Savannah Git Hosting - enscript.git/blob

1 /*

2 * The default font.

4 *

5 * Author: Markku Rossi <mtr@iki.fi>

6 */

8 /*

9 * This program is free software; you can redistribute it and/or modify

10 * it under the terms of the GNU General Public License as published by

11 * the Free Software Foundation; either version 2, or (at your option)

12 * any later version.

13 *

14 * This program is distributed in the hope that it will be useful,

15 * but WITHOUT ANY WARRANTY; without even the implied warranty of

16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

17 * GNU General Public License for more details.

18 *

19 * You should have received a copy of the GNU General Public License

20 * along with this program; see the file COPYING. If not, write to

21 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,

22 * Boston, MA 02110-1301, USA.

23 */

25 #include "afmint.h"

26 #include "afm.h"

29 /*

30 * Static variables.

31 */

33 static AFMEncodingTable builtin_courier[] =

34 {

35 {32, "space"},

36 {33, "exclam"},

37 {34, "quotedbl"},

38 {35, "numbersign"},

39 {36, "dollar"},

40 {37, "percent"},

41 {38, "ampersand"},

42 {39, "quoteright"},

43 {40, "parenleft"},

44 {41, "parenright"},

45 {42, "asterisk"},

46 {43, "plus"},

47 {44, "comma"},

48 {45, "hyphen"},

49 {46, "period"},

50 {47, "slash"},

51 {48, "zero"},

52 {49, "one"},

53 {50, "two"},

54 {51, "three"},

55 {52, "four"},

56 {53, "five"},

57 {54, "six"},

58 {55, "seven"},

59 {56, "eight"},

60 {57, "nine"},

61 {58, "colon"},

62 {59, "semicolon"},

63 {60, "less"},

64 {61, "equal"},

65 {62, "greater"},

66 {63, "question"},

67 {64, "at"},

68 {65, "A"},

69 {66, "B"},

70 {67, "C"},

71 {68, "D"},

72 {69, "E"},

73 {70, "F"},

74 {71, "G"},

75 {72, "H"},

76 {73, "I"},

77 {74, "J"},

78 {75, "K"},

79 {76, "L"},

80 {77, "M"},

81 {78, "N"},

82 {79, "O"},

83 {80, "P"},

84 {81, "Q"},

85 {82, "R"},

86 {83, "S"},

87 {84, "T"},

88 {85, "U"},

89 {86, "V"},

90 {87, "W"},

91 {88, "X"},

92 {89, "Y"},

93 {90, "Z"},

94 {91, "bracketleft"},

95 {92, "backslash"},

96 {93, "bracketright"},

97 {94, "asciicircum"},

98 {95, "underscore"},

99 {96, "quoteleft"},

100 {97, "a"},

101 {98, "b"},

102 {99, "c"},

103 {100, "d"},

104 {101, "e"},

105 {102, "f"},

106 {103, "g"},

107 {104, "h"},

108 {105, "i"},

109 {106, "j"},

110 {107, "k"},

111 {108, "l"},

112 {109, "m"},

113 {110, "n"},

114 {111, "o"},

115 {112, "p"},

116 {113, "q"},

117 {114, "r"},

118 {115, "s"},

119 {116, "t"},

120 {117, "u"},

121 {118, "v"},

122 {119, "w"},

123 {120, "x"},

124 {121, "y"},

125 {122, "z"},

126 {123, "braceleft"},

127 {124, "bar"},

128 {125, "braceright"},

129 {126, "asciitilde"},

130 {161, "exclamdown"},

131 {162, "cent"},

132 {163, "sterling"},

133 {164, "fraction"},

134 {165, "yen"},

135 {166, "florin"},

136 {167, "section"},

137 {168, "currency"},

138 {169, "quotesingle"},

139 {170, "quotedblleft"},

