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RECTANGL.LST

RECTANGL.LST 25 KB
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  1. Listing:
    2. 

  2. 

  3.     1  IMPLEMENTATION MODULE Rectangles;
    4. 

  4.     2  (*
    5. 

  5.     3   *  REPERTOIRE
    6. 

  6.     4   *  Release 1.6
    7. 

  7.     5   *  By Charles Bradford and Cole Brecheen
    8. 

  8.     6   *  (c) Copyright 1985-1992 PMI
    9. 

  9.     7   *  Green Bay, Wisconsin
    10. 

  10.     8   *  All rights reserved
    11. 

  11.     9   *  (414) 468-6040
    12. 

  12.    10   *
    13. 

  13.    11   *  $Header:   D:/logfiles/mods/rectangl.mov   1.5   10 Mar 1991 15:35:22   coleb  $
    14. 

  14.    12   *
    15. 

  15.    13   *
    16. 

  16.    14   *  Adapted from an earlier version written and contributed
    17. 

  17.    15   *  by Martin Johnston of GTJ Consultants, New York, NY.
    18. 

  18.    16   *
    19. 

  19.    17   *)
    20. 

  20.    18  
    21. 

  21.    19  
    22. 

  22.    20  IMPORT Numbers;
    23. 

  23.    21  
    24. 

  24.    22  VAR
    25. 

  25.    23    Initialized : BOOLEAN;
    26. 

  26.    24  
    27. 

  27.    25    PROCEDURE Init();
    28. 

  28.    26      BEGIN
    29. 

  29.    27        IF Initialized THEN
    30. 

  30.    28          RETURN;
    31. 

  31.    29        ELSE
    32. 

  32.    30          Initialized := TRUE;
    33. 

  33.    31        END;
    34. 

  34.    32        Numbers.Init();
    35. 

  35. *****        ^ not supported yet
    36. 

  36. *****                ^ not supported yet
    37. 

  37. *****                     ^ not supported yet
    38. 

  38.    33      END Init;
    39. 

  39. *****          ^ not supported yet
    40. 

  40.    34  
    41. 

  41.    35  
    42. 

  42.    36    PROCEDURE PointInside( VAR p : APoint; VAR r : ARectangle) :
    43. 

  43. *****                                   ^ undeclared identifier
    44. 

  44. *****                                                   ^ undeclared identifier
    45. 

  45.    37        BOOLEAN;
    46. 

  46.    38      BEGIN
    47. 

  47.    39        RETURN (p.col >= r.col1) AND (p.col < r.col2) AND (p.row >= r.row1) AND
    48. 

  48. *****                ^ not supported yet
    49. 

  49. *****                  ^ not supported yet
    50. 

  50. *****                         ^ not supported yet
    51. 

  51. *****                           ^ not supported yet
    52. 

  52. *****                                      ^ not supported yet
    53. 

  53. *****                                        ^ not supported yet
    54. 

  54. *****                                              ^ not supported yet
    55. 

  55. *****                                                ^ not supported yet
    56. 

  56. *****                                                           ^ not supported yet
    57. 

  57. *****                                                             ^ not supported yet
    58. 

  58. *****                                                                    ^ not supported yet
    59. 

  59. *****                                                                      ^ not supported yet
    60. 

  60.    40            (p.row < r.row2);
    61. 

  61. *****             ^ not supported yet
    62. 

  62. *****               ^ not supported yet
    63. 

  63. *****                     ^ not supported yet
    64. 

  64. *****                       ^ not supported yet
    65. 

  65.    41      END PointInside;
    66. 

  66. *****          ^ not supported yet
    67. 

  67.    42  
    68. 

  68.    43  
    69. 

  69.    44    PROCEDURE Distance(p1, p2 : APoint) : CARDINAL;
    70. 

  70. *****                                ^ undeclared identifier
    71. 

  71.    45      VAR
    72. 

  72.    46        colDiff, rowDiff : CARDINAL;
    73. 

  73.    47  
    74. 

  74.    48      PROCEDURE IntToCardRange(n : INTEGER) : CARDINAL;
    75. 

