2 * Implementation of Uniscribe Script Processor (usp10.dll)
4 * Copyright 2005 Steven Edwards for CodeWeavers
5 * Copyright 2006 Hans Leidekker
6 * Copyright 2010 CodeWeavers, Aric Stewart
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.
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.
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
23 * Uniscribe allows for processing of complex scripts such as joining
24 * and filtering characters and bi-directional text with custom line breaks.
37 #include "usp10_internal.h"
39 #include "wine/debug.h"
40 #include "wine/unicode.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
44 typedef struct _scriptRange
53 static const scriptRange scriptRanges[] = {
54 /* Basic Latin: U+0000–U+007A */
55 /* Latin-1 Supplement: U+0080–U+00FF */
56 /* Latin Extended-A: U+0100–U+017F */
57 /* Latin Extended-B: U+0180–U+024F */
58 /* IPA Extensions: U+0250–U+02AF */
59 { Script_Latin, 0x00, 0x2af , Script_Numeric, Script_Punctuation},
60 /* Greek: U+0370–U+03FF */
61 { Script_Greek, 0x370, 0x3ff, 0, 0},
62 /* Cyrillic: U+0400–U+04FF */
63 /* Cyrillic Supplement: U+0500–U+052F */
64 { Script_Cyrillic, 0x400, 0x52f, 0, 0},
65 /* Armenian: U+0530–U+058F */
66 { Script_Armenian, 0x530, 0x58f, 0, 0},
67 /* Hebrew: U+0590–U+05FF */
68 { Script_Hebrew, 0x590, 0x5ff, 0, 0},
69 /* Arabic: U+0600–U+06FF */
70 { Script_Arabic, 0x600, 0x6ef, Script_Arabic_Numeric, 0},
71 /* Defined by Windows */
72 { Script_Persian, 0x6f0, 0x6f9, 0, 0},
73 /* Continue Arabic: U+0600–U+06FF */
74 { Script_Arabic, 0x6fa, 0x6ff, 0, 0},
75 /* Syriac: U+0700–U+074F*/
76 { Script_Syriac, 0x700, 0x74f, 0, 0},
77 /* Arabic Supplement: U+0750–U+077F */
78 { Script_Arabic, 0x750, 0x77f, 0, 0},
79 /* Thaana: U+0780–U+07BF */
80 { Script_Thaana, 0x780, 0x7bf, 0, 0},
81 /* Devanagari: U+0900–U+097F */
82 { Script_Devanagari, 0x900, 0x97f, Script_Devanagari_Numeric, 0},
83 /* Bengali: U+0980–U+09FF */
84 { Script_Bengali, 0x980, 0x9ff, Script_Bengali_Numeric, 0},
85 /* Gurmukhi: U+0A00–U+0A7F*/
86 { Script_Gurmukhi, 0xa00, 0xa7f, Script_Gurmukhi_Numeric, 0},
87 /* Gujarati: U+0A80–U+0AFF*/
88 { Script_Gujarati, 0xa80, 0xaff, Script_Gujarati_Numeric, 0},
89 /* Oriya: U+0B00–U+0B7F */
90 { Script_Oriya, 0xb00, 0xb7f, Script_Oriya_Numeric, 0},
91 /* Tamil: U+0B80–U+0BFF */
92 { Script_Tamil, 0xb80, 0xbff, Script_Tamil_Numeric, 0},
93 /* Telugu: U+0C00–U+0C7F */
94 { Script_Telugu, 0xc00, 0xc7f, Script_Telugu_Numeric, 0},
95 /* Kannada: U+0C80–U+0CFF */
96 { Script_Kannada, 0xc80, 0xcff, Script_Kannada_Numeric, 0},
97 /* Malayalam: U+0D00–U+0D7F */
98 { Script_Malayalam, 0xd00, 0xd7f, Script_Malayalam_Numeric, 0},
99 /* Sinhala: U+0D80–U+0DFF */
100 { Script_Sinhala, 0xd80, 0xdff, 0, 0},
101 /* Thai: U+0E00–U+0E7F */
102 { Script_Thai, 0xe00, 0xe7f, Script_Thai_Numeric, 0},
103 /* Lao: U+0E80–U+0EFF */
104 { Script_Lao, 0xe80, 0xeff, Script_Lao_Numeric, 0},
105 /* Tibetan: U+0F00–U+0FFF */
106 { Script_Tibetan, 0xf00, 0xfff, Script_Tibetan_Numeric, 0},
107 /* Georgian: U+10A0–U+10FF */
108 { Script_Georgian, 0x10a0, 0x10ff, 0, 0},
109 /* Vedic Extensions: U+1CD0-U+1CFF */
110 { Script_Devanagari, 0x1cd0, 0x1cff, Script_Devanagari_Numeric, 0},
111 /* Phonetic Extensions: U+1D00–U+1DBF */
112 { Script_Latin, 0x1d00, 0x1dbf, 0, 0},
113 /* Latin Extended Additional: U+1E00–U+1EFF */
114 { Script_Latin, 0x1e00, 0x1eff, 0, 0},
115 /* Greek Extended: U+1F00–U+1FFF */
116 { Script_Greek, 0x1f00, 0x1fff, 0, 0},
117 /* Latin Extended-C: U+2C60–U+2C7F */
118 { Script_Latin, 0x2c60, 0x2c7f, 0, 0},
119 /* Georgian: U+2D00–U+2D2F */
120 { Script_Georgian, 0x2d00, 0x2d2f, 0, 0},
121 /* Cyrillic Extended-A: U+2DE0–U+2DFF */
122 { Script_Cyrillic, 0x2de0, 0x2dff, 0, 0},
123 /* Cyrillic Extended-B: U+A640–U+A69F */
124 { Script_Cyrillic, 0xa640, 0xa69f, 0, 0},
125 /* Modifier Tone Letters: U+A700–U+A71F */
126 /* Latin Extended-D: U+A720–U+A7FF */
127 { Script_Latin, 0xa700, 0xa7ff, 0, 0},
128 /* Phags-pa: U+A840–U+A87F */
129 { Script_Phags_pa, 0xa840, 0xa87f, 0, 0},
130 /* Devanagari Extended: U+A8E0-U+A8FF */
131 { Script_Devanagari, 0xa8e0, 0xa8ff, Script_Devanagari_Numeric, 0},
132 /* Latin Ligatures: U+FB00–U+FB06 */
133 { Script_Latin, 0xfb00, 0xfb06, 0, 0},
134 /* Armenian ligatures U+FB13..U+FB17 */
135 { Script_Armenian, 0xfb13, 0xfb17, 0, 0},
136 /* Alphabetic Presentation Forms: U+FB1D–U+FB4F */
137 { Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0},
138 /* Arabic Presentation Forms-A: U+FB50–U+FDFF*/
139 { Script_Arabic, 0xfb50, 0xfdff, 0, 0},
140 /* Arabic Presentation Forms-B: U+FE70–U+FEFF*/
141 { Script_Arabic, 0xfe70, 0xfeff, 0, 0},
143 { SCRIPT_UNDEFINED, 0, 0, 0}
146 typedef struct _scriptData
149 SCRIPT_PROPERTIES props;
150 OPENTYPE_TAG scriptTag;
151 WCHAR fallbackFont[LF_FACESIZE];
154 /* the must be in order so that the index matches the Script value */
155 static const scriptData scriptInformation[] = {
156 {{SCRIPT_UNDEFINED, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
157 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
160 {{Script_Latin, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
161 {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
162 MS_MAKE_TAG('l','a','t','n'),
164 {{Script_CR, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
165 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
168 {{Script_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
169 {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
172 {{Script_Control, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
173 {LANG_ENGLISH, 0, 1, 0, 0, ANSI_CHARSET, 1, 0, 0, 0, 0, 0, 1, 0, 0},
176 {{Script_Punctuation, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
177 {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
180 {{Script_Arabic, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
181 {LANG_ARABIC, 0, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 1, 0},
182 MS_MAKE_TAG('a','r','a','b'),
183 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
184 {{Script_Arabic_Numeric, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
185 {LANG_ARABIC, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
186 MS_MAKE_TAG('a','r','a','b'),
187 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
188 {{Script_Hebrew, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
189 {LANG_HEBREW, 0, 1, 0, 1, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
190 MS_MAKE_TAG('h','e','b','r'),
191 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
192 {{Script_Syriac, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
193 {LANG_SYRIAC, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 1, 0},
194 MS_MAKE_TAG('s','y','r','c'),
195 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
196 {{Script_Persian, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
197 {LANG_PERSIAN, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
198 MS_MAKE_TAG('s','y','r','c'),
199 {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}},
200 {{Script_Thaana, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}},
201 {LANG_DIVEHI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
202 MS_MAKE_TAG('t','h','a','a'),
203 {'M','V',' ','B','o','l','i',0}},
204 {{Script_Greek, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
205 {LANG_GREEK, 0, 0, 0, 0, GREEK_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
206 MS_MAKE_TAG('g','r','e','k'),
208 {{Script_Cyrillic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
209 {LANG_RUSSIAN, 0, 0, 0, 0, RUSSIAN_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
210 MS_MAKE_TAG('c','y','r','l'),
212 {{Script_Armenian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
213 {LANG_ARMENIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
214 MS_MAKE_TAG('a','r','m','n'),
215 {'S','y','l','f','a','e','n',0}},
216 {{Script_Georgian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
217 {LANG_GEORGIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0},
218 MS_MAKE_TAG('g','e','o','r'),
219 {'S','y','l','f','a','e','n',0}},
220 {{Script_Sinhala, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
221 {LANG_SINHALESE, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
222 MS_MAKE_TAG('s','i','n','h'),
223 {'I','s','k','o','o','l','a',' ','P','o','t','a',0}},
224 {{Script_Tibetan, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
225 {LANG_TIBETAN, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
226 MS_MAKE_TAG('t','i','b','t'),
227 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
228 {{Script_Tibetan_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
229 {LANG_TIBETAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
230 MS_MAKE_TAG('t','i','b','t'),
231 {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}},
232 {{Script_Phags_pa, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
233 {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
234 MS_MAKE_TAG('p','h','a','g'),
235 {'M','i','c','r','o','s','o','f','t',' ','P','h','a','g','s','P','a',0}},
236 {{Script_Thai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
237 {LANG_THAI, 0, 1, 1, 1, THAI_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 1},
238 MS_MAKE_TAG('t','h','a','i'),
239 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
240 {{Script_Thai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
241 {LANG_THAI, 1, 1, 0, 0, THAI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
242 MS_MAKE_TAG('t','h','a','i'),
243 {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}},
