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usp10: Code for the cmap format 12 table for unicode code points beyond the BMP.
[wine/multimedia.git] / dlls / usp10 / usp10.c
bloba0e143e97c8bcf8f326b05653d9bf7c256db3bf7
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
29 #include "windef.h"
30 #include "winbase.h"
31 #include "wingdi.h"
32 #include "winuser.h"
33 #include "winnls.h"
34 #include "winreg.h"
35 #include "usp10.h"
36
37 #include "usp10_internal.h"
38
39 #include "wine/debug.h"
40 #include "wine/unicode.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
43
44 typedef struct _scriptRange
45 {
46 WORD script;
47 WORD rangeFirst;
48 WORD rangeLast;
49 WORD numericScript;
50 WORD punctScript;
51 } scriptRange;
52
53 static const scriptRange scriptRanges[] = {
54 /* Basic Latin: U+0000–U+007A */
55 { Script_Latin, 0x00, 0x07a , Script_Numeric, Script_Punctuation},
56 /* Latin-1 Supplement: U+0080–U+00FF */
57 /* Latin Extended-A: U+0100–U+017F */
58 /* Latin Extended-B: U+0180–U+024F */
59 /* IPA Extensions: U+0250–U+02AF */
60 /* Spacing Modifier Letters:U+02B0–U+02FF */
61 { Script_Latin, 0x80, 0x2ff , Script_Numeric2, Script_Punctuation},
62 /* Combining Diacritical Marks : U+0300–U+036F */
63 { Script_Diacritical,0x300, 0x36f, 0, 0},
64 /* Greek: U+0370–U+03FF */
65 { Script_Greek, 0x370, 0x3ff, 0, 0},
66 /* Cyrillic: U+0400–U+04FF */
67 /* Cyrillic Supplement: U+0500–U+052F */
68 { Script_Cyrillic, 0x400, 0x52f, 0, 0},
69 /* Armenian: U+0530–U+058F */
70 { Script_Armenian, 0x530, 0x58f, 0, 0},
71 /* Hebrew: U+0590–U+05FF */
72 { Script_Hebrew, 0x590, 0x5ff, 0, 0},
73 /* Arabic: U+0600–U+06FF */
74 { Script_Arabic, 0x600, 0x6ef, Script_Arabic_Numeric, 0},
75 /* Defined by Windows */
76 { Script_Persian, 0x6f0, 0x6f9, 0, 0},
77 /* Continue Arabic: U+0600–U+06FF */
78 { Script_Arabic, 0x6fa, 0x6ff, 0, 0},
79 /* Syriac: U+0700–U+074F*/
80 { Script_Syriac, 0x700, 0x74f, 0, 0},
81 /* Arabic Supplement: U+0750–U+077F */
82 { Script_Arabic, 0x750, 0x77f, 0, 0},
83 /* Thaana: U+0780–U+07BF */
84 { Script_Thaana, 0x780, 0x7bf, 0, 0},
85 /* N’Ko: U+07C0–U+07FF */
86 { Script_NKo, 0x7c0, 0x7ff, 0, 0},
87 /* Devanagari: U+0900–U+097F */
88 { Script_Devanagari, 0x900, 0x97f, Script_Devanagari_Numeric, 0},
89 /* Bengali: U+0980–U+09FF */
90 { Script_Bengali, 0x980, 0x9ff, Script_Bengali_Numeric, 0},
91 /* Gurmukhi: U+0A00–U+0A7F*/
92 { Script_Gurmukhi, 0xa00, 0xa7f, Script_Gurmukhi_Numeric, 0},
93 /* Gujarati: U+0A80–U+0AFF*/
94 { Script_Gujarati, 0xa80, 0xaff, Script_Gujarati_Numeric, 0},
95 /* Oriya: U+0B00–U+0B7F */
96 { Script_Oriya, 0xb00, 0xb7f, Script_Oriya_Numeric, 0},
97 /* Tamil: U+0B80–U+0BFF */
98 { Script_Tamil, 0xb80, 0xbff, Script_Tamil_Numeric, 0},
99 /* Telugu: U+0C00–U+0C7F */
100 { Script_Telugu, 0xc00, 0xc7f, Script_Telugu_Numeric, 0},
101 /* Kannada: U+0C80–U+0CFF */
102 { Script_Kannada, 0xc80, 0xcff, Script_Kannada_Numeric, 0},
103 /* Malayalam: U+0D00–U+0D7F */
104 { Script_Malayalam, 0xd00, 0xd7f, Script_Malayalam_Numeric, 0},
105 /* Sinhala: U+0D80–U+0DFF */
106 { Script_Sinhala, 0xd80, 0xdff, 0, 0},
107 /* Thai: U+0E00–U+0E7F */
108 { Script_Thai, 0xe00, 0xe7f, Script_Thai_Numeric, 0},
109 /* Lao: U+0E80–U+0EFF */
110 { Script_Lao, 0xe80, 0xeff, Script_Lao_Numeric, 0},
111 /* Tibetan: U+0F00–U+0FFF */
112 { Script_Tibetan, 0xf00, 0xfff, 0, 0},
113 /* Myanmar: U+1000–U+109F */
114 { Script_Myanmar, 0x1000, 0x109f, Script_Myanmar_Numeric, 0},
115 /* Georgian: U+10A0–U+10FF */
116 { Script_Georgian, 0x10a0, 0x10ff, 0, 0},
117 /* Hangul Jamo: U+1100–U+11FF */
118 { Script_Hangul, 0x1100, 0x11ff, 0, 0},
119 /* Ethiopic: U+1200–U+137F */
120 /* Ethiopic Extensions: U+1380–U+139F */
121 { Script_Ethiopic, 0x1200, 0x139f, 0, 0},
122 /* Cherokee: U+13A0–U+13FF */
123 { Script_Cherokee, 0x13a0, 0x13ff, 0, 0},
124 /* Canadian Aboriginal Syllabics: U+1400–U+167F */
125 { Script_Canadian, 0x1400, 0x167f, 0, 0},
126 /* Ogham: U+1680–U+169F */
127 { Script_Ogham, 0x1680, 0x169f, 0, 0},
128 /* Runic: U+16A0–U+16F0 */
129 { Script_Runic, 0x16a0, 0x16f0, 0, 0},
130 /* Khmer: U+1780–U+17FF */
131 { Script_Khmer, 0x1780, 0x17ff, Script_Khmer_Numeric, 0},
132 /* Mongolian: U+1800–U+18AF */
133 { Script_Mongolian, 0x1800, 0x18af, Script_Mongolian_Numeric, 0},
134 /* Canadian Aboriginal Syllabics Extended: U+18B0–U+18FF */
135 { Script_Canadian, 0x18b0, 0x18ff, 0, 0},
136 /* Tai Le: U+1950–U+197F */
137 { Script_Tai_Le, 0x1950, 0x197f, 0, 0},
138 /* New Tai Lue: U+1980–U+19DF */
139 { Script_New_Tai_Lue,0x1980, 0x19df, Script_New_Tai_Lue_Numeric, 0},
140 /* Khmer Symbols: U+19E0–U+19FF */
141 { Script_Khmer, 0x19e0, 0x19ff, Script_Khmer_Numeric, 0},
142 /* Vedic Extensions: U+1CD0-U+1CFF */
143 { Script_Devanagari, 0x1cd0, 0x1cff, Script_Devanagari_Numeric, 0},
144 /* Phonetic Extensions: U+1D00–U+1DBF */
145 { Script_Latin, 0x1d00, 0x1dbf, 0, 0},
146 /* Combining Diacritical Marks Supplement: U+1DC0–U+1DFF */
147 { Script_Diacritical,0x1dc0, 0x1dff, 0, 0},
148 /* Latin Extended Additional: U+1E00–U+1EFF */
149 { Script_Latin, 0x1e00, 0x1eff, 0, 0},
150 /* Greek Extended: U+1F00–U+1FFF */
151 { Script_Greek, 0x1f00, 0x1fff, 0, 0},
152 /* General Punctuation: U+2000 –U+206f */
153 { Script_Latin, 0x2000, 0x206f, 0, 0},
154 /* Superscripts and Subscripts : U+2070 –U+209f */
155 /* Currency Symbols : U+20a0 –U+20cf */
156 { Script_Numeric2, 0x2070, 0x2070, 0, 0},
157 { Script_Latin, 0x2071, 0x2073, 0, 0},
158 { Script_Numeric2, 0x2074, 0x2079, 0, 0},
159 { Script_Latin, 0x207a, 0x207f, 0, 0},
160 { Script_Numeric2, 0x2080, 0x2089, 0, 0},
161 { Script_Latin, 0x208a, 0x20cf, 0, 0},
162 /* Letterlike Symbols : U+2100 –U+214f */
163 /* Number Forms : U+2150 –U+218f */
164 /* Arrows : U+2190 –U+21ff */
165 /* Mathematical Operators : U+2200 –U+22ff */
166 /* Miscellaneous Technical : U+2300 –U+23ff */
167 /* Control Pictures : U+2400 –U+243f */
168 /* Optical Character Recognition : U+2440 –U+245f */
169 /* Enclosed Alphanumerics : U+2460 –U+24ff */
170 /* Box Drawing : U+2500 –U+25ff */
171 /* Block Elements : U+2580 –U+259f */
172 /* Geometric Shapes : U+25a0 –U+25ff */
173 /* Miscellaneous Symbols : U+2600 –U+26ff */
174 /* Dingbats : U+2700 –U+27bf */
175 /* Miscellaneous Mathematical Symbols-A : U+27c0 –U+27ef */
176 /* Supplemental Arrows-A : U+27f0 –U+27ff */
177 { Script_Latin, 0x2100, 0x27ff, 0, 0},
178 /* Braille Patterns: U+2800–U+28FF */
179 { Script_Braille, 0x2800, 0x28ff, 0, 0},
180 /* Supplemental Arrows-B : U+2900 –U+297f */
181 /* Miscellaneous Mathematical Symbols-B : U+2980 –U+29ff */
182 /* Supplemental Mathematical Operators : U+2a00 –U+2aff */
183 /* Miscellaneous Symbols and Arrows : U+2b00 –U+2bff */
184 { Script_Latin, 0x2900, 0x2bff, 0, 0},
185 /* Latin Extended-C: U+2C60–U+2C7F */
186 { Script_Latin, 0x2c60, 0x2c7f, 0, 0},
187 /* Georgian: U+2D00–U+2D2F */
188 { Script_Georgian, 0x2d00, 0x2d2f, 0, 0},
189 /* Tifinagh: U+2D30–U+2D7F */
190 { Script_Tifinagh, 0x2d30, 0x2d7f, 0, 0},
191 /* Ethiopic Extensions: U+2D80–U+2DDF */
192 { Script_Ethiopic, 0x2d80, 0x2ddf, 0, 0},
193 /* Cyrillic Extended-A: U+2DE0–U+2DFF */
194 { Script_Cyrillic, 0x2de0, 0x2dff, 0, 0},
195 /* CJK Radicals Supplement: U+2E80–U+2EFF */
196 /* Kangxi Radicals: U+2F00–U+2FDF */
197 { Script_CJK_Han, 0x2e80, 0x2fdf, 0, 0},
198 /* Ideographic Description Characters: U+2FF0–U+2FFF */
199 { Script_Ideograph ,0x2ff0, 0x2fff, 0, 0},
200 /* CJK Symbols and Punctuation: U+3000–U+303F */
201 { Script_Ideograph ,0x3000, 0x3004, 0, 0},
202 { Script_CJK_Han ,0x3005, 0x3005, 0, 0},
203 { Script_Ideograph ,0x3006, 0x3006, 0, 0},
204 { Script_CJK_Han ,0x3007, 0x3007, 0, 0},
205 { Script_Ideograph ,0x3008, 0x3020, 0, 0},
206 { Script_CJK_Han ,0x3021, 0x3029, 0, 0},
207 { Script_Ideograph ,0x302a, 0x3030, 0, 0},
208 /* Kana Marks: */
209 { Script_Kana ,0x3031, 0x3035, 0, 0},
210 { Script_Ideograph ,0x3036, 0x3037, 0, 0},
211 { Script_CJK_Han ,0x3038, 0x303b, 0, 0},
212 { Script_Ideograph ,0x303c, 0x303f, 0, 0},
213 /* Hiragana: U+3040–U+309F */
214 /* Katakana: U+30A0–U+30FF */
215 { Script_Kana ,0x3040, 0x30ff, 0, 0},
216 /* Bopomofo: U+3100–U+312F */
217 { Script_Bopomofo ,0x3100, 0x312f, 0, 0},
218 /* Hangul Compatibility Jamo: U+3130–U+318F */
219 { Script_Hangul ,0x3130, 0x318f, 0, 0},
220 /* Kanbun: U+3190–U+319F */
221 { Script_Ideograph ,0x3190, 0x319f, 0, 0},
222 /* Bopomofo Extended: U+31A0–U+31BF */
223 { Script_Bopomofo ,0x31a0, 0x31bf, 0, 0},
224 /* CJK Strokes: U+31C0–U+31EF */
225 { Script_Ideograph ,0x31c0, 0x31ef, 0, 0},
226 /* Katakana Phonetic Extensions: U+31F0–U+31FF */
227 { Script_Kana ,0x31f0, 0x31ff, 0, 0},
228 /* Enclosed CJK Letters and Months: U+3200–U+32FF */
229 { Script_Hangul ,0x3200, 0x321f, 0, 0},
230 { Script_Ideograph ,0x3220, 0x325f, 0, 0},
231 { Script_Hangul ,0x3260, 0x327f, 0, 0},
232 { Script_Ideograph ,0x3280, 0x32ef, 0, 0},
233 { Script_Kana ,0x32d0, 0x31ff, 0, 0},
234 /* CJK Compatibility: U+3300–U+33FF*/
235 { Script_Kana ,0x3300, 0x3357, 0, 0},
236 { Script_Ideograph ,0x3358, 0x33ff, 0, 0},
237 /* CJK Unified Ideographs Extension A: U+3400–U+4DBF */
238 { Script_CJK_Han ,0x3400, 0x4dbf, 0, 0},
239 /* CJK Unified Ideographs: U+4E00–U+9FFF */
240 { Script_CJK_Han ,0x4e00, 0x9fff, 0, 0},
241 /* Yi: U+A000–U+A4CF */
242 { Script_Yi ,0xa000, 0xa4cf, 0, 0},
243 /* Vai: U+A500–U+A63F */
244 { Script_Vai ,0xa500, 0xa63f, Script_Vai_Numeric, 0},
245 /* Cyrillic Extended-B: U+A640–U+A69F */
246 { Script_Cyrillic, 0xa640, 0xa69f, 0, 0},
247 /* Modifier Tone Letters: U+A700–U+A71F */
248 /* Latin Extended-D: U+A720–U+A7FF */
249 { Script_Latin, 0xa700, 0xa7ff, 0, 0},
250 /* Phags-pa: U+A840–U+A87F */
251 { Script_Phags_pa, 0xa840, 0xa87f, 0, 0},
252 /* Devanagari Extended: U+A8E0-U+A8FF */
253 { Script_Devanagari, 0xa8e0, 0xa8ff, Script_Devanagari_Numeric, 0},
254 /* Myanmar Extended-A: U+AA60–U+AA7F */
255 { Script_Myanmar, 0xaa60, 0xaa7f, Script_Myanmar_Numeric, 0},
256 /* Hangul Jamo Extended-A: U+A960–U+A97F */