  75.    49        BEGIN
    76. 

  76.    50          IF n >= 0 THEN
    77. 

  77.    51            RETURN CARDINAL(n)+32767+1;
    78. 

  78. *****                             ^ not supported yet
    79. 

  79.    52          ELSE
    80. 

  80.    53            RETURN CARDINAL(n+32767+1);
    81. 

  81. *****                                     ^ not supported yet
    82. 

  82.    54          END;
    83. 

  83.    55        END IntToCardRange;
    84. 

  84. *****            ^ not supported yet
    85. 

  85.    56  
    86. 

  86.    57      PROCEDURE dist(a, b : INTEGER) : CARDINAL;
    87. 

  87.    58        BEGIN
    88. 

  88.    59          IF a > b THEN
    89. 

  89.    60            RETURN IntToCardRange(a) - IntToCardRange(b);
    90. 

  90. *****                   ^ not supported yet
    91. 

  91. *****                                   ^ not supported yet
    92. 

  92. *****                                       ^ not supported yet
    93. 

  93. *****                                                       ^ not supported yet
    94. 

  94.    61          ELSE
    95. 

  95.    62            RETURN IntToCardRange(b) - IntToCardRange(a);
    96. 

  96. *****                   ^ not supported yet
    97. 

  97. *****                                   ^ not supported yet
    98. 

  98. *****                                       ^ not supported yet
    99. 

  99. *****                                                       ^ not supported yet
    100. 

  100.    63          END;
    101. 

  101.    64        END dist;
    102. 

  102. *****            ^ not supported yet
    103. 

  103.    65  
    104. 

  104.    66      BEGIN
    105. 

  105.    67        colDiff := dist(p1.col, p2.col);
    106. 

  106. *****                   ^ not supported yet
    107. 

  107. *****                        ^ not supported yet
    108. 

  108. *****                           ^ not supported yet
    109. 

  109. *****                                ^ not supported yet
    110. 

  110. *****                                   ^ not supported yet
    111. 

  111.    68        rowDiff := dist(p1.row, p2.row);
    112. 

  112. *****                   ^ not supported yet
    113. 

  113. *****                        ^ not supported yet
    114. 

  114. *****                           ^ not supported yet
    115. 

  115. *****                                ^ not supported yet
    116. 

  116. *****                                   ^ not supported yet
    117. 

  117.    69        RETURN Numbers.CardSqrt( (colDiff * colDiff) + (rowDiff * rowDiff) );
    118. 

  118. *****               ^ not supported yet
    119. 

  119. *****                       ^ not supported yet
    120. 

  120. *****                                                                           ^ not supported yet
    121. 

  121.    70      END Distance;
    122. 

  122. *****          ^ not supported yet
    123. 

  123.    71  
    124. 

  124.    72  
    125. 

  125.    73    PROCEDURE RectsIntersect(VAR r1, r2, intersection : ARectangle) : BOOLEAN;
    126. 

  126. *****                                                        ^ undeclared identifier
    127. 

  127.    74      BEGIN
    128. 

  128.    75        IF r1.row1 > r2.row1 THEN
    129. 

  129. *****           ^ not supported yet
    130. 

  130. *****              ^ not supported yet
    131. 

  131. *****                     ^ not supported yet
    132. 

  132. *****                        ^ not supported yet
    133. 

  133.    76          intersection.row1 := r1.row1;
    134. 

  134. *****          ^ not supported yet
    135. 

  135. *****                       ^ not supported yet
    136. 

  136. *****                               ^ not supported yet
    137. 

  137. *****                                  ^ not supported yet
    138. 

  138.    77        ELSE
    139. 

  139.    78          intersection.row1 := r2.row1;
    140. 

  140. *****          ^ not supported yet
    141. 

  141. *****                       ^ not supported yet
    142. 

  142. *****                               ^ not supported yet
    143. 

  143. *****                                  ^ not supported yet
    144. 

  144.    79        END;
    145. 

  145.    80        IF r1.row2 < r2.row2 THEN
    146. 

  146. *****           ^ not supported yet
    147. 

