summaryrefslogtreecommitdiff
path: root/support/qfig/src/qfig.bas
blob: 281f2d5f38e53ba8e3f4449ec36e4f0b15ff2fdf (plain)
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
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
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
'****************************************************************************
' qfig.bas  <-- bfig.bas <-- motivated by "xfig" on X-*indow of UN*X
'                2/21/1993        T.Iwakuma (bear@hashi1.civil.tohoku.ac.jp)
'****************************************************************************
' "mouse.obj" and "graph.obj" must be "link"ed and "lib"ed to make
'            "qfig.lib" as well as "qfig.qlb".
'                       interpreter must be activated as "qb /lqfig"
'****************************************************************************
'$INCLUDE: 'QB.BI'
'$DYNAMIC
'$INCLUDE: 'MOUSE.BI'
'$INCLUDE: 'QFIG.BI'
'****************************************************************************
qfigtitle$ = "qfig Ver.1.1a (3/24/1997)"
'qfigtitle1$ = "modified for J-3100/IBM compatible PCs"
qfigtitle2$ = "by: William Ofosu-Amaah"
'qfigtitle3$ = "from: qfig NEC Ver.0.9c+1 (3/20/1993)"
'qfigtitle4$ = "by: Mr T.Iwakuma (bear@hashi1.tohoku.ac.jp)"
qfigtitle5$ = "(XI6W-OFSA@asahi-net.or.jp)"
'****************************************************************************
'
IF INSTR(COMMAND$, "/?") <> 0 THEN
   whelp
   END
END IF

Preparation
'                                                                   key call
ON KEY(1) GOSUB f.1
ON KEY(2) GOSUB f.2
ON KEY(3) GOSUB f.3
ON KEY(4) GOSUB f.4
ON KEY(5) GOSUB f.5
ON KEY(6) GOSUB f.6
ON KEY(7) GOSUB f.7
ON KEY(8) GOSUB f.8
ON KEY(9) GOSUB f.9
ON KEY(10) GOSUB f.10
ON KEY(15) GOSUB fnctn:  KEY 15, CHR$(&H0) + CHR$(&H1) 'ESC
ON KEY(16) GOSUB redraw: KEY 16, CHR$(&H4) + CHR$(&H13) 'CTRL+R
ON KEY(17) GOSUB Help: KEY 17, CHR$(&H4) + CHR$(&H23) 'CTRL+H
ON KEY(19) GOSUB quit: KEY 19, CHR$(&H4) + CHR$(&H10) 'CTRL+Q
ON KEY(20) GOSUB clreset: KEY 20, CHR$(&H4) + CHR$(&H1F) 'CTRL+S
ON KEY(22) GOSUB stext:     KEY 22, CHR$(&H4) + CHR$(&H14)'CTRL+T
ON KEY(24) GOSUB widewindow: KEY 24, CHR$(&H4) + CHR$(&H11) 'CTRL+W
KeySwitch 1
KEY(8) ON: KEY(9) ON: KEY(10) ON: KEY(17) ON: KEY(19) ON
KEY OFF
ON ERROR GOTO somethingwrong
'                                                           mouse activation
IF MouseReady% THEN                           '<=== when Mouse is used
  MouseInit                                   '|
  MouseMode 1                                 '|
  MouseHide                                   '|
  MouseBorder pymin%, pxmin%, pymax%, pxmax%  '|
  MouseLocate py%, px%                        '|
  mouswitch% = -1                             '|
END IF                                        '<=== when Mouse is used

SCREEN scrtype%
GOSUB title
VIEW SCREEN (0, 0)-(windowx%(0), windowy%(0))
WINDOW SCREEN (0, 0)-(windowx%(0), windowy%(0))
CL.R.edraw 0, 0
SetInst -1

'                                                         Main infinite LOOP
DO
  pxold% = px%: pyold% = py%
  keyin% = KeyIsTyped%
  IF ((keyin% > 4) AND (job% = 0)) THEN
	ON keyin% - 4 GOSUB rollup, rolldown, leftmost, rightmost
  END IF
  IF keyin% = 2 OR keyin% = 3 THEN
	qx% = INT(CSNG(px% - pxo%) / wndwxy(wndwfctr%) + .9)
	qy% = INT(CSNG(py% - pyo%) / wndwxy(wndwfctr%) + .9)
	IF qy% > windowy%(0) - 48 THEN
	  IF qx% < 15 THEN
		IF py% >= pymax% - 4 THEN GOSUB rolldown
	  ELSEIF qx% < 295 THEN
		i% = INT((CSNG(qx%) + 41!) / 56!)
		IF qx% < 56 * i% + 8 THEN
		  GOSUB setbymouse
		  ON i% GOSUB f.1, f.2, f.3, f.4, f.5
		END IF
	  ELSEIF qx% > 366 THEN
		i% = INT((CSNG(qx%) - 31!) / 56!)
		IF qx% < 56 * i% + 80 THEN
		  GOSUB setbymouse
		  ON i% - 5 GOSUB f.6, f.7, f.8, f.9, f.10
		END IF
	  END IF
	ELSEIF py% <= pymin% + 4 THEN
	  IF px% <= pxmin% + 4 THEN
		dwndwfctr% = 1
		GOSUB widewindowbymouse
	  ELSEIF px% >= pxmax% - 4 THEN
		dwndwfctr% = -1
		GOSUB widewindowbymouse
	  ELSE
		GOSUB rollup
	  END IF
	ELSEIF px% <= pxmin% + 4 THEN
	  GOSUB leftmost
	ELSEIF px% >= pxmax% - 4 THEN
	  GOSUB rightmost
	END IF
  END IF
  CursorDisplay pxold%, pyold%
  CursorDisplay px%, py%
LOOP
'                                                show or not show text
stext:
KeySwitch 0
IF wtext% = 0 THEN
   wtext% = 1
ELSE
   wtext% = 0
END IF
CL.R.edraw 0, 0
KeySwitch 1
RETURN
'                                                           command by mouse
setbymouse:
IF py% - pyo% < windowy%(wndwfctr%) - INT(32! * wndwxy(wndwfctr%) + .9) THEN
  func% = 0: func1% = 0: GOSUB fnctn1  'Top Line of Function row
ELSEIF py% - pyo% < windowy%(wndwfctr%) - INT(16! * wndwxy(wndwfctr%) + .9) THEN
  func% = 1: func1% = 1: GOSUB fnctn1 'Middle Line
ELSE
  func% = 2: func1% = 1: GOSUB fnctn1 'Bottom Line
END IF