257 { Script_Hangul, 0xa960, 0xa97f, 0, 0},
258 /* Hangul Syllables: U+AC00–U+D7A3 */
259 { Script_Hangul, 0xac00, 0xd7a3, 0, 0},
260 /* Hangul Jamo Extended-B: U+D7B0–U+D7FF */
261 { Script_Hangul, 0xd7b0, 0xd7ff, 0, 0},
262 /* Surrogates Area: U+D800–U+DFFF */
263 { Script_Surrogates, 0xd800, 0xdbfe, 0, 0},
264 { Script_Private, 0xdbff, 0xdc00, 0, 0},
265 { Script_Surrogates, 0xdc01, 0xdfff, 0, 0},
266 /* Private Use Area: U+E000–U+F8FF */
267 { Script_Private, 0xe000, 0xf8ff, 0, 0},
268 /* CJK Compatibility Ideographs: U+F900–U+FAFF */
269 { Script_CJK_Han ,0xf900, 0xfaff, 0, 0},
270 /* Latin Ligatures: U+FB00–U+FB06 */
271 { Script_Latin, 0xfb00, 0xfb06, 0, 0},
272 /* Armenian ligatures U+FB13..U+FB17 */
273 { Script_Armenian, 0xfb13, 0xfb17, 0, 0},
274 /* Alphabetic Presentation Forms: U+FB1D–U+FB4F */
275 { Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0},
276 /* Arabic Presentation Forms-A: U+FB50–U+FDFF*/
277 { Script_Arabic, 0xfb50, 0xfdff, 0, 0},
278 /* Vertical Forms: U+FE10–U+FE1F */
279 /* Combining Half Marks: U+FE20–U+FE2F */
280 /* CJK Compatibility Forms: U+FE30–U+FE4F */
281 /* Small Form Variants: U+FE50–U+FE6F */
282 { Script_Ideograph ,0xfe10, 0xfe6f, 0, 0},
283 /* Arabic Presentation Forms-B: U+FE70–U+FEFF*/
284 { Script_Arabic, 0xfe70, 0xfeff, 0, 0},
285 /* Halfwidth and Fullwidth Forms: U+FF00–FFEF */
286 { Script_Ideograph ,0xff00, 0xff64, Script_Numeric2, 0},
287 { Script_Kana ,0xff65, 0xff9f, 0, 0},
288 { Script_Hangul ,0xffa0, 0xffdf, 0, 0},
289 { Script_Ideograph ,0xffe0, 0xffef, 0, 0},
290 /* END */
291 { SCRIPT_UNDEFINED, 0, 0, 0}
292 };
293
294 typedef struct _scriptData
295 {
296 SCRIPT_ANALYSIS a;
297 SCRIPT_PROPERTIES props;
298 OPENTYPE_TAG scriptTag;
299 WCHAR fallbackFont[LF_FACESIZE];
300 } scriptData;
301
302 /* the must be in order so that the index matches the Script value */
303 static 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 {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 {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 {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 {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 {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 {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 {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, 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 };
605
606 static const SCRIPT_PROPERTIES *script_props[] =
607 {
608 &scriptInformation[0].props, &scriptInformation[1].props,
609 &scriptInformation[2].props, &scriptInformation[3].props,
610 &scriptInformation[4].props, &scriptInformation[5].props,
611 &scriptInformation[6].props, &scriptInformation[7].props,
612 &scriptInformation[8].props, &scriptInformation[9].props,
613 &scriptInformation[10].props, &scriptInformation[11].props,
614 &scriptInformation[12].props, &scriptInformation[13].props,
615 &scriptInformation[14].props, &scriptInformation[15].props,
616 &scriptInformation[16].props, &scriptInformation[17].props,
617 &scriptInformation[18].props, &scriptInformation[19].props,
618 &scriptInformation[20].props, &scriptInformation[21].props,
619 &scriptInformation[22].props, &scriptInformation[23].props,
620 &scriptInformation[24].props, &scriptInformation[25].props,
621 &scriptInformation[26].props, &scriptInformation[27].props,
622 &scriptInformation[28].props, &scriptInformation[29].props,
623 &scriptInformation[30].props, &scriptInformation[31].props,
624 &scriptInformation[32].props, &scriptInformation[33].props,
625 &scriptInformation[34].props, &scriptInformation[35].props,
626 &scriptInformation[36].props, &scriptInformation[37].props,
627 &scriptInformation[38].props, &scriptInformation[39].props,
628 &scriptInformation[40].props, &scriptInformation[41].props,
629 &scriptInformation[42].props, &scriptInformation[43].props,
630 &scriptInformation[44].props, &scriptInformation[45].props,
631 &scriptInformation[46].props, &scriptInformation[47].props,
632 &scriptInformation[48].props, &scriptInformation[49].props,
633 &scriptInformation[50].props, &scriptInformation[51].props,
634 &scriptInformation[52].props, &scriptInformation[53].props,
635 &scriptInformation[54].props, &scriptInformation[55].props,
636 &scriptInformation[56].props, &scriptInformation[57].props,
637 &scriptInformation[58].props, &scriptInformation[59].props,
638 &scriptInformation[60].props, &scriptInformation[61].props,
639 &scriptInformation[62].props, &scriptInformation[63].props,
640 &scriptInformation[64].props, &scriptInformation[65].props,
641 &scriptInformation[66].props, &scriptInformation[67].props,
642 &scriptInformation[68].props, &scriptInformation[69].props,
643 &scriptInformation[70].props, &scriptInformation[71].props,
644 &scriptInformation[72].props, &scriptInformation[73].props,
645 &scriptInformation[74].props
646 };
647
648 typedef struct {
649 ScriptCache *sc;
650 int numGlyphs;
651 WORD* glyphs;
652 WORD* pwLogClust;
653 int* piAdvance;
654 SCRIPT_VISATTR* psva;
655 GOFFSET* pGoffset;
656 ABC* abc;
657 int iMaxPosX;
658 HFONT fallbackFont;
659 } StringGlyphs;
660
661 typedef struct {
662 HDC hdc;
663 DWORD dwFlags;
664 BOOL invalid;
665 int clip_len;
666 int cItems;
667 int cMaxGlyphs;
668 SCRIPT_ITEM* pItem;
669 int numItems;
670 StringGlyphs* glyphs;
671 SCRIPT_LOGATTR* logattrs;
672 SIZE* sz;
673 int* logical2visual;
674 } StringAnalysis;
675
676 static inline void *heap_alloc(SIZE_T size)
677 {
678 return HeapAlloc(GetProcessHeap(), 0, size);
679 }
680
681 static inline void *heap_alloc_zero(SIZE_T size)
682 {
683 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
684 }
685
686 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
687 {
688 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
689 }
690
691 static inline BOOL heap_free(LPVOID mem)
692 {
693 return HeapFree(GetProcessHeap(), 0, mem);
694 }
695
696 static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
697 {
698 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
699 }
700
701 static inline LONG get_cache_height(SCRIPT_CACHE *psc)
702 {
703 return ((ScriptCache *)*psc)->tm.tmHeight;
704 }
705
706 static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
707 {
708 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
709 }
710
711 static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c)
712 {
713 WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
714
715 if (!block) return 0;
716 return block[c & GLYPH_BLOCK_MASK];
717 }
718
719 static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
720 {
721 WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
722
723 if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
724 return ((*block)[c & GLYPH_BLOCK_MASK] = glyph);
725 }
726
727 static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
728 {
729 static const ABC nil;
730 ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
731
732 if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
733 memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
734 return TRUE;
735 }
736
737 static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
738 {
739 ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
740
741 if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
742 memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
743 return TRUE;
744 }
745
746 static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
747 {
748 ScriptCache *sc;
749
750 if (!psc) return E_INVALIDARG;
751 if (*psc) return S_OK;
752 if (!hdc) return E_PENDING;
753
754 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
755 if (!GetTextMetricsW(hdc, &sc->tm))
756 {
757 heap_free(sc);
758 return E_INVALIDARG;
759 }
760 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
761 {
762 heap_free(sc);
763 return E_INVALIDARG;
764 }
765 sc->sfnt = (GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, NULL, 0)!=GDI_ERROR);
766 *psc = sc;
767 TRACE("<- %p\n", sc);
768 return S_OK;
769 }
770
771 static WCHAR mirror_char( WCHAR ch )
772 {
773 extern const WCHAR wine_mirror_map[];
774 return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
775 }
776
777 static WORD get_char_script( WCHAR ch)
778 {
779 static const WCHAR latin_punc[] = {'#','$','&','\'',',',';','<','>','?','@','\\','^','_','`','{','|','}','~', 0x00a0, 0};
780 WORD type = 0;
781 int i;
782
783 if (ch == 0xc || ch == 0x20 || ch == 0x202f)
784 return Script_CR;
785
786 /* These punctuation are separated out as Latin punctuation */
787 if (strchrW(latin_punc,ch))
788 return Script_Punctuation2;
789
790 /* These chars are itemized as Punctuation by Windows */
791 if (ch == 0x2212 || ch == 0x2044)
792 return Script_Punctuation;
793
794 GetStringTypeW(CT_CTYPE1, &ch, 1, &type);
795
796 if (type == 0)
797 return SCRIPT_UNDEFINED;
798
799 if (type & C1_CNTRL)
800 return Script_Control;
801
802 i = 0;
803 do
804 {
805 if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
806 break;
807
808 if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
809 {
810 if (scriptRanges[i].numericScript && type & C1_DIGIT)
811 return scriptRanges[i].numericScript;
812 if (scriptRanges[i].punctScript && type & C1_PUNCT)
813 return scriptRanges[i].punctScript;
814 return scriptRanges[i].script;
815 }
816 i++;
817 } while (1);
818
819 return SCRIPT_UNDEFINED;
820 }
821
822 /***********************************************************************
823 * DllMain
824 *
825 */
826 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
827 {
828 switch(fdwReason)
829 {
830 case DLL_PROCESS_ATTACH:
831 DisableThreadLibraryCalls(hInstDLL);
832 break;
833 case DLL_PROCESS_DETACH:
834 break;
835 }
836 return TRUE;
837 }
838
839 /***********************************************************************
840 * ScriptFreeCache (USP10.@)
841 *
842 * Free a script cache.
843 *
844 * PARAMS
845 * psc [I/O] Script cache.
846 *
847 * RETURNS
848 * Success: S_OK
849 * Failure: Non-zero HRESULT value.
