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 /* These chars are itemized as Punctuation by Windows */
498 if (ch == 0x2212 || ch == 0x2044 || ch == 0x00a0)
499 return Script_Punctuation;
501 GetStringTypeW(CT_CTYPE1, &ch, 1, &type);
504 return SCRIPT_UNDEFINED;
507 return Script_Control;
512 if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
515 if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
517 if (scriptRanges[i].numericScript && type & C1_DIGIT)
518 return scriptRanges[i].numericScript;
519 if (scriptRanges[i].punctScript && type & C1_PUNCT)
520 return scriptRanges[i].punctScript;
521 return scriptRanges[i].script;
526 return SCRIPT_UNDEFINED;
529 /***********************************************************************
533 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
537 case DLL_PROCESS_ATTACH:
538 DisableThreadLibraryCalls(hInstDLL);
540 case DLL_PROCESS_DETACH:
546 /***********************************************************************
547 * ScriptFreeCache (USP10.@)
549 * Free a script cache.
552 * psc [I/O] Script cache.
556 * Failure: Non-zero HRESULT value.
558 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
565 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
567 heap_free(((ScriptCache *)*psc)->glyphs[i]);
568 heap_free(((ScriptCache *)*psc)->widths[i]);
570 heap_free(((ScriptCache *)*psc)->GSUB_Table);
571 heap_free(((ScriptCache *)*psc)->GDEF_Table);
572 heap_free(((ScriptCache *)*psc)->features);
579 /***********************************************************************
580 * ScriptGetProperties (USP10.@)
582 * Retrieve a list of script properties.
585 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
586 * num [I] Pointer to the number of scripts.
590 * Failure: Non-zero HRESULT value.
593 * Behaviour matches WinXP.
595 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
597 TRACE("(%p,%p)\n", props, num);
599 if (!props && !num) return E_INVALIDARG;
601 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
602 if (props) *props = script_props;
607 /***********************************************************************
608 * ScriptGetFontProperties (USP10.@)
610 * Get information on special glyphs.
613 * hdc [I] Device context.
614 * psc [I/O] Opaque pointer to a script cache.
615 * sfp [O] Font properties structure.
617 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
621 TRACE("%p,%p,%p\n", hdc, psc, sfp);
623 if (!sfp) return E_INVALIDARG;
624 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
626 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
629 /* return something sensible? */
631 sfp->wgDefault = get_cache_default_char(psc);
633 sfp->wgKashida = 0xffff;
634 sfp->iKashidaWidth = 0;
639 /***********************************************************************
640 * ScriptRecordDigitSubstitution (USP10.@)
642 * Record digit substitution settings for a given locale.
645 * locale [I] Locale identifier.
646 * sds [I] Structure to record substitution settings.
650 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
653 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
655 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
659 TRACE("0x%x, %p\n", locale, sds);
661 /* This implementation appears to be correct for all languages, but it's
662 * not clear if sds->DigitSubstitute is ever set to anything except
663 * CONTEXT or NONE in reality */
665 if (!sds) return E_POINTER;
667 locale = ConvertDefaultLocale(locale);
669 if (!IsValidLocale(locale, LCID_INSTALLED))
672 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
673 sds->TraditionalDigitLanguage = plgid;
675 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
676 sds->NationalDigitLanguage = plgid;
678 sds->NationalDigitLanguage = LANG_ENGLISH;
680 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
681 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
686 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
687 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
689 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
692 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
695 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
698 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
706 /***********************************************************************
707 * ScriptApplyDigitSubstitution (USP10.@)
709 * Apply digit substitution settings.
712 * sds [I] Structure with recorded substitution settings.
713 * sc [I] Script control structure.
714 * ss [I] Script state structure.
718 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
720 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
721 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
723 SCRIPT_DIGITSUBSTITUTE psds;
725 TRACE("%p, %p, %p\n", sds, sc, ss);
727 if (!sc || !ss) return E_POINTER;
731 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
735 sc->uDefaultLanguage = LANG_ENGLISH;
736 sc->fContextDigits = 0;
737 ss->fDigitSubstitute = 0;
739 switch (sds->DigitSubstitute) {
740 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
741 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
742 case SCRIPT_DIGITSUBSTITUTE_NONE:
743 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
750 /***********************************************************************
751 * ScriptItemizeOpenType (USP10.@)
753 * Split a Unicode string into shapeable parts.
756 * pwcInChars [I] String to split.
757 * cInChars [I] Number of characters in pwcInChars.
758 * cMaxItems [I] Maximum number of items to return.
759 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
760 * psState [I] Pointer to a SCRIPT_STATE structure.
761 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
762 * pScriptTags [O] Buffer to receive OPENTYPE_TAGs.
763 * pcItems [O] Number of script items returned.
767 * Failure: Non-zero HRESULT value.