RETURN
'                                                            clear and reset
clreset:
LOCATE 12, 30: PRINT " Are you sure (Y/N) " '; CHR$(7);
DO: a$ = KeyIsTouched$
LOOP UNTIL a$ = CHR$(CR) OR (a$ <> "" AND INSTR("YyNn", a$) <> 0)
IF UCASE$(a$) = "Y" THEN
  nobj% = 0
  CL.R.edraw 0, 0: SetInst -1
ELSE
  GOSUB redraw
END IF
 RETURN
'                                                                     ending
quit:
QUIT0
RETURN
'
quit1:
IF mouswitch% THEN MouseHide: MouseInit         '<=== when Mouse is used
KeySwitch 0: KEY(8) OFF: KEY(9) OFF: KEY(10) OFF: KEY(17) OFF: KEY(19) OFF
RETURN
'
title:
deg = 3.14 / 180
IF ega% = 0 THEN
 cf% = 12
 cb% = 15
 cs% = 1
 cline% = 1
 ytext% = 16
ELSE
 cf% = 4
 cb% = 7
 cs% = 0
 cline% = 1
 ytext% = 18
END IF
'cl% and cb% should never be the same'
xlogo% = 50

PAINT (xlogo% + 135, 100), cb%
CIRCLE (xlogo% + 205, 100), 50, cline%, , , 1
CIRCLE (xlogo% + 215, 105), 50, cline%, 70 * deg, 236 * deg, 1
CIRCLE (xlogo% + 212, 103), 67, cline%, 250 * deg, 80 * deg, 1
CIRCLE (xlogo% + 200, 100), 67, cline%, , , 1
PAINT (xlogo% + 135, 100), cf%, cline%
PAINT (xlogo% + 156, 100), cs%, cline%
PAINT (xlogo% + 278, 103), cs%, cline%
LINE (xlogo% + 205, 150)-(xlogo% + 240, 180), 2
LINE (xlogo% + 190, 166)-(xlogo% + 240, 200), 2
LINE (xlogo% + 240, 180)-(xlogo% + 290, 170), 2
LINE (xlogo% + 240, 200)-(xlogo% + 290, 170), 2
LINE (xlogo% + 205, 150)-(xlogo% + 190, 166), 2
PAINT (xlogo% + 240, 198), cf%, 2
LINE (xlogo% + 205, 150)-(xlogo% + 190, 166), cf%
LINE (xlogo% + 205, 150)-(xlogo% + 240, 180), cline%
LINE (xlogo% + 190, 166)-(xlogo% + 240, 200), cline%
LINE (xlogo% + 240, 180)-(xlogo% + 290, 170), cline%
LINE (xlogo% + 240, 200)-(xlogo% + 290, 170), cline%
LINE -STEP(3, 8), cline%
LINE -STEP(-50, 30), cline%
LINE -STEP(-30, -25), cline%
PAINT (xlogo% + 290, 172), cs%, cline%
CIRCLE (xlogo% + 193, 165), 20, cline%, 48 * deg, 113 * deg, 1
PAINT (xlogo% + 193, 147), cf%, cline%
CIRCLE (xlogo% + 205, 100), 50, cf%, 250 * deg, 270 * deg, 1
LINE (xlogo% + 280, 160)-(xlogo% + 285, 130), cline%
LINE -STEP(-5, 0), cline%
LINE -STEP(2, -8), cline%
LINE -STEP(40, 0), cline%
LINE -STEP(-3, 8), cline%
LINE -STEP(-20, 0), cline%
LINE -STEP(-1, 7), cline%
LINE -STEP(15, 0), cline%
LINE -STEP(-2, 6), cline%
LINE -STEP(-13, 0), cline%
LINE -STEP(-3, 17), cline%
LINE -STEP(-14, 0), cline%
PAINT (xlogo% + 282, 159), cf%, cline%
LINE (xlogo% + 326, 160)-(xlogo% + 331, 122), cline%
LINE -STEP(10, 0), cline%
LINE -STEP(-5, 38), cline%
LINE -STEP(-10, 0), cline%
PAINT (xlogo% + 328, 158), cf%, cline%
CIRCLE (xlogo% + 367, 140), 17, cline%, 36 * deg, 160 * deg, 1
CIRCLE (xlogo% + 368, 138), 8, cline%, 25 * deg, 160 * deg, 1
LINE (xlogo% + 350, 135)-(xlogo% + 348, 149), cline%
LINE (xlogo% + 361, 135)-(xlogo% + 357, 147), cline%
LINE (xlogo% + 375, 135)-(xlogo% + 382, 135), cline%
LINE -STEP(-1, -4), cline%
CIRCLE (xlogo% + 365, 143), 17, cline%, 200 * deg, 335 * deg, 1
CIRCLE (xlogo% + 366, 144), 8, cline%, 200 * deg, 335 * deg, 1
LINE (xlogo% + 373, 146)-(xlogo% + 367, 146), cline%
LINE -STEP(2, -4), cline%
LINE -STEP(20, 0), cline%
LINE -STEP(-2, 4), cline%
LINE -STEP(-6, 0), cline%
LINE -STEP(0, 3), cline%
PAINT (xlogo% + 377, 133), cf%, cline%

PSET (xlogo% + 120, 210), cline%
LINE -STEP(58, 0), cline%
PSET (xlogo% + 120, 210), cline%
LINE -STEP(12, 11), cline%
LINE -STEP(-12, 11), cline%
LINE -STEP(55, 0), cline%
CIRCLE (xlogo% + 178, 213), 3, cline%, 270 * deg, 90 * deg, 1
CIRCLE (xlogo% + 178, 219), 3, cline%, 90 * deg, 270 * deg, 1
LINE (xlogo% + 181, 213)-(xlogo% + 181, 224), cline%
LINE (xlogo% + 175, 219)-(xlogo% + 175, 250), cline%
CIRCLE (xlogo% + 250, 0), 234, cline%, 252 * deg, 288 * deg, 1
PAINT (xlogo% + 126, 214), cf%, cline%
PAINT (xlogo% + 176, 219), cf%, cline%
PSET (xlogo% + 320, 210), cline%
LINE -STEP(60, 0), cline%
PSET (xlogo% + 380, 210), cline%
LINE -STEP(-12, 11), cline%
LINE -STEP(12, 11), cline%
LINE -STEP(-57, 0), cline%
CIRCLE (xlogo% + 320, 219), 3, cline%, 270 * deg, 90 * deg, 1
CIRCLE (xlogo% + 320, 213), 3, cline%, 90 * deg, 270 * deg, 1
LINE (xlogo% + 317, 213)-(xlogo% + 317, 225), cline%
LINE (xlogo% + 323, 219)-(xlogo% + 323, 250), cline%
CIRCLE (xlogo% + 250, 0), 260, cline%, 253.5 * deg, 286.4 * deg, 1
PAINT (xlogo% + 321, 219), cf%, cline%
PAINT (xlogo% + 320, 226), cf%, cline%
PAINT (xlogo% + 376, 212), cf%, cline%
s$ = "Version 1.1a"
DIM inRegs AS RegType, outRegs AS RegType
LOCATE ytext%, 27 + INT(xlogo% / 8)
inRegs.bx = &H80 + (cf%)
FOR i = 1 TO LEN(s$)
  inRegs.ax = &HE00 + ASC(MID$(s$, i, 1))
  CALL INTERRUPT(&H10, inRegs, outRegs)
NEXT i
SLEEP 1
CLS 0: RETURN