140 {171, "guillemotleft"},

141 {172, "guilsinglleft"},

142 {173, "guilsinglright"},

143 {174, "fi"},

144 {175, "fl"},

145 {177, "endash"},

146 {178, "dagger"},

147 {179, "daggerdbl"},

148 {180, "periodcentered"},

149 {182, "paragraph"},

150 {183, "bullet"},

151 {184, "quotesinglbase"},

152 {185, "quotedblbase"},

153 {186, "quotedblright"},

154 {187, "guillemotright"},

155 {188, "ellipsis"},

156 {189, "perthousand"},

157 {191, "questiondown"},

158 {193, "grave"},

159 {194, "acute"},

160 {195, "circumflex"},

161 {196, "tilde"},

162 {197, "macron"},

163 {198, "breve"},

164 {199, "dotaccent"},

165 {200, "dieresis"},

166 {202, "ring"},

167 {203, "cedilla"},

168 {205, "hungarumlaut"},

169 {206, "ogonek"},

170 {207, "caron"},

171 {208, "emdash"},

172 {225, "AE"},

173 {227, "ordfeminine"},

174 {232, "Lslash"},

175 {233, "Oslash"},

176 {234, "OE"},

177 {235, "ordmasculine"},

178 {241, "ae"},

179 {245, "dotlessi"},

180 {248, "lslash"},

181 {249, "oslash"},

182 {250, "oe"},

183 {251, "germandbls"},

184 {-1, "Aacute"},

185 {-1, "Acircumflex"},

186 {-1, "Adieresis"},

187 {-1, "Agrave"},

188 {-1, "Aring"},

189 {-1, "Atilde"},

190 {-1, "Ccedilla"},

191 {-1, "Eacute"},

192 {-1, "Ecircumflex"},

193 {-1, "Edieresis"},

194 {-1, "Egrave"},

195 {-1, "Eth"},

196 {-1, "Gcaron"},

197 {-1, "IJ"},

198 {-1, "Iacute"},

199 {-1, "Icircumflex"},

200 {-1, "Idieresis"},

201 {-1, "Idot"},

202 {-1, "Igrave"},

203 {-1, "LL"},

204 {-1, "Ntilde"},

205 {-1, "Oacute"},

206 {-1, "Ocircumflex"},

207 {-1, "Odieresis"},

208 {-1, "Ograve"},

209 {-1, "Otilde"},

210 {-1, "Scaron"},

211 {-1, "Scedilla"},

212 {-1, "Thorn"},

213 {-1, "Uacute"},

214 {-1, "Ucircumflex"},

215 {-1, "Udieresis"},

216 {-1, "Ugrave"},

217 {-1, "Yacute"},

218 {-1, "Ydieresis"},

219 {-1, "Zcaron"},

220 {-1, "aacute"},

221 {-1, "acircumflex"},

222 {-1, "adieresis"},

223 {-1, "agrave"},

224 {-1, "aring"},

225 {-1, "arrowboth"},

226 {-1, "arrowdown"},

227 {-1, "arrowleft"},

228 {-1, "arrowright"},

229 {-1, "arrowup"},

230 {-1, "atilde"},

231 {-1, "brokenbar"},

232 {-1, "ccedilla"},

233 {-1, "center"},

234 {-1, "copyright"},

235 {-1, "dectab"},

236 {-1, "degree"},

237 {-1, "divide"},

238 {-1, "down"},

239 {-1, "eacute"},

240 {-1, "ecircumflex"},

241 {-1, "edieresis"},

242 {-1, "egrave"},

243 {-1, "eth"},

244 {-1, "format"},

245 {-1, "gcaron"},

246 {-1, "graybox"},

247 {-1, "iacute"},

248 {-1, "icircumflex"},

249 {-1, "idieresis"},

250 {-1, "igrave"},

251 {-1, "ij"},

252 {-1, "indent"},

253 {-1, "largebullet"},

254 {-1, "left"},

255 {-1, "lira"},

256 {-1, "ll"},

257 {-1, "logicalnot"},

258 {-1, "merge"},

259 {-1, "minus"},

260 {-1, "mu"},

261 {-1, "multiply"},

262 {-1, "notegraphic"},

263 {-1, "ntilde"},

264 {-1, "oacute"},

265 {-1, "ocircumflex"},

266 {-1, "odieresis"},

267 {-1, "ograve"},

268 {-1, "onehalf"},

269 {-1, "onequarter"},

270 {-1, "onesuperior"},

271 {-1, "otilde"},