  147. *****              ^ not supported yet
    148. 

  148. *****                     ^ not supported yet
    149. 

  149. *****                        ^ not supported yet
    150. 

  150.    81          intersection.row2 := r1.row2;
    151. 

  151. *****          ^ not supported yet
    152. 

  152. *****                       ^ not supported yet
    153. 

  153. *****                               ^ not supported yet
    154. 

  154. *****                                  ^ not supported yet
    155. 

  155.    82        ELSE
    156. 

  156.    83          intersection.row2 := r2.row2;
    157. 

  157. *****          ^ not supported yet
    158. 

  158. *****                       ^ not supported yet
    159. 

  159. *****                               ^ not supported yet
    160. 

  160. *****                                  ^ not supported yet
    161. 

  161.    84        END;
    162. 

  162.    85        IF r1.col1 > r2.col1 THEN
    163. 

  163. *****           ^ not supported yet
    164. 

  164. *****              ^ not supported yet
    165. 

  165. *****                     ^ not supported yet
    166. 

  166. *****                        ^ not supported yet
    167. 

  167.    86          intersection.col1 := r1.col1;
    168. 

  168. *****          ^ not supported yet
    169. 

  169. *****                       ^ not supported yet
    170. 

  170. *****                               ^ not supported yet
    171. 

  171. *****                                  ^ not supported yet
    172. 

  172.    87        ELSE
    173. 

  173.    88          intersection.col1 := r2.col1;
    174. 

  174. *****          ^ not supported yet
    175. 

  175. *****                       ^ not supported yet
    176. 

  176. *****                               ^ not supported yet
    177. 

  177. *****                                  ^ not supported yet
    178. 

  178.    89        END;
    179. 

  179.    90        IF r1.col2 < r2.col2 THEN
    180. 

  180. *****           ^ not supported yet
    181. 

  181. *****              ^ not supported yet
    182. 

  182. *****                     ^ not supported yet
    183. 

  183. *****                        ^ not supported yet
    184. 

  184.    91          intersection.col2 := r1.col2;
    185. 

  185. *****          ^ not supported yet
    186. 

  186. *****                       ^ not supported yet
    187. 

  187. *****                               ^ not supported yet
    188. 

  188. *****                                  ^ not supported yet
    189. 

  189.    92        ELSE
    190. 

  190.    93          intersection.col2 := r2.col2;
    191. 

  191. *****          ^ not supported yet
    192. 

  192. *****                       ^ not supported yet
    193. 

  193. *****                               ^ not supported yet
    194. 

  194. *****                                  ^ not supported yet
    195. 

  195.    94        END;
    196. 

  196.    95        RETURN (intersection.row1 <= intersection.row2) AND
    197. 

  197. *****                ^ not supported yet
    198. 

  198. *****                             ^ not supported yet
    199. 

  199. *****                                     ^ not supported yet
    200. 

  200. *****                                                  ^ not supported yet
    201. 

  201.    96            (intersection.col1 <= intersection.col2);
    202. 

  202. *****             ^ not supported yet
    203. 

  203. *****                          ^ not supported yet
    204. 

  204. *****                                  ^ not supported yet
    205. 

  205. *****                                               ^ not supported yet
    206. 

  206.    97      END RectsIntersect;
    207. 

  207. *****          ^ not supported yet
    208. 

  208.    98  
    209. 

  209.    99  
    210. 

  210.   100    PROCEDURE FindRowOnCol(VAR col1, row1, col2, row2, col : INTEGER) : INTEGER;
    211. 

  211.   101      VAR
    212. 

  212.   102        dcol, rise, run : INTEGER;
    213. 

  213.   103  
    214. 

  214.   104      PROCEDURE HalfPoint(xl, yl, xr, yr : INTEGER) : INTEGER;
    215. 

  215.   105        VAR
    216. 

  216.   106          syl, sxr, syr : INTEGER;
    217. 

  217.   107        BEGIN
    218. 

  218.   108          REPEAT
    219. 

  219.   109            syl := yl;
    220. 

  220.   110            sxr := xr;
    221. 

  221.   111            syr := yr;
    222. 

