'xpr))))
(define (vg:obj-fill-color vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 3)(raise (vg:obj-exn 'vg:obj-fill-color 'xpr))))
(define (vg:obj-text vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 4)(raise (vg:obj-exn 'vg:obj-text 'xpr))))
(define (vg:obj-line-color vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 5)(raise (vg:obj-exn 'vg:obj-line-color 'xpr))))
(define (vg:obj-call-back vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 6)(raise (vg:obj-exn 'vg:obj-call-back 'xpr))))
(define (vg:obj-angle vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 7)(raise (vg:obj-exn 'vg:obj-angle 'xpr))))
(define (vg:obj-font vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 8)(raise (vg:obj-exn 'vg:obj-font 'xpr))))
(define (vg:obj-attrib vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 9)(raise (vg:obj-exn 'vg:obj-attrib 'xpr))))
(define (vg:obj-extents vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 10)(raise (vg:obj-exn 'vg:obj-extents 'xpr))))
(define (vg:obj-proc vec)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-ref vec 11)(raise (vg:obj-exn 'vg:obj-proc 'xpr))))
(define (vg:obj-type-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 1 val)(raise (vg:obj-exn 'type))))
(define (vg:obj-pts-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 2 val)(raise (vg:obj-exn 'pts))))
(define (vg:obj-fill-color-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 3 val)(raise (vg:obj-exn 'fill-color))))
(define (vg:obj-text-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 4 val)(raise (vg:obj-exn 'text))))
(define (vg:obj-line-color-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 5 val)(raise (vg:obj-exn 'line-color))))
(define (vg:obj-call-back-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 6 val)(raise (vg:obj-exn 'call-back))))
(define (vg:obj-angle-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 7 val)(raise (vg:obj-exn 'angle))))
(define (vg:obj-font-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 8 val)(raise (vg:obj-exn 'font))))
(define (vg:obj-attrib-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 9 val)(raise (vg:obj-exn 'attrib))))
(define (vg:obj-extents-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 10 val)(raise (vg:obj-exn 'extents))))
(define (vg:obj-proc-set! vec val)(if (eq? (vector-ref vec 0) 'vg:obj)(vector-set! vec 11 val)(raise (vg:obj-exn 'proc))))
;; Generated using make-vector-record -safe vg inst libname compname theta xoff yoff scalex scaley mirrx mirry call-back cache
(use simple-exceptions)
(define vg:inst-exn (make-exception "wrong record type, expected vg:inst." 'assert))
(define (pmake-vg:inst . params)(let ((v (if (null? params)(make-vector 12)(apply vector 'vg:inst params)))) v))
(define (make-vg:inst #!key
(libname #f)
(compname #f)
(theta #f)
(xoff #f)
(yoff #f)
(scalex #f)
(scaley #f)
(mirrx #f)
(mirry #f)
(call-back #f)
(cache #f)
)
(vector 'vg:inst libname compname theta xoff yoff scalex scaley mirrx mirry call-back cache))
(define (vg:inst-libname vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 1)(raise (vg:inst-exn 'vg:inst-libname 'xpr))))
(define (vg:inst-compname vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 2)(raise (vg:inst-exn 'vg:inst-compname 'xpr))))
(define (vg:inst-theta vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 3)(raise (vg:inst-exn 'vg:inst-theta 'xpr))))
(define (vg:inst-xoff vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 4)(raise (vg:inst-exn 'vg:inst-xoff 'xpr))))
(define (vg:inst-yoff vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 5)(raise (vg:inst-exn 'vg:inst-yoff 'xpr))))
(define (vg:inst-scalex vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 6)(raise (vg:inst-exn 'vg:inst-scalex 'xpr))))
(define (vg:inst-scaley vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 7)(raise (vg:inst-exn 'vg:inst-scaley 'xpr))))
(define (vg:inst-mirrx vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 8)(raise (vg:inst-exn 'vg:inst-mirrx 'xpr))))
