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usp10: Add Canadian Aboriginal Syllabics script.
[wine.git] / dlls / usp10 / usp10.c
blob4d0e52b2ee09475b7a7822e9355d1cad92c4646c
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 { Script_Latin, 0x80, 0x2af , Script_Numeric2, Script_Punctuation},
61 /* Combining Diacritical Marks : U+0300–U+036F */
62 { Script_Diacritical,0x300, 0x36f, 0, 0},
63 /* Greek: U+0370–U+03FF */
64 { Script_Greek, 0x370, 0x3ff, 0, 0},
65 /* Cyrillic: U+0400–U+04FF */
66 /* Cyrillic Supplement: U+0500–U+052F */
67 { Script_Cyrillic, 0x400, 0x52f, 0, 0},
68 /* Armenian: U+0530–U+058F */
69 { Script_Armenian, 0x530, 0x58f, 0, 0},
70 /* Hebrew: U+0590–U+05FF */
71 { Script_Hebrew, 0x590, 0x5ff, 0, 0},
72 /* Arabic: U+0600–U+06FF */
73 { Script_Arabic, 0x600, 0x6ef, Script_Arabic_Numeric, 0},
74 /* Defined by Windows */
75 { Script_Persian, 0x6f0, 0x6f9, 0, 0},
76 /* Continue Arabic: U+0600–U+06FF */
77 { Script_Arabic, 0x6fa, 0x6ff, 0, 0},
78 /* Syriac: U+0700–U+074F*/
79 { Script_Syriac, 0x700, 0x74f, 0, 0},
80 /* Arabic Supplement: U+0750–U+077F */
81 { Script_Arabic, 0x750, 0x77f, 0, 0},
82 /* Thaana: U+0780–U+07BF */
83 { Script_Thaana, 0x780, 0x7bf, 0, 0},
84 /* N’Ko: U+07C0–U+07FF */
85 { Script_NKo, 0x7c0, 0x7ff, 0, 0},
86 /* Devanagari: U+0900–U+097F */
87 { Script_Devanagari, 0x900, 0x97f, Script_Devanagari_Numeric, 0},
88 /* Bengali: U+0980–U+09FF */
89 { Script_Bengali, 0x980, 0x9ff, Script_Bengali_Numeric, 0},
90 /* Gurmukhi: U+0A00–U+0A7F*/
91 { Script_Gurmukhi, 0xa00, 0xa7f, Script_Gurmukhi_Numeric, 0},
92 /* Gujarati: U+0A80–U+0AFF*/
93 { Script_Gujarati, 0xa80, 0xaff, Script_Gujarati_Numeric, 0},
94 /* Oriya: U+0B00–U+0B7F */
95 { Script_Oriya, 0xb00, 0xb7f, Script_Oriya_Numeric, 0},
96 /* Tamil: U+0B80–U+0BFF */
97 { Script_Tamil, 0xb80, 0xbff, Script_Tamil_Numeric, 0},
98 /* Telugu: U+0C00–U+0C7F */
99 { Script_Telugu, 0xc00, 0xc7f, Script_Telugu_Numeric, 0},
100 /* Kannada: U+0C80–U+0CFF */
101 { Script_Kannada, 0xc80, 0xcff, Script_Kannada_Numeric, 0},
102 /* Malayalam: U+0D00–U+0D7F */
103 { Script_Malayalam, 0xd00, 0xd7f, Script_Malayalam_Numeric, 0},
104 /* Sinhala: U+0D80–U+0DFF */
105 { Script_Sinhala, 0xd80, 0xdff, 0, 0},
106 /* Thai: U+0E00–U+0E7F */
107 { Script_Thai, 0xe00, 0xe7f, Script_Thai_Numeric, 0},
108 /* Lao: U+0E80–U+0EFF */
109 { Script_Lao, 0xe80, 0xeff, Script_Lao_Numeric, 0},
110 /* Tibetan: U+0F00–U+0FFF */
111 { Script_Tibetan, 0xf00, 0xfff, 0, 0},
112 /* Myanmar: U+1000–U+109F */
113 { Script_Myanmar, 0x1000, 0x109f, Script_Myanmar_Numeric, 0},
114 /* Georgian: U+10A0–U+10FF */
115 { Script_Georgian, 0x10a0, 0x10ff, 0, 0},
116 /* Hangul Jamo: U+1100–U+11FF */
117 { Script_Hangul, 0x1100, 0x11ff, 0, 0},
118 /* Ethiopic: U+1200–U+137F */
119 /* Ethiopic Extensions: U+1380–U+139F */
120 { Script_Ethiopic, 0x1200, 0x139f, 0, 0},
121 /* Cherokee: U+13A0–U+13FF */
122 { Script_Cherokee, 0x13a0, 0x13ff, 0, 0},
123 /* Canadian Aboriginal Syllabics: U+1400–U+167F */
124 { Script_Canadian, 0x1400, 0x167f, 0, 0},
125 /* Khmer: U+1780–U+17FF */
126 { Script_Khmer, 0x1780, 0x17ff, Script_Khmer_Numeric, 0},
127 /* Mongolian: U+1800–U+18AF */
128 { Script_Mongolian, 0x1800, 0x18af, Script_Mongolian_Numeric, 0},
129 /* Canadian Aboriginal Syllabics Extended: U+18B0–U+18FF */
130 { Script_Canadian, 0x18b0, 0x18ff, 0, 0},
131 /* Tai Le: U+1950–U+197F */
132 { Script_Tai_Le, 0x1950, 0x197f, 0, 0},
133 /* New Tai Lue: U+1980–U+19DF */
134 { Script_New_Tai_Lue,0x1980, 0x19df, Script_New_Tai_Lue_Numeric, 0},
135 /* Khmer Symbols: U+19E0–U+19FF */
136 { Script_Khmer, 0x19e0, 0x19ff, Script_Khmer_Numeric, 0},
137 /* Vedic Extensions: U+1CD0-U+1CFF */
138 { Script_Devanagari, 0x1cd0, 0x1cff, Script_Devanagari_Numeric, 0},
139 /* Phonetic Extensions: U+1D00–U+1DBF */
140 { Script_Latin, 0x1d00, 0x1dbf, 0, 0},
141 /* Combining Diacritical Marks Supplement: U+1DC0–U+1DFF */
142 { Script_Diacritical,0x1dc0, 0x1dff, 0, 0},
143 /* Latin Extended Additional: U+1E00–U+1EFF */
144 { Script_Latin, 0x1e00, 0x1eff, 0, 0},
145 /* Greek Extended: U+1F00–U+1FFF */
146 { Script_Greek, 0x1f00, 0x1fff, 0, 0},
147 /* General Punctuation: U+2000 –U+206f */
148 { Script_Latin, 0x2000, 0x206f, 0, 0},
149 /* Superscripts and Subscripts : U+2070 –U+209f */
150 /* Currency Symbols : U+20a0 –U+20cf */
151 { Script_Numeric2, 0x2070, 0x2070, 0, 0},
152 { Script_Latin, 0x2071, 0x2073, 0, 0},
153 { Script_Numeric2, 0x2074, 0x2079, 0, 0},
154 { Script_Latin, 0x207a, 0x207f, 0, 0},
155 { Script_Numeric2, 0x2080, 0x2089, 0, 0},
156 { Script_Latin, 0x208a, 0x20cf, 0, 0},
157 /* Letterlike Symbols : U+2100 –U+214f */
158 /* Number Forms : U+2150 –U+218f */
159 /* Arrows : U+2190 –U+21ff */
160 /* Mathematical Operators : U+2200 –U+22ff */
161 /* Miscellaneous Technical : U+2300 –U+23ff */
162 /* Control Pictures : U+2400 –U+243f */
163 /* Optical Character Recognition : U+2440 –U+245f */
164 /* Enclosed Alphanumerics : U+2460 –U+24ff */
165 /* Box Drawing : U+2500 –U+25ff */
166 /* Block Elements : U+2580 –U+259f */
167 /* Geometric Shapes : U+25a0 –U+25ff */
168 /* Miscellaneous Symbols : U+2600 –U+26ff */
169 /* Dingbats : U+2700 –U+27bf */
170 /* Miscellaneous Mathematical Symbols-A : U+27c0 –U+27ef */
171 /* Supplemental Arrows-A : U+27f0 –U+27ff */
172 { Script_Latin, 0x2100, 0x27ff, 0, 0},
173 /* Supplemental Arrows-B : U+2900 –U+297f */
174 /* Miscellaneous Mathematical Symbols-B : U+2980 –U+29ff */
175 /* Supplemental Mathematical Operators : U+2a00 –U+2aff */
176 /* Miscellaneous Symbols and Arrows : U+2b00 –U+2bff */
177 { Script_Latin, 0x2900, 0x2bff, 0, 0},
178 /* Latin Extended-C: U+2C60–U+2C7F */
179 { Script_Latin, 0x2c60, 0x2c7f, 0, 0},
180 /* Georgian: U+2D00–U+2D2F */
181 { Script_Georgian, 0x2d00, 0x2d2f, 0, 0},
182 /* Tifinagh: U+2D30–U+2D7F */
183 { Script_Tifinagh, 0x2d30, 0x2d7f, 0, 0},
184 /* Ethiopic Extensions: U+2D80–U+2DDF */
185 { Script_Ethiopic, 0x2d80, 0x2ddf, 0, 0},
186 /* Cyrillic Extended-A: U+2DE0–U+2DFF */
187 { Script_Cyrillic, 0x2de0, 0x2dff, 0, 0},
188 /* CJK Radicals Supplement: U+2E80–U+2EFF */
189 /* Kangxi Radicals: U+2F00–U+2FDF */
190 { Script_CJK_Han, 0x2e80, 0x2fdf, 0, 0},
191 /* Ideographic Description Characters: U+2FF0–U+2FFF */
192 { Script_Ideograph ,0x2ff0, 0x2fff, 0, 0},
193 /* CJK Symbols and Punctuation: U+3000–U+303F */
194 { Script_Ideograph ,0x3000, 0x3004, 0, 0},
195 { Script_CJK_Han ,0x3005, 0x3005, 0, 0},
196 { Script_Ideograph ,0x3006, 0x3006, 0, 0},
197 { Script_CJK_Han ,0x3007, 0x3007, 0, 0},
198 { Script_Ideograph ,0x3008, 0x3020, 0, 0},
199 { Script_CJK_Han ,0x3021, 0x3029, 0, 0},
200 { Script_Ideograph ,0x302a, 0x3030, 0, 0},
201 /* Kana Marks: */
202 { Script_Kana ,0x3031, 0x3035, 0, 0},
203 { Script_Ideograph ,0x3036, 0x3037, 0, 0},
204 { Script_CJK_Han ,0x3038, 0x303b, 0, 0},
205 { Script_Ideograph ,0x303c, 0x303f, 0, 0},
206 /* Hiragana: U+3040–U+309F */
207 /* Katakana: U+30A0–U+30FF */
208 { Script_Kana ,0x3040, 0x30ff, 0, 0},
209 /* Bopomofo: U+3100–U+312F */
210 { Script_Bopomofo ,0x3100, 0x312f, 0, 0},
211 /* Hangul Compatibility Jamo: U+3130–U+318F */
212 { Script_Hangul ,0x3130, 0x318f, 0, 0},
213 /* Kanbun: U+3190–U+319F */
214 { Script_Ideograph ,0x3190, 0x319f, 0, 0},
215 /* Bopomofo Extended: U+31A0–U+31BF */
216 { Script_Bopomofo ,0x31a0, 0x31bf, 0, 0},
217 /* CJK Strokes: U+31C0–U+31EF */
218 { Script_Ideograph ,0x31c0, 0x31ef, 0, 0},
219 /* Katakana Phonetic Extensions: U+31F0–U+31FF */
220 { Script_Kana ,0x31f0, 0x31ff, 0, 0},
221 /* Enclosed CJK Letters and Months: U+3200–U+32FF */
222 { Script_Hangul ,0x3200, 0x321f, 0, 0},
223 { Script_Ideograph ,0x3220, 0x325f, 0, 0},
224 { Script_Hangul ,0x3260, 0x327f, 0, 0},
225 { Script_Ideograph ,0x3280, 0x32ef, 0, 0},
226 { Script_Kana ,0x32d0, 0x31ff, 0, 0},
227 /* CJK Compatibility: U+3300–U+33FF*/
228 { Script_Kana ,0x3300, 0x3357, 0, 0},
229 { Script_Ideograph ,0x3358, 0x33ff, 0, 0},
230 /* CJK Unified Ideographs Extension A: U+3400–U+4DBF */
231 { Script_CJK_Han ,0x3400, 0x4dbf, 0, 0},
232 /* CJK Unified Ideographs: U+4E00–U+9FFF */
233 { Script_CJK_Han ,0x4e00, 0x9fff, 0, 0},
234 /* Yi: U+A000–U+A4CF */
235 { Script_Yi ,0xa000, 0xa4cf, 0, 0},
236 /* Vai: U+A500–U+A63F */
237 { Script_Vai ,0xa500, 0xa63f, Script_Vai_Numeric, 0},
238 /* Cyrillic Extended-B: U+A640–U+A69F */
239 { Script_Cyrillic, 0xa640, 0xa69f, 0, 0},
240 /* Modifier Tone Letters: U+A700–U+A71F */
241 /* Latin Extended-D: U+A720–U+A7FF */
242 { Script_Latin, 0xa700, 0xa7ff, 0, 0},
243 /* Phags-pa: U+A840–U+A87F */
244 { Script_Phags_pa, 0xa840, 0xa87f, 0, 0},
245 /* Devanagari Extended: U+A8E0-U+A8FF */
246 { Script_Devanagari, 0xa8e0, 0xa8ff, Script_Devanagari_Numeric, 0},
247 /* Myanmar Extended-A: U+AA60–U+AA7F */
248 { Script_Myanmar, 0xaa60, 0xaa7f, Script_Myanmar_Numeric, 0},
249 /* Hangul Jamo Extended-A: U+A960–U+A97F */
250 { Script_Hangul, 0xa960, 0xa97f, 0, 0},
251 /* Hangul Syllables: U+AC00–U+D7A3 */
252 { Script_Hangul, 0xac00, 0xd7a3, 0, 0},
253 /* Hangul Jamo Extended-B: U+D7B0–U+D7FF */
254 { Script_Hangul, 0xd7b0, 0xd7ff, 0, 0},
255 /* CJK Compatibility Ideographs: U+F900–U+FAFF */
256 { Script_CJK_Han ,0xf900, 0xfaff, 0, 0},
257 /* Latin Ligatures: U+FB00–U+FB06 */
258 { Script_Latin, 0xfb00, 0xfb06, 0, 0},
259 /* Armenian ligatures U+FB13..U+FB17 */
260 { Script_Armenian, 0xfb13, 0xfb17, 0, 0},
261 /* Alphabetic Presentation Forms: U+FB1D–U+FB4F */
262 { Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0},
263 /* Arabic Presentation Forms-A: U+FB50–U+FDFF*/
264 { Script_Arabic, 0xfb50, 0xfdff, 0, 0},
265 /* Vertical Forms: U+FE10–U+FE1F */
266 /* Combining Half Marks: U+FE20–U+FE2F */
267 /* CJK Compatibility Forms: U+FE30–U+FE4F */
268 /* Small Form Variants: U+FE50–U+FE6F */
269 { Script_Ideograph ,0xfe10, 0xfe6f, 0, 0},
270 /* Arabic Presentation Forms-B: U+FE70–U+FEFF*/
271 { Script_Arabic, 0xfe70, 0xfeff, 0, 0},
272 /* Halfwidth and Fullwidth Forms: U+FF00–FFEF */
273 { Script_Ideograph ,0xff00, 0xff64, Script_Numeric2, 0},
274 { Script_Kana ,0xff65, 0xff9f, 0, 0},
275 { Script_Hangul ,0xffa0, 0xffdf, 0, 0},
276 { Script_Ideograph ,0xffe0, 0xffef, 0, 0},
277 /* END */
278 { SCRIPT_UNDEFINED, 0, 0, 0}
279 };
280
281 typedef struct _scriptData
282 {
283 SCRIPT_ANALYSIS a;
284 SCRIPT_PROPERTIES props;
285 OPENTYPE_TAG scriptTag;
286 WCHAR fallbackFont[LF_FACESIZE];
287 } scriptData;
288
289 /* the must be in order so that the index matches the Script value */
290 static const scriptData scriptInformation[] = {
291 {{SCRIPT_UNDEFINED, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
292 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
293 0x00000000,
294 {0}},
295 {{Script_Latin, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
296 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
297 MS_MAKE_TAG('l','a','t','n'),
298 {0}},
299 {{Script_CR, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
300 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
301 0x00000000,
302 {0}},
303 {{Script_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
304 {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
305 0x00000000,
306 {0}},
307 {{Script_Control, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
308 {LANG_ENGLISH, 0, 1, 0, 0, ANSI_CHARSET, 1, 0, 0, 0, 0, 0, 1, 0, 0},
309 0x00000000,
310 {0}},
311 {{Script_Punctuation, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
312 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
313 0x00000000,
314 {0}},
315 {{Script_Arabic, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
316 {LANG_ARABIC, 0, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 1, 0},
317 MS_MAKE_TAG('a','r','a','b'),
318 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
319 {{Script_Arabic_Numeric, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
320 {LANG_ARABIC, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
321 MS_MAKE_TAG('a','r','a','b'),
322 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
323 {{Script_Hebrew, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
324 {LANG_HEBREW, 0, 1, 0, 1, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
325 MS_MAKE_TAG('h','e','b','r'),
326 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
327 {{Script_Syriac, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
328 {LANG_SYRIAC, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 1, 0},
329 MS_MAKE_TAG('s','y','r','c'),
330 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
331 {{Script_Persian, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
332 {LANG_PERSIAN, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
333 MS_MAKE_TAG('s','y','r','c'),
334 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
335 {{Script_Thaana, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
336 {LANG_DIVEHI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
337 MS_MAKE_TAG('t','h','a','a'),
338 {'M','V',' ','B','o','l','i',0}},
339 {{Script_Greek, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
340 {LANG_GREEK, 0, 0, 0, 0, GREEK_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
341 MS_MAKE_TAG('g','r','e','k'),
342 {0}},
343 {{Script_Cyrillic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
344 {LANG_RUSSIAN, 0, 0, 0, 0, RUSSIAN_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
