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usp10: Add Braille script.
[wine/multimedia.git] / dlls / usp10 / usp10.c
blob1efeed9c471650876e1367d0d8ac454b2f7a590d
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 /* Ogham: U+1680–U+169F */
126 { Script_Ogham, 0x1680, 0x169f, 0, 0},
127 /* Runic: U+16A0–U+16F0 */
128 { Script_Runic, 0x16a0, 0x16f0, 0, 0},
129 /* Khmer: U+1780–U+17FF */
130 { Script_Khmer, 0x1780, 0x17ff, Script_Khmer_Numeric, 0},
131 /* Mongolian: U+1800–U+18AF */
132 { Script_Mongolian, 0x1800, 0x18af, Script_Mongolian_Numeric, 0},
133 /* Canadian Aboriginal Syllabics Extended: U+18B0–U+18FF */
134 { Script_Canadian, 0x18b0, 0x18ff, 0, 0},
135 /* Tai Le: U+1950–U+197F */
136 { Script_Tai_Le, 0x1950, 0x197f, 0, 0},
137 /* New Tai Lue: U+1980–U+19DF */
138 { Script_New_Tai_Lue,0x1980, 0x19df, Script_New_Tai_Lue_Numeric, 0},
139 /* Khmer Symbols: U+19E0–U+19FF */
140 { Script_Khmer, 0x19e0, 0x19ff, Script_Khmer_Numeric, 0},
141 /* Vedic Extensions: U+1CD0-U+1CFF */
142 { Script_Devanagari, 0x1cd0, 0x1cff, Script_Devanagari_Numeric, 0},
143 /* Phonetic Extensions: U+1D00–U+1DBF */
144 { Script_Latin, 0x1d00, 0x1dbf, 0, 0},
145 /* Combining Diacritical Marks Supplement: U+1DC0–U+1DFF */
146 { Script_Diacritical,0x1dc0, 0x1dff, 0, 0},
147 /* Latin Extended Additional: U+1E00–U+1EFF */
148 { Script_Latin, 0x1e00, 0x1eff, 0, 0},
149 /* Greek Extended: U+1F00–U+1FFF */
150 { Script_Greek, 0x1f00, 0x1fff, 0, 0},
151 /* General Punctuation: U+2000 –U+206f */
152 { Script_Latin, 0x2000, 0x206f, 0, 0},
153 /* Superscripts and Subscripts : U+2070 –U+209f */
154 /* Currency Symbols : U+20a0 –U+20cf */
155 { Script_Numeric2, 0x2070, 0x2070, 0, 0},
156 { Script_Latin, 0x2071, 0x2073, 0, 0},
157 { Script_Numeric2, 0x2074, 0x2079, 0, 0},
158 { Script_Latin, 0x207a, 0x207f, 0, 0},
159 { Script_Numeric2, 0x2080, 0x2089, 0, 0},
160 { Script_Latin, 0x208a, 0x20cf, 0, 0},
161 /* Letterlike Symbols : U+2100 –U+214f */
162 /* Number Forms : U+2150 –U+218f */
163 /* Arrows : U+2190 –U+21ff */
164 /* Mathematical Operators : U+2200 –U+22ff */
165 /* Miscellaneous Technical : U+2300 –U+23ff */
166 /* Control Pictures : U+2400 –U+243f */
167 /* Optical Character Recognition : U+2440 –U+245f */
168 /* Enclosed Alphanumerics : U+2460 –U+24ff */
169 /* Box Drawing : U+2500 –U+25ff */
170 /* Block Elements : U+2580 –U+259f */
171 /* Geometric Shapes : U+25a0 –U+25ff */
172 /* Miscellaneous Symbols : U+2600 –U+26ff */
173 /* Dingbats : U+2700 –U+27bf */
174 /* Miscellaneous Mathematical Symbols-A : U+27c0 –U+27ef */
175 /* Supplemental Arrows-A : U+27f0 –U+27ff */
176 { Script_Latin, 0x2100, 0x27ff, 0, 0},
177 /* Braille Patterns: U+2800–U+28FF */
178 { Script_Braille, 0x2800, 0x28ff, 0, 0},
179 /* Supplemental Arrows-B : U+2900 –U+297f */
180 /* Miscellaneous Mathematical Symbols-B : U+2980 –U+29ff */
181 /* Supplemental Mathematical Operators : U+2a00 –U+2aff */
182 /* Miscellaneous Symbols and Arrows : U+2b00 –U+2bff */
183 { Script_Latin, 0x2900, 0x2bff, 0, 0},
184 /* Latin Extended-C: U+2C60–U+2C7F */
185 { Script_Latin, 0x2c60, 0x2c7f, 0, 0},
186 /* Georgian: U+2D00–U+2D2F */
187 { Script_Georgian, 0x2d00, 0x2d2f, 0, 0},
188 /* Tifinagh: U+2D30–U+2D7F */
189 { Script_Tifinagh, 0x2d30, 0x2d7f, 0, 0},
190 /* Ethiopic Extensions: U+2D80–U+2DDF */
191 { Script_Ethiopic, 0x2d80, 0x2ddf, 0, 0},
192 /* Cyrillic Extended-A: U+2DE0–U+2DFF */
193 { Script_Cyrillic, 0x2de0, 0x2dff, 0, 0},
194 /* CJK Radicals Supplement: U+2E80–U+2EFF */
195 /* Kangxi Radicals: U+2F00–U+2FDF */
196 { Script_CJK_Han, 0x2e80, 0x2fdf, 0, 0},
197 /* Ideographic Description Characters: U+2FF0–U+2FFF */
198 { Script_Ideograph ,0x2ff0, 0x2fff, 0, 0},
199 /* CJK Symbols and Punctuation: U+3000–U+303F */
200 { Script_Ideograph ,0x3000, 0x3004, 0, 0},
201 { Script_CJK_Han ,0x3005, 0x3005, 0, 0},
202 { Script_Ideograph ,0x3006, 0x3006, 0, 0},
203 { Script_CJK_Han ,0x3007, 0x3007, 0, 0},
204 { Script_Ideograph ,0x3008, 0x3020, 0, 0},
205 { Script_CJK_Han ,0x3021, 0x3029, 0, 0},
206 { Script_Ideograph ,0x302a, 0x3030, 0, 0},
207 /* Kana Marks: */
208 { Script_Kana ,0x3031, 0x3035, 0, 0},
209 { Script_Ideograph ,0x3036, 0x3037, 0, 0},
210 { Script_CJK_Han ,0x3038, 0x303b, 0, 0},
211 { Script_Ideograph ,0x303c, 0x303f, 0, 0},
212 /* Hiragana: U+3040–U+309F */
213 /* Katakana: U+30A0–U+30FF */
214 { Script_Kana ,0x3040, 0x30ff, 0, 0},
215 /* Bopomofo: U+3100–U+312F */
216 { Script_Bopomofo ,0x3100, 0x312f, 0, 0},
217 /* Hangul Compatibility Jamo: U+3130–U+318F */
218 { Script_Hangul ,0x3130, 0x318f, 0, 0},
219 /* Kanbun: U+3190–U+319F */
220 { Script_Ideograph ,0x3190, 0x319f, 0, 0},
221 /* Bopomofo Extended: U+31A0–U+31BF */
222 { Script_Bopomofo ,0x31a0, 0x31bf, 0, 0},
223 /* CJK Strokes: U+31C0–U+31EF */
224 { Script_Ideograph ,0x31c0, 0x31ef, 0, 0},
225 /* Katakana Phonetic Extensions: U+31F0–U+31FF */
226 { Script_Kana ,0x31f0, 0x31ff, 0, 0},
227 /* Enclosed CJK Letters and Months: U+3200–U+32FF */
228 { Script_Hangul ,0x3200, 0x321f, 0, 0},
229 { Script_Ideograph ,0x3220, 0x325f, 0, 0},
230 { Script_Hangul ,0x3260, 0x327f, 0, 0},
231 { Script_Ideograph ,0x3280, 0x32ef, 0, 0},
232 { Script_Kana ,0x32d0, 0x31ff, 0, 0},
233 /* CJK Compatibility: U+3300–U+33FF*/
234 { Script_Kana ,0x3300, 0x3357, 0, 0},
235 { Script_Ideograph ,0x3358, 0x33ff, 0, 0},
236 /* CJK Unified Ideographs Extension A: U+3400–U+4DBF */
237 { Script_CJK_Han ,0x3400, 0x4dbf, 0, 0},
238 /* CJK Unified Ideographs: U+4E00–U+9FFF */
239 { Script_CJK_Han ,0x4e00, 0x9fff, 0, 0},
240 /* Yi: U+A000–U+A4CF */
241 { Script_Yi ,0xa000, 0xa4cf, 0, 0},
242 /* Vai: U+A500–U+A63F */
243 { Script_Vai ,0xa500, 0xa63f, Script_Vai_Numeric, 0},
244 /* Cyrillic Extended-B: U+A640–U+A69F */
245 { Script_Cyrillic, 0xa640, 0xa69f, 0, 0},
246 /* Modifier Tone Letters: U+A700–U+A71F */
247 /* Latin Extended-D: U+A720–U+A7FF */
248 { Script_Latin, 0xa700, 0xa7ff, 0, 0},
249 /* Phags-pa: U+A840–U+A87F */
250 { Script_Phags_pa, 0xa840, 0xa87f, 0, 0},
251 /* Devanagari Extended: U+A8E0-U+A8FF */
252 { Script_Devanagari, 0xa8e0, 0xa8ff, Script_Devanagari_Numeric, 0},
253 /* Myanmar Extended-A: U+AA60–U+AA7F */
254 { Script_Myanmar, 0xaa60, 0xaa7f, Script_Myanmar_Numeric, 0},
255 /* Hangul Jamo Extended-A: U+A960–U+A97F */
256 { Script_Hangul, 0xa960, 0xa97f, 0, 0},
257 /* Hangul Syllables: U+AC00–U+D7A3 */
258 { Script_Hangul, 0xac00, 0xd7a3, 0, 0},
259 /* Hangul Jamo Extended-B: U+D7B0–U+D7FF */
260 { Script_Hangul, 0xd7b0, 0xd7ff, 0, 0},
261 /* CJK Compatibility Ideographs: U+F900–U+FAFF */
262 { Script_CJK_Han ,0xf900, 0xfaff, 0, 0},
263 /* Latin Ligatures: U+FB00–U+FB06 */
264 { Script_Latin, 0xfb00, 0xfb06, 0, 0},
265 /* Armenian ligatures U+FB13..U+FB17 */
266 { Script_Armenian, 0xfb13, 0xfb17, 0, 0},
267 /* Alphabetic Presentation Forms: U+FB1D–U+FB4F */
268 { Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0},
269 /* Arabic Presentation Forms-A: U+FB50–U+FDFF*/
270 { Script_Arabic, 0xfb50, 0xfdff, 0, 0},
271 /* Vertical Forms: U+FE10–U+FE1F */
272 /* Combining Half Marks: U+FE20–U+FE2F */
273 /* CJK Compatibility Forms: U+FE30–U+FE4F */
274 /* Small Form Variants: U+FE50–U+FE6F */
275 { Script_Ideograph ,0xfe10, 0xfe6f, 0, 0},
276 /* Arabic Presentation Forms-B: U+FE70–U+FEFF*/
277 { Script_Arabic, 0xfe70, 0xfeff, 0, 0},
278 /* Halfwidth and Fullwidth Forms: U+FF00–FFEF */
279 { Script_Ideograph ,0xff00, 0xff64, Script_Numeric2, 0},
280 { Script_Kana ,0xff65, 0xff9f, 0, 0},
281 { Script_Hangul ,0xffa0, 0xffdf, 0, 0},
282 { Script_Ideograph ,0xffe0, 0xffef, 0, 0},
283 /* END */
284 { SCRIPT_UNDEFINED, 0, 0, 0}
285 };
286
287 typedef struct _scriptData
288 {
289 SCRIPT_ANALYSIS a;
290 SCRIPT_PROPERTIES props;
291 OPENTYPE_TAG scriptTag;
292 WCHAR fallbackFont[LF_FACESIZE];
293 } scriptData;
294
295 /* the must be in order so that the index matches the Script value */
296 static const scriptData scriptInformation[] = {
297 {{SCRIPT_UNDEFINED, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
298 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
299 0x00000000,
300 {0}},
301 {{Script_Latin, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
302 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
303 MS_MAKE_TAG('l','a','t','n'),
304 {0}},
305 {{Script_CR, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
306 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
307 0x00000000,
308 {0}},
309 {{Script_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
310 {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
311 0x00000000,
312 {0}},
313 {{Script_Control, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
314 {LANG_ENGLISH, 0, 1, 0, 0, ANSI_CHARSET, 1, 0, 0, 0, 0, 0, 1, 0, 0},
315 0x00000000,
316 {0}},
317 {{Script_Punctuation, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
318 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
319 0x00000000,
320 {0}},
321 {{Script_Arabic, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
322 {LANG_ARABIC, 0, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 1, 0},
323 MS_MAKE_TAG('a','r','a','b'),
324 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
325 {{Script_Arabic_Numeric, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
326 {LANG_ARABIC, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
327 MS_MAKE_TAG('a','r','a','b'),
328 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
329 {{Script_Hebrew, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
330 {LANG_HEBREW, 0, 1, 0, 1, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
331 MS_MAKE_TAG('h','e','b','r'),
332 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
333 {{Script_Syriac, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
334 {LANG_SYRIAC, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 1, 0},
335 MS_MAKE_TAG('s','y','r','c'),
336 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
337 {{Script_Persian, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
338 {LANG_PERSIAN, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
339 MS_MAKE_TAG('s','y','r','c'),
340 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
341 {{Script_Thaana, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
342 {LANG_DIVEHI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
343 MS_MAKE_TAG('t','h','a','a'),
344 {'M','V',' ','B','o','l','i',0}},
345 {{Script_Greek, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
346 {LANG_GREEK, 0, 0, 0, 0, GREEK_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
347 MS_MAKE_TAG('g','r','e','k'),
348 {0}},
349 {{Script_Cyrillic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
350 {LANG_RUSSIAN, 0, 0, 0, 0, RUSSIAN_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
351 MS_MAKE_TAG('c','y','r','l'),
352 {0}},
353 {{Script_Armenian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
354 {LANG_ARMENIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
355 MS_MAKE_TAG('a','r','m','n'),
356 {'S','y','l','f','a','e','n',0}},
357 {{Script_Georgian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
358 {LANG_GEORGIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
359 MS_MAKE_TAG('g','e','o','r'),
360 {'S','y','l','f','a','e','n',0}},
361 {{Script_Sinhala, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
362 {LANG_SINHALESE, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
363 MS_MAKE_TAG('s','i','n','h'),
364 {'I','s','k','o','o','l','a',' ','P','o','t','a',0}},
365 {{Script_Tibetan, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
366 {LANG_TIBETAN, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
367 MS_MAKE_TAG('t','i','b','t'),
368 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
369 {{Script_Tibetan_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
370 {LANG_TIBETAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
371 MS_MAKE_TAG('t','i','b','t'),
372 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
373 {{Script_Phags_pa, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
374 {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
375 MS_MAKE_TAG('p','h','a','g'),
376 {'M','i','c','r','o','s','o','f','t',' ','P','h','a','g','s','P','a',0}},
377 {{Script_Thai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
378 {LANG_THAI, 0, 1, 1, 1, THAI_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 1},
379 MS_MAKE_TAG('t','h','a','i'),
380 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
381 {{Script_Thai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
382 {LANG_THAI, 1, 1, 0, 0, THAI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
383 MS_MAKE_TAG('t','h','a','i'),
384 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