(define (vg:inst-mirry vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 9)(raise (vg:inst-exn 'vg:inst-mirry 'xpr))))
(define (vg:inst-call-back vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 10)(raise (vg:inst-exn 'vg:inst-call-back 'xpr))))
(define (vg:inst-cache vec)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-ref vec 11)(raise (vg:inst-exn 'vg:inst-cache 'xpr))))
(define (vg:inst-libname-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 1 val)(raise (vg:inst-exn 'libname))))
(define (vg:inst-compname-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 2 val)(raise (vg:inst-exn 'compname))))
(define (vg:inst-theta-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 3 val)(raise (vg:inst-exn 'theta))))
(define (vg:inst-xoff-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 4 val)(raise (vg:inst-exn 'xoff))))
(define (vg:inst-yoff-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 5 val)(raise (vg:inst-exn 'yoff))))
(define (vg:inst-scalex-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 6 val)(raise (vg:inst-exn 'scalex))))
(define (vg:inst-scaley-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 7 val)(raise (vg:inst-exn 'scaley))))
(define (vg:inst-mirrx-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 8 val)(raise (vg:inst-exn 'mirrx))))
(define (vg:inst-mirry-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 9 val)(raise (vg:inst-exn 'mirry))))
(define (vg:inst-call-back-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 10 val)(raise (vg:inst-exn 'call-back))))
(define (vg:inst-cache-set! vec val)(if (eq? (vector-ref vec 0) 'vg:inst)(vector-set! vec 11 val)(raise (vg:inst-exn 'cache))))
;; Generated using make-vector-record -safe vg drawing libs insts scalex scaley xoff yoff cnv cache
(use simple-exceptions)
(define vg:drawing-exn (make-exception "wrong record type, expected vg:drawing." 'assert))
(define (pmake-vg:drawing . params)(let ((v (if (null? params)(make-vector 9)(apply vector 'vg:drawing params)))) v))
(define (make-vg:drawing #!key
(libs #f)
(insts #f)
(scalex #f)
(scaley #f)
(xoff #f)
(yoff #f)
(cnv #f)
(cache #f)
)
(vector 'vg:drawing libs insts scalex scaley xoff yoff cnv cache))
(define (vg:drawing-libs vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 1)(raise (vg:drawing-exn 'vg:drawing-libs 'xpr))))
(define (vg:drawing-insts vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 2)(raise (vg:drawing-exn 'vg:drawing-insts 'xpr))))
(define (vg:drawing-scalex vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 3)(raise (vg:drawing-exn 'vg:drawing-scalex 'xpr))))
(define (vg:drawing-scaley vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 4)(raise (vg:drawing-exn 'vg:drawing-scaley 'xpr))))
(define (vg:drawing-xoff vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 5)(raise (vg:drawing-exn 'vg:drawing-xoff 'xpr))))
(define (vg:drawing-yoff vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 6)(raise (vg:drawing-exn 'vg:drawing-yoff 'xpr))))
(define (vg:drawing-cnv vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 7)(raise (vg:drawing-exn 'vg:drawing-cnv 'xpr))))
(define (vg:drawing-cache vec)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-ref vec 8)(raise (vg:drawing-exn 'vg:drawing-cache 'xpr))))
(define (vg:drawing-libs-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 1 val)(raise (vg:drawing-exn 'libs))))
(define (vg:drawing-insts-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 2 val)(raise (vg:drawing-exn 'insts))))
(define (vg:drawing-scalex-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 3 val)(raise (vg:drawing-exn 'scalex))))
(define (vg:drawing-scaley-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 4 val)(raise (vg:drawing-exn 'scaley))))
(define (vg:drawing-xoff-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 5 val)(raise (vg:drawing-exn 'xoff))))
(define (vg:drawing-yoff-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 6 val)(raise (vg:drawing-exn 'yoff))))
(define (vg:drawing-cnv-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 7 val)(raise (vg:drawing-exn 'cnv))))