  222.   112            xr := (xl+xr) DIV 2;
    223. 

  223.   113            yr := (yl+yr) DIV 2;
    224. 

  224.   114            IF xr < col THEN
    225. 

  225.   115              xl := xr;
    226. 

  226.   116              yl := yr;
    227. 

  227.   117              xr := sxr;
    228. 

  228.   118              yr := syr;
    229. 

  229.   119            END;
    230. 

  230.   120          UNTIL ((syl=yl) AND (syr=yr));
    231. 

  231.   121          RETURN yr;
    232. 

  232.   122        END HalfPoint;
    233. 

  233. *****            ^ not supported yet
    234. 

  234.   123  
    235. 

  235.   124      BEGIN
    236. 

  236.   125        IF row1 = row2 THEN
    237. 

  237.   126          RETURN row1;
    238. 

  238.   127        ELSE
    239. 

  239.   128          rise := row2-row1;
    240. 

  240.   129          run := col2-col1;
    241. 

  241.   130          dcol := Numbers.LowestCommonDenom(rise, run);
    242. 

  242. *****                  ^ not supported yet
    243. 

  243. *****                          ^ not supported yet
    244. 

  244. *****                                                     ^ not supported yet
    245. 

  245.   131          IF dcol # rise THEN
    246. 

  246.   132            rise := rise DIV dcol;
    247. 

  247.   133            run := run DIV dcol;
    248. 

  248.   134          END;
    249. 

  249.   135          dcol := col-col1;
    250. 

  250.   136          IF (ABS(32767 DIV rise) < ABS(dcol)) OR ((32767 DIV ABS(dcol)) <
    251. 

  251. *****              ^ undeclared identifier
    252. 

  252. *****                                ^ not supported yet
    253. 

  253. *****                                    ^ undeclared identifier
    254. 

  254. *****                                            ^ not supported yet
    255. 

  255. *****                                                              ^ undeclared identifier
    256. 

  256. *****                                                                      ^ not supported yet
    257. 

  257.   137              ABS(rise)) THEN
    258. 

  258. *****              ^ undeclared identifier
    259. 

  259. *****                      ^ not supported yet
    260. 

  260.   138            RETURN HalfPoint(col1, row1, col2, row2);
    261. 

  261. *****                   ^ not supported yet
    262. 

  262. *****                                                   ^ not supported yet
    263. 

  263.   139          ELSE
    264. 

  264.   140            RETURN ((rise*dcol) DIV run)+row1;
    265. 

  265.   141          END;
    266. 

  266.   142        END;
    267. 

  267.   143      END FindRowOnCol;
    268. 

  268. *****          ^ not supported yet
    269. 

  269.   144  
    270. 

  270.   145  
    271. 

  271.   146    PROCEDURE LineInside(TheLine : ALine; r : ARectangle; VAR
    272. 

  272. *****                                   ^ undeclared identifier
    273. 

  273. *****                                              ^ undeclared identifier
    274. 

  274.   147        intersection : ALine) : BOOLEAN;
    275. 

  275. *****                       ^ undeclared identifier
    276. 

  276.   148  
    277. 

  277.   149      PROCEDURE order(VAR col1, col2, row1, row2 : INTEGER);
    278. 

  278.   150        VAR
    279. 

  279.   151          col : INTEGER;
    280. 

  280.   152        BEGIN
    281. 

  281.   153          IF col1 > col2 THEN
    282. 

  282.   154            col := col1;
    283. 

  283.   155            col1 := col2;
    284. 

  284.   156            col2 := col;
    285. 

  285.   157            col := row1;
    286. 

  286.   158            row1 := row2;
    287. 

  287.   159            row2 := col;
    288. 

  288.   160          END;
    289. 

  289.   161        END order;
    290. 

  290. *****            ^ not supported yet
    291. 

  291.   162  
    292. 

  292.   163      BEGIN
    293. 

  293.   164        WITH TheLine DO
    294. 

  294. *****             ^ not supported yet
    295. 

  295.   165          order(p1.col, p2.col, p1.row, p2.row);
    296. 