244 {{Script_Lao, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
245 {LANG_LAO, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0},
246 MS_MAKE_TAG('l','a','o',' '),
247 {'D','o','k','C','h','a','m','p','a',0}},
248 {{Script_Lao_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
249 {LANG_LAO, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
250 MS_MAKE_TAG('l','a','o',' '),
251 {'D','o','k','C','h','a','m','p','a',0}},
252 {{Script_Devanagari, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
253 {LANG_HINDI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
254 MS_MAKE_TAG('d','e','v','a'),
255 {'M','a','n','g','a','l',0}},
256 {{Script_Devanagari_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
257 {LANG_HINDI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
258 MS_MAKE_TAG('d','e','v','a'),
259 {'M','a','n','g','a','l',0}},
260 {{Script_Bengali, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
261 {LANG_BENGALI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
262 MS_MAKE_TAG('b','e','n','g'),
263 {'V','r','i','n','d','a',0}},
264 {{Script_Bengali_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
265 {LANG_BENGALI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
266 MS_MAKE_TAG('b','e','n','g'),
267 {'V','r','i','n','d','a',0}},
268 {{Script_Bengali_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
269 {LANG_BENGALI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
270 MS_MAKE_TAG('b','e','n','g'),
271 {'V','r','i','n','d','a',0}},
272 {{Script_Gurmukhi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
273 {LANG_PUNJABI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
274 MS_MAKE_TAG('g','u','r','u'),
275 {'R','a','a','v','i',0}},
276 {{Script_Gurmukhi_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
277 {LANG_PUNJABI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
278 MS_MAKE_TAG('g','u','r','u'),
279 {'R','a','a','v','i',0}},
280 {{Script_Gujarati, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
281 {LANG_GUJARATI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
282 MS_MAKE_TAG('g','u','j','r'),
283 {'S','h','r','u','t','i',0}},
284 {{Script_Gujarati_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
285 {LANG_GUJARATI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
286 MS_MAKE_TAG('g','u','j','r'),
287 {'S','h','r','u','t','i',0}},
288 {{Script_Gujarati_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
289 {LANG_GUJARATI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
290 MS_MAKE_TAG('g','u','j','r'),
291 {'S','h','r','u','t','i',0}},
292 {{Script_Oriya, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
293 {LANG_ORIYA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
294 MS_MAKE_TAG('o','r','y','a'),
295 {'K','a','l','i','n','g','a',0}},
296 {{Script_Oriya_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
297 {LANG_ORIYA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
298 MS_MAKE_TAG('o','r','y','a'),
299 {'K','a','l','i','n','g','a',0}},
300 {{Script_Tamil, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
301 {LANG_TAMIL, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
302 MS_MAKE_TAG('t','a','m','l'),
303 {'L','a','t','h','a',0}},
304 {{Script_Tamil_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
305 {LANG_TAMIL, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
306 MS_MAKE_TAG('t','a','m','l'),
307 {'L','a','t','h','a',0}},
308 {{Script_Telugu, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
309 {LANG_TELUGU, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
310 MS_MAKE_TAG('t','e','l','u'),
311 {'G','a','u','t','a','m','i',0}},
312 {{Script_Telugu_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
313 {LANG_TELUGU, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
314 MS_MAKE_TAG('t','e','l','u'),
315 {'G','a','u','t','a','m','i',0}},
316 {{Script_Kannada, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
317 {LANG_KANNADA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
318 MS_MAKE_TAG('k','n','d','a'),
319 {'T','u','n','g','a',0}},
320 {{Script_Kannada_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
321 {LANG_KANNADA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
322 MS_MAKE_TAG('k','n','d','a'),
323 {'T','u','n','g','a',0}},
324 {{Script_Malayalam, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
325 {LANG_MALAYALAM, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0},
326 MS_MAKE_TAG('m','l','y','m'),
327 {'K','a','r','t','i','k','a',0}},
328 {{Script_Malayalam_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}},
329 {LANG_MALAYALAM, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0},
330 MS_MAKE_TAG('m','l','y','m'),
331 {'K','a','r','t','i','k','a',0}},
334 static const SCRIPT_PROPERTIES *script_props[] =
336 &scriptInformation[0].props, &scriptInformation[1].props,
337 &scriptInformation[2].props, &scriptInformation[3].props,
338 &scriptInformation[4].props, &scriptInformation[5].props,
339 &scriptInformation[6].props, &scriptInformation[7].props,
340 &scriptInformation[8].props, &scriptInformation[9].props,
341 &scriptInformation[10].props, &scriptInformation[11].props,
342 &scriptInformation[12].props, &scriptInformation[13].props,
343 &scriptInformation[14].props, &scriptInformation[15].props,
344 &scriptInformation[16].props, &scriptInformation[17].props,
345 &scriptInformation[18].props, &scriptInformation[19].props,
346 &scriptInformation[20].props, &scriptInformation[21].props,
347 &scriptInformation[22].props, &scriptInformation[23].props,
348 &scriptInformation[24].props, &scriptInformation[25].props,
349 &scriptInformation[26].props, &scriptInformation[27].props,
350 &scriptInformation[28].props, &scriptInformation[29].props,
351 &scriptInformation[30].props, &scriptInformation[31].props,
352 &scriptInformation[32].props, &scriptInformation[33].props,
353 &scriptInformation[34].props, &scriptInformation[35].props,
354 &scriptInformation[36].props, &scriptInformation[37].props,
355 &scriptInformation[38].props, &scriptInformation[39].props,
356 &scriptInformation[40].props, &scriptInformation[41].props,
357 &scriptInformation[42].props, &scriptInformation[43].props
366 SCRIPT_VISATTR* psva;
382 StringGlyphs* glyphs;
383 SCRIPT_LOGATTR* logattrs;
388 static inline void *heap_alloc(SIZE_T size)
390 return HeapAlloc(GetProcessHeap(), 0, size);
393 static inline void *heap_alloc_zero(SIZE_T size)
395 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
398 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
400 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
403 static inline BOOL heap_free(LPVOID mem)
405 return HeapFree(GetProcessHeap(), 0, mem);
408 static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
410 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
413 static inline LONG get_cache_height(SCRIPT_CACHE *psc)
415 return ((ScriptCache *)*psc)->tm.tmHeight;
418 static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
420 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
423 static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c)
425 WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
427 if (!block) return 0;
428 return block[c & GLYPH_BLOCK_MASK];
431 static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
433 WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
435 if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
436 return ((*block)[c & GLYPH_BLOCK_MASK] = glyph);
439 static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
441 static const ABC nil;
442 ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
444 if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
445 memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
449 static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
451 ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
453 if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
454 memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
458 static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
462 if (!psc) return E_INVALIDARG;
463 if (*psc) return S_OK;
464 if (!hdc) return E_PENDING;
466 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
467 if (!GetTextMetricsW(hdc, &sc->tm))
472 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
477 sc->sfnt = (GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, NULL, 0)!=GDI_ERROR);
479 TRACE("<- %p\n", sc);
483 static WCHAR mirror_char( WCHAR ch )
485 extern const WCHAR wine_mirror_map[];
486 return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
489 static WORD get_char_script( WCHAR ch)
494 if (ch == 0xc || ch == 0x20 || ch == 0x202f)
497 GetStringTypeW(CT_CTYPE1, &ch, 1, &type);
500 return SCRIPT_UNDEFINED;
503 return Script_Control;
508 if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
511 if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
513 if (scriptRanges[i].numericScript && type & C1_DIGIT)
514 return scriptRanges[i].numericScript;
515 if (scriptRanges[i].punctScript && type & C1_PUNCT)
516 return scriptRanges[i].punctScript;
517 return scriptRanges[i].script;
522 return SCRIPT_UNDEFINED;
525 /***********************************************************************
529 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
533 case DLL_PROCESS_ATTACH:
534 DisableThreadLibraryCalls(hInstDLL);
536 case DLL_PROCESS_DETACH:
542 /***********************************************************************
543 * ScriptFreeCache (USP10.@)
545 * Free a script cache.