385 {{Script_Lao, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
386 {LANG_LAO, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
387 MS_MAKE_TAG('l','a','o',' '),
388 {'D','o','k','C','h','a','m','p','a',0}},
389 {{Script_Lao_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
390 {LANG_LAO, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
391 MS_MAKE_TAG('l','a','o',' '),
392 {'D','o','k','C','h','a','m','p','a',0}},
393 {{Script_Devanagari, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
394 {LANG_HINDI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
395 MS_MAKE_TAG('d','e','v','a'),
396 {'M','a','n','g','a','l',0}},
397 {{Script_Devanagari_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
398 {LANG_HINDI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
399 MS_MAKE_TAG('d','e','v','a'),
400 {'M','a','n','g','a','l',0}},
401 {{Script_Bengali, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
402 {LANG_BENGALI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
403 MS_MAKE_TAG('b','e','n','g'),
404 {'V','r','i','n','d','a',0}},
405 {{Script_Bengali_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
406 {LANG_BENGALI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
407 MS_MAKE_TAG('b','e','n','g'),
408 {'V','r','i','n','d','a',0}},
409 {{Script_Bengali_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
410 {LANG_BENGALI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
411 MS_MAKE_TAG('b','e','n','g'),
412 {'V','r','i','n','d','a',0}},
413 {{Script_Gurmukhi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
414 {LANG_PUNJABI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
415 MS_MAKE_TAG('g','u','r','u'),
416 {'R','a','a','v','i',0}},
417 {{Script_Gurmukhi_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
418 {LANG_PUNJABI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
419 MS_MAKE_TAG('g','u','r','u'),
420 {'R','a','a','v','i',0}},
421 {{Script_Gujarati, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
422 {LANG_GUJARATI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
423 MS_MAKE_TAG('g','u','j','r'),
424 {'S','h','r','u','t','i',0}},
425 {{Script_Gujarati_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
426 {LANG_GUJARATI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
427 MS_MAKE_TAG('g','u','j','r'),
428 {'S','h','r','u','t','i',0}},
429 {{Script_Gujarati_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
430 {LANG_GUJARATI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
431 MS_MAKE_TAG('g','u','j','r'),
432 {'S','h','r','u','t','i',0}},
433 {{Script_Oriya, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
434 {LANG_ORIYA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
435 MS_MAKE_TAG('o','r','y','a'),
436 {'K','a','l','i','n','g','a',0}},
437 {{Script_Oriya_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
438 {LANG_ORIYA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
439 MS_MAKE_TAG('o','r','y','a'),
440 {'K','a','l','i','n','g','a',0}},
441 {{Script_Tamil, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
442 {LANG_TAMIL, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
443 MS_MAKE_TAG('t','a','m','l'),
444 {'L','a','t','h','a',0}},
445 {{Script_Tamil_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
446 {LANG_TAMIL, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
447 MS_MAKE_TAG('t','a','m','l'),
448 {'L','a','t','h','a',0}},
449 {{Script_Telugu, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
450 {LANG_TELUGU, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
451 MS_MAKE_TAG('t','e','l','u'),
452 {'G','a','u','t','a','m','i',0}},
453 {{Script_Telugu_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
454 {LANG_TELUGU, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
455 MS_MAKE_TAG('t','e','l','u'),
456 {'G','a','u','t','a','m','i',0}},
457 {{Script_Kannada, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
458 {LANG_KANNADA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
459 MS_MAKE_TAG('k','n','d','a'),
460 {'T','u','n','g','a',0}},
461 {{Script_Kannada_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
462 {LANG_KANNADA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
463 MS_MAKE_TAG('k','n','d','a'),
464 {'T','u','n','g','a',0}},
465 {{Script_Malayalam, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
466 {LANG_MALAYALAM, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
467 MS_MAKE_TAG('m','l','y','m'),
468 {'K','a','r','t','i','k','a',0}},
469 {{Script_Malayalam_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
470 {LANG_MALAYALAM, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
471 MS_MAKE_TAG('m','l','y','m'),
472 {'K','a','r','t','i','k','a',0}},
473 {{Script_Diacritical, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
474 {LANG_ENGLISH, 0, 1, 0, 1, ANSI_CHARSET, 0, 0, 0, 0, 0, 1, 1, 0, 0},
475 0x00000000,
476 {0}},
477 {{Script_Punctuation2, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
478 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
479 MS_MAKE_TAG('l','a','t','n'),
480 {0}},
481 {{Script_Numeric2, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
482 {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
483 0x00000000,
484 {0}},
485 {{Script_Myanmar, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
486 {0x55, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
487 MS_MAKE_TAG('m','y','m','r'),
488 {0}},
489 {{Script_Myanmar_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
490 {0x55, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
491 MS_MAKE_TAG('m','y','m','r'),
492 {0}},
493 {{Script_Tai_Le, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
494 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
495 MS_MAKE_TAG('t','a','l','e'),
496 {'M','i','c','r','o','s','o','f','t',' ','T','a','i',' ','L','e'}},
497 {{Script_New_Tai_Lue, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
498 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
499 MS_MAKE_TAG('t','a','l','u'),
500 {'M','i','c','r','o','s','o','f','t',' ','N','e','w',' ','T','a','i',' ','L','u','e'}},
501 {{Script_New_Tai_Lue_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
502 {0, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
503 MS_MAKE_TAG('t','a','l','u'),
504 {'M','i','c','r','o','s','o','f','t',' ','N','e','w',' ','T','a','i',' ','L','u','e'}},
505 {{Script_Khmer, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
506 {0x53, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
507 MS_MAKE_TAG('k','h','m','r'),
508 {'D','a','u','n','P','e','n','h'}},
509 {{Script_Khmer, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
510 {0x53, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
511 MS_MAKE_TAG('k','h','m','r'),
512 {'D','a','u','n','P','e','n','h'}},
513 {{Script_CJK_Han, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
514 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
515 MS_MAKE_TAG('h','a','n','i'),
516 {0}},
517 {{Script_Ideograph, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
518 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
519 MS_MAKE_TAG('h','a','n','i'),
520 {0}},
521 {{Script_Bopomofo, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
522 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
523 MS_MAKE_TAG('b','o','p','o'),
524 {0}},
525 {{Script_Kana, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
526 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
527 MS_MAKE_TAG('k','a','n','a'),
528 {0}},
529 {{Script_Hangul, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
530 {LANG_KOREAN, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
531 MS_MAKE_TAG('h','a','n','g'),
532 {0}},
533 {{Script_Yi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
534 {LANG_ENGLISH, 0, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
535 MS_MAKE_TAG('y','i',' ',' '),
536 {'M','i','c','r','o','s','o','f','t',' ','Y','i',' ','B','a','i','t','i'}},
537 {{Script_Ethiopic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
538 {0x5e, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
539 MS_MAKE_TAG('e','t','h','i'),
540 {'N','y','a','l','a'}},
541 {{Script_Ethiopic_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
542 {0x5e, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
543 MS_MAKE_TAG('e','t','h','i'),
544 {'N','y','a','l','a'}},
545 {{Script_Mongolian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
546 {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
547 MS_MAKE_TAG('m','o','n','g'),
548 {'M','o','n','g','o','l','i','a','n',' ','B','a','i','t','i'}},
549 {{Script_Mongolian_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
550 {LANG_MONGOLIAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
551 MS_MAKE_TAG('m','o','n','g'),
552 {'M','o','n','g','o','l','i','a','n',' ','B','a','i','t','i'}},
553 {{Script_Tifinagh, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
554 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
555 MS_MAKE_TAG('t','f','n','g'),
556 {'E','b','r','i','m','a'}},
557 {{Script_NKo, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
558 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
559 MS_MAKE_TAG('n','k','o',' '),
560 {0}},
561 {{Script_Vai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
562 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
563 MS_MAKE_TAG('v','a','i',' '),
564 {'E','b','r','i','m','a'}},
565 {{Script_Vai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
566 {0, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
567 MS_MAKE_TAG('v','a','i',' '),
568 {'E','b','r','i','m','a'}},
569 {{Script_Cherokee, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
570 {0x5c, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
571 MS_MAKE_TAG('c','h','e','r'),
572 {'P','l','a','n','t','a','g','e','n','e','t',' ','C','h','e','r','o','k','e','e'}},
573 {{Script_Canadian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
574 {0x5d, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
575 MS_MAKE_TAG('c','a','n','s'),
576 {'E','u','p','h','e','m','i','a'}},
577 {{Script_Ogham, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
578 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
579 MS_MAKE_TAG('o','g','a','m'),
580 {'S','e','g','o','e',' ','U','I',' ','S','y','m','b','o','l'}},
581 {{Script_Runic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
582 {0, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
583 MS_MAKE_TAG('r','u','n','r'),
584 {'S','e','g','o','e',' ','U','I',' ','S','y','m','b','o','l'}},
585 {{Script_Braille, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
586 {LANG_ENGLISH, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
587 MS_MAKE_TAG('b','r','a','i'),
588 {'S','e','g','o','e',' ','U','I',' ','S','y','m','b','o','l'}},
589 };
590
591 static const SCRIPT_PROPERTIES *script_props[] =
592 {
593 &scriptInformation[0].props, &scriptInformation[1].props,
594 &scriptInformation[2].props, &scriptInformation[3].props,
595 &scriptInformation[4].props, &scriptInformation[5].props,
596 &scriptInformation[6].props, &scriptInformation[7].props,
597 &scriptInformation[8].props, &scriptInformation[9].props,
598 &scriptInformation[10].props, &scriptInformation[11].props,
599 &scriptInformation[12].props, &scriptInformation[13].props,
600 &scriptInformation[14].props, &scriptInformation[15].props,
601 &scriptInformation[16].props, &scriptInformation[17].props,
602 &scriptInformation[18].props, &scriptInformation[19].props,
603 &scriptInformation[20].props, &scriptInformation[21].props,
604 &scriptInformation[22].props, &scriptInformation[23].props,
605 &scriptInformation[24].props, &scriptInformation[25].props,
606 &scriptInformation[26].props, &scriptInformation[27].props,
607 &scriptInformation[28].props, &scriptInformation[29].props,
608 &scriptInformation[30].props, &scriptInformation[31].props,
609 &scriptInformation[32].props, &scriptInformation[33].props,
610 &scriptInformation[34].props, &scriptInformation[35].props,
611 &scriptInformation[36].props, &scriptInformation[37].props,
612 &scriptInformation[38].props, &scriptInformation[39].props,
613 &scriptInformation[40].props, &scriptInformation[41].props,
614 &scriptInformation[42].props, &scriptInformation[43].props,
615 &scriptInformation[44].props, &scriptInformation[45].props,
616 &scriptInformation[46].props, &scriptInformation[47].props,
617 &scriptInformation[48].props, &scriptInformation[49].props,
618 &scriptInformation[50].props, &scriptInformation[51].props,
619 &scriptInformation[52].props, &scriptInformation[53].props,
620 &scriptInformation[54].props, &scriptInformation[55].props,