(define (vg:drawing-cache-set! vec val)(if (eq? (vector-ref vec 0) 'vg:drawing)(vector-set! vec 8 val)(raise (vg:drawing-exn 'cache))))
;;======================================================================
;; end vg_records
;;======================================================================
;; ;; structs
;; ;;
;; (defstruct vg:lib comps)
;; (defstruct vg:comp objs name file)
;; ;; extents caches extents calculated on draw
;; ;; proc is called on draw and takes the obj itself as a parameter
;; ;; attrib is an alist of parameters
;; (defstruct vg:obj type pts fill-color text line-color call-back angle font attrib extents proc)
;; (defstruct vg:inst libname compname theta xoff yoff scalex scaley mirrx mirry call-back cache)
;; (defstruct vg:drawing libs insts scalex scaley xoff yoff cnv cache) ;; libs: hash of name->lib, insts: hash of instname->inst
;; inits
;;
(define (vg:comp-new)
(make-vg:comp objs: '() name: #f file: #f))
(define (vg:lib-new)
(make-vg:lib comps: (make-hash-table)))
(define (vg:drawing-new)
(make-vg:drawing scalex: 1
scaley: 1
xoff: 0
yoff: 0
libs: (make-hash-table)
insts: (make-hash-table)
cache: '()))
;;======================================================================
;; scaling and offsets
;;======================================================================
(define (vg:scale-offset val s o)
(+ o (* val s)))
;; (* (+ o val) s))
;; apply scale and offset to a list of x y values
;;
(define (vg:scale-offset-xy lstxy sx sy ox oy)
(if (> (length lstxy) 1) ;; have at least one xy pair
(let loop ((x (car lstxy))
(y (cadr lstxy))
(tal (cddr lstxy))
(res '()))
(let ((newres (cons (vg:scale-offset y sy oy)
(cons (vg:scale-offset x sx ox)
res))))
(if (> (length tal) 1)
(loop (car tal)(cadr tal)(cddr tal) newres)
(reverse newres))))
'()))
;; apply drawing offset and scaling to the points in lstxy
;;
(define (vg:drawing-apply-scale drawing lstxy)
(vg:scale-offset-xy
lstxy
(vg:drawing-scalex drawing)
(vg:drawing-scaley drawing)
(vg:drawing-xoff drawing)
(vg:drawing-yoff drawing)))
;; apply instance offset and scaling to the points in lstxy
;;
(define (vg:inst-apply-scale inst lstxy)
(vg:scale-offset-xy
lstxy
(vg:inst-scalex inst)
(vg:inst-scaley inst)
(vg:inst-xoff inst)
(vg:inst-yoff inst)))
;; apply both drawing and instance scaling to a list of xy points
;;
(define (vg:drawing-inst-apply-scale-offset drawing inst lstxy)
(vg:drawing-apply-scale
drawing
(vg:inst-apply-scale inst lstxy)))
;;======================================================================
;; objects
;;======================================================================
;; (vg:inst-apply-scale
;; inst
;; (vg:drawing-apply-scale drawing lstxy)))
;; make a rectangle obj
;;
(define (vg:make-rect-obj x1 y1 x2 y2 #!key (line-color #f)(fill-color #f)(text #f)(font #f)(extents #f))
(make-vg:obj type: 'r pts: (list x1 y1 x2 y2) text: text font: font line-color: line-color fill-color: fill-color extents: extents))
;; make a rectangle obj
;;
(define (vg:make-line-obj x1 y1 x2 y2 #!key (line-color #f)(fill-color #f)(text #f)(font #f)(extents #f))
(make-vg:obj type: 'l pts: (list x1 y1 x2 y2) text: text font: font line-color: line-color extents: extents))
;; make a text obj
;;
(define (vg:make-text-obj x1 y1 text #!key (line-color #f)(fill-color #f)
(angle #f)(scale-with-zoom #f)(font #f)
(font-size #f))
(make-vg:obj type: 't pts: (list x1 y1) text: text
line-color: line-color fill-color: fill-color
angle: angle font: font extents: #f
attributes: (vg:make-attrib 'font-size font-size)))
;; proc takes startnum and endnum and yields scalef, per-grad and unitname
;;
(define (vg:make-xaxis-obj x1 y1 x2 y2 #!key (line-color #f)(fill-color #f)(text #f)(font #f)(proc #f))
(make-vg:obj type: 'x pts: (list x1 y1 x2 y2) text: text font: font line-color: line-color fill-color: fill-color extents: #f proc: proc))
;;======================================================================
;; obj modifiers and queries
;;======================================================================
;; get extents, use knowledge of type ...