  296. *****          ^ not supported yet
    297. 

  297. *****                ^ undeclared identifier
    298. 

  298. *****                   ^ not supported yet
    299. 

  299. *****                        ^ undeclared identifier
    300. 

  300. *****                           ^ not supported yet
    301. 

  301. *****                                ^ undeclared identifier
    302. 

  302. *****                                   ^ not supported yet
    303. 

  303. *****                                        ^ undeclared identifier
    304. 

  304. *****                                           ^ not supported yet
    305. 

  305.   166          IF (p1.col < r.col1) AND (p2.col > r.col1) THEN
    306. 

  306. *****              ^ undeclared identifier
    307. 

  307. *****                 ^ not supported yet
    308. 

  308. *****                       ^ not supported yet
    309. 

  309. *****                         ^ not supported yet
    310. 

  310. *****                                    ^ undeclared identifier
    311. 

  311. *****                                       ^ not supported yet
    312. 

  312. *****                                             ^ not supported yet
    313. 

  313. *****                                               ^ not supported yet
    314. 

  314.   167            p1.row := FindRowOnCol(p1.col, p1.row, p2.col, p2.row, r.col1);
    315. 

  315. *****            ^ undeclared identifier
    316. 

  316. *****               ^ not supported yet
    317. 

  317. *****                      ^ not supported yet
    318. 

  318. *****                                   ^ undeclared identifier
    319. 

  319. *****                                      ^ not supported yet
    320. 

  320. *****                                           ^ undeclared identifier
    321. 

  321. *****                                              ^ not supported yet
    322. 

  322. *****                                                   ^ undeclared identifier
    323. 

  323. *****                                                      ^ not supported yet
    324. 

  324. *****                                                           ^ undeclared identifier
    325. 

  325. *****                                                              ^ not supported yet
    326. 

  326. *****                                                                   ^ not supported yet
    327. 

  327. *****                                                                     ^ not supported yet
    328. 

  328.   168            p1.col := r.col1;
    329. 

  329. *****            ^ undeclared identifier
    330. 

  330. *****               ^ not supported yet
    331. 

  331. *****                      ^ not supported yet
    332. 

  332. *****                        ^ not supported yet
    333. 

  333.   169          END;
    334. 

  334.   170          IF (p1.col < r.col2) AND (p2.col > r.col2) THEN
    335. 

  335. *****              ^ undeclared identifier
    336. 

  336. *****                 ^ not supported yet
    337. 

  337. *****                       ^ not supported yet
    338. 

  338. *****                         ^ not supported yet
    339. 

  339. *****                                    ^ undeclared identifier
    340. 

  340. *****                                       ^ not supported yet
    341. 

  341. *****                                             ^ not supported yet
    342. 

  342. *****                                               ^ not supported yet
    343. 

  343.   171            p2.row := FindRowOnCol(p1.col, p1.row, p2.col, p2.row, r.col2);
    344. 

  344. *****            ^ undeclared identifier
    345. 

  345. *****               ^ not supported yet
    346. 

  346. *****                      ^ not supported yet
    347. 

  347. *****                                   ^ undeclared identifier
    348. 

  348. *****                                      ^ not supported yet
    349. 

  349. *****                                           ^ undeclared identifier
    350. 

  350. *****                                              ^ not supported yet
    351. 

  351. *****                                                   ^ undeclared identifier
    352. 

  352. *****                                                      ^ not supported yet
    353. 

  353. *****                                                           ^ undeclared identifier
    354. 

  354. *****                                                              ^ not supported yet
    355. 

  355. *****                                                                   ^ not supported yet
    356. 

  356. *****                                                                     ^ not supported yet
    357. 

  357.   172            p2.col := r.col2;
    358. 

  358. *****            ^ undeclared identifier
    359. 

  359. *****               ^ not supported yet
    360. 

  360. *****                      ^ not supported yet
    361. 

  361. *****                        ^ not supported yet
    362. 

  362.   173          END;
    363. 

  363.   174          order(p1.row, p2.row, p1.col, p2.col);
    364. 

  364. *****          ^ not supported yet
    365. 