621 &scriptInformation[56].props, &scriptInformation[57].props,
622 &scriptInformation[58].props, &scriptInformation[59].props,
623 &scriptInformation[60].props, &scriptInformation[61].props,
624 &scriptInformation[62].props, &scriptInformation[63].props,
625 &scriptInformation[64].props, &scriptInformation[65].props,
626 &scriptInformation[66].props, &scriptInformation[67].props,
627 &scriptInformation[68].props, &scriptInformation[69].props,
628 &scriptInformation[70].props, &scriptInformation[71].props,
629 &scriptInformation[72].props
630 };
631
632 typedef struct {
633 ScriptCache *sc;
634 int numGlyphs;
635 WORD* glyphs;
636 WORD* pwLogClust;
637 int* piAdvance;
638 SCRIPT_VISATTR* psva;
639 GOFFSET* pGoffset;
640 ABC* abc;
641 int iMaxPosX;
642 HFONT fallbackFont;
643 } StringGlyphs;
644
645 typedef struct {
646 HDC hdc;
647 DWORD dwFlags;
648 BOOL invalid;
649 int clip_len;
650 int cItems;
651 int cMaxGlyphs;
652 SCRIPT_ITEM* pItem;
653 int numItems;
654 StringGlyphs* glyphs;
655 SCRIPT_LOGATTR* logattrs;
656 SIZE* sz;
657 int* logical2visual;
658 } StringAnalysis;
659
660 static inline void *heap_alloc(SIZE_T size)
661 {
662 return HeapAlloc(GetProcessHeap(), 0, size);
663 }
664
665 static inline void *heap_alloc_zero(SIZE_T size)
666 {
667 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
668 }
669
670 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
671 {
672 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
673 }
674
675 static inline BOOL heap_free(LPVOID mem)
676 {
677 return HeapFree(GetProcessHeap(), 0, mem);
678 }
679
680 static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
681 {
682 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
683 }
684
685 static inline LONG get_cache_height(SCRIPT_CACHE *psc)
686 {
687 return ((ScriptCache *)*psc)->tm.tmHeight;
688 }
689
690 static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
691 {
692 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
693 }
694
695 static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c)
696 {
697 WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
698
699 if (!block) return 0;
700 return block[c & GLYPH_BLOCK_MASK];
701 }
702
703 static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
704 {
705 WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
706
707 if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
708 return ((*block)[c & GLYPH_BLOCK_MASK] = glyph);
709 }
710
711 static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
712 {
713 static const ABC nil;
714 ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
715
716 if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
717 memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
718 return TRUE;
719 }
720
721 static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
722 {
723 ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
724
725 if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
726 memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
727 return TRUE;
728 }
729
730 static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
731 {
732 ScriptCache *sc;
733
734 if (!psc) return E_INVALIDARG;
735 if (*psc) return S_OK;
736 if (!hdc) return E_PENDING;
737
738 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
739 if (!GetTextMetricsW(hdc, &sc->tm))
740 {
741 heap_free(sc);
742 return E_INVALIDARG;
743 }
744 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
745 {
746 heap_free(sc);
747 return E_INVALIDARG;
748 }
749 sc->sfnt = (GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, NULL, 0)!=GDI_ERROR);
750 *psc = sc;
751 TRACE("<- %p\n", sc);
752 return S_OK;
753 }
754
755 static WCHAR mirror_char( WCHAR ch )
756 {
757 extern const WCHAR wine_mirror_map[];
758 return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
759 }
760
761 static WORD get_char_script( WCHAR ch)
762 {
763 static const WCHAR latin_punc[] = {'#','$','&','\'',',',';','<','>','?','@','\\','^','_','`','{','|','}','~', 0x00a0, 0};
764 WORD type = 0;
765 int i;
766
767 if (ch == 0xc || ch == 0x20 || ch == 0x202f)
768 return Script_CR;
769
770 /* These punctuation are separated out as Latin punctuation */
771 if (strchrW(latin_punc,ch))
772 return Script_Punctuation2;
773
774 /* These chars are itemized as Punctuation by Windows */
775 if (ch == 0x2212 || ch == 0x2044)
776 return Script_Punctuation;
777
778 GetStringTypeW(CT_CTYPE1, &ch, 1, &type);
779
780 if (type == 0)
781 return SCRIPT_UNDEFINED;
782
783 if (type & C1_CNTRL)
784 return Script_Control;
785
786 i = 0;
787 do
788 {
789 if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
790 break;
791
792 if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
793 {
794 if (scriptRanges[i].numericScript && type & C1_DIGIT)
795 return scriptRanges[i].numericScript;
796 if (scriptRanges[i].punctScript && type & C1_PUNCT)
797 return scriptRanges[i].punctScript;
798 return scriptRanges[i].script;
799 }
800 i++;
801 } while (1);
802
803 return SCRIPT_UNDEFINED;
804 }
805
806 /***********************************************************************
807 * DllMain
808 *
809 */
810 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
811 {
812 switch(fdwReason)
813 {
814 case DLL_PROCESS_ATTACH:
815 DisableThreadLibraryCalls(hInstDLL);
816 break;
817 case DLL_PROCESS_DETACH:
818 break;
819 }
820 return TRUE;
821 }
822
823 /***********************************************************************
824 * ScriptFreeCache (USP10.@)
825 *
826 * Free a script cache.
827 *
828 * PARAMS
829 * psc [I/O] Script cache.
830 *
831 * RETURNS
832 * Success: S_OK
833 * Failure: Non-zero HRESULT value.
834 */
835 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
836 {
837 TRACE("%p\n", psc);
838
839 if (psc && *psc)
840 {
841 unsigned int i;
842 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
843 {
844 heap_free(((ScriptCache *)*psc)->glyphs[i]);
845 heap_free(((ScriptCache *)*psc)->widths[i]);
846 }
847 heap_free(((ScriptCache *)*psc)->GSUB_Table);
848 heap_free(((ScriptCache *)*psc)->GDEF_Table);
849 heap_free(((ScriptCache *)*psc)->features);
850 heap_free(*psc);
851 *psc = NULL;
852 }
853 return S_OK;
854 }
855
856 /***********************************************************************
857 * ScriptGetProperties (USP10.@)
858 *
859 * Retrieve a list of script properties.
860 *
861 * PARAMS
862 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
863 * num [I] Pointer to the number of scripts.
864 *
865 * RETURNS
866 * Success: S_OK
867 * Failure: Non-zero HRESULT value.
868 *
869 * NOTES
870 * Behaviour matches WinXP.
871 */
872 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
873 {
874 TRACE("(%p,%p)\n", props, num);
875
876 if (!props && !num) return E_INVALIDARG;
877
878 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
879 if (props) *props = script_props;
880
881 return S_OK;
882 }
883
884 /***********************************************************************
885 * ScriptGetFontProperties (USP10.@)
886 *
887 * Get information on special glyphs.
888 *
889 * PARAMS
890 * hdc [I] Device context.
891 * psc [I/O] Opaque pointer to a script cache.
892 * sfp [O] Font properties structure.
893 */
894 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
895 {
896 HRESULT hr;
897
898 TRACE("%p,%p,%p\n", hdc, psc, sfp);
899
900 if (!sfp) return E_INVALIDARG;
901 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
902
903 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
904 return E_INVALIDARG;
905
906 /* return something sensible? */
907 sfp->wgBlank = 0;
908 sfp->wgDefault = get_cache_default_char(psc);
909 sfp->wgInvalid = 0;
910 sfp->wgKashida = 0xffff;
911 sfp->iKashidaWidth = 0;
912
913 return S_OK;
914 }
915
916 /***********************************************************************
917 * ScriptRecordDigitSubstitution (USP10.@)
918 *
919 * Record digit substitution settings for a given locale.
920 *
921 * PARAMS
922 * locale [I] Locale identifier.
923 * sds [I] Structure to record substitution settings.
924 *
925 * RETURNS
926 * Success: S_OK
927 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
928 *
929 * SEE ALSO
930 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
931 */
932 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
933 {
934 DWORD plgid, sub;
935
936 TRACE("0x%x, %p\n", locale, sds);
937
938 /* This implementation appears to be correct for all languages, but it's
939 * not clear if sds->DigitSubstitute is ever set to anything except
940 * CONTEXT or NONE in reality */
941
942 if (!sds) return E_POINTER;
943
944 locale = ConvertDefaultLocale(locale);
945
946 if (!IsValidLocale(locale, LCID_INSTALLED))
947 return E_INVALIDARG;
948
949 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
950 sds->TraditionalDigitLanguage = plgid;
951
952 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
953 sds->NationalDigitLanguage = plgid;
954 else
955 sds->NationalDigitLanguage = LANG_ENGLISH;
956
957 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
958 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
959
960 switch (sub)
961 {
962 case 0:
963 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
964 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
965 else
966 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
967 break;
968 case 1:
969 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
970 break;
971 case 2:
972 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
973 break;
974 default:
975 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
976 break;
977 }
978
979 sds->dwReserved = 0;
980 return S_OK;
981 }
982
983 /***********************************************************************
984 * ScriptApplyDigitSubstitution (USP10.@)
985 *
986 * Apply digit substitution settings.
987 *
988 * PARAMS
989 * sds [I] Structure with recorded substitution settings.
990 * sc [I] Script control structure.
991 * ss [I] Script state structure.
992 *
993 * RETURNS
994 * Success: S_OK
995 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
996 */
997 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
998 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
999 {
1000 SCRIPT_DIGITSUBSTITUTE psds;
1001
1002 TRACE("%p, %p, %p\n", sds, sc, ss);
1003
1004 if (!sc || !ss) return E_POINTER;
1005 if (!sds)
1006 {
1007 sds = &psds;
1008 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
1009 return E_INVALIDARG;
1010 }
1011
1012 sc->uDefaultLanguage = LANG_ENGLISH;
1013 sc->fContextDigits = 0;
1014 ss->fDigitSubstitute = 0;
1015
1016 switch (sds->DigitSubstitute) {
1017 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
1018 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
1019 case SCRIPT_DIGITSUBSTITUTE_NONE:
1020 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
1021 return S_OK;
1022 default:
1023 return E_INVALIDARG;
1024 }
1025 }
1026
1027 static inline BOOL is_indic(WORD script)
1028 {
1029 return (script >= Script_Devanagari && script <= Script_Malayalam_Numeric);
1030 }
1031
1032 static inline WORD base_indic(WORD script)
1033 {
1034 switch (script)
1035 {
1036 case Script_Devanagari:
1037 case Script_Devanagari_Numeric: return Script_Devanagari;
1038 case Script_Bengali:
1039 case Script_Bengali_Numeric:
1040 case Script_Bengali_Currency: return Script_Bengali;
1041 case Script_Gurmukhi:
1042 case Script_Gurmukhi_Numeric: return Script_Gurmukhi;
1043 case Script_Gujarati:
1044 case Script_Gujarati_Numeric:
1045 case Script_Gujarati_Currency: return Script_Gujarati;
1046 case Script_Oriya:
1047 case Script_Oriya_Numeric: return Script_Oriya;
1048 case Script_Tamil:
1049 case Script_Tamil_Numeric: return Script_Tamil;
1050 case Script_Telugu:
1051 case Script_Telugu_Numeric: return Script_Telugu;
1052 case Script_Kannada:
1053 case Script_Kannada_Numeric: return Script_Kannada;
1054 case Script_Malayalam:
1055 case Script_Malayalam_Numeric: return Script_Malayalam;
1056 default:
1057 return -1;
1058 };
1059 }
1060
1061 /***********************************************************************
1062 * ScriptItemizeOpenType (USP10.@)
1063 *
1064 * Split a Unicode string into shapeable parts.
1065 *
1066 * PARAMS
1067 * pwcInChars [I] String to split.
1068 * cInChars [I] Number of characters in pwcInChars.
1069 * cMaxItems [I] Maximum number of items to return.
1070 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1071 * psState [I] Pointer to a SCRIPT_STATE structure.
1072 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1073 * pScriptTags [O] Buffer to receive OPENTYPE_TAGs.
1074 * pcItems [O] Number of script items returned.
1075 *
1076 * RETURNS
1077 * Success: S_OK
1078 * Failure: Non-zero HRESULT value.
