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[USP10]
[reactos.git] / reactos / dll / win32 / usp10 / usp10.c
1 /*
2 * Implementation of Uniscribe Script Processor (usp10.dll)
3 *
4 * Copyright 2005 Steven Edwards for CodeWeavers
5 * Copyright 2006 Hans Leidekker
6 * Copyright 2010 CodeWeavers, Aric Stewart
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 *
22 * Notes:
23 * Uniscribe allows for processing of complex scripts such as joining
24 * and filtering characters and bi-directional text with custom line breaks.
25 */
26
27 #include <stdarg.h>
28 //#include <stdlib.h>
29
30 #include <windef.h>
31 //#include "winbase.h"
32 #include <wingdi.h>
33 #include <winuser.h>
34 //#include "winnls.h"
35 #include <winreg.h>
36 #include <usp10.h>
37
38 #include "usp10_internal.h"
39
40 #include <wine/debug.h>
41 #include <wine/unicode.h>
42
43 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
44
45 typedef struct _scriptRange
46 {
47 WORD script;
48 DWORD rangeFirst;
49 DWORD rangeLast;
50 WORD numericScript;
51 WORD punctScript;
52 } scriptRange;
53
54 static const scriptRange scriptRanges[] = {
55 /* Basic Latin: U+0000–U+007A */
56 { Script_Latin, 0x00, 0x07a , Script_Numeric, Script_Punctuation},
57 /* Latin-1 Supplement: U+0080–U+00FF */
58 /* Latin Extended-A: U+0100–U+017F */
59 /* Latin Extended-B: U+0180–U+024F */
60 /* IPA Extensions: U+0250–U+02AF */
61 /* Spacing Modifier Letters:U+02B0–U+02FF */
62 { Script_Latin, 0x80, 0x2ff , Script_Numeric2, Script_Punctuation},
63 /* Combining Diacritical Marks : U+0300–U+036F */
64 { Script_Diacritical,0x300, 0x36f, 0, 0},
65 /* Greek: U+0370–U+03FF */
66 { Script_Greek, 0x370, 0x3ff, 0, 0},
67 /* Cyrillic: U+0400–U+04FF */
68 /* Cyrillic Supplement: U+0500–U+052F */
69 { Script_Cyrillic, 0x400, 0x52f, 0, 0},
70 /* Armenian: U+0530–U+058F */
71 { Script_Armenian, 0x530, 0x58f, 0, 0},
72 /* Hebrew: U+0590–U+05FF */
73 { Script_Hebrew, 0x590, 0x5ff, 0, 0},
74 /* Arabic: U+0600–U+06FF */
75 { Script_Arabic, 0x600, 0x6ef, Script_Arabic_Numeric, 0},
76 /* Defined by Windows */
77 { Script_Persian, 0x6f0, 0x6f9, 0, 0},
78 /* Continue Arabic: U+0600–U+06FF */
79 { Script_Arabic, 0x6fa, 0x6ff, 0, 0},
80 /* Syriac: U+0700–U+074F*/
81 { Script_Syriac, 0x700, 0x74f, 0, 0},
82 /* Arabic Supplement: U+0750–U+077F */
83 { Script_Arabic, 0x750, 0x77f, 0, 0},
84 /* Thaana: U+0780–U+07BF */
85 { Script_Thaana, 0x780, 0x7bf, 0, 0},
86 /* N’Ko: U+07C0–U+07FF */
87 { Script_NKo, 0x7c0, 0x7ff, 0, 0},
88 /* Devanagari: U+0900–U+097F */
89 { Script_Devanagari, 0x900, 0x97f, Script_Devanagari_Numeric, 0},
90 /* Bengali: U+0980–U+09FF */
91 { Script_Bengali, 0x980, 0x9ff, Script_Bengali_Numeric, 0},
92 /* Gurmukhi: U+0A00–U+0A7F*/
93 { Script_Gurmukhi, 0xa00, 0xa7f, Script_Gurmukhi_Numeric, 0},
94 /* Gujarati: U+0A80–U+0AFF*/
95 { Script_Gujarati, 0xa80, 0xaff, Script_Gujarati_Numeric, 0},
96 /* Oriya: U+0B00–U+0B7F */
97 { Script_Oriya, 0xb00, 0xb7f, Script_Oriya_Numeric, 0},
98 /* Tamil: U+0B80–U+0BFF */
99 { Script_Tamil, 0xb80, 0xbff, Script_Tamil_Numeric, 0},
100 /* Telugu: U+0C00–U+0C7F */
101 { Script_Telugu, 0xc00, 0xc7f, Script_Telugu_Numeric, 0},
102 /* Kannada: U+0C80–U+0CFF */
103 { Script_Kannada, 0xc80, 0xcff, Script_Kannada_Numeric, 0},
104 /* Malayalam: U+0D00–U+0D7F */
105 { Script_Malayalam, 0xd00, 0xd7f, Script_Malayalam_Numeric, 0},
106 /* Sinhala: U+0D80–U+0DFF */
107 { Script_Sinhala, 0xd80, 0xdff, 0, 0},
108 /* Thai: U+0E00–U+0E7F */
109 { Script_Thai, 0xe00, 0xe7f, Script_Thai_Numeric, 0},
110 /* Lao: U+0E80–U+0EFF */
111 { Script_Lao, 0xe80, 0xeff, Script_Lao_Numeric, 0},
112 /* Tibetan: U+0F00–U+0FFF */
113 { Script_Tibetan, 0xf00, 0xfff, 0, 0},
114 /* Myanmar: U+1000–U+109F */
115 { Script_Myanmar, 0x1000, 0x109f, Script_Myanmar_Numeric, 0},
116 /* Georgian: U+10A0–U+10FF */
117 { Script_Georgian, 0x10a0, 0x10ff, 0, 0},
118 /* Hangul Jamo: U+1100–U+11FF */
119 { Script_Hangul, 0x1100, 0x11ff, 0, 0},
120 /* Ethiopic: U+1200–U+137F */
121 /* Ethiopic Extensions: U+1380–U+139F */
122 { Script_Ethiopic, 0x1200, 0x139f, 0, 0},
123 /* Cherokee: U+13A0–U+13FF */
124 { Script_Cherokee, 0x13a0, 0x13ff, 0, 0},
125 /* Canadian Aboriginal Syllabics: U+1400–U+167F */
126 { Script_Canadian, 0x1400, 0x167f, 0, 0},
127 /* Ogham: U+1680–U+169F */
128 { Script_Ogham, 0x1680, 0x169f, 0, 0},
129 /* Runic: U+16A0–U+16F0 */
130 { Script_Runic, 0x16a0, 0x16f0, 0, 0},
131 /* Khmer: U+1780–U+17FF */
132 { Script_Khmer, 0x1780, 0x17ff, Script_Khmer_Numeric, 0},
133 /* Mongolian: U+1800–U+18AF */
134 { Script_Mongolian, 0x1800, 0x18af, Script_Mongolian_Numeric, 0},
135 /* Canadian Aboriginal Syllabics Extended: U+18B0–U+18FF */
136 { Script_Canadian, 0x18b0, 0x18ff, 0, 0},
137 /* Tai Le: U+1950–U+197F */
138 { Script_Tai_Le, 0x1950, 0x197f, 0, 0},
139 /* New Tai Lue: U+1980–U+19DF */
140 { Script_New_Tai_Lue,0x1980, 0x19df, Script_New_Tai_Lue_Numeric, 0},
141 /* Khmer Symbols: U+19E0–U+19FF */
142 { Script_Khmer, 0x19e0, 0x19ff, Script_Khmer_Numeric, 0},
143 /* Vedic Extensions: U+1CD0-U+1CFF */
144 { Script_Devanagari, 0x1cd0, 0x1cff, Script_Devanagari_Numeric, 0},
145 /* Phonetic Extensions: U+1D00–U+1DBF */
146 { Script_Latin, 0x1d00, 0x1dbf, 0, 0},
147 /* Combining Diacritical Marks Supplement: U+1DC0–U+1DFF */
148 { Script_Diacritical,0x1dc0, 0x1dff, 0, 0},
149 /* Latin Extended Additional: U+1E00–U+1EFF */
150 { Script_Latin, 0x1e00, 0x1eff, 0, 0},
151 /* Greek Extended: U+1F00–U+1FFF */
152 { Script_Greek, 0x1f00, 0x1fff, 0, 0},
153 /* General Punctuation: U+2000 –U+206f */
154 { Script_Latin, 0x2000, 0x206f, 0, 0},
155 /* Superscripts and Subscripts : U+2070 –U+209f */
156 /* Currency Symbols : U+20a0 –U+20cf */
157 { Script_Numeric2, 0x2070, 0x2070, 0, 0},
158 { Script_Latin, 0x2071, 0x2073, 0, 0},
159 { Script_Numeric2, 0x2074, 0x2079, 0, 0},
160 { Script_Latin, 0x207a, 0x207f, 0, 0},
161 { Script_Numeric2, 0x2080, 0x2089, 0, 0},
162 { Script_Latin, 0x208a, 0x20cf, 0, 0},
163 /* Letterlike Symbols : U+2100 –U+214f */
164 /* Number Forms : U+2150 –U+218f */
165 /* Arrows : U+2190 –U+21ff */
166 /* Mathematical Operators : U+2200 –U+22ff */
167 /* Miscellaneous Technical : U+2300 –U+23ff */
168 /* Control Pictures : U+2400 –U+243f */
169 /* Optical Character Recognition : U+2440 –U+245f */
170 /* Enclosed Alphanumerics : U+2460 –U+24ff */
171 /* Box Drawing : U+2500 –U+25ff */
172 /* Block Elements : U+2580 –U+259f */
173 /* Geometric Shapes : U+25a0 –U+25ff */
174 /* Miscellaneous Symbols : U+2600 –U+26ff */
175 /* Dingbats : U+2700 –U+27bf */
176 /* Miscellaneous Mathematical Symbols-A : U+27c0 –U+27ef */
177 /* Supplemental Arrows-A : U+27f0 –U+27ff */
178 { Script_Latin, 0x2100, 0x27ff, 0, 0},
179 /* Braille Patterns: U+2800–U+28FF */
180 { Script_Braille, 0x2800, 0x28ff, 0, 0},
181 /* Supplemental Arrows-B : U+2900 –U+297f */
182 /* Miscellaneous Mathematical Symbols-B : U+2980 –U+29ff */
183 /* Supplemental Mathematical Operators : U+2a00 –U+2aff */
184 /* Miscellaneous Symbols and Arrows : U+2b00 –U+2bff */
185 { Script_Latin, 0x2900, 0x2bff, 0, 0},
186 /* Latin Extended-C: U+2C60–U+2C7F */
187 { Script_Latin, 0x2c60, 0x2c7f, 0, 0},
188 /* Georgian: U+2D00–U+2D2F */
189 { Script_Georgian, 0x2d00, 0x2d2f, 0, 0},
190 /* Tifinagh: U+2D30–U+2D7F */
191 { Script_Tifinagh, 0x2d30, 0x2d7f, 0, 0},
192 /* Ethiopic Extensions: U+2D80–U+2DDF */
193 { Script_Ethiopic, 0x2d80, 0x2ddf, 0, 0},
194 /* Cyrillic Extended-A: U+2DE0–U+2DFF */
195 { Script_Cyrillic, 0x2de0, 0x2dff, 0, 0},
196 /* CJK Radicals Supplement: U+2E80–U+2EFF */
197 /* Kangxi Radicals: U+2F00–U+2FDF */
198 { Script_CJK_Han, 0x2e80, 0x2fdf, 0, 0},
199 /* Ideographic Description Characters: U+2FF0–U+2FFF */
200 { Script_Ideograph ,0x2ff0, 0x2fff, 0, 0},
201 /* CJK Symbols and Punctuation: U+3000–U+303F */
202 { Script_Ideograph ,0x3000, 0x3004, 0, 0},
203 { Script_CJK_Han ,0x3005, 0x3005, 0, 0},
204 { Script_Ideograph ,0x3006, 0x3006, 0, 0},
205 { Script_CJK_Han ,0x3007, 0x3007, 0, 0},
206 { Script_Ideograph ,0x3008, 0x3020, 0, 0},
207 { Script_CJK_Han ,0x3021, 0x3029, 0, 0},
208 { Script_Ideograph ,0x302a, 0x3030, 0, 0},
209 /* Kana Marks: */
210 { Script_Kana ,0x3031, 0x3035, 0, 0},
211 { Script_Ideograph ,0x3036, 0x3037, 0, 0},
212 { Script_CJK_Han ,0x3038, 0x303b, 0, 0},
213 { Script_Ideograph ,0x303c, 0x303f, 0, 0},
214 /* Hiragana: U+3040–U+309F */
215 /* Katakana: U+30A0–U+30FF */
216 { Script_Kana ,0x3040, 0x30ff, 0, 0},
217 /* Bopomofo: U+3100–U+312F */
218 { Script_Bopomofo ,0x3100, 0x312f, 0, 0},
219 /* Hangul Compatibility Jamo: U+3130–U+318F */
220 { Script_Hangul ,0x3130, 0x318f, 0, 0},
221 /* Kanbun: U+3190–U+319F */
222 { Script_Ideograph ,0x3190, 0x319f, 0, 0},
223 /* Bopomofo Extended: U+31A0–U+31BF */
224 { Script_Bopomofo ,0x31a0, 0x31bf, 0, 0},
225 /* CJK Strokes: U+31C0–U+31EF */
226 { Script_Ideograph ,0x31c0, 0x31ef, 0, 0},
227 /* Katakana Phonetic Extensions: U+31F0–U+31FF */
228 { Script_Kana ,0x31f0, 0x31ff, 0, 0},
229 /* Enclosed CJK Letters and Months: U+3200–U+32FF */
230 { Script_Hangul ,0x3200, 0x321f, 0, 0},
231 { Script_Ideograph ,0x3220, 0x325f, 0, 0},
232 { Script_Hangul ,0x3260, 0x327f, 0, 0},
233 { Script_Ideograph ,0x3280, 0x32ef, 0, 0},
234 { Script_Kana ,0x32d0, 0x31ff, 0, 0},
235 /* CJK Compatibility: U+3300–U+33FF*/
236 { Script_Kana ,0x3300, 0x3357, 0, 0},
237 { Script_Ideograph ,0x3358, 0x33ff, 0, 0},
238 /* CJK Unified Ideographs Extension A: U+3400–U+4DBF */
239 { Script_CJK_Han ,0x3400, 0x4dbf, 0, 0},
240 /* CJK Unified Ideographs: U+4E00–U+9FFF */
241 { Script_CJK_Han ,0x4e00, 0x9fff, 0, 0},
242 /* Yi: U+A000–U+A4CF */
243 { Script_Yi ,0xa000, 0xa4cf, 0, 0},
244 /* Vai: U+A500–U+A63F */
245 { Script_Vai ,0xa500, 0xa63f, Script_Vai_Numeric, 0},
246 /* Cyrillic Extended-B: U+A640–U+A69F */
247 { Script_Cyrillic, 0xa640, 0xa69f, 0, 0},
248 /* Modifier Tone Letters: U+A700–U+A71F */
249 /* Latin Extended-D: U+A720–U+A7FF */
250 { Script_Latin, 0xa700, 0xa7ff, 0, 0},
251 /* Phags-pa: U+A840–U+A87F */
252 { Script_Phags_pa, 0xa840, 0xa87f, 0, 0},
253 /* Devanagari Extended: U+A8E0-U+A8FF */
254 { Script_Devanagari, 0xa8e0, 0xa8ff, Script_Devanagari_Numeric, 0},
255 /* Myanmar Extended-A: U+AA60–U+AA7F */
256 { Script_Myanmar, 0xaa60, 0xaa7f, Script_Myanmar_Numeric, 0},
257 /* Hangul Jamo Extended-A: U+A960–U+A97F */
258 { Script_Hangul, 0xa960, 0xa97f, 0, 0},
259 /* Hangul Syllables: U+AC00–U+D7A3 */
