Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
4349 | Serge | 1 | /***************************************************************************/ |
2 | /* */ |
||
3 | /* pshints.h */ |
||
4 | /* */ |
||
5 | /* Interface to Postscript-specific (Type 1 and Type 2) hints */ |
||
6 | /* recorders (specification only). These are used to support native */ |
||
7 | /* T1/T2 hints in the `type1', `cid', and `cff' font drivers. */ |
||
8 | /* */ |
||
9 | /* Copyright 2001-2003, 2005-2007, 2009, 2012 by */ |
||
10 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
||
11 | /* */ |
||
12 | /* This file is part of the FreeType project, and may only be used, */ |
||
13 | /* modified, and distributed under the terms of the FreeType project */ |
||
14 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
||
15 | /* this file you indicate that you have read the license and */ |
||
16 | /* understand and accept it fully. */ |
||
17 | /* */ |
||
18 | /***************************************************************************/ |
||
19 | |||
20 | |||
21 | #ifndef __PSHINTS_H__ |
||
22 | #define __PSHINTS_H__ |
||
23 | |||
24 | |||
25 | #include |
||
26 | #include FT_FREETYPE_H |
||
27 | #include FT_TYPE1_TABLES_H |
||
28 | |||
29 | |||
30 | FT_BEGIN_HEADER |
||
31 | |||
32 | |||
33 | /*************************************************************************/ |
||
34 | /*************************************************************************/ |
||
35 | /***** *****/ |
||
36 | /***** INTERNAL REPRESENTATION OF GLOBALS *****/ |
||
37 | /***** *****/ |
||
38 | /*************************************************************************/ |
||
39 | /*************************************************************************/ |
||
40 | |||
41 | typedef struct PSH_GlobalsRec_* PSH_Globals; |
||
42 | |||
43 | typedef FT_Error |
||
44 | (*PSH_Globals_NewFunc)( FT_Memory memory, |
||
45 | T1_Private* private_dict, |
||
46 | PSH_Globals* aglobals ); |
||
47 | |||
48 | typedef FT_Error |
||
49 | (*PSH_Globals_SetScaleFunc)( PSH_Globals globals, |
||
50 | FT_Fixed x_scale, |
||
51 | FT_Fixed y_scale, |
||
52 | FT_Fixed x_delta, |
||
53 | FT_Fixed y_delta ); |
||
54 | |||
55 | typedef void |
||
56 | (*PSH_Globals_DestroyFunc)( PSH_Globals globals ); |
||
57 | |||
58 | |||
59 | typedef struct PSH_Globals_FuncsRec_ |
||
60 | { |
||
61 | PSH_Globals_NewFunc create; |
||
62 | PSH_Globals_SetScaleFunc set_scale; |
||
63 | PSH_Globals_DestroyFunc destroy; |
||
64 | |||
65 | } PSH_Globals_FuncsRec, *PSH_Globals_Funcs; |
||
66 | |||
67 | |||
68 | /*************************************************************************/ |
||
69 | /*************************************************************************/ |
||
70 | /***** *****/ |
||
71 | /***** PUBLIC TYPE 1 HINTS RECORDER *****/ |
||
72 | /***** *****/ |
||
73 | /*************************************************************************/ |
||
74 | /*************************************************************************/ |
||
75 | |||
76 | /************************************************************************* |
||
77 | * |
||
78 | * @type: |
||
79 | * T1_Hints |
||
80 | * |
||
81 | * @description: |
||
82 | * This is a handle to an opaque structure used to record glyph hints |
||
83 | * from a Type 1 character glyph character string. |
||
84 | * |
||
85 | * The methods used to operate on this object are defined by the |
||
86 | * @T1_Hints_FuncsRec structure. Recording glyph hints is normally |
||
87 | * achieved through the following scheme: |
||
88 | * |
||
89 | * - Open a new hint recording session by calling the `open' method. |