769 HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
770 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
771 SCRIPT_ITEM *pItems, OPENTYPE_TAG *pScriptTags, int *pcItems)
774 #define Numeric_space 0x0020
778 int cnt = 0, index = 0, str = 0;
781 WORD *strength = NULL;
784 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
785 psControl, psState, pItems, pcItems);
787 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
790 if (psState && psControl)
793 levels = heap_alloc_zero(cInChars * sizeof(WORD));
795 return E_OUTOFMEMORY;
797 BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels);
798 baselevel = levels[0];
799 for (i = 0; i < cInChars; i++)
800 if (levels[i]!=levels[0])
802 if (i >= cInChars && !odd(baselevel))
809 BOOL inNumber = FALSE;
810 static WCHAR math_punc[] = {'#','$','%','+',',','-','.','/',':',0x2212, 0x2044, 0x00a0,0};
812 strength = heap_alloc_zero(cInChars * sizeof(WORD));
816 return E_OUTOFMEMORY;
818 BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
820 /* Script_Numeric and select puncuation at level 0 get bumped to level 2 */
821 for (i = 0; i < cInChars; i++)
823 if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && inNumber && strchrW(math_punc,pwcInChars[i]))
825 else if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && get_char_script(pwcInChars[i]) == Script_Numeric)
833 if (psControl->fMergeNeutralItems)
835 HeapFree(GetProcessHeap(),0,strength);
841 while ((!levels || (levels && levels[cnt+1] == levels[0])) && (pwcInChars[cnt] == Numeric_space || pwcInChars[cnt] == ZWJ || pwcInChars[cnt] == ZWNJ) && cnt < cInChars)
844 if (cnt == cInChars) /* All Spaces */
847 New_Script = get_char_script(pwcInChars[cnt]);
850 pItems[index].iCharPos = 0;
851 pItems[index].a = scriptInformation[get_char_script(pwcInChars[cnt])].a;
852 pScriptTags[index] = scriptInformation[get_char_script(pwcInChars[cnt])].scriptTag;
860 pItems[index].a.fRTL = odd(levels[cnt]);
861 pItems[index].a.fLayoutRTL = odd(levels[cnt]);
862 pItems[index].a.s.uBidiLevel = levels[cnt];
864 else if (!pItems[index].a.s.uBidiLevel)
866 pItems[index].a.s.uBidiLevel = baselevel;
867 pItems[index].a.fLayoutRTL = odd(baselevel);
868 pItems[index].a.fRTL = odd(baselevel);
871 TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n",
872 levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt,
873 pItems[index].iCharPos);
875 for (cnt=1; cnt < cInChars; cnt++)
877 if (levels && (levels[cnt] == pItems[index].a.s.uBidiLevel && (!strength || (strength[cnt] == 0 || strength[cnt] == str))))
880 if(pwcInChars[cnt] != Numeric_space && pwcInChars[cnt] != ZWJ && pwcInChars[cnt] != ZWNJ)
881 New_Script = get_char_script(pwcInChars[cnt]);
885 while (cnt + j < cInChars - 1 && (pwcInChars[cnt+j] == Numeric_space || pwcInChars[cnt+j] == ZWJ || pwcInChars[cnt+j] == ZWNJ) && levels[cnt] == levels[cnt+j])
887 if (cnt + j < cInChars && levels[cnt] == levels[cnt+j])
888 New_Script = get_char_script(pwcInChars[cnt+j]);
890 New_Script = get_char_script(pwcInChars[cnt]);
893 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)
895 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);
897 if (strength && strength[cnt] != 0)
901 if (index+1 > cMaxItems)
902 return E_OUTOFMEMORY;
904 pItems[index].iCharPos = cnt;
905 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
907 pItems[index].a = scriptInformation[New_Script].a;
908 pScriptTags[index] = scriptInformation[New_Script].scriptTag;
911 pItems[index].a.fRTL = odd(levels[cnt]);
912 pItems[index].a.fLayoutRTL = odd(levels[cnt]);
913 pItems[index].a.s.uBidiLevel = levels[cnt];
915 else if (!pItems[index].a.s.uBidiLevel)
917 pItems[index].a.s.uBidiLevel = baselevel;
918 pItems[index].a.fLayoutRTL = odd(baselevel);
919 pItems[index].a.fRTL = odd(baselevel);
922 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
926 /* While not strictly necessary according to the spec, make sure the n+1
927 * item is set up to prevent random behaviour if the caller erroneously
928 * checks the n+1 structure */
930 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
932 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
934 /* Set one SCRIPT_STATE item being returned */
935 if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
936 if (pcItems) *pcItems = index;
938 /* Set SCRIPT_ITEM */
939 pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
945 /***********************************************************************
946 * ScriptItemize (USP10.@)
948 * Split a Unicode string into shapeable parts.
951 * pwcInChars [I] String to split.
952 * cInChars [I] Number of characters in pwcInChars.
953 * cMaxItems [I] Maximum number of items to return.
954 * psControl [I] Pointer to a SCRIPT_CONTROL structure.
955 * psState [I] Pointer to a SCRIPT_STATE structure.
956 * pItems [O] Buffer to receive SCRIPT_ITEM structures.
957 * pcItems [O] Number of script items returned.
961 * Failure: Non-zero HRESULT value.
963 HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems,
964 const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState,
965 SCRIPT_ITEM *pItems, int *pcItems)
967 OPENTYPE_TAG *discarded_tags;
970 discarded_tags = heap_alloc(cMaxItems * sizeof(OPENTYPE_TAG));
972 return E_OUTOFMEMORY;
973 res = ScriptItemizeOpenType(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, discarded_tags, pcItems);
974 heap_free(discarded_tags);
978 static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x)
982 INT *lpTabPos = NULL;
987 lpTabPos = pTabdef->pTabStops;
989 if (pTabdef && pTabdef->iTabOrigin)
992 nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4;
994 nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth;
998 cTabStops = pTabdef->cTabStops;
1002 if (pTabdef->iScale)
1003 defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4;
1005 defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth;
1009 defWidth = 8 * psc->tm.tmAveCharWidth;
1011 for (; cTabStops>0 ; lpTabPos++, cTabStops--)
1013 int position = *lpTabPos;
1015 position = -1 * position;
1016 if (pTabdef->iScale)
1017 position = (position * pTabdef->iScale) / 4;
1019 position = position * psc->tm.tmAveCharWidth;
1021 if( nTabOrg + position > current_x)
1025 /* a left aligned tab */
1026 x = (nTabOrg + *lpTabPos) - current_x;
1031 FIXME("Negative tabstop\n");
1036 if ((!cTabStops) && (defWidth > 0))
1037 x =((((current_x - nTabOrg) / defWidth)+1) * defWidth) - current_x;
1038 else if ((!cTabStops) && (defWidth < 0))
1039 FIXME("TODO: Negative defWidth\n");
1044 /***********************************************************************
1045 * Helper function for ScriptStringAnalyse
1047 static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
1048 const WCHAR *pwcInChars, int cChars )
1050 /* FIXME: When to properly fallback is still a bit of a mystery */
1053 if (psa->fNoGlyphIndex)
1056 if (init_script_cache(hdc, psc) != S_OK)
1059 if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK)
1062 glyphs = heap_alloc(sizeof(WORD) * cChars);
1065 if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK)
1075 static void find_fallback_font(DWORD scriptid, LPWSTR FaceName)
1079 if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey))
1081 static const WCHAR szFmt[] = {'%','x',0};
1083 DWORD count = LF_FACESIZE * sizeof(WCHAR);
1086 sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag);
1087 if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count))
1088 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1092 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1095 /***********************************************************************
1096 * ScriptStringAnalyse (USP10.@)
1099 HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
1100 int cGlyphs, int iCharset, DWORD dwFlags,
1101 int iReqWidth, SCRIPT_CONTROL *psControl,
1102 SCRIPT_STATE *psState, const int *piDx,
1103 SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass,
1104 SCRIPT_STRING_ANALYSIS *pssa)
1106 HRESULT hr = E_OUTOFMEMORY;
1107 StringAnalysis *analysis = NULL;