260 { Script_Hangul, 0xac00, 0xd7a3, 0, 0},
261 /* Hangul Jamo Extended-B: U+D7B0–U+D7FF */
262 { Script_Hangul, 0xd7b0, 0xd7ff, 0, 0},
263 /* Surrogates Area: U+D800–U+DFFF */
264 { Script_Surrogates, 0xd800, 0xdbfe, 0, 0},
265 { Script_Private, 0xdbff, 0xdc00, 0, 0},
266 { Script_Surrogates, 0xdc01, 0xdfff, 0, 0},
267 /* Private Use Area: U+E000–U+F8FF */
268 { Script_Private, 0xe000, 0xf8ff, 0, 0},
269 /* CJK Compatibility Ideographs: U+F900–U+FAFF */
270 { Script_CJK_Han ,0xf900, 0xfaff, 0, 0},
271 /* Latin Ligatures: U+FB00–U+FB06 */
272 { Script_Latin, 0xfb00, 0xfb06, 0, 0},
273 /* Armenian ligatures U+FB13..U+FB17 */
274 { Script_Armenian, 0xfb13, 0xfb17, 0, 0},
275 /* Alphabetic Presentation Forms: U+FB1D–U+FB4F */
276 { Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0},
277 /* Arabic Presentation Forms-A: U+FB50–U+FDFF*/
278 { Script_Arabic, 0xfb50, 0xfdff, 0, 0},
279 /* Vertical Forms: U+FE10–U+FE1F */
280 /* Combining Half Marks: U+FE20–U+FE2F */
281 /* CJK Compatibility Forms: U+FE30–U+FE4F */
282 /* Small Form Variants: U+FE50–U+FE6F */
283 { Script_Ideograph ,0xfe10, 0xfe6f, 0, 0},
284 /* Arabic Presentation Forms-B: U+FE70–U+FEFF*/
285 { Script_Arabic, 0xfe70, 0xfeff, 0, 0},
286 /* Halfwidth and Fullwidth Forms: U+FF00–FFEF */
287 { Script_Ideograph ,0xff00, 0xff64, Script_Numeric2, 0},
288 { Script_Kana ,0xff65, 0xff9f, 0, 0},
289 { Script_Hangul ,0xffa0, 0xffdf, 0, 0},
290 { Script_Ideograph ,0xffe0, 0xffef, 0, 0},
291 /* Plane - 1 */
292 /* Deseret: U+10400–U+1044F */
293 { Script_Deseret, 0x10400, 0x1044F, 0, 0},
294 /* Osmanya: U+10480–U+104AF */
295 { Script_Osmanya, 0x10480, 0x104AF, Script_Osmanya_Numeric, 0},
296 /* Mathematical Alphanumeric Symbols: U+1D400–U+1D7FF */
297 { Script_MathAlpha, 0x1D400, 0x1D7FF, 0, 0},
298 /* END */
299 { SCRIPT_UNDEFINED, 0, 0, 0}
300 };
301
302 /* the must be in order so that the index matches the Script value */
303 const scriptData scriptInformation[] = {
304 {{SCRIPT_UNDEFINED, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
305 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
306 0x00000000,
307 {0}},
308 {{Script_Latin, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
309 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
310 MS_MAKE_TAG('l','a','t','n'),
311 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
312 {{Script_CR, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
313 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
314 0x00000000,
315 {0}},
316 {{Script_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
317 {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
318 0x00000000,
319 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
320 {{Script_Control, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
321 {LANG_ENGLISH, 0, 1, 0, 0, ANSI_CHARSET, 1, 0, 0, 0, 0, 0, 1, 0, 0},
322 0x00000000,
323 {0}},
324 {{Script_Punctuation, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
325 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
326 0x00000000,
327 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
328 {{Script_Arabic, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
329 {LANG_ARABIC, 0, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 1, 0},
330 MS_MAKE_TAG('a','r','a','b'),
331 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
332 {{Script_Arabic_Numeric, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
333 {LANG_ARABIC, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
334 MS_MAKE_TAG('a','r','a','b'),
335 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
336 {{Script_Hebrew, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
337 {LANG_HEBREW, 0, 1, 0, 1, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
338 MS_MAKE_TAG('h','e','b','r'),
339 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
340 {{Script_Syriac, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
341 {LANG_SYRIAC, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 1, 0},
342 MS_MAKE_TAG('s','y','r','c'),
343 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
344 {{Script_Persian, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
345 {LANG_PERSIAN, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
346 MS_MAKE_TAG('s','y','r','c'),
347 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
348 {{Script_Thaana, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
349 {LANG_DIVEHI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
350 MS_MAKE_TAG('t','h','a','a'),
351 {'M','V',' ','B','o','l','i',0}},
352 {{Script_Greek, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
353 {LANG_GREEK, 0, 0, 0, 0, GREEK_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
354 MS_MAKE_TAG('g','r','e','k'),
355 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
356 {{Script_Cyrillic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
357 {LANG_RUSSIAN, 0, 0, 0, 0, RUSSIAN_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
358 MS_MAKE_TAG('c','y','r','l'),
359 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
360 {{Script_Armenian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
361 {LANG_ARMENIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
362 MS_MAKE_TAG('a','r','m','n'),
363 {'S','y','l','f','a','e','n',0}},
364 {{Script_Georgian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
365 {LANG_GEORGIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
366 MS_MAKE_TAG('g','e','o','r'),
367 {'S','y','l','f','a','e','n',0}},
368 {{Script_Sinhala, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
369 {LANG_SINHALESE, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
370 MS_MAKE_TAG('s','i','n','h'),
371 {'I','s','k','o','o','l','a',' ','P','o','t','a',0}},
372 {{Script_Tibetan, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
373 {LANG_TIBETAN, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
374 MS_MAKE_TAG('t','i','b','t'),
375 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
376 {{Script_Tibetan_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
377 {LANG_TIBETAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
378 MS_MAKE_TAG('t','i','b','t'),
379 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
380 {{Script_Phags_pa, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
381 {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
382 MS_MAKE_TAG('p','h','a','g'),
383 {'M','i','c','r','o','s','o','f','t',' ','P','h','a','g','s','P','a',0}},
384 {{Script_Thai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
385 {LANG_THAI, 0, 1, 1, 1, THAI_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 1},
386 MS_MAKE_TAG('t','h','a','i'),
387 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
388 {{Script_Thai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
389 {LANG_THAI, 1, 1, 0, 0, THAI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
390 MS_MAKE_TAG('t','h','a','i'),
391 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
392 {{Script_Lao, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
393 {LANG_LAO, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
394 MS_MAKE_TAG('l','a','o',' '),
395 {'D','o','k','C','h','a','m','p','a',0}},
396 {{Script_Lao_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
397 {LANG_LAO, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
398 MS_MAKE_TAG('l','a','o',' '),
399 {'D','o','k','C','h','a','m','p','a',0}},
400 {{Script_Devanagari, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
401 {LANG_HINDI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
402 MS_MAKE_TAG('d','e','v','a'),
403 {'M','a','n','g','a','l',0}},
404 {{Script_Devanagari_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
405 {LANG_HINDI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
406 MS_MAKE_TAG('d','e','v','a'),
407 {'M','a','n','g','a','l',0}},
408 {{Script_Bengali, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
409 {LANG_BENGALI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
410 MS_MAKE_TAG('b','e','n','g'),
411 {'V','r','i','n','d','a',0}},
412 {{Script_Bengali_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
413 {LANG_BENGALI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
414 MS_MAKE_TAG('b','e','n','g'),
415 {'V','r','i','n','d','a',0}},
416 {{Script_Bengali_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
417 {LANG_BENGALI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
418 MS_MAKE_TAG('b','e','n','g'),
419 {'V','r','i','n','d','a',0}},
420 {{Script_Gurmukhi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
421 {LANG_PUNJABI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
422 MS_MAKE_TAG('g','u','r','u'),
423 {'R','a','a','v','i',0}},
424 {{Script_Gurmukhi_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
425 {LANG_PUNJABI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
426 MS_MAKE_TAG('g','u','r','u'),
427 {'R','a','a','v','i',0}},
428 {{Script_Gujarati, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
429 {LANG_GUJARATI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
430 MS_MAKE_TAG('g','u','j','r'),
431 {'S','h','r','u','t','i',0}},
432 {{Script_Gujarati_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
433 {LANG_GUJARATI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
434 MS_MAKE_TAG('g','u','j','r'),
435 {'S','h','r','u','t','i',0}},
436 {{Script_Gujarati_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
437 {LANG_GUJARATI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
438 MS_MAKE_TAG('g','u','j','r'),
439 {'S','h','r','u','t','i',0}},
440 {{Script_Oriya, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
441 {LANG_ORIYA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
442 MS_MAKE_TAG('o','r','y','a'),
443 {'K','a','l','i','n','g','a',0}},
444 {{Script_Oriya_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
445 {LANG_ORIYA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
446 MS_MAKE_TAG('o','r','y','a'),
447 {'K','a','l','i','n','g','a',0}},
448 {{Script_Tamil, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
449 {LANG_TAMIL, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
450 MS_MAKE_TAG('t','a','m','l'),
451 {'L','a','t','h','a',0}},
452 {{Script_Tamil_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
453 {LANG_TAMIL, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
454 MS_MAKE_TAG('t','a','m','l'),
455 {'L','a','t','h','a',0}},
