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TPATTERN.LST

TPATTERN.LST 13 KB
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  1. Listing:
    2. 

  2. 

  3.     1  (******************************************************************************)
    4. 

  4.     2  (*                              TPATTERN.MOD                                  *)
    5. 

  5.     3  (*                                                                            *)
    6. 

  6.     4  (*    MetaWINDOW HOWTO: program series.  Demonstrates patterns and shapes.    *)
    7. 

  7.     5  (* Transcribed from TPATTERN.C METAGRAPHICS SOFTWARE CORPORATION (c) 1987-1989*)
    8. 

  8.     6  (*                                                                            *)
    9. 

  9.     7  (*  PSW 10/31/90 02:44am                                                      *)
    10. 

  10.     8  (******************************************************************************)
    11. 

  11.     9  
    12. 

  12.    10  MODULE TPattern;
    13. 

  13.    11  (*
    14. 

  14.    12   *  Graphix
    15. 

  15.    13   *  Release 3.7
    16. 

  16.    14   *  (c) Copyright 1986-1992 PMI
    17. 

  17.    15   *  Green Bay, Wisconsin
    18. 

  18.    16   *  (414) 468-6040
    19. 

  19.    17   *  All rights reserved
    20. 

  20.    18   *
    21. 

  21.    19   *)
    22. 

  22.    20  
    23. 

  23.    21    IMPORT GrConst;
    24. 

  24.    22    IMPORT GrPorts;
    25. 

  25.    23    IMPORT Meta;
    26. 

  26.    24    IMPORT GrQry;
    27. 

  27.    25    IMPORT IO;
    28. 

  28.    26  
    29. 

  29.    27    FROM GrConst IMPORT rect, point, polyHead;
    30. 

  30. *****         ^ duplicate identifier
    31. 

  31.    28  
    32. 

  32.    29    VAR
    33. 

  33.    30      GrafixCard,
    34. 

  34.    31      CommPort: INTEGER;
    35. 

  35.    32      sR,R:     rect;
    36. 

  36.    33      ScrnXmax,
    37. 

  37.    34      ScrnYmax,
    38. 

  38.    35      x,y,z,
    39. 

  39.    36      dx,dy,
    40. 

  40.    37      dxx,dyy,
    41. 

  41.    38      h,i,j,k,
    42. 

  42.    39      clr,pat,
    43. 

  43.    40      object:   INTEGER;
    44. 

  44.    41      p_pts:    ARRAY[0..6] OF point;    (* The polygon point series *)
    45. 

  45. *****                         ^ not supported yet
    46. 

  46. *****                               ^ not supported yet
    47. 

  47.    42      p_hdr:    polyHead;                (* the polygon header array *)
    48. 

  48.    43  
    49. 

  49.    44  
    50. 

  50.    45  BEGIN
    51. 

  51.    46    (* init the system *)
    52. 

  52.    47  
    53. 

  53.    48    GrQry.GrQuery(GrafixCard, CommPort);
    54. 

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

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

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

  57.    49  
    58. 

  58.    50    i := Meta.InitGrafix(-GrafixCard);
    59. 

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

  60. *****              ^ not supported yet
    61. 

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

  62.    51  
    63. 

  63.    52    IF (i # 0) THEN
    64. 

  64.    53      (* Display reason for no go *)
    65. 

  65.    54      GrQry.GrInitErr(GrafixCard, CommPort, i);
    66. 

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

  67. *****            ^ not supported yet
    68. 

  68. *****                                             ^ not supported yet
    69. 

  69.    55    END;
    70. 

  70.    56  
    71. 

  71.    57    IO.WrStr('TPATTERN - Color and pattern display');
    72. 

  72. *****    ^ not supported yet
    73. 

  73. *****       ^ not supported yet
    74. 

  74. *****             ^ not supported yet
    75. 

  75.    58    IO.WrLn; IO.WrLn;
    76. 

  76. *****    ^ not supported yet
    77. 

  77. *****       ^ not supported yet
    78. 

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

  79. *****                ^ not supported yet
    80. 