1108 SCRIPT_CONTROL sControl;
1109 SCRIPT_STATE sState;
1110 int i, num_items = 255;
1112 WCHAR *iString = NULL;
1114 TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
1115 hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
1116 psControl, psState, piDx, pTabdef, pbInClass, pssa);
1120 FIXME("Only Unicode strings are supported\n");
1121 return E_INVALIDARG;
1123 if (cString < 1 || !pString) return E_INVALIDARG;
1124 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
1126 if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY;
1127 if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error;
1129 /* FIXME: handle clipping */
1130 analysis->clip_len = cString;
1131 analysis->hdc = hdc;
1132 analysis->dwFlags = dwFlags;
1137 memset(&sState, 0, sizeof(SCRIPT_STATE));
1140 sControl = *psControl;
1142 memset(&sControl, 0, sizeof(SCRIPT_CONTROL));
1144 if (dwFlags & SSA_PASSWORD)
1146 iString = heap_alloc(sizeof(WCHAR)*cString);
1152 for (i = 0; i < cString; i++)
1153 iString[i] = *((const WCHAR *)pString);
1157 hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem,
1158 &analysis->numItems);
1160 while (hr == E_OUTOFMEMORY)
1165 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
1168 analysis->pItem = tmp;
1169 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
1170 &analysis->numItems);
1172 if (hr != S_OK) goto error;
1174 /* set back to out of memory for default goto error behaviour */
1177 if (dwFlags & SSA_BREAK)
1179 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
1181 for (i = 0; i < analysis->numItems; i++)
1182 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]);
1188 if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
1190 if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
1193 if (dwFlags & SSA_GLYPHS)
1196 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
1199 for (i = 0; i < analysis->numItems; i++)
1201 SCRIPT_CACHE *sc = (SCRIPT_CACHE*)&analysis->glyphs[i].sc;
1202 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1203 int numGlyphs = 1.5 * cChar + 16;
1204 WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs);
1205 WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar);
1206 int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs);
1207 SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * numGlyphs);
1208 GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs);
1209 ABC *abc = heap_alloc_zero(sizeof(ABC));
1210 int numGlyphsReturned;
1211 HFONT originalFont = 0x0;
1213 /* FIXME: non unicode strings */
1214 const WCHAR* pStr = (const WCHAR*)pString;
1215 analysis->glyphs[i].fallbackFont = NULL;
1217 if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc)
1220 heap_free (pwLogClust);
1221 heap_free (piAdvance);
1223 heap_free (pGoffset);
1229 if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar))
1232 GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), & lf);
1233 lf.lfCharSet = scriptInformation[analysis->pItem[i].a.eScript].props.bCharSet;
1234 find_fallback_font(analysis->pItem[i].a.eScript, lf.lfFaceName);
1235 analysis->glyphs[i].fallbackFont = CreateFontIndirectW(&lf);
1236 if (analysis->glyphs[i].fallbackFont)
1238 ScriptFreeCache(sc);
1239 originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont);
1243 hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos],
1244 cChar, numGlyphs, &analysis->pItem[i].a,
1245 glyphs, pwLogClust, psva, &numGlyphsReturned);
1246 hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a,
1247 piAdvance, pGoffset, abc);
1249 SelectObject(hdc,originalFont);
1251 if (dwFlags & SSA_TAB)
1254 for (tabi = 0; tabi < cChar; tabi++)
1256 if (pStr[analysis->pItem[i].iCharPos+tabi] == 0x0009)
1257 piAdvance[tabi] = getGivenTabWidth(analysis->glyphs[i].sc, pTabdef, analysis->pItem[i].iCharPos+tabi, tab_x);
1258 tab_x+=piAdvance[tabi];
1262 analysis->glyphs[i].numGlyphs = numGlyphsReturned;
1263 analysis->glyphs[i].glyphs = glyphs;
1264 analysis->glyphs[i].pwLogClust = pwLogClust;
1265 analysis->glyphs[i].piAdvance = piAdvance;
1266 analysis->glyphs[i].psva = psva;
1267 analysis->glyphs[i].pGoffset = pGoffset;
1268 analysis->glyphs[i].abc = abc;
1269 analysis->glyphs[i].iMaxPosX= -1;
1271 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1276 for (i = 0; i < analysis->numItems; i++)
1277 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1280 ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
1281 heap_free(BidiLevel);
1289 heap_free(analysis->glyphs);
1290 heap_free(analysis->logattrs);
1291 heap_free(analysis->pItem);
1292 heap_free(analysis->logical2visual);
1293 heap_free(analysis);
1297 static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction)
1301 if (pva[glyph].fClusterStart)
1303 for (i = 0; i < cChars; i++)
1304 if (pwLogClust[i] == glyph) break;
1312 static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa,
1323 StringAnalysis *analysis;
1326 COLORREF BkColor = 0x0;
1327 COLORREF TextColor = 0x0;
1329 INT runStart, runEnd;
1330 INT iGlyph, cGlyphs;
1331 HFONT oldFont = 0x0;
1333 TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n",
1334 ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled);
1336 if (!(analysis = ssa)) return E_INVALIDARG;
1338 if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) ||
1339 (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd))
1344 BkMode = GetBkMode(analysis->hdc);
1345 SetBkMode( analysis->hdc, OPAQUE);
1346 BkColor = GetBkColor(analysis->hdc);
1347 SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT));
1350 TextColor = GetTextColor(analysis->hdc);
1351 SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
1354 if (analysis->glyphs[iItem].fallbackFont)
1355 oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont);
1357 if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart)
1358 runStart = cStart - analysis->pItem[iItem].iCharPos;
1361 if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd)
1362 runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos;
1364 runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1;
1366 if (analysis->pItem[iItem].a.fRTL)
1368 if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos)
1369 ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x);
1371 ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x);
1375 if (cStart >=0 && runStart)
1376 ScriptStringCPtoX(ssa, cStart, FALSE, &off_x);
1378 ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x);
1381 if (analysis->pItem[iItem].a.fRTL)
1382 iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd];
1384 iGlyph = analysis->glyphs[iItem].pwLogClust[runStart];
1386 if (analysis->pItem[iItem].a.fRTL)
1387 cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph;
1389 cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph;
1393 if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo)
1398 clust_glyph = iGlyph + cGlyphs;
1399 if (analysis->pItem[iItem].a.fRTL)
1404 while(clust_glyph < analysis->glyphs[iItem].numGlyphs &&
1405 !does_glyph_start_cluster(analysis->glyphs[iItem].psva, analysis->glyphs[iItem].pwLogClust, (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos), clust_glyph, direction))
1412 hr = ScriptTextOut(analysis->hdc,
1413 (SCRIPT_CACHE *)&analysis->glyphs[iItem].sc, iX + off_x,
1414 iY, uOptions, prc, &analysis->pItem[iItem].a, NULL, 0,
1415 &analysis->glyphs[iItem].glyphs[iGlyph], cGlyphs,
1416 &analysis->glyphs[iItem].piAdvance[iGlyph], NULL,
1417 &analysis->glyphs[iItem].pGoffset[iGlyph]);
1419 TRACE("ScriptTextOut hr=%08x\n", hr);
1423 SetBkColor(analysis->hdc, BkColor);
1424 SetBkMode( analysis->hdc, BkMode);
1426 SetTextColor(analysis->hdc, TextColor);
1428 if (analysis->glyphs[iItem].fallbackFont)
1429 SelectObject(analysis->hdc, oldFont);
1434 /***********************************************************************
1435 * ScriptStringOut (USP10.@)
1437 * This function takes the output of ScriptStringAnalyse and joins the segments
1438 * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut
1439 * only processes glyphs.
