2 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
4 * This is part of HarfBuzz, an OpenType Layout engine library.
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
25 #include "harfbuzz-shaper.h"
26 #include "harfbuzz-shaper-private.h"
31 enum MymrCharClassValues
34 Mymr_CC_CONSONANT = 1, /* Consonant of type 1, that has subscript form */
35 Mymr_CC_CONSONANT2 = 2, /* Consonant of type 2, that has no subscript form */
36 Mymr_CC_NGA = 3, /* Consonant NGA */
37 Mymr_CC_YA = 4, /* Consonant YA */
38 Mymr_CC_RA = 5, /* Consonant RA */
39 Mymr_CC_WA = 6, /* Consonant WA */
40 Mymr_CC_HA = 7, /* Consonant HA */
41 Mymr_CC_IND_VOWEL = 8, /* Independent vowel */
42 Mymr_CC_ZERO_WIDTH_NJ_MARK = 9, /* Zero Width non joiner character (0x200C) */
43 Mymr_CC_VIRAMA = 10, /* Subscript consonant combining character */
44 Mymr_CC_PRE_VOWEL = 11, /* Dependent vowel, prebase (Vowel e) */
45 Mymr_CC_BELOW_VOWEL = 12, /* Dependent vowel, prebase (Vowel u, uu) */
46 Mymr_CC_ABOVE_VOWEL = 13, /* Dependent vowel, prebase (Vowel i, ii, ai) */
47 Mymr_CC_POST_VOWEL = 14, /* Dependent vowel, prebase (Vowel aa) */
48 Mymr_CC_SIGN_ABOVE = 15,
49 Mymr_CC_SIGN_BELOW = 16,
50 Mymr_CC_SIGN_AFTER = 17,
51 Mymr_CC_ZERO_WIDTH_J_MARK = 18, /* Zero width joiner character */
52 Mymr_CC_COUNT = 19 /* This is the number of character classes */
55 enum MymrCharClassFlags
57 Mymr_CF_CLASS_MASK = 0x0000FFFF,
59 Mymr_CF_CONSONANT = 0x01000000, /* flag to speed up comparing */
60 Mymr_CF_MEDIAL = 0x02000000, /* flag to speed up comparing */
61 Mymr_CF_IND_VOWEL = 0x04000000, /* flag to speed up comparing */
62 Mymr_CF_DEP_VOWEL = 0x08000000, /* flag to speed up comparing */
63 Mymr_CF_DOTTED_CIRCLE = 0x10000000, /* add a dotted circle if a character with this flag is the first in a syllable */
64 Mymr_CF_VIRAMA = 0x20000000, /* flag to speed up comparing */
67 Mymr_CF_POS_BEFORE = 0x00080000,
68 Mymr_CF_POS_BELOW = 0x00040000,
69 Mymr_CF_POS_ABOVE = 0x00020000,
70 Mymr_CF_POS_AFTER = 0x00010000,
71 Mymr_CF_POS_MASK = 0x000f0000,
73 Mymr_CF_AFTER_KINZI = 0x00100000
76 /* Characters that get refrered to by name */
79 Mymr_C_SIGN_ZWNJ = 0x200C,
80 Mymr_C_SIGN_ZWJ = 0x200D,
81 Mymr_C_DOTTED_CIRCLE = 0x25CC,
85 Mymr_C_VOWEL_E = 0x1031,
86 Mymr_C_VIRAMA = 0x1039
91 Mymr_xx = Mymr_CC_RESERVED,
92 Mymr_c1 = Mymr_CC_CONSONANT | Mymr_CF_CONSONANT | Mymr_CF_POS_BELOW,
93 Mymr_c2 = Mymr_CC_CONSONANT2 | Mymr_CF_CONSONANT,
94 Mymr_ng = Mymr_CC_NGA | Mymr_CF_CONSONANT | Mymr_CF_POS_ABOVE,
95 Mymr_ya = Mymr_CC_YA | Mymr_CF_CONSONANT | Mymr_CF_MEDIAL | Mymr_CF_POS_AFTER | Mymr_CF_AFTER_KINZI,
96 Mymr_ra = Mymr_CC_RA | Mymr_CF_CONSONANT | Mymr_CF_MEDIAL | Mymr_CF_POS_BEFORE,
97 Mymr_wa = Mymr_CC_WA | Mymr_CF_CONSONANT | Mymr_CF_MEDIAL | Mymr_CF_POS_BELOW,
98 Mymr_ha = Mymr_CC_HA | Mymr_CF_CONSONANT | Mymr_CF_MEDIAL | Mymr_CF_POS_BELOW,
99 Mymr_id = Mymr_CC_IND_VOWEL | Mymr_CF_IND_VOWEL,
100 Mymr_vi = Mymr_CC_VIRAMA | Mymr_CF_VIRAMA | Mymr_CF_POS_ABOVE | Mymr_CF_DOTTED_CIRCLE,
101 Mymr_dl = Mymr_CC_PRE_VOWEL | Mymr_CF_DEP_VOWEL | Mymr_CF_POS_BEFORE | Mymr_CF_DOTTED_CIRCLE | Mymr_CF_AFTER_KINZI,
102 Mymr_db = Mymr_CC_BELOW_VOWEL | Mymr_CF_DEP_VOWEL | Mymr_CF_POS_BELOW | Mymr_CF_DOTTED_CIRCLE | Mymr_CF_AFTER_KINZI,
103 Mymr_da = Mymr_CC_ABOVE_VOWEL | Mymr_CF_DEP_VOWEL | Mymr_CF_POS_ABOVE | Mymr_CF_DOTTED_CIRCLE | Mymr_CF_AFTER_KINZI,