||
90 | * This rewinds the recorder and prepare it for new input. |
||
91 | * |
||
92 | * - For each hint found in the glyph charstring, call the corresponding |
||
93 | * method (`stem', `stem3', or `reset'). Note that these functions do |
||
94 | * not return an error code. |
||
95 | * |
||
96 | * - Close the recording session by calling the `close' method. It |
||
97 | * returns an error code if the hints were invalid or something |
||
98 | * strange happened (e.g., memory shortage). |
||
99 | * |
||
100 | * The hints accumulated in the object can later be used by the |
||
101 | * PostScript hinter. |
||
102 | * |
||
103 | */ |
||
104 | typedef struct T1_HintsRec_* T1_Hints; |
||
105 | |||
106 | |||
107 | /************************************************************************* |
||
108 | * |
||
109 | * @type: |
||
110 | * T1_Hints_Funcs |
||
111 | * |
||
112 | * @description: |
||
113 | * A pointer to the @T1_Hints_FuncsRec structure that defines the API of |
||
114 | * a given @T1_Hints object. |
||
115 | * |
||
116 | */ |
||
117 | typedef const struct T1_Hints_FuncsRec_* T1_Hints_Funcs; |
||
118 | |||
119 | |||
120 | /************************************************************************* |
||
121 | * |
||
122 | * @functype: |
||
123 | * T1_Hints_OpenFunc |
||
124 | * |
||
125 | * @description: |
||
126 | * A method of the @T1_Hints class used to prepare it for a new Type 1 |
||
127 | * hints recording session. |
||
128 | * |
||
129 | * @input: |
||
130 | * hints :: |
||
131 | * A handle to the Type 1 hints recorder. |
||
132 | * |
||
133 | * @note: |
||
134 | * You should always call the @T1_Hints_CloseFunc method in order to |
||
135 | * close an opened recording session. |
||
136 | * |
||
137 | */ |
||
138 | typedef void |
||
139 | (*T1_Hints_OpenFunc)( T1_Hints hints ); |
||
140 | |||
141 | |||
142 | /************************************************************************* |
||
143 | * |
||
144 | * @functype: |
||
145 | * T1_Hints_SetStemFunc |
||
146 | * |
||
147 | * @description: |
||
148 | * A method of the @T1_Hints class used to record a new horizontal or |
||
149 | * vertical stem. This corresponds to the Type 1 `hstem' and `vstem' |
||
150 | * operators. |
||
151 | * |
||
152 | * @input: |
||
153 | * hints :: |
||
154 | * A handle to the Type 1 hints recorder. |
||
155 | * |
||
156 | * dimension :: |
||
157 | * 0 for horizontal stems (hstem), 1 for vertical ones (vstem). |
||
158 | * |
||
159 | * coords :: |
||
160 | * Array of 2 coordinates in 16.16 format, used as (position,length) |
||
161 | * stem descriptor. |
||
162 | * |
||
163 | * @note: |
||
164 | * Use vertical coordinates (y) for horizontal stems (dim=0). Use |
||
165 | * horizontal coordinates (x) for vertical stems (dim=1). |
||
166 | * |
||
167 | * `coords[0]' is the absolute stem position (lowest coordinate); |
||
168 | * `coords[1]' is the length. |
||
169 | * |
||
170 | * The length can be negative, in which case it must be either -20 or |
||
171 | * -21. It is interpreted as a `ghost' stem, according to the Type 1 |
||
172 | * specification. |
||
173 | * |
||
174 | * If the length is -21 (corresponding to a bottom ghost stem), then |
||
175 | * the real stem position is `coords[0]+coords[1]'. |
||
176 | * |
||
177 | */ |
||
178 | typedef void |
||
179 | (*T1_Hints_SetStemFunc)( T1_Hints hints, |
||
180 | FT_UInt dimension, |
||
181 | FT_Fixed* coords ); |
||
182 | |||
183 | |||
184 | /************************************************************************* |
||
185 | * |
||
186 | * @functype: |
||
187 | * T1_Hints_SetStem3Func |
||