1442 * ssa [I] buffer to hold the analysed string components
1443 * iX [I] X axis displacement for output
1444 * iY [I] Y axis displacement for output
1445 * uOptions [I] flags controling output processing
1446 * prc [I] rectangle coordinates
1447 * iMinSel [I] starting pos for substringing output string
1448 * iMaxSel [I] ending pos for substringing output string
1449 * fDisabled [I] controls text highlighting
1453 * Failure: is the value returned by ScriptTextOut
1455 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
1464 StringAnalysis *analysis;
1468 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
1469 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
1471 if (!(analysis = ssa)) return E_INVALIDARG;
1472 if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG;
1474 for (item = 0; item < analysis->numItems; item++)
1476 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled);
1481 if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0))
1483 if (iMaxSel > 0 && iMinSel < 0)
1485 for (item = 0; item < analysis->numItems; item++)
1487 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled);
1496 /***********************************************************************
1497 * ScriptStringCPtoX (USP10.@)
1500 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
1504 StringAnalysis* analysis = ssa;
1506 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
1508 if (!ssa || !pX) return S_FALSE;
1509 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1511 /* icp out of range */
1514 analysis->invalid = TRUE;
1515 return E_INVALIDARG;
1518 for(item=0; item<analysis->numItems; item++)
1523 i = analysis->logical2visual[item];
1524 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1525 /* initialize max extents for uninitialized runs */
1526 if (analysis->glyphs[i].iMaxPosX == -1)
1528 if (analysis->pItem[i].a.fRTL)
1529 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1530 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1531 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1533 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1534 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1535 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1538 if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
1540 runningX += analysis->glyphs[i].iMaxPosX;
1544 icp -= analysis->pItem[i].iCharPos;
1545 ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1546 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1547 &analysis->pItem[i].a, &offset);
1554 /* icp out of range */
1555 analysis->invalid = TRUE;
1556 return E_INVALIDARG;
1559 /***********************************************************************
1560 * ScriptStringXtoCP (USP10.@)
1563 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
1565 StringAnalysis* analysis = ssa;
1568 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
1570 if (!ssa || !piCh || !piTrailing) return S_FALSE;
1571 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1576 if (analysis->pItem[0].a.fRTL)
1579 *piTrailing = FALSE;
1589 for(item=0; item<analysis->numItems; item++)
1594 for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
1597 CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
1598 /* initialize max extents for uninitialized runs */
1599 if (analysis->glyphs[i].iMaxPosX == -1)
1601 if (analysis->pItem[i].a.fRTL)
1602 ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1603 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1604 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1606 ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1607 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1608 &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
1611 if (iX > analysis->glyphs[i].iMaxPosX)
1613 iX -= analysis->glyphs[i].iMaxPosX;
1617 ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
1618 analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
1619 &analysis->pItem[i].a, piCh, piTrailing);
1620 *piCh += analysis->pItem[i].iCharPos;
1626 *piCh = analysis->pItem[analysis->numItems].iCharPos;
1627 *piTrailing = FALSE;
1633 /***********************************************************************
1634 * ScriptStringFree (USP10.@)
1636 * Free a string analysis.
1639 * pssa [I] string analysis.
1643 * Failure: Non-zero HRESULT value.