'                                                      alternative functions
fnctn:
func% = (func% + 1) MOD 3
fnctn1:
LOCATE line2%, 2: PRINT " "; : COLOR 7
LOCATE line1%, 2: PRINT " "; : COLOR 7
LOCATE line1% + 1, 2: PRINT " "; : COLOR 7
LOCATE line2% + func%, 2: COLOR 6: PRINT "@"; : RETURN
'LOCATE line2% + func1%, 2: PRINT " "; : COLOR 7: RETURN

'fnctn: SWAP func%, func1%
'LOCATE line2% + func%, 2: COLOR 6: PRINT "@";
'LOCATE line2% + func1%, 2: PRINT " "; : COLOR 7: RETURN

'                                                                 need help?
Help: Help.Me: RETURN
'                                                                     redraw
redraw: CL.R.edraw 0, 0: RETURN
'                                                                   grouping
'grouping: G.Group: GOTO f.end
'                                                         rollup/down screen
rollup:
IF pymin% - vscroll% < 0 THEN RETURN
ipy% = -vscroll%: GOTO updown
rolldown:
IF pymax% + vscroll% > REGIONYMAX THEN RETURN
ipy% = vscroll%
updown:
pyo% = pyo% + ipy%: py% = py% + ipy%
row% = row% + ipy%: pyold% = pyold% + ipy%
pymin% = pyo% + INT(margin% * wndwxy(wndwfctr%) + .9)
pymax% = pyo% + windowy%(wndwfctr%) - INT(margin% * wndwxy(wndwfctr%) + .9)
pymax2% = pyo% + windowy%(wndwfctr%) - INT(margin% * wndwxy(wndwfctr%) + .9) - texth% * 3 * INT(wndwxy(wndwfctr%) + .9) - 21
GOTO rst.scrn
'                                                     move left/right screen
leftmost:
IF pxmin% - hscroll% < 0 THEN RETURN
ipx% = -hscroll%: GOTO leftright
rightmost:
IF pxmax% + hscroll% > REGIONXMAX THEN RETURN
ipx% = hscroll%
leftright:
pxo% = pxo% + ipx%: px% = px% + ipx%
col% = col% + ipx%: pxold% = pxold% + ipx%
pxmin% = pxo% + INT(margin% * wndwxy(wndwfctr%) + .9)
pxmax% = pxo% + windowx%(wndwfctr%) - INT(margin% * wndwxy(wndwfctr%) + .9)
'                                                               reset   screen
rst.scrn:
IF mouswitch% THEN                             '<=== when Mouse is used
  MouseBorder pymin%, pxmin%, pymax%, pxmax%   '|
END IF                                         '<=== when Mouse is used
WINDOW SCREEN (pxo%, pyo%)-(pxo% + windowx%(wndwfctr%), pyo% + windowy%(wndwfctr%))
CL.R.edraw 0, 0
RETURN
'                                                      widen window by mouse
widewindowbymouse:
wndwfctr% = wndwfctr% + dwndwfctr%
IF wndwfctr% > UBOUND(wndwxy) THEN wndwfctr% = 0
IF wndwfctr% < LBOUND(wndwxy) THEN wndwfctr% = UBOUND(wndwxy)
GOTO windowide
'                                                               widen window
widewindow:
KeySwitch 0
KEY(17) OFF: KEY(19) OFF   'Also disable Help, Quit
CLS 0
PRINT "Reduction rate:"
FOR i% = 0 TO 3: PRINT TAB(4); i%; " : "; INT(1000 / wndwxy(i%)) / 10;
PRINT TAB(16); "%": NEXT i%
PRINT "Select one [0-3]"
DO: a$ = INKEY$: LOOP UNTIL a$ <> "" AND INSTR("0123", a$) <> 0
wndwfctr% = VAL(a$)
windowide:
pxmin% = pxo% + INT(margin% * wndwxy(wndwfctr%) + .9)
pxmax% = pxo% + windowx%(wndwfctr%) - INT(margin% * wndwxy(wndwfctr%) + .9)
pymin% = pyo% + INT(margin% * wndwxy(wndwfctr%) + .9)
pymax% = pyo% + windowy%(wndwfctr%) - INT(margin% * wndwxy(wndwfctr%) + .9)
pymax2% = pyo% + windowy%(wndwfctr%) - INT(margin% * wndwxy(wndwfctr%) + .9) - texth% * 3 * INT(wndwxy(wndwfctr%) + .9) - 21
IF px% > pxmax% OR px% < pxmin% THEN
  IF px% > pxmax% THEN
	px% = INT(CSNG(pxmax%) / 4!) * 4
  ELSE
	px% = INT(CSNG(pxmin%) / 4! + .9) * 4
  END IF
  pxold% = px%: col% = px%
END IF
IF py% > pymax% OR py% < pymin% THEN
  IF py% > pymax% THEN
	py% = INT(CSNG(pymax% - INT(48! * wndwxy(wndwfctr%))) / 4!) * 4
  ELSE
	py% = INT(CSNG(pymin%) / 4! + .9) * 4
  END IF
  pyold% = py%: row% = py%
END IF
KEY(17) ON: KEY(19) ON  'Renable Help, Quit
KeySwitch 1
GOTO rst.scrn
'                                                      straight lines / move
f.1:
seljob% = 1
KEY(1) OFF
IF kswitch% = 1 AND func% = 0 THEN
  linesel% = 0
  G.Curve 1, 0
ELSEIF kswitch% = 1 AND func% = 1 THEN
  linesel% = 1
  MoveObj 0
ELSE
  FillPattern
  COLOR 10
  LOCATE line1% + 1, 7: PRINT fill%;
  LOCATE line1% + 1, 3: PRINT "Fil-P";
  COLOR 7
  IF inbox% = 1 THEN
    IF fill% <> 0 THEN
	  LINE (sxg%, syg%)-(px%, py%), 2, B
	  PAINT ((sxg% + px%) / 2, (syg% + py%) / 2), 0, 2
    END IF
    LINE (sxg%, syg%)-(px%, py%), 0, BF
    LINE (sxg%, syg%)-(px%, py%), 0, BF
    IF fill% = 0 THEN
	  LINE (sxg%, syg%)-(px%, py%), 7, B
    ELSE
	  LINE (sxg%, syg%)-(px%, py%), 2, B
	  PAINT ((sxg% + px%) / 2, (syg% + py%) / 2), tlp$(fill%), 2
    END IF
  ELSEIF inbox% = 2 THEN
   obj%(nobj%, 6) = fill%
     LINE (INT(xx(nobj%, 0)), INT(yy(nobj%, 0)))-(INT(xx(nobj%, 1)), INT(yy(nobj%, 1))), 0, BF
     D.Lines INT(xx(nobj%, 0)), INT(yy(nobj%, 0)), INT(xx(nobj%, 1)), INT(yy(nobj%, 1)), 7, 2, obj%(nobj%, 4), 0, obj%(nobj%, 6), 0
  END IF
END IF
seljob% = 0
KEY(1) ON
GOTO f.end
'                                                              curves / copy
f.2:
KEY(2) OFF
IF kswitch% = 1 AND func% = 0 THEN
  seljob% = 2
  linesel% = 0
  G.Curve 2, 0
  seljob% = 0
ELSEIF kswitch% = 1 AND func% = 1 THEN
  seljob% = 2
  linesel% = 1
  MoveObj 1
  seljob% = 0
ELSE
  chartype% = chartype% + 1: IF chartype% > UBOUND(chartype$) THEN chartype% = 0
  COLOR 10: LOCATE line1% + 1, 10: PRINT chartype$(chartype%); : COLOR 7
END IF
KEY(2) ON
GOTO f.end
'                                             circle+ellipse/ symmetric copy
f.3:
KEY(3) OFF
IF kswitch% = 1 AND func% = 0 THEN
  seljob% = 3
  linesel% = 0
  G.Crcl.Ellps
  seljob% = 0
ELSEIF kswitch% = 1 AND func% = 1 THEN
  seljob% = 3
  linesel% = 1
  CopySymm
  seljob% = 0
ELSE    'Just added
  SELECT CASE charpt%
	CASE 10
	    charpt% = 12
	CASE 12
	    charpt% = 10
  END SELECT
  COLOR 10: LOCATE line1% + 1, 17: PRINT charpt%;
  LOCATE line1% + 1, 20: PRINT "pt."; : COLOR 7
END IF
KEY(3) ON
GOTO f.end
'                                                                arc/ rotate
f.4:
seljob% = 4
IF func% = 0 THEN
  linesel% = 0
  G.Arc
ELSEIF func% = 1 THEN
  linesel% = 1
  Rotate
ELSE
  COLOR 7
  GOSUB widewindow
END IF
seljob% = 0
GOTO f.end
'                                                                  box/ edit
f.5:
seljob% = 5
IF func% = 0 THEN
  linesel% = 0
  G.Box
ELSEIF func% = 1 THEN
  linesel% = 1
  EditObject
ELSE
  GOSUB stext
  SELECT CASE wtext%
     CASE 0
       COLOR 3: LOCATE line1% + 1, 31: PRINT "T_Hide"; : COLOR 7
     CASE 1
       COLOR 3: LOCATE line1% + 1, 31: PRINT "T_Show"; : COLOR 7
  END SELECT
END IF
seljob% = 0
GOTO f.end
'                                                               polygon/ cut
f.6:
seljob% = 6
IF func% = 0 THEN
  linesel% = 0
  G.Curve 1, 1
ELSEIF func% = 1 THEN
  linesel% = 1
  DispCut
ELSE
  CL.R.edraw 0, 0
END IF
seljob% = 0
GOTO f.end
'                                                         closed curve/ kill
f.7:
seljob% = 7
IF func% = 0 THEN
  linesel% = 0
  G.Curve 2, 1
ELSEIF func% = 1 THEN
  linesel% = 1
  KillObject
ELSE
  COLOR 7
  GOSUB clreset
END IF
seljob% = 0
GOTO f.end
'                                                           arrow/ line type
f.8:
IF kswitch% = 1 AND func% = 0 THEN
  seljob% = 8
  KEY(8) OFF
  linesel% = 0
  G.Arrows
  seljob% = 0
  KEY(8) ON
  GOTO f.end
ELSE
  ltype% = ltype% + 1: IF ltype% > UBOUND(ltp$) THEN ltype% = 0
  kky$(18) = ltp$(ltype%)
  COLOR 10: LOCATE line1%, 61: PRINT kky$(18); : COLOR 7
  RETURN
END IF
'                                                         strings/ thickness
f.9:
IF kswitch% = 1 AND func% = 0 THEN
  seljob% = 9
  KEY(9) OFF
  linesel% = 0
  G.Char
  seljob% = 0
  KEY(9) ON
  GOTO f.end
ELSE
  thick% = thick% + 1: IF thick% > UBOUND(lth$) THEN thick% = 0
  kky$(19) = lth$(thick%)
  COLOR 10: LOCATE line1%, 68: PRINT kky$(19); : COLOR 7
  RETURN
END IF
'                                                     file operations/ pitch
f.10:
IF kswitch% = 1 AND func% = 0 THEN
  IO.File
  GOTO f.end
ELSE
  SELECT CASE s%