;;
(define (vg:obj-get-extents drawing obj)
(let ((type (vg:obj-type obj)))
(case type
((l)(vg:rect-get-extents obj))
((r)(vg:rect-get-extents obj))
((t)(vg:draw-text drawing obj draw: #f))
(else #f))))
(define (vg:rect-get-extents obj)
(vg:obj-pts obj)) ;; extents are just the points for a rectangle
(define (vg:grow-rect borderx bordery x1 y1 x2 y2)
(list
(- x1 borderx)
(- y1 bordery)
(+ x2 borderx)
(+ y2 bordery)))
(define (vg:make-attrib . attrib-list)
#f)
;;======================================================================
;; components
;;======================================================================
;; add obj to comp
;;
(define (vg:add-objs-to-comp comp . objs)
(vg:comp-objs-set! comp (append (vg:comp-objs comp) objs)))
(define (vg:add-obj-to-comp comp obj)
(vg:comp-objs-set! comp (cons obj (vg:comp-objs comp))))
;; use the struct. leave this here to remind of this!
;;
;; (define (vg:comp-get-objs comp)
;; (vg:comp-objs comp))
;; add comp to lib
;;
(define (vg:add-comp-to-lib lib compname comp)
(hash-table-set! (vg:lib-comps lib) compname comp))
;; instanciate component in drawing
;;
(define (vg:instantiate drawing libname compname instname xoff yoff #!key (theta 0)(scalex 1)(scaley 1)(mirrx #f)(mirry #f))
(let ((inst (make-vg:inst libname: libname compname: compname xoff: xoff yoff: yoff theta: theta scalex: scalex scaley: scaley mirrx: mirrx mirry: mirry)) )
(hash-table-set! (vg:drawing-insts drawing) instname inst)))
(define (vg:instance-move drawing instname newx newy)
(let ((inst (hash-table-ref (vg:drawing-insts drawing) instname)))
(vg:inst-xoff-set! inst newx)
(vg:inst-yoff-set! inst newy)))
;; get component from drawing (look in apropriate lib) given libname and compname
(define (vg:get-component drawing libname compname)
(let* ((lib (hash-table-ref (vg:drawing-libs drawing) libname))
(inst (hash-table-ref (vg:lib-comps lib) compname)))
inst))
(define (vg:get-extents-for-objs drawing objs)
(if (or (not objs)
(null? objs))
#f
(let loop ((hed (car objs))
(tal (cdr objs))
(extents (vg:obj-get-extents drawing (car objs))))
(let ((newextents
(vg:get-extents-for-two-rects
extents
(vg:obj-get-extents drawing hed))))
(if (null? tal)
extents
(loop (car tal)(cdr tal) newextents))))))
;; (let ((extents #f))
;; (for-each
;; (lambda (obj)
;; (set! extents
;; (vg:get-extents-for-two-rects
;; extents
;; (vg:obj-get-extents drawing obj))))
;; objs)
;; extents))
;; given rectangles r1 and r2, return the box that bounds both
;;
(define (vg:get-extents-for-two-rects r1 r2)
(if (not r1)
r2
(if (not r2)
r1 ;; #f ;; no extents from #f #f
(list (min (car r1)(car r2)) ;; llx
(min (cadr r1)(cadr r2)) ;; lly
(max (caddr r1)(caddr r2)) ;; ulx
(max (cadddr r1)(cadddr r2)))))) ;; uly
(define (vg:components-get-extents drawing . comps)
(if (null? comps)
#f
(let loop ((hed (car comps))
(tal (cdr comps))
(extents #f))