1645 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
1647 StringAnalysis* analysis;
1651 TRACE("(%p)\n", pssa);
1653 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
1655 invalid = analysis->invalid;
1657 if (analysis->glyphs)
1659 for (i = 0; i < analysis->numItems; i++)
1661 heap_free(analysis->glyphs[i].glyphs);
1662 heap_free(analysis->glyphs[i].pwLogClust);
1663 heap_free(analysis->glyphs[i].piAdvance);
1664 heap_free(analysis->glyphs[i].psva);
1665 heap_free(analysis->glyphs[i].pGoffset);
1666 heap_free(analysis->glyphs[i].abc);
1667 if (analysis->glyphs[i].fallbackFont)
1668 DeleteObject(analysis->glyphs[i].fallbackFont);
1669 ScriptFreeCache((SCRIPT_CACHE *)&analysis->glyphs[i].sc);
1670 heap_free(analysis->glyphs[i].sc);
1672 heap_free(analysis->glyphs);
1675 heap_free(analysis->pItem);
1676 heap_free(analysis->logattrs);
1677 heap_free(analysis->sz);
1678 heap_free(analysis->logical2visual);
1679 heap_free(analysis);
1681 if (invalid) return E_INVALIDARG;
1685 static inline int get_cluster_size(const WORD *pwLogClust, int cChars, int item,
1686 int direction, int* iCluster, int *check_out)
1690 WORD clust = pwLogClust[item];
1692 for (check = item+direction; check < cChars && check >= 0; check+=direction)
1694 if (pwLogClust[check] == clust)
1697 if (iCluster && *iCluster == -1)
1709 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)
1712 int log_clust_max = 0;
1715 advance = piAdvance[glyph];
1717 for (i = 0; i < cChars; i++)
1719 if (pwLogClust[i] > log_clust_max)
1720 log_clust_max = pwLogClust[i];
1723 if (glyph > log_clust_max)
1726 for (glyph+=direction; glyph < cGlyphs && glyph >= 0; glyph +=direction)
1729 if (does_glyph_start_cluster(pva, pwLogClust, cChars, glyph, direction))
1731 if (glyph > log_clust_max)
1733 advance += piAdvance[glyph];
1739 /***********************************************************************
1740 * ScriptCPtoX (USP10.@)
1743 HRESULT WINAPI ScriptCPtoX(int iCP,
1747 const WORD *pwLogClust,
1748 const SCRIPT_VISATTR *psva,
1749 const int *piAdvance,
1750 const SCRIPT_ANALYSIS *psa,
1758 float special_size = 0.0;
1763 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
1764 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
1767 if (psa->fRTL && ! psa->fLogicalOrder)
1775 int max_clust = pwLogClust[0];
1777 for (item=0; item < cGlyphs; item++)
1778 if (pwLogClust[item] > max_clust)
1780 ERR("We do not handle non reversed clusters properly\n");
1785 for (item = max_clust; item >=0; item --)
1786 iMaxPos += piAdvance[item];
1790 for (item=0; item < iCP && item < cChars; item++)
1792 if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item)))
1795 int clust = pwLogClust[item];
1798 clust_size = get_cluster_size(pwLogClust, cChars, item, 1, &iCluster,
1801 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, 1);
1803 if (check >= cChars && !iMaxPos)
1805 for (check = clust; check < cChars; check++)
1806 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, 1);
1808 special_size /= (cChars - item);
1809 iPosX += special_size;
1813 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1816 if (clust_size == 0)
1820 iPosX += advance / (float)clust_size;
1823 else if (iSpecial != -1)
1824 iPosX += special_size;
1825 else /* (iCluster != -1) */
1827 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], 1);
1828 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1831 if (clust_size == 0)
1835 iPosX += adv / (float)clust_size;
1841 iPosX = iMaxPos - iPosX;
1847 TRACE("*piX=%d\n", *piX);
1851 /***********************************************************************
1852 * ScriptXtoCP (USP10.@)
1855 HRESULT WINAPI ScriptXtoCP(int iX,
1858 const WORD *pwLogClust,
1859 const SCRIPT_VISATTR *psva,
1860 const int *piAdvance,
1861 const SCRIPT_ANALYSIS *psa,
1873 float special_size = 0.0;
1876 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
1877 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
1878 psa, piCP, piTrailing);
1880 if (psa->fRTL && ! psa->fLogicalOrder)
1885 int max_clust = pwLogClust[0];
1894 for (item=0; item < cChars; item++)
1895 if (pwLogClust[item] > max_clust)
1897 ERR("We do not handle non reversed clusters properly\n");
1909 iPosX = iLastPosX = 0;
1914 for (; iPosX <= iX && item < cChars && item >= 0; item+=direction)
1917 if (iSpecial == -1 &&
1920 ((direction > 0 && iCluster+clust_size <= item) ||
1921 (direction < 0 && iCluster-clust_size >= item))
1927 int clust = pwLogClust[item];
1931 clust_size = get_cluster_size(pwLogClust, cChars, item, direction,
1933 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, direction);
1935 if (check >= cChars && direction > 0)
1937 for (check = clust; check < cChars; check++)
1938 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, direction);
1940 special_size /= (cChars - item);
1941 iPosX += special_size;
1945 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1952 iPosX += advance / (float)clust_size;
1955 else if (iSpecial != -1)
1956 iPosX += special_size;
1957 else /* (iCluster != -1) */
1959 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], direction);
1960 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1967 iPosX += adv / (float)clust_size;
1975 if (item < cChars && ((iPosX - iLastPosX) / 2.0) + iX >= iPosX)
1977 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
1978 item+=(clust_size-1);
1986 if (iX == iLastPosX)
1988 if (iX >= iLastPosX && iX <= iPosX)
1991 if (iLastPosX == iX)
1993 else if (item < 0 || ((iLastPosX - iPosX) / 2.0) + iX <= iLastPosX)
1995 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
1996 item-=(clust_size-1);
2005 TRACE("*piCP=%d\n", *piCP);
2006 TRACE("*piTrailing=%d\n", *piTrailing);
2010 /***********************************************************************
2011 * ScriptBreak (USP10.@)
2013 * Retrieve line break information.
2016 * chars [I] Array of characters.
2017 * sa [I] String analysis.
2018 * la [I] Array of logical attribute structures.
2024 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
2026 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
2028 if (!la) return S_FALSE;
2030 BREAK_line(chars, count, sa, la);
2035 /***********************************************************************
2036 * ScriptIsComplex (USP10.@)
2038 * Determine if a string is complex.
2041 * chars [I] Array of characters to test.
2042 * len [I] Length in characters.
2050 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
2054 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
2056 for (i = 0; i < len; i++)
2060 if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39)
2063 script = get_char_script(chars[i]);
2064 if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))||
2065 (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL)))
2071 /***********************************************************************
2072 * ScriptShapeOpenType (USP10.@)
2074 * Produce glyphs and visual attributes for a run.
2077 * hdc [I] Device context.
2078 * psc [I/O] Opaque pointer to a script cache.
2079 * psa [I/O] Script analysis.
2080 * tagScript [I] The OpenType tag for the Script
2081 * tagLangSys [I] The OpenType tag for the Language
2082 * rcRangeChars[I] Array of Character counts in each range
2083 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2084 * cRanges [I] Count of ranges
2085 * pwcChars [I] Array of characters specifying the run.
2086 * cChars [I] Number of characters in pwcChars.
2087 * cMaxGlyphs [I] Length of pwOutGlyphs.
2088 * pwLogClust [O] Array of logical cluster info.
2089 * pCharProps [O] Array of character property values
2090 * pwOutGlyphs [O] Array of glyphs.
2091 * pOutGlyphProps [O] Array of attributes for the retrieved glyphs
2092 * pcGlyphs [O] Number of glyphs returned.
2096 * Failure: Non-zero HRESULT value.