	CASE 1
	    s% = 4
	    kky$(20) = "Pitch4"
	CASE 4
	    s% = 8
	    kky$(20) = "Pitch8"
	CASE 8
	    s% = 1
	    kky$(20) = "Pitch1"
  END SELECT

  COLOR 10: LOCATE line1%, 75: PRINT kky$(20); : COLOR 7
  RETURN
END IF
'
f.end: pxold% = px%: pyold% = py%
RETURN

somethingwrong:
CLOSE : OPEN "$panic$.qfg" FOR OUTPUT AS #1
wrong% = 1
CLS 0
IO.Save 3: CLOSE
wrong% = 0
COLOR 14: PRINT : PRINT
PRINT TAB(10); CHR$(7); "Ummm...  Something wrong happened..."; CHR$(7)
COLOR 7: PRINT : PRINT TAB(10); "Error code is #"; ERR
SELECT CASE ERR
  CASE 7
   PRINT : PRINT TAB(10); "Out of memory. Free some more conventional memory"
  CASE 9
   PRINT : PRINT TAB(10); "A subscript is out of range"
  CASE 52
   PRINT : PRINT TAB(10); "Illegal DOS filename"
  CASE 64
   PRINT : PRINT TAB(10); "Illegal DOS filename"

END SELECT
PRINT : PRINT TAB(10); "Objects are saved into '$panic$.qfg'"
PRINT : PRINT
SLEEP 3
GOSUB quit1: KEY ON: END

