1if not modules then modules = { } end modules [ ' font-cft ' ] = {
2 version = 1 . 001 ,
3 comment = " companion to font-ini.mkiv " ,
4 author = " Hans Hagen, PRAGMA-ADE, Hasselt NL " ,
5 copyright = " PRAGMA ADE / ConTeXt Development Team " ,
6 license = " see context related readme files "
7}
8
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22
23local type , tonumber = type , tonumber
24
25local fonts = fonts or { }
26local tables = fonts . tables or { }
27fonts . tables = tables
28
29local data = utilities . storage . allocate ( )
30tables . data = data
31
32do
33
34 local t_units = " <units> "
35 local t_unicode = " <unicode> "
36 local t_unispec = " <unispec> "
37 local t_index = " <index> "
38 local t_cardinal = " <cardinal> "
39 local t_integer = " <integer> "
40 local t_float = " <float> "
41 local t_boolean = " <boolean> "
42 local t_string = " <string> "
43 local t_array = " <array> "
44 local t_hash = " <hash> "
45 local t_scaled = " <scaled> "
46 local t_keyword = " <keyword> "
47 local t_scale = " <scale> "
48 local t_value = " <value> "
49 local t_function = " <function> "
50
51 data . types = {
52 [ " units " ] = " <units> " ,
53 [ " unicode " ] = " <unicode> " ,
54 [ " unispec " ] = " <unispec> " ,
55 [ " index " ] = " <index> " ,
56 [ " cardinal " ] = " <cardinal> " ,
57 [ " integer " ] = " <integer> " ,
58 [ " float " ] = " <float> " ,
59 [ " boolean " ] = " <boolean> " ,
60 [ " string " ] = " <string> " ,
61 [ " array " ] = " <array> " ,
62 [ " hash " ] = " <hash> " ,
63 [ " scaled " ] = " <scaled> " ,
64 [ " keyword " ] = " <keyword> " ,
65 [ " scale " ] = " <scale> " ,
66 [ " value " ] = " <value> " ,
67 [ " function " ] = " <function> " ,
68 }
69
70 local boundingbox = {
71 t_units ,
72 t_units ,
73 t_units ,
74 t_units
75 }
76
77 local mathvariants = {
78 t_array
79 }
80
81 local mathparts = {
82 {
83 advance = t_units ,
84 [ " end " ] = t_units ,
85 extender = t_units ,
86 glyph = t_unicode ,
87 start = t_units ,
88 }
89 }
90
91 local mathkerns = {
92 {
93 height = t_units ,
94 kern = t_units ,
95 } ,
96 }
97
98 local mathparts = {
99 {
100 advance = t_scaled ,
101 [ " end " ] = t_scaled ,
102 extender = t_scaled ,
103 glyph = t_unicode ,
104 start = t_scaled ,
105 }
106 }
107
108 local mathkerns = {
109 {
110 height = t_scaled ,
111 kern = t_scaled ,
112 } ,
113 }
114
115 local vfcommands = {
116 { t_keyword , t_value } ,
117 }
118
119 local description = {
120 width = t_units ,
121 height = t_units ,
122 depth = t_units ,
123 italic = t_units ,
124 index = t_index ,
125 boundingbox = boundingbox ,
126 unicode = t_unispec ,
127 math = {
128 accent = t_units ,
129 hvariants = mathvariants ,
130 vvariants = mathvariants ,
131 hparts = mathparts ,
132 vparts = mathparts ,
133 kerns = {
134 bottomright = mathkerns ,
135 bottomleft = mathkerns ,
136 topright = mathkerns ,
137 topleft = mathkerns ,
138 }
139 } ,
140 }
141
142 local character = {
143 width = t_scaled ,
144 height = t_scaled ,
145 depth = t_scaled ,
146 italic = t_scaled ,
147 index = t_index ,
148 expansion_factor = t_scaled ,
149 left_protruding = t_scaled ,
150 right_protruding = t_scaled ,
151 tounicode = t_string ,
152 unicode = t_unispec ,
153 commands = vfcommands ,
154 accent = t_scaled ,
155 hvariants = mathvariants ,
156 vvariants = mathvariants ,
157 hparts = math_parts ,
158 vparts = math_parts ,
159 kerns = {
160 bottomright = math_kerns ,
161 bottomleft = math_kerns ,
162 topright = math_kerns ,
163 topleft = math_kerns ,
164 } ,
165 ligatures = t_hash ,
166 kerns = t_hash ,
167 next = t_array ,
168 }
169
170 data . original = {
171 cache_uuid = t_string ,
172 cache_version = t_float ,
173 compacted = t_boolean ,
174 creator = t_string ,
175 descriptions = { description } ,
176 format = t_string ,
177 goodies = t_hash ,
178 metadata = {
179 ascender = t_units ,
180 averagewidth = t_units ,