188 | * |
||
189 | * @description: |
||
190 | * A method of the @T1_Hints class used to record three |
||
191 | * counter-controlled horizontal or vertical stems at once. |
||
192 | * |
||
193 | * @input: |
||
194 | * hints :: |
||
195 | * A handle to the Type 1 hints recorder. |
||
196 | * |
||
197 | * dimension :: |
||
198 | * 0 for horizontal stems, 1 for vertical ones. |
||
199 | * |
||
200 | * coords :: |
||
201 | * An array of 6 values in 16.16 format, holding 3 (position,length) |
||
202 | * pairs for the counter-controlled stems. |
||
203 | * |
||
204 | * @note: |
||
205 | * Use vertical coordinates (y) for horizontal stems (dim=0). Use |
||
206 | * horizontal coordinates (x) for vertical stems (dim=1). |
||
207 | * |
||
208 | * The lengths cannot be negative (ghost stems are never |
||
209 | * counter-controlled). |
||
210 | * |
||
211 | */ |
||
212 | typedef void |
||
213 | (*T1_Hints_SetStem3Func)( T1_Hints hints, |
||
214 | FT_UInt dimension, |
||
215 | FT_Fixed* coords ); |
||
216 | |||
217 | |||
218 | /************************************************************************* |
||
219 | * |
||
220 | * @functype: |
||
221 | * T1_Hints_ResetFunc |
||
222 | * |
||
223 | * @description: |
||
224 | * A method of the @T1_Hints class used to reset the stems hints in a |
||
225 | * recording session. |
||
226 | * |
||
227 | * @input: |
||
228 | * hints :: |
||
229 | * A handle to the Type 1 hints recorder. |
||
230 | * |
||
231 | * end_point :: |
||
232 | * The index of the last point in the input glyph in which the |
||
233 | * previously defined hints apply. |
||
234 | * |
||
235 | */ |
||
236 | typedef void |
||
237 | (*T1_Hints_ResetFunc)( T1_Hints hints, |
||
238 | FT_UInt end_point ); |
||
239 | |||
240 | |||
241 | /************************************************************************* |
||
242 | * |
||
243 | * @functype: |
||
244 | * T1_Hints_CloseFunc |
||
245 | * |
||
246 | * @description: |
||
247 | * A method of the @T1_Hints class used to close a hint recording |
||
248 | * session. |
||
249 | * |
||
250 | * @input: |
||
251 | * hints :: |
||
252 | * A handle to the Type 1 hints recorder. |
||
253 | * |
||
254 | * end_point :: |
||
255 | * The index of the last point in the input glyph. |
||
256 | * |
||
257 | * @return: |
||
258 | * FreeType error code. 0 means success. |
||
259 | * |
||
260 | * @note: |
||
261 | * The error code is set to indicate that an error occurred during the |
||
262 | * recording session. |
||
263 | * |
||
264 | */ |
||
265 | typedef FT_Error |
||
266 | (*T1_Hints_CloseFunc)( T1_Hints hints, |
||
267 | FT_UInt end_point ); |
||
268 | |||
269 | |||
270 | /************************************************************************* |
||
271 | * |
||
272 | * @functype: |
||
273 | * T1_Hints_ApplyFunc |
||
274 | * |
||
275 | * @description: |
||
276 | * A method of the @T1_Hints class used to apply hints to the |
||
277 | * corresponding glyph outline. Must be called once all hints have been |
||
278 | * recorded. |
||
279 | * |
||
280 | * @input: |
||
281 | * hints :: |
||
282 | * A handle to the Type 1 hints recorder. |
||
283 | * |
||
284 | * outline :: |
||
285 | * A pointer to the target outline descriptor. |
||
286 | * |
||
287 | * globals :: |
||
288 | * The hinter globals for this font. |
||
289 | * |
||
290 | * hint_mode :: |
||
291 | * Hinting information. |
||
292 | * |
||
293 | * @return: |
||
294 | * FreeType error code. 0 means success. |
||
295 | * |
||
296 | * @note: |
||
297 | * On input, all points within the outline are in font coordinates. On |
||
298 | * output, they are in 1/64th of pixels. |