'                                                                       data
DATA 88,00,00,00,88,00,00,00
DATA CC,00,33,00,CC,00,33,00,CC,33,CC,33,CC,33,CC,33
'--------------------------------------------------------------------------
tex.pitch:
'set by \wd and \ht of \box of each character; 7/24/1992
' roman 10pt
DATA 333,278,500,833,500,833,778,250,389,389,500,778,167,778,278,500
DATA 500,500,500,500,500,500,500,500,500,500,278,278,778,778,778,472
DATA 778,750,708,722,764,681,653,785,750,386,514,778,625,917,750,778
DATA 681,778,736,556,722,750,750,1028,750,750,611,278,333,278,525,360
DATA 333,500,556,444,556,444,292,500,556,278,306,528,278,833,556,525
DATA 556,528,392,394,389,556,528,722,528,528,444,500,278,500,525
' bold 10pt
DATA 383,350,603,958,575,958,894,301,447,447,575,894,192,778,319,575
DATA 575,575,575,575,575,575,575,575,575,575,319,319,778,894,778,543
DATA 894,869,818,831,882,756,724,904,900,465,594,901,692,1092,900,864
DATA 786,864,862,639,800,885,869,1189,869,869,703,319,383,319,525,414
DATA 383,559,639,511,639,527,335,575,639,319,351,607,319,958,639,604
DATA 639,607,474,454,447,639,607,831,607,607,511,500,278,500,525
' italic 10pt
DATA 358,307,514,818,500,818,767,257,409,409,511,767,170,778,307,511
DATA 511,511,511,511,511,511,511,511,511,511,307,307,778,767,778,511
DATA 767,743,704,716,755,678,653,774,743,386,525,769,627,897,743,767
DATA 678,767,729,562,716,743,743,999,743,743,613,307,358,307,525,368
DATA 358,511,460,414,511,414,307,460,511,307,307,460,302,818,562,465
DATA 511,460,422,409,332,537,460,664,464,486,409,500,278,500,525
' bold-italic 10pt
DATA 414,386,621,944,548,944,886,310,473,473,591,886,197,852,356,591
DATA 591,591,591,591,591,591,591,591,591,591,356,356,852,886,852,591
DATA 886,866,817,827,876,757,727,895,896,472,611,895,698,1073,896,855
DATA 787,855,859,650,796,881,866,1160,866,866,709,356,414,356,575,426
DATA 414,591,532,479,591,479,378,532,591,356,356,532,350,944,650,538
DATA 591,532,502,487,385,621,532,768,561,562,491,548,304,548,575
'

REM $STATIC
SUB Chr.Input (aci$)
' ----- character input -----
'  allow to use left/right arrows, back space and delete
'  presumably all other char's are visible and no longer than 2 lines
aci$ = RTRIM$(aci$)
lciold% = POS(0): mciold% = CSRLIN: cci% = LEN(aci$) + 1
LOCATE mciold%, lciold%, 1, 14, 15
DO
  LOCATE mciold%, lciold%: PRINT SPACE$(LEN(aci$) + 4);
  length% = LEN(aci$)
  LOCATE mciold%, lciold%: PRINT aci$;
'  LOCATE , , 1, 0, 7
  mci% = mciold%
  kci% = lciold% - 1
  IF cci% = length% + 1 THEN kci% = kci% + 1
  FOR ici% = 1 TO cci%
	kkci% = LEN(MID$(aci$, ici%, 1))
	IF kkci% = 2 AND kci% = 79 THEN kci% = kci% + 1
	kci% = kci% + kkci%
  NEXT ici%
  IF kci% > 80 THEN kci% = kci% - 80: mci% = mci% + 1
  IF cci% <> length% + 1 AND LEN(MID$(aci$, cci%, 1)) = 2 THEN kci% = kci% - 1
  LOCATE mci%, kci%
  DO: cci$ = INKEY$: LOOP WHILE cci$ = ""
 
  SELECT CASE cci$
	CASE CHR$(&H8) ' back-space
	  IF cci% <> 1 THEN
		aci$ = MID$(aci$, 1, cci% - 2) + MID$(aci$, cci%)
		cci% = cci% - 1
	  END IF
	CASE CHR$(&H0) + CHR$(&H4B)' left-arrow
	  IF cci% <> 1 THEN
		cci% = cci% - 1
	  END IF
	CASE CHR$(&H0) + CHR$(&H53)' delete
	  IF length% > 0 THEN
		aci$ = MID$(aci$, 1, cci% - 1) + MID$(aci$, cci% + 1)
	  END IF
	CASE CHR$(&H0) + CHR$(&H4D)' right-arrow
	  IF cci% < length% + 1 THEN
		cci% = cci% + 1
	  END IF
	CASE IS >= CHR$(&H20) ' visible characters
	IF (length% < nodemax% - 1) THEN
	  aci$ = MID$(aci$, 1, cci% - 1) + cci$ + MID$(aci$, cci%)
	  cci% = cci% + 1
	END IF
	END SELECT
toolong:
LOOP UNTIL cci$ = CHR$(&HD)
LOCATE , , 0, 0, 15
'
END SUB

SUB CursorDisplay (ppxx%, ppyy%)
'                                                     cursor mark on and off
xyshift% = INT(5! * wndwxy(wndwfctr%))
PUT (ppxx% - xyshift%, ppyy% - xyshift%), curs%, XOR
IF mouswitch% THEN MouseLocate ppyy%, ppxx%  '<=== when Mouse is used
aa = ppxx% * .25: bb = ppyy% * .25
ad = aa - INT(aa) + .001: bd = bb - INT(bb) + .001
aa = INT(aa): bb = INT(bb)
a$ = "<" + RIGHT$("  " + STR$(aa), 3) + ":"
a$ = a$ + RIGHT$("  " + STR$(bb), 3) + ">"
b$ = "(" + MID$(STR$(ad), 2, 3) + ":" + MID$(STR$(bd), 2, 3) + ")"
COLOR 7
LOCATE line2%, 38: PRINT a$;
LOCATE line1%, 38: PRINT b$;
PUT (ppxx% - 2, 3 + pyo%), markx%, XOR
PUT (3 + pxo%, ppyy% - 2), marky%, XOR
'
END SUB

SUB CursorMotion (keyin%)
'                                  cursor motion with cursor mark on and off
pxold% = px%: pyold% = py%
keyin% = KeyIsTyped%
IF job% <> 0 AND pyold% > pymax2% THEN
pyold% = pymax2%
CursorDisplay pxold%, pyold%
END IF
CursorDisplay pxold%, pyold%
CursorDisplay px%, py%
'
END SUB

SUB KeyDisplay
'                                         function-key instruction displayed
COLOR 3
FOR i% = 1 TO 5: LOCATE line2%, i% * 7 - 4: PRINT kky$(i%);
LOCATE line1%, i% * 7 - 4: PRINT kky$(i% + 10); : NEXT i%
SELECT CASE wtext%
   CASE 0
     LOCATE line1% + 1, 31: PRINT "T_Hide";
   CASE 1
     LOCATE line1% + 1, 31: PRINT "T_Show";
END SELECT

LOCATE line1% + 1, 24: PRINT " Zoom";
LOCATE line1% + 1, 47: PRINT "Redraw";
LOCATE line1% + 1, 55: PRINT "Reset";


COLOR 14: LOCATE line1% + 1, 64: PRINT "[CTRL+h=HELP]";
'COLOR 12: LOCATE line1% + 1, 64: PRINT "[QFIG ver. 1.1a]";