1079 */
1080 HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1081 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1082 SCRIPT_ITEM *pItems, OPENTYPE_TAG *pScriptTags, int *pcItems)
1083 {
1084
1085 #define Numeric_space 0x0020
1086 #define ZWNJ 0x200C
1087 #define ZWJ 0x200D
1088
1089 int cnt = 0, index = 0, str = 0;
1090 int New_Script = -1;
1091 int i;
1092 WORD *levels = NULL;
1093 WORD *strength = NULL;
1094 WORD *scripts = NULL;
1095 WORD baselevel = 0;
1096 BOOL new_run;
1097 WORD last_indic = -1;
1098 WORD layoutRTL = 0;
1099 BOOL forceLevels = FALSE;
1100
1101 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
1102 psControl, psState, pItems, pcItems);
1103
1104 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
1105 return E_INVALIDARG;
1106
1107 scripts = heap_alloc(cInChars * sizeof(WORD));
1108 if (!scripts)
1109 return E_OUTOFMEMORY;
1110
1111 for (i = 0; i < cInChars; i++)
1112 {
1113 scripts[i] = get_char_script(pwcInChars[i]);
1114 /* Devanagari danda (U+0964) and double danda (U+0965) are used for
1115 all Indic scripts */
1116 if ((pwcInChars[i] == 0x964 || pwcInChars[i] ==0x965) && last_indic > 0)
1117 scripts[i] = last_indic;
1118 else if (is_indic(scripts[i]))
1119 last_indic = base_indic(scripts[i]);
1120
1121 /* Some unicode points (Zero Width Space U+200B -
1122 Right-to-Left Mark U+200F) will force us into bidi mode */
1123 if (!forceLevels && pwcInChars[i] >= 0x200B && pwcInChars[i] <= 0x200F)
1124 forceLevels = TRUE;
1125
1126 /* Diacritical marks merge with other scripts */
1127 if (scripts[i] == Script_Diacritical && i > 0)
1128 scripts[i] = scripts[i-1];
1129 }
1130
1131 for (i = 0; i < cInChars; i++)
1132 {
1133 /* Joiners get merged preferencially right */
1134 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1135 {
1136 int j;
1137 if (i+1 == cInChars)
1138 scripts[i] = scripts[i-1];
1139 else
1140 {
1141 for (j = i+1; j < cInChars; j++)
1142 {
1143 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1144 {
1145 scripts[i] = scripts[j];
1146 break;
1147 }
1148 }
1149 }
1150 }
1151 }
1152
1153 if (psState && psControl)
1154 {
1155 levels = heap_alloc_zero(cInChars * sizeof(WORD));
1156 if (!levels)
1157 {
1158 heap_free(scripts);
1159 return E_OUTOFMEMORY;
1160 }
1161
1162 BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels);
1163 baselevel = levels[0];
1164 for (i = 0; i < cInChars; i++)
1165 if (levels[i]!=levels[0])
1166 break;
1167 if (i >= cInChars && !odd(baselevel) && !odd(psState->uBidiLevel) && !forceLevels)
1168 {
1169 heap_free(levels);
1170 levels = NULL;
1171 }
1172 else
1173 {
1174 BOOL inNumber = FALSE;
1175 static WCHAR math_punc[] = {'#','$','%','+',',','-','.','/',':',0x2212, 0x2044, 0x00a0,0};
1176
1177 strength = heap_alloc_zero(cInChars * sizeof(WORD));
1178 if (!strength)
1179 {
1180 heap_free(scripts);
1181 heap_free(levels);
1182 return E_OUTOFMEMORY;
1183 }
1184 BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
1185
1186 /* We currently mis-level leading Diacriticals */
1187 if (scripts[0] == Script_Diacritical)
1188 for (i = 0; i < cInChars && scripts[0] == Script_Diacritical; i++)
1189 {
1190 levels[i] = odd(levels[i])?levels[i]+1:levels[i];
1191 strength[i] = BIDI_STRONG;
1192 }
1193
1194 for (i = 0; i < cInChars; i++)
1195 {
1196 /* Script_Numeric and select puncuation at level 0 get bumped to level 2 */
1197 if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && inNumber && strchrW(math_punc,pwcInChars[i]))
1198 {
1199 scripts[i] = Script_Numeric;
1200 levels[i] = 2;
1201 }
1202 else if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && scripts[i] == Script_Numeric)
1203 {
1204 levels[i] = 2;
1205 inNumber = TRUE;
1206 }
1207 else
1208 inNumber = FALSE;
1209
1210 /* Joiners get merged preferencially right */
1211 if (i > 0 && (pwcInChars[i] == ZWJ || pwcInChars[i] == ZWNJ))
1212 {
1213 int j;
1214 if (i+1 == cInChars && levels[i-1] == levels[i])
1215 strength[i] = strength[i-1];
1216 else
1217 for (j = i+1; j < cInChars && levels[i] == levels[j]; j++)
1218 if (pwcInChars[j] != ZWJ && pwcInChars[j] != ZWNJ && pwcInChars[j] != Numeric_space)
1219 {
1220 strength[i] = strength[j];
1221 break;
1222 }
1223 }
1224 }
1225 if (psControl->fMergeNeutralItems)
1226 {
1227 /* Merge the neutrals */
1228 for (i = 0; i < cInChars; i++)
1229 {
1230 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1231 {
1232 int j;
1233 for (j = i; j > 0; j--)
1234 {
1235 if (levels[i] != levels[j])
1236 break;
1237 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1238 {
1239 scripts[i] = scripts[j];
1240 strength[i] = strength[j];
1241 break;
1242 }
1243 }
1244 }
1245 /* Try going the other way */
1246 if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK)
1247 {
1248 int j;
1249 for (j = i; j < cInChars; j++)
1250 {
1251 if (levels[i] != levels[j])
1252 break;
1253 if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK))
1254 {
1255 scripts[i] = scripts[j];
1256 strength[i] = strength[j];
1257 break;
1258 }
1259 }
1260 }
1261 }
1262 }
1263 }
1264 }
1265
1266 while ((!levels || (levels && levels[cnt+1] == levels[0])) && (pwcInChars[cnt] == Numeric_space) && cnt < cInChars)
1267 cnt++;
1268
1269 if (cnt == cInChars) /* All Spaces */
1270 {
1271 cnt = 0;
1272 New_Script = scripts[cnt];
1273 }
1274
1275 pItems[index].iCharPos = 0;
1276 pItems[index].a = scriptInformation[scripts[cnt]].a;
1277 pScriptTags[index] = scriptInformation[scripts[cnt]].scriptTag;
1278
1279 if (strength && strength[cnt] == BIDI_STRONG)
1280 str = strength[cnt];
1281 else if (strength)
1282 str = strength[0];
1283
1284 cnt = 0;
1285
1286 if (levels)
1287 {
1288 if (strength[cnt] == BIDI_STRONG)
1289 layoutRTL = (odd(levels[cnt]))?1:0;
1290 else
1291 layoutRTL = (psState->uBidiLevel || odd(levels[cnt]))?1:0;
1292 pItems[index].a.fRTL = odd(levels[cnt]);
1293 pItems[index].a.fLayoutRTL = layoutRTL;
1294 pItems[index].a.s.uBidiLevel = levels[cnt];
1295 }
1296 else if (!pItems[index].a.s.uBidiLevel)
1297 {
1298 layoutRTL = (odd(baselevel))?1:0;
1299 pItems[index].a.s.uBidiLevel = baselevel;
1300 pItems[index].a.fLayoutRTL = odd(baselevel);
1301 pItems[index].a.fRTL = odd(baselevel);
1302 }
1303
1304 TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
1305 levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt,
1306 pItems[index].iCharPos);
1307
1308 for (cnt=1; cnt < cInChars; cnt++)
1309 {
1310 if(pwcInChars[cnt] != Numeric_space)
1311 New_Script = scripts[cnt];
1312 else if (levels)
1313 {
1314 int j = 1;
1315 while (cnt + j < cInChars - 1 && pwcInChars[cnt+j] == Numeric_space && levels[cnt] == levels[cnt+j])
1316 j++;
1317 if (cnt + j < cInChars && levels[cnt] == levels[cnt+j])
1318 New_Script = scripts[cnt+j];
1319 else
1320 New_Script = scripts[cnt];
1321 }
1322
1323 new_run = FALSE;
1324 /* merge space strengths*/
1325 if (strength && strength[cnt] == BIDI_STRONG && str != BIDI_STRONG && New_Script == pItems[index].a.eScript)
1326 str = BIDI_STRONG;
1327
1328 if (strength && strength[cnt] == BIDI_NEUTRAL && str == BIDI_STRONG && pwcInChars[cnt] != Numeric_space && New_Script == pItems[index].a.eScript)
1329 str = BIDI_NEUTRAL;
1330
1331 /* changes in level */
1332 if (levels && (levels[cnt] != pItems[index].a.s.uBidiLevel))
1333 {
1334 TRACE("Level break(%i/%i)\n",pItems[index].a.s.uBidiLevel,levels[cnt]);
1335 new_run = TRUE;
1336 }
1337 /* changes in strength */
1338 else if (strength && pwcInChars[cnt] != Numeric_space && str != strength[cnt])
1339 {
1340 TRACE("Strength break (%i/%i)\n",str,strength[cnt]);
1341 new_run = TRUE;
1342 }
1343 /* changes in script */
1344 else if (((pwcInChars[cnt] != Numeric_space) && (New_Script != -1) && (New_Script != pItems[index].a.eScript)) || (New_Script == Script_Control))
1345 {
1346 TRACE("Script break(%i/%i)\n",pItems[index].a.eScript,New_Script);
1347 new_run = TRUE;
1348 }
1349
1350 if (!new_run && strength && str == BIDI_STRONG)
1351 {
1352 layoutRTL = odd(levels[cnt])?1:0;
1353 pItems[index].a.fLayoutRTL = layoutRTL;
1354 }
1355
1356 if (new_run)
1357 {
1358 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);
1359
1360 index++;
1361 if (index+1 > cMaxItems)
1362 return E_OUTOFMEMORY;
1363
1364 if (strength)
1365 str = strength[cnt];
1366
1367 pItems[index].iCharPos = cnt;
1368 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1369
1370 pItems[index].a = scriptInformation[New_Script].a;
1371 pScriptTags[index] = scriptInformation[New_Script].scriptTag;
1372 if (levels)
1373 {
1374 if (levels[cnt] == 0)
1375 layoutRTL = 0;
1376 else
1377 layoutRTL = (layoutRTL || odd(levels[cnt]))?1:0;
1378 pItems[index].a.fRTL = odd(levels[cnt]);
1379 pItems[index].a.fLayoutRTL = layoutRTL;
1380 pItems[index].a.s.uBidiLevel = levels[cnt];
1381 }
1382 else if (!pItems[index].a.s.uBidiLevel)
1383 {
1384 pItems[index].a.s.uBidiLevel = baselevel;
1385 pItems[index].a.fLayoutRTL = layoutRTL;
1386 pItems[index].a.fRTL = odd(baselevel);
1387 }
1388
1389 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1390 }
1391 }
1392
1393 /* While not strictly necessary according to the spec, make sure the n+1
1394 * item is set up to prevent random behaviour if the caller erroneously
1395 * checks the n+1 structure */
1396 index++;
1397 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
1398
1399 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
1400
1401 /* Set one SCRIPT_STATE item being returned */
1402 if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
1403 if (pcItems) *pcItems = index;
1404
1405 /* Set SCRIPT_ITEM */
1406 pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
1407 heap_free(levels);
1408 heap_free(strength);
1409 heap_free(scripts);
1410 return S_OK;
1411 }
1412
1413 /***********************************************************************
1414 * ScriptItemize (USP10.@)
1415 *
1416 * Split a Unicode string into shapeable parts.
1417 *
1418 * PARAMS
1419 * pwcInChars [I] String to split.
1420 * cInChars [I] Number of characters in pwcInChars.
1421 * cMaxItems [I] Maximum number of items to return.
1422 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
1423 * psState [I] Pointer to a SCRIPT_STATE structure.
1424 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
1425 * pcItems [O] Number of script items returned.
1426 *
1427 * RETURNS
1428 * Success: S_OK
1429 * Failure: Non-zero HRESULT value.