548 * psc [I/O] Script cache.
552 * Failure: Non-zero HRESULT value.
554 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
561 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
563 heap_free(((ScriptCache *)*psc)->glyphs[i]);
564 heap_free(((ScriptCache *)*psc)->widths[i]);
566 heap_free(((ScriptCache *)*psc)->GSUB_Table);
567 heap_free(((ScriptCache *)*psc)->GDEF_Table);
568 heap_free(((ScriptCache *)*psc)->features);
575 /***********************************************************************
576 * ScriptGetProperties (USP10.@)
578 * Retrieve a list of script properties.
581 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
582 * num [I] Pointer to the number of scripts.
586 * Failure: Non-zero HRESULT value.
589 * Behaviour matches WinXP.
591 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
593 TRACE("(%p,%p)\n", props, num);
595 if (!props && !num) return E_INVALIDARG;
597 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
598 if (props) *props = script_props;
603 /***********************************************************************
604 * ScriptGetFontProperties (USP10.@)
606 * Get information on special glyphs.
609 * hdc [I] Device context.
610 * psc [I/O] Opaque pointer to a script cache.
611 * sfp [O] Font properties structure.
613 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
617 TRACE("%p,%p,%p\n", hdc, psc, sfp);
619 if (!sfp) return E_INVALIDARG;
620 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
622 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
625 /* return something sensible? */
627 sfp->wgDefault = get_cache_default_char(psc);
629 sfp->wgKashida = 0xffff;
630 sfp->iKashidaWidth = 0;
635 /***********************************************************************
636 * ScriptRecordDigitSubstitution (USP10.@)
638 * Record digit substitution settings for a given locale.
641 * locale [I] Locale identifier.
642 * sds [I] Structure to record substitution settings.
646 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
649 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
651 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
655 TRACE("0x%x, %p\n", locale, sds);
657 /* This implementation appears to be correct for all languages, but it's
658 * not clear if sds->DigitSubstitute is ever set to anything except
659 * CONTEXT or NONE in reality */
661 if (!sds) return E_POINTER;
663 locale = ConvertDefaultLocale(locale);
665 if (!IsValidLocale(locale, LCID_INSTALLED))
668 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
669 sds->TraditionalDigitLanguage = plgid;
671 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
672 sds->NationalDigitLanguage = plgid;
674 sds->NationalDigitLanguage = LANG_ENGLISH;
676 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
677 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
682 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
683 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
685 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
688 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
691 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
694 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
702 /***********************************************************************
703 * ScriptApplyDigitSubstitution (USP10.@)
705 * Apply digit substitution settings.
708 * sds [I] Structure with recorded substitution settings.
709 * sc [I] Script control structure.
710 * ss [I] Script state structure.
714 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
716 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
717 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
719 SCRIPT_DIGITSUBSTITUTE psds;
721 TRACE("%p, %p, %p\n", sds, sc, ss);
723 if (!sc || !ss) return E_POINTER;
727 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
731 sc->uDefaultLanguage = LANG_ENGLISH;
732 sc->fContextDigits = 0;
733 ss->fDigitSubstitute = 0;
735 switch (sds->DigitSubstitute) {
736 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
737 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
738 case SCRIPT_DIGITSUBSTITUTE_NONE:
739 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
746 /***********************************************************************
747 * ScriptItemizeOpenType (USP10.@)
749 * Split a Unicode string into shapeable parts.
752 * pwcInChars [I] String to split.
753 * cInChars [I] Number of characters in pwcInChars.
754 * cMaxItems [I] Maximum number of items to return.
755 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
756 * psState [I] Pointer to a SCRIPT_STATE structure.
757 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
758 * pScriptTags [O] Buffer to receive OPENTYPE_TAGs.
759 * pcItems [O] Number of script items returned.
763 * Failure: Non-zero HRESULT value.
765 HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
766 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
767 SCRIPT_ITEM *pItems, OPENTYPE_TAG *pScriptTags, int *pcItems)
770 #define Numeric_space 0x0020
774 int cnt = 0, index = 0, str = 0;
777 WORD *strength = NULL;
780 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
781 psControl, psState, pItems, pcItems);
783 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
786 if (psState && psControl)
789 levels = heap_alloc_zero(cInChars * sizeof(WORD));
791 return E_OUTOFMEMORY;
793 BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels);
794 baselevel = levels[0];
795 for (i = 0; i < cInChars; i++)
796 if (levels[i]!=levels[0])
798 if (i >= cInChars && !odd(baselevel))
805 if (!psControl->fMergeNeutralItems)
807 strength = heap_alloc_zero(cInChars * sizeof(WORD));
808 BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
813 while ((pwcInChars[cnt] == Numeric_space || pwcInChars[cnt] == ZWJ || pwcInChars[cnt] == ZWNJ) && cnt < cInChars)
816 if (cnt == cInChars) /* All Spaces */
819 New_Script = get_char_script(pwcInChars[cnt]);
822 pItems[index].iCharPos = 0;
823 pItems[index].a = scriptInformation[get_char_script(pwcInChars[cnt])].a;
824 pScriptTags[index] = scriptInformation[get_char_script(pwcInChars[cnt])].scriptTag;
832 pItems[index].a.fRTL = odd(levels[cnt]);
833 pItems[index].a.fLayoutRTL = odd(levels[cnt]);
834 pItems[index].a.s.uBidiLevel = levels[cnt];
836 else if (!pItems[index].a.s.uBidiLevel)
838 pItems[index].a.s.uBidiLevel = baselevel;
839 pItems[index].a.fLayoutRTL = odd(baselevel);
840 pItems[index].a.fRTL = odd(baselevel);
843 TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
844 levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt,
845 pItems[index].iCharPos);
847 for (cnt=1; cnt < cInChars; cnt++)
849 if (levels && (levels[cnt] == pItems[index].a.s.uBidiLevel && (!strength || (strength[cnt] == 0 || strength[cnt] == str))))
852 if(pwcInChars[cnt] != Numeric_space && pwcInChars[cnt] != ZWJ && pwcInChars[cnt] != ZWNJ)
853 New_Script = get_char_script(pwcInChars[cnt]);
857 while (cnt + j < cInChars - 1 && (pwcInChars[cnt+j] == Numeric_space || pwcInChars[cnt+j] == ZWJ || pwcInChars[cnt+j] == ZWNJ))
859 New_Script = get_char_script(pwcInChars[cnt+j]);
862 if ((levels && (levels[cnt] != pItems[index].a.s.uBidiLevel || (strength && (strength[cnt] != str)))) || (New_Script != -1 && New_Script != pItems[index].a.eScript) || New_Script == Script_Control)
864 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);
866 if (strength && strength[cnt] != 0)
870 if (index+1 > cMaxItems)
871 return E_OUTOFMEMORY;
873 pItems[index].iCharPos = cnt;
874 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
876 pItems[index].a = scriptInformation[New_Script].a;
877 pScriptTags[index] = scriptInformation[New_Script].scriptTag;
880 pItems[index].a.fRTL = odd(levels[cnt]);
881 pItems[index].a.fLayoutRTL = odd(levels[cnt]);
882 pItems[index].a.s.uBidiLevel = levels[cnt];
884 else if (!pItems[index].a.s.uBidiLevel)
886 pItems[index].a.s.uBidiLevel = baselevel;
887 pItems[index].a.fLayoutRTL = odd(baselevel);
888 pItems[index].a.fRTL = odd(baselevel);
891 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
895 /* While not strictly necessary according to the spec, make sure the n+1
896 * item is set up to prevent random behaviour if the caller erroneously
897 * checks the n+1 structure */
899 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
901 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
903 /* Set one SCRIPT_STATE item being returned */
904 if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
905 if (pcItems) *pcItems = index;
907 /* Set SCRIPT_ITEM */
908 pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
914 /***********************************************************************
915 * ScriptItemize (USP10.@)
917 * Split a Unicode string into shapeable parts.