  365. *****                ^ undeclared identifier
    366. 

  366. *****                   ^ not supported yet
    367. 

  367. *****                        ^ undeclared identifier
    368. 

  368. *****                           ^ not supported yet
    369. 

  369. *****                                ^ undeclared identifier
    370. 

  370. *****                                   ^ not supported yet
    371. 

  371. *****                                        ^ undeclared identifier
    372. 

  372. *****                                           ^ not supported yet
    373. 

  373.   175          IF (p1.row < r.row1) AND (p2.row > r.row1) THEN
    374. 

  374. *****              ^ undeclared identifier
    375. 

  375. *****                 ^ not supported yet
    376. 

  376. *****                       ^ not supported yet
    377. 

  377. *****                         ^ not supported yet
    378. 

  378. *****                                    ^ undeclared identifier
    379. 

  379. *****                                       ^ not supported yet
    380. 

  380. *****                                             ^ not supported yet
    381. 

  381. *****                                               ^ not supported yet
    382. 

  382.   176            p1.col := FindRowOnCol(p1.row, p1.col, p2.row, p2.col, r.row1);
    383. 

  383. *****            ^ undeclared identifier
    384. 

  384. *****               ^ not supported yet
    385. 

  385. *****                      ^ not supported yet
    386. 

  386. *****                                   ^ undeclared identifier
    387. 

  387. *****                                      ^ not supported yet
    388. 

  388. *****                                           ^ undeclared identifier
    389. 

  389. *****                                              ^ not supported yet
    390. 

  390. *****                                                   ^ undeclared identifier
    391. 

  391. *****                                                      ^ not supported yet
    392. 

  392. *****                                                           ^ undeclared identifier
    393. 

  393. *****                                                              ^ not supported yet
    394. 

  394. *****                                                                   ^ not supported yet
    395. 

  395. *****                                                                     ^ not supported yet
    396. 

  396.   177            p1.row := r.row1;
    397. 

  397. *****            ^ undeclared identifier
    398. 

  398. *****               ^ not supported yet
    399. 

  399. *****                      ^ not supported yet
    400. 

  400. *****                        ^ not supported yet
    401. 

  401.   178          END;
    402. 

  402.   179          IF (p1.row < r.row2) AND (p2.row > r.row2) THEN
    403. 

  403. *****              ^ undeclared identifier
    404. 

  404. *****                 ^ not supported yet
    405. 

  405. *****                       ^ not supported yet
    406. 

  406. *****                         ^ not supported yet
    407. 

  407. *****                                    ^ undeclared identifier
    408. 

  408. *****                                       ^ not supported yet
    409. 

  409. *****                                             ^ not supported yet
    410. 

  410. *****                                               ^ not supported yet
    411. 

  411.   180            p2.col := FindRowOnCol(p1.row, p1.col, p2.row, p2.col, r.row2);
    412. 

  412. *****            ^ undeclared identifier
    413. 

  413. *****               ^ not supported yet
    414. 

  414. *****                      ^ not supported yet
    415. 

  415. *****                                   ^ undeclared identifier
    416. 

  416. *****                                      ^ not supported yet
    417. 

  417. *****                                           ^ undeclared identifier
    418. 

  418. *****                                              ^ not supported yet
    419. 

  419. *****                                                   ^ undeclared identifier
    420. 

  420. *****                                                      ^ not supported yet
    421. 

  421. *****                                                           ^ undeclared identifier
    422. 

  422. *****                                                              ^ not supported yet
    423. 

  423. *****                                                                   ^ not supported yet
    424. 

  424. *****                                                                     ^ not supported yet
    425. 

  425.   181            p2.row := r.row2;
    426. 

  426. *****            ^ undeclared identifier
    427. 

  427. *****               ^ not supported yet
    428. 

  428. *****                      ^ not supported yet
    429. 

  429. *****                        ^ not supported yet
    430. 

  430.   182          END;
    431. 

  431.   183          IF PointInside(p1, r) AND PointInside(p2, r) THEN
    432. 

  432. *****             ^ not supported yet
    433. 