104 Mymr_dr = Mymr_CC_POST_VOWEL | Mymr_CF_DEP_VOWEL | Mymr_CF_POS_AFTER | Mymr_CF_DOTTED_CIRCLE | Mymr_CF_AFTER_KINZI,
105 Mymr_sa = Mymr_CC_SIGN_ABOVE | Mymr_CF_DOTTED_CIRCLE | Mymr_CF_POS_ABOVE | Mymr_CF_AFTER_KINZI,
106 Mymr_sb = Mymr_CC_SIGN_BELOW | Mymr_CF_DOTTED_CIRCLE | Mymr_CF_POS_BELOW | Mymr_CF_AFTER_KINZI,
107 Mymr_sp = Mymr_CC_SIGN_AFTER | Mymr_CF_DOTTED_CIRCLE | Mymr_CF_AFTER_KINZI
111 typedef int MymrCharClass;
114 static const MymrCharClass mymrCharClasses[] =
116 Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1, Mymr_ng, Mymr_c1, Mymr_c1, Mymr_c1,
117 Mymr_c1, Mymr_c1, Mymr_c2, Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1, /* 1000 - 100F */
118 Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1, Mymr_c1,
119 Mymr_c1, Mymr_c1, Mymr_ya, Mymr_ra, Mymr_c1, Mymr_wa, Mymr_c1, Mymr_ha, /* 1010 - 101F */
120 Mymr_c2, Mymr_c2, Mymr_xx, Mymr_id, Mymr_id, Mymr_id, Mymr_id, Mymr_id,
121 Mymr_xx, Mymr_id, Mymr_id, Mymr_xx, Mymr_dr, Mymr_da, Mymr_da, Mymr_db, /* 1020 - 102F */
122 Mymr_db, Mymr_dl, Mymr_da, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_sa, Mymr_sb,
123 Mymr_sp, Mymr_vi, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, /* 1030 - 103F */
124 Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx,
125 Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, /* 1040 - 104F */
126 Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx,
127 Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, Mymr_xx, /* 1050 - 105F */
131 getMyanmarCharClass (HB_UChar16 ch)
133 if (ch == Mymr_C_SIGN_ZWJ)
134 return Mymr_CC_ZERO_WIDTH_J_MARK;
136 if (ch == Mymr_C_SIGN_ZWNJ)
137 return Mymr_CC_ZERO_WIDTH_NJ_MARK;
139 if (ch < 0x1000 || ch > 0x105f)
140 return Mymr_CC_RESERVED;
142 return mymrCharClasses[ch - 0x1000];
145 static const signed char mymrStateTable[][Mymr_CC_COUNT] =
147 /* xx c1, c2 ng ya ra wa ha id zwnj vi dl db da dr sa sb sp zwj */
148 { 1, 4, 4, 2, 4, 4, 4, 4, 24, 1, 27, 17, 18, 19, 20, 21, 1, 1, 4}, /* 0 - ground state */
149 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 1 - exit state (or sp to the right of the syllable) */
150 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 17, 18, 19, 20, 21, -1, -1, 4}, /* 2 - NGA */
151 {-1, 4, 4, 4, 4, 4, 4, 4, -1, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 3 - Virama after NGA */
152 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 5, 17, 18, 19, 20, 21, 1, 1, -1}, /* 4 - Base consonant */
153 {-2, 6, -2, -2, 7, 8, 9, 10, -2, 23, -2, -2, -2, -2, -2, -2, -2, -2, -2}, /* 5 - First virama */
154 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 25, 17, 18, 19, 20, 21, -1, -1, -1}, /* 6 - c1 after virama */
155 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 12, 17, 18, 19, 20, 21, -1, -1, -1}, /* 7 - ya after virama */
156 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 12, 17, 18, 19, 20, 21, -1, -1, -1}, /* 8 - ra after virama */
157 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 12, 17, 18, 19, 20, 21, -1, -1, -1}, /* 9 - wa after virama */
158 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 17, 18, 19, 20, 21, -1, -1, -1}, /* 10 - ha after virama */
159 {-1, -1, -1, -1, 7, 8, 9, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 11 - Virama after NGA+zwj */
160 {-2, -2, -2, -2, -2, -2, 13, 14, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2}, /* 12 - Second virama */