1430 */
1431 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
1432 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
1433 SCRIPT_ITEM *pItems, int *pcItems)
1434 {
1435 OPENTYPE_TAG *discarded_tags;
1436 HRESULT res;
1437
1438 discarded_tags = heap_alloc(cMaxItems * sizeof(OPENTYPE_TAG));
1439 if (!discarded_tags)
1440 return E_OUTOFMEMORY;
1441 res = ScriptItemizeOpenType(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, discarded_tags, pcItems);
1442 heap_free(discarded_tags);
1443 return res;
1444 }
1445
1446 static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x)
1447 {
1448 int defWidth;
1449 int cTabStops=0;
1450 INT *lpTabPos = NULL;
1451 INT nTabOrg = 0;
1452 INT x = 0;
1453
1454 if (pTabdef)
1455 lpTabPos = pTabdef->pTabStops;
1456
1457 if (pTabdef && pTabdef->iTabOrigin)
1458 {
1459 if (pTabdef->iScale)
1460 nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4;
1461 else
1462 nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth;
1463 }
1464
1465 if (pTabdef)
1466 cTabStops = pTabdef->cTabStops;
1467
1468 if (cTabStops == 1)
1469 {
1470 if (pTabdef->iScale)
1471 defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4;
1472 else
1473 defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth;
1474 cTabStops = 0;
1475 }
1476 else
1477 defWidth = 8 * psc->tm.tmAveCharWidth;
1478
1479 for (; cTabStops>0 ; lpTabPos++, cTabStops--)
1480 {
1481 int position = *lpTabPos;
1482 if (position < 0)
1483 position = -1 * position;
1484 if (pTabdef->iScale)
1485 position = (position * pTabdef->iScale) / 4;
1486 else
1487 position = position * psc->tm.tmAveCharWidth;
1488
1489 if( nTabOrg + position > current_x)
1490 {
1491 if( *lpTabPos >= 0)
1492 {
1493 /* a left aligned tab */
1494 x = (nTabOrg + *lpTabPos) - current_x;
1495 break;
1496 }
1497 else
1498 {
1499 FIXME("Negative tabstop\n");
1500 break;
1501 }
1502 }
1503 }
1504 if ((!cTabStops) && (defWidth > 0))
1505 x =((((current_x - nTabOrg) / defWidth)+1) * defWidth) - current_x;
1506 else if ((!cTabStops) && (defWidth < 0))
1507 FIXME("TODO: Negative defWidth\n");
1508
1509 return x;
1510 }
1511
1512 /***********************************************************************
1513 * Helper function for ScriptStringAnalyse
1514 */
1515 static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
1516 const WCHAR *pwcInChars, int cChars )
1517 {
1518 /* FIXME: When to properly fallback is still a bit of a mystery */
1519 WORD *glyphs;
1520
1521 if (psa->fNoGlyphIndex)
1522 return FALSE;
1523
1524 if (init_script_cache(hdc, psc) != S_OK)
1525 return FALSE;
1526
1527 if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK)
1528 return TRUE;
1529
1530 glyphs = heap_alloc(sizeof(WORD) * cChars);
1531 if (!glyphs)
1532 return FALSE;
1533 if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK)
1534 {
1535 heap_free(glyphs);
1536 return TRUE;
1537 }
1538 heap_free(glyphs);
1539
1540 return FALSE;
1541 }
1542
1543 static void find_fallback_font(DWORD scriptid, LPWSTR FaceName)
1544 {
1545 HKEY hkey;
1546
1547 if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey))
1548 {
1549 static const WCHAR szFmt[] = {'%','x',0};
1550 WCHAR value[10];
1551 DWORD count = LF_FACESIZE * sizeof(WCHAR);
1552 DWORD type;
1553
1554 sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag);
1555 if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count))
1556 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1557 RegCloseKey(hkey);
1558 }
1559 else
1560 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1561 }
1562
1563 /***********************************************************************
1564 * ScriptStringAnalyse (USP10.@)
1565 *
1566 */
1567 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
1568 int cGlyphs, int iCharset, DWORD dwFlags,
1569 int iReqWidth, SCRIPT_CONTROL *psControl,
1570 SCRIPT_STATE *psState, const int *piDx,
1571 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
1572 SCRIPT_STRING_ANALYSIS *pssa)
1573 {
1574 HRESULT hr = E_OUTOFMEMORY;
1575 StringAnalysis *analysis = NULL;
1576 SCRIPT_CONTROL sControl;
1577 SCRIPT_STATE sState;
1578 int i, num_items = 255;
1579 BYTE *BidiLevel;
1580 WCHAR *iString = NULL;
1581
1582 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
1583 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
1584 psControl, psState, piDx, pTabdef, pbInClass, pssa);
1585
1586 if (iCharset != -1)
1587 {
1588 FIXME("Only Unicode strings are supported\n");
1589 return E_INVALIDARG;
1590 }
1591 if (cString < 1 || !pString) return E_INVALIDARG;
1592 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
1593
1594 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
1595 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
1596
1597 /* FIXME: handle clipping */
1598 analysis->clip_len = cString;
1599 analysis->hdc = hdc;
1600 analysis->dwFlags = dwFlags;
1601
1602 if (psState)
1603 sState = *psState;
1604 else
1605 memset(&sState, 0, sizeof(SCRIPT_STATE));
1606
1607 if (psControl)
1608 sControl = *psControl;
1609 else
1610 memset(&sControl, 0, sizeof(SCRIPT_CONTROL));
1611
1612 if (dwFlags & SSA_PASSWORD)
1613 {
1614 iString = heap_alloc(sizeof(WCHAR)*cString);
1615 if (!iString)
1616 {
1617 hr = E_OUTOFMEMORY;
1618 goto error;
1619 }
1620 for (i = 0; i < cString; i++)
1621 iString[i] = *((const WCHAR *)pString);
1622 pString = iString;
1623 }
1624
1625 hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem,
1626 &analysis->numItems);
1627
1628 while (hr == E_OUTOFMEMORY)
1629 {
1630 SCRIPT_ITEM *tmp;
1631
1632 num_items *= 2;
1633 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
1634 goto error;
1635
1636 analysis->pItem = tmp;
1637 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
1638 &analysis->numItems);
1639 }
1640 if (hr != S_OK) goto error;
1641
1642 /* set back to out of memory for default goto error behaviour */
1643 hr = E_OUTOFMEMORY;
1644
1645 if (dwFlags & SSA_BREAK)
1646 {
1647 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
1648 {
1649 for (i = 0; i < analysis->numItems; i++)
1650 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]);
1651 }
1652 else
1653 goto error;
1654 }
1655
1656 if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
1657 goto error;
1658 if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
1659 goto error;
1660
1661 if (dwFlags & SSA_GLYPHS)
1662 {
1663 int tab_x = 0;
1664 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
1665 {
1666 heap_free(BidiLevel);
1667 goto error;
1668 }
1669
1670 for (i = 0; i < analysis->numItems; i++)
1671 {
1672 SCRIPT_CACHE *sc = (SCRIPT_CACHE*)&analysis->glyphs[i].sc;
1673 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1674 int numGlyphs = 1.5 * cChar + 16;
1675 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
1676 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
1677 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
1678 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * numGlyphs);
1679 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
1680 ABC *abc = heap_alloc_zero(sizeof(ABC));
1681 int numGlyphsReturned;
1682 HFONT originalFont = 0x0;
1683
1684 /* FIXME: non unicode strings */
1685 const WCHAR* pStr = (const WCHAR*)pString;
1686 analysis->glyphs[i].fallbackFont = NULL;
1687
1688 if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc)
1689 {
1690 heap_free (BidiLevel);
1691 heap_free (glyphs);
1692 heap_free (pwLogClust);
1693 heap_free (piAdvance);
1694 heap_free (psva);
1695 heap_free (pGoffset);
1696 heap_free (abc);
1697 hr = E_OUTOFMEMORY;
1698 goto error;
1699 }
1700
1701 if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar))
1702 {
1703 LOGFONTW lf;
1704 GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), & lf);
1705 lf.lfCharSet = scriptInformation[analysis->pItem[i].a.eScript].props.bCharSet;
1706 find_fallback_font(analysis->pItem[i].a.eScript, lf.lfFaceName);
1707 analysis->glyphs[i].fallbackFont = CreateFontIndirectW(&lf);
1708 if (analysis->glyphs[i].fallbackFont)
1709 {
1710 ScriptFreeCache(sc);
1711 originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont);
1712 }
1713 }
1714
1715 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
1716 cChar, numGlyphs, &analysis->pItem[i].a,
1717 glyphs, pwLogClust, psva, &numGlyphsReturned);
1718 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
1719 piAdvance, pGoffset, abc);
1720 if (originalFont)
1721 SelectObject(hdc,originalFont);
1722
1723 if (dwFlags & SSA_TAB)
1724 {
1725 int tabi = 0;
1726 for (tabi = 0; tabi < cChar; tabi++)
1727 {
1728 if (pStr[analysis->pItem[i].iCharPos+tabi] == 0x0009)
1729 piAdvance[tabi] = getGivenTabWidth(analysis->glyphs[i].sc, pTabdef, analysis->pItem[i].iCharPos+tabi, tab_x);
1730 tab_x+=piAdvance[tabi];
1731 }
1732 }
1733
1734 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
1735 analysis->glyphs[i].glyphs = glyphs;
1736 analysis->glyphs[i].pwLogClust = pwLogClust;
1737 analysis->glyphs[i].piAdvance = piAdvance;
1738 analysis->glyphs[i].psva = psva;
1739 analysis->glyphs[i].pGoffset = pGoffset;
1740 analysis->glyphs[i].abc = abc;
1741 analysis->glyphs[i].iMaxPosX= -1;
1742
1743 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1744 }
1745 }
1746 else
1747 {
1748 for (i = 0; i < analysis->numItems; i++)
1749 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1750 }
1751
1752 ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
1753 heap_free(BidiLevel);
1754
1755 *pssa = analysis;
1756 heap_free(iString);
1757 return S_OK;
1758
1759 error:
1760 heap_free(iString);
1761 heap_free(analysis->glyphs);
1762 heap_free(analysis->logattrs);
1763 heap_free(analysis->pItem);
1764 heap_free(analysis->logical2visual);
1765 heap_free(analysis);
1766 return hr;
1767 }
1768
1769 static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction)
1770 {
1771 int i;
1772
1773 if (pva[glyph].fClusterStart)
1774 return TRUE;
1775 for (i = 0; i < cChars; i++)
1776 if (pwLogClust[i] == glyph) break;
1777 if (i != cChars)
1778 return TRUE;
1779
1780 return FALSE;
1781 }
1782
1783
1784 static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa,
1785 int iX,
1786 int iY,
1787 int iItem,
1788 int cStart,
1789 int cEnd,
1790 UINT uOptions,
1791 const RECT *prc,
1792 BOOL fSelected,
1793 BOOL fDisabled)
1794 {
1795 StringAnalysis *analysis;
1796 int off_x = 0;
1797 HRESULT hr;
1798 COLORREF BkColor = 0x0;
1799 COLORREF TextColor = 0x0;
1800 INT BkMode = 0;
1801 INT runStart, runEnd;
1802 INT iGlyph, cGlyphs;
1803 HFONT oldFont = 0x0;
1804
1805 TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n",
1806 ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled);
1807
1808 if (!(analysis = ssa)) return E_INVALIDARG;
1809
1810 if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) ||
1811 (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd))
1812 return S_OK;
1813
1814 if (fSelected)
1815 {
1816 BkMode = GetBkMode(analysis->hdc);
1817 SetBkMode( analysis->hdc, OPAQUE);
1818 BkColor = GetBkColor(analysis->hdc);
1819 SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT));
1820 if (!fDisabled)
1821 {
1822 TextColor = GetTextColor(analysis->hdc);
1823 SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
1824 }
1825 }
1826 if (analysis->glyphs[iItem].fallbackFont)
1827 oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont);
1828
1829 if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart)
1830 runStart = cStart - analysis->pItem[iItem].iCharPos;
1831 else
1832 runStart = 0;
1833 if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd)
1834 runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos;
1835 else
1836 runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1;
1837
1838 if (analysis->pItem[iItem].a.fRTL)
1839 {
1840 if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos)
1841 ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x);
1842 else
1843 ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x);
1844 }
1845 else
1846 {
1847 if (cStart >=0 && runStart)
1848 ScriptStringCPtoX(ssa, cStart, FALSE, &off_x);
1849 else
1850 ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x);
1851 }
1852
1853 if (analysis->pItem[iItem].a.fRTL)
1854 iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd];
1855 else
1856 iGlyph = analysis->glyphs[iItem].pwLogClust[runStart];
1857
1858 if (analysis->pItem[iItem].a.fRTL)
1859 cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph;
1860 else
1861 cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph;
1862
1863 cGlyphs++;
1864
1865 if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo)
1866 {
1867 INT direction;
1868 INT clust_glyph;
1869
1870 clust_glyph = iGlyph + cGlyphs;
1871 if (analysis->pItem[iItem].a.fRTL)
1872 direction = -1;
1873 else
1874 direction = 1;
1875
1876 while(clust_glyph < analysis->glyphs[iItem].numGlyphs &&
1877 !does_glyph_start_cluster(analysis->glyphs[iItem].psva, analysis->glyphs[iItem].pwLogClust, (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos), clust_glyph, direction))
1878 {
1879 cGlyphs++;
1880 clust_glyph++;
1881 }
1882 }
1883
1884 hr = ScriptTextOut(analysis->hdc,
1885 (SCRIPT_CACHE *)&analysis->glyphs[iItem].sc, iX + off_x,
1886 iY, uOptions, prc, &analysis->pItem[iItem].a, NULL, 0,
1887 &analysis->glyphs[iItem].glyphs[iGlyph], cGlyphs,
1888 &analysis->glyphs[iItem].piAdvance[iGlyph], NULL,
1889 &analysis->glyphs[iItem].pGoffset[iGlyph]);
1890
1891 TRACE("ScriptTextOut hr=%08x\n", hr);
1892
1893 if (fSelected)
1894 {
1895 SetBkColor(analysis->hdc, BkColor);
1896 SetBkMode( analysis->hdc, BkMode);
1897 if (!fDisabled)
1898 SetTextColor(analysis->hdc, TextColor);
1899 }
1900 if (analysis->glyphs[iItem].fallbackFont)
1901 SelectObject(analysis->hdc, oldFont);
1902
1903 return hr;
1904 }
1905
1906 /***********************************************************************
1907 * ScriptStringOut (USP10.@)
1908 *
1909 * This function takes the output of ScriptStringAnalyse and joins the segments
1910 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
1911 * only processes glyphs.
1912 *
1913 * Parameters:
1914 * ssa [I] buffer to hold the analysed string components
1915 * iX [I] X axis displacement for output
1916 * iY [I] Y axis displacement for output
1917 * uOptions [I] flags controling output processing
1918 * prc [I] rectangle coordinates
1919 * iMinSel [I] starting pos for substringing output string
1920 * iMaxSel [I] ending pos for substringing output string
1921 * fDisabled [I] controls text highlighting
1922 *
1923 * RETURNS
1924 * Success: S_OK
1925 * Failure: is the value returned by ScriptTextOut
1926 */
1927 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
1928 int iX,
1929 int iY,
1930 UINT uOptions,
1931 const RECT *prc,
1932 int iMinSel,
1933 int iMaxSel,
1934 BOOL fDisabled)
1935 {
1936 StringAnalysis *analysis;
1937 int item;
1938 HRESULT hr;
1939
1940 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
1941 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
1942
1943 if (!(analysis = ssa)) return E_INVALIDARG;
1944 if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG;
1945
1946 for (item = 0; item < analysis->numItems; item++)
1947 {
1948 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled);
1949 if (FAILED(hr))
1950 return hr;
1951 }
1952
1953 if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0))
1954 {
1955 if (iMaxSel > 0 && iMinSel < 0)
1956 iMinSel = 0;
1957 for (item = 0; item < analysis->numItems; item++)
1958 {
1959 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled);
1960 if (FAILED(hr))
1961 return hr;
1962 }
1963 }
1964
1965 return S_OK;
1966 }
1967
1968 /***********************************************************************
1969 * ScriptStringCPtoX (USP10.@)
1970 *
1971 */
1972 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
1973 {
1974 int item;
1975 int runningX = 0;
1976 StringAnalysis* analysis = ssa;
1977
1978 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
1979
1980 if (!ssa || !pX) return S_FALSE;
1981 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1982
1983 /* icp out of range */
1984 if(icp < 0)
1985 {
1986 analysis->invalid = TRUE;
1987 return E_INVALIDARG;
1988 }
1989
1990 for(item=0; item<analysis->numItems; item++)
1991 {
1992 int CP, i;
1993 int offset;
1994
1995 i = analysis->logical2visual[item];
1996 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1997 /* initialize max extents for uninitialized runs */
1998 if (analysis->glyphs[i].iMaxPosX == -1)
1999 {
2000 if (analysis->pItem[i].a.fRTL)
2001 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2002 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2003 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2004 else
2005 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2006 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2007 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2008 }
2009
2010 if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
2011 {
2012 runningX += analysis->glyphs[i].iMaxPosX;
2013 continue;
2014 }
2015
2016 icp -= analysis->pItem[i].iCharPos;
2017 ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2018 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2019 &analysis->pItem[i].a, &offset);
2020 runningX += offset;
2021
2022 *pX = runningX;
2023 return S_OK;
2024 }
2025
2026 /* icp out of range */
2027 analysis->invalid = TRUE;
2028 return E_INVALIDARG;
2029 }
2030
2031 /***********************************************************************
2032 * ScriptStringXtoCP (USP10.@)
2033 *
2034 */
2035 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
2036 {
2037 StringAnalysis* analysis = ssa;
2038 int item;
2039
2040 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
2041
2042 if (!ssa || !piCh || !piTrailing) return S_FALSE;
2043 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2044
2045 /* out of range */
2046 if(iX < 0)
2047 {
2048 if (analysis->pItem[0].a.fRTL)
2049 {
2050 *piCh = 1;
2051 *piTrailing = FALSE;
2052 }
2053 else
2054 {
2055 *piCh = -1;
2056 *piTrailing = TRUE;
2057 }
2058 return S_OK;
2059 }
2060
2061 for(item=0; item<analysis->numItems; item++)
2062 {
2063 int i;
2064 int CP;
2065
2066 for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
2067 /* nothing */;
2068
2069 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2070 /* initialize max extents for uninitialized runs */
2071 if (analysis->glyphs[i].iMaxPosX == -1)
2072 {
2073 if (analysis->pItem[i].a.fRTL)
2074 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2075 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2076 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2077 else
2078 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2079 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2080 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
2081 }
2082
2083 if (iX > analysis->glyphs[i].iMaxPosX)
2084 {
2085 iX -= analysis->glyphs[i].iMaxPosX;
2086 continue;
2087 }
2088
2089 ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
2090 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
2091 &analysis->pItem[i].a, piCh, piTrailing);
2092 *piCh += analysis->pItem[i].iCharPos;
2093
2094 return S_OK;
2095 }
2096
2097 /* out of range */
2098 *piCh = analysis->pItem[analysis->numItems].iCharPos;
2099 *piTrailing = FALSE;
2100
2101 return S_OK;
2102 }
2103
2104
2105 /***********************************************************************
2106 * ScriptStringFree (USP10.@)
2107 *
2108 * Free a string analysis.