920 * pwcInChars [I] String to split.
921 * cInChars [I] Number of characters in pwcInChars.
922 * cMaxItems [I] Maximum number of items to return.
923 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
924 * psState [I] Pointer to a SCRIPT_STATE structure.
925 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
926 * pcItems [O] Number of script items returned.
930 * Failure: Non-zero HRESULT value.
932 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
933 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
934 SCRIPT_ITEM *pItems, int *pcItems)
936 OPENTYPE_TAG *discarded_tags;
939 discarded_tags = heap_alloc(cMaxItems * sizeof(OPENTYPE_TAG));
941 return E_OUTOFMEMORY;
942 res = ScriptItemizeOpenType(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, discarded_tags, pcItems);
943 heap_free(discarded_tags);
947 static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x)
951 INT *lpTabPos = NULL;
956 lpTabPos = pTabdef->pTabStops;
958 if (pTabdef && pTabdef->iTabOrigin)
961 nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4;
963 nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth;
967 cTabStops = pTabdef->cTabStops;
972 defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4;
974 defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth;
978 defWidth = 8 * psc->tm.tmAveCharWidth;
980 for (; cTabStops>0 ; lpTabPos++, cTabStops--)
982 int position = *lpTabPos;
984 position = -1 * position;
986 position = (position * pTabdef->iScale) / 4;
988 position = position * psc->tm.tmAveCharWidth;
990 if( nTabOrg + position > current_x)
994 /* a left aligned tab */
995 x = (nTabOrg + *lpTabPos) - current_x;
1000 FIXME("Negative tabstop\n");
1005 if ((!cTabStops) && (defWidth > 0))
1006 x =((((current_x - nTabOrg) / defWidth)+1) * defWidth) - current_x;
1007 else if ((!cTabStops) && (defWidth < 0))
1008 FIXME("TODO: Negative defWidth\n");
1013 /***********************************************************************
1014 * Helper function for ScriptStringAnalyse
1016 static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
1017 const WCHAR *pwcInChars, int cChars )
1019 /* FIXME: When to properly fallback is still a bit of a mystery */
1022 if (psa->fNoGlyphIndex)
1025 if (init_script_cache(hdc, psc) != S_OK)
1028 if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK)
1031 glyphs = heap_alloc(sizeof(WORD) * cChars);
1034 if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK)
1044 static void find_fallback_font(DWORD scriptid, LPWSTR FaceName)
1048 if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey))
1050 static const WCHAR szFmt[] = {'%','x',0};
1052 DWORD count = LF_FACESIZE * sizeof(WCHAR);
1055 sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag);
1056 if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count))
1057 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1061 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1064 /***********************************************************************
1065 * ScriptStringAnalyse (USP10.@)
1068 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
1069 int cGlyphs, int iCharset, DWORD dwFlags,
1070 int iReqWidth, SCRIPT_CONTROL *psControl,
1071 SCRIPT_STATE *psState, const int *piDx,
1072 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
1073 SCRIPT_STRING_ANALYSIS *pssa)
1075 HRESULT hr = E_OUTOFMEMORY;
1076 StringAnalysis *analysis = NULL;
1077 SCRIPT_CONTROL sControl;
1078 SCRIPT_STATE sState;
1079 int i, num_items = 255;
1081 WCHAR *iString = NULL;
1083 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
1084 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
1085 psControl, psState, piDx, pTabdef, pbInClass, pssa);
1089 FIXME("Only Unicode strings are supported\n");
1090 return E_INVALIDARG;
1092 if (cString < 1 || !pString) return E_INVALIDARG;
1093 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
1095 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
1096 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
1098 /* FIXME: handle clipping */
1099 analysis->clip_len = cString;
1100 analysis->hdc = hdc;
1101 analysis->dwFlags = dwFlags;
1106 memset(&sState, 0, sizeof(SCRIPT_STATE));
1109 sControl = *psControl;
1111 memset(&sControl, 0, sizeof(SCRIPT_CONTROL));
1113 if (dwFlags & SSA_PASSWORD)
1115 iString = heap_alloc(sizeof(WCHAR)*cString);
1121 for (i = 0; i < cString; i++)
1122 iString[i] = *((const WCHAR *)pString);
1126 hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem,
1127 &analysis->numItems);
1129 while (hr == E_OUTOFMEMORY)
1134 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
1137 analysis->pItem = tmp;
1138 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
1139 &analysis->numItems);
1141 if (hr != S_OK) goto error;
1143 /* set back to out of memory for default goto error behaviour */
1146 if (dwFlags & SSA_BREAK)
1148 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
1150 for (i = 0; i < analysis->numItems; i++)
1151 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]);
1157 if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
1159 if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
1162 if (dwFlags & SSA_GLYPHS)
1165 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
1168 for (i = 0; i < analysis->numItems; i++)
1170 SCRIPT_CACHE *sc = (SCRIPT_CACHE*)&analysis->glyphs[i].sc;
1171 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1172 int numGlyphs = 1.5 * cChar + 16;
1173 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
1174 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
1175 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
1176 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * numGlyphs);
1177 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
1178 ABC *abc = heap_alloc_zero(sizeof(ABC));
1179 int numGlyphsReturned;
1180 HFONT originalFont = 0x0;
1182 /* FIXME: non unicode strings */
1183 const WCHAR* pStr = (const WCHAR*)pString;
1184 analysis->glyphs[i].fallbackFont = NULL;
1186 if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc)
1189 heap_free (pwLogClust);
1190 heap_free (piAdvance);
1192 heap_free (pGoffset);
1198 if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar))
1201 GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), & lf);
1202 lf.lfCharSet = scriptInformation[analysis->pItem[i].a.eScript].props.bCharSet;
1203 find_fallback_font(analysis->pItem[i].a.eScript, lf.lfFaceName);
1204 analysis->glyphs[i].fallbackFont = CreateFontIndirectW(&lf);
1205 if (analysis->glyphs[i].fallbackFont)
1207 ScriptFreeCache(sc);
1208 originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont);
1212 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
1213 cChar, numGlyphs, &analysis->pItem[i].a,
1214 glyphs, pwLogClust, psva, &numGlyphsReturned);
1215 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
1216 piAdvance, pGoffset, abc);
1218 SelectObject(hdc,originalFont);
1220 if (dwFlags & SSA_TAB)
1223 for (tabi = 0; tabi < cChar; tabi++)
1225 if (pStr[analysis->pItem[i].iCharPos+tabi] == 0x0009)
1226 piAdvance[tabi] = getGivenTabWidth(analysis->glyphs[i].sc, pTabdef, analysis->pItem[i].iCharPos+tabi, tab_x);
1227 tab_x+=piAdvance[tabi];
1231 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
1232 analysis->glyphs[i].glyphs = glyphs;
1233 analysis->glyphs[i].pwLogClust = pwLogClust;
1234 analysis->glyphs[i].piAdvance = piAdvance;
1235 analysis->glyphs[i].psva = psva;
1236 analysis->glyphs[i].pGoffset = pGoffset;
1237 analysis->glyphs[i].abc = abc;
1238 analysis->glyphs[i].iMaxPosX= -1;
1240 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1245 for (i = 0; i < analysis->numItems; i++)
1246 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1249 ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
1250 heap_free(BidiLevel);
1258 heap_free(analysis->glyphs);