||
299 | * |
||
300 | * The scaling transformation is taken from the `globals' object which |
||
301 | * must correspond to the same font as the glyph. |
||
302 | * |
||
303 | */ |
||
304 | typedef FT_Error |
||
305 | (*T1_Hints_ApplyFunc)( T1_Hints hints, |
||
306 | FT_Outline* outline, |
||
307 | PSH_Globals globals, |
||
308 | FT_Render_Mode hint_mode ); |
||
309 | |||
310 | |||
311 | /************************************************************************* |
||
312 | * |
||
313 | * @struct: |
||
314 | * T1_Hints_FuncsRec |
||
315 | * |
||
316 | * @description: |
||
317 | * The structure used to provide the API to @T1_Hints objects. |
||
318 | * |
||
319 | * @fields: |
||
320 | * hints :: |
||
321 | * A handle to the T1 Hints recorder. |
||
322 | * |
||
323 | * open :: |
||
324 | * The function to open a recording session. |
||
325 | * |
||
326 | * close :: |
||
327 | * The function to close a recording session. |
||
328 | * |
||
329 | * stem :: |
||
330 | * The function to set a simple stem. |
||
331 | * |
||
332 | * stem3 :: |
||
333 | * The function to set counter-controlled stems. |
||
334 | * |
||
335 | * reset :: |
||
336 | * The function to reset stem hints. |
||
337 | * |
||
338 | * apply :: |
||
339 | * The function to apply the hints to the corresponding glyph outline. |
||
340 | * |
||
341 | */ |
||
342 | typedef struct T1_Hints_FuncsRec_ |
||
343 | { |
||
344 | T1_Hints hints; |
||
345 | T1_Hints_OpenFunc open; |
||
346 | T1_Hints_CloseFunc close; |
||
347 | T1_Hints_SetStemFunc stem; |
||
348 | T1_Hints_SetStem3Func stem3; |
||
349 | T1_Hints_ResetFunc reset; |
||
350 | T1_Hints_ApplyFunc apply; |
||
351 | |||
352 | } T1_Hints_FuncsRec; |
||
353 | |||
354 | |||
355 | /*************************************************************************/ |
||
356 | /*************************************************************************/ |
||
357 | /***** *****/ |
||
358 | /***** PUBLIC TYPE 2 HINTS RECORDER *****/ |
||
359 | /***** *****/ |
||
360 | /*************************************************************************/ |
||
361 | /*************************************************************************/ |
||
362 | |||
363 | /************************************************************************* |
||
364 | * |
||
365 | * @type: |
||
366 | * T2_Hints |
||
367 | * |
||
368 | * @description: |
||
369 | * This is a handle to an opaque structure used to record glyph hints |
||
370 | * from a Type 2 character glyph character string. |
||
371 | * |
||
372 | * The methods used to operate on this object are defined by the |
||
373 | * @T2_Hints_FuncsRec structure. Recording glyph hints is normally |
||
374 | * achieved through the following scheme: |
||
375 | * |
||
376 | * - Open a new hint recording session by calling the `open' method. |
||
377 | * This rewinds the recorder and prepare it for new input. |
||
378 | * |
||
379 | * - For each hint found in the glyph charstring, call the corresponding |
||
380 | * method (`stems', `hintmask', `counters'). Note that these |
||
381 | * functions do not return an error code. |
||
382 | * |
||
383 | * - Close the recording session by calling the `close' method. It |
||
384 | * returns an error code if the hints were invalid or something |
||
385 | * strange happened (e.g., memory shortage). |
||
386 | * |
||
387 | * The hints accumulated in the object can later be used by the |
||
388 | * Postscript hinter. |
||
389 | * |
||
390 | */ |
||
391 | typedef struct T2_HintsRec_* T2_Hints; |
||
392 | |||
393 | |||
394 | /************************************************************************* |