456 {{Script_Telugu, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
457 {LANG_TELUGU, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
458 MS_MAKE_TAG('t','e','l','u'),
459 {'G','a','u','t','a','m','i',0}},
460 {{Script_Telugu_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
461 {LANG_TELUGU, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
462 MS_MAKE_TAG('t','e','l','u'),
463 {'G','a','u','t','a','m','i',0}},
464 {{Script_Kannada, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
465 {LANG_KANNADA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
466 MS_MAKE_TAG('k','n','d','a'),
467 {'T','u','n','g','a',0}},
468 {{Script_Kannada_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
469 {LANG_KANNADA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
470 MS_MAKE_TAG('k','n','d','a'),
471 {'T','u','n','g','a',0}},
472 {{Script_Malayalam, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
473 {LANG_MALAYALAM, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
474 MS_MAKE_TAG('m','l','y','m'),
475 {'K','a','r','t','i','k','a',0}},
476 {{Script_Malayalam_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
477 {LANG_MALAYALAM, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
478 MS_MAKE_TAG('m','l','y','m'),
479 {'K','a','r','t','i','k','a',0}},
480 {{Script_Diacritical, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
481 {LANG_ENGLISH, 0, 1, 0, 1, ANSI_CHARSET, 0, 0, 0, 0, 0, 1, 1, 0, 0},
482 0x00000000,
483 {0}},
484 {{Script_Punctuation2, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
485 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
486 MS_MAKE_TAG('l','a','t','n'),
487 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
488 {{Script_Numeric2, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
489 {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
490 0x00000000,
491 {0}},
492 {{Script_Myanmar, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
493 {0x55, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
494 MS_MAKE_TAG('m','y','m','r'),
495 {'M','y','a','n','m','a','r',' ','T','e','x','t',0}},
496 {{Script_Myanmar_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
497 {0x55, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
498 MS_MAKE_TAG('m','y','m','r'),
499 {0}},
500 {{Script_Tai_Le, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
501 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
502 MS_MAKE_TAG('t','a','l','e'),
503 {'M','i','c','r','o','s','o','f','t',' ','T','a','i',' ','L','e'}},
504 {{Script_New_Tai_Lue, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
505 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
506 MS_MAKE_TAG('t','a','l','u'),
507 {'M','i','c','r','o','s','o','f','t',' ','N','e','w',' ','T','a','i',' ','L','u','e'}},
508 {{Script_New_Tai_Lue_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
509 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
510 MS_MAKE_TAG('t','a','l','u'),
511 {'M','i','c','r','o','s','o','f','t',' ','N','e','w',' ','T','a','i',' ','L','u','e'}},
512 {{Script_Khmer, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
513 {0x53, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
514 MS_MAKE_TAG('k','h','m','r'),
515 {'D','a','u','n','P','e','n','h'}},
516 {{Script_Khmer_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
517 {0x53, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
518 MS_MAKE_TAG('k','h','m','r'),
519 {'D','a','u','n','P','e','n','h'}},
520 {{Script_CJK_Han, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
521 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
522 MS_MAKE_TAG('h','a','n','i'),
523 {0}},
524 {{Script_Ideograph, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
525 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
526 MS_MAKE_TAG('h','a','n','i'),
527 {0}},
528 {{Script_Bopomofo, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
529 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
530 MS_MAKE_TAG('b','o','p','o'),
531 {0}},
532 {{Script_Kana, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
533 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
534 MS_MAKE_TAG('k','a','n','a'),
535 {0}},
536 {{Script_Hangul, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
537 {LANG_KOREAN, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
538 MS_MAKE_TAG('h','a','n','g'),
539 {0}},
540 {{Script_Yi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
541 {LANG_ENGLISH, 0, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
542 MS_MAKE_TAG('y','i',' ',' '),
543 {'M','i','c','r','o','s','o','f','t',' ','Y','i',' ','B','a','i','t','i'}},
544 {{Script_Ethiopic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
545 {0x5e, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
546 MS_MAKE_TAG('e','t','h','i'),
547 {'N','y','a','l','a'}},
548 {{Script_Ethiopic_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
549 {0x5e, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
550 MS_MAKE_TAG('e','t','h','i'),
551 {'N','y','a','l','a'}},
552 {{Script_Mongolian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
553 {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
554 MS_MAKE_TAG('m','o','n','g'),
555 {'M','o','n','g','o','l','i','a','n',' ','B','a','i','t','i'}},
556 {{Script_Mongolian_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
557 {LANG_MONGOLIAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
558 MS_MAKE_TAG('m','o','n','g'),
559 {'M','o','n','g','o','l','i','a','n',' ','B','a','i','t','i'}},
560 {{Script_Tifinagh, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
561 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
562 MS_MAKE_TAG('t','f','n','g'),
563 {'E','b','r','i','m','a'}},
564 {{Script_NKo, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
565 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
566 MS_MAKE_TAG('n','k','o',' '),
567 {'E','b','r','i','m','a'}},
568 {{Script_Vai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
569 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
570 MS_MAKE_TAG('v','a','i',' '),
571 {'E','b','r','i','m','a'}},
572 {{Script_Vai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
573 {0, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
574 MS_MAKE_TAG('v','a','i',' '),
575 {'E','b','r','i','m','a'}},
576 {{Script_Cherokee, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
577 {0x5c, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
578 MS_MAKE_TAG('c','h','e','r'),
579 {'P','l','a','n','t','a','g','e','n','e','t',' ','C','h','e','r','o','k','e','e'}},
580 {{Script_Canadian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
581 {0x5d, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
582 MS_MAKE_TAG('c','a','n','s'),
583 {'E','u','p','h','e','m','i','a'}},
584 {{Script_Ogham, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
585 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
586 MS_MAKE_TAG('o','g','a','m'),
587 {'S','e','g','o','e',' ','U','I',' ','S','y','m','b','o','l'}},
588 {{Script_Runic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
589 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
590 MS_MAKE_TAG('r','u','n','r'),
591 {'S','e','g','o','e',' ','U','I',' ','S','y','m','b','o','l'}},
592 {{Script_Braille, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
593 {LANG_ENGLISH, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
594 MS_MAKE_TAG('b','r','a','i'),
595 {'S','e','g','o','e',' ','U','I',' ','S','y','m','b','o','l'}},
596 {{Script_Surrogates, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
597 {LANG_ENGLISH, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
598 0x00000000,
599 {0}},
600 {{Script_Private, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
601 {0, 0, 0, 0, 0, DEFAULT_CHARSET, 0, 1, 0, 0, 0, 0, 1, 0, 0},
602 0x00000000,
603 {0}},
604 {{Script_Deseret, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
605 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
606 MS_MAKE_TAG('d','s','r','t'),
607 {'S','e','g','o','e',' ','U','I',' ','S','y','m','b','o','l'}},
608 {{Script_Osmanya, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
609 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
610 MS_MAKE_TAG('o','s','m','a'),
611 {'E','b','r','i','m','a'}},
612 {{Script_Osmanya_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
613 {0, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
614 MS_MAKE_TAG('o','s','m','a'),
615 {'E','b','r','i','m','a'}},
616 {{Script_MathAlpha, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
617 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
618 MS_MAKE_TAG('m','a','t','h'),
619 {'C','a','m','b','r','i','a',' ','M','a','t','h'}},
620 {{Script_Hebrew_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
621 {LANG_HEBREW, 0, 1, 0, 0, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
622 MS_MAKE_TAG('h','e','b','r'),
623 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
624 {{Script_Vietnamese_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
625 {LANG_VIETNAMESE, 0, 0, 0, 0, VIETNAMESE_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
626 MS_MAKE_TAG('l','a','t','n'),
627 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
628 {{Script_Thai_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
629 {LANG_THAI, 0, 1, 0, 0, THAI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
630 MS_MAKE_TAG('t','h','a','i'),
631 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
632 };
633
634 static const SCRIPT_PROPERTIES *script_props[] =
635 {
636 &scriptInformation[0].props, &scriptInformation[1].props,
637 &scriptInformation[2].props, &scriptInformation[3].props,
638 &scriptInformation[4].props, &scriptInformation[5].props,
639 &scriptInformation[6].props, &scriptInformation[7].props,
640 &scriptInformation[8].props, &scriptInformation[9].props,
641 &scriptInformation[10].props, &scriptInformation[11].props,
642 &scriptInformation[12].props, &scriptInformation[13].props,
643 &scriptInformation[14].props, &scriptInformation[15].props,
644 &scriptInformation[16].props, &scriptInformation[17].props,
645 &scriptInformation[18].props, &scriptInformation[19].props,
646 &scriptInformation[20].props, &scriptInformation[21].props,
647 &scriptInformation[22].props, &scriptInformation[23].props,
648 &scriptInformation[24].props, &scriptInformation[25].props,