345 MS_MAKE_TAG('c','y','r','l'),
346 {0}},
347 {{Script_Armenian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
348 {LANG_ARMENIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
349 MS_MAKE_TAG('a','r','m','n'),
350 {'S','y','l','f','a','e','n',0}},
351 {{Script_Georgian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
352 {LANG_GEORGIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
353 MS_MAKE_TAG('g','e','o','r'),
354 {'S','y','l','f','a','e','n',0}},
355 {{Script_Sinhala, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
356 {LANG_SINHALESE, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
357 MS_MAKE_TAG('s','i','n','h'),
358 {'I','s','k','o','o','l','a',' ','P','o','t','a',0}},
359 {{Script_Tibetan, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
360 {LANG_TIBETAN, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
361 MS_MAKE_TAG('t','i','b','t'),
362 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
363 {{Script_Tibetan_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
364 {LANG_TIBETAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
365 MS_MAKE_TAG('t','i','b','t'),
366 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
367 {{Script_Phags_pa, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
368 {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
369 MS_MAKE_TAG('p','h','a','g'),
370 {'M','i','c','r','o','s','o','f','t',' ','P','h','a','g','s','P','a',0}},
371 {{Script_Thai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
372 {LANG_THAI, 0, 1, 1, 1, THAI_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 1},
373 MS_MAKE_TAG('t','h','a','i'),
374 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
375 {{Script_Thai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
376 {LANG_THAI, 1, 1, 0, 0, THAI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
377 MS_MAKE_TAG('t','h','a','i'),
378 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
379 {{Script_Lao, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
380 {LANG_LAO, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
381 MS_MAKE_TAG('l','a','o',' '),
382 {'D','o','k','C','h','a','m','p','a',0}},
383 {{Script_Lao_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
384 {LANG_LAO, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
385 MS_MAKE_TAG('l','a','o',' '),
386 {'D','o','k','C','h','a','m','p','a',0}},
387 {{Script_Devanagari, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
388 {LANG_HINDI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
389 MS_MAKE_TAG('d','e','v','a'),
390 {'M','a','n','g','a','l',0}},
391 {{Script_Devanagari_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
392 {LANG_HINDI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
393 MS_MAKE_TAG('d','e','v','a'),
394 {'M','a','n','g','a','l',0}},
395 {{Script_Bengali, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
396 {LANG_BENGALI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
397 MS_MAKE_TAG('b','e','n','g'),
398 {'V','r','i','n','d','a',0}},
399 {{Script_Bengali_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
400 {LANG_BENGALI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
401 MS_MAKE_TAG('b','e','n','g'),
402 {'V','r','i','n','d','a',0}},
403 {{Script_Bengali_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
404 {LANG_BENGALI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
405 MS_MAKE_TAG('b','e','n','g'),
406 {'V','r','i','n','d','a',0}},
407 {{Script_Gurmukhi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
408 {LANG_PUNJABI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
409 MS_MAKE_TAG('g','u','r','u'),
410 {'R','a','a','v','i',0}},
411 {{Script_Gurmukhi_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
412 {LANG_PUNJABI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
413 MS_MAKE_TAG('g','u','r','u'),
414 {'R','a','a','v','i',0}},
415 {{Script_Gujarati, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
416 {LANG_GUJARATI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
417 MS_MAKE_TAG('g','u','j','r'),
418 {'S','h','r','u','t','i',0}},
419 {{Script_Gujarati_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
420 {LANG_GUJARATI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
421 MS_MAKE_TAG('g','u','j','r'),
422 {'S','h','r','u','t','i',0}},
423 {{Script_Gujarati_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
424 {LANG_GUJARATI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
425 MS_MAKE_TAG('g','u','j','r'),
426 {'S','h','r','u','t','i',0}},
427 {{Script_Oriya, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
428 {LANG_ORIYA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
429 MS_MAKE_TAG('o','r','y','a'),
430 {'K','a','l','i','n','g','a',0}},
431 {{Script_Oriya_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
432 {LANG_ORIYA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
433 MS_MAKE_TAG('o','r','y','a'),
434 {'K','a','l','i','n','g','a',0}},
435 {{Script_Tamil, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
436 {LANG_TAMIL, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
437 MS_MAKE_TAG('t','a','m','l'),
438 {'L','a','t','h','a',0}},
439 {{Script_Tamil_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
440 {LANG_TAMIL, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
441 MS_MAKE_TAG('t','a','m','l'),
442 {'L','a','t','h','a',0}},
443 {{Script_Telugu, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
444 {LANG_TELUGU, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
445 MS_MAKE_TAG('t','e','l','u'),
446 {'G','a','u','t','a','m','i',0}},
447 {{Script_Telugu_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
448 {LANG_TELUGU, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
449 MS_MAKE_TAG('t','e','l','u'),
450 {'G','a','u','t','a','m','i',0}},
451 {{Script_Kannada, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
452 {LANG_KANNADA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
453 MS_MAKE_TAG('k','n','d','a'),
454 {'T','u','n','g','a',0}},
455 {{Script_Kannada_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
456 {LANG_KANNADA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
457 MS_MAKE_TAG('k','n','d','a'),
458 {'T','u','n','g','a',0}},
459 {{Script_Malayalam, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
460 {LANG_MALAYALAM, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
461 MS_MAKE_TAG('m','l','y','m'),
462 {'K','a','r','t','i','k','a',0}},
463 {{Script_Malayalam_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
464 {LANG_MALAYALAM, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
465 MS_MAKE_TAG('m','l','y','m'),
466 {'K','a','r','t','i','k','a',0}},
467 {{Script_Diacritical, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
468 {LANG_ENGLISH, 0, 1, 0, 1, ANSI_CHARSET, 0, 0, 0, 0, 0, 1, 1, 0, 0},
469 0x00000000,
470 {0}},
471 {{Script_Punctuation2, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
472 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
473 MS_MAKE_TAG('l','a','t','n'),
474 {0}},
475 {{Script_Numeric2, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
476 {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
477 0x00000000,
478 {0}},
479 {{Script_Myanmar, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
480 {0x55, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
481 MS_MAKE_TAG('m','y','m','r'),
482 {0}},
483 {{Script_Myanmar_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
484 {0x55, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
485 MS_MAKE_TAG('m','y','m','r'),
486 {0}},
487 {{Script_Tai_Le, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
488 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
489 MS_MAKE_TAG('t','a','l','e'),
490 {'M','i','c','r','o','s','o','f','t',' ','T','a','i',' ','L','e'}},
491 {{Script_New_Tai_Lue, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
492 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
493 MS_MAKE_TAG('t','a','l','u'),
494 {'M','i','c','r','o','s','o','f','t',' ','N','e','w',' ','T','a','i',' ','L','u','e'}},
495 {{Script_New_Tai_Lue_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
496 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
497 MS_MAKE_TAG('t','a','l','u'),
498 {'M','i','c','r','o','s','o','f','t',' ','N','e','w',' ','T','a','i',' ','L','u','e'}},
499 {{Script_Khmer, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
500 {0x53, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
501 MS_MAKE_TAG('k','h','m','r'),
502 {'D','a','u','n','P','e','n','h'}},
503 {{Script_Khmer, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
504 {0x53, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
505 MS_MAKE_TAG('k','h','m','r'),
506 {'D','a','u','n','P','e','n','h'}},
507 {{Script_CJK_Han, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
508 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
509 MS_MAKE_TAG('h','a','n','i'),
510 {0}},
511 {{Script_Ideograph, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
512 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
513 MS_MAKE_TAG('h','a','n','i'),
514 {0}},
515 {{Script_Bopomofo, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
516 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
517 MS_MAKE_TAG('b','o','p','o'),
518 {0}},
519 {{Script_Kana, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
520 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
521 MS_MAKE_TAG('k','a','n','a'),
522 {0}},
523 {{Script_Hangul, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
524 {LANG_KOREAN, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
525 MS_MAKE_TAG('h','a','n','g'),
526 {0}},
527 {{Script_Yi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
528 {LANG_ENGLISH, 0, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
529 MS_MAKE_TAG('y','i',' ',' '),
530 {'M','i','c','r','o','s','o','f','t',' ','Y','i',' ','B','a','i','t','i'}},
531 {{Script_Ethiopic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
532 {0x5e, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
533 MS_MAKE_TAG('e','t','h','i'),
534 {'N','y','a','l','a'}},
535 {{Script_Ethiopic_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
536 {0x5e, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
537 MS_MAKE_TAG('e','t','h','i'),
538 {'N','y','a','l','a'}},
539 {{Script_Mongolian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
540 {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
541 MS_MAKE_TAG('m','o','n','g'),
542 {'M','o','n','g','o','l','i','a','n',' ','B','a','i','t','i'}},
543 {{Script_Mongolian_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
544 {LANG_MONGOLIAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
545 MS_MAKE_TAG('m','o','n','g'),
546 {'M','o','n','g','o','l','i','a','n',' ','B','a','i','t','i'}},
547 {{Script_Tifinagh, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
548 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
549 MS_MAKE_TAG('t','f','n','g'),
550 {'E','b','r','i','m','a'}},
551 {{Script_NKo, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
552 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
553 MS_MAKE_TAG('n','k','o',' '),
554 {0}},
555 {{Script_Vai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
556 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
557 MS_MAKE_TAG('v','a','i',' '),
558 {'E','b','r','i','m','a'}},
559 {{Script_Vai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
560 {0, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
561 MS_MAKE_TAG('v','a','i',' '),
562 {'E','b','r','i','m','a'}},
563 {{Script_Cherokee, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
564 {0x5c, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
565 MS_MAKE_TAG('c','h','e','r'),
566 {'P','l','a','n','t','a','g','e','n','e','t',' ','C','h','e','r','o','k','e','e'}},
567 {{Script_Canadian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
568 {0x5d, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
569 MS_MAKE_TAG('c','a','n','s'),
570 {'E','u','p','h','e','m','i','a'}},
571 };
572
573 static const SCRIPT_PROPERTIES *script_props[] =
574 {
575 &scriptInformation[0].props, &scriptInformation[1].props,
576 &scriptInformation[2].props, &scriptInformation[3].props,
577 &scriptInformation[4].props, &scriptInformation[5].props,
578 &scriptInformation[6].props, &scriptInformation[7].props,
579 &scriptInformation[8].props, &scriptInformation[9].props,
580 &scriptInformation[10].props, &scriptInformation[11].props,
581 &scriptInformation[12].props, &scriptInformation[13].props,
582 &scriptInformation[14].props, &scriptInformation[15].props,
583 &scriptInformation[16].props, &scriptInformation[17].props,
584 &scriptInformation[18].props, &scriptInformation[19].props,
585 &scriptInformation[20].props, &scriptInformation[21].props,
586 &scriptInformation[22].props, &scriptInformation[23].props,
587 &scriptInformation[24].props, &scriptInformation[25].props,
588 &scriptInformation[26].props, &scriptInformation[27].props,
589 &scriptInformation[28].props, &scriptInformation[29].props,
590 &scriptInformation[30].props, &scriptInformation[31].props,
591 &scriptInformation[32].props, &scriptInformation[33].props,