2098 HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc,
2099 SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
2100 OPENTYPE_TAG tagLangSys, int *rcRangeChars,
2101 TEXTRANGE_PROPERTIES **rpRangeProperties,
2102 int cRanges, const WCHAR *pwcChars, int cChars,
2103 int cMaxGlyphs, WORD *pwLogClust,
2104 SCRIPT_CHARPROP *pCharProps, WORD *pwOutGlyphs,
2105 SCRIPT_GLYPHPROP *pOutGlyphProps, int *pcGlyphs)
2111 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %d, %d, %p, %p, %p, %p, %p )\n",
2113 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2114 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2115 cChars, cMaxGlyphs, pwLogClust, pCharProps, pwOutGlyphs, pOutGlyphProps, pcGlyphs);
2117 if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL,
2118 psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex);
2120 if (!pOutGlyphProps || !pcGlyphs || !pCharProps) return E_INVALIDARG;
2121 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2124 FIXME("Ranges not supported yet\n");
2126 rtl = (psa && !psa->fLogicalOrder && psa->fRTL);
2129 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2130 if (!pwLogClust) return E_FAIL;
2132 ((ScriptCache *)*psc)->userScript = tagScript;
2133 ((ScriptCache *)*psc)->userLang = tagLangSys;
2135 /* set fNoGlyphIndex non truetype/opentype fonts */
2136 if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
2137 psa->fNoGlyphIndex = TRUE;
2139 /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
2140 for (i = 0; i < cChars; i++)
2143 if (rtl) idx = cChars - 1 - i;
2144 /* FIXME: set to better values */
2145 pOutGlyphProps[i].sva.uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER;
2146 pOutGlyphProps[i].sva.fClusterStart = 1;
2147 pOutGlyphProps[i].sva.fDiacritic = 0;
2148 pOutGlyphProps[i].sva.fZeroWidth = 0;
2149 pOutGlyphProps[i].sva.fReserved = 0;
2150 pOutGlyphProps[i].sva.fShapeReserved = 0;
2152 /* FIXME: have the shaping engine set this */
2153 pCharProps[i].fCanGlyphAlone = 0;
2155 pwLogClust[i] = idx;
2158 if (psa && !psa->fNoGlyphIndex)
2161 if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr;
2163 rChars = heap_alloc(sizeof(WCHAR) * cChars);
2164 if (!rChars) return E_OUTOFMEMORY;
2165 for (i = 0; i < cChars; i++)
2169 if (rtl) idx = cChars - 1 - i;
2171 chInput = mirror_char(pwcChars[idx]);
2173 chInput = pwcChars[idx];
2174 /* special case for tabs */
2175 if (chInput == 0x0009)
2177 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput)))
2180 if (!hdc) return E_PENDING;
2181 if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR) return S_FALSE;
2182 pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph);
2184 rChars[i] = chInput;
2187 SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust);
2188 SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust);
2189 SHAPE_CharGlyphProp(hdc, (ScriptCache *)*psc, psa, pwcChars, cChars, pwOutGlyphs, *pcGlyphs, pwLogClust, pCharProps, pOutGlyphProps);
2194 TRACE("no glyph translation\n");
2195 for (i = 0; i < cChars; i++)
2198 /* No mirroring done here */
2199 if (rtl) idx = cChars - 1 - i;
2200 pwOutGlyphs[i] = pwcChars[idx];
2208 /***********************************************************************
2209 * ScriptShape (USP10.@)
2211 * Produce glyphs and visual attributes for a run.
2214 * hdc [I] Device context.
2215 * psc [I/O] Opaque pointer to a script cache.
2216 * pwcChars [I] Array of characters specifying the run.
2217 * cChars [I] Number of characters in pwcChars.
2218 * cMaxGlyphs [I] Length of pwOutGlyphs.
2219 * psa [I/O] Script analysis.
2220 * pwOutGlyphs [O] Array of glyphs.
2221 * pwLogClust [O] Array of logical cluster info.
2222 * psva [O] Array of visual attributes.
2223 * pcGlyphs [O] Number of glyphs returned.
2227 * Failure: Non-zero HRESULT value.
2229 HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
2230 int cChars, int cMaxGlyphs,
2231 SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust,
2232 SCRIPT_VISATTR *psva, int *pcGlyphs)
2236 SCRIPT_CHARPROP *charProps;
2237 SCRIPT_GLYPHPROP *glyphProps;
2239 if (!psva || !pcGlyphs) return E_INVALIDARG;
2240 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2242 charProps = heap_alloc_zero(sizeof(SCRIPT_CHARPROP)*cChars);
2243 if (!charProps) return E_OUTOFMEMORY;
2244 glyphProps = heap_alloc_zero(sizeof(SCRIPT_GLYPHPROP)*cMaxGlyphs);
2245 if (!glyphProps) return E_OUTOFMEMORY;
2247 hr = ScriptShapeOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, pwcChars, cChars, cMaxGlyphs, pwLogClust, charProps, pwOutGlyphs, glyphProps, pcGlyphs);
2251 for (i = 0; i < *pcGlyphs; i++)
2252 psva[i] = glyphProps[i].sva;
2255 heap_free(charProps);
2256 heap_free(glyphProps);
2261 /***********************************************************************
2262 * ScriptPlaceOpenType (USP10.@)
2264 * Produce advance widths for a run.
2267 * hdc [I] Device context.
2268 * psc [I/O] Opaque pointer to a script cache.
2269 * psa [I/O] String analysis.
2270 * tagScript [I] The OpenType tag for the Script
2271 * tagLangSys [I] The OpenType tag for the Language
2272 * rcRangeChars[I] Array of Character counts in each range
2273 * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures
2274 * cRanges [I] Count of ranges
2275 * pwcChars [I] Array of characters specifying the run.
2276 * pwLogClust [I] Array of logical cluster info
2277 * pCharProps [I] Array of character property values
2278 * cChars [I] Number of characters in pwcChars.
2279 * pwGlyphs [I] Array of glyphs.
2280 * pGlyphProps [I] Array of attributes for the retrieved glyphs
2281 * cGlyphs [I] Count of Glyphs
2282 * piAdvance [O] Array of advance widths.
2283 * pGoffset [O] Glyph offsets.
2284 * pABC [O] Combined ABC width.
2288 * Failure: Non-zero HRESULT value.