649 &scriptInformation[26].props, &scriptInformation[27].props,
650 &scriptInformation[28].props, &scriptInformation[29].props,
651 &scriptInformation[30].props, &scriptInformation[31].props,
652 &scriptInformation[32].props, &scriptInformation[33].props,
653 &scriptInformation[34].props, &scriptInformation[35].props,
654 &scriptInformation[36].props, &scriptInformation[37].props,
655 &scriptInformation[38].props, &scriptInformation[39].props,
656 &scriptInformation[40].props, &scriptInformation[41].props,
657 &scriptInformation[42].props, &scriptInformation[43].props,
658 &scriptInformation[44].props, &scriptInformation[45].props,
659 &scriptInformation[46].props, &scriptInformation[47].props,
660 &scriptInformation[48].props, &scriptInformation[49].props,
661 &scriptInformation[50].props, &scriptInformation[51].props,
662 &scriptInformation[52].props, &scriptInformation[53].props,
663 &scriptInformation[54].props, &scriptInformation[55].props,
664 &scriptInformation[56].props, &scriptInformation[57].props,
665 &scriptInformation[58].props, &scriptInformation[59].props,
666 &scriptInformation[60].props, &scriptInformation[61].props,
667 &scriptInformation[62].props, &scriptInformation[63].props,
668 &scriptInformation[64].props, &scriptInformation[65].props,
669 &scriptInformation[66].props, &scriptInformation[67].props,
670 &scriptInformation[68].props, &scriptInformation[69].props,
671 &scriptInformation[70].props, &scriptInformation[71].props,
672 &scriptInformation[72].props, &scriptInformation[73].props,
673 &scriptInformation[74].props, &scriptInformation[75].props,
674 &scriptInformation[76].props, &scriptInformation[77].props,
675 &scriptInformation[78].props, &scriptInformation[79].props,
676 &scriptInformation[80].props, &scriptInformation[81].props
677 };
678
679 typedef struct {
680 ScriptCache *sc;
681 int numGlyphs;
682 WORD* glyphs;
683 WORD* pwLogClust;
684 int* piAdvance;
685 SCRIPT_VISATTR* psva;
686 GOFFSET* pGoffset;
687 ABC* abc;
688 int iMaxPosX;
689 HFONT fallbackFont;
690 } StringGlyphs;
691
692 typedef struct {
693 HDC hdc;
694 DWORD dwFlags;
695 BOOL invalid;
696 int clip_len;
697 int cItems;
698 int cMaxGlyphs;
699 SCRIPT_ITEM* pItem;
700 int numItems;
701 StringGlyphs* glyphs;
702 SCRIPT_LOGATTR* logattrs;
703 SIZE* sz;
704 int* logical2visual;
705 } StringAnalysis;
706
707 typedef struct {
708 BOOL ascending;
709 WORD target;
710 } FindGlyph_struct;
711
712 static inline void *heap_alloc(SIZE_T size)
713 {
714 return HeapAlloc(GetProcessHeap(), 0, size);
715 }
716
717 static inline void *heap_alloc_zero(SIZE_T size)
718 {
719 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
720 }
721
722 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
723 {
724 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
725 }
726
727 static inline BOOL heap_free(LPVOID mem)
728 {
729 return HeapFree(GetProcessHeap(), 0, mem);
730 }
731
732 /* TODO Fix font properties on Arabic locale */
733 static inline BOOL set_cache_font_properties(const HDC hdc, ScriptCache *sc)
734 {
735 if (!sc->sfnt)
736 {
737 sc->sfp.wgBlank = sc->tm.tmBreakChar;
738 sc->sfp.wgDefault = sc->tm.tmDefaultChar;
739 sc->sfp.wgInvalid = sc->sfp.wgBlank;
740 sc->sfp.wgKashida = 0xFFFF;
741 sc->sfp.iKashidaWidth = 0;
742 }
743 else
744 {
745 static const WCHAR chars[4] = {0x0020, 0x200B, 0xF71B, 0x0640};
746 /* U+0020: numeric space
747 U+200B: zero width space
748 U+F71B: unknow char found by black box testing
749 U+0640: kashida */
750 WORD gi[4];
751
752 if (GetGlyphIndicesW(hdc, chars, 4, gi, GGI_MARK_NONEXISTING_GLYPHS) != GDI_ERROR)
753 {
754 if(gi[0] != 0xFFFF) /* 0xFFFF: index of default non exist char */
755 sc->sfp.wgBlank = gi[0];
756 else
757 sc->sfp.wgBlank = 0;
758
759 sc->sfp.wgDefault = 0;
760
761 if (gi[2] != 0xFFFF)
762 sc->sfp.wgInvalid = gi[2];
763 else if (gi[1] != 0xFFFF)
764 sc->sfp.wgInvalid = gi[1];
765 else if (gi[0] != 0xFFFF)
766 sc->sfp.wgInvalid = gi[0];
767 else
768 sc->sfp.wgInvalid = 0;
769
770 sc->sfp.wgKashida = gi[3];
771
772 sc->sfp.iKashidaWidth = 0; /* TODO */
773 }
774 else
775 return FALSE;
776 }
777 return TRUE;
778 }
779
780 static inline void get_cache_font_properties(SCRIPT_FONTPROPERTIES *sfp, ScriptCache *sc)
781 {
782 sfp->wgBlank = sc->sfp.wgBlank;
783 sfp->wgDefault = sc->sfp.wgDefault;
784 sfp->wgInvalid = sc->sfp.wgInvalid;
785 sfp->wgKashida = sc->sfp.wgKashida;
786 sfp->iKashidaWidth = sc->sfp.iKashidaWidth;
787 }
788
789 static inline LONG get_cache_height(SCRIPT_CACHE *psc)
790 {
791 return ((ScriptCache *)*psc)->tm.tmHeight;
792 }
793
794 static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
795 {
796 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
797 }
798
799 static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, DWORD c)
800 {
801 CacheGlyphPage *page = ((ScriptCache *)*psc)->page[c / 0x10000];
802 WORD *block;
803
804 if (!page) return 0;
805 block = page->glyphs[(c % 0x10000) >> GLYPH_BLOCK_SHIFT];
806 if (!block) return 0;
807 return block[(c % 0x10000) & GLYPH_BLOCK_MASK];
808 }
809
810 static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
811 {
812 CacheGlyphPage **page = &((ScriptCache *)*psc)->page[c / 0x10000];
813 WORD **block;
814 if (!*page && !(*page = heap_alloc_zero(sizeof(CacheGlyphPage)))) return 0;
815
816 block = &(*page)->glyphs[(c % 0x10000) >> GLYPH_BLOCK_SHIFT];
817 if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
818 return ((*block)[(c % 0x10000) & GLYPH_BLOCK_MASK] = glyph);
819 }
820
821 static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
822 {
823 static const ABC nil;
824 ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
825
826 if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
827 memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
828 return TRUE;
829 }
830
831 static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
832 {
833 ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
834
835 if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
836 memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
837 return TRUE;
838 }
839
840 static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
841 {
842 ScriptCache *sc;
843 int size;
844
845 if (!psc) return E_INVALIDARG;
846 if (*psc) return S_OK;
847 if (!hdc) return E_PENDING;
848
849 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
850 if (!GetTextMetricsW(hdc, &sc->tm))
851 {
852 heap_free(sc);
853 return E_INVALIDARG;
854 }
855 size = GetOutlineTextMetricsW(hdc, 0, NULL);
856 if (size)
857 {
858 sc->otm = heap_alloc(size);
859 sc->otm->otmSize = size;
860 GetOutlineTextMetricsW(hdc, size, sc->otm);
861 }
862 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
863 {
864 heap_free(sc);
865 return E_INVALIDARG;
866 }
867 sc->sfnt = (GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, NULL, 0)!=GDI_ERROR);
868 if (!set_cache_font_properties(hdc, sc))
869 {
870 heap_free(sc);
871 return E_INVALIDARG;
872 }
873 *psc = sc;
874 TRACE("<- %p\n", sc);
875 return S_OK;
876 }
877
878 static WCHAR mirror_char( WCHAR ch )
879 {
880 extern const WCHAR wine_mirror_map[];
881 return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
882 }
883
884 static inline DWORD decode_surrogate_pair(LPCWSTR str, INT index, INT end)
885 {
886 if (index < end-1 && IS_SURROGATE_PAIR(str[index],str[index+1]))
887 {
888 DWORD ch = 0x10000 + ((str[index] - 0xd800) << 10) + (str[index+1] - 0xdc00);
889 TRACE("Surrogate Pair %x %x => %x\n",str[index], str[index+1], ch);
890 return ch;
891 }
892 return 0;
893 }
894
895 static WORD get_char_script( LPCWSTR str, INT index, INT end, INT *consumed)
896 {
897 static const WCHAR latin_punc[] = {'#','$','&','\'',',',';','<','>','?','@','\\','^','_','`','{','|','}','~', 0x00a0, 0};
898 WORD type = 0;
899 DWORD ch;
900 int i;
901
902 *consumed = 1;
903
904 if (str[index] == 0xc || str[index] == 0x20 || str[index] == 0x202f)
905 return Script_CR;
906
907 /* These punctuation are separated out as Latin punctuation */
908 if (strchrW(latin_punc,str[index]))
909 return Script_Punctuation2;
910
911 /* These chars are itemized as Punctuation by Windows */
912 if (str[index] == 0x2212 || str[index] == 0x2044)
913 return Script_Punctuation;
914
915 /* Currency Symboles by Unicode point */
916 switch (str[index])
917 {
918 case 0x09f2:
919 case 0x09f3: return Script_Bengali_Currency;
920 case 0x0af1: return Script_Gujarati_Currency;
921 case 0x0e3f: return Script_Thai_Currency;
922 case 0x20aa: return Script_Hebrew_Currency;
923 case 0x20ab: return Script_Vietnamese_Currency;
924 case 0xfb29: return Script_Hebrew_Currency;
925 }
926
927 GetStringTypeW(CT_CTYPE1, &str[index], 1, &type);
928
929 if (type == 0)
930 return SCRIPT_UNDEFINED;
931
932 if (type & C1_CNTRL)
933 return Script_Control;
934
935 ch = decode_surrogate_pair(str, index, end);
936 if (ch)
937 *consumed = 2;
938 else
939 ch = str[index];
940
941 i = 0;
942 do
943 {
944 if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
945 break;
946
947 if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
948 {
949 if (scriptRanges[i].numericScript && type & C1_DIGIT)
950 return scriptRanges[i].numericScript;
951 if (scriptRanges[i].punctScript && type & C1_PUNCT)
952 return scriptRanges[i].punctScript;
953 return scriptRanges[i].script;
954 }
955 i++;
956 } while (1);
957
958 return SCRIPT_UNDEFINED;
959 }
960
961 static int compare_FindGlyph(const void *a, const void* b)
962 {
963 const FindGlyph_struct *find = (FindGlyph_struct*)a;
964 const WORD *idx= (WORD*)b;
965 int rc = 0;
966
967 if ( find->target > *idx)
968 rc = 1;
969 else if (find->target < *idx)
970 rc = -1;
971
972 if (!find->ascending)
973 rc *= -1;
974 return rc;
975 }
976
977 int USP10_FindGlyphInLogClust(const WORD* pwLogClust, int cChars, WORD target)
978 {
979 FindGlyph_struct fgs;
980 WORD *ptr;
981 INT k;
982
983 if (pwLogClust[0] < pwLogClust[cChars-1])
984 fgs.ascending = TRUE;
985 else
986 fgs.ascending = FALSE;
987
988 fgs.target = target;
989 ptr = bsearch(&fgs, pwLogClust, cChars, sizeof(WORD), compare_FindGlyph);
990
991 if (!ptr)
992 return -1;
993
994 for (k = (ptr - pwLogClust)-1; k >= 0 && pwLogClust[k] == target; k--)
995 ;
996 k++;
997
998 return k;
999 }
1000
1001 /***********************************************************************
1002 * ScriptFreeCache (USP10.@)
1003 *
1004 * Free a script cache.