592 &scriptInformation[34].props, &scriptInformation[35].props,
593 &scriptInformation[36].props, &scriptInformation[37].props,
594 &scriptInformation[38].props, &scriptInformation[39].props,
595 &scriptInformation[40].props, &scriptInformation[41].props,
596 &scriptInformation[42].props, &scriptInformation[43].props,
597 &scriptInformation[44].props, &scriptInformation[45].props,
598 &scriptInformation[46].props, &scriptInformation[47].props,
599 &scriptInformation[48].props, &scriptInformation[49].props,
600 &scriptInformation[50].props, &scriptInformation[51].props,
601 &scriptInformation[52].props, &scriptInformation[53].props,
602 &scriptInformation[54].props, &scriptInformation[55].props,
603 &scriptInformation[56].props, &scriptInformation[57].props,
604 &scriptInformation[58].props, &scriptInformation[59].props,
605 &scriptInformation[60].props, &scriptInformation[61].props,
606 &scriptInformation[62].props, &scriptInformation[63].props,
607 &scriptInformation[64].props, &scriptInformation[65].props,
608 &scriptInformation[66].props, &scriptInformation[67].props,
609 &scriptInformation[68].props, &scriptInformation[69].props
610 };
611
612 typedef struct {
613 ScriptCache *sc;
614 int numGlyphs;
615 WORD* glyphs;
616 WORD* pwLogClust;
617 int* piAdvance;
618 SCRIPT_VISATTR* psva;
619 GOFFSET* pGoffset;
620 ABC* abc;
621 int iMaxPosX;
622 HFONT fallbackFont;
623 } StringGlyphs;
624
625 typedef struct {
626 HDC hdc;
627 DWORD dwFlags;
628 BOOL invalid;
629 int clip_len;
630 int cItems;
631 int cMaxGlyphs;
632 SCRIPT_ITEM* pItem;
633 int numItems;
634 StringGlyphs* glyphs;
635 SCRIPT_LOGATTR* logattrs;
636 SIZE* sz;
637 int* logical2visual;
638 } StringAnalysis;
639
640 static inline void *heap_alloc(SIZE_T size)
641 {
642 return HeapAlloc(GetProcessHeap(), 0, size);
643 }
644
645 static inline void *heap_alloc_zero(SIZE_T size)
646 {
647 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
648 }
649
650 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
651 {
652 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
653 }
654
655 static inline BOOL heap_free(LPVOID mem)
656 {
657 return HeapFree(GetProcessHeap(), 0, mem);
658 }
659
660 static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
661 {
662 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
663 }
664
665 static inline LONG get_cache_height(SCRIPT_CACHE *psc)
666 {
667 return ((ScriptCache *)*psc)->tm.tmHeight;
668 }
669
670 static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
671 {
672 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
673 }
674
675 static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c)
676 {
677 WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
678
679 if (!block) return 0;
680 return block[c & GLYPH_BLOCK_MASK];
681 }
682
683 static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
684 {
685 WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
686
687 if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
688 return ((*block)[c & GLYPH_BLOCK_MASK] = glyph);
689 }
690
691 static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
692 {
693 static const ABC nil;
694 ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
695
696 if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
697 memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
698 return TRUE;
699 }
700
701 static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
702 {
703 ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
704
705 if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
706 memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
707 return TRUE;
708 }
709
710 static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
711 {
712 ScriptCache *sc;
713
714 if (!psc) return E_INVALIDARG;
715 if (*psc) return S_OK;
716 if (!hdc) return E_PENDING;
717
718 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
719 if (!GetTextMetricsW(hdc, &sc->tm))
720 {
721 heap_free(sc);
722 return E_INVALIDARG;
723 }
724 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
725 {
726 heap_free(sc);
727 return E_INVALIDARG;
728 }
729 sc->sfnt = (GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, NULL, 0)!=GDI_ERROR);
730 *psc = sc;
731 TRACE("<- %p\n", sc);
732 return S_OK;
733 }
734
735 static WCHAR mirror_char( WCHAR ch )
736 {
737 extern const WCHAR wine_mirror_map[];
738 return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
739 }
740
741 static WORD get_char_script( WCHAR ch)
742 {
743 static const WCHAR latin_punc[] = {'#','$','&','\'',',',';','<','>','?','@','\\','^','_','`','{','|','}','~', 0x00a0, 0};
744 WORD type = 0;
745 int i;
746
747 if (ch == 0xc || ch == 0x20 || ch == 0x202f)
748 return Script_CR;
749
750 /* These punctuation are separated out as Latin punctuation */
751 if (strchrW(latin_punc,ch))
752 return Script_Punctuation2;
753
754 /* These chars are itemized as Punctuation by Windows */
755 if (ch == 0x2212 || ch == 0x2044)
756 return Script_Punctuation;
757
758 GetStringTypeW(CT_CTYPE1, &ch, 1, &type);
759
760 if (type == 0)
761 return SCRIPT_UNDEFINED;
762
763 if (type & C1_CNTRL)
764 return Script_Control;
765
766 i = 0;
767 do
768 {
769 if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
770 break;
771
772 if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
773 {
774 if (scriptRanges[i].numericScript && type & C1_DIGIT)
775 return scriptRanges[i].numericScript;
776 if (scriptRanges[i].punctScript && type & C1_PUNCT)
777 return scriptRanges[i].punctScript;
778 return scriptRanges[i].script;
779 }
780 i++;
781 } while (1);
782
783 return SCRIPT_UNDEFINED;
784 }
785
786 /***********************************************************************
787 * DllMain
788 *
789 */
790 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
791 {
792 switch(fdwReason)
793 {
794 case DLL_PROCESS_ATTACH:
795 DisableThreadLibraryCalls(hInstDLL);
796 break;
797 case DLL_PROCESS_DETACH:
798 break;
799 }
800 return TRUE;
801 }
802
803 /***********************************************************************
804 * ScriptFreeCache (USP10.@)
805 *
806 * Free a script cache.
807 *
808 * PARAMS
809 * psc [I/O] Script cache.
810 *
811 * RETURNS
812 * Success: S_OK
813 * Failure: Non-zero HRESULT value.
814 */
815 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
816 {
817 TRACE("%p\n", psc);
818
819 if (psc && *psc)
820 {
821 unsigned int i;
822 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
823 {
824 heap_free(((ScriptCache *)*psc)->glyphs[i]);
825 heap_free(((ScriptCache *)*psc)->widths[i]);
826 }
827 heap_free(((ScriptCache *)*psc)->GSUB_Table);
828 heap_free(((ScriptCache *)*psc)->GDEF_Table);
829 heap_free(((ScriptCache *)*psc)->features);
830 heap_free(*psc);
831 *psc = NULL;
832 }
833 return S_OK;
834 }
835
836 /***********************************************************************
837 * ScriptGetProperties (USP10.@)
838 *
839 * Retrieve a list of script properties.
840 *
841 * PARAMS
842 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
843 * num [I] Pointer to the number of scripts.
844 *
845 * RETURNS
846 * Success: S_OK
847 * Failure: Non-zero HRESULT value.
848 *
849 * NOTES
850 * Behaviour matches WinXP.
851 */
852 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
853 {
854 TRACE("(%p,%p)\n", props, num);
855
856 if (!props && !num) return E_INVALIDARG;
857
858 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
859 if (props) *props = script_props;
860
861 return S_OK;
862 }
863
864 /***********************************************************************
865 * ScriptGetFontProperties (USP10.@)
866 *
867 * Get information on special glyphs.
868 *
869 * PARAMS
870 * hdc [I] Device context.
871 * psc [I/O] Opaque pointer to a script cache.
872 * sfp [O] Font properties structure.
873 */
874 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
875 {
876 HRESULT hr;
877
878 TRACE("%p,%p,%p\n", hdc, psc, sfp);
879
880 if (!sfp) return E_INVALIDARG;
881 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
882
883 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
884 return E_INVALIDARG;
885
886 /* return something sensible? */
887 sfp->wgBlank = 0;
888 sfp->wgDefault = get_cache_default_char(psc);
889 sfp->wgInvalid = 0;
890 sfp->wgKashida = 0xffff;
891 sfp->iKashidaWidth = 0;
892
893 return S_OK;
894 }
895
896 /***********************************************************************
897 * ScriptRecordDigitSubstitution (USP10.@)
898 *
899 * Record digit substitution settings for a given locale.
900 *
901 * PARAMS
902 * locale [I] Locale identifier.
903 * sds [I] Structure to record substitution settings.
904 *
905 * RETURNS
906 * Success: S_OK
907 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
908 *
909 * SEE ALSO
910 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
911 */
912 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
913 {
914 DWORD plgid, sub;
915
916 TRACE("0x%x, %p\n", locale, sds);
917
918 /* This implementation appears to be correct for all languages, but it's
919 * not clear if sds->DigitSubstitute is ever set to anything except
920 * CONTEXT or NONE in reality */
921
922 if (!sds) return E_POINTER;
923
924 locale = ConvertDefaultLocale(locale);
925
926 if (!IsValidLocale(locale, LCID_INSTALLED))
927 return E_INVALIDARG;
928
929 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
930 sds->TraditionalDigitLanguage = plgid;
931
932 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
933 sds->NationalDigitLanguage = plgid;
934 else
935 sds->NationalDigitLanguage = LANG_ENGLISH;
936
937 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
938 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
939
940 switch (sub)
941 {
942 case 0:
943 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
944 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
945 else
946 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
947 break;
948 case 1:
949 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
950 break;
951 case 2:
952 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
953 break;
954 default:
955 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
956 break;
957 }
958
959 sds->dwReserved = 0;
960 return S_OK;
961 }
962
963 /***********************************************************************
964 * ScriptApplyDigitSubstitution (USP10.@)
965 *
966 * Apply digit substitution settings.
967 *
968 * PARAMS
969 * sds [I] Structure with recorded substitution settings.
970 * sc [I] Script control structure.
971 * ss [I] Script state structure.
972 *
973 * RETURNS
974 * Success: S_OK
975 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
976 */
977 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
978 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
979 {
980 SCRIPT_DIGITSUBSTITUTE psds;
981
982 TRACE("%p, %p, %p\n", sds, sc, ss);
983
984 if (!sc || !ss) return E_POINTER;
985 if (!sds)
986 {
987 sds = &psds;
988 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
989 return E_INVALIDARG;
990 }
991
992 sc->uDefaultLanguage = LANG_ENGLISH;
993 sc->fContextDigits = 0;
994 ss->fDigitSubstitute = 0;
995
996 switch (sds->DigitSubstitute) {
997 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
998 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
999 case SCRIPT_DIGITSUBSTITUTE_NONE:
1000 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
1001 return S_OK;
1002 default:
1003 return E_INVALIDARG;
1004 }
1005 }
1006
1007 static inline BOOL is_indic(WORD script)
1008 {
1009 return (script >= Script_Devanagari && script <= Script_Malayalam_Numeric);
1010 }
1011
1012 static inline WORD base_indic(WORD script)
1013 {
1014 switch (script)
1015 {
1016 case Script_Devanagari:
1017 case Script_Devanagari_Numeric: return Script_Devanagari;
1018 case Script_Bengali:
1019 case Script_Bengali_Numeric:
1020 case Script_Bengali_Currency: return Script_Bengali;
1021 case Script_Gurmukhi:
1022 case Script_Gurmukhi_Numeric: return Script_Gurmukhi;
1023 case Script_Gujarati:
1024 case Script_Gujarati_Numeric:
1025 case Script_Gujarati_Currency: return Script_Gujarati;
1026 case Script_Oriya:
1027 case Script_Oriya_Numeric: return Script_Oriya;
1028 case Script_Tamil:
1029 case Script_Tamil_Numeric: return Script_Tamil;
1030 case Script_Telugu:
1031 case Script_Telugu_Numeric: return Script_Telugu;
1032 case Script_Kannada:
1033 case Script_Kannada_Numeric: return Script_Kannada;
1034 case Script_Malayalam:
1035 case Script_Malayalam_Numeric: return Script_Malayalam;
1036 default:
1037 return -1;
1038 };
1039 }
1040
1041 /***********************************************************************
1042 * ScriptItemizeOpenType (USP10.@)
1043 *
1044 * Split a Unicode string into shapeable parts.
1045 *
1046 * PARAMS
1047 * pwcInChars [I] String to split.
1048 * cInChars [I] Number of characters in pwcInChars.
1049 * cMaxItems [I] Maximum number of items to return.
1050 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1051 * psState [I] Pointer to a SCRIPT_STATE structure.
1052 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1053 * pScriptTags [O] Buffer to receive OPENTYPE_TAGs.
1054 * pcItems [O] Number of script items returned.
1055 *
1056 * RETURNS
1057 * Success: S_OK
1058 * Failure: Non-zero HRESULT value.