  80.    59    IO.WrStr('What object to use ?');
    81. 

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

  82. *****       ^ not supported yet
    83. 

  83. *****             ^ not supported yet
    84. 

  84.    60    IO.WrLn;
    85. 

  85. *****    ^ not supported yet
    86. 

  86. *****       ^ not supported yet
    87. 

  87.    61    IO.WrStr(' 1) Rectangles');
    88. 

  88. *****    ^ not supported yet
    89. 

  89. *****       ^ not supported yet
    90. 

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

  91.    62    IO.WrLn;
    92. 

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

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

  94.    63    IO.WrStr(' 2) RoundRectangles');
    95. 

  95. *****    ^ not supported yet
    96. 

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

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

  98.    64    IO.WrLn;
    99. 

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

  100. *****       ^ not supported yet
    101. 

  101.    65    IO.WrStr(' 3) Ovals');
    102. 

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

  103. *****       ^ not supported yet
    104. 

  104. *****             ^ not supported yet
    105. 

  105.    66    IO.WrLn;
    106. 

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

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

  108.    67    IO.WrStr(' 4) Arcs');
    109. 

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

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

  111. *****             ^ not supported yet
    112. 

  112.    68    IO.WrLn;
    113. 

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

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

  115.    69    IO.WrStr(' 5) Polygons [ ]');
    116. 

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

  117. *****       ^ not supported yet
    118. 

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

  119.    70    IO.WrChar(CHR(8));
    120. 

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

  121. *****       ^ not supported yet
    122. 

  122. *****              ^ undeclared identifier
    123. 

  123. *****                   ^ not supported yet
    124. 

  124.    71    IO.WrChar(CHR(8));
    125. 

  125. *****    ^ not supported yet
    126. 

  126. *****       ^ not supported yet
    127. 

  127. *****              ^ undeclared identifier
    128. 

  128. *****                   ^ not supported yet
    129. 

  129.    72  
    130. 

  130.    73    object := IO.RdInt();
    131. 

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

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

  133. *****                       ^ not supported yet
    134. 

  134.    74  
    135. 

  135.    75    IF (object < 1) OR (object > 5) THEN
    136. 

  136.    76      GrQry.GrQuit('Illegal object!', 1);
    137. 

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

  138. *****            ^ not supported yet
    139. 

  139. *****                   ^ not supported yet
    140. 

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

  141.    77    END;
    142. 

  142.    78  
    143. 

  143.    79    Meta.SetDisplay(GrConst.GrafPg0);
    144. 

  144. *****    ^ not supported yet
    145. 

  145. *****         ^ not supported yet
    146. 

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

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

  148.    80    Meta.ScreenRect(sR);
    149. 

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

  150. *****         ^ not supported yet
    151. 

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

  152.    81    Meta.EraseRect(sR);
    153. 

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

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

  155. *****                   ^ not supported yet
    156. 

  156.    82    Meta.RasterOp(GrConst.zREPz);
    157. 

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

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

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

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

  161.    83    ScrnXmax := sR.Xmax;
    162. 

  162. *****                ^ not supported yet
    163. 

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

  164.    84    ScrnYmax := sR.Ymax;
    165. 

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

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

  167.    85  
    168. 

  168.    86  (* set up the  polygon header array *)
    169. 

  169.    87    p_hdr.polyBgn  := 0;
    170. 

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

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

  172.    88    p_hdr.polyEnd  := 6;
    173. 

  173. *****    ^ not supported yet
    174. 

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

  175.    89    p_hdr.polyRect := sR;
    176. 

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

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

  178. *****                      ^ not supported yet
    179. 

  179.    90  
    180. 

  180.    91    dx  := (ScrnXmax+1) DIV 8;
    181. 

  181.    92    dy  := (ScrnYmax+1) DIV 4;
    182. 

  182.    93    dxx := dx DIV 5;
    183. 

  183.    94    dyy := dy DIV 6;
    184. 

  184.    95  
    185. 

  185.    96    clr := Meta.QueryColors();
    186. 

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

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

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

  189.    97    k   := clr - 1;
    190. 