1259 heap_free(analysis->logattrs);
1260 heap_free(analysis->pItem);
1261 heap_free(analysis->logical2visual);
1262 heap_free(analysis);
1266 static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction)
1270 if (pva[glyph].fClusterStart)
1272 for (i = 0; i < cChars; i++)
1273 if (pwLogClust[i] == glyph) break;
1281 static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa,
1292 StringAnalysis *analysis;
1295 COLORREF BkColor = 0x0;
1296 COLORREF TextColor = 0x0;
1298 INT runStart, runEnd;
1299 INT iGlyph, cGlyphs;
1300 HFONT oldFont = 0x0;
1302 TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n",
1303 ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled);
1305 if (!(analysis = ssa)) return E_INVALIDARG;
1307 if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) ||
1308 (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd))
1313 BkMode = GetBkMode(analysis->hdc);
1314 SetBkMode( analysis->hdc, OPAQUE);
1315 BkColor = GetBkColor(analysis->hdc);
1316 SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT));
1319 TextColor = GetTextColor(analysis->hdc);
1320 SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
1323 if (analysis->glyphs[iItem].fallbackFont)
1324 oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont);
1326 if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart)
1327 runStart = cStart - analysis->pItem[iItem].iCharPos;
1330 if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd)
1331 runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos;
1333 runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1;
1335 if (analysis->pItem[iItem].a.fRTL)
1337 if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos)
1338 ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x);
1340 ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x);
1344 if (cStart >=0 && runStart)
1345 ScriptStringCPtoX(ssa, cStart, FALSE, &off_x);
1347 ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x);
1350 if (analysis->pItem[iItem].a.fRTL)
1351 iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd];
1353 iGlyph = analysis->glyphs[iItem].pwLogClust[runStart];
1355 if (analysis->pItem[iItem].a.fRTL)
1356 cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph;
1358 cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph;
1362 if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo)
1367 clust_glyph = iGlyph + cGlyphs;
1368 if (analysis->pItem[iItem].a.fRTL)
1373 while(clust_glyph < analysis->glyphs[iItem].numGlyphs &&
1374 !does_glyph_start_cluster(analysis->glyphs[iItem].psva, analysis->glyphs[iItem].pwLogClust, (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos), clust_glyph, direction))
1381 hr = ScriptTextOut(analysis->hdc,
1382 (SCRIPT_CACHE *)&analysis->glyphs[iItem].sc, iX + off_x,
1383 iY, uOptions, prc, &analysis->pItem[iItem].a, NULL, 0,
1384 &analysis->glyphs[iItem].glyphs[iGlyph], cGlyphs,
1385 &analysis->glyphs[iItem].piAdvance[iGlyph], NULL,
1386 &analysis->glyphs[iItem].pGoffset[iGlyph]);
1388 TRACE("ScriptTextOut hr=%08x\n", hr);
1392 SetBkColor(analysis->hdc, BkColor);
1393 SetBkMode( analysis->hdc, BkMode);
1395 SetTextColor(analysis->hdc, TextColor);
1397 if (analysis->glyphs[iItem].fallbackFont)
1398 SelectObject(analysis->hdc, oldFont);
1403 /***********************************************************************
1404 * ScriptStringOut (USP10.@)
1406 * This function takes the output of ScriptStringAnalyse and joins the segments
1407 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
1408 * only processes glyphs.
1411 * ssa [I] buffer to hold the analysed string components
1412 * iX [I] X axis displacement for output
1413 * iY [I] Y axis displacement for output
1414 * uOptions [I] flags controling output processing
1415 * prc [I] rectangle coordinates
1416 * iMinSel [I] starting pos for substringing output string
1417 * iMaxSel [I] ending pos for substringing output string
1418 * fDisabled [I] controls text highlighting
1422 * Failure: is the value returned by ScriptTextOut
1424 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
1433 StringAnalysis *analysis;
1437 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
1438 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
1440 if (!(analysis = ssa)) return E_INVALIDARG;
1441 if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG;
1443 for (item = 0; item < analysis->numItems; item++)
1445 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled);
1450 if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0))
1452 if (iMaxSel > 0 && iMinSel < 0)
1454 for (item = 0; item < analysis->numItems; item++)
1456 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled);
1465 /***********************************************************************
1466 * ScriptStringCPtoX (USP10.@)
1469 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
1473 StringAnalysis* analysis = ssa;
1475 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
1477 if (!ssa || !pX) return S_FALSE;
1478 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1480 /* icp out of range */
1483 analysis->invalid = TRUE;
1484 return E_INVALIDARG;
1487 for(item=0; item<analysis->numItems; item++)
1492 i = analysis->logical2visual[item];
1493 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1494 /* initialize max extents for uninitialized runs */
1495 if (analysis->glyphs[i].iMaxPosX == -1)
1497 if (analysis->pItem[i].a.fRTL)
1498 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1499 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1500 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1502 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1503 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1504 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1507 if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
1509 runningX += analysis->glyphs[i].iMaxPosX;
1513 icp -= analysis->pItem[i].iCharPos;
1514 ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1515 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1516 &analysis->pItem[i].a, &offset);
1523 /* icp out of range */
1524 analysis->invalid = TRUE;
1525 return E_INVALIDARG;
1528 /***********************************************************************
1529 * ScriptStringXtoCP (USP10.@)
1532 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
1534 StringAnalysis* analysis = ssa;
1537 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
1539 if (!ssa || !piCh || !piTrailing) return S_FALSE;
1540 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1545 if (analysis->pItem[0].a.fRTL)
1548 *piTrailing = FALSE;
1558 for(item=0; item<analysis->numItems; item++)
1563 for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
1566 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1567 /* initialize max extents for uninitialized runs */
1568 if (analysis->glyphs[i].iMaxPosX == -1)
1570 if (analysis->pItem[i].a.fRTL)
1571 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1572 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1573 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1575 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1576 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1577 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1580 if (iX > analysis->glyphs[i].iMaxPosX)
1582 iX -= analysis->glyphs[i].iMaxPosX;
1586 ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1587 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1588 &analysis->pItem[i].a, piCh, piTrailing);
1589 *piCh += analysis->pItem[i].iCharPos;
1595 *piCh = analysis->pItem[analysis->numItems].iCharPos;
1596 *piTrailing = FALSE;
1602 /***********************************************************************
1603 * ScriptStringFree (USP10.@)
1605 * Free a string analysis.
1608 * pssa [I] string analysis.
1612 * Failure: Non-zero HRESULT value.