1059 */
1060 HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1061 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1062 SCRIPT_ITEM *pItems, OPENTYPE_TAG *pScriptTags, int *pcItems)
1063 {
1064
1065 #define Numeric_space 0x0020
1066 #define ZWNJ 0x200C
1067 #define ZWJ 0x200D
1068
1069 int cnt = 0, index = 0, str = 0;
1070 int New_Script = -1;
1071 int i;
1072 WORD *levels = NULL;
1073 WORD *strength = NULL;
1074 WORD *scripts = NULL;
1075 WORD baselevel = 0;
1076 BOOL new_run;
1077 WORD last_indic = -1;
1078 WORD layoutRTL = 0;
1079 BOOL forceLevels = FALSE;
1080
1081 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
1082 psControl, psState, pItems, pcItems);
1083
1084 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
1085 return E_INVALIDARG;
1086
1087 scripts = heap_alloc(cInChars * sizeof(WORD));
1088 if (!scripts)
1089 return E_OUTOFMEMORY;
1090
1091 for (i = 0; i < cInChars; i++)
1092 {
1093 scripts[i] = get_char_script(pwcInChars[i]);
1094 /* Devanagari danda (U+0964) and double danda (U+0965) are used for
1095 all Indic scripts */
1096 if ((pwcInChars[i] == 0x964 || pwcInChars[i] ==0x965) && last_indic > 0)
1097 scripts[i] = last_indic;
1098 else if (is_indic(scripts[i]))
1099 last_indic = base_indic(scripts[i]);
1100
1101 /* Some unicode points (Zero Width Space U+200B -
1102 Right-to-Left Mark U+200F) will force us into bidi mode */
1103 if (!forceLevels && pwcInChars[i] >= 0x200B && pwcInChars[i] <= 0x200F)
1104 forceLevels = TRUE;
1105
1106 /* Diacritical marks merge with other scripts */
1107 if (scripts[i] == Script_Diacritical && i > 0)
1108 scripts[i] = scripts[i-1];
1109 }
1110
1111 for (i = 0; i < cInChars; i++)
1112 {
1113 /* Joiners get merged preferencially right */
1114 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1115 {
1116 int j;
1117 if (i+1 == cInChars)
1118 scripts[i] = scripts[i-1];
1119 else
1120 {
1121 for (j = i+1; j < cInChars; j++)
1122 {
1123 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1124 {
1125 scripts[i] = scripts[j];
1126 break;
1127 }
1128 }
1129 }
1130 }
1131 }
1132
1133 if (psState && psControl)
1134 {
1135 levels = heap_alloc_zero(cInChars * sizeof(WORD));
1136 if (!levels)
1137 {
1138 heap_free(scripts);
1139 return E_OUTOFMEMORY;
1140 }
1141
1142 BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels);
1143 baselevel = levels[0];
1144 for (i = 0; i < cInChars; i++)
1145 if (levels[i]!=levels[0])
1146 break;
1147 if (i >= cInChars && !odd(baselevel) && !odd(psState->uBidiLevel) && !forceLevels)
1148 {
1149 heap_free(levels);
1150 levels = NULL;
1151 }
1152 else
1153 {
1154 BOOL inNumber = FALSE;
1155 static WCHAR math_punc[] = {'#','$','%','+',',','-','.','/',':',0x2212, 0x2044, 0x00a0,0};
1156
1157 strength = heap_alloc_zero(cInChars * sizeof(WORD));
1158 if (!strength)
1159 {
1160 heap_free(scripts);
1161 heap_free(levels);
1162 return E_OUTOFMEMORY;
1163 }
1164 BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
1165
1166 /* We currently mis-level leading Diacriticals */
1167 if (scripts[0] == Script_Diacritical)
1168 for (i = 0; i < cInChars && scripts[0] == Script_Diacritical; i++)
1169 {
1170 levels[i] = odd(levels[i])?levels[i]+1:levels[i];
1171 strength[i] = BIDI_STRONG;
1172 }
1173
1174 for (i = 0; i < cInChars; i++)
1175 {
1176 /* Script_Numeric and select puncuation at level 0 get bumped to level 2 */
1177 if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && inNumber && strchrW(math_punc,pwcInChars[i]))
1178 {
1179 scripts[i] = Script_Numeric;
1180 levels[i] = 2;
1181 }
1182 else if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && scripts[i] == Script_Numeric)
1183 {
1184 levels[i] = 2;
1185 inNumber = TRUE;
1186 }
1187 else
1188 inNumber = FALSE;
1189
1190 /* Joiners get merged preferencially right */
1191 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1192 {
1193 int j;
1194 if (i+1 == cInChars && levels[i-1] == levels[i])
1195 strength[i] = strength[i-1];
1196 else
1197 for (j = i+1; j < cInChars && levels[i] == levels[j]; j++)
1198 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1199 {
1200 strength[i] = strength[j];
1201 break;
1202 }
1203 }
1204 }
1205 if (psControl->fMergeNeutralItems)
1206 {
1207 /* Merge the neutrals */
1208 for (i = 0; i < cInChars; i++)
1209 {
1210 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1211 {
1212 int j;
1213 for (j = i; j > 0; j--)
1214 {
1215 if (levels[i] != levels[j])
1216 break;
1217 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1218 {
1219 scripts[i] = scripts[j];
1220 strength[i] = strength[j];
1221 break;
1222 }
1223 }
1224 }
1225 /* Try going the other way */
1226 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1227 {
1228 int j;
1229 for (j = i; j < cInChars; j++)
1230 {
1231 if (levels[i] != levels[j])
1232 break;
1233 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1234 {
1235 scripts[i] = scripts[j];
1236 strength[i] = strength[j];
1237 break;
1238 }
1239 }
1240 }
1241 }
1242 }
1243 }
1244 }
1245
1246 while ((!levels || (levels && levels[cnt+1] == levels[0])) && (pwcInChars[cnt] == Numeric_space) && cnt < cInChars)
1247 cnt++;
1248
1249 if (cnt == cInChars) /* All Spaces */
1250 {
1251 cnt = 0;
1252 New_Script = scripts[cnt];
1253 }
1254
1255 pItems[index].iCharPos = 0;
1256 pItems[index].a = scriptInformation[scripts[cnt]].a;
1257 pScriptTags[index] = scriptInformation[scripts[cnt]].scriptTag;
1258
1259 if (strength && strength[cnt] == BIDI_STRONG)
1260 str = strength[cnt];
1261 else if (strength)
1262 str = strength[0];
1263
1264 cnt = 0;
1265
1266 if (levels)
1267 {
1268 if (strength[cnt] == BIDI_STRONG)
1269 layoutRTL = (odd(levels[cnt]))?1:0;
1270 else
1271 layoutRTL = (psState->uBidiLevel || odd(levels[cnt]))?1:0;
1272 pItems[index].a.fRTL = odd(levels[cnt]);
1273 pItems[index].a.fLayoutRTL = layoutRTL;
1274 pItems[index].a.s.uBidiLevel = levels[cnt];
1275 }
1276 else if (!pItems[index].a.s.uBidiLevel)
1277 {
1278 layoutRTL = (odd(baselevel))?1:0;
1279 pItems[index].a.s.uBidiLevel = baselevel;
1280 pItems[index].a.fLayoutRTL = odd(baselevel);
1281 pItems[index].a.fRTL = odd(baselevel);
1282 }
1283
1284 TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
1285 levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt,
1286 pItems[index].iCharPos);
1287
1288 for (cnt=1; cnt < cInChars; cnt++)
1289 {
1290 if(pwcInChars[cnt] != Numeric_space)
1291 New_Script = scripts[cnt];
1292 else if (levels)
1293 {
1294 int j = 1;
1295 while (cnt + j < cInChars - 1 && pwcInChars[cnt+j] == Numeric_space && levels[cnt] == levels[cnt+j])
1296 j++;
1297 if (cnt + j < cInChars && levels[cnt] == levels[cnt+j])
1298 New_Script = scripts[cnt+j];
1299 else
1300 New_Script = scripts[cnt];
1301 }
1302
1303 new_run = FALSE;
1304 /* merge space strengths*/
1305 if (strength && strength[cnt] == BIDI_STRONG && str != BIDI_STRONG && New_Script == pItems[index].a.eScript)
1306 str = BIDI_STRONG;
1307
1308 if (strength && strength[cnt] == BIDI_NEUTRAL && str == BIDI_STRONG && pwcInChars[cnt] != Numeric_space && New_Script == pItems[index].a.eScript)
1309 str = BIDI_NEUTRAL;
1310
1311 /* changes in level */
1312 if (levels && (levels[cnt] != pItems[index].a.s.uBidiLevel))
1313 {
1314 TRACE("Level break(%i/%i)\n",pItems[index].a.s.uBidiLevel,levels[cnt]);
1315 new_run = TRUE;
1316 }
1317 /* changes in strength */
1318 else if (strength && pwcInChars[cnt] != Numeric_space && str != strength[cnt])
1319 {
1320 TRACE("Strength break (%i/%i)\n",str,strength[cnt]);
1321 new_run = TRUE;
1322 }
1323 /* changes in script */
1324 else if (((pwcInChars[cnt] != Numeric_space) && (New_Script != -1) && (New_Script != pItems[index].a.eScript)) || (New_Script == Script_Control))
1325 {
1326 TRACE("Script break(%i/%i)\n",pItems[index].a.eScript,New_Script);
1327 new_run = TRUE;
1328 }
1329
1330 if (!new_run && strength && str == BIDI_STRONG)
1331 {
1332 layoutRTL = odd(levels[cnt])?1:0;
1333 pItems[index].a.fLayoutRTL = layoutRTL;
1334 }
1335
1336 if (new_run)
1337 {
1338 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);
1339
1340 index++;
1341 if (index+1 > cMaxItems)
1342 return E_OUTOFMEMORY;
1343
1344 if (strength)
1345 str = strength[cnt];
1346
1347 pItems[index].iCharPos = cnt;
1348 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1349
1350 pItems[index].a = scriptInformation[New_Script].a;
1351 pScriptTags[index] = scriptInformation[New_Script].scriptTag;
1352 if (levels)
1353 {
1354 if (levels[cnt] == 0)
1355 layoutRTL = 0;
1356 else
1357 layoutRTL = (layoutRTL || odd(levels[cnt]))?1:0;
1358 pItems[index].a.fRTL = odd(levels[cnt]);
1359 pItems[index].a.fLayoutRTL = layoutRTL;
1360 pItems[index].a.s.uBidiLevel = levels[cnt];
1361 }
1362 else if (!pItems[index].a.s.uBidiLevel)
1363 {
1364 pItems[index].a.s.uBidiLevel = baselevel;
1365 pItems[index].a.fLayoutRTL = layoutRTL;
1366 pItems[index].a.fRTL = odd(baselevel);
1367 }
1368
1369 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1370 }
1371 }
1372
1373 /* While not strictly necessary according to the spec, make sure the n+1
1374 * item is set up to prevent random behaviour if the caller erroneously
1375 * checks the n+1 structure */
1376 index++;
1377 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1378
1379 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1380
1381 /* Set one SCRIPT_STATE item being returned */
1382 if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
1383 if (pcItems) *pcItems = index;
1384
1385 /* Set SCRIPT_ITEM */
1386 pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
1387 heap_free(levels);
1388 heap_free(strength);
1389 heap_free(scripts);
1390 return S_OK;
1391 }
1392
1393 /***********************************************************************
1394 * ScriptItemize (USP10.@)
1395 *
1396 * Split a Unicode string into shapeable parts.
1397 *
1398 * PARAMS
1399 * pwcInChars [I] String to split.
1400 * cInChars [I] Number of characters in pwcInChars.
1401 * cMaxItems [I] Maximum number of items to return.
1402 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1403 * psState [I] Pointer to a SCRIPT_STATE structure.
1404 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1405 * pcItems [O] Number of script items returned.
1406 *
1407 * RETURNS
1408 * Success: S_OK
1409 * Failure: Non-zero HRESULT value.