1005 *
1006 * PARAMS
1007 * psc [I/O] Script cache.
1008 *
1009 * RETURNS
1010 * Success: S_OK
1011 * Failure: Non-zero HRESULT value.
1012 */
1013 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
1014 {
1015 TRACE("%p\n", psc);
1016
1017 if (psc && *psc)
1018 {
1019 unsigned int i;
1020 INT n;
1021 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
1022 {
1023 heap_free(((ScriptCache *)*psc)->widths[i]);
1024 }
1025 for (i = 0; i < 0x10; i++)
1026 {
1027 unsigned int j;
1028 if (((ScriptCache *)*psc)->page[i])
1029 for (j = 0; j < GLYPH_MAX / GLYPH_BLOCK_SIZE; j++)
1030 heap_free(((ScriptCache *)*psc)->page[i]->glyphs[j]);
1031 heap_free(((ScriptCache *)*psc)->page[i]);
1032 }
1033 heap_free(((ScriptCache *)*psc)->GSUB_Table);
1034 heap_free(((ScriptCache *)*psc)->GDEF_Table);
1035 heap_free(((ScriptCache *)*psc)->CMAP_Table);
1036 heap_free(((ScriptCache *)*psc)->GPOS_Table);
1037 for (n = 0; n < ((ScriptCache *)*psc)->script_count; n++)
1038 {
1039 int j;
1040 for (j = 0; j < ((ScriptCache *)*psc)->scripts[n].language_count; j++)
1041 {
1042 int k;
1043 for (k = 0; k < ((ScriptCache *)*psc)->scripts[n].languages[j].feature_count; k++)
1044 heap_free(((ScriptCache *)*psc)->scripts[n].languages[j].features[k].lookups);
1045 heap_free(((ScriptCache *)*psc)->scripts[n].languages[j].features);
1046 }
1047 for (j = 0; j < ((ScriptCache *)*psc)->scripts[n].default_language.feature_count; j++)
1048 heap_free(((ScriptCache *)*psc)->scripts[n].default_language.features[j].lookups);
1049 heap_free(((ScriptCache *)*psc)->scripts[n].default_language.features);
1050 heap_free(((ScriptCache *)*psc)->scripts[n].languages);
1051 }
1052 heap_free(((ScriptCache *)*psc)->scripts);
1053 heap_free(((ScriptCache *)*psc)->otm);
1054 heap_free(*psc);
1055 *psc = NULL;
1056 }
1057 return S_OK;
1058 }
1059
1060 /***********************************************************************
1061 * ScriptGetProperties (USP10.@)
1062 *
1063 * Retrieve a list of script properties.
1064 *
1065 * PARAMS
1066 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
1067 * num [I] Pointer to the number of scripts.
1068 *
1069 * RETURNS
1070 * Success: S_OK
1071 * Failure: Non-zero HRESULT value.
1072 *
1073 * NOTES
1074 * Behaviour matches WinXP.
1075 */
1076 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
1077 {
1078 TRACE("(%p,%p)\n", props, num);
1079
1080 if (!props && !num) return E_INVALIDARG;
1081
1082 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
1083 if (props) *props = script_props;
1084
1085 return S_OK;
1086 }
1087
1088 /***********************************************************************
1089 * ScriptGetFontProperties (USP10.@)
1090 *
1091 * Get information on special glyphs.
1092 *
1093 * PARAMS
1094 * hdc [I] Device context.
1095 * psc [I/O] Opaque pointer to a script cache.
1096 * sfp [O] Font properties structure.
1097 */
1098 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
1099 {
1100 HRESULT hr;
1101
1102 TRACE("%p,%p,%p\n", hdc, psc, sfp);
1103
1104 if (!sfp) return E_INVALIDARG;
1105 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
1106
1107 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
1108 return E_INVALIDARG;
1109
1110 get_cache_font_properties(sfp, *psc);
1111
1112 return S_OK;
1113 }
1114
1115 /***********************************************************************
1116 * ScriptRecordDigitSubstitution (USP10.@)
1117 *
1118 * Record digit substitution settings for a given locale.
1119 *
1120 * PARAMS
1121 * locale [I] Locale identifier.
1122 * sds [I] Structure to record substitution settings.
1123 *
1124 * RETURNS
1125 * Success: S_OK
1126 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
1127 *
1128 * SEE ALSO
1129 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
1130 */
1131 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
1132 {
1133 DWORD plgid, sub;
1134
1135 TRACE("0x%x, %p\n", locale, sds);
1136
1137 /* This implementation appears to be correct for all languages, but it's
1138 * not clear if sds->DigitSubstitute is ever set to anything except
1139 * CONTEXT or NONE in reality */
1140
1141 if (!sds) return E_POINTER;
1142
1143 locale = ConvertDefaultLocale(locale);
1144
1145 if (!IsValidLocale(locale, LCID_INSTALLED))
1146 return E_INVALIDARG;
1147
1148 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
1149 sds->TraditionalDigitLanguage = plgid;
1150
1151 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
1152 sds->NationalDigitLanguage = plgid;
1153 else
1154 sds->NationalDigitLanguage = LANG_ENGLISH;
1155
1156 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
1157 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
1158
1159 switch (sub)
1160 {
1161 case 0:
1162 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
1163 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
1164 else
1165 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
1166 break;
1167 case 1:
1168 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
1169 break;
1170 case 2:
1171 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
1172 break;
1173 default:
1174 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
1175 break;
1176 }
1177
1178 sds->dwReserved = 0;
1179 return S_OK;
1180 }
1181
1182 /***********************************************************************
1183 * ScriptApplyDigitSubstitution (USP10.@)
1184 *
1185 * Apply digit substitution settings.
1186 *
1187 * PARAMS
1188 * sds [I] Structure with recorded substitution settings.
1189 * sc [I] Script control structure.
1190 * ss [I] Script state structure.
1191 *
1192 * RETURNS
1193 * Success: S_OK
1194 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
1195 */
1196 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
1197 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
1198 {
1199 SCRIPT_DIGITSUBSTITUTE psds;
1200
1201 TRACE("%p, %p, %p\n", sds, sc, ss);
1202
1203 if (!sc || !ss) return E_POINTER;
1204 if (!sds)
1205 {
1206 sds = &psds;
1207 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
1208 return E_INVALIDARG;
1209 }
1210
1211 sc->uDefaultLanguage = LANG_ENGLISH;
1212 sc->fContextDigits = 0;
1213 ss->fDigitSubstitute = 0;
1214
1215 switch (sds->DigitSubstitute) {
1216 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
1217 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
1218 case SCRIPT_DIGITSUBSTITUTE_NONE:
1219 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
1220 return S_OK;
1221 default:
1222 return E_INVALIDARG;
1223 }
1224 }
1225
1226 static inline BOOL is_indic(WORD script)
1227 {
1228 return (script >= Script_Devanagari && script <= Script_Malayalam_Numeric);
1229 }
1230
1231 static inline WORD base_indic(WORD script)
1232 {
1233 switch (script)
1234 {
1235 case Script_Devanagari:
1236 case Script_Devanagari_Numeric: return Script_Devanagari;
1237 case Script_Bengali:
1238 case Script_Bengali_Numeric:
1239 case Script_Bengali_Currency: return Script_Bengali;
1240 case Script_Gurmukhi:
1241 case Script_Gurmukhi_Numeric: return Script_Gurmukhi;
1242 case Script_Gujarati:
1243 case Script_Gujarati_Numeric:
1244 case Script_Gujarati_Currency: return Script_Gujarati;
1245 case Script_Oriya:
1246 case Script_Oriya_Numeric: return Script_Oriya;
1247 case Script_Tamil:
1248 case Script_Tamil_Numeric: return Script_Tamil;
1249 case Script_Telugu:
1250 case Script_Telugu_Numeric: return Script_Telugu;
1251 case Script_Kannada:
1252 case Script_Kannada_Numeric: return Script_Kannada;
1253 case Script_Malayalam:
1254 case Script_Malayalam_Numeric: return Script_Malayalam;
1255 default:
1256 return -1;
1257 };
1258 }
1259
1260
1261 static HRESULT _ItemizeInternal(const WCHAR *pwcInChars, int cInChars,
1262 int cMaxItems, const SCRIPT_CONTROL *psControl,
1263 const SCRIPT_STATE *psState, SCRIPT_ITEM *pItems,
1264 OPENTYPE_TAG *pScriptTags, int *pcItems)
1265 {
1266
1267 #define Numeric_space 0x0020
1268 #define ZWNJ 0x200C
1269 #define ZWJ 0x200D
1270
1271 int cnt = 0, index = 0, str = 0;
1272 int New_Script = -1;
1273 int i;
1274 WORD *levels = NULL;
1275 WORD *strength = NULL;
1276 WORD *scripts = NULL;
1277 WORD baselevel = 0;
1278 BOOL new_run;
1279 WORD last_indic = -1;
1280 WORD layoutRTL = 0;
1281 BOOL forceLevels = FALSE;
1282 INT consumed = 0;
1283
1284 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
1285 psControl, psState, pItems, pcItems);
1286
1287 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
1288 return E_INVALIDARG;
1289
1290 scripts = heap_alloc(cInChars * sizeof(WORD));
1291 if (!scripts)
1292 return E_OUTOFMEMORY;
1293
1294 for (i = 0; i < cInChars; i++)
1295 {
1296 if (consumed <= 0)
1297 {
1298 scripts[i] = get_char_script(pwcInChars,i,cInChars,&consumed);
1299 consumed --;
1300 }
1301 else
1302 {
1303 scripts[i] = scripts[i-1];
1304 consumed --;
1305 }
1306 /* Devanagari danda (U+0964) and double danda (U+0965) are used for
1307 all Indic scripts */
1308 if ((pwcInChars[i] == 0x964 || pwcInChars[i] ==0x965) && last_indic > 0)
1309 scripts[i] = last_indic;
1310 else if (is_indic(scripts[i]))
1311 last_indic = base_indic(scripts[i]);
1312
1313 /* Some unicode points (Zero Width Space U+200B -
1314 Right-to-Left Mark U+200F) will force us into bidi mode */
1315 if (!forceLevels && pwcInChars[i] >= 0x200B && pwcInChars[i] <= 0x200F)