COLOR 10
LOCATE line1% + 1, 7: PRINT fill%;
LOCATE line1% + 1, 3: PRINT "Fil-P";
LOCATE line1% + 1, 10: PRINT chartype$(chartype%);
LOCATE line1% + 1, 17: PRINT charpt%;
LOCATE line1% + 1, 20: PRINT "pt."; : COLOR 3


FOR i% = 6 TO 7: LOCATE line2%, 5 + i% * 7: PRINT kky$(i%);
LOCATE line1%, 5 + i% * 7: PRINT kky$(i% + 10); : NEXT i%
FOR i% = 8 TO 10: COLOR 3: LOCATE line2%, 5 + i% * 7: PRINT kky$(i%);
COLOR 10: LOCATE line1%, 5 + i% * 7: PRINT kky$(i% + 10); : NEXT i%: COLOR 7
LOCATE line2% + func%, 2: COLOR 6: PRINT "@"; : COLOR 7

COLOR 6
LOCATE line3%, 20: PRINT "L-but(SPC)|R-but(RET)";
'LOCATE line3%, 19: PRINT "L-but=SPC/y|R-but=RET/n";
LOCATE line3%, 60: PRINT "L+R (DEL)"; : COLOR 7

CursorDisplay px%, py%
'
END SUB

FUNCTION KeyIsTouched$
'
IF mouswitch% THEN MousePoll row%, col%, lbut%, rbut% '<=== when Mouse is used
KeyIsTouched$ = INKEY$
'
END FUNCTION

FUNCTION KeyIsTyped%
'                                            which key has been typed so far
'            1:motion                    2:space or left button
'            3:return or right button    4:delete or both button (sensitive)
keyin% = 0
DO
  DO
	IF Help% = 1 AND mouswitch% <> 0 THEN
	  keyin% = 1: Help% = 0
	  EXIT DO
	END IF
	q$ = KeyIsTouched$
  LOOP UNTIL q$ <> "" OR row% <> py% OR col% <> px% OR lbut% <> 0 OR rbut% <> 0
  SELECT CASE q$
	CASE CHR$(&H0) + CHR$(UP)
	  IF py% - s% >= pymin% THEN py% = py% - s%: keyin% = 1
	CASE CHR$(&H0) + CHR$(DOWN)
	  IF py% + s% <= pymax% THEN py% = py% + s%: keyin% = 1
	CASE CHR$(&H0) + CHR$(LEFT)
	  IF px% - s% >= pxmin% THEN px% = px% - s%: keyin% = 1
	CASE CHR$(&H0) + CHR$(RIGHT)
	  IF px% + s% <= pxmax% THEN px% = px% + s%: keyin% = 1
	CASE CHR$(SP)
	  keyin% = 2
	CASE CHR$(CR)
	  keyin% = 3
	CASE CHR$(&H0) + CHR$(DEL)
	  keyin% = 4
	CASE CHR$(&H0) + CHR$(&H49) 'CTRL + PGUP
	  keyin% = 5
	CASE CHR$(&H0) + CHR$(&H51) 'CTRL + PGDN
	  keyin% = 6
	CASE CHR$(&H0) + CHR$(&H73) 'CTRL + LEFT
	  keyin% = 7
	CASE CHR$(&H0) + CHR$(&H74) 'CTRL + RIGHT
	  keyin% = 8
	CASE ""
	  IF mouswitch% THEN
		 IF lbut% <> 0 THEN
		  keyin% = 2
		  DO
	       MousePoll row%, col%, lbut%, rbut% '<=== when Mouse is used
		  LOOP UNTIL lbut% = 0 OR rbut% <> 0
		  IF rbut% <> 0 THEN keyin% = 4
		END IF
		IF rbut% <> 0 THEN
		  keyin% = 3
		  DO
	       MousePoll row%, col%, lbut%, rbut% '<=== when Mouse is used
		  LOOP UNTIL rbut% = 0 OR lbut% <> 0
		  IF lbut% <> 0 THEN keyin% = 4
		END IF
		IF row% - py% THEN
		  IF row% > pymax% THEN row% = pymax%
		  IF row% < pymin% THEN row% = pymin%
		  py% = row%
		  IF keyin% = 0 THEN keyin% = 1
		END IF
		IF col% - px% THEN
		  IF col% > pxmax% THEN col% = pxmax%
		  IF col% < pxmin% THEN col% = pxmin%
		  px% = col%
		  IF keyin% = 0 THEN keyin% = 1
		END IF
		IF keyin% = 4 THEN
		  DO
	       MousePoll row%, col%, lbut%, rbut% '<=== when Mouse is used
		  LOOP UNTIL rbut% = 0 AND lbut% = 0
		END IF
	  END IF
  END SELECT
      IF (job% <> 0) AND py% > pymax2% THEN py% = pymax2%
      IF (py% + texth% - 5) > pymax2% AND job% = 5 THEN py% = pymax2% - texth% + 5
IF Help% = 1 THEN keyin% = 1
IF ((keyin% > 4) AND (job% <> 0) AND (keyin% <> 9)) THEN keyin% = 0
LOOP UNTIL keyin% <> 0
KeyIsTyped% = keyin%
Help% = 0
'
END FUNCTION

SUB KeySwitch (ksw%)
'                                                          key on/off switch
kswitch% = ksw%   '<-- global definition ?
IF kswitch% = 1 THEN
  KEY(1) ON: KEY(2) ON: KEY(3) ON: KEY(4) ON: KEY(5) ON: KEY(6) ON
  KEY(7) ON: KEY(15) ON: KEY(16) ON: KEY(18) ON
  KEY(20) ON: KEY(21) ON: KEY(22) ON: KEY(23) ON: KEY(24) ON
ELSE
'  KEY(3) OFF:
  KEY(4) OFF: KEY(5) OFF: KEY(6) OFF
  KEY(7) OFF: KEY(15) OFF: KEY(16) OFF: KEY(18) OFF
  KEY(20) OFF: KEY(21) OFF: KEY(22) OFF: KEY(23) OFF: KEY(24) OFF
END IF
'
END SUB

SUB Preparation
'                                                               preparations
ltp%(0) = &HFFFF: ltp%(1) = &H8888: ltp%(2) = &HC3C3: ltp%(3) = &HA0A0
ltp$(0) = " Solid": ltp$(1) = "Dotted"
ltp$(2) = " Dash ": ltp$(3) = "D-Dash"

lth$(0) = " Thin ": lth$(1) = "Thick1": lth$(2) = "Thick2"