272 {-1, "overscore"},

273 {-1, "plusminus"},

274 {-1, "prescription"},

275 {-1, "registered"},

276 {-1, "return"},

277 {-1, "scaron"},

278 {-1, "scedilla"},

279 {-1, "square"},

280 {-1, "stop"},

281 {-1, "tab"},

282 {-1, "thorn"},

283 {-1, "threequarters"},

284 {-1, "threesuperior"},

285 {-1, "trademark"},

286 {-1, "twosuperior"},

287 {-1, "uacute"},

288 {-1, "ucircumflex"},

289 {-1, "udieresis"},

290 {-1, "ugrave"},

291 {-1, "up"},

292 {-1, "yacute"},

293 {-1, "ydieresis"},

294 {-1, "zcaron"},

295 {0, NULL},

296 };

297

298 #define NUM_CHARACTER_METRICS \

299 (sizeof (builtin_courier) / sizeof (AFMEncodingTable) - 1)

300

301 /*

302 * Public functions.

303 */

304

305 AFMError

306 afm_open_default_font (AFMHandle handle, AFMFont *font_return)

307 {

308 AFMFont font;

309 AFMIndividualCharacterMetrics *cm;

310 int i;

311

312 /* Alloc memory. */

313

314 font = (AFMFont) calloc (1, sizeof (*font));

315 if (font == NULL)

316 goto error_out;

317 font->private

318 = (struct afm_font_private_data_st *) calloc (1, sizeof (*font->private));

319 if (font->private == NULL)

320 goto error_out;

321 font->private->fontnames = strhash_init ();

322 if (font->private->fontnames == NULL)

323 goto error_out;

324

325 /* Version. */

326 font->version = 4.0;

327

328 /* Global Font Info. */

329

330 font->global_info.FontName = (char *) malloc (strlen ("Courier") + 1);

331 if (font->global_info.FontName == NULL)

332 goto error_out;

333 strcpy (font->global_info.FontName, "Courier");

334

335 font->global_info.FontBBox_llx = -40.0;

336 font->global_info.FontBBox_lly = -290.0;

337 font->global_info.FontBBox_urx = 640.0;

338 font->global_info.FontBBox_ury = 795.0;

339

340 /* Writing directions. */

341 font->writing_direction_metrics[0].is_valid = AFMTrue;

342 font->writing_direction_metrics[0].IsFixedPitch = AFMTrue;

343 font->writing_direction_metrics[0].CharWidth_x = 600.0;

344 font->writing_direction_metrics[0].CharWidth_y = 0.0;

345

346 /* Character Metrics. */

347

348 font->num_character_metrics = NUM_CHARACTER_METRICS;

349 font->character_metrics

350 = (AFMIndividualCharacterMetrics *)

351 calloc (NUM_CHARACTER_METRICS, sizeof (AFMIndividualCharacterMetrics));

352 if (font->character_metrics == NULL)

353 goto error_out;

354

355 for (i = 0; builtin_courier[i].character; i++)

356 {

357 cm = &font->character_metrics[i];

358 cm->name = (char *) malloc (strlen (builtin_courier[i].character) + 1);

359 if (cm->name == NULL)

360 goto error_out;

361 strcpy (cm->name, builtin_courier[i].character);

362

363 if (!strhash_put (font->private->fontnames, cm->name,

364 strlen (cm->name), cm, NULL))

365 goto error_out;

366

367 cm->character_code = builtin_courier[i].code;

368 cm->w0x = 600.0;

369 cm->w0y = 0.0;

370 }

371

372 *font_return = font;

373

374 return AFM_SUCCESS;

375

376

377 error_out:

378 (void) afm_close_font (font);

379

380 return AFM_ERROR_MEMORY;

381 }