1316 forceLevels = TRUE;
1317
1318 /* Diacritical marks merge with other scripts */
1319 if (scripts[i] == Script_Diacritical)
1320 {
1321 if (i > 0)
1322 {
1323 if (pScriptTags)
1324 scripts[i] = scripts[i-1];
1325 else
1326 {
1327 int j;
1328 BOOL asian = FALSE;
1329 WORD first_script = scripts[i-1];
1330 for (j = i-1; j >= 0 && scripts[j] == first_script && pwcInChars[j] != Numeric_space; j--)
1331 {
1332 WORD original = scripts[j];
1333 if (original == Script_Ideograph || original == Script_Kana || original == Script_Yi || original == Script_CJK_Han || original == Script_Bopomofo)
1334 {
1335 asian = TRUE;
1336 break;
1337 }
1338 if (original != Script_MathAlpha && scriptInformation[scripts[j]].props.fComplex)
1339 break;
1340 scripts[j] = scripts[i];
1341 if (original == Script_Punctuation2)
1342 break;
1343 }
1344 if (j >= 0 && (scriptInformation[scripts[j]].props.fComplex || asian))
1345 scripts[i] = scripts[j];
1346 }
1347 }
1348 }
1349 }
1350
1351 for (i = 0; i < cInChars; i++)
1352 {
1353 /* Joiners get merged preferencially right */
1354 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1355 {
1356 int j;
1357 if (i+1 == cInChars)
1358 scripts[i] = scripts[i-1];
1359 else
1360 {
1361 for (j = i+1; j < cInChars; j++)
1362 {
1363 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1364 {
1365 scripts[i] = scripts[j];
1366 break;
1367 }
1368 }
1369 }
1370 }
1371 }
1372
1373 if (psState && psControl)
1374 {
1375 levels = heap_alloc_zero(cInChars * sizeof(WORD));
1376 if (!levels)
1377 {
1378 heap_free(scripts);
1379 return E_OUTOFMEMORY;
1380 }
1381
1382 BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels);
1383 baselevel = levels[0];
1384 for (i = 0; i < cInChars; i++)
1385 if (levels[i]!=levels[0])
1386 break;
1387 if (i >= cInChars && !odd(baselevel) && !odd(psState->uBidiLevel) && !forceLevels)
1388 {
1389 heap_free(levels);
1390 levels = NULL;
1391 }
1392 else
1393 {
1394 BOOL inNumber = FALSE;
1395 static WCHAR math_punc[] = {'#','$','%','+',',','-','.','/',':',0x2212, 0x2044, 0x00a0,0};
1396
1397 strength = heap_alloc_zero(cInChars * sizeof(WORD));
1398 if (!strength)
1399 {
1400 heap_free(scripts);
1401 heap_free(levels);
1402 return E_OUTOFMEMORY;
1403 }
1404 BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
1405
1406 /* We currently mis-level leading Diacriticals */
1407 if (scripts[0] == Script_Diacritical)
1408 for (i = 0; i < cInChars && scripts[0] == Script_Diacritical; i++)
1409 {
1410 levels[i] = odd(levels[i])?levels[i]+1:levels[i];
1411 strength[i] = BIDI_STRONG;
1412 }
1413
1414 for (i = 0; i < cInChars; i++)
1415 {
1416 /* Script_Numeric and select puncuation at level 0 get bumped to level 2 */
1417 if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && inNumber && strchrW(math_punc,pwcInChars[i]))
1418 {
1419 scripts[i] = Script_Numeric;
1420 levels[i] = 2;
1421 }
1422 else if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && scripts[i] == Script_Numeric)
1423 {
1424 levels[i] = 2;
1425 inNumber = TRUE;
1426 }
1427 else
1428 inNumber = FALSE;
1429
1430 /* Joiners get merged preferencially right */
1431 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1432 {
1433 int j;
1434 if (i+1 == cInChars && levels[i-1] == levels[i])
1435 strength[i] = strength[i-1];
1436 else
1437 for (j = i+1; j < cInChars && levels[i] == levels[j]; j++)
1438 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1439 {
1440 strength[i] = strength[j];
1441 break;
1442 }
1443 }
1444 }
1445 if (psControl->fMergeNeutralItems)
1446 {
1447 /* Merge the neutrals */
1448 for (i = 0; i < cInChars; i++)
1449 {
1450 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1451 {
1452 int j;
1453 for (j = i; j > 0; j--)
1454 {
1455 if (levels[i] != levels[j])
1456 break;
1457 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1458 {
1459 scripts[i] = scripts[j];
1460 strength[i] = strength[j];
1461 break;
1462 }
1463 }
1464 }
1465 /* Try going the other way */
1466 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1467 {
1468 int j;
1469 for (j = i; j < cInChars; j++)
1470 {
1471 if (levels[i] != levels[j])
1472 break;
1473 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1474 {
1475 scripts[i] = scripts[j];
1476 strength[i] = strength[j];
1477 break;
1478 }
1479 }
1480 }
1481 }
1482 }
1483 }
1484 }
1485
1486 while ((!levels || (levels && levels[cnt+1] == levels[0])) && (pwcInChars[cnt] == Numeric_space) && cnt < cInChars)
1487 cnt++;
1488
1489 if (cnt == cInChars) /* All Spaces */
1490 {
1491 cnt = 0;
1492 New_Script = scripts[cnt];
1493 }
1494
1495 pItems[index].iCharPos = 0;
1496 pItems[index].a = scriptInformation[scripts[cnt]].a;
1497 if (pScriptTags)
1498 pScriptTags[index] = scriptInformation[scripts[cnt]].scriptTag;
1499
1500 if (strength && strength[cnt] == BIDI_STRONG)
1501 str = strength[cnt];
1502 else if (strength)
1503 str = strength[0];
1504
1505 cnt = 0;
1506
1507 if (levels)
1508 {
1509 if (strength[cnt] == BIDI_STRONG)
1510 layoutRTL = (odd(levels[cnt]))?1:0;
1511 else
1512 layoutRTL = (psState->uBidiLevel || odd(levels[cnt]))?1:0;
1513 pItems[index].a.fRTL = odd(levels[cnt]);
1514 pItems[index].a.fLayoutRTL = layoutRTL;
1515 pItems[index].a.s.uBidiLevel = levels[cnt];
1516 }
1517 else if (!pItems[index].a.s.uBidiLevel)
1518 {
1519 layoutRTL = (odd(baselevel))?1:0;
1520 pItems[index].a.s.uBidiLevel = baselevel;
1521 pItems[index].a.fLayoutRTL = odd(baselevel);
1522 pItems[index].a.fRTL = odd(baselevel);
1523 }
1524
1525 TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
1526 levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt,
1527 pItems[index].iCharPos);
1528
1529 for (cnt=1; cnt < cInChars; cnt++)
1530 {
1531 if(pwcInChars[cnt] != Numeric_space)
1532 New_Script = scripts[cnt];
1533 else if (levels)
1534 {
1535 int j = 1;
1536 while (cnt + j < cInChars - 1 && pwcInChars[cnt+j] == Numeric_space && levels[cnt] == levels[cnt+j])
1537 j++;
1538 if (cnt + j < cInChars && levels[cnt] == levels[cnt+j])
1539 New_Script = scripts[cnt+j];
1540 else
1541 New_Script = scripts[cnt];
1542 }
1543
1544 new_run = FALSE;
1545 /* merge space strengths*/
1546 if (strength && strength[cnt] == BIDI_STRONG && str != BIDI_STRONG && New_Script == pItems[index].a.eScript)
1547 str = BIDI_STRONG;
1548
1549 if (strength && strength[cnt] == BIDI_NEUTRAL && str == BIDI_STRONG && pwcInChars[cnt] != Numeric_space && New_Script == pItems[index].a.eScript)
1550 str = BIDI_NEUTRAL;
1551
1552 /* changes in level */
1553 if (levels && (levels[cnt] != pItems[index].a.s.uBidiLevel))
1554 {
1555 TRACE("Level break(%i/%i)\n",pItems[index].a.s.uBidiLevel,levels[cnt]);
1556 new_run = TRUE;
1557 }
1558 /* changes in strength */
1559 else if (strength && pwcInChars[cnt] != Numeric_space && str != strength[cnt])
1560 {
1561 TRACE("Strength break (%i/%i)\n",str,strength[cnt]);
1562 new_run = TRUE;
1563 }
1564 /* changes in script */
1565 else if (((pwcInChars[cnt] != Numeric_space) && (New_Script != -1) && (New_Script != pItems[index].a.eScript)) || (New_Script == Script_Control))
1566 {
1567 TRACE("Script break(%i/%i)\n",pItems[index].a.eScript,New_Script);
1568 new_run = TRUE;
1569 }
1570
1571 if (!new_run && strength && str == BIDI_STRONG)
1572 {
1573 layoutRTL = odd(levels[cnt])?1:0;
1574 pItems[index].a.fLayoutRTL = layoutRTL;
1575 }
1576
1577 if (new_run)
1578 {
1579 TRACE("New_Level = %i, New_Strength = %i, New_Script=%d, eScript=%d\n", levels?levels[cnt]:-1, strength?strength[cnt]:str, New_Script, pItems[index].a.eScript);
1580
1581 index++;
1582 if (index+1 > cMaxItems)
1583 return E_OUTOFMEMORY;
1584
1585 if (strength)
1586 str = strength[cnt];
1587
1588 pItems[index].iCharPos = cnt;
1589 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1590
1591 pItems[index].a = scriptInformation[New_Script].a;
1592 if (pScriptTags)
1593 pScriptTags[index] = scriptInformation[New_Script].scriptTag;
1594 if (levels)
1595 {
1596 if (levels[cnt] == 0)
1597 layoutRTL = 0;
1598 else
1599 layoutRTL = (layoutRTL || odd(levels[cnt]))?1:0;
1600 pItems[index].a.fRTL = odd(levels[cnt]);
1601 pItems[index].a.fLayoutRTL = layoutRTL;
1602 pItems[index].a.s.uBidiLevel = levels[cnt];
1603 }
1604 else if (!pItems[index].a.s.uBidiLevel)
1605 {
1606 pItems[index].a.s.uBidiLevel = baselevel;
1607 pItems[index].a.fLayoutRTL = layoutRTL;
1608 pItems[index].a.fRTL = odd(baselevel);
1609 }
1610
1611 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1612 }
1613 }
1614
1615 /* While not strictly necessary according to the spec, make sure the n+1
1616 * item is set up to prevent random behaviour if the caller erroneously
1617 * checks the n+1 structure */
1618 index++;
1619 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1620
1621 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1622
1623 /* Set one SCRIPT_STATE item being returned */
1624 if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
1625 if (pcItems) *pcItems = index;
1626
1627 /* Set SCRIPT_ITEM */
1628 pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
1629 heap_free(levels);
1630 heap_free(strength);
1631 heap_free(scripts);
1632 return S_OK;
1633 }
1634
1635 /***********************************************************************
1636 * ScriptItemizeOpenType (USP10.@)
1637 *
1638 * Split a Unicode string into shapeable parts.