850 */
851 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
852 {
853 TRACE("%p\n", psc);
854
855 if (psc && *psc)
856 {
857 unsigned int i;
858 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
859 {
860 heap_free(((ScriptCache *)*psc)->glyphs[i]);
861 heap_free(((ScriptCache *)*psc)->widths[i]);
862 }
863 heap_free(((ScriptCache *)*psc)->GSUB_Table);
864 heap_free(((ScriptCache *)*psc)->GDEF_Table);
865 heap_free(((ScriptCache *)*psc)->CMAP_Table);
866 heap_free(((ScriptCache *)*psc)->features);
867 heap_free(*psc);
868 *psc = NULL;
869 }
870 return S_OK;
871 }
872
873 /***********************************************************************
874 * ScriptGetProperties (USP10.@)
875 *
876 * Retrieve a list of script properties.
877 *
878 * PARAMS
879 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
880 * num [I] Pointer to the number of scripts.
881 *
882 * RETURNS
883 * Success: S_OK
884 * Failure: Non-zero HRESULT value.
885 *
886 * NOTES
887 * Behaviour matches WinXP.
888 */
889 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
890 {
891 TRACE("(%p,%p)\n", props, num);
892
893 if (!props && !num) return E_INVALIDARG;
894
895 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
896 if (props) *props = script_props;
897
898 return S_OK;
899 }
900
901 /***********************************************************************
902 * ScriptGetFontProperties (USP10.@)
903 *
904 * Get information on special glyphs.
905 *
906 * PARAMS
907 * hdc [I] Device context.
908 * psc [I/O] Opaque pointer to a script cache.
909 * sfp [O] Font properties structure.
910 */
911 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
912 {
913 HRESULT hr;
914
915 TRACE("%p,%p,%p\n", hdc, psc, sfp);
916
917 if (!sfp) return E_INVALIDARG;
918 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
919
920 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
921 return E_INVALIDARG;
922
923 /* return something sensible? */
924 sfp->wgBlank = 0;
925 sfp->wgDefault = get_cache_default_char(psc);
926 sfp->wgInvalid = 0;
927 sfp->wgKashida = 0xffff;
928 sfp->iKashidaWidth = 0;
929
930 return S_OK;
931 }
932
933 /***********************************************************************
934 * ScriptRecordDigitSubstitution (USP10.@)
935 *
936 * Record digit substitution settings for a given locale.
937 *
938 * PARAMS
939 * locale [I] Locale identifier.
940 * sds [I] Structure to record substitution settings.
941 *
942 * RETURNS
943 * Success: S_OK
944 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
945 *
946 * SEE ALSO
947 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
948 */
949 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
950 {
951 DWORD plgid, sub;
952
953 TRACE("0x%x, %p\n", locale, sds);
954
955 /* This implementation appears to be correct for all languages, but it's
956 * not clear if sds->DigitSubstitute is ever set to anything except
957 * CONTEXT or NONE in reality */
958
959 if (!sds) return E_POINTER;
960
961 locale = ConvertDefaultLocale(locale);
962
963 if (!IsValidLocale(locale, LCID_INSTALLED))
964 return E_INVALIDARG;
965
966 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
967 sds->TraditionalDigitLanguage = plgid;
968
969 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
970 sds->NationalDigitLanguage = plgid;
971 else
972 sds->NationalDigitLanguage = LANG_ENGLISH;
973
974 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
975 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
976
977 switch (sub)
978 {
979 case 0:
980 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
981 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
982 else
983 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
984 break;
985 case 1:
986 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
987 break;
988 case 2:
989 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
990 break;
991 default:
992 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
993 break;
994 }
995
996 sds->dwReserved = 0;
997 return S_OK;
998 }
999
1000 /***********************************************************************
1001 * ScriptApplyDigitSubstitution (USP10.@)
1002 *
1003 * Apply digit substitution settings.
1004 *
1005 * PARAMS
1006 * sds [I] Structure with recorded substitution settings.
1007 * sc [I] Script control structure.
1008 * ss [I] Script state structure.
1009 *
1010 * RETURNS
1011 * Success: S_OK
1012 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
1013 */
1014 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
1015 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
1016 {
1017 SCRIPT_DIGITSUBSTITUTE psds;
1018
1019 TRACE("%p, %p, %p\n", sds, sc, ss);
1020
1021 if (!sc || !ss) return E_POINTER;
1022 if (!sds)
1023 {
1024 sds = &psds;
1025 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
1026 return E_INVALIDARG;
1027 }
1028
1029 sc->uDefaultLanguage = LANG_ENGLISH;
1030 sc->fContextDigits = 0;
1031 ss->fDigitSubstitute = 0;
1032
1033 switch (sds->DigitSubstitute) {
1034 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
1035 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
1036 case SCRIPT_DIGITSUBSTITUTE_NONE:
1037 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
1038 return S_OK;
1039 default:
1040 return E_INVALIDARG;
1041 }
1042 }
1043
1044 static inline BOOL is_indic(WORD script)
1045 {
1046 return (script >= Script_Devanagari && script <= Script_Malayalam_Numeric);
1047 }
1048
1049 static inline WORD base_indic(WORD script)
1050 {
1051 switch (script)
1052 {
1053 case Script_Devanagari:
1054 case Script_Devanagari_Numeric: return Script_Devanagari;
1055 case Script_Bengali:
1056 case Script_Bengali_Numeric:
1057 case Script_Bengali_Currency: return Script_Bengali;
1058 case Script_Gurmukhi:
1059 case Script_Gurmukhi_Numeric: return Script_Gurmukhi;
1060 case Script_Gujarati:
1061 case Script_Gujarati_Numeric:
1062 case Script_Gujarati_Currency: return Script_Gujarati;
1063 case Script_Oriya:
1064 case Script_Oriya_Numeric: return Script_Oriya;
1065 case Script_Tamil:
1066 case Script_Tamil_Numeric: return Script_Tamil;
1067 case Script_Telugu:
1068 case Script_Telugu_Numeric: return Script_Telugu;
1069 case Script_Kannada:
1070 case Script_Kannada_Numeric: return Script_Kannada;
1071 case Script_Malayalam:
1072 case Script_Malayalam_Numeric: return Script_Malayalam;
1073 default:
1074 return -1;
1075 };
1076 }
1077
1078 /***********************************************************************
1079 * ScriptItemizeOpenType (USP10.@)
1080 *
1081 * Split a Unicode string into shapeable parts.
1082 *
1083 * PARAMS
1084 * pwcInChars [I] String to split.
1085 * cInChars [I] Number of characters in pwcInChars.
1086 * cMaxItems [I] Maximum number of items to return.
1087 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1088 * psState [I] Pointer to a SCRIPT_STATE structure.
1089 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1090 * pScriptTags [O] Buffer to receive OPENTYPE_TAGs.
1091 * pcItems [O] Number of script items returned.
1092 *
1093 * RETURNS
1094 * Success: S_OK
1095 * Failure: Non-zero HRESULT value.
1096 */
1097 HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1098 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1099 SCRIPT_ITEM *pItems, OPENTYPE_TAG *pScriptTags, int *pcItems)
1100 {
1101
1102 #define Numeric_space 0x0020
1103 #define ZWNJ 0x200C
1104 #define ZWJ 0x200D
1105
1106 int cnt = 0, index = 0, str = 0;
1107 int New_Script = -1;
1108 int i;
1109 WORD *levels = NULL;
1110 WORD *strength = NULL;
1111 WORD *scripts = NULL;
1112 WORD baselevel = 0;
1113 BOOL new_run;
1114 WORD last_indic = -1;
1115 WORD layoutRTL = 0;
1116 BOOL forceLevels = FALSE;
1117
1118 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
1119 psControl, psState, pItems, pcItems);
1120
1121 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
1122 return E_INVALIDARG;
1123
1124 scripts = heap_alloc(cInChars * sizeof(WORD));
1125 if (!scripts)
1126 return E_OUTOFMEMORY;
1127
1128 for (i = 0; i < cInChars; i++)
1129 {
1130 scripts[i] = get_char_script(pwcInChars[i]);
1131 /* Devanagari danda (U+0964) and double danda (U+0965) are used for
1132 all Indic scripts */
1133 if ((pwcInChars[i] == 0x964 || pwcInChars[i] ==0x965) && last_indic > 0)
1134 scripts[i] = last_indic;
1135 else if (is_indic(scripts[i]))
1136 last_indic = base_indic(scripts[i]);
1137
1138 /* Some unicode points (Zero Width Space U+200B -
1139 Right-to-Left Mark U+200F) will force us into bidi mode */
1140 if (!forceLevels && pwcInChars[i] >= 0x200B && pwcInChars[i] <= 0x200F)
1141 forceLevels = TRUE;
1142
1143 /* Diacritical marks merge with other scripts */
1144 if (scripts[i] == Script_Diacritical && i > 0)
1145 scripts[i] = scripts[i-1];
1146 }
1147
1148 for (i = 0; i < cInChars; i++)
1149 {
1150 /* Joiners get merged preferencially right */
1151 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1152 {
1153 int j;
1154 if (i+1 == cInChars)
1155 scripts[i] = scripts[i-1];
1156 else
1157 {
1158 for (j = i+1; j < cInChars; j++)
1159 {
1160 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1161 {
1162 scripts[i] = scripts[j];
1163 break;
1164 }
1165 }
1166 }
1167 }
1168 }
1169
1170 if (psState && psControl)
1171 {
1172 levels = heap_alloc_zero(cInChars * sizeof(WORD));
1173 if (!levels)
1174 {
1175 heap_free(scripts);
1176 return E_OUTOFMEMORY;
1177 }
1178
1179 BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels);
1180 baselevel = levels[0];
1181 for (i = 0; i < cInChars; i++)
1182 if (levels[i]!=levels[0])
1183 break;
1184 if (i >= cInChars && !odd(baselevel) && !odd(psState->uBidiLevel) && !forceLevels)
1185 {
1186 heap_free(levels);
1187 levels = NULL;
1188 }
1189 else
1190 {
1191 BOOL inNumber = FALSE;
1192 static WCHAR math_punc[] = {'#','$','%','+',',','-','.','/',':',0x2212, 0x2044, 0x00a0,0};
1193
1194 strength = heap_alloc_zero(cInChars * sizeof(WORD));
1195 if (!strength)
1196 {
1197 heap_free(scripts);
1198 heap_free(levels);
1199 return E_OUTOFMEMORY;
1200 }
1201 BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
1202
1203 /* We currently mis-level leading Diacriticals */
1204 if (scripts[0] == Script_Diacritical)
1205 for (i = 0; i < cInChars && scripts[0] == Script_Diacritical; i++)
1206 {
1207 levels[i] = odd(levels[i])?levels[i]+1:levels[i];
1208 strength[i] = BIDI_STRONG;
1209 }
1210
1211 for (i = 0; i < cInChars; i++)
1212 {
1213 /* Script_Numeric and select puncuation at level 0 get bumped to level 2 */
1214 if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && inNumber && strchrW(math_punc,pwcInChars[i]))
1215 {
1216 scripts[i] = Script_Numeric;
1217 levels[i] = 2;
1218 }
1219 else if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && scripts[i] == Script_Numeric)
1220 {
1221 levels[i] = 2;
1222 inNumber = TRUE;
1223 }
1224 else
1225 inNumber = FALSE;
1226
1227 /* Joiners get merged preferencially right */
1228 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1229 {
1230 int j;
1231 if (i+1 == cInChars && levels[i-1] == levels[i])
1232 strength[i] = strength[i-1];
1233 else
1234 for (j = i+1; j < cInChars && levels[i] == levels[j]; j++)
1235 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1236 {
1237 strength[i] = strength[j];
1238 break;
1239 }
1240 }
1241 }
1242 if (psControl->fMergeNeutralItems)
1243 {
1244 /* Merge the neutrals */
1245 for (i = 0; i < cInChars; i++)
1246 {
1247 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1248 {
1249 int j;
1250 for (j = i; j > 0; j--)
1251 {
1252 if (levels[i] != levels[j])
1253 break;
1254 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1255 {
1256 scripts[i] = scripts[j];
1257 strength[i] = strength[j];
1258 break;
1259 }
1260 }
1261 }
1262 /* Try going the other way */
1263 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1264 {
1265 int j;
1266 for (j = i; j < cInChars; j++)
1267 {
1268 if (levels[i] != levels[j])
1269 break;
1270 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1271 {
1272 scripts[i] = scripts[j];
1273 strength[i] = strength[j];
1274 break;
1275 }
1276 }
1277 }
1278 }
1279 }
1280 }
1281 }
1282
1283 while ((!levels || (levels && levels[cnt+1] == levels[0])) && (pwcInChars[cnt] == Numeric_space) && cnt < cInChars)
1284 cnt++;
1285
1286 if (cnt == cInChars) /* All Spaces */
1287 {
1288 cnt = 0;
1289 New_Script = scripts[cnt];
1290 }