1614 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
1616 StringAnalysis* analysis;
1620 TRACE("(%p)\n", pssa);
1622 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
1624 invalid = analysis->invalid;
1626 if (analysis->glyphs)
1628 for (i = 0; i < analysis->numItems; i++)
1630 heap_free(analysis->glyphs[i].glyphs);
1631 heap_free(analysis->glyphs[i].pwLogClust);
1632 heap_free(analysis->glyphs[i].piAdvance);
1633 heap_free(analysis->glyphs[i].psva);
1634 heap_free(analysis->glyphs[i].pGoffset);
1635 heap_free(analysis->glyphs[i].abc);
1636 if (analysis->glyphs[i].fallbackFont)
1637 DeleteObject(analysis->glyphs[i].fallbackFont);
1638 ScriptFreeCache((SCRIPT_CACHE *)&analysis->glyphs[i].sc);
1639 heap_free(analysis->glyphs[i].sc);
1641 heap_free(analysis->glyphs);
1644 heap_free(analysis->pItem);
1645 heap_free(analysis->logattrs);
1646 heap_free(analysis->sz);
1647 heap_free(analysis->logical2visual);
1648 heap_free(analysis);
1650 if (invalid) return E_INVALIDARG;
1654 static inline int get_cluster_size(const WORD *pwLogClust, int cChars, int item,
1655 int direction, int* iCluster, int *check_out)
1659 WORD clust = pwLogClust[item];
1661 for (check = item+direction; check < cChars && check >= 0; check+=direction)
1663 if (pwLogClust[check] == clust)
1666 if (iCluster && *iCluster == -1)
1678 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)
1681 int log_clust_max = 0;
1684 advance = piAdvance[glyph];
1686 for (i = 0; i < cChars; i++)
1688 if (pwLogClust[i] > log_clust_max)
1689 log_clust_max = pwLogClust[i];
1692 if (glyph > log_clust_max)
1695 for (glyph+=direction; glyph < cGlyphs && glyph >= 0; glyph +=direction)
1698 if (does_glyph_start_cluster(pva, pwLogClust, cChars, glyph, direction))
1700 if (glyph > log_clust_max)
1702 advance += piAdvance[glyph];
1708 /***********************************************************************
1709 * ScriptCPtoX (USP10.@)
1712 HRESULT WINAPI ScriptCPtoX(int iCP,
1716 const WORD *pwLogClust,
1717 const SCRIPT_VISATTR *psva,
1718 const int *piAdvance,
1719 const SCRIPT_ANALYSIS *psa,
1727 float special_size = 0.0;
1732 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
1733 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
1736 if (psa->fRTL && ! psa->fLogicalOrder)
1744 int max_clust = pwLogClust[0];
1746 for (item=0; item < cGlyphs; item++)
1747 if (pwLogClust[item] > max_clust)
1749 ERR("We do not handle non reversed clusters properly\n");
1754 for (item = max_clust; item >=0; item --)
1755 iMaxPos += piAdvance[item];
1759 for (item=0; item < iCP && item < cChars; item++)
1761 if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item)))
1764 int clust = pwLogClust[item];
1767 clust_size = get_cluster_size(pwLogClust, cChars, item, 1, &iCluster,
1770 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, 1);
1772 if (check >= cChars && !iMaxPos)
1774 for (check = clust; check < cChars; check++)
1775 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, 1);
1777 special_size /= (cChars - item);
1778 iPosX += special_size;
1782 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1785 if (clust_size == 0)
1789 iPosX += advance / (float)clust_size;
1792 else if (iSpecial != -1)
1793 iPosX += special_size;
1794 else /* (iCluster != -1) */
1796 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], 1);
1797 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1800 if (clust_size == 0)
1804 iPosX += adv / (float)clust_size;
1810 iPosX = iMaxPos - iPosX;
1816 TRACE("*piX=%d\n", *piX);
1820 /***********************************************************************
1821 * ScriptXtoCP (USP10.@)
1824 HRESULT WINAPI ScriptXtoCP(int iX,
1827 const WORD *pwLogClust,
1828 const SCRIPT_VISATTR *psva,
1829 const int *piAdvance,
1830 const SCRIPT_ANALYSIS *psa,
1842 float special_size = 0.0;
1845 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
1846 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
1847 psa, piCP, piTrailing);
1849 if (psa->fRTL && ! psa->fLogicalOrder)
1854 int max_clust = pwLogClust[0];
1863 for (item=0; item < cChars; item++)
1864 if (pwLogClust[item] > max_clust)
1866 ERR("We do not handle non reversed clusters properly\n");
1878 iPosX = iLastPosX = 0;
1883 for (; iPosX <= iX && item < cChars && item >= 0; item+=direction)
1886 if (iSpecial == -1 &&
1889 ((direction > 0 && iCluster+clust_size <= item) ||
1890 (direction < 0 && iCluster-clust_size >= item))
1896 int clust = pwLogClust[item];
1900 clust_size = get_cluster_size(pwLogClust, cChars, item, direction,
1902 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, direction);
1904 if (check >= cChars && direction > 0)
1906 for (check = clust; check < cChars; check++)
1907 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, direction);
1909 special_size /= (cChars - item);
1910 iPosX += special_size;
1914 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1921 iPosX += advance / (float)clust_size;
1924 else if (iSpecial != -1)
1925 iPosX += special_size;
1926 else /* (iCluster != -1) */
1928 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], direction);
1929 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1936 iPosX += adv / (float)clust_size;
1944 if (item < cChars && ((iPosX - iLastPosX) / 2.0) + iX >= iPosX)
1946 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
1947 item+=(clust_size-1);
1955 if (iX == iLastPosX)
1957 if (iX >= iLastPosX && iX <= iPosX)
1960 if (iLastPosX == iX)
1962 else if (item < 0 || ((iLastPosX - iPosX) / 2.0) + iX <= iLastPosX)
1964 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
1965 item-=(clust_size-1);
1974 TRACE("*piCP=%d\n", *piCP);
1975 TRACE("*piTrailing=%d\n", *piTrailing);
1979 /***********************************************************************
1980 * ScriptBreak (USP10.@)
1982 * Retrieve line break information.
1985 * chars [I] Array of characters.
1986 * sa [I] String analysis.
1987 * la [I] Array of logical attribute structures.
1993 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
1995 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
1997 if (!la) return S_FALSE;
1999 BREAK_line(chars, count, sa, la);
2004 /***********************************************************************
2005 * ScriptIsComplex (USP10.@)
2007 * Determine if a string is complex.
2010 * chars [I] Array of characters to test.
2011 * len [I] Length in characters.
2019 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
2023 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
2025 for (i = 0; i < len; i++)
2029 if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39)
2032 script = get_char_script(chars[i]);
2033 if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))||
2034 (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL)))
2040 /***********************************************************************
2041 * ScriptShapeOpenType (USP10.@)
2043 * Produce glyphs and visual attributes for a run.
2046 * hdc [I] Device context.
2047 * psc [I/O] Opaque pointer to a script cache.
2048 * psa [I/O] Script analysis.
2049 * tagScript [I] The OpenType tag for the Script
2050 * tagLangSys [I] The OpenType tag for the Language
2051 * rcRangeChars[I] Array of Character counts in each range
2052 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2053 * cRanges [I] Count of ranges
2054 * pwcChars [I] Array of characters specifying the run.
2055 * cChars [I] Number of characters in pwcChars.
2056 * cMaxGlyphs [I] Length of pwOutGlyphs.
2057 * pwLogClust [O] Array of logical cluster info.
2058 * pCharProps [O] Array of character property values
2059 * pwOutGlyphs [O] Array of glyphs.
2060 * pOutGlyphProps [O] Array of attributes for the retrieved glyphs
2061 * pcGlyphs [O] Number of glyphs returned.
2065 * Failure: Non-zero HRESULT value.
2067 HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc,
2068 SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
2069 OPENTYPE_TAG tagLangSys, int *rcRangeChars,
2070 TEXTRANGE_PROPERTIES **rpRangeProperties,
2071 int cRanges, const WCHAR *pwcChars, int cChars,
2072 int cMaxGlyphs, WORD *pwLogClust,
2073 SCRIPT_CHARPROP *pCharProps, WORD *pwOutGlyphs,
2074 SCRIPT_GLYPHPROP *pOutGlyphProps, int *pcGlyphs)
2080 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %d, %d, %p, %p, %p, %p, %p )\n",
2082 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2083 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2084 cChars, cMaxGlyphs, pwLogClust, pCharProps, pwOutGlyphs, pOutGlyphProps, pcGlyphs);
2086 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
2087 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
2089 if (!pOutGlyphProps || !pcGlyphs || !pCharProps) return E_INVALIDARG;
2090 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2093 FIXME("Ranges not supported yet\n");
2095 rtl = (psa && !psa->fLogicalOrder && psa->fRTL);
2098 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2099 if (!pwLogClust) return E_FAIL;
2101 ((ScriptCache *)*psc)->userScript = tagScript;
2102 ((ScriptCache *)*psc)->userLang = tagLangSys;
2104 /* set fNoGlyphIndex non truetype/opentype fonts */
2105 if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
2106 psa->fNoGlyphIndex = TRUE;
2108 /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
2109 for (i = 0; i < cChars; i++)
2112 if (rtl) idx = cChars - 1 - i;
2113 /* FIXME: set to better values */
2114 pOutGlyphProps[i].sva.uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER;
2115 pOutGlyphProps[i].sva.fClusterStart = 1;
2116 pOutGlyphProps[i].sva.fDiacritic = 0;
2117 pOutGlyphProps[i].sva.fZeroWidth = 0;
2118 pOutGlyphProps[i].sva.fReserved = 0;
2119 pOutGlyphProps[i].sva.fShapeReserved = 0;
2121 /* FIXME: have the shaping engine set this */
2122 pCharProps[i].fCanGlyphAlone = 0;
2124 pwLogClust[i] = idx;
2127 if (psa && !psa->fNoGlyphIndex)
2130 if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr;
2132 rChars = heap_alloc(sizeof(WCHAR) * cChars);
2133 if (!rChars) return E_OUTOFMEMORY;
2134 for (i = 0; i < cChars; i++)
2138 if (rtl) idx = cChars - 1 - i;
2140 chInput = mirror_char(pwcChars[idx]);
2142 chInput = pwcChars[idx];
2143 /* special case for tabs */
2144 if (chInput == 0x0009)
2146 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput)))
2149 if (!hdc) return E_PENDING;
2150 if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR) return S_FALSE;
2151 pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph);
2153 rChars[i] = chInput;
2156 SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
2157 SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust);
2158 SHAPE_CharGlyphProp(hdc, (ScriptCache *)*psc, psa, pwcChars, cChars, pwOutGlyphs, *pcGlyphs, pwLogClust, pCharProps, pOutGlyphProps);
2163 TRACE("no glyph translation\n");
2164 for (i = 0; i < cChars; i++)
2167 /* No mirroring done here */
2168 if (rtl) idx = cChars - 1 - i;
2169 pwOutGlyphs[i] = pwcChars[idx];
2177 /***********************************************************************
2178 * ScriptShape (USP10.@)
2180 * Produce glyphs and visual attributes for a run.