161 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 15, 17, 18, 19, 20, 21, -1, -1, -1}, /* 13 - wa after virama */
162 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 17, 18, 19, 20, 21, -1, -1, -1}, /* 14 - ha after virama */
163 {-2, -2, -2, -2, -2, -2, -2, 16, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2}, /* 15 - Third virama */
164 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 17, 18, 19, 20, 21, -1, -1, -1}, /* 16 - ha after virama */
165 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 20, 21, 1, 1, -1}, /* 17 - dl, Dependent vowel e */
166 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 19, -1, 21, 1, 1, -1}, /* 18 - db, Dependent vowel u,uu */
167 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 1, 1, -1}, /* 19 - da, Dependent vowel i,ii,ai */
168 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 22, -1, -1, -1, -1, -1, 1, 1, -1}, /* 20 - dr, Dependent vowel aa */
169 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 1, -1}, /* 21 - sa, Sign anusvara */
170 {-1, -1, -1, -1, -1, -1, -1, -1, -1, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 22 - atha */
171 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, 1, -1}, /* 23 - zwnj for atha */
172 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 1, -1}, /* 24 - Independent vowel */
173 {-2, -2, -2, -2, 26, 26, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2}, /* 25 - Virama after subscript consonant */
174 {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 12, 17, 18, 19, 20, 21, -1, 1, -1}, /* 26 - ra/ya after subscript consonant + virama */
175 {-1, 6, -1, -1, 7, 8, 9, 10, -1, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 - Virama after ground state */
176 /* exit state -2 is for invalid order of medials and combination of invalids
177 with virama where virama should treat as start of next syllable
183 /*#define MYANMAR_DEBUG */
185 #define MMDEBUG qDebug
187 #define MMDEBUG if(0) printf
191 // Given an input string of characters and a location in which to start looking
192 // calculate, using the state table, which one is the last character of the syllable
193 // that starts in the starting position.
195 /* SAMSUNG - Kaja Changes -Start */
196 //static int myanmar_nextSyllableBoundary(const HB_UChar16 *s, int start, int end, HB_Bool *invalid)
197 int myanmar_nextSyllableBoundary(const HB_UChar16 *s, int start, int end, HB_Bool *invalid)
198 /* SAMSUNG - Kaja Changes -End */
200 const HB_UChar16 *uc = s + start;
206 MymrCharClass charClass = getMyanmarCharClass(*uc);
207 state = mymrStateTable[state][charClass & Mymr_CF_CLASS_MASK];
209 *invalid = (HB_Bool)(charClass & Mymr_CF_DOTTED_CIRCLE);
211 MMDEBUG("state[%d]=%d class=%8x (uc=%4x)", pos - start, state, charClass, *uc);
225 /* ###### might have to change order of above and below forms and substitutions,
226 but according to Unicode below comes before above */
227 static const HB_OpenTypeFeature myanmar_features[] = {
228 { HB_MAKE_TAG('p', 'r', 'e', 'f'), PreFormProperty },
229 { HB_MAKE_TAG('b', 'l', 'w', 'f'), BelowFormProperty },
230 { HB_MAKE_TAG('a', 'b', 'v', 'f'), AboveFormProperty },
231 { HB_MAKE_TAG('p', 's', 't', 'f'), PostFormProperty },
232 { HB_MAKE_TAG('p', 'r', 'e', 's'), PreSubstProperty },
233 { HB_MAKE_TAG('b', 'l', 'w', 's'), BelowSubstProperty },
