/usr/share/doc/libplplot11/examples/ocaml/x23.ml is in libplplot-dev 5.9.9-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | (*
Displays Greek letters and mathematically interesting Unicode ranges
Copyright (C) 2005,2008 Alan Irwin
Copyright (C) 2005,2008 Andrew Ross
Copyright (C) 2008 Hezekiah M. Carty
This file is part of PLplot.
PLplot is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
PLplot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with PLplot; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
open Plplot
open Printf
(*
* Displays Greek letters and mathematically interesting Unicode ranges
*)
let greek = [|
"#gA";"#gB";"#gG";"#gD";"#gE";"#gZ";"#gY";"#gH";"#gI";"#gK";"#gL";"#gM";
"#gN";"#gC";"#gO";"#gP";"#gR";"#gS";"#gT";"#gU";"#gF";"#gX";"#gQ";"#gW";
"#ga";"#gb";"#gg";"#gd";"#ge";"#gz";"#gy";"#gh";"#gi";"#gk";"#gl";"#gm";
"#gn";"#gc";"#go";"#gp";"#gr";"#gs";"#gt";"#gu";"#gf";"#gx";"#gq";"#gw";
|]
let type1 = [|
0x0020;0x0021;0x0023;0x0025;0x0026;
0x0028;0x0029;0x002b;0x002c;0x002e;
0x002f;0x0030;0x0031;0x0032;0x0033;
0x0034;0x0035;0x0036;0x0037;0x0038;
0x0039;0x003a;0x003b;0x003c;0x003d;
0x003e;0x003f;0x005b;0x005d;0x005f;
0x007b;0x007c;0x007d;0x00a9;0x00ac;
0x00ae;0x00b0;0x00b1;0x00d7;0x00f7;
0x0192;0x0391;0x0392;0x0393;0x0394;
0x0395;0x0396;0x0397;0x0398;0x0399;
0x039a;0x039b;0x039c;0x039d;0x039e;
0x039f;0x03a0;0x03a1;0x03a3;0x03a4;
0x03a5;0x03a6;0x03a7;0x03a8;0x03a9;
0x03b1;0x03b2;0x03b3;0x03b4;0x03b5;
0x03b6;0x03b7;0x03b8;0x03b9;0x03ba;
0x03bb;0x03bc;0x03bd;0x03be;0x03bf;
0x03c0;0x03c1;0x03c2;0x03c3;0x03c4;
0x03c5;0x03c6;0x03c7;0x03c8;0x03c9;
0x03d1;0x03d2;0x03d5;0x03d6;0x2022;
0x2026;0x2032;0x2033;0x203e;0x2044;
0x2111;0x2118;0x211c;0x2122;0x2126;
0x2135;0x2190;0x2191;0x2192;0x2193;
0x2194;0x21b5;0x21d0;0x21d1;0x21d2;
0x21d3;0x21d4;0x2200;0x2202;0x2203;
0x2205;0x2206;0x2207;0x2208;0x2209;
0x220b;0x220f;0x2211;0x2212;0x2215;
0x2217;0x221a;0x221d;0x221e;0x2220;
0x2227;0x2228;0x2229;0x222a;0x222b;
0x2234;0x223c;0x2245;0x2248;0x2260;
0x2261;0x2264;0x2265;0x2282;0x2283;
0x2284;0x2286;0x2287;0x2295;0x2297;
0x22a5;0x22c5;0x2320;0x2321;0x2329;
0x232a;0x25ca;0x2660;0x2663;0x2665;
0x2666;
|]
let title = [|
"#<0x10>PLplot Example 23 - Greek Letters";
"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (a)";
"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (b)";
"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (c)";
"#<0x10>PLplot Example 23 - Number Forms Unicode Block";
"#<0x10>PLplot Example 23 - Arrows Unicode Block (a)";
"#<0x10>PLplot Example 23 - Arrows Unicode Block (b)";
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (a)";
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (b)";
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (c)";
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (d)";
|]
let lo = [|
0x0;
0x0;
0x40;
0x80;
0x2153;
0x2190;
0x21d0;
0x2200;
0x2240;
0x2280;
0x22c0;
|]
let hi = [|
0x30;
0x40;
0x80;
0xA6;
0x2184;
0x21d0;
0x2200;
0x2240;
0x2280;
0x22c0;
0x2300;
|]
let nxcells = [|
12;
8;
8;
8;
8;
8;
8;
8;
8;
8;
8;
|]
let nycells = [|
8;
8;
8;
8;
8;
8;
8;
8;
8;
8;
8;
|]
(* non-zero values Must be consistent with nxcells and nycells. *)
let offset = [|
0;
0;
64;
128;
0;
0;
0;
0;
0;
0;
0;
|]
(* 30 possible FCI values. *)
let fci_combinations = 30
let fci = [|
0x80000000L;
0x80000001L;
0x80000002L;
0x80000003L;
0x80000004L;
0x80000010L;
0x80000011L;
0x80000012L;
0x80000013L;
0x80000014L;
0x80000020L;
0x80000021L;
0x80000022L;
0x80000023L;
0x80000024L;
0x80000100L;
0x80000101L;
0x80000102L;
0x80000103L;
0x80000104L;
0x80000110L;
0x80000111L;
0x80000112L;
0x80000113L;
0x80000114L;
0x80000120L;
0x80000121L;
0x80000122L;
0x80000123L;
0x80000124L;
|]
let family = [|
"sans-serif";
"serif";
"monospace";
"script";
"symbol";
|]
let style = [|
"upright";
"italic";
"oblique";
|]
let weight = [|
"medium";
"bold";
|]
let family_of_int = [|
PL_FCI_SANS;
PL_FCI_SERIF;