1291
1292 pItems[index].iCharPos = 0;
1293 pItems[index].a = scriptInformation[scripts[cnt]].a;
1294 pScriptTags[index] = scriptInformation[scripts[cnt]].scriptTag;
1295
1296 if (strength && strength[cnt] == BIDI_STRONG)
1297 str = strength[cnt];
1298 else if (strength)
1299 str = strength[0];
1300
1301 cnt = 0;
1302
1303 if (levels)
1304 {
1305 if (strength[cnt] == BIDI_STRONG)
1306 layoutRTL = (odd(levels[cnt]))?1:0;
1307 else
1308 layoutRTL = (psState->uBidiLevel || odd(levels[cnt]))?1:0;
1309 pItems[index].a.fRTL = odd(levels[cnt]);
1310 pItems[index].a.fLayoutRTL = layoutRTL;
1311 pItems[index].a.s.uBidiLevel = levels[cnt];
1312 }
1313 else if (!pItems[index].a.s.uBidiLevel)
1314 {
1315 layoutRTL = (odd(baselevel))?1:0;
1316 pItems[index].a.s.uBidiLevel = baselevel;
1317 pItems[index].a.fLayoutRTL = odd(baselevel);
1318 pItems[index].a.fRTL = odd(baselevel);
1319 }
1320
1321 TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
1322 levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt,
1323 pItems[index].iCharPos);
1324
1325 for (cnt=1; cnt < cInChars; cnt++)
1326 {
1327 if(pwcInChars[cnt] != Numeric_space)
1328 New_Script = scripts[cnt];
1329 else if (levels)
1330 {
1331 int j = 1;
1332 while (cnt + j < cInChars - 1 && pwcInChars[cnt+j] == Numeric_space && levels[cnt] == levels[cnt+j])
1333 j++;
1334 if (cnt + j < cInChars && levels[cnt] == levels[cnt+j])
1335 New_Script = scripts[cnt+j];
1336 else
1337 New_Script = scripts[cnt];
1338 }
1339
1340 new_run = FALSE;
1341 /* merge space strengths*/
1342 if (strength && strength[cnt] == BIDI_STRONG && str != BIDI_STRONG && New_Script == pItems[index].a.eScript)
1343 str = BIDI_STRONG;
1344
1345 if (strength && strength[cnt] == BIDI_NEUTRAL && str == BIDI_STRONG && pwcInChars[cnt] != Numeric_space && New_Script == pItems[index].a.eScript)
1346 str = BIDI_NEUTRAL;
1347
1348 /* changes in level */
1349 if (levels && (levels[cnt] != pItems[index].a.s.uBidiLevel))
1350 {
1351 TRACE("Level break(%i/%i)\n",pItems[index].a.s.uBidiLevel,levels[cnt]);
1352 new_run = TRUE;
1353 }
1354 /* changes in strength */
1355 else if (strength && pwcInChars[cnt] != Numeric_space && str != strength[cnt])
1356 {
1357 TRACE("Strength break (%i/%i)\n",str,strength[cnt]);
1358 new_run = TRUE;
1359 }
1360 /* changes in script */
1361 else if (((pwcInChars[cnt] != Numeric_space) && (New_Script != -1) && (New_Script != pItems[index].a.eScript)) || (New_Script == Script_Control))
1362 {
1363 TRACE("Script break(%i/%i)\n",pItems[index].a.eScript,New_Script);
1364 new_run = TRUE;
1365 }
1366
1367 if (!new_run && strength && str == BIDI_STRONG)
1368 {
1369 layoutRTL = odd(levels[cnt])?1:0;
1370 pItems[index].a.fLayoutRTL = layoutRTL;
1371 }
1372
1373 if (new_run)
1374 {
1375 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);
1376
1377 index++;
1378 if (index+1 > cMaxItems)
1379 return E_OUTOFMEMORY;
1380
1381 if (strength)
1382 str = strength[cnt];
1383
1384 pItems[index].iCharPos = cnt;
1385 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1386
1387 pItems[index].a = scriptInformation[New_Script].a;
1388 pScriptTags[index] = scriptInformation[New_Script].scriptTag;
1389 if (levels)
1390 {
1391 if (levels[cnt] == 0)
1392 layoutRTL = 0;
1393 else
1394 layoutRTL = (layoutRTL || odd(levels[cnt]))?1:0;
1395 pItems[index].a.fRTL = odd(levels[cnt]);
1396 pItems[index].a.fLayoutRTL = layoutRTL;
1397 pItems[index].a.s.uBidiLevel = levels[cnt];
1398 }
1399 else if (!pItems[index].a.s.uBidiLevel)
1400 {
1401 pItems[index].a.s.uBidiLevel = baselevel;
1402 pItems[index].a.fLayoutRTL = layoutRTL;
1403 pItems[index].a.fRTL = odd(baselevel);
1404 }
1405
1406 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1407 }
1408 }
1409
1410 /* While not strictly necessary according to the spec, make sure the n+1
1411 * item is set up to prevent random behaviour if the caller erroneously
1412 * checks the n+1 structure */
1413 index++;
1414 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1415
1416 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1417
1418 /* Set one SCRIPT_STATE item being returned */
1419 if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
1420 if (pcItems) *pcItems = index;
1421
1422 /* Set SCRIPT_ITEM */
1423 pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
1424 heap_free(levels);
1425 heap_free(strength);
1426 heap_free(scripts);
1427 return S_OK;
1428 }
1429
1430 /***********************************************************************
1431 * ScriptItemize (USP10.@)
1432 *
1433 * Split a Unicode string into shapeable parts.
1434 *
1435 * PARAMS
1436 * pwcInChars [I] String to split.
1437 * cInChars [I] Number of characters in pwcInChars.
1438 * cMaxItems [I] Maximum number of items to return.
1439 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1440 * psState [I] Pointer to a SCRIPT_STATE structure.
1441 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1442 * pcItems [O] Number of script items returned.
1443 *
1444 * RETURNS
1445 * Success: S_OK
1446 * Failure: Non-zero HRESULT value.
1447 */
1448 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1449 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1450 SCRIPT_ITEM *pItems, int *pcItems)
1451 {
1452 OPENTYPE_TAG *discarded_tags;
1453 HRESULT res;
1454
1455 discarded_tags = heap_alloc(cMaxItems * sizeof(OPENTYPE_TAG));
1456 if (!discarded_tags)
1457 return E_OUTOFMEMORY;
1458 res = ScriptItemizeOpenType(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, discarded_tags, pcItems);
1459 heap_free(discarded_tags);
1460 return res;
1461 }
1462
1463 static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x)
1464 {
1465 int defWidth;
1466 int cTabStops=0;
1467 INT *lpTabPos = NULL;
1468 INT nTabOrg = 0;
1469 INT x = 0;
1470
1471 if (pTabdef)
1472 lpTabPos = pTabdef->pTabStops;
1473
1474 if (pTabdef && pTabdef->iTabOrigin)
1475 {
1476 if (pTabdef->iScale)
1477 nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4;
1478 else
1479 nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth;
1480 }
1481
1482 if (pTabdef)
1483 cTabStops = pTabdef->cTabStops;
1484
1485 if (cTabStops == 1)
1486 {
1487 if (pTabdef->iScale)
1488 defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4;
1489 else
1490 defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth;
1491 cTabStops = 0;
1492 }
1493 else
1494 defWidth = 8 * psc->tm.tmAveCharWidth;
1495
1496 for (; cTabStops>0 ; lpTabPos++, cTabStops--)
1497 {
1498 int position = *lpTabPos;
1499 if (position < 0)
1500 position = -1 * position;
1501 if (pTabdef->iScale)
1502 position = (position * pTabdef->iScale) / 4;
1503 else
1504 position = position * psc->tm.tmAveCharWidth;
1505
1506 if( nTabOrg + position > current_x)
1507 {
1508 if( *lpTabPos >= 0)
1509 {
1510 /* a left aligned tab */
1511 x = (nTabOrg + *lpTabPos) - current_x;
1512 break;
1513 }
1514 else
1515 {
1516 FIXME("Negative tabstop\n");
1517 break;
1518 }
1519 }
1520 }
1521 if ((!cTabStops) && (defWidth > 0))
1522 x =((((current_x - nTabOrg) / defWidth)+1) * defWidth) - current_x;
1523 else if ((!cTabStops) && (defWidth < 0))
1524 FIXME("TODO: Negative defWidth\n");
1525
1526 return x;
1527 }
1528
1529 /***********************************************************************
1530 * Helper function for ScriptStringAnalyse
1531 */
1532 static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
1533 const WCHAR *pwcInChars, int cChars )
1534 {
1535 /* FIXME: When to properly fallback is still a bit of a mystery */
1536 WORD *glyphs;
1537
1538 if (psa->fNoGlyphIndex)
1539 return FALSE;
1540
1541 if (init_script_cache(hdc, psc) != S_OK)
1542 return FALSE;
1543
1544 if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK)
1545 return TRUE;
1546
1547 glyphs = heap_alloc(sizeof(WORD) * cChars);
1548 if (!glyphs)
1549 return FALSE;
1550 if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK)
1551 {
1552 heap_free(glyphs);
1553 return TRUE;
1554 }
1555 heap_free(glyphs);
1556
1557 return FALSE;
1558 }
1559
1560 static void find_fallback_font(DWORD scriptid, LPWSTR FaceName)
1561 {
1562 HKEY hkey;
1563
1564 if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey))
1565 {
1566 static const WCHAR szFmt[] = {'%','x',0};
1567 WCHAR value[10];
1568 DWORD count = LF_FACESIZE * sizeof(WCHAR);
1569 DWORD type;
1570
1571 sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag);
1572 if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count))
1573 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1574 RegCloseKey(hkey);
1575 }
1576 else
1577 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1578 }
1579
1580 /***********************************************************************
1581 * ScriptStringAnalyse (USP10.@)
1582 *
1583 */
1584 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
1585 int cGlyphs, int iCharset, DWORD dwFlags,
1586 int iReqWidth, SCRIPT_CONTROL *psControl,
1587 SCRIPT_STATE *psState, const int *piDx,
1588 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
1589 SCRIPT_STRING_ANALYSIS *pssa)
1590 {
1591 HRESULT hr = E_OUTOFMEMORY;
1592 StringAnalysis *analysis = NULL;
1593 SCRIPT_CONTROL sControl;
1594 SCRIPT_STATE sState;
1595 int i, num_items = 255;
1596 BYTE *BidiLevel;
1597 WCHAR *iString = NULL;
1598
1599 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
1600 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
1601 psControl, psState, piDx, pTabdef, pbInClass, pssa);
1602
1603 if (iCharset != -1)
1604 {
1605 FIXME("Only Unicode strings are supported\n");
1606 return E_INVALIDARG;
1607 }
1608 if (cString < 1 || !pString) return E_INVALIDARG;
1609 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
1610
1611 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
1612 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
1613
1614 /* FIXME: handle clipping */
1615 analysis->clip_len = cString;
1616 analysis->hdc = hdc;
1617 analysis->dwFlags = dwFlags;
1618
1619 if (psState)
1620 sState = *psState;
1621 else
1622 memset(&sState, 0, sizeof(SCRIPT_STATE));
1623
1624 if (psControl)
1625 sControl = *psControl;
1626 else
1627 memset(&sControl, 0, sizeof(SCRIPT_CONTROL));
1628
1629 if (dwFlags & SSA_PASSWORD)
1630 {
1631 iString = heap_alloc(sizeof(WCHAR)*cString);
1632 if (!iString)
1633 {
1634 hr = E_OUTOFMEMORY;
1635 goto error;
1636 }
1637 for (i = 0; i < cString; i++)
1638 iString[i] = *((const WCHAR *)pString);
1639 pString = iString;
1640 }
1641
1642 hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem,
1643 &analysis->numItems);
1644
1645 while (hr == E_OUTOFMEMORY)
1646 {
1647 SCRIPT_ITEM *tmp;
1648
1649 num_items *= 2;
1650 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
1651 goto error;
1652
1653 analysis->pItem = tmp;
1654 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
1655 &analysis->numItems);
1656 }
1657 if (hr != S_OK) goto error;
1658
1659 /* set back to out of memory for default goto error behaviour */
1660 hr = E_OUTOFMEMORY;
1661
1662 if (dwFlags & SSA_BREAK)
1663 {
1664 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
1665 {
1666 for (i = 0; i < analysis->numItems; i++)
1667 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]);
1668 }
1669 else
1670 goto error;
1671 }
1672
1673 if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
1674 goto error;
1675 if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
1676 goto error;
1677
1678 if (dwFlags & SSA_GLYPHS)
1679 {
1680 int tab_x = 0;
1681 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
1682 {
1683 heap_free(BidiLevel);
1684 goto error;
1685 }
1686
1687 for (i = 0; i < analysis->numItems; i++)
1688 {
1689 SCRIPT_CACHE *sc = (SCRIPT_CACHE*)&analysis->glyphs[i].sc;
1690 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1691 int numGlyphs = 1.5 * cChar + 16;
1692 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
1693 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
1694 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
1695 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * numGlyphs);
1696 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
1697 ABC *abc = heap_alloc_zero(sizeof(ABC));
1698 int numGlyphsReturned;
1699 HFONT originalFont = 0x0;
1700
1701 /* FIXME: non unicode strings */
1702 const WCHAR* pStr = (const WCHAR*)pString;
1703 analysis->glyphs[i].fallbackFont = NULL;
1704
1705 if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc)