1410 */
1411 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1412 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1413 SCRIPT_ITEM *pItems, int *pcItems)
1414 {
1415 OPENTYPE_TAG *discarded_tags;
1416 HRESULT res;
1417
1418 discarded_tags = heap_alloc(cMaxItems * sizeof(OPENTYPE_TAG));
1419 if (!discarded_tags)
1420 return E_OUTOFMEMORY;
1421 res = ScriptItemizeOpenType(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, discarded_tags, pcItems);
1422 heap_free(discarded_tags);
1423 return res;
1424 }
1425
1426 static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x)
1427 {
1428 int defWidth;
1429 int cTabStops=0;
1430 INT *lpTabPos = NULL;
1431 INT nTabOrg = 0;
1432 INT x = 0;
1433
1434 if (pTabdef)
1435 lpTabPos = pTabdef->pTabStops;
1436
1437 if (pTabdef && pTabdef->iTabOrigin)
1438 {
1439 if (pTabdef->iScale)
1440 nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4;
1441 else
1442 nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth;
1443 }
1444
1445 if (pTabdef)
1446 cTabStops = pTabdef->cTabStops;
1447
1448 if (cTabStops == 1)
1449 {
1450 if (pTabdef->iScale)
1451 defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4;
1452 else
1453 defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth;
1454 cTabStops = 0;
1455 }
1456 else
1457 defWidth = 8 * psc->tm.tmAveCharWidth;
1458
1459 for (; cTabStops>0 ; lpTabPos++, cTabStops--)
1460 {
1461 int position = *lpTabPos;
1462 if (position < 0)
1463 position = -1 * position;
1464 if (pTabdef->iScale)
1465 position = (position * pTabdef->iScale) / 4;
1466 else
1467 position = position * psc->tm.tmAveCharWidth;
1468
1469 if( nTabOrg + position > current_x)
1470 {
1471 if( *lpTabPos >= 0)
1472 {
1473 /* a left aligned tab */
1474 x = (nTabOrg + *lpTabPos) - current_x;
1475 break;
1476 }
1477 else
1478 {
1479 FIXME("Negative tabstop\n");
1480 break;
1481 }
1482 }
1483 }
1484 if ((!cTabStops) && (defWidth > 0))
1485 x =((((current_x - nTabOrg) / defWidth)+1) * defWidth) - current_x;
1486 else if ((!cTabStops) && (defWidth < 0))
1487 FIXME("TODO: Negative defWidth\n");
1488
1489 return x;
1490 }
1491
1492 /***********************************************************************
1493 * Helper function for ScriptStringAnalyse
1494 */
1495 static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
1496 const WCHAR *pwcInChars, int cChars )
1497 {
1498 /* FIXME: When to properly fallback is still a bit of a mystery */
1499 WORD *glyphs;
1500
1501 if (psa->fNoGlyphIndex)
1502 return FALSE;
1503
1504 if (init_script_cache(hdc, psc) != S_OK)
1505 return FALSE;
1506
1507 if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK)
1508 return TRUE;
1509
1510 glyphs = heap_alloc(sizeof(WORD) * cChars);
1511 if (!glyphs)
1512 return FALSE;
1513 if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK)
1514 {
1515 heap_free(glyphs);
1516 return TRUE;
1517 }
1518 heap_free(glyphs);
1519
1520 return FALSE;
1521 }
1522
1523 static void find_fallback_font(DWORD scriptid, LPWSTR FaceName)
1524 {
1525 HKEY hkey;
1526
1527 if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey))
1528 {
1529 static const WCHAR szFmt[] = {'%','x',0};
1530 WCHAR value[10];
1531 DWORD count = LF_FACESIZE * sizeof(WCHAR);
1532 DWORD type;
1533
1534 sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag);
1535 if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count))
1536 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1537 RegCloseKey(hkey);
1538 }
1539 else
1540 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1541 }
1542
1543 /***********************************************************************
1544 * ScriptStringAnalyse (USP10.@)
1545 *
1546 */
1547 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
1548 int cGlyphs, int iCharset, DWORD dwFlags,
1549 int iReqWidth, SCRIPT_CONTROL *psControl,
1550 SCRIPT_STATE *psState, const int *piDx,
1551 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
1552 SCRIPT_STRING_ANALYSIS *pssa)
1553 {
1554 HRESULT hr = E_OUTOFMEMORY;
1555 StringAnalysis *analysis = NULL;
1556 SCRIPT_CONTROL sControl;
1557 SCRIPT_STATE sState;
1558 int i, num_items = 255;
1559 BYTE *BidiLevel;
1560 WCHAR *iString = NULL;
1561
1562 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
1563 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
1564 psControl, psState, piDx, pTabdef, pbInClass, pssa);
1565
1566 if (iCharset != -1)
1567 {
1568 FIXME("Only Unicode strings are supported\n");
1569 return E_INVALIDARG;
1570 }
1571 if (cString < 1 || !pString) return E_INVALIDARG;
1572 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
1573
1574 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
1575 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
1576
1577 /* FIXME: handle clipping */
1578 analysis->clip_len = cString;
1579 analysis->hdc = hdc;
1580 analysis->dwFlags = dwFlags;
1581
1582 if (psState)
1583 sState = *psState;
1584 else
1585 memset(&sState, 0, sizeof(SCRIPT_STATE));
1586
1587 if (psControl)
1588 sControl = *psControl;
1589 else
1590 memset(&sControl, 0, sizeof(SCRIPT_CONTROL));
1591
1592 if (dwFlags & SSA_PASSWORD)
1593 {
1594 iString = heap_alloc(sizeof(WCHAR)*cString);
1595 if (!iString)
1596 {
1597 hr = E_OUTOFMEMORY;
1598 goto error;
1599 }
1600 for (i = 0; i < cString; i++)
1601 iString[i] = *((const WCHAR *)pString);
1602 pString = iString;
1603 }
1604
1605 hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem,
1606 &analysis->numItems);
1607
1608 while (hr == E_OUTOFMEMORY)
1609 {
1610 SCRIPT_ITEM *tmp;
1611
1612 num_items *= 2;
1613 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
1614 goto error;
1615
1616 analysis->pItem = tmp;
1617 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
1618 &analysis->numItems);
1619 }
1620 if (hr != S_OK) goto error;
1621
1622 /* set back to out of memory for default goto error behaviour */
1623 hr = E_OUTOFMEMORY;
1624
1625 if (dwFlags & SSA_BREAK)
1626 {
1627 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
1628 {
1629 for (i = 0; i < analysis->numItems; i++)
1630 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]);
1631 }
1632 else
1633 goto error;
1634 }
1635
1636 if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
1637 goto error;
1638 if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
1639 goto error;
1640
1641 if (dwFlags & SSA_GLYPHS)
1642 {
1643 int tab_x = 0;
1644 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
1645 {
1646 heap_free(BidiLevel);
1647 goto error;
1648 }
1649
1650 for (i = 0; i < analysis->numItems; i++)
1651 {
1652 SCRIPT_CACHE *sc = (SCRIPT_CACHE*)&analysis->glyphs[i].sc;
1653 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1654 int numGlyphs = 1.5 * cChar + 16;
1655 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
1656 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
1657 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
1658 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * numGlyphs);
1659 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
1660 ABC *abc = heap_alloc_zero(sizeof(ABC));
1661 int numGlyphsReturned;
1662 HFONT originalFont = 0x0;
1663
1664 /* FIXME: non unicode strings */
1665 const WCHAR* pStr = (const WCHAR*)pString;
1666 analysis->glyphs[i].fallbackFont = NULL;
1667
1668 if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc)
1669 {
1670 heap_free (BidiLevel);
1671 heap_free (glyphs);
1672 heap_free (pwLogClust);
1673 heap_free (piAdvance);
1674 heap_free (psva);
1675 heap_free (pGoffset);
1676 heap_free (abc);
1677 hr = E_OUTOFMEMORY;
1678 goto error;
1679 }
1680
1681 if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar))
1682 {
1683 LOGFONTW lf;
1684 GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), & lf);
1685 lf.lfCharSet = scriptInformation[analysis->pItem[i].a.eScript].props.bCharSet;
1686 find_fallback_font(analysis->pItem[i].a.eScript, lf.lfFaceName);
1687 analysis->glyphs[i].fallbackFont = CreateFontIndirectW(&lf);
1688 if (analysis->glyphs[i].fallbackFont)
1689 {
1690 ScriptFreeCache(sc);
1691 originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont);
1692 }
1693 }
1694
1695 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
1696 cChar, numGlyphs, &analysis->pItem[i].a,
1697 glyphs, pwLogClust, psva, &numGlyphsReturned);
1698 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
1699 piAdvance, pGoffset, abc);
1700 if (originalFont)
1701 SelectObject(hdc,originalFont);
1702
1703 if (dwFlags & SSA_TAB)
1704 {
1705 int tabi = 0;
1706 for (tabi = 0; tabi < cChar; tabi++)
1707 {
1708 if (pStr[analysis->pItem[i].iCharPos+tabi] == 0x0009)
1709 piAdvance[tabi] = getGivenTabWidth(analysis->glyphs[i].sc, pTabdef, analysis->pItem[i].iCharPos+tabi, tab_x);
1710 tab_x+=piAdvance[tabi];
1711 }
1712 }
1713
1714 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
1715 analysis->glyphs[i].glyphs = glyphs;
1716 analysis->glyphs[i].pwLogClust = pwLogClust;
1717 analysis->glyphs[i].piAdvance = piAdvance;
1718 analysis->glyphs[i].psva = psva;
1719 analysis->glyphs[i].pGoffset = pGoffset;
1720 analysis->glyphs[i].abc = abc;
1721 analysis->glyphs[i].iMaxPosX= -1;
1722
1723 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1724 }
1725 }
1726 else
1727 {
1728 for (i = 0; i < analysis->numItems; i++)
1729 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1730 }
1731
1732 ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
1733 heap_free(BidiLevel);
1734
1735 *pssa = analysis;
1736 heap_free(iString);
1737 return S_OK;
1738
1739 error:
1740 heap_free(iString);
1741 heap_free(analysis->glyphs);
1742 heap_free(analysis->logattrs);
1743 heap_free(analysis->pItem);
1744 heap_free(analysis->logical2visual);
1745 heap_free(analysis);
1746 return hr;
1747 }
1748
1749 static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction)
1750 {
1751 int i;
1752
1753 if (pva[glyph].fClusterStart)
1754 return TRUE;
1755 for (i = 0; i < cChars; i++)
1756 if (pwLogClust[i] == glyph) break;
1757 if (i != cChars)
1758 return TRUE;
1759
1760 return FALSE;
1761 }
1762
1763
1764 static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa,
1765 int iX,
1766 int iY,
1767 int iItem,
1768 int cStart,
1769 int cEnd,
1770 UINT uOptions,
1771 const RECT *prc,
1772 BOOL fSelected,
1773 BOOL fDisabled)
1774 {
1775 StringAnalysis *analysis;
1776 int off_x = 0;
1777 HRESULT hr;
1778 COLORREF BkColor = 0x0;
1779 COLORREF TextColor = 0x0;
1780 INT BkMode = 0;
1781 INT runStart, runEnd;
1782 INT iGlyph, cGlyphs;
1783 HFONT oldFont = 0x0;
1784
1785 TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n",
1786 ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled);
1787
1788 if (!(analysis = ssa)) return E_INVALIDARG;
1789
1790 if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) ||
1791 (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd))
1792 return S_OK;
1793
1794 if (fSelected)
1795 {
1796 BkMode = GetBkMode(analysis->hdc);
1797 SetBkMode( analysis->hdc, OPAQUE);
1798 BkColor = GetBkColor(analysis->hdc);
1799 SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT));
1800 if (!fDisabled)
1801 {
1802 TextColor = GetTextColor(analysis->hdc);
1803 SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
1804 }
1805 }
1806 if (analysis->glyphs[iItem].fallbackFont)
1807 oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont);
1808
1809 if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart)
1810 runStart = cStart - analysis->pItem[iItem].iCharPos;
1811 else
1812 runStart = 0;
1813 if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd)
1814 runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos;
1815 else
1816 runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1;
1817
1818 if (analysis->pItem[iItem].a.fRTL)
1819 {
1820 if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos)
1821 ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x);
1822 else
1823 ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x);
1824 }
1825 else
1826 {
1827 if (cStart >=0 && runStart)
1828 ScriptStringCPtoX(ssa, cStart, FALSE, &off_x);
1829 else
1830 ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x);
1831 }
1832
1833 if (analysis->pItem[iItem].a.fRTL)
1834 iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd];
1835 else
1836 iGlyph = analysis->glyphs[iItem].pwLogClust[runStart];
1837
1838 if (analysis->pItem[iItem].a.fRTL)
1839 cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph;
1840 else
1841 cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph;
1842
1843 cGlyphs++;
1844
1845 if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo)
1846 {
1847 INT direction;
1848 INT clust_glyph;
1849
1850 clust_glyph = iGlyph + cGlyphs;
1851 if (analysis->pItem[iItem].a.fRTL)
1852 direction = -1;
1853 else
1854 direction = 1;
1855
1856 while(clust_glyph < analysis->glyphs[iItem].numGlyphs &&
1857 !does_glyph_start_cluster(analysis->glyphs[iItem].psva, analysis->glyphs[iItem].pwLogClust, (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos), clust_glyph, direction))
1858 {
1859 cGlyphs++;
1860 clust_glyph++;
1861 }
1862 }
1863
1864 hr = ScriptTextOut(analysis->hdc,
1865 (SCRIPT_CACHE *)&analysis->glyphs[iItem].sc, iX + off_x,
1866 iY, uOptions, prc, &analysis->pItem[iItem].a, NULL, 0,
1867 &analysis->glyphs[iItem].glyphs[iGlyph], cGlyphs,
1868 &analysis->glyphs[iItem].piAdvance[iGlyph], NULL,
1869 &analysis->glyphs[iItem].pGoffset[iGlyph]);
1870
1871 TRACE("ScriptTextOut hr=%08x\n", hr);
1872
1873 if (fSelected)
1874 {
1875 SetBkColor(analysis->hdc, BkColor);
1876 SetBkMode( analysis->hdc, BkMode);
1877 if (!fDisabled)
1878 SetTextColor(analysis->hdc, TextColor);
1879 }
1880 if (analysis->glyphs[iItem].fallbackFont)
1881 SelectObject(analysis->hdc, oldFont);
1882
1883 return hr;
1884 }
1885
1886 /***********************************************************************
1887 * ScriptStringOut (USP10.@)
1888 *
1889 * This function takes the output of ScriptStringAnalyse and joins the segments
1890 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
1891 * only processes glyphs.