FOR i% = 1 TO 3: tlp$(i%) = ""
FOR j% = 1 TO 8: READ tt$: tt = VAL("&H" + tt$)
FOR k% = 1 TO 4: tlp$(i%) = tlp$(i%) + CHR$(tt): NEXT k%, j%, i%

nocheat% = 0: IF INSTR(COMMAND$, "/NC") <> 0 THEN nocheat% = 1

nofile% = 1: IF INSTR(COMMAND$, "/F") <> 0 THEN nofile% = 0

'nofile% = 0
wspec% = 0: IF INSTR(COMMAND$, "/S") <> 0 THEN wspec% = 1

ega% = 0: IF INSTR(COMMAND$, "/E") <> 0 THEN ega% = 1
'chartype$(0) = "Roman       ": chartype$(1) = "Bold        "
'chartype$(2) = "Italic      ": chartype$(3) = "Bold Italic "

chartype$(0) = " Roman": chartype$(1) = " Bold "
chartype$(2) = "Italic": chartype$(3) = "Bld-It"

'original KEEP

chartex$(0, 0) = "\xpt\rm ": chartex$(0, 1) = "\xpt\bf "
chartex$(0, 2) = "\xpt\it ": chartex$(0, 3) = "\xpt\FonttenBI "
chartex$(1, 0) = "\xiipt\rm ": chartex$(1, 1) = "\xiipt\bf "
chartex$(1, 2) = "\xiipt\it ": chartex$(1, 3) = "\xiipt\FonttwlBI "
charjtex$(0, 0) = "\tendm ": charjtex$(0, 1) = "\tendg "
charjtex$(1, 0) = "\twelvedm ": charjtex$(1, 1) = "\twelvedg "

'original end

chartype% = 0: charpt% = 12
chattr%(0, 0) = 7: chattr%(0, 1) = 0
chattr%(1, 0) = 11: chattr%(1, 1) = 6
chattr%(2, 0) = 7: chattr%(2, 1) = 11
chattr%(3, 0) = 11: chattr%(3, 1) = 10

' set by \wd \ht of \hbox at 10pt; 7/24/1992
jpitch% = 915: jheight(0) = .77088: jheight(1) = .77088
' set by \ht of height of "A" in each font at 10pt; 7/24/1992
eheight(0) = .68333: eheight(1) = .68611
eheight(2) = .68333: eheight(3) = .68611
'
RESTORE tex.pitch
FOR i% = 0 TO 94: READ epitch%(0, i%): NEXT i%
FOR i% = 0 TO 94: READ epitch%(1, i%): NEXT i%
FOR i% = 0 TO 94: READ epitch%(2, i%): NEXT i%
FOR i% = 0 TO 94: READ epitch%(3, i%): NEXT i%
'                      scriptsize up/down motion in dot (* point * 0.25 mm)
scrpt(0) = 0!: scrpt(1) = .5: scrpt(2) = -.2

Ins(0).L = SPACE$(15): Ins(0).R = SPACE$(15): Ins(0).D = SPACE$(15)
Ins(1).L = "    mid-pts set": Ins(1).R = "last pt. set   ": Ins(1).D = "cancel"
Ins(2).L = "circle cnt/rads": Ins(2).R = "ellps diag.pts.": Ins(2).D = "cancel"
Ins(3).L = "     end points": Ins(3).R = "on the arc     ": Ins(3).D = "cancel"
Ins(4).L = "  diagonal pts.": Ins(4).R = " diagonal pts. ": Ins(4).D = "cancel"
Ins(5).L = "       position": Ins(5).R = "       position": Ins(5).D = "cancel"
Ins(6).L = "    <--- / --->": Ins(6).R = "<----->        ": Ins(6).D = "cancel"
Ins(7).L = "  object select": Ins(7).R = "  region select": Ins(7).D = "cancel"
Ins(8).L = "  object select": Ins(8).R = "  region select ": Ins(8).D = "cancel"
Ins(9).L = "  displace node": Ins(9).R = "cut node        ": Ins(9).D = "cancel"
Ins(10).L = "  object select": Ins(10).R = "  region select ": Ins(10).D = "cancel"
Ins(11).L = "wrt hrzntl axis": Ins(11).R = "wrt vrtcl axius": Ins(11).D = "cancel"
Ins(12).L = "         rotate": Ins(12).R = "set(angle/obj) ": Ins(12).D = "cancel"
Ins(13).L = "  object select": Ins(13).R = "  region select": Ins(13).D = "cancel"

s% = 4: s1% = 1: px% = 320: py% = 200: mouswitch% = 0
pxo% = 0: pyo% = 0: inbox% = 0
func% = 0: func1% = 1: job% = 0: seljob% = 0: Help% = 0
nobj% = 0: ltype% = 0: thick% = 0: fill% = 0
xmin% = REGIONXMAX: xmax% = 0: ymin% = REGIONYMAX: ymax% = 0
pi = 4! * ATN(1!): group% = 1: margin% = 7

wndwfctr% = 0
wndwxy(0) = 1!: wndwxy(1) = 1.3125: wndwxy(2) = 1.8: wndwxy(3) = 2.2
IF ega% = 0 THEN
   windowx%(0) = 639: windowy%(0) = 479: texth% = 16
   scrtype% = 12: line1% = 29: line2% = 28: line3% = 27
ELSE
   windowx%(0) = 639: windowy%(0) = 349: texth% = 14
   scrtype% = 9: line1% = 24: line2% = 23: line3% = 22
END IF
FOR i% = 1 TO 3: windowx%(i%) = INT(CSNG(windowx%(0) + 1) * wndwxy(i%) - 1)
windowy%(i%) = INT(CSNG(windowy%(0) + 1) * wndwxy(i%) - 1): NEXT i%
pxmin% = margin%: pxmax% = windowx%(0) - margin%
pymin% = margin%: pymax% = windowy%(0) - margin%
pymax2% = windowy%(0) - texth% * 4 - 5 - margin%
winpy% = windowy%(0) - texth% * 4 - margin%
'                                                               cursor marks
SCREEN scrtype%
LINE (320, 195)-STEP(0, 10): LINE (315, 200)-STEP(10, 0)
GET (315, 195)-(325, 205), curs%: CLS
LINE (318, 195)-(322, 195): LINE (317, 196)-(323, 196)
LINE (317, 196)-(317, 197): LINE (323, 196)-(323, 197)
LINE (318, 196)-(318, 198): LINE (322, 196)-(322, 198)
LINE (320, 197)-(320, 200): LINE (319, 198)-(319, 200)
LINE (321, 198)-(321, 200)
LINE (315, 200)-(316, 200): LINE (324, 200)-(325, 200)
LINE (317, 201)-(318, 201): LINE (322, 201)-(323, 201)
LINE (318, 202)-(322, 202)
LINE (315, 204)-(316, 204): LINE (324, 204)-(325, 204)
LINE (317, 203)-(318, 203): LINE (322, 203)-(323, 203)
GET (315, 195)-(325, 205), curs1%: CLS                 'cursor mark for KILL
CIRCLE (323, 197), 2: CIRCLE (323, 203), 2
LINE (315, 196)-(323, 201): LINE (315, 204)-(323, 199)
LINE (316, 196)-(324, 201): LINE (316, 204)-(324, 199)
GET (315, 195)-(325, 205), curs2%: CLS                  'cursor mark for CUT