1706 {
1707 heap_free (BidiLevel);
1708 heap_free (glyphs);
1709 heap_free (pwLogClust);
1710 heap_free (piAdvance);
1711 heap_free (psva);
1712 heap_free (pGoffset);
1713 heap_free (abc);
1714 hr = E_OUTOFMEMORY;
1715 goto error;
1716 }
1717
1718 if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar))
1719 {
1720 LOGFONTW lf;
1721 GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), & lf);
1722 lf.lfCharSet = scriptInformation[analysis->pItem[i].a.eScript].props.bCharSet;
1723 lf.lfFaceName[0] = 0;
1724 find_fallback_font(analysis->pItem[i].a.eScript, lf.lfFaceName);
1725 if (lf.lfFaceName[0])
1726 {
1727 analysis->glyphs[i].fallbackFont = CreateFontIndirectW(&lf);
1728 if (analysis->glyphs[i].fallbackFont)
1729 {
1730 ScriptFreeCache(sc);
1731 originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont);
1732 }
1733 }
1734 }
1735
1736 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
1737 cChar, numGlyphs, &analysis->pItem[i].a,
1738 glyphs, pwLogClust, psva, &numGlyphsReturned);
1739 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
1740 piAdvance, pGoffset, abc);
1741 if (originalFont)
1742 SelectObject(hdc,originalFont);
1743
1744 if (dwFlags & SSA_TAB)
1745 {
1746 int tabi = 0;
1747 for (tabi = 0; tabi < cChar; tabi++)
1748 {
1749 if (pStr[analysis->pItem[i].iCharPos+tabi] == 0x0009)
1750 piAdvance[tabi] = getGivenTabWidth(analysis->glyphs[i].sc, pTabdef, analysis->pItem[i].iCharPos+tabi, tab_x);
1751 tab_x+=piAdvance[tabi];
1752 }
1753 }
1754
1755 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
1756 analysis->glyphs[i].glyphs = glyphs;
1757 analysis->glyphs[i].pwLogClust = pwLogClust;
1758 analysis->glyphs[i].piAdvance = piAdvance;
1759 analysis->glyphs[i].psva = psva;
1760 analysis->glyphs[i].pGoffset = pGoffset;
1761 analysis->glyphs[i].abc = abc;
1762 analysis->glyphs[i].iMaxPosX= -1;
1763
1764 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1765 }
1766 }
1767 else
1768 {
1769 for (i = 0; i < analysis->numItems; i++)
1770 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1771 }
1772
1773 ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
1774 heap_free(BidiLevel);
1775
1776 *pssa = analysis;
1777 heap_free(iString);
1778 return S_OK;
1779
1780 error:
1781 heap_free(iString);
1782 heap_free(analysis->glyphs);
1783 heap_free(analysis->logattrs);
1784 heap_free(analysis->pItem);
1785 heap_free(analysis->logical2visual);
1786 heap_free(analysis);
1787 return hr;
1788 }
1789
1790 static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction)
1791 {
1792 int i;
1793
1794 if (pva[glyph].fClusterStart)
1795 return TRUE;
1796 for (i = 0; i < cChars; i++)
1797 if (pwLogClust[i] == glyph) break;
1798 if (i != cChars)
1799 return TRUE;
1800
1801 return FALSE;
1802 }
1803
1804
1805 static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa,
1806 int iX,
1807 int iY,
1808 int iItem,
1809 int cStart,
1810 int cEnd,
1811 UINT uOptions,
1812 const RECT *prc,
1813 BOOL fSelected,
1814 BOOL fDisabled)
1815 {
1816 StringAnalysis *analysis;
1817 int off_x = 0;
1818 HRESULT hr;
1819 COLORREF BkColor = 0x0;
1820 COLORREF TextColor = 0x0;
1821 INT BkMode = 0;
1822 INT runStart, runEnd;
1823 INT iGlyph, cGlyphs;
1824 HFONT oldFont = 0x0;
1825
1826 TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n",
1827 ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled);
1828
1829 if (!(analysis = ssa)) return E_INVALIDARG;
1830
1831 if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) ||
1832 (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd))
1833 return S_OK;
1834
1835 if (fSelected)
1836 {
1837 BkMode = GetBkMode(analysis->hdc);
1838 SetBkMode( analysis->hdc, OPAQUE);
1839 BkColor = GetBkColor(analysis->hdc);
1840 SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT));
1841 if (!fDisabled)
1842 {
1843 TextColor = GetTextColor(analysis->hdc);
1844 SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
1845 }
1846 }
1847 if (analysis->glyphs[iItem].fallbackFont)
1848 oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont);
1849
1850 if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart)
1851 runStart = cStart - analysis->pItem[iItem].iCharPos;
1852 else
1853 runStart = 0;
1854 if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd)
1855 runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos;
1856 else
1857 runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1;
1858
1859 if (analysis->pItem[iItem].a.fRTL)
1860 {
1861 if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos)
1862 ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x);
1863 else
1864 ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x);
1865 }
1866 else
1867 {
1868 if (cStart >=0 && runStart)
1869 ScriptStringCPtoX(ssa, cStart, FALSE, &off_x);
1870 else
1871 ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x);
1872 }
1873
1874 if (analysis->pItem[iItem].a.fRTL)
1875 iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd];
1876 else
1877 iGlyph = analysis->glyphs[iItem].pwLogClust[runStart];
1878
1879 if (analysis->pItem[iItem].a.fRTL)
1880 cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph;
1881 else
1882 cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph;
1883
1884 cGlyphs++;
1885
1886 if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo)
1887 {
1888 INT direction;
1889 INT clust_glyph;
1890
1891 clust_glyph = iGlyph + cGlyphs;
1892 if (analysis->pItem[iItem].a.fRTL)
1893 direction = -1;
1894 else
1895 direction = 1;
1896
1897 while(clust_glyph < analysis->glyphs[iItem].numGlyphs &&
1898 !does_glyph_start_cluster(analysis->glyphs[iItem].psva, analysis->glyphs[iItem].pwLogClust, (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos), clust_glyph, direction))
1899 {
1900 cGlyphs++;
1901 clust_glyph++;
1902 }
1903 }
1904
1905 hr = ScriptTextOut(analysis->hdc,
1906 (SCRIPT_CACHE *)&analysis->glyphs[iItem].sc, iX + off_x,
1907 iY, uOptions, prc, &analysis->pItem[iItem].a, NULL, 0,
1908 &analysis->glyphs[iItem].glyphs[iGlyph], cGlyphs,
1909 &analysis->glyphs[iItem].piAdvance[iGlyph], NULL,
1910 &analysis->glyphs[iItem].pGoffset[iGlyph]);
1911
1912 TRACE("ScriptTextOut hr=%08x\n", hr);
1913
1914 if (fSelected)
1915 {
1916 SetBkColor(analysis->hdc, BkColor);
1917 SetBkMode( analysis->hdc, BkMode);
1918 if (!fDisabled)
1919 SetTextColor(analysis->hdc, TextColor);
1920 }
1921 if (analysis->glyphs[iItem].fallbackFont)
1922 SelectObject(analysis->hdc, oldFont);
1923
1924 return hr;
1925 }
1926
1927 /***********************************************************************
1928 * ScriptStringOut (USP10.@)
1929 *
1930 * This function takes the output of ScriptStringAnalyse and joins the segments
1931 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
1932 * only processes glyphs.
1933 *
1934 * Parameters:
1935 * ssa [I] buffer to hold the analysed string components
1936 * iX [I] X axis displacement for output
1937 * iY [I] Y axis displacement for output
1938 * uOptions [I] flags controling output processing
1939 * prc [I] rectangle coordinates
1940 * iMinSel [I] starting pos for substringing output string
1941 * iMaxSel [I] ending pos for substringing output string
1942 * fDisabled [I] controls text highlighting
1943 *
1944 * RETURNS
1945 * Success: S_OK
1946 * Failure: is the value returned by ScriptTextOut
1947 */
1948 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
1949 int iX,
1950 int iY,
1951 UINT uOptions,
1952 const RECT *prc,
1953 int iMinSel,
1954 int iMaxSel,
1955 BOOL fDisabled)
1956 {
1957 StringAnalysis *analysis;
1958 int item;
1959 HRESULT hr;
1960
1961 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
1962 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
1963
1964 if (!(analysis = ssa)) return E_INVALIDARG;
1965 if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG;
1966
1967 for (item = 0; item < analysis->numItems; item++)
1968 {
1969 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled);
1970 if (FAILED(hr))
1971 return hr;
1972 }
1973
1974 if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0))
1975 {
1976 if (iMaxSel > 0 && iMinSel < 0)
1977 iMinSel = 0;
1978 for (item = 0; item < analysis->numItems; item++)
1979 {
1980 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled);
1981 if (FAILED(hr))
1982 return hr;
1983 }
1984 }
1985
1986 return S_OK;
1987 }
1988
1989 /***********************************************************************
1990 * ScriptStringCPtoX (USP10.@)
1991 *
1992 */
1993 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
1994 {
1995 int item;
1996 int runningX = 0;
1997 StringAnalysis* analysis = ssa;
1998
1999 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
2000
2001 if (!ssa || !pX) return S_FALSE;
2002 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2003
2004 /* icp out of range */
2005 if(icp < 0)
2006 {
2007 analysis->invalid = TRUE;
2008 return E_INVALIDARG;
2009 }
2010
2011 for(item=0; item<analysis->numItems; item++)
2012 {
2013 int CP, i;
2014 int offset;
2015
2016 i = analysis->logical2visual[item];
2017 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2018 /* initialize max extents for uninitialized runs */
2019 if (analysis->glyphs[i].iMaxPosX == -1)
2020 {
2021 if (analysis->pItem[i].a.fRTL)
2022 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2023 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2024 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2025 else
2026 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2027 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2028 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2029 }
2030
2031 if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
2032 {
2033 runningX += analysis->glyphs[i].iMaxPosX;
2034 continue;
2035 }
2036
2037 icp -= analysis->pItem[i].iCharPos;
2038 ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2039 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2040 &analysis->pItem[i].a, &offset);
2041 runningX += offset;
2042
2043 *pX = runningX;
2044 return S_OK;
2045 }
2046
2047 /* icp out of range */
2048 analysis->invalid = TRUE;
2049 return E_INVALIDARG;
2050 }
2051
2052 /***********************************************************************
2053 * ScriptStringXtoCP (USP10.@)
2054 *
2055 */
2056 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
2057 {
2058 StringAnalysis* analysis = ssa;
2059 int item;
2060
2061 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
2062
2063 if (!ssa || !piCh || !piTrailing) return S_FALSE;
2064 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2065
2066 /* out of range */
2067 if(iX < 0)
2068 {
2069 if (analysis->pItem[0].a.fRTL)
2070 {
2071 *piCh = 1;
2072 *piTrailing = FALSE;
2073 }
2074 else
2075 {
2076 *piCh = -1;
2077 *piTrailing = TRUE;
2078 }
2079 return S_OK;
2080 }
2081
2082 for(item=0; item<analysis->numItems; item++)
2083 {
2084 int i;
2085 int CP;
2086
2087 for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
2088 /* nothing */;
2089
2090 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2091 /* initialize max extents for uninitialized runs */
2092 if (analysis->glyphs[i].iMaxPosX == -1)
2093 {
2094 if (analysis->pItem[i].a.fRTL)
2095 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2096 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2097 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2098 else
2099 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2100 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2101 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2102 }
2103
2104 if (iX > analysis->glyphs[i].iMaxPosX)
2105 {
2106 iX -= analysis->glyphs[i].iMaxPosX;
2107 continue;
2108 }
2109
2110 ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2111 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2112 &analysis->pItem[i].a, piCh, piTrailing);
2113 *piCh += analysis->pItem[i].iCharPos;
2114
2115 return S_OK;
2116 }
2117
2118 /* out of range */
2119 *piCh = analysis->pItem[analysis->numItems].iCharPos;
2120 *piTrailing = FALSE;
2121
2122 return S_OK;
2123 }
2124
2125
2126 /***********************************************************************
2127 * ScriptStringFree (USP10.@)
2128 *
2129 * Free a string analysis.
2130 *
2131 * PARAMS
2132 * pssa [I] string analysis.
2133 *
2134 * RETURNS
2135 * Success: S_OK
2136 * Failure: Non-zero HRESULT value.