(let* ((objs (vg:comp-objs hed))
(newextents (if extents
(vg:get-extents-for-two-rects
extents
(vg:get-extents-for-objs drawing objs))
(vg:get-extents-for-objs drawing objs))))
(if (null? tal)
newextents
(loop (car tal)(cdr tal) newextents))))))
;;======================================================================
;; libraries
;;======================================================================
;; register lib with drawing
;;
(define (vg:add-lib drawing libname lib)
(hash-table-set! (vg:drawing-libs drawing) libname lib))
(define (vg:get-lib drawing libname)
(hash-table-ref/default (vg:drawing-libs drawing) libname #f))
(define (vg:get/create-lib drawing libname)
(let ((lib (vg:get-lib drawing libname)))
(if lib
lib
(let ((newlib (vg:lib-new)))
(vg:add-lib drawing libname newlib)
newlib))))
;;======================================================================
;; map objects given offset, scale and mirror, resulting obj is displayed
;;======================================================================
;; dispatch the drawing of obj off to the correct drawing routine
;;
(define (vg:map-obj drawing inst obj)
(case (vg:obj-type obj)
((l)(vg:map-line drawing inst obj))
((r)(vg:map-rect drawing inst obj))
((t)(vg:map-text drawing inst obj))
((x)(vg:map-xaxis drawing inst obj))
(else #f)))
;; given a drawing and a inst map a rectangle to it screen coordinates
;;
(define (vg:map-rect drawing inst obj)
(let ((res (make-vg:obj type: 'r ;; is there a defstruct copy?
fill-color: (vg:obj-fill-color obj)
text: (vg:obj-text obj)
line-color: (vg:obj-line-color obj)
font: (vg:obj-font obj)))
(pts (vg:obj-pts obj)))
(vg:obj-pts-set! res (vg:drawing-inst-apply-scale-offset drawing inst pts))
(vg:drawing-cache-set! drawing (cons res (vg:drawing-cache drawing) ))
res))
;; given a drawing and a inst map a line to it screen coordinates
;;
(define (vg:map-line drawing inst obj)
(let ((res (make-vg:obj type: 'l ;; is there a defstruct copy?
line-color: (vg:obj-line-color obj)
font: (vg:obj-font obj)))
(pts (vg:obj-pts obj)))
(vg:obj-pts-set! res (vg:drawing-inst-apply-scale-offset drawing inst pts))
(vg:drawing-cache-set! drawing (cons res (vg:drawing-cache drawing) ))
res))
;; given a drawing and a inst map a text to it screen coordinates
;;
(define (vg:map-text drawing inst obj)
(let ((res (make-vg:obj type: 't
fill-color: (vg:obj-fill-color obj)
text: (vg:obj-text obj)
line-color: (vg:obj-line-color obj)
font: (vg:obj-font obj)
angle: (vg:obj-angle obj)
attrib: (vg:obj-attrib obj)))
(pts (vg:obj-pts obj)))
(vg:obj-pts-set! res (vg:drawing-inst-apply-scale-offset drawing inst pts))
(vg:drawing-cache-set! drawing (cons res (vg:drawing-cache drawing)))
res))
;; given a drawing and a inst map a line to it screen coordinates
;;
(define (vg:map-xaxis drawing inst obj)
(let ((res (make-vg:obj type: 'x ;; is there a defstruct copy?