1892 *
1893 * Parameters:
1894 * ssa [I] buffer to hold the analysed string components
1895 * iX [I] X axis displacement for output
1896 * iY [I] Y axis displacement for output
1897 * uOptions [I] flags controling output processing
1898 * prc [I] rectangle coordinates
1899 * iMinSel [I] starting pos for substringing output string
1900 * iMaxSel [I] ending pos for substringing output string
1901 * fDisabled [I] controls text highlighting
1902 *
1903 * RETURNS
1904 * Success: S_OK
1905 * Failure: is the value returned by ScriptTextOut
1906 */
1907 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
1908 int iX,
1909 int iY,
1910 UINT uOptions,
1911 const RECT *prc,
1912 int iMinSel,
1913 int iMaxSel,
1914 BOOL fDisabled)
1915 {
1916 StringAnalysis *analysis;
1917 int item;
1918 HRESULT hr;
1919
1920 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
1921 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
1922
1923 if (!(analysis = ssa)) return E_INVALIDARG;
1924 if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG;
1925
1926 for (item = 0; item < analysis->numItems; item++)
1927 {
1928 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled);
1929 if (FAILED(hr))
1930 return hr;
1931 }
1932
1933 if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0))
1934 {
1935 if (iMaxSel > 0 && iMinSel < 0)
1936 iMinSel = 0;
1937 for (item = 0; item < analysis->numItems; item++)
1938 {
1939 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled);
1940 if (FAILED(hr))
1941 return hr;
1942 }
1943 }
1944
1945 return S_OK;
1946 }
1947
1948 /***********************************************************************
1949 * ScriptStringCPtoX (USP10.@)
1950 *
1951 */
1952 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
1953 {
1954 int item;
1955 int runningX = 0;
1956 StringAnalysis* analysis = ssa;
1957
1958 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
1959
1960 if (!ssa || !pX) return S_FALSE;
1961 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1962
1963 /* icp out of range */
1964 if(icp < 0)
1965 {
1966 analysis->invalid = TRUE;
1967 return E_INVALIDARG;
1968 }
1969
1970 for(item=0; item<analysis->numItems; item++)
1971 {
1972 int CP, i;
1973 int offset;
1974
1975 i = analysis->logical2visual[item];
1976 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1977 /* initialize max extents for uninitialized runs */
1978 if (analysis->glyphs[i].iMaxPosX == -1)
1979 {
1980 if (analysis->pItem[i].a.fRTL)
1981 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1982 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1983 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1984 else
1985 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1986 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1987 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1988 }
1989
1990 if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
1991 {
1992 runningX += analysis->glyphs[i].iMaxPosX;
1993 continue;
1994 }
1995
1996 icp -= analysis->pItem[i].iCharPos;
1997 ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1998 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1999 &analysis->pItem[i].a, &offset);
2000 runningX += offset;
2001
2002 *pX = runningX;
2003 return S_OK;
2004 }
2005
2006 /* icp out of range */
2007 analysis->invalid = TRUE;
2008 return E_INVALIDARG;
2009 }
2010
2011 /***********************************************************************
2012 * ScriptStringXtoCP (USP10.@)
2013 *
2014 */
2015 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
2016 {
2017 StringAnalysis* analysis = ssa;
2018 int item;
2019
2020 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
2021
2022 if (!ssa || !piCh || !piTrailing) return S_FALSE;
2023 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2024
2025 /* out of range */
2026 if(iX < 0)
2027 {
2028 if (analysis->pItem[0].a.fRTL)
2029 {
2030 *piCh = 1;
2031 *piTrailing = FALSE;
2032 }
2033 else
2034 {
2035 *piCh = -1;
2036 *piTrailing = TRUE;
2037 }
2038 return S_OK;
2039 }
2040
2041 for(item=0; item<analysis->numItems; item++)
2042 {
2043 int i;
2044 int CP;
2045
2046 for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
2047 /* nothing */;
2048
2049 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2050 /* initialize max extents for uninitialized runs */
2051 if (analysis->glyphs[i].iMaxPosX == -1)
2052 {
2053 if (analysis->pItem[i].a.fRTL)
2054 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2055 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2056 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2057 else
2058 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2059 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2060 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2061 }
2062
2063 if (iX > analysis->glyphs[i].iMaxPosX)
2064 {
2065 iX -= analysis->glyphs[i].iMaxPosX;
2066 continue;
2067 }
2068
2069 ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2070 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2071 &analysis->pItem[i].a, piCh, piTrailing);
2072 *piCh += analysis->pItem[i].iCharPos;
2073
2074 return S_OK;
2075 }
2076
2077 /* out of range */
2078 *piCh = analysis->pItem[analysis->numItems].iCharPos;
2079 *piTrailing = FALSE;
2080
2081 return S_OK;
2082 }
2083
2084
2085 /***********************************************************************
2086 * ScriptStringFree (USP10.@)
2087 *
2088 * Free a string analysis.
2089 *
2090 * PARAMS
2091 * pssa [I] string analysis.
2092 *
2093 * RETURNS
2094 * Success: S_OK
2095 * Failure: Non-zero HRESULT value.
2096 */
2097 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
2098 {
2099 StringAnalysis* analysis;
2100 BOOL invalid;
2101 int i;
2102
2103 TRACE("(%p)\n", pssa);
2104
2105 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
2106
2107 invalid = analysis->invalid;
2108
2109 if (analysis->glyphs)
2110 {
2111 for (i = 0; i < analysis->numItems; i++)
2112 {
2113 heap_free(analysis->glyphs[i].glyphs);
2114 heap_free(analysis->glyphs[i].pwLogClust);
2115 heap_free(analysis->glyphs[i].piAdvance);
2116 heap_free(analysis->glyphs[i].psva);
2117 heap_free(analysis->glyphs[i].pGoffset);
2118 heap_free(analysis->glyphs[i].abc);
2119 if (analysis->glyphs[i].fallbackFont)
2120 DeleteObject(analysis->glyphs[i].fallbackFont);
2121 ScriptFreeCache((SCRIPT_CACHE *)&analysis->glyphs[i].sc);
2122 heap_free(analysis->glyphs[i].sc);
2123 }
2124 heap_free(analysis->glyphs);
2125 }
2126
2127 heap_free(analysis->pItem);
2128 heap_free(analysis->logattrs);
2129 heap_free(analysis->sz);
2130 heap_free(analysis->logical2visual);
2131 heap_free(analysis);
2132
2133 if (invalid) return E_INVALIDARG;
2134 return S_OK;
2135 }
2136
2137 static inline int get_cluster_size(const WORD *pwLogClust, int cChars, int item,
2138 int direction, int* iCluster, int *check_out)
2139 {
2140 int clust_size = 1;
2141 int check;
2142 WORD clust = pwLogClust[item];
2143
2144 for (check = item+direction; check < cChars && check >= 0; check+=direction)
2145 {
2146 if (pwLogClust[check] == clust)
2147 {
2148 clust_size ++;
2149 if (iCluster && *iCluster == -1)
2150 *iCluster = item;
2151 }
2152 else break;
2153 }
2154
2155 if (check_out)
2156 *check_out = check;
2157
2158 return clust_size;
2159 }
2160
2161 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)
2162 {
2163 int advance;
2164 int log_clust_max = 0;
2165 int i;
2166
2167 advance = piAdvance[glyph];
2168
2169 for (i = 0; i < cChars; i++)
2170 {
2171 if (pwLogClust[i] > log_clust_max)
2172 log_clust_max = pwLogClust[i];
2173 }
2174
2175 if (glyph > log_clust_max)
2176 return advance;
2177
2178 for (glyph+=direction; glyph < cGlyphs && glyph >= 0; glyph +=direction)
2179 {
2180
2181 if (does_glyph_start_cluster(pva, pwLogClust, cChars, glyph, direction))
2182 break;
2183 if (glyph > log_clust_max)
2184 break;
2185 advance += piAdvance[glyph];
2186 }
2187
2188 return advance;
2189 }
2190
2191 /***********************************************************************
2192 * ScriptCPtoX (USP10.@)
2193 *
2194 */
2195 HRESULT WINAPI ScriptCPtoX(int iCP,
2196 BOOL fTrailing,
2197 int cChars,
2198 int cGlyphs,
2199 const WORD *pwLogClust,
2200 const SCRIPT_VISATTR *psva,
2201 const int *piAdvance,
2202 const SCRIPT_ANALYSIS *psa,
2203 int *piX)
2204 {
2205 int item;
2206 float iPosX;
2207 int iSpecial = -1;
2208 int iCluster = -1;
2209 int clust_size = 1;
2210 float special_size = 0.0;
2211 int iMaxPos = 0;
2212 int advance = 0;
2213 BOOL rtl = FALSE;
2214
2215 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
2216 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
2217 psa, piX);
2218
2219 if (psa->fRTL && ! psa->fLogicalOrder)
2220 rtl = TRUE;
2221
2222 if (fTrailing)
2223 iCP++;
2224
2225 if (rtl)
2226 {
2227 int max_clust = pwLogClust[0];
2228
2229 for (item=0; item < cGlyphs; item++)
2230 if (pwLogClust[item] > max_clust)
2231 {
2232 ERR("We do not handle non reversed clusters properly\n");
2233 break;
2234 }
2235
2236 iMaxPos = 0;
2237 for (item = max_clust; item >=0; item --)
2238 iMaxPos += piAdvance[item];
2239 }
2240
2241 iPosX = 0.0;
2242 for (item=0; item < iCP && item < cChars; item++)
2243 {
2244 if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item)))
2245 {
2246 int check;
2247 int clust = pwLogClust[item];
2248
2249 iCluster = -1;
2250 clust_size = get_cluster_size(pwLogClust, cChars, item, 1, &iCluster,
2251 &check);
2252
2253 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, 1);
2254
2255 if (check >= cChars && !iMaxPos)
2256 {
2257 for (check = clust; check < cChars; check++)
2258 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, 1);
2259 iSpecial = item;
2260 special_size /= (cChars - item);
2261 iPosX += special_size;
2262 }
2263 else
2264 {
2265 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2266 {
2267 clust_size --;
2268 if (clust_size == 0)
2269 iPosX += advance;
2270 }
2271 else
2272 iPosX += advance / (float)clust_size;
2273 }
2274 }
2275 else if (iSpecial != -1)
2276 iPosX += special_size;
2277 else /* (iCluster != -1) */
2278 {
2279 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], 1);
2280 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2281 {
2282 clust_size --;
2283 if (clust_size == 0)
2284 iPosX += adv;
2285 }
2286 else
2287 iPosX += adv / (float)clust_size;
2288 }
2289 }
2290
2291 if (iMaxPos > 0)
2292 {
2293 iPosX = iMaxPos - iPosX;
2294 if (iPosX < 0)
2295 iPosX = 0;
2296 }
2297
2298 *piX = iPosX;
2299 TRACE("*piX=%d\n", *piX);
2300 return S_OK;
2301 }
2302
2303 /***********************************************************************
2304 * ScriptXtoCP (USP10.@)
2305 *
2306 */
2307 HRESULT WINAPI ScriptXtoCP(int iX,
2308 int cChars,
2309 int cGlyphs,
2310 const WORD *pwLogClust,
2311 const SCRIPT_VISATTR *psva,
2312 const int *piAdvance,
2313 const SCRIPT_ANALYSIS *psa,
2314 int *piCP,
2315 int *piTrailing)
2316 {
2317 int item;
2318 float iPosX;
2319 float iLastPosX;
2320 int iSpecial = -1;
2321 int iCluster = -1;
2322 int clust_size = 1;
2323 int cjump = 0;
2324 int advance;
2325 float special_size = 0.0;
2326 int direction = 1;
2327
2328 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
2329 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
2330 psa, piCP, piTrailing);
2331
2332 if (psa->fRTL && ! psa->fLogicalOrder)
2333 direction = -1;
2334
2335 if (direction<0)
2336 {
2337 int max_clust = pwLogClust[0];
2338
2339 if (iX < 0)
2340 {
2341 *piCP = cChars;
2342 *piTrailing = 0;
2343 return S_OK;
2344 }
2345
2346 for (item=0; item < cChars; item++)
2347 if (pwLogClust[item] > max_clust)
2348 {
2349 ERR("We do not handle non reversed clusters properly\n");
2350 break;
2351 }
2352 }
2353
2354 if (iX < 0)
2355 {
2356 *piCP = -1;
2357 *piTrailing = 1;
2358 return S_OK;
2359 }
2360
2361 iPosX = iLastPosX = 0;
2362 if (direction > 0)
2363 item = 0;
2364 else
2365 item = cChars - 1;
2366 for (; iPosX <= iX && item < cChars && item >= 0; item+=direction)
2367 {
2368 iLastPosX = iPosX;
2369 if (iSpecial == -1 &&
2370 (iCluster == -1 ||
2371 (iCluster != -1 &&
2372 ((direction > 0 && iCluster+clust_size <= item) ||
2373 (direction < 0 && iCluster-clust_size >= item))
2374 )
2375 )
2376 )
2377 {
2378 int check;
2379 int clust = pwLogClust[item];
2380
2381 iCluster = -1;
2382 cjump = 0;
2383 clust_size = get_cluster_size(pwLogClust, cChars, item, direction,
2384 &iCluster, &check);
2385 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, direction);
2386
2387 if (check >= cChars && direction > 0)
2388 {
2389 for (check = clust; check < cChars; check++)
2390 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, direction);
2391 iSpecial = item;
2392 special_size /= (cChars - item);
2393 iPosX += special_size;
2394 }
2395 else
2396 {
2397 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2398 {
2399 if (!cjump)
2400 iPosX += advance;
2401 cjump++;
2402 }
2403 else
2404 iPosX += advance / (float)clust_size;
2405 }
2406 }
2407 else if (iSpecial != -1)
2408 iPosX += special_size;
2409 else /* (iCluster != -1) */
2410 {
2411 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], direction);
2412 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2413 {
2414 if (!cjump)
2415 iPosX += adv;
2416 cjump++;
2417 }
2418 else
2419 iPosX += adv / (float)clust_size;
2420 }
2421 }
2422
2423 if (direction > 0)
2424 {
2425 if (iPosX > iX)
2426 item--;
2427 if (item < cChars && ((iPosX - iLastPosX) / 2.0) + iX >= iPosX)
2428 {
2429 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
2430 item+=(clust_size-1);
2431 *piTrailing = 1;
2432 }
2433 else
2434 *piTrailing = 0;
2435 }
2436 else
2437 {
2438 if (iX == iLastPosX)
2439 item++;
2440 if (iX >= iLastPosX && iX <= iPosX)
2441 item++;
2442
2443 if (iLastPosX == iX)
2444 *piTrailing = 0;
2445 else if (item < 0 || ((iLastPosX - iPosX) / 2.0) + iX <= iLastPosX)
2446 {
2447 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
2448 item-=(clust_size-1);
2449 *piTrailing = 1;
2450 }
2451 else
2452 *piTrailing = 0;
2453 }
2454
2455 *piCP = item;
2456
2457 TRACE("*piCP=%d\n", *piCP);
2458 TRACE("*piTrailing=%d\n", *piTrailing);
2459 return S_OK;
2460 }
2461
2462 /***********************************************************************
2463 * ScriptBreak (USP10.@)
2464 *
2465 * Retrieve line break information.
2466 *
2467 * PARAMS
2468 * chars [I] Array of characters.
2469 * sa [I] String analysis.
2470 * la [I] Array of logical attribute structures.