2109 *
2110 * PARAMS
2111 * pssa [I] string analysis.
2112 *
2113 * RETURNS
2114 * Success: S_OK
2115 * Failure: Non-zero HRESULT value.
2116 */
2117 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
2118 {
2119 StringAnalysis* analysis;
2120 BOOL invalid;
2121 int i;
2122
2123 TRACE("(%p)\n", pssa);
2124
2125 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
2126
2127 invalid = analysis->invalid;
2128
2129 if (analysis->glyphs)
2130 {
2131 for (i = 0; i < analysis->numItems; i++)
2132 {
2133 heap_free(analysis->glyphs[i].glyphs);
2134 heap_free(analysis->glyphs[i].pwLogClust);
2135 heap_free(analysis->glyphs[i].piAdvance);
2136 heap_free(analysis->glyphs[i].psva);
2137 heap_free(analysis->glyphs[i].pGoffset);
2138 heap_free(analysis->glyphs[i].abc);
2139 if (analysis->glyphs[i].fallbackFont)
2140 DeleteObject(analysis->glyphs[i].fallbackFont);
2141 ScriptFreeCache((SCRIPT_CACHE *)&analysis->glyphs[i].sc);
2142 heap_free(analysis->glyphs[i].sc);
2143 }
2144 heap_free(analysis->glyphs);
2145 }
2146
2147 heap_free(analysis->pItem);
2148 heap_free(analysis->logattrs);
2149 heap_free(analysis->sz);
2150 heap_free(analysis->logical2visual);
2151 heap_free(analysis);
2152
2153 if (invalid) return E_INVALIDARG;
2154 return S_OK;
2155 }
2156
2157 static inline int get_cluster_size(const WORD *pwLogClust, int cChars, int item,
2158 int direction, int* iCluster, int *check_out)
2159 {
2160 int clust_size = 1;
2161 int check;
2162 WORD clust = pwLogClust[item];
2163
2164 for (check = item+direction; check < cChars && check >= 0; check+=direction)
2165 {
2166 if (pwLogClust[check] == clust)
2167 {
2168 clust_size ++;
2169 if (iCluster && *iCluster == -1)
2170 *iCluster = item;
2171 }
2172 else break;
2173 }
2174
2175 if (check_out)
2176 *check_out = check;
2177
2178 return clust_size;
2179 }
2180
2181 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)
2182 {
2183 int advance;
2184 int log_clust_max = 0;
2185 int i;
2186
2187 advance = piAdvance[glyph];
2188
2189 for (i = 0; i < cChars; i++)
2190 {
2191 if (pwLogClust[i] > log_clust_max)
2192 log_clust_max = pwLogClust[i];
2193 }
2194
2195 if (glyph > log_clust_max)
2196 return advance;
2197
2198 for (glyph+=direction; glyph < cGlyphs && glyph >= 0; glyph +=direction)
2199 {
2200
2201 if (does_glyph_start_cluster(pva, pwLogClust, cChars, glyph, direction))
2202 break;
2203 if (glyph > log_clust_max)
2204 break;
2205 advance += piAdvance[glyph];
2206 }
2207
2208 return advance;
2209 }
2210
2211 /***********************************************************************
2212 * ScriptCPtoX (USP10.@)
2213 *
2214 */
2215 HRESULT WINAPI ScriptCPtoX(int iCP,
2216 BOOL fTrailing,
2217 int cChars,
2218 int cGlyphs,
2219 const WORD *pwLogClust,
2220 const SCRIPT_VISATTR *psva,
2221 const int *piAdvance,
2222 const SCRIPT_ANALYSIS *psa,
2223 int *piX)
2224 {
2225 int item;
2226 float iPosX;
2227 int iSpecial = -1;
2228 int iCluster = -1;
2229 int clust_size = 1;
2230 float special_size = 0.0;
2231 int iMaxPos = 0;
2232 int advance = 0;
2233 BOOL rtl = FALSE;
2234
2235 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
2236 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
2237 psa, piX);
2238
2239 if (psa->fRTL && ! psa->fLogicalOrder)
2240 rtl = TRUE;
2241
2242 if (fTrailing)
2243 iCP++;
2244
2245 if (rtl)
2246 {
2247 int max_clust = pwLogClust[0];
2248
2249 for (item=0; item < cGlyphs; item++)
2250 if (pwLogClust[item] > max_clust)
2251 {
2252 ERR("We do not handle non reversed clusters properly\n");
2253 break;
2254 }
2255
2256 iMaxPos = 0;
2257 for (item = max_clust; item >=0; item --)
2258 iMaxPos += piAdvance[item];
2259 }
2260
2261 iPosX = 0.0;
2262 for (item=0; item < iCP && item < cChars; item++)
2263 {
2264 if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item)))
2265 {
2266 int check;
2267 int clust = pwLogClust[item];
2268
2269 iCluster = -1;
2270 clust_size = get_cluster_size(pwLogClust, cChars, item, 1, &iCluster,
2271 &check);
2272
2273 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, 1);
2274
2275 if (check >= cChars && !iMaxPos)
2276 {
2277 for (check = clust; check < cChars; check++)
2278 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, 1);
2279 iSpecial = item;
2280 special_size /= (cChars - item);
2281 iPosX += special_size;
2282 }
2283 else
2284 {
2285 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2286 {
2287 clust_size --;
2288 if (clust_size == 0)
2289 iPosX += advance;
2290 }
2291 else
2292 iPosX += advance / (float)clust_size;
2293 }
2294 }
2295 else if (iSpecial != -1)
2296 iPosX += special_size;
2297 else /* (iCluster != -1) */
2298 {
2299 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], 1);
2300 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2301 {
2302 clust_size --;
2303 if (clust_size == 0)
2304 iPosX += adv;
2305 }
2306 else
2307 iPosX += adv / (float)clust_size;
2308 }
2309 }
2310
2311 if (iMaxPos > 0)
2312 {
2313 iPosX = iMaxPos - iPosX;
2314 if (iPosX < 0)
2315 iPosX = 0;
2316 }
2317
2318 *piX = iPosX;
2319 TRACE("*piX=%d\n", *piX);
2320 return S_OK;
2321 }
2322
2323 /***********************************************************************
2324 * ScriptXtoCP (USP10.@)
2325 *
2326 */
2327 HRESULT WINAPI ScriptXtoCP(int iX,
2328 int cChars,
2329 int cGlyphs,
2330 const WORD *pwLogClust,
2331 const SCRIPT_VISATTR *psva,
2332 const int *piAdvance,
2333 const SCRIPT_ANALYSIS *psa,
2334 int *piCP,
2335 int *piTrailing)
2336 {
2337 int item;
2338 float iPosX;
2339 float iLastPosX;
2340 int iSpecial = -1;
2341 int iCluster = -1;
2342 int clust_size = 1;
2343 int cjump = 0;
2344 int advance;
2345 float special_size = 0.0;
2346 int direction = 1;
2347
2348 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
2349 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
2350 psa, piCP, piTrailing);
2351
2352 if (psa->fRTL && ! psa->fLogicalOrder)
2353 direction = -1;
2354
2355 if (direction<0)
2356 {
2357 int max_clust = pwLogClust[0];
2358
2359 if (iX < 0)
2360 {
2361 *piCP = cChars;
2362 *piTrailing = 0;
2363 return S_OK;
2364 }
2365
2366 for (item=0; item < cChars; item++)
2367 if (pwLogClust[item] > max_clust)
2368 {
2369 ERR("We do not handle non reversed clusters properly\n");
2370 break;
2371 }
2372 }
2373
2374 if (iX < 0)
2375 {
2376 *piCP = -1;
2377 *piTrailing = 1;
2378 return S_OK;
2379 }
2380
2381 iPosX = iLastPosX = 0;
2382 if (direction > 0)
2383 item = 0;
2384 else
2385 item = cChars - 1;
2386 for (; iPosX <= iX && item < cChars && item >= 0; item+=direction)
2387 {
2388 iLastPosX = iPosX;
2389 if (iSpecial == -1 &&
2390 (iCluster == -1 ||
2391 (iCluster != -1 &&
2392 ((direction > 0 && iCluster+clust_size <= item) ||
2393 (direction < 0 && iCluster-clust_size >= item))
2394 )
2395 )
2396 )
2397 {
2398 int check;
2399 int clust = pwLogClust[item];
2400
2401 iCluster = -1;
2402 cjump = 0;
2403 clust_size = get_cluster_size(pwLogClust, cChars, item, direction,
2404 &iCluster, &check);
2405 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, direction);
2406
2407 if (check >= cChars && direction > 0)
2408 {
2409 for (check = clust; check < cChars; check++)
2410 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, direction);
2411 iSpecial = item;
2412 special_size /= (cChars - item);
2413 iPosX += special_size;
2414 }
2415 else
2416 {
2417 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2418 {
2419 if (!cjump)
2420 iPosX += advance;
2421 cjump++;
2422 }
2423 else
2424 iPosX += advance / (float)clust_size;
2425 }
2426 }
2427 else if (iSpecial != -1)
2428 iPosX += special_size;
2429 else /* (iCluster != -1) */
2430 {
2431 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], direction);
2432 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
2433 {
2434 if (!cjump)
2435 iPosX += adv;
2436 cjump++;
2437 }
2438 else
2439 iPosX += adv / (float)clust_size;
2440 }
2441 }
2442
2443 if (direction > 0)
2444 {
2445 if (iPosX > iX)
2446 item--;
2447 if (item < cChars && ((iPosX - iLastPosX) / 2.0) + iX >= iPosX)
2448 {
2449 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
2450 item+=(clust_size-1);
2451 *piTrailing = 1;
2452 }
2453 else
2454 *piTrailing = 0;
2455 }
2456 else
2457 {
2458 if (iX == iLastPosX)
2459 item++;
2460 if (iX >= iLastPosX && iX <= iPosX)
2461 item++;
2462
2463 if (iLastPosX == iX)
2464 *piTrailing = 0;
2465 else if (item < 0 || ((iLastPosX - iPosX) / 2.0) + iX <= iLastPosX)
2466 {
2467 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
2468 item-=(clust_size-1);
2469 *piTrailing = 1;
2470 }
2471 else
2472 *piTrailing = 0;
2473 }
2474
2475 *piCP = item;
2476
2477 TRACE("*piCP=%d\n", *piCP);
2478 TRACE("*piTrailing=%d\n", *piTrailing);
2479 return S_OK;
2480 }
2481
2482 /***********************************************************************
2483 * ScriptBreak (USP10.@)
2484 *
2485 * Retrieve line break information.
2486 *
2487 * PARAMS
2488 * chars [I] Array of characters.
2489 * sa [I] String analysis.
2490 * la [I] Array of logical attribute structures.
2491 *
2492 * RETURNS
2493 * Success: S_OK
2494 * Failure: S_FALSE
2495 */
2496 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
2497 {
2498 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
2499
2500 if (!la) return S_FALSE;
2501
2502 BREAK_line(chars, count, sa, la);
2503
2504 return S_OK;
2505 }
2506
2507 /***********************************************************************
2508 * ScriptIsComplex (USP10.@)
2509 *
2510 * Determine if a string is complex.
2511 *
2512 * PARAMS
2513 * chars [I] Array of characters to test.
2514 * len [I] Length in characters.
2515 * flag [I] Flag.