1639 *
1640 * PARAMS
1641 * pwcInChars [I] String to split.
1642 * cInChars [I] Number of characters in pwcInChars.
1643 * cMaxItems [I] Maximum number of items to return.
1644 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1645 * psState [I] Pointer to a SCRIPT_STATE structure.
1646 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1647 * pScriptTags [O] Buffer to receive OPENTYPE_TAGs.
1648 * pcItems [O] Number of script items returned.
1649 *
1650 * RETURNS
1651 * Success: S_OK
1652 * Failure: Non-zero HRESULT value.
1653 */
1654 HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1655 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1656 SCRIPT_ITEM *pItems, OPENTYPE_TAG *pScriptTags, int *pcItems)
1657 {
1658 return _ItemizeInternal(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, pScriptTags, pcItems);
1659 }
1660
1661 /***********************************************************************
1662 * ScriptItemize (USP10.@)
1663 *
1664 * Split a Unicode string into shapeable parts.
1665 *
1666 * PARAMS
1667 * pwcInChars [I] String to split.
1668 * cInChars [I] Number of characters in pwcInChars.
1669 * cMaxItems [I] Maximum number of items to return.
1670 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1671 * psState [I] Pointer to a SCRIPT_STATE structure.
1672 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1673 * pcItems [O] Number of script items returned.
1674 *
1675 * RETURNS
1676 * Success: S_OK
1677 * Failure: Non-zero HRESULT value.
1678 */
1679 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1680 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1681 SCRIPT_ITEM *pItems, int *pcItems)
1682 {
1683 return _ItemizeInternal(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, NULL, pcItems);
1684 }
1685
1686 static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x)
1687 {
1688 int defWidth;
1689 int cTabStops=0;
1690 INT *lpTabPos = NULL;
1691 INT nTabOrg = 0;
1692 INT x = 0;
1693
1694 if (pTabdef)
1695 lpTabPos = pTabdef->pTabStops;
1696
1697 if (pTabdef && pTabdef->iTabOrigin)
1698 {
1699 if (pTabdef->iScale)
1700 nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4;
1701 else
1702 nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth;
1703 }
1704
1705 if (pTabdef)
1706 cTabStops = pTabdef->cTabStops;
1707
1708 if (cTabStops == 1)
1709 {
1710 if (pTabdef->iScale)
1711 defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4;
1712 else
1713 defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth;
1714 cTabStops = 0;
1715 }
1716 else
1717 defWidth = 8 * psc->tm.tmAveCharWidth;
1718
1719 for (; cTabStops>0 ; lpTabPos++, cTabStops--)
1720 {
1721 int position = *lpTabPos;
1722 if (position < 0)
1723 position = -1 * position;
1724 if (pTabdef->iScale)
1725 position = (position * pTabdef->iScale) / 4;
1726 else
1727 position = position * psc->tm.tmAveCharWidth;
1728
1729 if( nTabOrg + position > current_x)
1730 {
1731 if( *lpTabPos >= 0)
1732 {
1733 /* a left aligned tab */
1734 x = (nTabOrg + *lpTabPos) - current_x;
1735 break;
1736 }
1737 else
1738 {
1739 FIXME("Negative tabstop\n");
1740 break;
1741 }
1742 }
1743 }
1744 if ((!cTabStops) && (defWidth > 0))
1745 x =((((current_x - nTabOrg) / defWidth)+1) * defWidth) - current_x;
1746 else if ((!cTabStops) && (defWidth < 0))
1747 FIXME("TODO: Negative defWidth\n");
1748
1749 return x;
1750 }
1751
1752 /***********************************************************************
1753 * Helper function for ScriptStringAnalyse
1754 */
1755 static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
1756 const WCHAR *pwcInChars, int cChars )
1757 {
1758 /* FIXME: When to properly fallback is still a bit of a mystery */
1759 WORD *glyphs;
1760
1761 if (psa->fNoGlyphIndex)
1762 return FALSE;
1763
1764 if (init_script_cache(hdc, psc) != S_OK)
1765 return FALSE;
1766
1767 if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK)
1768 return TRUE;
1769
1770 glyphs = heap_alloc(sizeof(WORD) * cChars);
1771 if (!glyphs)
1772 return FALSE;
1773 if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK)
1774 {
1775 heap_free(glyphs);
1776 return TRUE;
1777 }
1778 heap_free(glyphs);
1779
1780 return FALSE;
1781 }
1782
1783 static void find_fallback_font(DWORD scriptid, LPWSTR FaceName)
1784 {
1785 HKEY hkey;
1786
1787 if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey))
1788 {
1789 static const WCHAR szFmt[] = {'%','x',0};
1790 WCHAR value[10];
1791 DWORD count = LF_FACESIZE * sizeof(WCHAR);
1792 DWORD type;
1793
1794 sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag);
1795 if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count))
1796 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1797 RegCloseKey(hkey);
1798 }
1799 else
1800 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1801 }
1802
1803 /***********************************************************************
1804 * ScriptStringAnalyse (USP10.@)
1805 *
1806 */
1807 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
1808 int cGlyphs, int iCharset, DWORD dwFlags,
1809 int iReqWidth, SCRIPT_CONTROL *psControl,
1810 SCRIPT_STATE *psState, const int *piDx,
1811 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
1812 SCRIPT_STRING_ANALYSIS *pssa)
1813 {
1814 HRESULT hr = E_OUTOFMEMORY;
1815 StringAnalysis *analysis = NULL;
1816 SCRIPT_CONTROL sControl;
1817 SCRIPT_STATE sState;
1818 int i, num_items = 255;
1819 BYTE *BidiLevel;
1820 WCHAR *iString = NULL;
1821
1822 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
1823 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
1824 psControl, psState, piDx, pTabdef, pbInClass, pssa);
1825
1826 if (iCharset != -1)
1827 {
1828 FIXME("Only Unicode strings are supported\n");
1829 return E_INVALIDARG;
1830 }
1831 if (cString < 1 || !pString) return E_INVALIDARG;
1832 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
1833
1834 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
1835 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
1836
1837 /* FIXME: handle clipping */
1838 analysis->clip_len = cString;
1839 analysis->hdc = hdc;
1840 analysis->dwFlags = dwFlags;
1841
1842 if (psState)
1843 sState = *psState;
1844 else
1845 memset(&sState, 0, sizeof(SCRIPT_STATE));
1846
1847 if (psControl)
1848 sControl = *psControl;
1849 else
1850 memset(&sControl, 0, sizeof(SCRIPT_CONTROL));
1851
1852 if (dwFlags & SSA_PASSWORD)
1853 {
1854 iString = heap_alloc(sizeof(WCHAR)*cString);
1855 if (!iString)
1856 {
1857 hr = E_OUTOFMEMORY;
1858 goto error;
1859 }
1860 for (i = 0; i < cString; i++)
1861 iString[i] = *((const WCHAR *)pString);
1862 pString = iString;
1863 }
1864
1865 hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem,
1866 &analysis->numItems);
1867
1868 if (FAILED(hr))
1869 {
1870 if (hr == E_OUTOFMEMORY)
1871 hr = E_INVALIDARG;
1872 goto error;
1873 }
1874
1875 /* set back to out of memory for default goto error behaviour */
1876 hr = E_OUTOFMEMORY;
1877
1878 if (dwFlags & SSA_BREAK)
1879 {
1880 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
1881 {
1882 for (i = 0; i < analysis->numItems; i++)
1883 ScriptBreak(&((LPWSTR)pString)[analysis->pItem[i].iCharPos], analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos, &analysis->pItem[i].a, &analysis->logattrs[analysis->pItem[i].iCharPos]);
1884 }
1885 else
1886 goto error;
1887 }
1888
1889 if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
1890 goto error;
1891 if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
1892 goto error;
1893
1894 if (dwFlags & SSA_GLYPHS)
1895 {
1896 int tab_x = 0;
1897 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
1898 {
1899 heap_free(BidiLevel);
1900 goto error;
1901 }
1902
1903 for (i = 0; i < analysis->numItems; i++)
1904 {
1905 SCRIPT_CACHE *sc = (SCRIPT_CACHE*)&analysis->glyphs[i].sc;
1906 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1907 int numGlyphs = 1.5 * cChar + 16;
1908 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
1909 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
1910 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
1911 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * numGlyphs);
1912 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
1913 ABC *abc = heap_alloc_zero(sizeof(ABC));
1914 int numGlyphsReturned;
1915 HFONT originalFont = 0x0;
1916
1917 /* FIXME: non unicode strings */
1918 const WCHAR* pStr = (const WCHAR*)pString;
1919 analysis->glyphs[i].fallbackFont = NULL;
1920
1921 if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc)
1922 {
1923 heap_free (BidiLevel);
1924 heap_free (glyphs);
1925 heap_free (pwLogClust);
1926 heap_free (piAdvance);
1927 heap_free (psva);
1928 heap_free (pGoffset);
1929 heap_free (abc);
1930 hr = E_OUTOFMEMORY;
1931 goto error;
1932 }
1933
1934 if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar))
1935 {
1936 LOGFONTW lf;
1937 GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), & lf);
1938 lf.lfCharSet = scriptInformation[analysis->pItem[i].a.eScript].props.bCharSet;
1939 lf.lfFaceName[0] = 0;
1940 find_fallback_font(analysis->pItem[i].a.eScript, lf.lfFaceName);
1941 if (lf.lfFaceName[0])
1942 {
1943 analysis->glyphs[i].fallbackFont = CreateFontIndirectW(&lf);
1944 if (analysis->glyphs[i].fallbackFont)
1945 {
1946 ScriptFreeCache(sc);
1947 originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont);
1948 }
1949 }
1950 }
1951
1952 /* FIXME: When we properly shape Hangul remove this check */
1953 if ((dwFlags & SSA_LINK) && !analysis->glyphs[i].fallbackFont && analysis->pItem[i].a.eScript == Script_Hangul)
1954 analysis->pItem[i].a.fNoGlyphIndex = TRUE;
1955
1956 if ((dwFlags & SSA_LINK) && !analysis->glyphs[i].fallbackFont && !scriptInformation[analysis->pItem[i].a.eScript].props.fComplex && !analysis->pItem[i].a.fRTL)
1957 analysis->pItem[i].a.fNoGlyphIndex = TRUE;
1958
1959 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
1960 cChar, numGlyphs, &analysis->pItem[i].a,
1961 glyphs, pwLogClust, psva, &numGlyphsReturned);
1962 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
1963 piAdvance, pGoffset, abc);
1964 if (originalFont)
1965 SelectObject(hdc,originalFont);
1966
1967 if (dwFlags & SSA_TAB)
1968 {
1969 int tabi = 0;
1970 for (tabi = 0; tabi < cChar; tabi++)
1971 {
1972 if (pStr[analysis->pItem[i].iCharPos+tabi] == 0x0009)
1973 piAdvance[tabi] = getGivenTabWidth(analysis->glyphs[i].sc, pTabdef, analysis->pItem[i].iCharPos+tabi, tab_x);
1974 tab_x+=piAdvance[tabi];
1975 }
1976 }
1977
1978 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
1979 analysis->glyphs[i].glyphs = glyphs;
1980 analysis->glyphs[i].pwLogClust = pwLogClust;
1981 analysis->glyphs[i].piAdvance = piAdvance;