2471 *
2472 * RETURNS
2473 * Success: S_OK
2474 * Failure: S_FALSE
2475 */
2476 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
2477 {
2478 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
2479
2480 if (!la) return S_FALSE;
2481
2482 BREAK_line(chars, count, sa, la);
2483
2484 return S_OK;
2485 }
2486
2487 /***********************************************************************
2488 * ScriptIsComplex (USP10.@)
2489 *
2490 * Determine if a string is complex.
2491 *
2492 * PARAMS
2493 * chars [I] Array of characters to test.
2494 * len [I] Length in characters.
2495 * flag [I] Flag.
2496 *
2497 * RETURNS
2498 * Success: S_OK
2499 * Failure: S_FALSE
2500 *
2501 */
2502 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
2503 {
2504 int i;
2505
2506 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
2507
2508 for (i = 0; i < len; i++)
2509 {
2510 int script;
2511
2512 if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39)
2513 return S_OK;
2514
2515 script = get_char_script(chars[i]);
2516 if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))||
2517 (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL)))
2518 return S_OK;
2519 }
2520 return S_FALSE;
2521 }
2522
2523 /***********************************************************************
2524 * ScriptShapeOpenType (USP10.@)
2525 *
2526 * Produce glyphs and visual attributes for a run.
2527 *
2528 * PARAMS
2529 * hdc [I] Device context.
2530 * psc [I/O] Opaque pointer to a script cache.
2531 * psa [I/O] Script analysis.
2532 * tagScript [I] The OpenType tag for the Script
2533 * tagLangSys [I] The OpenType tag for the Language
2534 * rcRangeChars[I] Array of Character counts in each range
2535 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2536 * cRanges [I] Count of ranges
2537 * pwcChars [I] Array of characters specifying the run.
2538 * cChars [I] Number of characters in pwcChars.
2539 * cMaxGlyphs [I] Length of pwOutGlyphs.
2540 * pwLogClust [O] Array of logical cluster info.
2541 * pCharProps [O] Array of character property values
2542 * pwOutGlyphs [O] Array of glyphs.
2543 * pOutGlyphProps [O] Array of attributes for the retrieved glyphs
2544 * pcGlyphs [O] Number of glyphs returned.
2545 *
2546 * RETURNS
2547 * Success: S_OK
2548 * Failure: Non-zero HRESULT value.
2549 */
2550 HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc,
2551 SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
2552 OPENTYPE_TAG tagLangSys, int *rcRangeChars,
2553 TEXTRANGE_PROPERTIES **rpRangeProperties,
2554 int cRanges, const WCHAR *pwcChars, int cChars,
2555 int cMaxGlyphs, WORD *pwLogClust,
2556 SCRIPT_CHARPROP *pCharProps, WORD *pwOutGlyphs,
2557 SCRIPT_GLYPHPROP *pOutGlyphProps, int *pcGlyphs)
2558 {
2559 HRESULT hr;
2560 unsigned int i;
2561 BOOL rtl;
2562
2563 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %d, %d, %p, %p, %p, %p, %p )\n",
2564 hdc, psc, psa,
2565 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2566 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2567 cChars, cMaxGlyphs, pwLogClust, pCharProps, pwOutGlyphs, pOutGlyphProps, pcGlyphs);
2568
2569 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
2570 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
2571
2572 if (!pOutGlyphProps || !pcGlyphs || !pCharProps) return E_INVALIDARG;
2573 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2574
2575 if (cRanges)
2576 FIXME("Ranges not supported yet\n");
2577
2578 rtl = (psa && !psa->fLogicalOrder && psa->fRTL);
2579
2580 *pcGlyphs = cChars;
2581 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2582 if (!pwLogClust) return E_FAIL;
2583
2584 ((ScriptCache *)*psc)->userScript = tagScript;
2585 ((ScriptCache *)*psc)->userLang = tagLangSys;
2586
2587 /* set fNoGlyphIndex non truetype/opentype fonts */
2588 if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
2589 psa->fNoGlyphIndex = TRUE;
2590
2591 /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
2592 for (i = 0; i < cChars; i++)
2593 {
2594 int idx = i;
2595 if (rtl) idx = cChars - 1 - i;
2596 /* FIXME: set to better values */
2597 pOutGlyphProps[i].sva.uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER;
2598 pOutGlyphProps[i].sva.fClusterStart = 1;
2599 pOutGlyphProps[i].sva.fDiacritic = 0;
2600 pOutGlyphProps[i].sva.fZeroWidth = 0;
2601 pOutGlyphProps[i].sva.fReserved = 0;
2602 pOutGlyphProps[i].sva.fShapeReserved = 0;
2603
2604 /* FIXME: have the shaping engine set this */
2605 pCharProps[i].fCanGlyphAlone = 0;
2606
2607 pwLogClust[i] = idx;
2608 }
2609
2610 if (psa && !psa->fNoGlyphIndex)
2611 {
2612 WCHAR *rChars;
2613 if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr;
2614
2615 rChars = heap_alloc(sizeof(WCHAR) * cChars);
2616 if (!rChars) return E_OUTOFMEMORY;
2617 for (i = 0; i < cChars; i++)
2618 {
2619 int idx = i;
2620 WCHAR chInput;
2621 if (rtl) idx = cChars - 1 - i;
2622 if (psa->fRTL)
2623 chInput = mirror_char(pwcChars[idx]);
2624 else
2625 chInput = pwcChars[idx];
2626 /* special case for tabs */
2627 if (chInput == 0x0009)
2628 chInput = 0x0020;
2629 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput)))
2630 {
2631 WORD glyph;
2632 if (!hdc)
2633 {
2634 heap_free(rChars);
2635 return E_PENDING;
2636 }
2637 if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR)
2638 {
2639 heap_free(rChars);
2640 return S_FALSE;
2641 }
2642 pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph);
2643 }
2644 rChars[i] = chInput;
2645 }
2646
2647 SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
2648 SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust);
2649 SHAPE_CharGlyphProp(hdc, (ScriptCache *)*psc, psa, pwcChars, cChars, pwOutGlyphs, *pcGlyphs, pwLogClust, pCharProps, pOutGlyphProps);
2650 heap_free(rChars);
2651 }
2652 else
2653 {
2654 TRACE("no glyph translation\n");
2655 for (i = 0; i < cChars; i++)
2656 {
2657 int idx = i;
2658 /* No mirroring done here */
2659 if (rtl) idx = cChars - 1 - i;
2660 pwOutGlyphs[i] = pwcChars[idx];
2661 }
2662 }
2663
2664 return S_OK;
2665 }
2666
2667
2668 /***********************************************************************
2669 * ScriptShape (USP10.@)
2670 *
2671 * Produce glyphs and visual attributes for a run.
2672 *
2673 * PARAMS
2674 * hdc [I] Device context.
2675 * psc [I/O] Opaque pointer to a script cache.
2676 * pwcChars [I] Array of characters specifying the run.
2677 * cChars [I] Number of characters in pwcChars.
2678 * cMaxGlyphs [I] Length of pwOutGlyphs.
2679 * psa [I/O] Script analysis.
2680 * pwOutGlyphs [O] Array of glyphs.
2681 * pwLogClust [O] Array of logical cluster info.
2682 * psva [O] Array of visual attributes.
2683 * pcGlyphs [O] Number of glyphs returned.
2684 *
2685 * RETURNS
2686 * Success: S_OK
2687 * Failure: Non-zero HRESULT value.
2688 */
2689 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
2690 int cChars, int cMaxGlyphs,
2691 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
2692 SCRIPT_VISATTR *psva, int *pcGlyphs)
2693 {
2694 HRESULT hr;
2695 int i;
2696 SCRIPT_CHARPROP *charProps;
2697 SCRIPT_GLYPHPROP *glyphProps;
2698
2699 if (!psva || !pcGlyphs) return E_INVALIDARG;
2700 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2701
2702 charProps = heap_alloc_zero(sizeof(SCRIPT_CHARPROP)*cChars);
2703 if (!charProps) return E_OUTOFMEMORY;
2704 glyphProps = heap_alloc_zero(sizeof(SCRIPT_GLYPHPROP)*cMaxGlyphs);
2705 if (!glyphProps)
2706 {
2707 heap_free(charProps);
2708 return E_OUTOFMEMORY;
2709 }
2710
2711 hr = ScriptShapeOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, pwcChars, cChars, cMaxGlyphs, pwLogClust, charProps, pwOutGlyphs, glyphProps, pcGlyphs);
2712
2713 if (SUCCEEDED(hr))
2714 {
2715 for (i = 0; i < *pcGlyphs; i++)
2716 psva[i] = glyphProps[i].sva;
2717 }
2718
2719 heap_free(charProps);
2720 heap_free(glyphProps);
2721
2722 return hr;
2723 }
2724
2725 /***********************************************************************
2726 * ScriptPlaceOpenType (USP10.@)
2727 *
2728 * Produce advance widths for a run.
2729 *
2730 * PARAMS
2731 * hdc [I] Device context.
2732 * psc [I/O] Opaque pointer to a script cache.
2733 * psa [I/O] String analysis.
2734 * tagScript [I] The OpenType tag for the Script
2735 * tagLangSys [I] The OpenType tag for the Language
2736 * rcRangeChars[I] Array of Character counts in each range
2737 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2738 * cRanges [I] Count of ranges
2739 * pwcChars [I] Array of characters specifying the run.
2740 * pwLogClust [I] Array of logical cluster info
2741 * pCharProps [I] Array of character property values
2742 * cChars [I] Number of characters in pwcChars.
2743 * pwGlyphs [I] Array of glyphs.
2744 * pGlyphProps [I] Array of attributes for the retrieved glyphs
2745 * cGlyphs [I] Count of Glyphs
2746 * piAdvance [O] Array of advance widths.
2747 * pGoffset [O] Glyph offsets.
2748 * pABC [O] Combined ABC width.
2749 *
2750 * RETURNS
2751 * Success: S_OK
2752 * Failure: Non-zero HRESULT value.
2753 */
2754
2755 HRESULT WINAPI ScriptPlaceOpenType( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
2756 OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys,
2757 int *rcRangeChars, TEXTRANGE_PROPERTIES **rpRangeProperties,
2758 int cRanges, const WCHAR *pwcChars, WORD *pwLogClust,
2759 SCRIPT_CHARPROP *pCharProps, int cChars,
2760 const WORD *pwGlyphs, const SCRIPT_GLYPHPROP *pGlyphProps,
2761 int cGlyphs, int *piAdvance,
2762 GOFFSET *pGoffset, ABC *pABC
2763 )
2764 {
2765 HRESULT hr;
2766 int i;
2767
2768 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %p, %p, %d, %p, %p, %d, %p %p %p)\n",
2769 hdc, psc, psa,
2770 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2771 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2772 pwLogClust, pCharProps, cChars, pwGlyphs, pGlyphProps, cGlyphs, piAdvance,
2773 pGoffset, pABC);
2774
2775 if (!pGlyphProps) return E_INVALIDARG;
2776 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2777 if (!pGoffset) return E_FAIL;
2778
2779 if (cRanges)
2780 FIXME("Ranges not supported yet\n");
2781
2782 ((ScriptCache *)*psc)->userScript = tagScript;
2783 ((ScriptCache *)*psc)->userLang = tagLangSys;
2784
2785 if (pABC) memset(pABC, 0, sizeof(ABC));
2786 for (i = 0; i < cGlyphs; i++)
2787 {
2788 ABC abc;
2789 if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
2790 {
2791 if (!hdc) return E_PENDING;
2792 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
2793 {
2794 if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
2795 }
2796 else
2797 {
2798 INT width;
2799 if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
2800 abc.abcB = width;
2801 abc.abcA = abc.abcC = 0;
2802 }
2803 set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
2804 }
2805 if (pABC)
2806 {
2807 pABC->abcA += abc.abcA;
2808 pABC->abcB += abc.abcB;
2809 pABC->abcC += abc.abcC;
2810 }
2811 /* FIXME: set to more reasonable values */
2812 pGoffset[i].du = pGoffset[i].dv = 0;
2813 if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC;
2814 }
2815
2816 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
2817 return S_OK;
2818 }
2819
2820 /***********************************************************************
2821 * ScriptPlace (USP10.@)
2822 *
2823 * Produce advance widths for a run.
2824 *
2825 * PARAMS
2826 * hdc [I] Device context.
2827 * psc [I/O] Opaque pointer to a script cache.
2828 * pwGlyphs [I] Array of glyphs.
2829 * cGlyphs [I] Number of glyphs in pwGlyphs.
2830 * psva [I] Array of visual attributes.
2831 * psa [I/O] String analysis.
2832 * piAdvance [O] Array of advance widths.
2833 * pGoffset [O] Glyph offsets.
2834 * pABC [O] Combined ABC width.
2835 *
2836 * RETURNS
2837 * Success: S_OK
2838 * Failure: Non-zero HRESULT value.
2839 */
2840 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
2841 int cGlyphs, const SCRIPT_VISATTR *psva,
2842 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
2843 {
2844 HRESULT hr;
2845 SCRIPT_GLYPHPROP *glyphProps;
2846 int i;
2847
2848 TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
2849 piAdvance, pGoffset, pABC);
2850
2851 if (!psva) return E_INVALIDARG;
2852 if (!pGoffset) return E_FAIL;
2853
2854 glyphProps = heap_alloc(sizeof(SCRIPT_GLYPHPROP)*cGlyphs);
2855 if (!glyphProps) return E_OUTOFMEMORY;
2856
2857 for (i = 0; i < cGlyphs; i++)
2858 glyphProps[i].sva = psva[i];
2859
2860 hr = ScriptPlaceOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, NULL, NULL, NULL, 0, pwGlyphs, glyphProps, cGlyphs, piAdvance, pGoffset, pABC);
2861
2862 heap_free(glyphProps);
2863
2864 return hr;
2865 }
2866
2867 /***********************************************************************
2868 * ScriptGetCMap (USP10.@)
2869 *
2870 * Retrieve glyph indices.
2871 *
2872 * PARAMS
2873 * hdc [I] Device context.
2874 * psc [I/O] Opaque pointer to a script cache.
2875 * pwcInChars [I] Array of Unicode characters.