2183 * hdc [I] Device context.
2184 * psc [I/O] Opaque pointer to a script cache.
2185 * pwcChars [I] Array of characters specifying the run.
2186 * cChars [I] Number of characters in pwcChars.
2187 * cMaxGlyphs [I] Length of pwOutGlyphs.
2188 * psa [I/O] Script analysis.
2189 * pwOutGlyphs [O] Array of glyphs.
2190 * pwLogClust [O] Array of logical cluster info.
2191 * psva [O] Array of visual attributes.
2192 * pcGlyphs [O] Number of glyphs returned.
2196 * Failure: Non-zero HRESULT value.
2198 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
2199 int cChars, int cMaxGlyphs,
2200 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
2201 SCRIPT_VISATTR *psva, int *pcGlyphs)
2205 SCRIPT_CHARPROP *charProps;
2206 SCRIPT_GLYPHPROP *glyphProps;
2208 if (!psva || !pcGlyphs) return E_INVALIDARG;
2209 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2211 charProps = heap_alloc_zero(sizeof(SCRIPT_CHARPROP)*cChars);
2212 if (!charProps) return E_OUTOFMEMORY;
2213 glyphProps = heap_alloc_zero(sizeof(SCRIPT_GLYPHPROP)*cMaxGlyphs);
2214 if (!glyphProps) return E_OUTOFMEMORY;
2216 hr = ScriptShapeOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, pwcChars, cChars, cMaxGlyphs, pwLogClust, charProps, pwOutGlyphs, glyphProps, pcGlyphs);
2220 for (i = 0; i < *pcGlyphs; i++)
2221 psva[i] = glyphProps[i].sva;
2224 heap_free(charProps);
2225 heap_free(glyphProps);
2230 /***********************************************************************
2231 * ScriptPlaceOpenType (USP10.@)
2233 * Produce advance widths for a run.
2236 * hdc [I] Device context.
2237 * psc [I/O] Opaque pointer to a script cache.
2238 * psa [I/O] String analysis.
2239 * tagScript [I] The OpenType tag for the Script
2240 * tagLangSys [I] The OpenType tag for the Language
2241 * rcRangeChars[I] Array of Character counts in each range
2242 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2243 * cRanges [I] Count of ranges
2244 * pwcChars [I] Array of characters specifying the run.
2245 * pwLogClust [I] Array of logical cluster info
2246 * pCharProps [I] Array of character property values
2247 * cChars [I] Number of characters in pwcChars.
2248 * pwGlyphs [I] Array of glyphs.
2249 * pGlyphProps [I] Array of attributes for the retrieved glyphs
2250 * cGlyphs [I] Count of Glyphs
2251 * piAdvance [O] Array of advance widths.
2252 * pGoffset [O] Glyph offsets.
2253 * pABC [O] Combined ABC width.
2257 * Failure: Non-zero HRESULT value.
2260 HRESULT WINAPI ScriptPlaceOpenType( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
2261 OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys,
2262 int *rcRangeChars, TEXTRANGE_PROPERTIES **rpRangeProperties,
2263 int cRanges, const WCHAR *pwcChars, WORD *pwLogClust,
2264 SCRIPT_CHARPROP *pCharProps, int cChars,
2265 const WORD *pwGlyphs, const SCRIPT_GLYPHPROP *pGlyphProps,
2266 int cGlyphs, int *piAdvance,
2267 GOFFSET *pGoffset, ABC *pABC
2273 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %p, %p, %d, %p, %p, %d, %p %p %p)\n",
2275 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2276 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2277 pwLogClust, pCharProps, cChars, pwGlyphs, pGlyphProps, cGlyphs, piAdvance,
2280 if (!pGlyphProps) return E_INVALIDARG;
2281 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2282 if (!pGoffset) return E_FAIL;
2285 FIXME("Ranges not supported yet\n");
2287 ((ScriptCache *)*psc)->userScript = tagScript;
2288 ((ScriptCache *)*psc)->userLang = tagLangSys;
2290 if (pABC) memset(pABC, 0, sizeof(ABC));
2291 for (i = 0; i < cGlyphs; i++)
2294 if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
2296 if (!hdc) return E_PENDING;
2297 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
2299 if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
2304 if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
2306 abc.abcA = abc.abcC = 0;
2308 set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
2312 pABC->abcA += abc.abcA;
2313 pABC->abcB += abc.abcB;
2314 pABC->abcC += abc.abcC;
2316 /* FIXME: set to more reasonable values */
2317 pGoffset[i].du = pGoffset[i].dv = 0;
2318 if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC;
2321 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
2325 /***********************************************************************
2326 * ScriptPlace (USP10.@)
2328 * Produce advance widths for a run.
2331 * hdc [I] Device context.
2332 * psc [I/O] Opaque pointer to a script cache.
2333 * pwGlyphs [I] Array of glyphs.
2334 * cGlyphs [I] Number of glyphs in pwGlyphs.
2335 * psva [I] Array of visual attributes.
2336 * psa [I/O] String analysis.
2337 * piAdvance [O] Array of advance widths.
2338 * pGoffset [O] Glyph offsets.
2339 * pABC [O] Combined ABC width.
2343 * Failure: Non-zero HRESULT value.
2345 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
2346 int cGlyphs, const SCRIPT_VISATTR *psva,
2347 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
2350 SCRIPT_GLYPHPROP *glyphProps;
2353 TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
2354 piAdvance, pGoffset, pABC);
2356 if (!psva) return E_INVALIDARG;
2357 if (!pGoffset) return E_FAIL;
2359 glyphProps = heap_alloc(sizeof(SCRIPT_GLYPHPROP)*cGlyphs);
2360 if (!glyphProps) return E_OUTOFMEMORY;
2362 for (i = 0; i < cGlyphs; i++)
2363 glyphProps[i].sva = psva[i];
2365 hr = ScriptPlaceOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, NULL, NULL, NULL, 0, pwGlyphs, glyphProps, cGlyphs, piAdvance, pGoffset, pABC);
2367 heap_free(glyphProps);
2372 /***********************************************************************
2373 * ScriptGetCMap (USP10.@)
2375 * Retrieve glyph indices.
2378 * hdc [I] Device context.
2379 * psc [I/O] Opaque pointer to a script cache.
2380 * pwcInChars [I] Array of Unicode characters.
2381 * cChars [I] Number of characters in pwcInChars.
2382 * dwFlags [I] Flags.
2383 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
2387 * Failure: Non-zero HRESULT value.
2389 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
2390 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
2395 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
2396 cChars, dwFlags, pwOutGlyphs);
2398 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2402 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2404 for (i = 0; i < cChars; i++)
2407 if (dwFlags == SGCM_RTL)
2408 inChar = mirror_char(pwcInChars[i]);
2410 inChar = pwcInChars[i];
2411 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar)))
2414 if (!hdc) return E_PENDING;
2415 if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
2416 if (glyph == 0xffff)
2421 pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph);
2427 TRACE("no glyph translation\n");
2428 for (i = 0; i < cChars; i++)
2431 if (dwFlags == SGCM_RTL)
2432 inChar = mirror_char(pwcInChars[i]);
2434 inChar = pwcInChars[i];
2435 pwOutGlyphs[i] = inChar;
2441 /***********************************************************************
2442 * ScriptTextOut (USP10.@)
2445 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
2446 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
2447 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
2448 const int *piJustify, const GOFFSET *pGoffset)
2452 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
2453 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
2454 piAdvance, piJustify, pGoffset);
2456 if (!hdc || !psc) return E_INVALIDARG;
2457 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
2459 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
2460 fuOptions |= ETO_IGNORELANGUAGE;
2461 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
2462 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
2464 if (psa->fRTL && psa->fLogicalOrder)
2469 rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD));
2471 return E_OUTOFMEMORY;
2473 for (i = 0; i < cGlyphs; i++)
2474 rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i];
2476 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL))
2478 heap_free(rtlGlyphs);
2481 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
2487 /***********************************************************************
2488 * ScriptCacheGetHeight (USP10.@)
2490 * Retrieve the height of the font in the cache.