2291 HRESULT WINAPI ScriptPlaceOpenType( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
2292 OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys,
2293 int *rcRangeChars, TEXTRANGE_PROPERTIES **rpRangeProperties,
2294 int cRanges, const WCHAR *pwcChars, WORD *pwLogClust,
2295 SCRIPT_CHARPROP *pCharProps, int cChars,
2296 const WORD *pwGlyphs, const SCRIPT_GLYPHPROP *pGlyphProps,
2297 int cGlyphs, int *piAdvance,
2298 GOFFSET *pGoffset, ABC *pABC
2304 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %p, %p, %d, %p, %p, %d, %p %p %p)\n",
2306 debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4),
2307 rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars),
2308 pwLogClust, pCharProps, cChars, pwGlyphs, pGlyphProps, cGlyphs, piAdvance,
2311 if (!pGlyphProps) return E_INVALIDARG;
2312 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2313 if (!pGoffset) return E_FAIL;
2316 FIXME("Ranges not supported yet\n");
2318 ((ScriptCache *)*psc)->userScript = tagScript;
2319 ((ScriptCache *)*psc)->userLang = tagLangSys;
2321 if (pABC) memset(pABC, 0, sizeof(ABC));
2322 for (i = 0; i < cGlyphs; i++)
2325 if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
2327 if (!hdc) return E_PENDING;
2328 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
2330 if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
2335 if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
2337 abc.abcA = abc.abcC = 0;
2339 set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
2343 pABC->abcA += abc.abcA;
2344 pABC->abcB += abc.abcB;
2345 pABC->abcC += abc.abcC;
2347 /* FIXME: set to more reasonable values */
2348 pGoffset[i].du = pGoffset[i].dv = 0;
2349 if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC;
2352 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
2356 /***********************************************************************
2357 * ScriptPlace (USP10.@)
2359 * Produce advance widths for a run.
2362 * hdc [I] Device context.
2363 * psc [I/O] Opaque pointer to a script cache.
2364 * pwGlyphs [I] Array of glyphs.
2365 * cGlyphs [I] Number of glyphs in pwGlyphs.
2366 * psva [I] Array of visual attributes.
2367 * psa [I/O] String analysis.
2368 * piAdvance [O] Array of advance widths.
2369 * pGoffset [O] Glyph offsets.
2370 * pABC [O] Combined ABC width.
2374 * Failure: Non-zero HRESULT value.
2376 HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
2377 int cGlyphs, const SCRIPT_VISATTR *psva,
2378 SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC )
2381 SCRIPT_GLYPHPROP *glyphProps;
2384 TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
2385 piAdvance, pGoffset, pABC);
2387 if (!psva) return E_INVALIDARG;
2388 if (!pGoffset) return E_FAIL;
2390 glyphProps = heap_alloc(sizeof(SCRIPT_GLYPHPROP)*cGlyphs);
2391 if (!glyphProps) return E_OUTOFMEMORY;
2393 for (i = 0; i < cGlyphs; i++)
2394 glyphProps[i].sva = psva[i];
2396 hr = ScriptPlaceOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, NULL, NULL, NULL, 0, pwGlyphs, glyphProps, cGlyphs, piAdvance, pGoffset, pABC);
2398 heap_free(glyphProps);
2403 /***********************************************************************
2404 * ScriptGetCMap (USP10.@)
2406 * Retrieve glyph indices.
2409 * hdc [I] Device context.
2410 * psc [I/O] Opaque pointer to a script cache.
2411 * pwcInChars [I] Array of Unicode characters.
2412 * cChars [I] Number of characters in pwcInChars.
2413 * dwFlags [I] Flags.
2414 * pwOutGlyphs [O] Buffer to receive the array of glyph indices.
2418 * Failure: Non-zero HRESULT value.
2420 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
2421 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
2426 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
2427 cChars, dwFlags, pwOutGlyphs);
2429 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2433 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2435 for (i = 0; i < cChars; i++)
2438 if (dwFlags == SGCM_RTL)
2439 inChar = mirror_char(pwcInChars[i]);
2441 inChar = pwcInChars[i];
2442 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar)))
2445 if (!hdc) return E_PENDING;
2446 if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE;
2447 if (glyph == 0xffff)
2452 pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph);
2458 TRACE("no glyph translation\n");
2459 for (i = 0; i < cChars; i++)
2462 if (dwFlags == SGCM_RTL)
2463 inChar = mirror_char(pwcInChars[i]);
2465 inChar = pwcInChars[i];
2466 pwOutGlyphs[i] = inChar;
2472 /***********************************************************************
2473 * ScriptTextOut (USP10.@)
2476 HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions,
2477 const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved,
2478 int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
2479 const int *piJustify, const GOFFSET *pGoffset)
2483 TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
2484 hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
2485 piAdvance, piJustify, pGoffset);
2487 if (!hdc || !psc) return E_INVALIDARG;
2488 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
2490 fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
2491 fuOptions |= ETO_IGNORELANGUAGE;
2492 if (!psa->fNoGlyphIndex) /* Have Glyphs? */
2493 fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
2495 if (psa->fRTL && psa->fLogicalOrder)
2500 rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD));
2502 return E_OUTOFMEMORY;
2504 for (i = 0; i < cGlyphs; i++)
2505 rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i];
2507 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL))
2509 heap_free(rtlGlyphs);
2512 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
2518 /***********************************************************************
2519 * ScriptCacheGetHeight (USP10.@)
2521 * Retrieve the height of the font in the cache.
2524 * hdc [I] Device context.
2525 * psc [I/O] Opaque pointer to a script cache.
2526 * height [O] Receives font height.
2530 * Failure: Non-zero HRESULT value.
2532 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
2536 TRACE("(%p, %p, %p)\n", hdc, psc, height);
2538 if (!height) return E_INVALIDARG;
2539 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2541 *height = get_cache_height(psc);
2545 /***********************************************************************
2546 * ScriptGetGlyphABCWidth (USP10.@)
2548 * Retrieve the width of a glyph.
2551 * hdc [I] Device context.
2552 * psc [I/O] Opaque pointer to a script cache.
2553 * glyph [I] Glyph to retrieve the width for.
2554 * abc [O] ABC widths of the glyph.
2558 * Failure: Non-zero HRESULT value.