CIRCLE (3, 3), 3, 10: GET (0, 0)-(6, 6), mark%: CLS
LINE (0, 0)-(6, 6), 10, BF: CIRCLE (3, 3), 3, 0
GET (0, 0)-(6, 6), markg%: CLS

LINE (2, 0)-(4, 4), 6: LINE -(0, 4), 6: LINE -(2, 0), 6: PAINT (2, 3), 6
GET (0, 0)-(4, 4), markx%: CLS
LINE (0, 2)-(4, 0), 6: LINE -(4, 4), 6: LINE -(0, 2), 6: PAINT (3, 2), 6
GET (0, 0)-(4, 4), marky%: CLS

kky$(1) = " Line ": kky$(2) = " Curve": kky$(3) = "CrcEll"
kky$(4) = " Arc  ": kky$(5) = " Box  ": kky$(6) = " Poly "
kky$(7) = "Cl-Crv": kky$(8) = " Arrow"
kky$(9) = "String": kky$(10) = " File "
kky$(11) = " Move ": kky$(12) = " Copy ": kky$(13) = "Sym.cp"
kky$(14) = "Rotate": kky$(15) = " Edit ": kky$(16) = "DspCut"
kky$(17) = " Kill ": kky$(18) = " Solid"
kky$(19) = " Thin ": kky$(20) = "Pitch4"
kky$(21) = " 12pt.": kky$(21) = "Roman "
altpitch$ = "Pitch1"

IF nofile% = 1 THEN mpath% = 0: GOTO inputusersettings
'                                         input user-definable data settings
path0$ = ".;" + ENVIRON$("PATH")
DO
  mpath% = INSTR(path0$, ";")
  IF mpath% = 0 THEN
	path$ = path0$
	path0$ = ""
  ELSE
	path$ = LEFT$(path0$, mpath% - 1)
	path0$ = MID$(path0$, mpath% + 1)
  END IF
  IF path$ <> "" AND RIGHT$(path$, 1) <> "\" THEN path$ = path$ + "\"
  ifile$ = path$ + "qfig_set.dat"
  OPEN ifile$ FOR RANDOM AS #1
  IF LOF(1) = 0 THEN
	CLOSE #1
	KILL ifile$
  ELSE
	mpath% = -1
	EXIT DO
  END IF
LOOP UNTIL mpath% = 0

inputusersettings:
IF mpath% = 0 THEN
'                                                                    default
  arrowhead = 8!               'arrow = arrowhead + darrowhead * obj%(n%, 4)
  darrowhead = 1.5
  arrowdirect = pi / 9!                'arrow is directed to \pm arrowdirect
  arcarrowd = pi / 30!            'correction of inward direction on the arc
  dpattern$(1) = "6pt, 3pt"                           'dashpattern on PiCTeX
  dpattern$(2) = "10pt, 3pt, 2pt, 3pt"
  dpattern$(3) = "10pt, 3pt, 2pt, 3pt, 2pt, 3pt"
  filler%(0) = 0                                    'filler color on N-Graph
  filler%(1) = 2
  filler%(2) = 6
  filler%(3) = 1
  eepicpattern$(1) = "\dottedline{3}"
  eepicpattern$(2) = "\dashline[50]{10}"
  eepicpattern$(3) = "\dashline[50]{10}[2]"
  tpicshade$(1) = "[0.1]"
  tpicshade$(2) = "[0.4]"
  tpicshade$(3) = "[0.7]"
  hscroll% = 200
  vscroll% = 120
  interpolcurve% = 10
  interpolang% = 36    '5 degree
ELSE
  CLOSE #1
  OPEN ifile$ FOR INPUT AS #1
  arrowhead = VAL(Usetdata$)
  darrowhead = VAL(Usetdata$)
  arrowdirect = pi / VAL(Usetdata$)
  arcarrowd = pi / VAL(Usetdata$)
  dpattern$(1) = Usetdata$
  dpattern$(2) = Usetdata$
  dpattern$(3) = Usetdata$
  filler%(0) = VAL(Usetdata$)
  filler%(1) = VAL(Usetdata$)
  filler%(2) = VAL(Usetdata$)
  filler%(3) = VAL(Usetdata$)
  eepicpattern$(1) = Usetdata$
  eepicpattern$(2) = Usetdata$
  eepicpattern$(3) = Usetdata$
  tpicshade$(1) = Usetdata$
  tpicshade$(2) = Usetdata$
  tpicshade$(3) = Usetdata$
  hscroll% = VAL(Usetdata$)
  IF hscroll% <= 0 OR hscroll% > 200 THEN hscroll% = 200
  vscroll% = VAL(Usetdata$)
  IF vscroll% <= 0 OR vscroll% > 120 THEN vscroll% = 120
  interpolcurve% = VAL(Usetdata$)
  interpolang% = 180! / CSNG(VAL(Usetdata$))
 
  chartex$(0, 0) = Usetdata$ + " "
  chartex$(0, 1) = Usetdata$ + " "
  chartex$(0, 2) = Usetdata$ + " "
  chartex$(0, 3) = Usetdata$ + " "
  chartex$(1, 0) = Usetdata$ + " "
  chartex$(1, 1) = Usetdata$ + " "
  chartex$(1, 2) = Usetdata$ + " "
  chartex$(1, 3) = Usetdata$ + " "
 
  CLOSE #1
END IF
'
tpicshade% = 1
'
iomessages$(1) = "Load  picture data from file [.qfg]"
iomessages$(2) = "Merge picture data from file [.qfg]"
iomessages$(3) = "Save  this picture into file [.qfg] only"
iomessages$(4) = "Save picture in [.qfg] & 'PiCTeX'   code in [.tex]"
iomessages$(5) = "Save picture in [.qfg] & 'eepic'    code in [.tex]"
iomessages$(6) = "Save picture in [.qfg] & 'eepicemu' code in [.tex]"
iomessages$(7) = "Quit (Exit Program)"
'
END SUB

SUB SetInst (ninstr%)
'                       set instruction of left/right buttons (space/return)
COLOR 7
IF ninstr% > 0 THEN SWAP Ins(0), Ins(ninstr%)
LOCATE line3%, 4: PRINT Ins(0).L; : LOCATE line3%, 42: PRINT Ins(0).R;
LOCATE line3%, 70: PRINT Ins(0).D;
'
END SUB

FUNCTION Usetdata$
'                                               get a line and strip comment
DO
LINE INPUT #1, a$
a$ = LEFT$(a$, INSTR(a$, ";") - 1)
LOOP UNTIL a$ <> ""
i% = INSTR(a$, CHR$(9))
DO UNTIL i% = 0
  a$ = LEFT$(a$, i% - 1)
  i% = INSTR(a$, CHR$(9))
LOOP
Usetdata$ = LTRIM$(RTRIM$(a$))
'
END FUNCTION