  433. *****                         ^ undeclared identifier
    434. 

  434. *****                             ^ not supported yet
    435. 

  435. *****                                    ^ not supported yet
    436. 

  436. *****                                                ^ undeclared identifier
    437. 

  437. *****                                                    ^ not supported yet
    438. 

  438.   184            intersection := TheLine;
    439. 

  439. *****            ^ not supported yet
    440. 

  440. *****                            ^ not supported yet
    441. 

  441.   185            RETURN TRUE;
    442. 

  442.   186          ELSE
    443. 

  443.   187            RETURN FALSE;
    444. 

  444.   188          END;
    445. 

  445.   189        END;
    446. 

  446. *****        ^ not supported yet
    447. 

  447.   190      END LineInside;
    448. 

  448. *****          ^ not supported yet
    449. 

  449.   191  
    450. 

  450.   192  
    451. 

  451.   193    PROCEDURE DefineRectangle(VAR r : ARectangle; col1, row1, col2, row2 :
    452. 

  452. *****                                      ^ undeclared identifier
    453. 

  453.   194        INTEGER);
    454. 

  454.   195      BEGIN
    455. 

  455.   196        r.col1 := col1;
    456. 

  456. *****        ^ not supported yet
    457. 

  457. *****          ^ not supported yet
    458. 

  458.   197        r.row1 := row1;
    459. 

  459. *****        ^ not supported yet
    460. 

  460. *****          ^ not supported yet
    461. 

  461.   198        r.col2 := col2;
    462. 

  462. *****        ^ not supported yet
    463. 

  463. *****          ^ not supported yet
    464. 

  464.   199        r.row2 := row2;
    465. 

  465. *****        ^ not supported yet
    466. 

  466. *****          ^ not supported yet
    467. 

  467.   200      END DefineRectangle;
    468. 

  468. *****          ^ not supported yet
    469. 

  469.   201  
    470. 

  470.   202  
    471. 

  471.   203    PROCEDURE DefineByPoints(VAR r : ARectangle; TopLeft, BottomRight
    472. 

  472. *****                                     ^ undeclared identifier
    473. 

  473.   204        : APoint);
    474. 

  474. *****          ^ undeclared identifier
    475. 

  475.   205      BEGIN
    476. 

  476.   206        r.TopLeft := TopLeft;
    477. 

  477. *****        ^ not supported yet
    478. 

  478. *****          ^ not supported yet
    479. 

  479. *****                     ^ not supported yet
    480. 

  480.   207        r.BottomRight := BottomRight;
    481. 

  481. *****        ^ not supported yet
    482. 

  482. *****          ^ not supported yet
    483. 

  483. *****                         ^ not supported yet
    484. 

  484.   208      END DefineByPoints;
    485. 

  485. *****          ^ not supported yet
    486. 

  486.   209  
    487. 

  487.   210  
    488. 

  488.   211    PROCEDURE RectIsInside( VAR r1, r2 : ARectangle) : BOOLEAN;
    489. 

  489. *****                                         ^ undeclared identifier
    490. 

  490.   212      BEGIN
    491. 

  491.   213        RETURN (r1.col1 >= r2.col1) AND (r1.col2 <= r2.col2) AND
    492. 

  492. *****                ^ not supported yet
    493. 

  493. *****                   ^ not supported yet
    494. 

  494. *****                           ^ not supported yet
    495. 

  495. *****                              ^ not supported yet
    496. 

  496. *****                                         ^ not supported yet
    497. 

  497. *****                                            ^ not supported yet
    498. 

  498. *****                                                    ^ not supported yet
    499. 

  499. *****                                                       ^ not supported yet
    500. 

  500.   214            (r1.row1 >= r2.row1) AND (r1.row2 <= r2.row2);
    501. 

  501. *****             ^ not supported yet
    502. 

  502. *****                ^ not supported yet
    503. 

  503. *****                        ^ not supported yet
    504. 

  504. *****                           ^ not supported yet
    505. 

  505. *****                                      ^ not supported yet
    506. 

  506. *****                                         ^ not supported yet
    507. 