2516 *
2517 * RETURNS
2518 * Success: S_OK
2519 * Failure: S_FALSE
2520 *
2521 */
2522 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
2523 {
2524 int i;
2525
2526 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
2527
2528 for (i = 0; i < len; i++)
2529 {
2530 int script;
2531
2532 if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39)
2533 return S_OK;
2534
2535 script = get_char_script(chars[i]);
2536 if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))||
2537 (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL)))
2538 return S_OK;
2539 }
2540 return S_FALSE;
2541 }
2542
2543 /***********************************************************************
2544 * ScriptShapeOpenType (USP10.@)
2545 *
2546 * Produce glyphs and visual attributes for a run.
2547 *
2548 * PARAMS
2549 * hdc [I] Device context.
2550 * psc [I/O] Opaque pointer to a script cache.
2551 * psa [I/O] Script analysis.
2552 * tagScript [I] The OpenType tag for the Script
2553 * tagLangSys [I] The OpenType tag for the Language
2554 * rcRangeChars[I] Array of Character counts in each range
2555 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2556 * cRanges [I] Count of ranges
2557 * pwcChars [I] Array of characters specifying the run.
2558 * cChars [I] Number of characters in pwcChars.
2559 * cMaxGlyphs [I] Length of pwOutGlyphs.
2560 * pwLogClust [O] Array of logical cluster info.
2561 * pCharProps [O] Array of character property values
2562 * pwOutGlyphs [O] Array of glyphs.
2563 * pOutGlyphProps [O] Array of attributes for the retrieved glyphs
2564 * pcGlyphs [O] Number of glyphs returned.
2565 *
2566 * RETURNS
2567 * Success: S_OK
2568 * Failure: Non-zero HRESULT value.
2569 */
2570 HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc,
2571 SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
2572 OPENTYPE_TAG tagLangSys, int *rcRangeChars,
2573 TEXTRANGE_PROPERTIES **rpRangeProperties,
2574 int cRanges, const WCHAR *pwcChars, int cChars,
2575 int cMaxGlyphs, WORD *pwLogClust,
2576 SCRIPT_CHARPROP *pCharProps, WORD *pwOutGlyphs,
2577 SCRIPT_GLYPHPROP *pOutGlyphProps, int *pcGlyphs)
2578 {
2579 HRESULT hr;
2580 unsigned int i;
2581 BOOL rtl;
2582
2583 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %d, %d, %p, %p, %p, %p, %p )\n",
2584 hdc, psc, psa,
2585 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2586 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2587 cChars, cMaxGlyphs, pwLogClust, pCharProps, pwOutGlyphs, pOutGlyphProps, pcGlyphs);
2588
2589 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
2590 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
2591
2592 if (!pOutGlyphProps || !pcGlyphs || !pCharProps) return E_INVALIDARG;
2593 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2594
2595 if (cRanges)
2596 FIXME("Ranges not supported yet\n");
2597
2598 rtl = (psa && !psa->fLogicalOrder && psa->fRTL);
2599
2600 *pcGlyphs = cChars;
2601 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2602 if (!pwLogClust) return E_FAIL;
2603
2604 ((ScriptCache *)*psc)->userScript = tagScript;
2605 ((ScriptCache *)*psc)->userLang = tagLangSys;
2606
2607 /* set fNoGlyphIndex non truetype/opentype fonts */
2608 if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
2609 psa->fNoGlyphIndex = TRUE;
2610
2611 /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
2612 for (i = 0; i < cChars; i++)
2613 {
2614 int idx = i;
2615 if (rtl) idx = cChars - 1 - i;
2616 /* FIXME: set to better values */
2617 pOutGlyphProps[i].sva.uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER;
2618 pOutGlyphProps[i].sva.fClusterStart = 1;
2619 pOutGlyphProps[i].sva.fDiacritic = 0;
2620 pOutGlyphProps[i].sva.fZeroWidth = 0;
2621 pOutGlyphProps[i].sva.fReserved = 0;
2622 pOutGlyphProps[i].sva.fShapeReserved = 0;
2623
2624 /* FIXME: have the shaping engine set this */
2625 pCharProps[i].fCanGlyphAlone = 0;
2626
2627 pwLogClust[i] = idx;
2628 }
2629
2630 if (psa && !psa->fNoGlyphIndex)
2631 {
2632 WCHAR *rChars;
2633 if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr;
2634
2635 rChars = heap_alloc(sizeof(WCHAR) * cChars);
2636 if (!rChars) return E_OUTOFMEMORY;
2637 for (i = 0; i < cChars; i++)
2638 {
2639 int idx = i;
2640 WCHAR chInput;
2641 if (rtl) idx = cChars - 1 - i;
2642 if (psa->fRTL)
2643 chInput = mirror_char(pwcChars[idx]);
2644 else
2645 chInput = pwcChars[idx];
2646 /* special case for tabs */
2647 if (chInput == 0x0009)
2648 chInput = 0x0020;
2649 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput)))
2650 {
2651 WORD glyph;
2652 if (!hdc)
2653 {
2654 heap_free(rChars);
2655 return E_PENDING;
2656 }
2657 if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR)
2658 {
2659 heap_free(rChars);
2660 return S_FALSE;
2661 }
2662 pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph);
2663 }
2664 rChars[i] = chInput;
2665 }
2666
2667 SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
2668 SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust);
2669 SHAPE_CharGlyphProp(hdc, (ScriptCache *)*psc, psa, pwcChars, cChars, pwOutGlyphs, *pcGlyphs, pwLogClust, pCharProps, pOutGlyphProps);
2670 heap_free(rChars);
2671 }
2672 else
2673 {
2674 TRACE("no glyph translation\n");
2675 for (i = 0; i < cChars; i++)
2676 {
2677 int idx = i;
2678 /* No mirroring done here */
2679 if (rtl) idx = cChars - 1 - i;
2680 pwOutGlyphs[i] = pwcChars[idx];
2681 }
2682 }
2683
2684 return S_OK;
2685 }
2686
2687
2688 /***********************************************************************
2689 * ScriptShape (USP10.@)
2690 *
2691 * Produce glyphs and visual attributes for a run.
2692 *
2693 * PARAMS
2694 * hdc [I] Device context.
2695 * psc [I/O] Opaque pointer to a script cache.
2696 * pwcChars [I] Array of characters specifying the run.
2697 * cChars [I] Number of characters in pwcChars.
2698 * cMaxGlyphs [I] Length of pwOutGlyphs.
2699 * psa [I/O] Script analysis.
2700 * pwOutGlyphs [O] Array of glyphs.
2701 * pwLogClust [O] Array of logical cluster info.
2702 * psva [O] Array of visual attributes.
2703 * pcGlyphs [O] Number of glyphs returned.
2704 *
2705 * RETURNS
2706 * Success: S_OK
2707 * Failure: Non-zero HRESULT value.
2708 */
2709 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
2710 int cChars, int cMaxGlyphs,
2711 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
2712 SCRIPT_VISATTR *psva, int *pcGlyphs)
2713 {
2714 HRESULT hr;
2715 int i;
2716 SCRIPT_CHARPROP *charProps;
2717 SCRIPT_GLYPHPROP *glyphProps;
2718
2719 if (!psva || !pcGlyphs) return E_INVALIDARG;
2720 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2721
2722 charProps = heap_alloc_zero(sizeof(SCRIPT_CHARPROP)*cChars);
2723 if (!charProps) return E_OUTOFMEMORY;
2724 glyphProps = heap_alloc_zero(sizeof(SCRIPT_GLYPHPROP)*cMaxGlyphs);
2725 if (!glyphProps)
2726 {
2727 heap_free(charProps);
2728 return E_OUTOFMEMORY;
2729 }
2730
2731 hr = ScriptShapeOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, pwcChars, cChars, cMaxGlyphs, pwLogClust, charProps, pwOutGlyphs, glyphProps, pcGlyphs);
2732
2733 if (SUCCEEDED(hr))
2734 {
2735 for (i = 0; i < *pcGlyphs; i++)
2736 psva[i] = glyphProps[i].sva;
2737 }
2738
2739 heap_free(charProps);
2740 heap_free(glyphProps);
2741
2742 return hr;
2743 }
2744
2745 /***********************************************************************
2746 * ScriptPlaceOpenType (USP10.@)
2747 *
2748 * Produce advance widths for a run.
2749 *
2750 * PARAMS
2751 * hdc [I] Device context.
2752 * psc [I/O] Opaque pointer to a script cache.
2753 * psa [I/O] String analysis.
2754 * tagScript [I] The OpenType tag for the Script
2755 * tagLangSys [I] The OpenType tag for the Language
2756 * rcRangeChars[I] Array of Character counts in each range
2757 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2758 * cRanges [I] Count of ranges
2759 * pwcChars [I] Array of characters specifying the run.
2760 * pwLogClust [I] Array of logical cluster info
2761 * pCharProps [I] Array of character property values
2762 * cChars [I] Number of characters in pwcChars.
2763 * pwGlyphs [I] Array of glyphs.
2764 * pGlyphProps [I] Array of attributes for the retrieved glyphs
2765 * cGlyphs [I] Count of Glyphs
2766 * piAdvance [O] Array of advance widths.
2767 * pGoffset [O] Glyph offsets.
2768 * pABC [O] Combined ABC width.
2769 *
2770 * RETURNS
2771 * Success: S_OK
2772 * Failure: Non-zero HRESULT value.
2773 */
2774
2775 HRESULT WINAPI ScriptPlaceOpenType( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
2776 OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys,
2777 int *rcRangeChars, TEXTRANGE_PROPERTIES **rpRangeProperties,
2778 int cRanges, const WCHAR *pwcChars, WORD *pwLogClust,
2779 SCRIPT_CHARPROP *pCharProps, int cChars,
2780 const WORD *pwGlyphs, const SCRIPT_GLYPHPROP *pGlyphProps,
2781 int cGlyphs, int *piAdvance,
2782 GOFFSET *pGoffset, ABC *pABC
2783 )
2784 {
2785 HRESULT hr;
2786 int i;
2787
2788 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %p, %p, %d, %p, %p, %d, %p %p %p)\n",
2789 hdc, psc, psa,
2790 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2791 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2792 pwLogClust, pCharProps, cChars, pwGlyphs, pGlyphProps, cGlyphs, piAdvance,
2793 pGoffset, pABC);
2794
2795 if (!pGlyphProps) return E_INVALIDARG;
2796 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2797 if (!pGoffset) return E_FAIL;
2798
2799 if (cRanges)
2800 FIXME("Ranges not supported yet\n");
2801
2802 ((ScriptCache *)*psc)->userScript = tagScript;
2803 ((ScriptCache *)*psc)->userLang = tagLangSys;
2804
2805 if (pABC) memset(pABC, 0, sizeof(ABC));
2806 for (i = 0; i < cGlyphs; i++)
2807 {
2808 ABC abc;
2809 if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
2810 {
2811 if (!hdc) return E_PENDING;
2812 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
2813 {
2814 if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
2815 }
2816 else
2817 {
2818 INT width;
2819 if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
2820 abc.abcB = width;
2821 abc.abcA = abc.abcC = 0;
2822 }
2823 set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
2824 }
2825 if (pABC)
2826 {
2827 pABC->abcA += abc.abcA;
2828 pABC->abcB += abc.abcB;
2829 pABC->abcC += abc.abcC;
2830 }
2831 /* FIXME: set to more reasonable values */
2832 pGoffset[i].du = pGoffset[i].dv = 0;
2833 if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC;
2834 }
2835
2836 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
2837 return S_OK;
2838 }
2839
2840 /***********************************************************************
2841 * ScriptPlace (USP10.@)
2842 *
2843 * Produce advance widths for a run.
2844 *
2845 * PARAMS
2846 * hdc [I] Device context.
2847 * psc [I/O] Opaque pointer to a script cache.
2848 * pwGlyphs [I] Array of glyphs.
2849 * cGlyphs [I] Number of glyphs in pwGlyphs.
2850 * psva [I] Array of visual attributes.
2851 * psa [I/O] String analysis.
2852 * piAdvance [O] Array of advance widths.
2853 * pGoffset [O] Glyph offsets.
2854 * pABC [O] Combined ABC width.
2855 *
2856 * RETURNS
2857 * Success: S_OK
2858 * Failure: Non-zero HRESULT value.
2859 */
2860 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
2861 int cGlyphs, const SCRIPT_VISATTR *psva,
2862 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
2863 {
2864 HRESULT hr;
2865 SCRIPT_GLYPHPROP *glyphProps;
2866 int i;
2867
2868 TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
2869 piAdvance, pGoffset, pABC);
2870
2871 if (!psva) return E_INVALIDARG;
2872 if (!pGoffset) return E_FAIL;
2873
2874 glyphProps = heap_alloc(sizeof(SCRIPT_GLYPHPROP)*cGlyphs);
2875 if (!glyphProps) return E_OUTOFMEMORY;
2876
2877 for (i = 0; i < cGlyphs; i++)
2878 glyphProps[i].sva = psva[i];
2879
2880 hr = ScriptPlaceOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, NULL, NULL, NULL, 0, pwGlyphs, glyphProps, cGlyphs, piAdvance, pGoffset, pABC);
2881
2882 heap_free(glyphProps);
2883
2884 return hr;
2885 }
2886
2887 /***********************************************************************
2888 * ScriptGetCMap (USP10.@)
2889 *
2890 * Retrieve glyph indices.
2891 *
2892 * PARAMS
2893 * hdc [I] Device context.
2894 * psc [I/O] Opaque pointer to a script cache.
2895 * pwcInChars [I] Array of Unicode characters.
2896 * cChars [I] Number of characters in pwcInChars.
2897 * dwFlags [I] Flags.
2898 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
2899 *
2900 * RETURNS
2901 * Success: S_OK
2902 * Failure: Non-zero HRESULT value.