line-color: (vg:obj-line-color obj)
font: (vg:obj-font obj)))
(pts (vg:obj-pts obj)))
(vg:obj-pts-set! res (vg:drawing-inst-apply-scale-offset drawing inst pts))
(vg:drawing-cache-set! drawing (cons res (vg:drawing-cache drawing) ))
res))
;;======================================================================
;; instances
;;======================================================================
(define (vg:instances-get-extents drawing . instance-names)
(let ((xtnt-lst (vg:draw drawing #f)))
(if (null? xtnt-lst)
#f
(let loop ((extents (car xtnt-lst))
(tal (cdr xtnt-lst))
(llx #f)
(lly #f)
(ulx #f)
(uly #f))
(let ((nllx (if llx (min llx (list-ref extents 0))(list-ref extents 0)))
(nlly (if lly (min lly (list-ref extents 1))(list-ref extents 1)))
(nulx (if ulx (max ulx (list-ref extents 2))(list-ref extents 2)))
(nuly (if uly (max uly (list-ref extents 3))(list-ref extents 3))))
(if (null? tal)
(list llx lly ulx uly)
(loop (car tal)(cdr tal) nllx nlly nulx nuly)))))))
(define (vg:lib-get-component lib instname)
(hash-table-ref/default (vg:lib-comps lib) instname #f))
;;======================================================================
;; color
;;======================================================================
(define (vg:rgb->number r g b #!key (a 0))
(bitwise-ior
(arithmetic-shift a 24)
(arithmetic-shift r 16)
(arithmetic-shift g 8)
b))
;; Obsolete function
;;
(define (vg:generate-color)
(vg:rgb->number (random 255)
(random 255)
(random 255)))
;; Need to return a string of random iup-color for graph
;;
(define (vg:generate-color-rgb)
(conc (number->string (random 255)) " "
(number->string (random 255)) " "
(number->string (random 255))))
(define (vg:iup-color->number iup-color)
(apply vg:rgb->number (map string->number (string-split iup-color))))
;;======================================================================
;; graphing
;;======================================================================
(define (vg:make-xaxis drawing component x1 y1 x2 y2 startnum endnum scaleproc)
(let ((obj (vg:make-xaxis-obj x1 y1 x2 y2)))
#f))
;;======================================================================
;; Unravel and draw the objects
;;======================================================================
;; with get-extents = #t return the extents
;; with draw = #f don't actually draw the object
;;
(define (vg:draw-obj drawing obj #!key (draw #t))
;; (print "obj type: " (vg:obj-type obj))
(case (vg:obj-type obj)
((l)(vg:draw-line drawing obj draw: draw))
((r)(vg:draw-rect drawing obj draw: draw))
((t)(vg:draw-text drawing obj draw: draw))))
;; given a rect obj draw it on the canvas applying first the drawing
;; scale and offset
;;
(define (vg:draw-rect drawing obj #!key (draw #t))
(let* ((cnv (vg:drawing-cnv drawing))
(pts (vg:drawing-apply-scale drawing (vg:obj-pts obj)))
(fill-color (vg:obj-fill-color obj))
(line-color (vg:obj-line-color obj))
(text (vg:obj-text obj))
(font (vg:obj-font obj))
(llx (car pts))
(lly (cadr pts))
(ulx (caddr pts))
(uly (cadddr pts))
(w (- ulx llx))
(h (- uly lly))
(text-xmax #f)
(text-ymax #f))
(if draw
(let ((prev-background-color (canvas-background cnv))
(prev-foreground-color (canvas-foreground cnv)))
(if fill-color
(begin
(canvas-foreground-set! cnv fill-color)
(canvas-box! cnv llx ulx lly uly))) ;; docs are all over the place on this one.;; w h)
(if line-color
(canvas-foreground-set! cnv line-color)