2137 */
2138 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
2139 {
2140 StringAnalysis* analysis;
2141 BOOL invalid;
2142 int i;
2143
2144 TRACE("(%p)\n", pssa);
2145
2146 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
2147
2148 invalid = analysis->invalid;
2149
2150 if (analysis->glyphs)
2151 {
2152 for (i = 0; i < analysis->numItems; i++)
2153 {
2154 heap_free(analysis->glyphs[i].glyphs);
2155 heap_free(analysis->glyphs[i].pwLogClust);
2156 heap_free(analysis->glyphs[i].piAdvance);
2157 heap_free(analysis->glyphs[i].psva);
2158 heap_free(analysis->glyphs[i].pGoffset);
2159 heap_free(analysis->glyphs[i].abc);
2160 if (analysis->glyphs[i].fallbackFont)
2161 DeleteObject(analysis->glyphs[i].fallbackFont);
2162 ScriptFreeCache((SCRIPT_CACHE *)&analysis->glyphs[i].sc);
2163 heap_free(analysis->glyphs[i].sc);
2164 }
2165 heap_free(analysis->glyphs);
2166 }
2167
2168 heap_free(analysis->pItem);
2169 heap_free(analysis->logattrs);
2170 heap_free(analysis->sz);
2171 heap_free(analysis->logical2visual);
2172 heap_free(analysis);
2173
2174 if (invalid) return E_INVALIDARG;
2175 return S_OK;
2176 }
2177
2178 static inline int get_cluster_size(const WORD *pwLogClust, int cChars, int item,
2179 int direction, int* iCluster, int *check_out)
2180 {
2181 int clust_size = 1;
2182 int check;
2183 WORD clust = pwLogClust[item];
2184
2185 for (check = item+direction; check < cChars && check >= 0; check+=direction)
2186 {
2187 if (pwLogClust[check] == clust)
2188 {
2189 clust_size ++;
2190 if (iCluster && *iCluster == -1)
2191 *iCluster = item;
2192 }
2193 else break;
2194 }
2195
2196 if (check_out)
2197 *check_out = check;
2198
2199 return clust_size;
2200 }
2201
2202 static inline int get_glyph_cluster_advance(const int* piAdvance, const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cGlyphs, int cChars, int glyph, int direction)
2203 {
2204 int advance;
2205 int log_clust_max = 0;
2206 int i;
2207
2208 advance = piAdvance[glyph];
2209
2210 for (i = 0; i < cChars; i++)
2211 {
2212 if (pwLogClust[i] > log_clust_max)
2213 log_clust_max = pwLogClust[i];
2214 }
2215
2216 if (glyph > log_clust_max)
2217 return advance;
2218
2219 for (glyph+=direction; glyph < cGlyphs && glyph >= 0; glyph +=direction)
2220 {
2221
2222 if (does_glyph_start_cluster(pva, pwLogClust, cChars, glyph, direction))
2223 break;
2224 if (glyph > log_clust_max)
2225 break;
2226 advance += piAdvance[glyph];
2227 }
2228
2229 return advance;
2230 }
2231
2232 /***********************************************************************
2233 * ScriptCPtoX (USP10.@)
2234 *
2235 */
2236 HRESULT WINAPI ScriptCPtoX(int iCP,
2237 BOOL fTrailing,
2238 int cChars,
2239 int cGlyphs,
2240 const WORD *pwLogClust,
2241 const SCRIPT_VISATTR *psva,
2242 const int *piAdvance,
2243 const SCRIPT_ANALYSIS *psa,
2244 int *piX)
2245 {
2246 int item;
2247 float iPosX;
2248 int iSpecial = -1;
2249 int iCluster = -1;
2250 int clust_size = 1;
2251 float special_size = 0.0;
2252 int iMaxPos = 0;
2253 int advance = 0;
2254 BOOL rtl = FALSE;
2255
2256 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
2257 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
2258 psa, piX);
2259
2260 if (psa->fRTL && ! psa->fLogicalOrder)
2261 rtl = TRUE;
2262
2263 if (fTrailing)
2264 iCP++;
2265
2266 if (rtl)
2267 {
2268 int max_clust = pwLogClust[0];
2269
2270 for (item=0; item < cGlyphs; item++)
2271 if (pwLogClust[item] > max_clust)
2272 {
2273 ERR("We do not handle non reversed clusters properly\n");
2274 break;
2275 }
2276
2277 iMaxPos = 0;
2278 for (item = max_clust; item >=0; item --)
2279 iMaxPos += piAdvance[item];
2280 }
2281
2282 iPosX = 0.0;
2283 for (item=0; item < iCP && item < cChars; item++)
2284 {
2285 if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item)))
2286 {
2287 int check;
2288 int clust = pwLogClust[item];
2289
2290 iCluster = -1;
2291 clust_size = get_cluster_size(pwLogClust, cChars, item, 1, &iCluster,
2292 &check);
2293
2294 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, 1);
2295
2296 if (check >= cChars && !iMaxPos)
2297 {
2298 for (check = clust; check < cChars; check++)
2299 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, 1);
2300 iSpecial = item;
2301 special_size /= (cChars - item);
2302 iPosX += special_size;
2303 }
2304 else
2305 {
2306 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2307 {
2308 clust_size --;
2309 if (clust_size == 0)
2310 iPosX += advance;
2311 }
2312 else
2313 iPosX += advance / (float)clust_size;
2314 }
2315 }
2316 else if (iSpecial != -1)
2317 iPosX += special_size;
2318 else /* (iCluster != -1) */
2319 {
2320 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], 1);
2321 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2322 {
2323 clust_size --;
2324 if (clust_size == 0)
2325 iPosX += adv;
2326 }
2327 else
2328 iPosX += adv / (float)clust_size;
2329 }
2330 }
2331
2332 if (iMaxPos > 0)
2333 {
2334 iPosX = iMaxPos - iPosX;
2335 if (iPosX < 0)
2336 iPosX = 0;
2337 }
2338
2339 *piX = iPosX;
2340 TRACE("*piX=%d\n", *piX);
2341 return S_OK;
2342 }
2343
2344 /***********************************************************************
2345 * ScriptXtoCP (USP10.@)
2346 *
2347 */
2348 HRESULT WINAPI ScriptXtoCP(int iX,
2349 int cChars,
2350 int cGlyphs,
2351 const WORD *pwLogClust,
2352 const SCRIPT_VISATTR *psva,
2353 const int *piAdvance,
2354 const SCRIPT_ANALYSIS *psa,
2355 int *piCP,
2356 int *piTrailing)
2357 {
2358 int item;
2359 float iPosX;
2360 float iLastPosX;
2361 int iSpecial = -1;
2362 int iCluster = -1;
2363 int clust_size = 1;
2364 int cjump = 0;
2365 int advance;
2366 float special_size = 0.0;
2367 int direction = 1;
2368
2369 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
2370 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
2371 psa, piCP, piTrailing);
2372
2373 if (psa->fRTL && ! psa->fLogicalOrder)
2374 direction = -1;
2375
2376 if (direction<0)
2377 {
2378 int max_clust = pwLogClust[0];
2379
2380 if (iX < 0)
2381 {
2382 *piCP = cChars;
2383 *piTrailing = 0;
2384 return S_OK;
2385 }
2386
2387 for (item=0; item < cChars; item++)
2388 if (pwLogClust[item] > max_clust)
2389 {
2390 ERR("We do not handle non reversed clusters properly\n");
2391 break;
2392 }
2393 }
2394
2395 if (iX < 0)
2396 {
2397 *piCP = -1;
2398 *piTrailing = 1;
2399 return S_OK;
2400 }
2401
2402 iPosX = iLastPosX = 0;
2403 if (direction > 0)
2404 item = 0;
2405 else
2406 item = cChars - 1;
2407 for (; iPosX <= iX && item < cChars && item >= 0; item+=direction)
2408 {
2409 iLastPosX = iPosX;
2410 if (iSpecial == -1 &&
2411 (iCluster == -1 ||
2412 (iCluster != -1 &&
2413 ((direction > 0 && iCluster+clust_size <= item) ||
2414 (direction < 0 && iCluster-clust_size >= item))
2415 )
2416 )
2417 )
2418 {
2419 int check;
2420 int clust = pwLogClust[item];
2421
2422 iCluster = -1;
2423 cjump = 0;
2424 clust_size = get_cluster_size(pwLogClust, cChars, item, direction,
2425 &iCluster, &check);
2426 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, direction);
2427
2428 if (check >= cChars && direction > 0)
2429 {
2430 for (check = clust; check < cChars; check++)
2431 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, direction);
2432 iSpecial = item;
2433 special_size /= (cChars - item);
2434 iPosX += special_size;
2435 }
2436 else
2437 {
2438 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2439 {
2440 if (!cjump)
2441 iPosX += advance;
2442 cjump++;
2443 }
2444 else
2445 iPosX += advance / (float)clust_size;
2446 }
2447 }
2448 else if (iSpecial != -1)
2449 iPosX += special_size;
2450 else /* (iCluster != -1) */
2451 {
2452 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], direction);
2453 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2454 {
2455 if (!cjump)
2456 iPosX += adv;
2457 cjump++;
2458 }
2459 else
2460 iPosX += adv / (float)clust_size;
2461 }
2462 }
2463
2464 if (direction > 0)
2465 {
2466 if (iPosX > iX)
2467 item--;
2468 if (item < cChars && ((iPosX - iLastPosX) / 2.0) + iX >= iPosX)
2469 {
2470 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
2471 item+=(clust_size-1);
2472 *piTrailing = 1;
2473 }
2474 else
2475 *piTrailing = 0;
2476 }
2477 else
2478 {
2479 if (iX == iLastPosX)
2480 item++;
2481 if (iX >= iLastPosX && iX <= iPosX)
2482 item++;
2483
2484 if (iLastPosX == iX)
2485 *piTrailing = 0;
2486 else if (item < 0 || ((iLastPosX - iPosX) / 2.0) + iX <= iLastPosX)
2487 {
2488 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
2489 item-=(clust_size-1);
2490 *piTrailing = 1;
2491 }
2492 else
2493 *piTrailing = 0;
2494 }
2495
2496 *piCP = item;
2497
2498 TRACE("*piCP=%d\n", *piCP);
2499 TRACE("*piTrailing=%d\n", *piTrailing);
2500 return S_OK;
2501 }
2502
2503 /***********************************************************************
2504 * ScriptBreak (USP10.@)
2505 *
2506 * Retrieve line break information.
2507 *
2508 * PARAMS
2509 * chars [I] Array of characters.
2510 * sa [I] String analysis.
2511 * la [I] Array of logical attribute structures.
2512 *
2513 * RETURNS
2514 * Success: S_OK
2515 * Failure: S_FALSE
2516 */
2517 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
2518 {
2519 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
2520
2521 if (!la) return S_FALSE;
2522
2523 BREAK_line(chars, count, sa, la);
2524
2525 return S_OK;
2526 }
2527
2528 /***********************************************************************
2529 * ScriptIsComplex (USP10.@)
2530 *
2531 * Determine if a string is complex.
2532 *
2533 * PARAMS
2534 * chars [I] Array of characters to test.
2535 * len [I] Length in characters.
2536 * flag [I] Flag.
2537 *
2538 * RETURNS
2539 * Success: S_OK
2540 * Failure: S_FALSE
2541 *
2542 */
2543 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
2544 {
2545 int i;
2546
2547 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
2548
2549 for (i = 0; i < len; i++)
2550 {
2551 int script;
2552
2553 if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39)
2554 return S_OK;
2555
2556 script = get_char_script(chars[i]);
2557 if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))||
2558 (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL)))
2559 return S_OK;
2560 }
2561 return S_FALSE;
2562 }
2563
2564 /***********************************************************************
2565 * ScriptShapeOpenType (USP10.@)
2566 *
2567 * Produce glyphs and visual attributes for a run.
2568 *
2569 * PARAMS
2570 * hdc [I] Device context.
2571 * psc [I/O] Opaque pointer to a script cache.
2572 * psa [I/O] Script analysis.
2573 * tagScript [I] The OpenType tag for the Script
2574 * tagLangSys [I] The OpenType tag for the Language
2575 * rcRangeChars[I] Array of Character counts in each range
2576 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2577 * cRanges [I] Count of ranges
2578 * pwcChars [I] Array of characters specifying the run.
2579 * cChars [I] Number of characters in pwcChars.
2580 * cMaxGlyphs [I] Length of pwOutGlyphs.
2581 * pwLogClust [O] Array of logical cluster info.
2582 * pCharProps [O] Array of character property values
2583 * pwOutGlyphs [O] Array of glyphs.
2584 * pOutGlyphProps [O] Array of attributes for the retrieved glyphs
2585 * pcGlyphs [O] Number of glyphs returned.
2586 *
2587 * RETURNS
2588 * Success: S_OK
2589 * Failure: Non-zero HRESULT value.