  190.    98  
    191. 

  191.    99    FOR h := 0 TO 15 DO
    192. 

  192.   100      INC(k, 31);
    193. 

  193. *****      ^ undeclared identifier
    194. 

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

  195.   101      pat := 0;
    196. 

  196.   102      y   := 0;
    197. 

  197.   103  
    198. 

  198.   104      FOR i := 0 TO 3 DO  (* 4 down *)
    199. 

  199.   105        x := 0;
    200. 

  200.   106        FOR j := 0 TO 7 DO (* 8 across *)
    201. 

  201.   107          Meta.SetRect(R, x, y, x+(dx-dxx), y+(dy-dyy));
    202. 

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

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

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

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

  206.   108          Meta.BackColor(k); Meta.PenColor(clr-k);
    207. 

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

  208. *****               ^ not supported yet
    209. 

  209. *****                          ^ not supported yet
    210. 

  210. *****                             ^ not supported yet
    211. 

  211. *****                                  ^ not supported yet
    212. 

  212. *****                                                ^ not supported yet
    213. 

  213.   109  
    214. 

  214.   110          CASE object OF
    215. 

  215.   111          | 1:
    216. 

  216.   112            Meta.FillRect(R, pat);
    217. 

  217. *****            ^ not supported yet
    218. 

  218. *****                 ^ not supported yet
    219. 

  219. *****                          ^ not supported yet
    220. 

  220. *****                                ^ not supported yet
    221. 

  221.   113            Meta.FrameRect(R);
    222. 

  222. *****            ^ not supported yet
    223. 

  223. *****                 ^ not supported yet
    224. 

  224. *****                           ^ not supported yet
    225. 

  225.   114          | 2:
    226. 

  226.   115            Meta.FillRoundRect(R, dxx, dyy, pat);
    227. 

  227. *****            ^ not supported yet
    228. 

  228. *****                 ^ not supported yet
    229. 

  229. *****                               ^ not supported yet
    230. 

  230. *****                                               ^ not supported yet
    231. 

  231.   116            Meta.FrameRoundRect(R, dxx, dyy);
    232. 

  232. *****            ^ not supported yet
    233. 

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

  234. *****                                ^ not supported yet
    235. 

  235. *****                                           ^ not supported yet
    236. 

  236.   117          | 3:
    237. 

  237.   118            Meta.FillOval(R, pat);
    238. 

  238. *****            ^ not supported yet
    239. 

  239. *****                 ^ not supported yet
    240. 

  240. *****                          ^ not supported yet
    241. 

  241. *****                                ^ not supported yet
    242. 

  242.   119            Meta.FrameOval(R);
    243. 

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

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

  245. *****                           ^ not supported yet
    246. 

  246.   120          | 4:
    247. 

  247.   121            Meta.FillArc(R, pat*80, 450, pat);
    248. 

  248. *****            ^ not supported yet
    249. 

  249. *****                 ^ not supported yet
    250. 

  250. *****                         ^ not supported yet
    251. 

  251. *****                                            ^ not supported yet
    252. 

  252.   122            Meta.FrameArc(R, pat*80, 450);
    253. 

  253. *****            ^ not supported yet
    254. 

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

  255. *****                          ^ not supported yet
    256. 

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

  257.   123          | 5:
    258. 

  258.   124            z := 0;
    259. 

  259.   125  
    260. 

  260.   126            p_pts[z].X := x;
    261. 

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

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

  263. *****                     ^ not supported yet
    264. 

  264.   127            p_pts[z].Y := y;
    265. 

  265. *****            ^ not supported yet
    266. 

  266. *****                   ^ not supported yet
    267. 

  267. *****                     ^ not supported yet
    268. 

  268.   128            INC(z);
    269. 

  269. *****            ^ undeclared identifier
    270. 

  270. *****                 ^ not supported yet
    271. 

  271.   129  
    272. 

  272.   130            p_pts[z].X := x + ((dx-dxx) DIV 2);
    273. 

  273. *****            ^ not supported yet
    274. 