||
395 | * |
||
396 | * @type: |
||
397 | * T2_Hints_Funcs |
||
398 | * |
||
399 | * @description: |
||
400 | * A pointer to the @T2_Hints_FuncsRec structure that defines the API of |
||
401 | * a given @T2_Hints object. |
||
402 | * |
||
403 | */ |
||
404 | typedef const struct T2_Hints_FuncsRec_* T2_Hints_Funcs; |
||
405 | |||
406 | |||
407 | /************************************************************************* |
||
408 | * |
||
409 | * @functype: |
||
410 | * T2_Hints_OpenFunc |
||
411 | * |
||
412 | * @description: |
||
413 | * A method of the @T2_Hints class used to prepare it for a new Type 2 |
||
414 | * hints recording session. |
||
415 | * |
||
416 | * @input: |
||
417 | * hints :: |
||
418 | * A handle to the Type 2 hints recorder. |
||
419 | * |
||
420 | * @note: |
||
421 | * You should always call the @T2_Hints_CloseFunc method in order to |
||
422 | * close an opened recording session. |
||
423 | * |
||
424 | */ |
||
425 | typedef void |
||
426 | (*T2_Hints_OpenFunc)( T2_Hints hints ); |
||
427 | |||
428 | |||
429 | /************************************************************************* |
||
430 | * |
||
431 | * @functype: |
||
432 | * T2_Hints_StemsFunc |
||
433 | * |
||
434 | * @description: |
||
435 | * A method of the @T2_Hints class used to set the table of stems in |
||
436 | * either the vertical or horizontal dimension. Equivalent to the |
||
437 | * `hstem', `vstem', `hstemhm', and `vstemhm' Type 2 operators. |
||
438 | * |
||
439 | * @input: |
||
440 | * hints :: |
||
441 | * A handle to the Type 2 hints recorder. |
||
442 | * |
||
443 | * dimension :: |
||
444 | * 0 for horizontal stems (hstem), 1 for vertical ones (vstem). |
||
445 | * |
||
446 | * count :: |
||
447 | * The number of stems. |
||
448 | * |
||
449 | * coords :: |
||
450 | * An array of `count' (position,length) pairs in 16.16 format. |
||
451 | * |
||
452 | * @note: |
||
453 | * Use vertical coordinates (y) for horizontal stems (dim=0). Use |
||
454 | * horizontal coordinates (x) for vertical stems (dim=1). |
||
455 | * |
||
456 | * There are `2*count' elements in the `coords' array. Each even |
||
457 | * element is an absolute position in font units, each odd element is a |
||
458 | * length in font units. |
||
459 | * |
||
460 | * A length can be negative, in which case it must be either -20 or |
||
461 | * -21. It is interpreted as a `ghost' stem, according to the Type 1 |
||
462 | * specification. |
||
463 | * |
||
464 | */ |
||
465 | typedef void |
||
466 | (*T2_Hints_StemsFunc)( T2_Hints hints, |
||
467 | FT_UInt dimension, |
||
468 | FT_UInt count, |
||
469 | FT_Fixed* coordinates ); |
||
470 | |||
471 | |||
472 | /************************************************************************* |
||
473 | * |
||
474 | * @functype: |
||
475 | * T2_Hints_MaskFunc |
||
476 | * |
||
477 | * @description: |
||
478 | * A method of the @T2_Hints class used to set a given hintmask (this |
||
479 | * corresponds to the `hintmask' Type 2 operator). |
||
480 | * |
||
481 | * @input: |
||
482 | * hints :: |
||
483 | * A handle to the Type 2 hints recorder. |
||
484 | * |
||
485 | * end_point :: |
||
486 | * The glyph index of the last point to which the previously defined |
||
487 | * or activated hints apply. |
||
488 | * |
||
489 | * bit_count :: |
||
490 | * The number of bits in the hint mask. |
||
491 | * |
||
492 | * bytes :: |
||
493 | * An array of bytes modelling the hint mask. |
||
494 | * |
||
495 | * @note: |
||
496 | * If the hintmask starts the charstring (before any glyph point |
||
497 | * definition), the value of `end_point' should be 0. |