234 { HB_MAKE_TAG('a', 'b', 'v', 's'), AboveSubstProperty },
235 { HB_MAKE_TAG('p', 's', 't', 's'), PostSubstProperty },
236 { HB_MAKE_TAG('r', 'l', 'i', 'g'), CligProperty }, /* Myanmar1 uses this instead of the other features */
243 // Visual order before shaping should be:
246 // [Virama + Medial Ra]
248 // [Virama + Consonant]
249 // [Nga + Virama] (Kinzi) ### should probably come before post forms (medial ya)
253 // This means that we can keep the logical order apart from having to
254 // move the pre vowel, medial ra and kinzi
257 static HB_Bool myanmar_shape_syllable(HB_Bool openType, HB_ShaperItem *item, HB_Bool invalid)
260 // MMDEBUG("\nsyllable from %d len %d, str='%s'", item->item.pos, item->item.length,
261 // item->string->mid(item->from, item->length).toUtf8().data());
265 const int availableGlyphs = item->num_glyphs;
267 const HB_UChar16 *uc = item->string + item->item.pos;
274 unsigned short reordered[32];
275 unsigned char properties[32];
282 HB_Bool lastWasVirama = FALSE;
285 memset(properties, 0, 32*sizeof(unsigned char));
287 /* according to the table the max length of a syllable should be around 14 chars */
288 assert(item->item.length < 32);
292 for (i = 0; i < (int)item->item.length; i++) {
293 printf(" %d: %4x", i, uc[i]);
296 for (i = 0; i < (int)item->item.length; ++i) {
297 HB_UChar16 chr = uc[i];
299 if (chr == Mymr_C_VOWEL_E) {
305 && i + 2 < (int)item->item.length
306 && uc[i+1] == Mymr_C_VIRAMA) {
307 int mc = getMyanmarCharClass(uc[i+2]);
308 /*MMDEBUG("maybe kinzi: mc=%x", mc);*/
309 if ((mc & Mymr_CF_CONSONANT) == Mymr_CF_CONSONANT) {
315 && chr == Mymr_C_VIRAMA
316 && i + 1 < (int)item->item.length
317 && uc[i+1] == Mymr_C_RA) {
325 MMDEBUG("\n base=%d, vowel_e=%d, kinzi=%d, medial_ra=%d", base, vowel_e, kinzi, medial_ra);
326 /* write vowel_e if found */
328 reordered[0] = Mymr_C_VOWEL_E;
331 /* write medial_ra */
332 if (medial_ra >= 0) {
333 reordered[len] = Mymr_C_VIRAMA;
334 reordered[len+1] = Mymr_C_RA;
335 properties[len] = PreForm;
336 properties[len+1] = PreForm;
340 /* shall we add a dotted circle?
341 If in the position in which the base should be (first char in the string) there is
342 a character that has the Dotted circle flag (a character that cannot be a base)
343 then write a dotted circle */
345 reordered[len] = C_DOTTED_CIRCLE;
349 /* copy the rest of the syllable to the output, inserting the kinzi
350 at the correct place */
351 for (i = 0; i < (int)item->item.length; ++i) {
352 hb_uint16 chr = uc[i];
356 if (i == medial_ra || i == kinzi) {
361 cc = getMyanmarCharClass(uc[i]);
362 if (kinzi >= 0 && i > base && (cc & Mymr_CF_AFTER_KINZI)) {
363 reordered[len] = Mymr_C_NGA;
364 reordered[len+1] = Mymr_C_VIRAMA;
365 properties[len-1] = AboveForm;
366 properties[len] = AboveForm;
373 switch(cc & Mymr_CF_POS_MASK) {
374 case Mymr_CF_POS_BEFORE:
377 case Mymr_CF_POS_BELOW:
380 case Mymr_CF_POS_ABOVE:
383 case Mymr_CF_POS_AFTER:
389 properties[len-1] = prop;
390 properties[len] = prop;
391 if(basePos >= 0 && basePos == len-2)
392 properties[len-2] = prop;
394 lastWasVirama = (chr == Mymr_C_VIRAMA);
398 if ((chr != Mymr_C_SIGN_ZWNJ && chr != Mymr_C_SIGN_ZWJ) || !len) {
399 reordered[len] = chr;
404 reordered[len] = Mymr_C_NGA;
405 reordered[len+1] = Mymr_C_VIRAMA;
406 properties[len] = AboveForm;