181 capheight = t_units ,
182 descender = t_units ,
183 family = t_string ,
184 familyname = t_string ,
185 fontname = t_string ,
186 fullname = t_string ,
187 italicangle = t_float ,
188 monospaced = t_boolean ,
189 panoseweight = t_string ,
190 panosewidth = t_string ,
191 pfmweight = t_units ,
192 pfmwidth = t_units ,
193 subfamily = t_string ,
194 subfamilyname = t_string ,
195 subfontindex = t_index ,
196 units = t_cardinal ,
197 version = t_string ,
198 weight = t_string ,
199 width = t_string ,
200 xheight = t_units ,
201 } ,
202 private = t_unicode ,
203 properties = {
204 hascolor = t_boolean ,
205 hasitalics = t_boolean ,
206 hasspacekerns = t_boolean ,
207 } ,
208 resources = {
209 duplicates = t_hash ,
210 features = {
211 gpos = t_hash ,
212 gsub = t_hash ,
213 } ,
214 filename = t_string ,
215 markclasses = t_hash ,
216 marks = t_hash ,
217 marksets = t_hash ,
218 mathconstants = t_hash ,
219 private = t_cardinal ,
220 sequences = t_array ,
221
222 version = t_string ,
223 } ,
224 size = t_cardinal ,
225
226 tableversion = t_float ,
227 time = t_cardinal ,
228 }
229
230 data . scaled = {
231 properties = {
232 encodingbytes = t_cardinal ,
233 embedding = t_cardinal ,
234 cidinfo = t_hash ,
235 format = t_string ,
236 fontname = t_string ,
237 fullname = t_string ,
238 filename = t_string ,
239 psname = t_string ,
240 name = t_string ,
241 virtualized = t_boolean ,
242 hasitalics = t_boolean ,
243 autoitalicamount = t_float ,
244 nostackmath = t_boolean ,
245 mode = t_string ,
246 hasmath = t_boolean ,
247 mathitalics = t_boolean ,
248 textitalics = t_boolean ,
249 finalized = t_boolean ,
250 effect = {
251 effect = t_cardinal ,
252 width = t_float ,
253 factor = t_float ,
254 hfactor = t_float ,
255 vfactor = t_float ,
256 wdelta = t_float ,
257 hdelta = t_float ,
258 ddelta = t_float ,
259 }
260 } ,
261 parameters = {
262 mathsize = t_cardinal ,
263 scriptpercentage = t_float ,
264 scriptscriptpercentage = t_float ,
265 units = t_cardinal ,
266 designsize = t_scaled ,
267 expansion = {
268 stretch = t_scale ,
269 shrink = t_scale ,
270 step = t_scale ,
271 auto = t_boolean ,
272 } ,
273 protrusion = {
274 auto = t_boolean ,
275 } ,
276 slantfactor = t_float ,
277 extendfactor = t_float ,
278 mode = t_cardinal ,
279 width = t_scale ,
280 factor = t_float ,
281 hfactor = t_float ,
282 vfactor = t_float ,
283 size = t_scaled ,
284 units = t_scaled ,
285 scaledpoints = t_scaled ,
286 slantperpoint = t_scaled ,
287 xheight = t_scaled ,
288 quad = t_scaled ,
289 ascender = t_scaled ,
290 descender = t_scaled ,
291 spacing = {
292 width = t_scaled ,
293 stretch = t_scaled ,
294 shrink = t_scaled ,
295 extra = t_scaled ,
296 } ,
297
298
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308
309
310 } ,
311 descriptions = { description } ,
312 characters = { character } ,
313 }
314
315 data . goodies = {
316
317 name = t_string ,
318 version = t_string ,
319 comment = t_string ,
320 author = t_string ,
321 copyright = t_string ,
322
323 remapping = {
324 tounicode = t_boolean ,
325 unicodes = {
326 [ t_string ] = t_index ,
327 } ,
328 } ,
329 mathematics = {
330 mapfiles = {
331 t_string ,
332 } ,
333 virtuals = {
334 [ t_string ] = {
335 {
336 name = t_string ,
337 features = t_hash ,
338 main = t_boolean ,
339 extension = t_boolean ,
340 vector = t_string ,
341 skewchar = t_unicode ,
342 parameters = t_boolean ,
343 } ,
344 } ,
345 } ,
346 italics = {
347 [ t_string ] = {
348 defaultfactor = t_float ,
349 disableengine = t_boolean ,
350 corrections = {
351 [ t_unicode ] = t_float ,
352 }
353 } ,
354 } ,
355 kerns = {
356 [ t_unicode ] = {
357 bottomright = math_kerns ,
358 topright = math_kerns ,
359 bottomleft = math_kerns ,
360 topleft = math_kerns ,
361 } ,
362 } ,
363 alternates = {
364 [ t_string ] = {
365 feature = t_hash ,
366 value = t_float ,
367 comment = t_string ,