2493 * hdc [I] Device context.
2494 * psc [I/O] Opaque pointer to a script cache.
2495 * height [O] Receives font height.
2499 * Failure: Non-zero HRESULT value.
2501 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
2505 TRACE("(%p, %p, %p)\n", hdc, psc, height);
2507 if (!height) return E_INVALIDARG;
2508 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2510 *height = get_cache_height(psc);
2514 /***********************************************************************
2515 * ScriptGetGlyphABCWidth (USP10.@)
2517 * Retrieve the width of a glyph.
2520 * hdc [I] Device context.
2521 * psc [I/O] Opaque pointer to a script cache.
2522 * glyph [I] Glyph to retrieve the width for.
2523 * abc [O] ABC widths of the glyph.
2527 * Failure: Non-zero HRESULT value.
2529 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
2533 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
2535 if (!abc) return E_INVALIDARG;
2536 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2538 if (!get_cache_glyph_widths(psc, glyph, abc))
2540 if (!hdc) return E_PENDING;
2541 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2543 if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
2548 if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
2550 abc->abcA = abc->abcC = 0;
2552 set_cache_glyph_widths(psc, glyph, abc);
2557 /***********************************************************************
2558 * ScriptLayout (USP10.@)
2560 * Map embedding levels to visual and/or logical order.
2563 * runs [I] Size of level array.
2564 * level [I] Array of embedding levels.
2565 * vistolog [O] Map of embedding levels from visual to logical order.
2566 * logtovis [O] Map of embedding levels from logical to visual order.
2570 * Failure: Non-zero HRESULT value.
2573 * This stub works correctly for any sequence of a single
2574 * embedding level but not for sequences of different
2575 * embedding levels, i.e. mixtures of RTL and LTR scripts.
2577 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
2582 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
2584 if (!level || (!vistolog && !logtovis))
2585 return E_INVALIDARG;
2587 indexs = heap_alloc(sizeof(int) * runs);
2589 return E_OUTOFMEMORY;
2594 for( ich = 0; ich < runs; ich++)
2599 ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
2600 for (ich = 0; ich < runs; ich++)
2601 vistolog[ich] = indexs[ich];
2607 for( ich = 0; ich < runs; ich++)
2612 ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
2613 for (ich = 0; ich < runs; ich++)
2614 logtovis[ich] = indexs[ich];
2621 /***********************************************************************
2622 * ScriptStringGetLogicalWidths (USP10.@)
2624 * Returns logical widths from a string analysis.
2627 * ssa [I] string analysis.
2628 * piDx [O] logical widths returned.
2632 * Failure: a non-zero HRESULT.
2634 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
2637 StringAnalysis *analysis = ssa;
2639 TRACE("%p, %p\n", ssa, piDx);
2641 if (!analysis) return S_FALSE;
2642 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2644 for (i = 0; i < analysis->numItems; i++)
2646 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2649 if (analysis->pItem[i].a.fRTL && ! analysis->pItem[i].a.fLogicalOrder)
2652 for (j = 0; j < cChar; j++)
2655 int glyph = analysis->glyphs[i].pwLogClust[j];
2656 int clust_size = get_cluster_size(analysis->glyphs[i].pwLogClust,
2657 cChar, j, direction, NULL, NULL);
2658 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);
2660 for (k = 0; k < clust_size; k++)
2662 piDx[next] = advance / clust_size;
2671 /***********************************************************************
2672 * ScriptStringValidate (USP10.@)
2674 * Validate a string analysis.
2677 * ssa [I] string analysis.
2681 * Failure: S_FALSE if invalid sequences are found
2682 * or a non-zero HRESULT if it fails.
2684 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
2686 StringAnalysis *analysis = ssa;
2688 TRACE("(%p)\n", ssa);
2690 if (!analysis) return E_INVALIDARG;
2691 return (analysis->invalid) ? S_FALSE : S_OK;
2694 /***********************************************************************
2695 * ScriptString_pSize (USP10.@)
2697 * Retrieve width and height of an analysed string.
2700 * ssa [I] string analysis.
2703 * Success: Pointer to a SIZE structure.
2706 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
2709 StringAnalysis *analysis = ssa;
2711 TRACE("(%p)\n", ssa);
2713 if (!analysis) return NULL;
2714 if (!(analysis->dwFlags & SSA_GLYPHS)) return NULL;
2718 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
2719 analysis->sz->cy = analysis->glyphs[0].sc->tm.tmHeight;
2721 analysis->sz->cx = 0;
2722 for (i = 0; i < analysis->numItems; i++)
2724 if (analysis->glyphs[i].sc->tm.tmHeight > analysis->sz->cy)
2725 analysis->sz->cy = analysis->glyphs[i].sc->tm.tmHeight;
2726 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
2727 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
2730 return analysis->sz;
2733 /***********************************************************************
2734 * ScriptString_pLogAttr (USP10.@)
2736 * Retrieve logical attributes of an analysed string.
2739 * ssa [I] string analysis.
2742 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
2745 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
2747 StringAnalysis *analysis = ssa;
2749 TRACE("(%p)\n", ssa);
2751 if (!analysis) return NULL;
2752 if (!(analysis->dwFlags & SSA_BREAK)) return NULL;
2753 return analysis->logattrs;
2756 /***********************************************************************
2757 * ScriptString_pcOutChars (USP10.@)
2759 * Retrieve the length of a string after clipping.
2762 * ssa [I] String analysis.
2765 * Success: Pointer to the length.
2768 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
2770 StringAnalysis *analysis = ssa;
2772 TRACE("(%p)\n", ssa);
2774 if (!analysis) return NULL;
2775 return &analysis->clip_len;
2778 /***********************************************************************
2779 * ScriptStringGetOrder (USP10.@)
2781 * Retrieve a glyph order map.
2784 * ssa [I] String analysis.
2785 * order [I/O] Array of glyph positions.
2789 * Failure: a non-zero HRESULT.
2791 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
2795 StringAnalysis *analysis = ssa;
2797 TRACE("(%p)\n", ssa);
2799 if (!analysis) return S_FALSE;
2800 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2802 /* FIXME: handle RTL scripts */
2803 for (i = 0, k = 0; i < analysis->numItems; i++)
2804 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
2810 /***********************************************************************
2811 * ScriptGetLogicalWidths (USP10.@)
2813 * Convert advance widths to logical widths.
2816 * sa [I] Script analysis.
2817 * nbchars [I] Number of characters.
2818 * nbglyphs [I] Number of glyphs.
2819 * glyph_width [I] Array of glyph widths.
2820 * log_clust [I] Array of logical clusters.
2821 * sva [I] Visual attributes.
2822 * widths [O] Array of logical widths.
2826 * Failure: a non-zero HRESULT.
2828 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
2829 const int *glyph_width, const WORD *log_clust,
2830 const SCRIPT_VISATTR *sva, int *widths)
2834 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
2835 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
2838 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
2842 /***********************************************************************
2843 * ScriptApplyLogicalWidth (USP10.@)
2845 * Generate glyph advance widths.
2848 * dx [I] Array of logical advance widths.
2849 * num_chars [I] Number of characters.
2850 * num_glyphs [I] Number of glyphs.
2851 * log_clust [I] Array of logical clusters.
2852 * sva [I] Visual attributes.
2853 * advance [I] Array of glyph advance widths.
2854 * sa [I] Script analysis.
2855 * abc [I/O] Summed ABC widths.
2856 * justify [O] Array of glyph advance widths.
2860 * Failure: a non-zero HRESULT.
2862 HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs,
2863 const WORD *log_clust, const SCRIPT_VISATTR *sva,
2864 const int *advance, const SCRIPT_ANALYSIS *sa,
2865 ABC *abc, int *justify)
2869 FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n",
2870 dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify);
2872 for (i = 0; i < num_chars; i++) justify[i] = advance[i];
2876 HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance,
2877 int num_glyphs, int dx, int min_kashida, int *justify)
2881 FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify);
2883 for (i = 0; i < num_glyphs; i++) justify[i] = advance[i];