407 properties[len+1] = AboveForm;
411 if (!item->font->klass->convertStringToGlyphIndices(item->font,
413 item->glyphs, &item->num_glyphs,
414 item->item.bidiLevel % 2))
417 MMDEBUG("after shaping: len=%d", len);
418 for (i = 0; i < len; i++) {
419 item->attributes[i].mark = FALSE;
420 item->attributes[i].clusterStart = FALSE;
421 item->attributes[i].justification = 0;
422 item->attributes[i].zeroWidth = FALSE;
423 MMDEBUG(" %d: %4x property=%x", i, reordered[i], properties[i]);
426 /* now we have the syllable in the right order, and can start running it through open type. */
430 unsigned short logClusters[32];
433 for (i = 0; i < len; ++i)
436 for (i = 0; i < len; ++i) {
437 where[i] = ~(PreSubstProperty
442 | PositioningProperties);
443 if (properties[i] & PreForm)
444 where[i] &= ~PreFormProperty;
445 if (properties[i] & BelowForm)
446 where[i] &= ~BelowFormProperty;
447 if (properties[i] & AboveForm)
448 where[i] &= ~AboveFormProperty;
449 if (properties[i] & PostForm)
450 where[i] &= ~PostFormProperty;
453 HB_OpenTypeShape(item, where);
454 if (!HB_OpenTypePosition(item, availableGlyphs, /*doLogClusters*/FALSE))
459 MMDEBUG("Not using openType");
460 HB_HeuristicPosition(item);
463 item->attributes[0].clusterStart = TRUE;
467 HB_Bool HB_MyanmarShape(HB_ShaperItem *item)
469 HB_Bool openType = FALSE;
470 unsigned short *logClusters = item->log_clusters;
472 HB_ShaperItem syllable = *item;
475 int sstart = item->item.pos;
476 int end = sstart + item->item.length;
479 assert(item->item.script == HB_Script_Myanmar);
481 openType = HB_SelectScript(item, myanmar_features);
484 MMDEBUG("myanmar_shape: from %d length %d", item->item.pos, item->item.length);
485 while (sstart < end) {
487 int send = myanmar_nextSyllableBoundary(item->string, sstart, end, &invalid);
488 MMDEBUG("syllable from %d, length %d, invalid=%s", sstart, send-sstart,
489 invalid ? "TRUE" : "FALSE");
490 syllable.item.pos = sstart;
491 syllable.item.length = send-sstart;
492 syllable.glyphs = item->glyphs + first_glyph;
493 syllable.attributes = item->attributes + first_glyph;
494 syllable.advances = item->advances + first_glyph;
495 syllable.offsets = item->offsets + first_glyph;
496 syllable.num_glyphs = item->num_glyphs - first_glyph;
497 if (!myanmar_shape_syllable(openType, &syllable, invalid)) {
498 MMDEBUG("syllable shaping failed, syllable requests %d glyphs", syllable.num_glyphs);
499 item->num_glyphs += syllable.num_glyphs;
503 /* fix logcluster array */
504 MMDEBUG("syllable:");
505 for (i = first_glyph; i < first_glyph + (int)syllable.num_glyphs; ++i)
506 MMDEBUG(" %d -> glyph %x", i, item->glyphs[i]);
507 MMDEBUG(" logclusters:");
508 for (i = sstart; i < send; ++i) {
509 MMDEBUG(" %d -> glyph %d", i, first_glyph);
510 logClusters[i-item->item.pos] = first_glyph;
513 first_glyph += syllable.num_glyphs;
515 item->num_glyphs = first_glyph;
519 void HB_MyanmarAttributes(HB_Script script, const HB_UChar16 *text, hb_uint32 from, hb_uint32 len, HB_CharAttributes *attributes)
521 int end = from + len;
522 const HB_UChar16 *uc = text + from;
528 hb_uint32 boundary = myanmar_nextSyllableBoundary(text, from+i, end, &invalid) - from;
530 attributes[i].charStop = TRUE;
532 attributes[i-1].lineBreakType = HB_Break;
534 if (boundary > len-1)
537 while (i < boundary) {
538 attributes[i].charStop = FALSE;
542 assert(i == boundary);