2590 */
2591 HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc,
2592 SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
2593 OPENTYPE_TAG tagLangSys, int *rcRangeChars,
2594 TEXTRANGE_PROPERTIES **rpRangeProperties,
2595 int cRanges, const WCHAR *pwcChars, int cChars,
2596 int cMaxGlyphs, WORD *pwLogClust,
2597 SCRIPT_CHARPROP *pCharProps, WORD *pwOutGlyphs,
2598 SCRIPT_GLYPHPROP *pOutGlyphProps, int *pcGlyphs)
2599 {
2600 HRESULT hr;
2601 unsigned int i;
2602 BOOL rtl;
2603
2604 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %d, %d, %p, %p, %p, %p, %p )\n",
2605 hdc, psc, psa,
2606 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2607 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2608 cChars, cMaxGlyphs, pwLogClust, pCharProps, pwOutGlyphs, pOutGlyphProps, pcGlyphs);
2609
2610 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
2611 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
2612
2613 if (!pOutGlyphProps || !pcGlyphs || !pCharProps) return E_INVALIDARG;
2614 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2615
2616 if (cRanges)
2617 FIXME("Ranges not supported yet\n");
2618
2619 rtl = (psa && !psa->fLogicalOrder && psa->fRTL);
2620
2621 *pcGlyphs = cChars;
2622 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2623 if (!pwLogClust) return E_FAIL;
2624
2625 ((ScriptCache *)*psc)->userScript = tagScript;
2626 ((ScriptCache *)*psc)->userLang = tagLangSys;
2627
2628 /* set fNoGlyphIndex non truetype/opentype fonts */
2629 if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
2630 psa->fNoGlyphIndex = TRUE;
2631
2632 /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
2633 for (i = 0; i < cChars; i++)
2634 {
2635 int idx = i;
2636 if (rtl) idx = cChars - 1 - i;
2637 /* FIXME: set to better values */
2638 pOutGlyphProps[i].sva.uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER;
2639 pOutGlyphProps[i].sva.fClusterStart = 1;
2640 pOutGlyphProps[i].sva.fDiacritic = 0;
2641 pOutGlyphProps[i].sva.fZeroWidth = 0;
2642 pOutGlyphProps[i].sva.fReserved = 0;
2643 pOutGlyphProps[i].sva.fShapeReserved = 0;
2644
2645 /* FIXME: have the shaping engine set this */
2646 pCharProps[i].fCanGlyphAlone = 0;
2647
2648 pwLogClust[i] = idx;
2649 }
2650
2651 if (psa && !psa->fNoGlyphIndex)
2652 {
2653 WCHAR *rChars;
2654 if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr;
2655
2656 rChars = heap_alloc(sizeof(WCHAR) * cChars);
2657 if (!rChars) return E_OUTOFMEMORY;
2658 for (i = 0; i < cChars; i++)
2659 {
2660 int idx = i;
2661 WCHAR chInput;
2662 if (rtl) idx = cChars - 1 - i;
2663 if (psa->fRTL)
2664 chInput = mirror_char(pwcChars[idx]);
2665 else
2666 chInput = pwcChars[idx];
2667 /* special case for tabs */
2668 if (chInput == 0x0009)
2669 chInput = 0x0020;
2670 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput)))
2671 {
2672 WORD glyph;
2673 if (!hdc)
2674 {
2675 heap_free(rChars);
2676 return E_PENDING;
2677 }
2678 if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR)
2679 {
2680 heap_free(rChars);
2681 return S_FALSE;
2682 }
2683 pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph);
2684 }
2685 rChars[i] = chInput;
2686 }
2687
2688 SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
2689 SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust);
2690 SHAPE_CharGlyphProp(hdc, (ScriptCache *)*psc, psa, pwcChars, cChars, pwOutGlyphs, *pcGlyphs, pwLogClust, pCharProps, pOutGlyphProps);
2691 heap_free(rChars);
2692 }
2693 else
2694 {
2695 TRACE("no glyph translation\n");
2696 for (i = 0; i < cChars; i++)
2697 {
2698 int idx = i;
2699 /* No mirroring done here */
2700 if (rtl) idx = cChars - 1 - i;
2701 pwOutGlyphs[i] = pwcChars[idx];
2702 }
2703 }
2704
2705 return S_OK;
2706 }
2707
2708
2709 /***********************************************************************
2710 * ScriptShape (USP10.@)
2711 *
2712 * Produce glyphs and visual attributes for a run.
2713 *
2714 * PARAMS
2715 * hdc [I] Device context.
2716 * psc [I/O] Opaque pointer to a script cache.
2717 * pwcChars [I] Array of characters specifying the run.
2718 * cChars [I] Number of characters in pwcChars.
2719 * cMaxGlyphs [I] Length of pwOutGlyphs.
2720 * psa [I/O] Script analysis.
2721 * pwOutGlyphs [O] Array of glyphs.
2722 * pwLogClust [O] Array of logical cluster info.
2723 * psva [O] Array of visual attributes.
2724 * pcGlyphs [O] Number of glyphs returned.
2725 *
2726 * RETURNS
2727 * Success: S_OK
2728 * Failure: Non-zero HRESULT value.
2729 */
2730 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
2731 int cChars, int cMaxGlyphs,
2732 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
2733 SCRIPT_VISATTR *psva, int *pcGlyphs)
2734 {
2735 HRESULT hr;
2736 int i;
2737 SCRIPT_CHARPROP *charProps;
2738 SCRIPT_GLYPHPROP *glyphProps;
2739
2740 if (!psva || !pcGlyphs) return E_INVALIDARG;
2741 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2742
2743 charProps = heap_alloc_zero(sizeof(SCRIPT_CHARPROP)*cChars);
2744 if (!charProps) return E_OUTOFMEMORY;
2745 glyphProps = heap_alloc_zero(sizeof(SCRIPT_GLYPHPROP)*cMaxGlyphs);
2746 if (!glyphProps)
2747 {
2748 heap_free(charProps);
2749 return E_OUTOFMEMORY;
2750 }
2751
2752 hr = ScriptShapeOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, pwcChars, cChars, cMaxGlyphs, pwLogClust, charProps, pwOutGlyphs, glyphProps, pcGlyphs);
2753
2754 if (SUCCEEDED(hr))
2755 {
2756 for (i = 0; i < *pcGlyphs; i++)
2757 psva[i] = glyphProps[i].sva;
2758 }
2759
2760 heap_free(charProps);
2761 heap_free(glyphProps);
2762
2763 return hr;
2764 }
2765
2766 /***********************************************************************
2767 * ScriptPlaceOpenType (USP10.@)
2768 *
2769 * Produce advance widths for a run.
2770 *
2771 * PARAMS
2772 * hdc [I] Device context.
2773 * psc [I/O] Opaque pointer to a script cache.
2774 * psa [I/O] String analysis.
2775 * tagScript [I] The OpenType tag for the Script
2776 * tagLangSys [I] The OpenType tag for the Language
2777 * rcRangeChars[I] Array of Character counts in each range
2778 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2779 * cRanges [I] Count of ranges
2780 * pwcChars [I] Array of characters specifying the run.
2781 * pwLogClust [I] Array of logical cluster info
2782 * pCharProps [I] Array of character property values
2783 * cChars [I] Number of characters in pwcChars.
2784 * pwGlyphs [I] Array of glyphs.
2785 * pGlyphProps [I] Array of attributes for the retrieved glyphs
2786 * cGlyphs [I] Count of Glyphs
2787 * piAdvance [O] Array of advance widths.
2788 * pGoffset [O] Glyph offsets.
2789 * pABC [O] Combined ABC width.
2790 *
2791 * RETURNS
2792 * Success: S_OK
2793 * Failure: Non-zero HRESULT value.
2794 */
2795
2796 HRESULT WINAPI ScriptPlaceOpenType( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
2797 OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys,
2798 int *rcRangeChars, TEXTRANGE_PROPERTIES **rpRangeProperties,
2799 int cRanges, const WCHAR *pwcChars, WORD *pwLogClust,
2800 SCRIPT_CHARPROP *pCharProps, int cChars,
2801 const WORD *pwGlyphs, const SCRIPT_GLYPHPROP *pGlyphProps,
2802 int cGlyphs, int *piAdvance,
2803 GOFFSET *pGoffset, ABC *pABC
2804 )
2805 {
2806 HRESULT hr;
2807 int i;
2808
2809 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %p, %p, %d, %p, %p, %d, %p %p %p)\n",
2810 hdc, psc, psa,
2811 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2812 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2813 pwLogClust, pCharProps, cChars, pwGlyphs, pGlyphProps, cGlyphs, piAdvance,
2814 pGoffset, pABC);
2815
2816 if (!pGlyphProps) return E_INVALIDARG;
2817 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2818 if (!pGoffset) return E_FAIL;
2819
2820 if (cRanges)
2821 FIXME("Ranges not supported yet\n");
2822
2823 ((ScriptCache *)*psc)->userScript = tagScript;
2824 ((ScriptCache *)*psc)->userLang = tagLangSys;
2825
2826 if (pABC) memset(pABC, 0, sizeof(ABC));
2827 for (i = 0; i < cGlyphs; i++)
2828 {
2829 ABC abc;
2830 if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
2831 {
2832 if (!hdc) return E_PENDING;
2833 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
2834 {
2835 if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
2836 }
2837 else
2838 {
2839 INT width;
2840 if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
2841 abc.abcB = width;
2842 abc.abcA = abc.abcC = 0;
2843 }
2844 set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
2845 }
2846 if (pABC)
2847 {
2848 pABC->abcA += abc.abcA;
2849 pABC->abcB += abc.abcB;
2850 pABC->abcC += abc.abcC;
2851 }
2852 /* FIXME: set to more reasonable values */
2853 pGoffset[i].du = pGoffset[i].dv = 0;
2854 if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC;
2855 }
2856
2857 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
2858 return S_OK;
2859 }
2860
2861 /***********************************************************************
2862 * ScriptPlace (USP10.@)
2863 *
2864 * Produce advance widths for a run.
2865 *
2866 * PARAMS
2867 * hdc [I] Device context.
2868 * psc [I/O] Opaque pointer to a script cache.
2869 * pwGlyphs [I] Array of glyphs.
2870 * cGlyphs [I] Number of glyphs in pwGlyphs.
2871 * psva [I] Array of visual attributes.
2872 * psa [I/O] String analysis.
2873 * piAdvance [O] Array of advance widths.
2874 * pGoffset [O] Glyph offsets.
2875 * pABC [O] Combined ABC width.
2876 *
2877 * RETURNS
2878 * Success: S_OK
2879 * Failure: Non-zero HRESULT value.
2880 */
2881 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
2882 int cGlyphs, const SCRIPT_VISATTR *psva,
2883 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
2884 {
2885 HRESULT hr;
2886 SCRIPT_GLYPHPROP *glyphProps;
2887 int i;
2888
2889 TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
2890 piAdvance, pGoffset, pABC);
2891
2892 if (!psva) return E_INVALIDARG;
2893 if (!pGoffset) return E_FAIL;
2894
2895 glyphProps = heap_alloc(sizeof(SCRIPT_GLYPHPROP)*cGlyphs);
2896 if (!glyphProps) return E_OUTOFMEMORY;
2897
2898 for (i = 0; i < cGlyphs; i++)
2899 glyphProps[i].sva = psva[i];
2900
2901 hr = ScriptPlaceOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, NULL, NULL, NULL, 0, pwGlyphs, glyphProps, cGlyphs, piAdvance, pGoffset, pABC);
2902
2903 heap_free(glyphProps);
2904
2905 return hr;
2906 }
2907
2908 /***********************************************************************
2909 * ScriptGetCMap (USP10.@)
2910 *
2911 * Retrieve glyph indices.
2912 *
2913 * PARAMS
2914 * hdc [I] Device context.
2915 * psc [I/O] Opaque pointer to a script cache.
2916 * pwcInChars [I] Array of Unicode characters.
2917 * cChars [I] Number of characters in pwcInChars.
2918 * dwFlags [I] Flags.
2919 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
2920 *
2921 * RETURNS
2922 * Success: S_OK
2923 * Failure: Non-zero HRESULT value.