1982 analysis->glyphs[i].psva = psva;
1983 analysis->glyphs[i].pGoffset = pGoffset;
1984 analysis->glyphs[i].abc = abc;
1985 analysis->glyphs[i].iMaxPosX= -1;
1986
1987 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1988 }
1989 }
1990 else
1991 {
1992 for (i = 0; i < analysis->numItems; i++)
1993 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1994 }
1995
1996 ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
1997 heap_free(BidiLevel);
1998
1999 *pssa = analysis;
2000 heap_free(iString);
2001 return S_OK;
2002
2003 error:
2004 heap_free(iString);
2005 heap_free(analysis->glyphs);
2006 heap_free(analysis->logattrs);
2007 heap_free(analysis->pItem);
2008 heap_free(analysis->logical2visual);
2009 heap_free(analysis);
2010 return hr;
2011 }
2012
2013 static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction)
2014 {
2015 if (pva[glyph].fClusterStart)
2016 return TRUE;
2017 if (USP10_FindGlyphInLogClust(pwLogClust, cChars, glyph) >= 0)
2018 return TRUE;
2019
2020 return FALSE;
2021 }
2022
2023
2024 static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa,
2025 int iX,
2026 int iY,
2027 int iItem,
2028 int cStart,
2029 int cEnd,
2030 UINT uOptions,
2031 const RECT *prc,
2032 BOOL fSelected,
2033 BOOL fDisabled)
2034 {
2035 StringAnalysis *analysis;
2036 int off_x = 0;
2037 HRESULT hr;
2038 COLORREF BkColor = 0x0;
2039 COLORREF TextColor = 0x0;
2040 INT BkMode = 0;
2041 INT runStart, runEnd;
2042 INT iGlyph, cGlyphs;
2043 HFONT oldFont = 0x0;
2044 RECT crc;
2045 int i;
2046
2047 TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n",
2048 ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled);
2049
2050 if (!(analysis = ssa)) return E_INVALIDARG;
2051
2052 if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) ||
2053 (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd))
2054 return S_OK;
2055
2056 CopyRect(&crc,prc);
2057 if (fSelected)
2058 {
2059 BkMode = GetBkMode(analysis->hdc);
2060 SetBkMode( analysis->hdc, OPAQUE);
2061 BkColor = GetBkColor(analysis->hdc);
2062 SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT));
2063 if (!fDisabled)
2064 {
2065 TextColor = GetTextColor(analysis->hdc);
2066 SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
2067 }
2068 }
2069 if (analysis->glyphs[iItem].fallbackFont)
2070 oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont);
2071
2072 if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart)
2073 runStart = cStart - analysis->pItem[iItem].iCharPos;
2074 else
2075 runStart = 0;
2076 if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd)
2077 runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos;
2078 else
2079 runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1;
2080
2081 if (analysis->pItem[iItem].a.fRTL)
2082 {
2083 if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos)
2084 ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x);
2085 else
2086 ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x);
2087 crc.left = iX + off_x;
2088 }
2089 else
2090 {
2091 if (cStart >=0 && runStart)
2092 ScriptStringCPtoX(ssa, cStart, FALSE, &off_x);
2093 else
2094 ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x);
2095 crc.left = iX + off_x;
2096 }
2097
2098 if (analysis->pItem[iItem].a.fRTL)
2099 iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd];
2100 else
2101 iGlyph = analysis->glyphs[iItem].pwLogClust[runStart];
2102
2103 if (analysis->pItem[iItem].a.fRTL)
2104 cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph;
2105 else
2106 cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph;
2107
2108 cGlyphs++;
2109
2110 /* adjust for cluster glyphs when starting */
2111 if (analysis->pItem[iItem].a.fRTL)
2112 i = analysis->pItem[iItem+1].iCharPos - 1;
2113 else
2114 i = analysis->pItem[iItem].iCharPos;
2115
2116 for (; i >=analysis->pItem[iItem].iCharPos && i < analysis->pItem[iItem+1].iCharPos; (analysis->pItem[iItem].a.fRTL)?i--:i++)
2117 {
2118 if (analysis->glyphs[iItem].pwLogClust[i - analysis->pItem[iItem].iCharPos] == iGlyph)
2119 {
2120 if (analysis->pItem[iItem].a.fRTL)
2121 ScriptStringCPtoX(ssa, i, TRUE, &off_x);
2122 else
2123 ScriptStringCPtoX(ssa, i, FALSE, &off_x);
2124 break;
2125 }
2126 }
2127
2128 if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo)
2129 {
2130 INT direction;
2131 INT clust_glyph;
2132
2133 clust_glyph = iGlyph + cGlyphs;
2134 if (analysis->pItem[iItem].a.fRTL)
2135 direction = -1;
2136 else
2137 direction = 1;
2138
2139 while(clust_glyph < analysis->glyphs[iItem].numGlyphs &&
2140 !does_glyph_start_cluster(analysis->glyphs[iItem].psva, analysis->glyphs[iItem].pwLogClust, (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos), clust_glyph, direction))
2141 {
2142 cGlyphs++;
2143 clust_glyph++;
2144 }
2145 }
2146
2147 hr = ScriptTextOut(analysis->hdc,
2148 (SCRIPT_CACHE *)&analysis->glyphs[iItem].sc, iX + off_x,
2149 iY, uOptions, &crc, &analysis->pItem[iItem].a, NULL, 0,
2150 &analysis->glyphs[iItem].glyphs[iGlyph], cGlyphs,
2151 &analysis->glyphs[iItem].piAdvance[iGlyph], NULL,
2152 &analysis->glyphs[iItem].pGoffset[iGlyph]);
2153
2154 TRACE("ScriptTextOut hr=%08x\n", hr);
2155
2156 if (fSelected)
2157 {
2158 SetBkColor(analysis->hdc, BkColor);
2159 SetBkMode( analysis->hdc, BkMode);
2160 if (!fDisabled)
2161 SetTextColor(analysis->hdc, TextColor);
2162 }
2163 if (analysis->glyphs[iItem].fallbackFont)
2164 SelectObject(analysis->hdc, oldFont);
2165
2166 return hr;
2167 }
2168
2169 /***********************************************************************
2170 * ScriptStringOut (USP10.@)
2171 *
2172 * This function takes the output of ScriptStringAnalyse and joins the segments
2173 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
2174 * only processes glyphs.
2175 *
2176 * Parameters:
2177 * ssa [I] buffer to hold the analysed string components
2178 * iX [I] X axis displacement for output
2179 * iY [I] Y axis displacement for output
2180 * uOptions [I] flags controlling output processing
2181 * prc [I] rectangle coordinates
2182 * iMinSel [I] starting pos for substringing output string
2183 * iMaxSel [I] ending pos for substringing output string
2184 * fDisabled [I] controls text highlighting
2185 *
2186 * RETURNS
2187 * Success: S_OK
2188 * Failure: is the value returned by ScriptTextOut
2189 */
2190 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
2191 int iX,
2192 int iY,
2193 UINT uOptions,
2194 const RECT *prc,
2195 int iMinSel,
2196 int iMaxSel,
2197 BOOL fDisabled)
2198 {
2199 StringAnalysis *analysis;
2200 int item;
2201 HRESULT hr;
2202
2203 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
2204 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
2205
2206 if (!(analysis = ssa)) return E_INVALIDARG;
2207 if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG;
2208
2209 for (item = 0; item < analysis->numItems; item++)
2210 {
2211 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled);
2212 if (FAILED(hr))
2213 return hr;
2214 }
2215
2216 if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0))
2217 {
2218 if (iMaxSel > 0 && iMinSel < 0)
2219 iMinSel = 0;
2220 for (item = 0; item < analysis->numItems; item++)
2221 {
2222 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled);
2223 if (FAILED(hr))
2224 return hr;
2225 }
2226 }
2227
2228 return S_OK;
2229 }
2230
2231 /***********************************************************************
2232 * ScriptStringCPtoX (USP10.@)
2233 *
2234 */
2235 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
2236 {
2237 int item;
2238 int runningX = 0;
2239 StringAnalysis* analysis = ssa;
2240
2241 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
2242
2243 if (!ssa || !pX) return S_FALSE;
2244 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2245
2246 /* icp out of range */
2247 if(icp < 0)
2248 {
2249 analysis->invalid = TRUE;
2250 return E_INVALIDARG;
2251 }
2252
2253 for(item=0; item<analysis->numItems; item++)
2254 {
2255 int CP, i;
2256 int offset;
2257
2258 i = analysis->logical2visual[item];
2259 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2260 /* initialize max extents for uninitialized runs */
2261 if (analysis->glyphs[i].iMaxPosX == -1)
2262 {
2263 if (analysis->pItem[i].a.fRTL)
2264 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2265 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2266 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2267 else
2268 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2269 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2270 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2271 }
2272
2273 if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
2274 {
2275 runningX += analysis->glyphs[i].iMaxPosX;
2276 continue;
2277 }
2278
2279 icp -= analysis->pItem[i].iCharPos;
2280 ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2281 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2282 &analysis->pItem[i].a, &offset);
2283 runningX += offset;
2284
2285 *pX = runningX;
2286 return S_OK;
2287 }
2288
2289 /* icp out of range */
2290 analysis->invalid = TRUE;
2291 return E_INVALIDARG;
2292 }
2293
2294 /***********************************************************************
2295 * ScriptStringXtoCP (USP10.@)
2296 *
2297 */
2298 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
2299 {
2300 StringAnalysis* analysis = ssa;
2301 int item;
2302
2303 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
2304
2305 if (!ssa || !piCh || !piTrailing) return S_FALSE;
2306 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2307
2308 /* out of range */
2309 if(iX < 0)
2310 {
2311 if (analysis->pItem[0].a.fRTL)
2312 {
2313 *piCh = 1;
2314 *piTrailing = FALSE;
2315 }
2316 else
2317 {
2318 *piCh = -1;
2319 *piTrailing = TRUE;
2320 }
2321 return S_OK;
2322 }
2323
2324 for(item=0; item<analysis->numItems; item++)
2325 {
2326 int i;
2327 int CP;
2328
2329 for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
2330 /* nothing */;
2331
2332 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2333 /* initialize max extents for uninitialized runs */
2334 if (analysis->glyphs[i].iMaxPosX == -1)
2335 {
2336 if (analysis->pItem[i].a.fRTL)
2337 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2338 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2339 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2340 else
2341 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2342 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2343 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2344 }
2345
2346 if (iX > analysis->glyphs[i].iMaxPosX)
2347 {
2348 iX -= analysis->glyphs[i].iMaxPosX;
2349 continue;