||
498 | * |
||
499 | * `bit_count' is the number of meaningful bits in the `bytes' array; it |
||
500 | * must be equal to the total number of hints defined so far (i.e., |
||
501 | * horizontal+verticals). |
||
502 | * |
||
503 | * The `bytes' array can come directly from the Type 2 charstring and |
||
504 | * respects the same format. |
||
505 | * |
||
506 | */ |
||
507 | typedef void |
||
508 | (*T2_Hints_MaskFunc)( T2_Hints hints, |
||
509 | FT_UInt end_point, |
||
510 | FT_UInt bit_count, |
||
511 | const FT_Byte* bytes ); |
||
512 | |||
513 | |||
514 | /************************************************************************* |
||
515 | * |
||
516 | * @functype: |
||
517 | * T2_Hints_CounterFunc |
||
518 | * |
||
519 | * @description: |
||
520 | * A method of the @T2_Hints class used to set a given counter mask |
||
521 | * (this corresponds to the `hintmask' Type 2 operator). |
||
522 | * |
||
523 | * @input: |
||
524 | * hints :: |
||
525 | * A handle to the Type 2 hints recorder. |
||
526 | * |
||
527 | * end_point :: |
||
528 | * A glyph index of the last point to which the previously defined or |
||
529 | * active hints apply. |
||
530 | * |
||
531 | * bit_count :: |
||
532 | * The number of bits in the hint mask. |
||
533 | * |
||
534 | * bytes :: |
||
535 | * An array of bytes modelling the hint mask. |
||
536 | * |
||
537 | * @note: |
||
538 | * If the hintmask starts the charstring (before any glyph point |
||
539 | * definition), the value of `end_point' should be 0. |
||
540 | * |
||
541 | * `bit_count' is the number of meaningful bits in the `bytes' array; it |
||
542 | * must be equal to the total number of hints defined so far (i.e., |
||
543 | * horizontal+verticals). |
||
544 | * |
||
545 | * The `bytes' array can come directly from the Type 2 charstring and |
||
546 | * respects the same format. |
||
547 | * |
||
548 | */ |
||
549 | typedef void |
||
550 | (*T2_Hints_CounterFunc)( T2_Hints hints, |
||
551 | FT_UInt bit_count, |
||
552 | const FT_Byte* bytes ); |
||
553 | |||
554 | |||
555 | /************************************************************************* |
||
556 | * |
||
557 | * @functype: |
||
558 | * T2_Hints_CloseFunc |
||
559 | * |
||
560 | * @description: |
||
561 | * A method of the @T2_Hints class used to close a hint recording |
||
562 | * session. |
||
563 | * |
||
564 | * @input: |
||
565 | * hints :: |
||
566 | * A handle to the Type 2 hints recorder. |
||
567 | * |
||
568 | * end_point :: |
||
569 | * The index of the last point in the input glyph. |
||
570 | * |
||
571 | * @return: |
||
572 | * FreeType error code. 0 means success. |
||
573 | * |
||
574 | * @note: |
||
575 | * The error code is set to indicate that an error occurred during the |
||
576 | * recording session. |
||
577 | * |
||
578 | */ |
||
579 | typedef FT_Error |
||
580 | (*T2_Hints_CloseFunc)( T2_Hints hints, |
||
581 | FT_UInt end_point ); |
||
582 | |||
583 | |||
584 | /************************************************************************* |
||
585 | * |
||
586 | * @functype: |
||
587 | * T2_Hints_ApplyFunc |
||
588 | * |
||
589 | * @description: |
||
590 | * A method of the @T2_Hints class used to apply hints to the |
||
591 | * corresponding glyph outline. Must be called after the `close' |
||
592 | * method. |
||
593 | * |
||
594 | * @input: |
||
595 | * hints :: |
||
596 | * A handle to the Type 2 hints recorder. |
||
597 | * |
||
598 | * outline :: |
||
599 | * A pointer to the target outline descriptor. |
||
600 | * |
||
601 | * globals :: |
||
602 | * The hinter globals for this font. |
||