(if fill-color
(canvas-foreground-set! cnv prev-foreground-color)))
(canvas-rectangle! cnv llx ulx lly uly)
(canvas-foreground-set! cnv prev-foreground-color)
(if text
(let* ((prev-font (canvas-font cnv))
(font-changed (and font (not (equal? font prev-font)))))
(if font-changed (canvas-font-set! cnv font))
(canvas-text! cnv (+ 2 llx)(+ 2 lly) text)
(if (eq? draw 'get-extents)
(let-values (((xmax ymax)(canvas-text-size cnv text)))
(set! text-xmax xmax)(set! text-ymax ymax)))
(if font-changed (canvas-font-set! cnv prev-font))))))
;; (print "text-xmax: " text-xmax " text-ymax: " text-ymax)
(if (vg:obj-extents obj)
(vg:obj-extents obj)
(if (not text)
pts ;; no text
(if (and text-xmax text-ymax) ;; have text
(let ((xt (list llx lly
(max ulx (+ llx text-xmax))
(max uly (+ lly text-ymax)))))
(vg:obj-extents-set! obj xt)
xt)
(if cnv
(if (eq? draw 'get-extents)
(let-values (((xmax ymax)(canvas-text-size cnv text)))
(let ((xt (list llx lly
(max ulx (+ llx xmax))
(max uly (+ lly ymax)))))
(vg:obj-extents-set! obj xt)
xt))
pts)
pts)))))) ;; return extents
;; given a rect obj draw it on the canvas applying first the drawing
;; scale and offset
;;
(define (vg:draw-line drawing obj #!key (draw #t))
(let* ((cnv (vg:drawing-cnv drawing))
(pts (vg:drawing-apply-scale drawing (vg:obj-pts obj)))
;; (fill-color (vg:obj-fill-color obj))
(line-color (vg:obj-line-color obj))
(text (vg:obj-text obj))
(font (vg:obj-font obj))
(llx (car pts))
(lly (cadr pts))
(ulx (caddr pts))
(uly (cadddr pts))
(w (- ulx llx))
(h (- uly lly))
(text-xmax #f)
(text-ymax #f))
(if draw
(let ((prev-background-color (canvas-background cnv))
(prev-foreground-color (canvas-foreground cnv)))
;; (if fill-color
;; (begin
;; (canvas-foreground-set! cnv fill-color)
;; (canvas-box! cnv llx ulx lly uly))) ;; docs are all over the place on this one.;; w h)
(if line-color
(canvas-foreground-set! cnv line-color))
;; (if fill-color
;; (canvas-foreground-set! cnv prev-foreground-color)))
(canvas-line! cnv llx lly ulx uly)
(canvas-foreground-set! cnv prev-foreground-color)
(if text
(let* ((prev-font (canvas-font cnv))
(font-changed (and font (not (equal? font prev-font)))))
(if font-changed (canvas-font-set! cnv font))
(canvas-text! cnv (+ 2 llx)(+ 2 lly) text)
(let-values (((xmax ymax)(canvas-text-size cnv text)))
(set! text-xmax xmax)(set! text-ymax ymax))
(if font-changed (canvas-font-set! cnv prev-font))))))
;; (print "text-xmax: " text-xmax " text-ymax: " text-ymax)
(if (vg:obj-extents obj)
(vg:obj-extents obj)
(if (not text)
pts
(if (and text-xmax text-ymax)
(let ((xt (list llx lly
(max ulx (+ llx text-xmax))
(max uly (+ lly text-ymax)))))
(vg:obj-extents-set! obj xt)
xt)
(if cnv
(let-values (((xmax ymax)(canvas-text-size cnv text)))
(let ((xt (list llx lly
(max ulx (+ llx xmax))
(max uly (+ lly ymax)))))
(vg:obj-extents-set! obj xt)
xt))
pts)))))) ;; return extents
;; given a rect obj draw it on the canvas applying first the drawing
;; scale and offset
;;
(define (vg:draw-xaxis drawing obj #!key (draw #t))
(let* ((cnv (vg:drawing-cnv drawing))
(pts (vg:drawing-apply-scale drawing (vg:obj-pts obj)))
;; (fill-color (vg:obj-fill-color obj))
(line-color (vg:obj-line-color obj))
(text (vg:obj-text obj))
(font (vg:obj-font obj))
(llx (car pts))
(lly (cadr pts))
(ulx (caddr pts))
(uly (cadddr pts))
(w (- ulx llx))
(h (- uly lly))
(text-xmax #f)
(text-ymax #f))
(if draw
(let ((prev-background-color (canvas-background cnv))