368 } ,
369 } ,
370 variables = {
371 [ t_string ] = t_value ,
372 } ,
373 parameters = {
374 [ t_string ] = t_value ,
375 [ t_string ] = t_function ,
376 } ,
377 dimensions = {
378 [ t_string ] = {
379 [ t_unicode ] = {
380 width = t_units ,
381 height = t_units ,
382 depth = t_units ,
383 xoffset = t_units ,
384 yoffset = t_units ,
385 } ,
386 } ,
387 } ,
388 } ,
389 filenames = {
390 [ t_string ] = {
391 t_string ,
392 } ,
393 } ,
394 compositions = {
395 [ t_string ] = {
396 dy = t_unit ,
397 dx = t_unit ,
398 [ t_unicode ] = {
399 dy = t_unit
400 } ,
401 [ t_unicode ] = {
402 anchors = {
403 top = {
404 x = t_unit ,
405 y = t_unit ,
406 } ,
407 bottom = {
408 x = t_unit ,
409 y = t_unit ,
410 } ,
411 } ,
412 } ,
413 } ,
414 } ,
415 postprocessors = {
416 [ t_string ] = t_function ,
417 } ,
418 designsizes = {
419 [ t_string ] = {
420 [ t_string ] = t_string ,
421 default = t_string
422 } ,
423 } ,
424 featuresets = {
425 [ t_string ] = {
426 t_string ,
427 [ t_keyword ] = t_value
428 } ,
429 } ,
430 solutions = {
431 experimental = {
432 less = { t_string } ,
433 more = { t_string } ,
434 } ,
435 } ,
436 stylistics = {
437 [ t_string ] = t_string ,
438 [ t_string ] = t_string ,
439 } ,
440 colorschemes = {
441 default = {
442 { t_string } ,
443 }
444 } ,
445 files = {
446 name = t_string ,
447 list = {
448 [ t_string ] = {
449 name = t_string ,
450 weight = t_string ,
451 style = t_string ,
452 width = t_string ,
453 } ,
454 } ,
455 } ,
456 typefaces = {
457 [ t_string ] = {
458 shortcut = t_string ,
459 shape = t_string ,
460 fontname = t_string ,
461 normalweight = t_string ,
462 boldweight = t_string ,
463 width = t_string ,
464 size = t_string ,
465 features = t_string ,
466 } ,
467 } ,
468 }
469
470end
471
472
473
474if fonts . constructors then
475 fonts . constructors . keys = data . scaled
476end
477
478
479
480local report = logs . reporter ( " fonts " )
481
482function tables . savefont ( specification )
483 local method = specification . method
484 local filename = specification . filename
485 local fontname = specification . fontname
486 if not method or method ~ = " original " then
487 method = " scaled "
488 end
489 if not filename or filename = = " " then
490 filename = " temp-font- " . . method . . " .lua "
491 else
492 filename = file . addsuffix ( filename , " lua " )
493 end
494 if not fontname or fontname = = " " then
495 fontname = true
496 end
497 if fontname = = true then
498 report ( " saving current font in %a " , filename )
499 elseif tonumber ( fontname ) then
500 report ( " saving font id %a in %a " , fontname , filename )
501 fontname = tonumber ( fontname )
502 else
503 report ( " saving font %a in %a " , fontname , filename )
504 tfmdata = fonts . definers . define {
505 name = fontname
506 }
507 end
508 if tfmdata then
509 tfmdata = fonts . hashes . identifiers [ tfmdata ]
510 end
511 if not tfmdata then
512
513 elseif method = = " original " then
514 tfmdata = tfmdata . shared and tfmdata . shared . rawdata
515 else
516 tfmdata = {
517 characters = tfmdata . characters ,
518 parameters = tfmdata . parameters ,
519 properties = tfmdata . properties ,
520 specification = tfmdata . specification ,
521 }
522 end
523 if tfmdata then
524 table . save ( filename , tfmdata )
525 else
526
527 report ( " saving font failed " )
528 end
529end
530
531function tables . saveoriginal ( filename , specification )
532 local tfmdata = get ( specification )
533 if tfmdata then
534 local rawdata = tfmdata . shared and tfmdata . shared . rawdata
535 if rawdata then
536 table . save ( filename , rawdata )
537 end
538 end
539end
540
541if context then
542
543 interfaces . implement {
544 name = " savefont " ,
545 actions = tables . savefont ,
546 arguments = {
547 {
548 { " filename " } ,
549 { " fontname " } ,
550 { " method " } ,
551 }
552 } ,
553 }
554
555end
556
557 |