2903 */
2904 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
2905 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
2906 {
2907 HRESULT hr;
2908 int i;
2909
2910 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
2911 cChars, dwFlags, pwOutGlyphs);
2912
2913 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2914
2915 hr = S_OK;
2916
2917 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2918 {
2919 for (i = 0; i < cChars; i++)
2920 {
2921 WCHAR inChar;
2922 if (dwFlags == SGCM_RTL)
2923 inChar = mirror_char(pwcInChars[i]);
2924 else
2925 inChar = pwcInChars[i];
2926 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar)))
2927 {
2928 WORD glyph;
2929 if (!hdc) return E_PENDING;
2930 if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
2931 if (glyph == 0xffff)
2932 {
2933 hr = S_FALSE;
2934 glyph = 0x0;
2935 }
2936 pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph);
2937 }
2938 }
2939 }
2940 else
2941 {
2942 TRACE("no glyph translation\n");
2943 for (i = 0; i < cChars; i++)
2944 {
2945 WCHAR inChar;
2946 if (dwFlags == SGCM_RTL)
2947 inChar = mirror_char(pwcInChars[i]);
2948 else
2949 inChar = pwcInChars[i];
2950 pwOutGlyphs[i] = inChar;
2951 }
2952 }
2953 return hr;
2954 }
2955
2956 /***********************************************************************
2957 * ScriptTextOut (USP10.@)
2958 *
2959 */
2960 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
2961 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
2962 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
2963 const int *piJustify, const GOFFSET *pGoffset)
2964 {
2965 HRESULT hr = S_OK;
2966
2967 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
2968 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
2969 piAdvance, piJustify, pGoffset);
2970
2971 if (!hdc || !psc) return E_INVALIDARG;
2972 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
2973
2974 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
2975 fuOptions |= ETO_IGNORELANGUAGE;
2976 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
2977 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
2978
2979 if (psa->fRTL && psa->fLogicalOrder)
2980 {
2981 int i;
2982 WORD *rtlGlyphs;
2983
2984 rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD));
2985 if (!rtlGlyphs)
2986 return E_OUTOFMEMORY;
2987
2988 for (i = 0; i < cGlyphs; i++)
2989 rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i];
2990
2991 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL))
2992 hr = S_FALSE;
2993 heap_free(rtlGlyphs);
2994 }
2995 else
2996 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
2997 hr = S_FALSE;
2998
2999 return hr;
3000 }
3001
3002 /***********************************************************************
3003 * ScriptCacheGetHeight (USP10.@)
3004 *
3005 * Retrieve the height of the font in the cache.
3006 *
3007 * PARAMS
3008 * hdc [I] Device context.
3009 * psc [I/O] Opaque pointer to a script cache.
3010 * height [O] Receives font height.
3011 *
3012 * RETURNS
3013 * Success: S_OK
3014 * Failure: Non-zero HRESULT value.
3015 */
3016 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
3017 {
3018 HRESULT hr;
3019
3020 TRACE("(%p, %p, %p)\n", hdc, psc, height);
3021
3022 if (!height) return E_INVALIDARG;
3023 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
3024
3025 *height = get_cache_height(psc);
3026 return S_OK;
3027 }
3028
3029 /***********************************************************************
3030 * ScriptGetGlyphABCWidth (USP10.@)
3031 *
3032 * Retrieve the width of a glyph.
3033 *
3034 * PARAMS
3035 * hdc [I] Device context.
3036 * psc [I/O] Opaque pointer to a script cache.
3037 * glyph [I] Glyph to retrieve the width for.
3038 * abc [O] ABC widths of the glyph.
3039 *
3040 * RETURNS
3041 * Success: S_OK
3042 * Failure: Non-zero HRESULT value.
3043 */
3044 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
3045 {
3046 HRESULT hr;
3047
3048 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
3049
3050 if (!abc) return E_INVALIDARG;
3051 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
3052
3053 if (!get_cache_glyph_widths(psc, glyph, abc))
3054 {
3055 if (!hdc) return E_PENDING;
3056 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
3057 {
3058 if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
3059 }
3060 else
3061 {
3062 INT width;
3063 if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
3064 abc->abcB = width;
3065 abc->abcA = abc->abcC = 0;
3066 }
3067 set_cache_glyph_widths(psc, glyph, abc);
3068 }
3069 return S_OK;
3070 }
3071
3072 /***********************************************************************
3073 * ScriptLayout (USP10.@)
3074 *
3075 * Map embedding levels to visual and/or logical order.
3076 *
3077 * PARAMS
3078 * runs [I] Size of level array.
3079 * level [I] Array of embedding levels.
3080 * vistolog [O] Map of embedding levels from visual to logical order.
3081 * logtovis [O] Map of embedding levels from logical to visual order.
3082 *
3083 * RETURNS
3084 * Success: S_OK
3085 * Failure: Non-zero HRESULT value.
3086 *
3087 * BUGS
3088 * This stub works correctly for any sequence of a single
3089 * embedding level but not for sequences of different
3090 * embedding levels, i.e. mixtures of RTL and LTR scripts.
3091 */
3092 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
3093 {
3094 int* indexs;
3095 int ich;
3096
3097 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
3098
3099 if (!level || (!vistolog && !logtovis))
3100 return E_INVALIDARG;
3101
3102 indexs = heap_alloc(sizeof(int) * runs);
3103 if (!indexs)
3104 return E_OUTOFMEMORY;
3105
3106
3107 if (vistolog)
3108 {
3109 for( ich = 0; ich < runs; ich++)
3110 indexs[ich] = ich;
3111
3112 ich = 0;
3113 while (ich < runs)
3114 ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
3115 for (ich = 0; ich < runs; ich++)
3116 vistolog[ich] = indexs[ich];
3117 }
3118
3119
3120 if (logtovis)
3121 {
3122 for( ich = 0; ich < runs; ich++)
3123 indexs[ich] = ich;
3124
3125 ich = 0;
3126 while (ich < runs)
3127 ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
3128 for (ich = 0; ich < runs; ich++)
3129 logtovis[ich] = indexs[ich];
3130 }
3131 heap_free(indexs);
3132
3133 return S_OK;
3134 }
3135
3136 /***********************************************************************
3137 * ScriptStringGetLogicalWidths (USP10.@)
3138 *
3139 * Returns logical widths from a string analysis.
3140 *
3141 * PARAMS
3142 * ssa [I] string analysis.
3143 * piDx [O] logical widths returned.
3144 *
3145 * RETURNS
3146 * Success: S_OK
3147 * Failure: a non-zero HRESULT.
3148 */
3149 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
3150 {
3151 int i, j, next = 0;
3152 StringAnalysis *analysis = ssa;
3153
3154 TRACE("%p, %p\n", ssa, piDx);
3155
3156 if (!analysis) return S_FALSE;
3157 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
3158
3159 for (i = 0; i < analysis->numItems; i++)
3160 {
3161 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
3162 int direction = 1;
3163
3164 if (analysis->pItem[i].a.fRTL && ! analysis->pItem[i].a.fLogicalOrder)
3165 direction = -1;
3166
3167 for (j = 0; j < cChar; j++)
3168 {
3169 int k;
3170 int glyph = analysis->glyphs[i].pwLogClust[j];
3171 int clust_size = get_cluster_size(analysis->glyphs[i].pwLogClust,
3172 cChar, j, direction, NULL, NULL);
3173 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);
3174
3175 for (k = 0; k < clust_size; k++)
3176 {
3177 piDx[next] = advance / clust_size;
3178 next++;
3179 if (k) j++;
3180 }
3181 }
3182 }
3183 return S_OK;
3184 }
3185
3186 /***********************************************************************
3187 * ScriptStringValidate (USP10.@)
3188 *
3189 * Validate a string analysis.
3190 *
3191 * PARAMS
3192 * ssa [I] string analysis.
3193 *
3194 * RETURNS
3195 * Success: S_OK
3196 * Failure: S_FALSE if invalid sequences are found
3197 * or a non-zero HRESULT if it fails.
3198 */
3199 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
3200 {
3201 StringAnalysis *analysis = ssa;
3202
3203 TRACE("(%p)\n", ssa);
3204
3205 if (!analysis) return E_INVALIDARG;
3206 return (analysis->invalid) ? S_FALSE : S_OK;
3207 }
3208
3209 /***********************************************************************
3210 * ScriptString_pSize (USP10.@)
3211 *
3212 * Retrieve width and height of an analysed string.
3213 *
3214 * PARAMS
3215 * ssa [I] string analysis.
3216 *
3217 * RETURNS
3218 * Success: Pointer to a SIZE structure.
3219 * Failure: NULL
3220 */
3221 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
3222 {
3223 int i, j;
3224 StringAnalysis *analysis = ssa;
3225
3226 TRACE("(%p)\n", ssa);
3227
3228 if (!analysis) return NULL;
3229 if (!(analysis->dwFlags & SSA_GLYPHS)) return NULL;
3230
3231 if (!analysis->sz)
3232 {
3233 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
3234 analysis->sz->cy = analysis->glyphs[0].sc->tm.tmHeight;
3235
3236 analysis->sz->cx = 0;
3237 for (i = 0; i < analysis->numItems; i++)
3238 {
3239 if (analysis->glyphs[i].sc->tm.tmHeight > analysis->sz->cy)
3240 analysis->sz->cy = analysis->glyphs[i].sc->tm.tmHeight;
3241 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
3242 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
3243 }
3244 }
3245 return analysis->sz;
3246 }
3247
3248 /***********************************************************************
3249 * ScriptString_pLogAttr (USP10.@)
3250 *
3251 * Retrieve logical attributes of an analysed string.
3252 *
3253 * PARAMS
3254 * ssa [I] string analysis.
3255 *
3256 * RETURNS
3257 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
3258 * Failure: NULL
3259 */
3260 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
3261 {
3262 StringAnalysis *analysis = ssa;
3263
3264 TRACE("(%p)\n", ssa);
3265
3266 if (!analysis) return NULL;
3267 if (!(analysis->dwFlags & SSA_BREAK)) return NULL;
3268 return analysis->logattrs;
3269 }
3270
3271 /***********************************************************************
3272 * ScriptString_pcOutChars (USP10.@)
3273 *
3274 * Retrieve the length of a string after clipping.
3275 *
3276 * PARAMS
3277 * ssa [I] String analysis.
3278 *
3279 * RETURNS
3280 * Success: Pointer to the length.
3281 * Failure: NULL
3282 */
3283 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
3284 {
3285 StringAnalysis *analysis = ssa;
3286
3287 TRACE("(%p)\n", ssa);
3288
3289 if (!analysis) return NULL;
3290 return &analysis->clip_len;
3291 }
3292
3293 /***********************************************************************
3294 * ScriptStringGetOrder (USP10.@)
3295 *
3296 * Retrieve a glyph order map.
3297 *
3298 * PARAMS
3299 * ssa [I] String analysis.
3300 * order [I/O] Array of glyph positions.
3301 *
3302 * RETURNS
3303 * Success: S_OK
3304 * Failure: a non-zero HRESULT.
3305 */
3306 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
3307 {
3308 int i, j;
3309 unsigned int k;
3310 StringAnalysis *analysis = ssa;
3311
3312 TRACE("(%p)\n", ssa);
3313
3314 if (!analysis) return S_FALSE;
3315 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
3316
3317 /* FIXME: handle RTL scripts */
3318 for (i = 0, k = 0; i < analysis->numItems; i++)
3319 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
3320 order[k] = k;
3321
3322 return S_OK;
3323 }
3324
3325 /***********************************************************************
3326 * ScriptGetLogicalWidths (USP10.@)
3327 *
3328 * Convert advance widths to logical widths.
3329 *
3330 * PARAMS
3331 * sa [I] Script analysis.
3332 * nbchars [I] Number of characters.
3333 * nbglyphs [I] Number of glyphs.
3334 * glyph_width [I] Array of glyph widths.
3335 * log_clust [I] Array of logical clusters.
3336 * sva [I] Visual attributes.
3337 * widths [O] Array of logical widths.
3338 *
3339 * RETURNS
3340 * Success: S_OK
3341 * Failure: a non-zero HRESULT.
3342 */
3343 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
3344 const int *glyph_width, const WORD *log_clust,
3345 const SCRIPT_VISATTR *sva, int *widths)
3346 {
3347 int i;
3348
3349 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
3350 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
3351
3352 /* FIXME */
3353 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
3354 return S_OK;
3355 }
3356
3357 /***********************************************************************
3358 * ScriptApplyLogicalWidth (USP10.@)
3359 *
3360 * Generate glyph advance widths.
3361 *
3362 * PARAMS
3363 * dx [I] Array of logical advance widths.
3364 * num_chars [I] Number of characters.
3365 * num_glyphs [I] Number of glyphs.
3366 * log_clust [I] Array of logical clusters.
3367 * sva [I] Visual attributes.
3368 * advance [I] Array of glyph advance widths.
3369 * sa [I] Script analysis.
3370 * abc [I/O] Summed ABC widths.
3371 * justify [O] Array of glyph advance widths.
3372 *
3373 * RETURNS
3374 * Success: S_OK
3375 * Failure: a non-zero HRESULT.
3376 */
3377 HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs,
3378 const WORD *log_clust, const SCRIPT_VISATTR *sva,
3379 const int *advance, const SCRIPT_ANALYSIS *sa,
3380 ABC *abc, int *justify)
3381 {
3382 int i;
3383
3384 FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n",
3385 dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify);
3386
3387 for (i = 0; i < num_chars; i++) justify[i] = advance[i];
3388 return S_OK;
3389 }
3390
3391 HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance,
3392 int num_glyphs, int dx, int min_kashida, int *justify)
3393 {
3394 int i;
3395
3396 FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify);
3397
3398 for (i = 0; i < num_glyphs; i++) justify[i] = advance[i];
3399 return S_OK;
3400 }
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