(prev-foreground-color (canvas-foreground cnv)))
;; (if fill-color
;; (begin
;; (canvas-foreground-set! cnv fill-color)
;; (canvas-box! cnv llx ulx lly uly))) ;; docs are all over the place on this one.;; w h)
(if line-color
(canvas-foreground-set! cnv line-color)
#;(if fill-color
(canvas-foreground-set! cnv prev-foreground-color)))
(canvas-line! cnv llx ulx lly uly)
(canvas-foreground-set! cnv prev-foreground-color)
(if text
(let* ((prev-font (canvas-font cnv))
(font-changed (and font (not (equal? font prev-font)))))
(if font-changed (canvas-font-set! cnv font))
(canvas-text! cnv (+ 2 llx)(+ 2 lly) text)
(let-values (((xmax ymax)(canvas-text-size cnv text)))
(set! text-xmax xmax)(set! text-ymax ymax))
(if font-changed (canvas-font-set! cnv prev-font))))))
;; (print "text-xmax: " text-xmax " text-ymax: " text-ymax)
(if (vg:obj-extents obj)
(vg:obj-extents obj)
(if (not text)
pts
(if (and text-xmax text-ymax)
(let ((xt (list llx lly
(max ulx (+ llx text-xmax))
(max uly (+ lly text-ymax)))))
(vg:obj-extents-set! obj xt)
xt)
(if cnv
(let-values (((xmax ymax)(canvas-text-size cnv text)))
(let ((xt (list llx lly
(max ulx (+ llx xmax))
(max uly (+ lly ymax)))))
(vg:obj-extents-set! obj xt)
xt))
pts)))))) ;; return extents
;; given a rect obj draw it on the canvas applying first the drawing
;; scale and offset
;;
(define (vg:draw-text drawing obj #!key (draw #t))
(let* ((cnv (vg:drawing-cnv drawing))
(pts (vg:drawing-apply-scale drawing (vg:obj-pts obj)))
(text (vg:obj-text obj))
(font (vg:obj-font obj))
(fill-color (vg:obj-fill-color obj))
(line-color (vg:obj-line-color obj))
(llx (car pts))
(lly (cadr pts)))
(if draw
(let* ((prev-background-color (canvas-background cnv))
(prev-foreground-color (canvas-foreground cnv))
(prev-font (canvas-font cnv))
(font-changed (and font (not (equal? font prev-font)))))
(if line-color
(canvas-foreground-set! cnv line-color)
(if fill-color
(canvas-foreground-set! cnv prev-foreground-color)))
(if font-changed (canvas-font-set! cnv font))
(canvas-text! cnv llx lly text)
;; NOTE: we do not set the font back!!
(canvas-foreground-set! cnv prev-foreground-color)))
(if cnv
(if (eq? draw 'get-extents)
(let-values (((xmax ymax)(canvas-text-size cnv text)))
(append pts (list (+ llx xmax)(+ lly ymax)))) ;; will be wrong if text is rotated?
(append pts pts))
(append pts pts))))
(define (vg:draw-inst drawing inst #!key (draw-mode #t)(prev-extents '()))
(let* ((libname (vg:inst-libname inst))
(compname (vg:inst-compname inst))
(comp (vg:get-component drawing libname compname))
(objs (vg:comp-objs comp)))
;; (print "comp: " comp)
(if (null? objs)
prev-extents
(let loop ((obj (car objs))
(tal (cdr objs))
(res prev-extents))
(let* ((obj-xfrmd (vg:map-obj drawing inst obj))
(newres (cons (vg:draw-obj drawing obj-xfrmd draw: draw-mode) res)))
(if (null? tal)
newres
(loop (car tal)(cdr tal) newres)))))))
(define (vg:draw drawing draw-mode . instnames)
(let* ((insts (vg:drawing-insts drawing))
(all-inst-names (hash-table-keys insts))
(master-list (if (null? instnames)
all-inst-names
instnames)))
(if (null? master-list)
'()
(let loop ((instname (car master-list))
(tal (cdr master-list))
(res '()))
(let* ((inst (hash-table-ref/default insts instname #f))
(newres (if inst
(vg:draw-inst drawing inst draw-mode: draw-mode prev-extents: res)
res)))
(if (null? tal)
newres
(loop (car tal)(cdr tal) newres)))))))
)
|