  274. *****                   ^ not supported yet
    275. 

  275. *****                     ^ not supported yet
    276. 

  276.   131            p_pts[z].Y := y + (dy-dyy);
    277. 

  277. *****            ^ not supported yet
    278. 

  278. *****                   ^ not supported yet
    279. 

  279. *****                     ^ not supported yet
    280. 

  280.   132            INC(z);
    281. 

  281. *****            ^ undeclared identifier
    282. 

  282. *****                 ^ not supported yet
    283. 

  283.   133  
    284. 

  284.   134            p_pts[z].X := x + (dx-dxx);
    285. 

  285. *****            ^ not supported yet
    286. 

  286. *****                   ^ not supported yet
    287. 

  287. *****                     ^ not supported yet
    288. 

  288.   135            p_pts[z].Y := y;
    289. 

  289. *****            ^ not supported yet
    290. 

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

  291. *****                     ^ not supported yet
    292. 

  292.   136            INC(z);
    293. 

  293. *****            ^ undeclared identifier
    294. 

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

  295.   137  
    296. 

  296.   138            p_pts[z].X := x + (dx-dxx);
    297. 

  297. *****            ^ not supported yet
    298. 

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

  299. *****                     ^ not supported yet
    300. 

  300.   139            p_pts[z].Y := y + (dy-dyy);
    301. 

  301. *****            ^ not supported yet
    302. 

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

  303. *****                     ^ not supported yet
    304. 

  304.   140            INC(z);
    305. 

  305. *****            ^ undeclared identifier
    306. 

  306. *****                 ^ not supported yet
    307. 

  307.   141  
    308. 

  308.   142            p_pts[z].X := x + ((dx-dxx) DIV 2);
    309. 

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

  310. *****                   ^ not supported yet
    311. 

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

  312.   143            p_pts[z].Y := y;
    313. 

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

  314. *****                   ^ not supported yet
    315. 

  315. *****                     ^ not supported yet
    316. 

  316.   144            INC(z);
    317. 

  317. *****            ^ undeclared identifier
    318. 

  318. *****                 ^ not supported yet
    319. 

  319.   145  
    320. 

  320.   146            p_pts[z].X := x;
    321. 

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

  322. *****                   ^ not supported yet
    323. 

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

  324.   147            p_pts[z].Y := y + (dy-dyy);
    325. 

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

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

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

  328.   148            INC(z);
    329. 

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

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

  331.   149  
    332. 

  332.   150            p_pts[z].X := x;
    333. 

  333. *****            ^ not supported yet
    334. 

  334. *****                   ^ not supported yet
    335. 

  335. *****                     ^ not supported yet
    336. 

  336.   151            p_pts[z].Y := y;
    337. 

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

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

  339. *****                     ^ not supported yet
    340. 

  340.   152  
    341. 

  341.   153            Meta.FillPoly(1, ADR(p_hdr), ADR(p_pts), pat)
    342. 

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

  343. *****                 ^ not supported yet
    344. 

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

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

  346. *****                                         ^ undeclared identifier
    347. 

  347. *****                                             ^ not supported yet
    348. 

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

  349.   154          END;
    350. 

  350.   155  
    351. 

  351.   156          INC(x, dx);
    352. 

  352. *****          ^ undeclared identifier
    353. 

  353. *****                   ^ not supported yet
    354. 

  354.   157          INC(pat);
    355. 

  355. *****          ^ undeclared identifier
    356. 

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

  357.   158          INC(k)
    358. 

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

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

  360.   159        END;
    361. 

  361.   160  
    362. 

  362.   161        INC(y, dy)
    363. 

  363. *****        ^ undeclared identifier
    364. 

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

  365.   162      END
    366. 

  366.   163    END;
    367. 

  367.   164  
    368. 

  368.   165    GrQry.GrQuit('', 0)
    369. 

  369. *****    ^ not supported yet
    370. 

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

  371. *****                      ^ not supported yet
    372. 

  372.   166  END TPattern.
    373. 

  373. 

  374.   204 errors
    375. 

  375. 

  376.