2924 */
2925 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
2926 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
2927 {
2928 HRESULT hr;
2929 int i;
2930
2931 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
2932 cChars, dwFlags, pwOutGlyphs);
2933
2934 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2935
2936 hr = S_OK;
2937
2938 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2939 {
2940 for (i = 0; i < cChars; i++)
2941 {
2942 WCHAR inChar;
2943 if (dwFlags == SGCM_RTL)
2944 inChar = mirror_char(pwcInChars[i]);
2945 else
2946 inChar = pwcInChars[i];
2947 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar)))
2948 {
2949 WORD glyph;
2950 if (!hdc) return E_PENDING;
2951 if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
2952 if (glyph == 0xffff)
2953 {
2954 hr = S_FALSE;
2955 glyph = 0x0;
2956 }
2957 pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph);
2958 }
2959 }
2960 }
2961 else
2962 {
2963 TRACE("no glyph translation\n");
2964 for (i = 0; i < cChars; i++)
2965 {
2966 WCHAR inChar;
2967 if (dwFlags == SGCM_RTL)
2968 inChar = mirror_char(pwcInChars[i]);
2969 else
2970 inChar = pwcInChars[i];
2971 pwOutGlyphs[i] = inChar;
2972 }
2973 }
2974 return hr;
2975 }
2976
2977 /***********************************************************************
2978 * ScriptTextOut (USP10.@)
2979 *
2980 */
2981 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
2982 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
2983 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
2984 const int *piJustify, const GOFFSET *pGoffset)
2985 {
2986 HRESULT hr = S_OK;
2987
2988 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
2989 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
2990 piAdvance, piJustify, pGoffset);
2991
2992 if (!hdc || !psc) return E_INVALIDARG;
2993 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
2994
2995 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
2996 fuOptions |= ETO_IGNORELANGUAGE;
2997 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
2998 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
2999
3000 if (psa->fRTL && psa->fLogicalOrder)
3001 {
3002 int i;
3003 WORD *rtlGlyphs;
3004
3005 rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD));
3006 if (!rtlGlyphs)
3007 return E_OUTOFMEMORY;
3008
3009 for (i = 0; i < cGlyphs; i++)
3010 rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i];
3011
3012 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL))
3013 hr = S_FALSE;
3014 heap_free(rtlGlyphs);
3015 }
3016 else
3017 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
3018 hr = S_FALSE;
3019
3020 return hr;
3021 }
3022
3023 /***********************************************************************
3024 * ScriptCacheGetHeight (USP10.@)
3025 *
3026 * Retrieve the height of the font in the cache.
3027 *
3028 * PARAMS
3029 * hdc [I] Device context.
3030 * psc [I/O] Opaque pointer to a script cache.
3031 * height [O] Receives font height.
3032 *
3033 * RETURNS
3034 * Success: S_OK
3035 * Failure: Non-zero HRESULT value.
3036 */
3037 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
3038 {
3039 HRESULT hr;
3040
3041 TRACE("(%p, %p, %p)\n", hdc, psc, height);
3042
3043 if (!height) return E_INVALIDARG;
3044 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
3045
3046 *height = get_cache_height(psc);
3047 return S_OK;
3048 }
3049
3050 /***********************************************************************
3051 * ScriptGetGlyphABCWidth (USP10.@)
3052 *
3053 * Retrieve the width of a glyph.
3054 *
3055 * PARAMS
3056 * hdc [I] Device context.
3057 * psc [I/O] Opaque pointer to a script cache.
3058 * glyph [I] Glyph to retrieve the width for.
3059 * abc [O] ABC widths of the glyph.
3060 *
3061 * RETURNS
3062 * Success: S_OK
3063 * Failure: Non-zero HRESULT value.
3064 */
3065 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
3066 {
3067 HRESULT hr;
3068
3069 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
3070
3071 if (!abc) return E_INVALIDARG;
3072 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
3073
3074 if (!get_cache_glyph_widths(psc, glyph, abc))
3075 {
3076 if (!hdc) return E_PENDING;
3077 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
3078 {
3079 if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
3080 }
3081 else
3082 {
3083 INT width;
3084 if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
3085 abc->abcB = width;
3086 abc->abcA = abc->abcC = 0;
3087 }
3088 set_cache_glyph_widths(psc, glyph, abc);
3089 }
3090 return S_OK;
3091 }
3092
3093 /***********************************************************************
3094 * ScriptLayout (USP10.@)
3095 *
3096 * Map embedding levels to visual and/or logical order.
3097 *
3098 * PARAMS
3099 * runs [I] Size of level array.
3100 * level [I] Array of embedding levels.
3101 * vistolog [O] Map of embedding levels from visual to logical order.
3102 * logtovis [O] Map of embedding levels from logical to visual order.
3103 *
3104 * RETURNS
3105 * Success: S_OK
3106 * Failure: Non-zero HRESULT value.
3107 *
3108 * BUGS
3109 * This stub works correctly for any sequence of a single
3110 * embedding level but not for sequences of different
3111 * embedding levels, i.e. mixtures of RTL and LTR scripts.
3112 */
3113 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
3114 {
3115 int* indexs;
3116 int ich;
3117
3118 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
3119
3120 if (!level || (!vistolog && !logtovis))
3121 return E_INVALIDARG;
3122
3123 indexs = heap_alloc(sizeof(int) * runs);
3124 if (!indexs)
3125 return E_OUTOFMEMORY;
3126
3127
3128 if (vistolog)
3129 {
3130 for( ich = 0; ich < runs; ich++)
3131 indexs[ich] = ich;
3132
3133 ich = 0;
3134 while (ich < runs)
3135 ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
3136 for (ich = 0; ich < runs; ich++)
3137 vistolog[ich] = indexs[ich];
3138 }
3139
3140
3141 if (logtovis)
3142 {
3143 for( ich = 0; ich < runs; ich++)
3144 indexs[ich] = ich;
3145
3146 ich = 0;
3147 while (ich < runs)
3148 ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
3149 for (ich = 0; ich < runs; ich++)
3150 logtovis[ich] = indexs[ich];
3151 }
3152 heap_free(indexs);
3153
3154 return S_OK;
3155 }
3156
3157 /***********************************************************************
3158 * ScriptStringGetLogicalWidths (USP10.@)
3159 *
3160 * Returns logical widths from a string analysis.
3161 *
3162 * PARAMS
3163 * ssa [I] string analysis.
3164 * piDx [O] logical widths returned.
3165 *
3166 * RETURNS
3167 * Success: S_OK
3168 * Failure: a non-zero HRESULT.
3169 */
3170 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
3171 {
3172 int i, j, next = 0;
3173 StringAnalysis *analysis = ssa;
3174
3175 TRACE("%p, %p\n", ssa, piDx);
3176
3177 if (!analysis) return S_FALSE;
3178 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
3179
3180 for (i = 0; i < analysis->numItems; i++)
3181 {
3182 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
3183 int direction = 1;
3184
3185 if (analysis->pItem[i].a.fRTL && ! analysis->pItem[i].a.fLogicalOrder)
3186 direction = -1;
3187
3188 for (j = 0; j < cChar; j++)
3189 {
3190 int k;
3191 int glyph = analysis->glyphs[i].pwLogClust[j];
3192 int clust_size = get_cluster_size(analysis->glyphs[i].pwLogClust,
3193 cChar, j, direction, NULL, NULL);
3194 int advance = get_glyph_cluster_advance(analysis->glyphs[i].piAdvance, analysis->glyphs[i].psva, analysis->glyphs[i].pwLogClust, analysis->glyphs[i].numGlyphs, cChar, glyph, direction);
3195
3196 for (k = 0; k < clust_size; k++)
3197 {
3198 piDx[next] = advance / clust_size;
3199 next++;
3200 if (k) j++;
3201 }
3202 }
3203 }
3204 return S_OK;
3205 }
3206
3207 /***********************************************************************
3208 * ScriptStringValidate (USP10.@)
3209 *
3210 * Validate a string analysis.
3211 *
3212 * PARAMS
3213 * ssa [I] string analysis.
3214 *
3215 * RETURNS
3216 * Success: S_OK
3217 * Failure: S_FALSE if invalid sequences are found
3218 * or a non-zero HRESULT if it fails.
3219 */
3220 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
3221 {
3222 StringAnalysis *analysis = ssa;
3223
3224 TRACE("(%p)\n", ssa);
3225
3226 if (!analysis) return E_INVALIDARG;
3227 return (analysis->invalid) ? S_FALSE : S_OK;
3228 }
3229
3230 /***********************************************************************
3231 * ScriptString_pSize (USP10.@)
3232 *
3233 * Retrieve width and height of an analysed string.
3234 *
3235 * PARAMS
3236 * ssa [I] string analysis.
3237 *
3238 * RETURNS
3239 * Success: Pointer to a SIZE structure.
3240 * Failure: NULL
3241 */
3242 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
3243 {
3244 int i, j;
3245 StringAnalysis *analysis = ssa;
3246
3247 TRACE("(%p)\n", ssa);
3248
3249 if (!analysis) return NULL;
3250 if (!(analysis->dwFlags & SSA_GLYPHS)) return NULL;
3251
3252 if (!analysis->sz)
3253 {
3254 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
3255 analysis->sz->cy = analysis->glyphs[0].sc->tm.tmHeight;
3256
3257 analysis->sz->cx = 0;
3258 for (i = 0; i < analysis->numItems; i++)
3259 {
3260 if (analysis->glyphs[i].sc->tm.tmHeight > analysis->sz->cy)
3261 analysis->sz->cy = analysis->glyphs[i].sc->tm.tmHeight;
3262 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
3263 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
3264 }
3265 }
3266 return analysis->sz;
3267 }
3268
3269 /***********************************************************************
3270 * ScriptString_pLogAttr (USP10.@)
3271 *
3272 * Retrieve logical attributes of an analysed string.
3273 *
3274 * PARAMS
3275 * ssa [I] string analysis.
3276 *
3277 * RETURNS
3278 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
3279 * Failure: NULL
3280 */
3281 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
3282 {
3283 StringAnalysis *analysis = ssa;
3284
3285 TRACE("(%p)\n", ssa);
3286
3287 if (!analysis) return NULL;
3288 if (!(analysis->dwFlags & SSA_BREAK)) return NULL;
3289 return analysis->logattrs;
3290 }
3291
3292 /***********************************************************************
3293 * ScriptString_pcOutChars (USP10.@)
3294 *
3295 * Retrieve the length of a string after clipping.
3296 *
3297 * PARAMS
3298 * ssa [I] String analysis.
3299 *
3300 * RETURNS
3301 * Success: Pointer to the length.
3302 * Failure: NULL
3303 */
3304 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
3305 {
3306 StringAnalysis *analysis = ssa;
3307
3308 TRACE("(%p)\n", ssa);
3309
3310 if (!analysis) return NULL;
3311 return &analysis->clip_len;
3312 }
3313
3314 /***********************************************************************
3315 * ScriptStringGetOrder (USP10.@)
3316 *
3317 * Retrieve a glyph order map.
3318 *
3319 * PARAMS
3320 * ssa [I] String analysis.
3321 * order [I/O] Array of glyph positions.
3322 *
3323 * RETURNS
3324 * Success: S_OK
3325 * Failure: a non-zero HRESULT.
3326 */
3327 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
3328 {
3329 int i, j;
3330 unsigned int k;
3331 StringAnalysis *analysis = ssa;
3332
3333 TRACE("(%p)\n", ssa);
3334
3335 if (!analysis) return S_FALSE;
3336 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
3337
3338 /* FIXME: handle RTL scripts */
3339 for (i = 0, k = 0; i < analysis->numItems; i++)
3340 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
3341 order[k] = k;
3342
3343 return S_OK;
3344 }
3345
3346 /***********************************************************************
3347 * ScriptGetLogicalWidths (USP10.@)
3348 *
3349 * Convert advance widths to logical widths.
3350 *
3351 * PARAMS
3352 * sa [I] Script analysis.
3353 * nbchars [I] Number of characters.
3354 * nbglyphs [I] Number of glyphs.
3355 * glyph_width [I] Array of glyph widths.
3356 * log_clust [I] Array of logical clusters.
3357 * sva [I] Visual attributes.
3358 * widths [O] Array of logical widths.
3359 *
3360 * RETURNS
3361 * Success: S_OK
3362 * Failure: a non-zero HRESULT.
3363 */
3364 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
3365 const int *glyph_width, const WORD *log_clust,
3366 const SCRIPT_VISATTR *sva, int *widths)
3367 {
3368 int i;
3369
3370 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
3371 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
3372
3373 /* FIXME */
3374 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
3375 return S_OK;
3376 }
3377
3378 /***********************************************************************
3379 * ScriptApplyLogicalWidth (USP10.@)
3380 *
3381 * Generate glyph advance widths.
3382 *
3383 * PARAMS
3384 * dx [I] Array of logical advance widths.
3385 * num_chars [I] Number of characters.
3386 * num_glyphs [I] Number of glyphs.
3387 * log_clust [I] Array of logical clusters.
3388 * sva [I] Visual attributes.
3389 * advance [I] Array of glyph advance widths.
3390 * sa [I] Script analysis.
3391 * abc [I/O] Summed ABC widths.
3392 * justify [O] Array of glyph advance widths.
3393 *
3394 * RETURNS
3395 * Success: S_OK
3396 * Failure: a non-zero HRESULT.
3397 */
3398 HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs,
3399 const WORD *log_clust, const SCRIPT_VISATTR *sva,
3400 const int *advance, const SCRIPT_ANALYSIS *sa,
3401 ABC *abc, int *justify)
3402 {
3403 int i;
3404
3405 FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n",
3406 dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify);
3407
3408 for (i = 0; i < num_chars; i++) justify[i] = advance[i];
3409 return S_OK;
3410 }
3411
3412 HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance,
3413 int num_glyphs, int dx, int min_kashida, int *justify)
3414 {
3415 int i;
3416
3417 FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify);
3418
3419 for (i = 0; i < num_glyphs; i++) justify[i] = advance[i];
3420 return S_OK;
3421 }
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