PL_FCI_MONO;
PL_FCI_SCRIPT;
PL_FCI_SYMBOL;
|]
let style_of_int = [|
PL_FCI_UPRIGHT;
PL_FCI_ITALIC;
PL_FCI_OBLIQUE;
|]
let weight_of_int = [|
PL_FCI_MEDIUM;
PL_FCI_BOLD;
|]
let () =
plparseopts Sys.argv [PL_PARSE_FULL];
plinit ();
for page = 0 to 10 do
pladv 0;
(* Set up viewport and window *)
plvpor 0.02 0.98 0.02 0.90;
plwind 0.0 1.0 0.0 1.0;
let xmin, xmax, ymin, ymax = plgspa () in
plschr 0.0 0.8;
let ycharacter_scale = 1.0 /. (ymax -. ymin) in
(* Factor should be 0.5, but heuristically it turns out to be larger. *)
let chardef, charht = plgchr () in
let yoffset = 1.0 *. charht *. ycharacter_scale in
(* Draw the grid using plbox *)
plcol0 2;
let deltax = 1.0 /. float_of_int nxcells.(page) in
let deltay = 1.0 /. float_of_int nycells.(page) in
plbox "bcg" deltax 0 "bcg" deltay 0;
plcol0 15;
let length = hi.(page) - lo.(page) in
let slice = ref 0 in
for j = nycells.(page) - 1 downto -1 do
let y = (0.5 +. float_of_int j) *. deltay in
for i = 0 to nxcells.(page) - 1 do
let x = (0.5 +. float_of_int i) *. deltax in
if !slice < length then (
let cmdString =
match page with
0 -> sprintf "#%s" greek.(!slice)
| 1
| 2
| 3 -> sprintf "##[0x%.4x]" type1.(offset.(page) + !slice)
| _ -> sprintf "##[0x%.4x]" (lo.(page) + !slice);
in
let cmdString' =
String.sub cmdString 1 (String.length cmdString - 1)
in
plptex x (y +. yoffset) 1.0 0.0 0.5 cmdString';
plptex x (y -. yoffset) 1.0 0.0 0.5 cmdString;
);
incr slice;
done
done;
plschr 0.0 1.0;
(* Page title *)
plmtex "t" 1.5 0.5 0.5 title.(page);
done;
(* Demonstrate methods of getting the current fonts *)
let fci_old = plgfci () in
let ifamily, istyle, iweight = plgfont () in
printf "For example 23 prior to page 12 the FCI is 0x%lx\n"
(Int64.to_int32 fci_old);
printf "For example 23 prior to page 12 the font family, style and weight are %s %s %s\n"
family.(ifamily) style.(istyle) weight.(iweight);
for page = 11 to 15 do
let dy = 0.030 in
pladv 0;
plvpor 0.02 0.98 0.02 0.90;
plwind 0.0 1.0 0.0 1.0;
plsfci 0L;
let () =
match page with
11 ->
plmtex "t" 1.5 0.5 0.5
"#<0x10>PLplot Example 23 - Set Font with plsfci";
| 12 ->
plmtex "t" 1.5 0.5 0.5
"#<0x10>PLplot Example 23 - Set Font with plsfont";
| 13 ->
plmtex "t" 1.5 0.5 0.5
"#<0x10>PLplot Example 23 - Set Font with ##<0x8nnnnnnn> construct";
| 14 ->
plmtex "t" 1.5 0.5 0.5
"#<0x10>PLplot Example 23 - Set Font with ##<0xmn> constructs";
| 15 ->
plmtex "t" 1.5 0.5 0.5
"#<0x10>PLplot Example 23 - Set Font with ##<FCI COMMAND STRING/> constructs";
| _ -> failwith "Invalid page"
in
plschr 0.0 0.75;
for i = 0 to fci_combinations - 1 do
let family_index = i mod 5 in
let style_index = (i / 5) mod 3 in
let weight_index = ((i / 5) / 3) mod 2 in
let text_string =
match page with
11 ->
plsfci fci.(i);
sprintf
"Page 12, %s, %s, %s: The quick brown fox jumps over the lazy dog"
family.(family_index)
style.(style_index)
weight.(weight_index);
| 12 ->
plsfont family_of_int.(family_index) style_of_int.(style_index)
weight_of_int.(weight_index);
sprintf
"Page 13, %s, %s, %s: The quick brown fox jumps over the lazy dog"
family.(family_index)
style.(style_index)
weight.(weight_index);
| 13 ->
sprintf
"Page 14, %s, %s, %s: #<0x%Lx>The quick brown fox jumps over the lazy dog"
family.(family_index)
style.(style_index)
weight.(weight_index)
fci.(i);
| 14 ->
sprintf
"Page 15, %s, %s, %s: #<0x%1x0>#<0x%1x1>#<0x%1x2>The quick brown fox jumps over the lazy dog"
family.(family_index)
style.(style_index)
weight.(weight_index)
family_index
style_index
weight_index;
| 15 ->
sprintf
"Page 16, %s, %s, %s: #<%s/>#<%s/>#<%s/>The quick brown fox jumps over the lazy dog"
family.(family_index)
style.(style_index)
weight.(weight_index)
family.(family_index)
style.(style_index)
weight.(weight_index);
| _ -> failwith "Invalid page"
in
plptex 0.0 (1.0 -. (float_of_int i +. 0.5) *. dy) 1.0 0.0 0.0 text_string;
done;
plschr 0.0 1.0;
done;
(* Restore defaults *)
plcol0 1;
plend ();
()
|