603 | * |
||
604 | * hint_mode :: |
||
605 | * Hinting information. |
||
606 | * |
||
607 | * @return: |
||
608 | * FreeType error code. 0 means success. |
||
609 | * |
||
610 | * @note: |
||
611 | * On input, all points within the outline are in font coordinates. On |
||
612 | * output, they are in 1/64th of pixels. |
||
613 | * |
||
614 | * The scaling transformation is taken from the `globals' object which |
||
615 | * must correspond to the same font than the glyph. |
||
616 | * |
||
617 | */ |
||
618 | typedef FT_Error |
||
619 | (*T2_Hints_ApplyFunc)( T2_Hints hints, |
||
620 | FT_Outline* outline, |
||
621 | PSH_Globals globals, |
||
622 | FT_Render_Mode hint_mode ); |
||
623 | |||
624 | |||
625 | /************************************************************************* |
||
626 | * |
||
627 | * @struct: |
||
628 | * T2_Hints_FuncsRec |
||
629 | * |
||
630 | * @description: |
||
631 | * The structure used to provide the API to @T2_Hints objects. |
||
632 | * |
||
633 | * @fields: |
||
634 | * hints :: |
||
635 | * A handle to the T2 hints recorder object. |
||
636 | * |
||
637 | * open :: |
||
638 | * The function to open a recording session. |
||
639 | * |
||
640 | * close :: |
||
641 | * The function to close a recording session. |
||
642 | * |
||
643 | * stems :: |
||
644 | * The function to set the dimension's stems table. |
||
645 | * |
||
646 | * hintmask :: |
||
647 | * The function to set hint masks. |
||
648 | * |
||
649 | * counter :: |
||
650 | * The function to set counter masks. |
||
651 | * |
||
652 | * apply :: |
||
653 | * The function to apply the hints on the corresponding glyph outline. |
||
654 | * |
||
655 | */ |
||
656 | typedef struct T2_Hints_FuncsRec_ |
||
657 | { |
||
658 | T2_Hints hints; |
||
659 | T2_Hints_OpenFunc open; |
||
660 | T2_Hints_CloseFunc close; |
||
661 | T2_Hints_StemsFunc stems; |
||
662 | T2_Hints_MaskFunc hintmask; |
||
663 | T2_Hints_CounterFunc counter; |
||
664 | T2_Hints_ApplyFunc apply; |
||
665 | |||
666 | } T2_Hints_FuncsRec; |
||
667 | |||
668 | |||
669 | /* */ |
||
670 | |||
671 | |||
672 | typedef struct PSHinter_Interface_ |
||
673 | { |
||
674 | PSH_Globals_Funcs (*get_globals_funcs)( FT_Module module ); |
||
675 | T1_Hints_Funcs (*get_t1_funcs) ( FT_Module module ); |
||
676 | T2_Hints_Funcs (*get_t2_funcs) ( FT_Module module ); |
||
677 | |||
678 | } PSHinter_Interface; |
||
679 | |||
680 | typedef PSHinter_Interface* PSHinter_Service; |
||
681 | |||
682 | |||
683 | #ifndef FT_CONFIG_OPTION_PIC |
||
684 | |||
685 | #define FT_DEFINE_PSHINTER_INTERFACE( \ |
||
686 | class_, \ |
||
687 | get_globals_funcs_, \ |
||
688 | get_t1_funcs_, \ |
||
689 | get_t2_funcs_ ) \ |
||
690 | static const PSHinter_Interface class_ = \ |
||
691 | { \ |
||
692 | get_globals_funcs_, \ |
||
693 | get_t1_funcs_, \ |
||
694 | get_t2_funcs_ \ |
||
695 | }; |
||
696 | |||
697 | #else /* FT_CONFIG_OPTION_PIC */ |
||
698 | |||
699 | #define FT_DEFINE_PSHINTER_INTERFACE( \ |
||
700 | class_, \ |
||
701 | get_globals_funcs_, \ |
||
702 | get_t1_funcs_, \ |
||
703 | get_t2_funcs_ ) \ |
||
704 | void \ |
||
705 | FT_Init_Class_ ## class_( FT_Library library, \ |
||
706 | PSHinter_Interface* clazz ) \ |
||
707 | { \ |
||
708 | FT_UNUSED( library ); \ |
||
709 | \ |
||
710 | clazz->get_globals_funcs = get_globals_funcs_; \ |
||
711 | clazz->get_t1_funcs = get_t1_funcs_; \ |
||
712 | clazz->get_t2_funcs = get_t2_funcs_; \ |
||
713 | } |
||
714 | |||
715 | #endif /* FT_CONFIG_OPTION_PIC */ |
||
716 | |||
717 | FT_END_HEADER |
||
718 | |||
719 | #endif /* __PSHINTS_H__ */ |
||
720 | |||
721 | |||
722 | /* END */ |