  507. *****                                                 ^ not supported yet
    508. 

  508. *****                                                    ^ not supported yet
    509. 

  509.   215      END RectIsInside;
    510. 

  510. *****          ^ not supported yet
    511. 

  511.   216  
    512. 

  512.   217  
    513. 

  513.   218    PROCEDURE ShrinkRect( VAR r : ARectangle );
    514. 

  514. *****                                  ^ undeclared identifier
    515. 

  515.   219      BEGIN
    516. 

  516.   220        IF r.col2 > (r.col1 + 1) THEN
    517. 

  517. *****           ^ not supported yet
    518. 

  518. *****             ^ not supported yet
    519. 

  519. *****                     ^ not supported yet
    520. 

  520. *****                       ^ not supported yet
    521. 

  521.   221          INC( r.col1 );
    522. 

  522. *****          ^ undeclared identifier
    523. 

  523. *****               ^ not supported yet
    524. 

  524. *****                 ^ not supported yet
    525. 

  525.   222          DEC( r.col2 );
    526. 

  526. *****          ^ undeclared identifier
    527. 

  527. *****               ^ not supported yet
    528. 

  528. *****                 ^ not supported yet
    529. 

  529.   223        END;
    530. 

  530.   224        IF r.row2 > (r.row1 + 1) THEN
    531. 

  531. *****           ^ not supported yet
    532. 

  532. *****             ^ not supported yet
    533. 

  533. *****                     ^ not supported yet
    534. 

  534. *****                       ^ not supported yet
    535. 

  535.   225          INC( r.row1 );
    536. 

  536. *****          ^ undeclared identifier
    537. 

  537. *****               ^ not supported yet
    538. 

  538. *****                 ^ not supported yet
    539. 

  539.   226          DEC( r.row2 );
    540. 

  540. *****          ^ undeclared identifier
    541. 

  541. *****               ^ not supported yet
    542. 

  542. *****                 ^ not supported yet
    543. 

  543.   227        END;
    544. 

  544.   228      END ShrinkRect;
    545. 

  545. *****          ^ not supported yet
    546. 

  546.   229  
    547. 

  547.   230    PROCEDURE ExpandRect( VAR r : ARectangle );
    548. 

  548. *****                                  ^ undeclared identifier
    549. 

  549.   231      BEGIN
    550. 

  550.   232        IF r.col1 > 1 THEN
    551. 

  551. *****           ^ not supported yet
    552. 

  552. *****             ^ not supported yet
    553. 

  553.   233          DEC( r.col1 );
    554. 

  554. *****          ^ undeclared identifier
    555. 

  555. *****               ^ not supported yet
    556. 

  556. *****                 ^ not supported yet
    557. 

  557.   234        END;
    558. 

  558.   235        IF r.row1 > 1 THEN
    559. 

  559. *****           ^ not supported yet
    560. 

  560. *****             ^ not supported yet
    561. 

  561.   236          DEC( r.row1 );
    562. 

  562. *****          ^ undeclared identifier
    563. 

  563. *****               ^ not supported yet
    564. 

  564. *****                 ^ not supported yet
    565. 

  565.   237        END;
    566. 

  566.   238        INC( r.col2 );
    567. 

  567. *****        ^ undeclared identifier
    568. 

  568. *****             ^ not supported yet
    569. 

  569. *****               ^ not supported yet
    570. 

  570.   239        INC( r.row2 );
    571. 

  571. *****        ^ undeclared identifier
    572. 

  572. *****             ^ not supported yet
    573. 

  573. *****               ^ not supported yet
    574. 

  574.   240      END ExpandRect;
    575. 

  575. *****          ^ not supported yet
    576. 

  576.   241  
    577. 

  577.   242  BEGIN
    578. 

  578.   243    Initialized := FALSE;
    579. 

  579.   244    Init();
    580. 

  580. *****    ^ not supported yet
    581. 

  581. *****         ^ not supported yet
    582. 

  582.   245  END Rectangles.
    583. 

  583. *****      ^ not supported yet
    584. 

  584. 

  585.   336 errors
    586. 

  586. 

  587.