2876 * cChars [I] Number of characters in pwcInChars.
2877 * dwFlags [I] Flags.
2878 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
2879 *
2880 * RETURNS
2881 * Success: S_OK
2882 * Failure: Non-zero HRESULT value.
2883 */
2884 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
2885 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
2886 {
2887 HRESULT hr;
2888 int i;
2889
2890 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
2891 cChars, dwFlags, pwOutGlyphs);
2892
2893 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2894
2895 hr = S_OK;
2896
2897 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2898 {
2899 for (i = 0; i < cChars; i++)
2900 {
2901 WCHAR inChar;
2902 if (dwFlags == SGCM_RTL)
2903 inChar = mirror_char(pwcInChars[i]);
2904 else
2905 inChar = pwcInChars[i];
2906 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar)))
2907 {
2908 WORD glyph;
2909 if (!hdc) return E_PENDING;
2910 if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
2911 if (glyph == 0xffff)
2912 {
2913 hr = S_FALSE;
2914 glyph = 0x0;
2915 }
2916 pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph);
2917 }
2918 }
2919 }
2920 else
2921 {
2922 TRACE("no glyph translation\n");
2923 for (i = 0; i < cChars; i++)
2924 {
2925 WCHAR inChar;
2926 if (dwFlags == SGCM_RTL)
2927 inChar = mirror_char(pwcInChars[i]);
2928 else
2929 inChar = pwcInChars[i];
2930 pwOutGlyphs[i] = inChar;
2931 }
2932 }
2933 return hr;
2934 }
2935
2936 /***********************************************************************
2937 * ScriptTextOut (USP10.@)
2938 *
2939 */
2940 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
2941 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
2942 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
2943 const int *piJustify, const GOFFSET *pGoffset)
2944 {
2945 HRESULT hr = S_OK;
2946
2947 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
2948 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
2949 piAdvance, piJustify, pGoffset);
2950
2951 if (!hdc || !psc) return E_INVALIDARG;
2952 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
2953
2954 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
2955 fuOptions |= ETO_IGNORELANGUAGE;
2956 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
2957 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
2958
2959 if (psa->fRTL && psa->fLogicalOrder)
2960 {
2961 int i;
2962 WORD *rtlGlyphs;
2963
2964 rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD));
2965 if (!rtlGlyphs)
2966 return E_OUTOFMEMORY;
2967
2968 for (i = 0; i < cGlyphs; i++)
2969 rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i];
2970
2971 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL))
2972 hr = S_FALSE;
2973 heap_free(rtlGlyphs);
2974 }
2975 else
2976 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
2977 hr = S_FALSE;
2978
2979 return hr;
2980 }
2981
2982 /***********************************************************************
2983 * ScriptCacheGetHeight (USP10.@)
2984 *
2985 * Retrieve the height of the font in the cache.
2986 *
2987 * PARAMS
2988 * hdc [I] Device context.
2989 * psc [I/O] Opaque pointer to a script cache.
2990 * height [O] Receives font height.
2991 *
2992 * RETURNS
2993 * Success: S_OK
2994 * Failure: Non-zero HRESULT value.
2995 */
2996 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
2997 {
2998 HRESULT hr;
2999
3000 TRACE("(%p, %p, %p)\n", hdc, psc, height);
3001
3002 if (!height) return E_INVALIDARG;
3003 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
3004
3005 *height = get_cache_height(psc);
3006 return S_OK;
3007 }
3008
3009 /***********************************************************************
3010 * ScriptGetGlyphABCWidth (USP10.@)
3011 *
3012 * Retrieve the width of a glyph.
3013 *
3014 * PARAMS
3015 * hdc [I] Device context.
3016 * psc [I/O] Opaque pointer to a script cache.
3017 * glyph [I] Glyph to retrieve the width for.
3018 * abc [O] ABC widths of the glyph.
3019 *
3020 * RETURNS
3021 * Success: S_OK
3022 * Failure: Non-zero HRESULT value.
3023 */
3024 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
3025 {
3026 HRESULT hr;
3027
3028 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
3029
3030 if (!abc) return E_INVALIDARG;
3031 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
3032
3033 if (!get_cache_glyph_widths(psc, glyph, abc))
3034 {
3035 if (!hdc) return E_PENDING;
3036 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
3037 {
3038 if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
3039 }
3040 else
3041 {
3042 INT width;
3043 if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
3044 abc->abcB = width;
3045 abc->abcA = abc->abcC = 0;
3046 }
3047 set_cache_glyph_widths(psc, glyph, abc);
3048 }
3049 return S_OK;
3050 }
3051
3052 /***********************************************************************
3053 * ScriptLayout (USP10.@)
3054 *
3055 * Map embedding levels to visual and/or logical order.
3056 *
3057 * PARAMS
3058 * runs [I] Size of level array.
3059 * level [I] Array of embedding levels.
3060 * vistolog [O] Map of embedding levels from visual to logical order.
3061 * logtovis [O] Map of embedding levels from logical to visual order.
3062 *
3063 * RETURNS
3064 * Success: S_OK
3065 * Failure: Non-zero HRESULT value.
3066 *
3067 * BUGS
3068 * This stub works correctly for any sequence of a single
3069 * embedding level but not for sequences of different
3070 * embedding levels, i.e. mixtures of RTL and LTR scripts.
3071 */
3072 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
3073 {
3074 int* indexs;
3075 int ich;
3076
3077 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
3078
3079 if (!level || (!vistolog && !logtovis))
3080 return E_INVALIDARG;
3081
3082 indexs = heap_alloc(sizeof(int) * runs);
3083 if (!indexs)
3084 return E_OUTOFMEMORY;
3085
3086
3087 if (vistolog)
3088 {
3089 for( ich = 0; ich < runs; ich++)
3090 indexs[ich] = ich;
3091
3092 ich = 0;
3093 while (ich < runs)
3094 ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
3095 for (ich = 0; ich < runs; ich++)
3096 vistolog[ich] = indexs[ich];
3097 }
3098
3099
3100 if (logtovis)
3101 {
3102 for( ich = 0; ich < runs; ich++)
3103 indexs[ich] = ich;
3104
3105 ich = 0;
3106 while (ich < runs)
3107 ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
3108 for (ich = 0; ich < runs; ich++)
3109 logtovis[ich] = indexs[ich];
3110 }
3111 heap_free(indexs);
3112
3113 return S_OK;
3114 }
3115
3116 /***********************************************************************
3117 * ScriptStringGetLogicalWidths (USP10.@)
3118 *
3119 * Returns logical widths from a string analysis.
3120 *
3121 * PARAMS
3122 * ssa [I] string analysis.
3123 * piDx [O] logical widths returned.
3124 *
3125 * RETURNS
3126 * Success: S_OK
3127 * Failure: a non-zero HRESULT.
3128 */
3129 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
3130 {
3131 int i, j, next = 0;
3132 StringAnalysis *analysis = ssa;
3133
3134 TRACE("%p, %p\n", ssa, piDx);
3135
3136 if (!analysis) return S_FALSE;
3137 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
3138
3139 for (i = 0; i < analysis->numItems; i++)
3140 {
3141 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
3142 int direction = 1;
3143
3144 if (analysis->pItem[i].a.fRTL && ! analysis->pItem[i].a.fLogicalOrder)
3145 direction = -1;
3146
3147 for (j = 0; j < cChar; j++)
3148 {
3149 int k;
3150 int glyph = analysis->glyphs[i].pwLogClust[j];
3151 int clust_size = get_cluster_size(analysis->glyphs[i].pwLogClust,
3152 cChar, j, direction, NULL, NULL);
3153 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);
3154
3155 for (k = 0; k < clust_size; k++)
3156 {
3157 piDx[next] = advance / clust_size;
3158 next++;
3159 if (k) j++;
3160 }
3161 }
3162 }
3163 return S_OK;
3164 }
3165
3166 /***********************************************************************
3167 * ScriptStringValidate (USP10.@)
3168 *
3169 * Validate a string analysis.
3170 *
3171 * PARAMS
3172 * ssa [I] string analysis.
3173 *
3174 * RETURNS
3175 * Success: S_OK
3176 * Failure: S_FALSE if invalid sequences are found
3177 * or a non-zero HRESULT if it fails.
3178 */
3179 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
3180 {
3181 StringAnalysis *analysis = ssa;
3182
3183 TRACE("(%p)\n", ssa);
3184
3185 if (!analysis) return E_INVALIDARG;
3186 return (analysis->invalid) ? S_FALSE : S_OK;
3187 }
3188
3189 /***********************************************************************
3190 * ScriptString_pSize (USP10.@)
3191 *
3192 * Retrieve width and height of an analysed string.
3193 *
3194 * PARAMS
3195 * ssa [I] string analysis.
3196 *
3197 * RETURNS
3198 * Success: Pointer to a SIZE structure.
3199 * Failure: NULL
3200 */
3201 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
3202 {
3203 int i, j;
3204 StringAnalysis *analysis = ssa;
3205
3206 TRACE("(%p)\n", ssa);
3207
3208 if (!analysis) return NULL;
3209 if (!(analysis->dwFlags & SSA_GLYPHS)) return NULL;
3210
3211 if (!analysis->sz)
3212 {
3213 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
3214 analysis->sz->cy = analysis->glyphs[0].sc->tm.tmHeight;
3215
3216 analysis->sz->cx = 0;
3217 for (i = 0; i < analysis->numItems; i++)
3218 {
3219 if (analysis->glyphs[i].sc->tm.tmHeight > analysis->sz->cy)
3220 analysis->sz->cy = analysis->glyphs[i].sc->tm.tmHeight;
3221 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
3222 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
3223 }
3224 }
3225 return analysis->sz;
3226 }
3227
3228 /***********************************************************************
3229 * ScriptString_pLogAttr (USP10.@)
3230 *
3231 * Retrieve logical attributes of an analysed string.
3232 *
3233 * PARAMS
3234 * ssa [I] string analysis.
3235 *
3236 * RETURNS
3237 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
3238 * Failure: NULL
3239 */
3240 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
3241 {
3242 StringAnalysis *analysis = ssa;
3243
3244 TRACE("(%p)\n", ssa);
3245
3246 if (!analysis) return NULL;
3247 if (!(analysis->dwFlags & SSA_BREAK)) return NULL;
3248 return analysis->logattrs;
3249 }
3250
3251 /***********************************************************************
3252 * ScriptString_pcOutChars (USP10.@)
3253 *
3254 * Retrieve the length of a string after clipping.
3255 *
3256 * PARAMS
3257 * ssa [I] String analysis.
3258 *
3259 * RETURNS
3260 * Success: Pointer to the length.
3261 * Failure: NULL
3262 */
3263 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
3264 {
3265 StringAnalysis *analysis = ssa;
3266
3267 TRACE("(%p)\n", ssa);
3268
3269 if (!analysis) return NULL;
3270 return &analysis->clip_len;
3271 }
3272
3273 /***********************************************************************
3274 * ScriptStringGetOrder (USP10.@)
3275 *
3276 * Retrieve a glyph order map.
3277 *
3278 * PARAMS
3279 * ssa [I] String analysis.
3280 * order [I/O] Array of glyph positions.
3281 *
3282 * RETURNS
3283 * Success: S_OK
3284 * Failure: a non-zero HRESULT.
3285 */
3286 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
3287 {
3288 int i, j;
3289 unsigned int k;
3290 StringAnalysis *analysis = ssa;
3291
3292 TRACE("(%p)\n", ssa);
3293
3294 if (!analysis) return S_FALSE;
3295 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
3296
3297 /* FIXME: handle RTL scripts */
3298 for (i = 0, k = 0; i < analysis->numItems; i++)
3299 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
3300 order[k] = k;
3301
3302 return S_OK;
3303 }
3304
3305 /***********************************************************************
3306 * ScriptGetLogicalWidths (USP10.@)
3307 *
3308 * Convert advance widths to logical widths.
3309 *
3310 * PARAMS
3311 * sa [I] Script analysis.
3312 * nbchars [I] Number of characters.
3313 * nbglyphs [I] Number of glyphs.
3314 * glyph_width [I] Array of glyph widths.
3315 * log_clust [I] Array of logical clusters.
3316 * sva [I] Visual attributes.
3317 * widths [O] Array of logical widths.
3318 *
3319 * RETURNS
3320 * Success: S_OK
3321 * Failure: a non-zero HRESULT.
3322 */
3323 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
3324 const int *glyph_width, const WORD *log_clust,
3325 const SCRIPT_VISATTR *sva, int *widths)
3326 {
3327 int i;
3328
3329 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
3330 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
3331
3332 /* FIXME */
3333 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
3334 return S_OK;
3335 }
3336
3337 /***********************************************************************
3338 * ScriptApplyLogicalWidth (USP10.@)
3339 *
3340 * Generate glyph advance widths.
3341 *
3342 * PARAMS
3343 * dx [I] Array of logical advance widths.
3344 * num_chars [I] Number of characters.
3345 * num_glyphs [I] Number of glyphs.
3346 * log_clust [I] Array of logical clusters.
3347 * sva [I] Visual attributes.
3348 * advance [I] Array of glyph advance widths.
3349 * sa [I] Script analysis.
3350 * abc [I/O] Summed ABC widths.
3351 * justify [O] Array of glyph advance widths.
3352 *
3353 * RETURNS
3354 * Success: S_OK
3355 * Failure: a non-zero HRESULT.
3356 */
3357 HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs,
3358 const WORD *log_clust, const SCRIPT_VISATTR *sva,
3359 const int *advance, const SCRIPT_ANALYSIS *sa,
3360 ABC *abc, int *justify)
3361 {
3362 int i;
3363
3364 FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n",
3365 dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify);
3366
3367 for (i = 0; i < num_chars; i++) justify[i] = advance[i];
3368 return S_OK;
3369 }
3370
3371 HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance,
3372 int num_glyphs, int dx, int min_kashida, int *justify)
3373 {
3374 int i;
3375
3376 FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify);
3377
3378 for (i = 0; i < num_glyphs; i++) justify[i] = advance[i];
3379 return S_OK;
3380 }
Windows API implementation