2560 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
2564 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
2566 if (!abc) return E_INVALIDARG;
2567 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2569 if (!get_cache_glyph_widths(psc, glyph, abc))
2571 if (!hdc) return E_PENDING;
2572 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2574 if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
2579 if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
2581 abc->abcA = abc->abcC = 0;
2583 set_cache_glyph_widths(psc, glyph, abc);
2588 /***********************************************************************
2589 * ScriptLayout (USP10.@)
2591 * Map embedding levels to visual and/or logical order.
2594 * runs [I] Size of level array.
2595 * level [I] Array of embedding levels.
2596 * vistolog [O] Map of embedding levels from visual to logical order.
2597 * logtovis [O] Map of embedding levels from logical to visual order.
2601 * Failure: Non-zero HRESULT value.
2604 * This stub works correctly for any sequence of a single
2605 * embedding level but not for sequences of different
2606 * embedding levels, i.e. mixtures of RTL and LTR scripts.
2608 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
2613 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
2615 if (!level || (!vistolog && !logtovis))
2616 return E_INVALIDARG;
2618 indexs = heap_alloc(sizeof(int) * runs);
2620 return E_OUTOFMEMORY;
2625 for( ich = 0; ich < runs; ich++)
2630 ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
2631 for (ich = 0; ich < runs; ich++)
2632 vistolog[ich] = indexs[ich];
2638 for( ich = 0; ich < runs; ich++)
2643 ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
2644 for (ich = 0; ich < runs; ich++)
2645 logtovis[ich] = indexs[ich];
2652 /***********************************************************************
2653 * ScriptStringGetLogicalWidths (USP10.@)
2655 * Returns logical widths from a string analysis.
2658 * ssa [I] string analysis.
2659 * piDx [O] logical widths returned.
2663 * Failure: a non-zero HRESULT.
2665 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
2668 StringAnalysis *analysis = ssa;
2670 TRACE("%p, %p\n", ssa, piDx);
2672 if (!analysis) return S_FALSE;
2673 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2675 for (i = 0; i < analysis->numItems; i++)
2677 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2680 if (analysis->pItem[i].a.fRTL && ! analysis->pItem[i].a.fLogicalOrder)
2683 for (j = 0; j < cChar; j++)
2686 int glyph = analysis->glyphs[i].pwLogClust[j];
2687 int clust_size = get_cluster_size(analysis->glyphs[i].pwLogClust,
2688 cChar, j, direction, NULL, NULL);
2689 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);
2691 for (k = 0; k < clust_size; k++)
2693 piDx[next] = advance / clust_size;
2702 /***********************************************************************
2703 * ScriptStringValidate (USP10.@)
2705 * Validate a string analysis.
2708 * ssa [I] string analysis.
2712 * Failure: S_FALSE if invalid sequences are found
2713 * or a non-zero HRESULT if it fails.
2715 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
2717 StringAnalysis *analysis = ssa;
2719 TRACE("(%p)\n", ssa);
2721 if (!analysis) return E_INVALIDARG;
2722 return (analysis->invalid) ? S_FALSE : S_OK;
2725 /***********************************************************************
2726 * ScriptString_pSize (USP10.@)
2728 * Retrieve width and height of an analysed string.
2731 * ssa [I] string analysis.
2734 * Success: Pointer to a SIZE structure.
2737 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
2740 StringAnalysis *analysis = ssa;
2742 TRACE("(%p)\n", ssa);
2744 if (!analysis) return NULL;
2745 if (!(analysis->dwFlags & SSA_GLYPHS)) return NULL;
2749 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
2750 analysis->sz->cy = analysis->glyphs[0].sc->tm.tmHeight;
2752 analysis->sz->cx = 0;
2753 for (i = 0; i < analysis->numItems; i++)
2755 if (analysis->glyphs[i].sc->tm.tmHeight > analysis->sz->cy)
2756 analysis->sz->cy = analysis->glyphs[i].sc->tm.tmHeight;
2757 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++)
2758 analysis->sz->cx += analysis->glyphs[i].piAdvance[j];
2761 return analysis->sz;
2764 /***********************************************************************
2765 * ScriptString_pLogAttr (USP10.@)
2767 * Retrieve logical attributes of an analysed string.
2770 * ssa [I] string analysis.
2773 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
2776 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
2778 StringAnalysis *analysis = ssa;
2780 TRACE("(%p)\n", ssa);
2782 if (!analysis) return NULL;
2783 if (!(analysis->dwFlags & SSA_BREAK)) return NULL;
2784 return analysis->logattrs;
2787 /***********************************************************************
2788 * ScriptString_pcOutChars (USP10.@)
2790 * Retrieve the length of a string after clipping.
2793 * ssa [I] String analysis.
2796 * Success: Pointer to the length.
2799 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
2801 StringAnalysis *analysis = ssa;
2803 TRACE("(%p)\n", ssa);
2805 if (!analysis) return NULL;
2806 return &analysis->clip_len;
2809 /***********************************************************************
2810 * ScriptStringGetOrder (USP10.@)
2812 * Retrieve a glyph order map.
2815 * ssa [I] String analysis.
2816 * order [I/O] Array of glyph positions.
2820 * Failure: a non-zero HRESULT.
2822 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
2826 StringAnalysis *analysis = ssa;
2828 TRACE("(%p)\n", ssa);
2830 if (!analysis) return S_FALSE;
2831 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2833 /* FIXME: handle RTL scripts */
2834 for (i = 0, k = 0; i < analysis->numItems; i++)
2835 for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++)
2841 /***********************************************************************
2842 * ScriptGetLogicalWidths (USP10.@)
2844 * Convert advance widths to logical widths.
2847 * sa [I] Script analysis.
2848 * nbchars [I] Number of characters.
2849 * nbglyphs [I] Number of glyphs.
2850 * glyph_width [I] Array of glyph widths.
2851 * log_clust [I] Array of logical clusters.
2852 * sva [I] Visual attributes.
2853 * widths [O] Array of logical widths.
2857 * Failure: a non-zero HRESULT.
2859 HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs,
2860 const int *glyph_width, const WORD *log_clust,
2861 const SCRIPT_VISATTR *sva, int *widths)
2865 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
2866 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
2869 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
2873 /***********************************************************************
2874 * ScriptApplyLogicalWidth (USP10.@)
2876 * Generate glyph advance widths.
2879 * dx [I] Array of logical advance widths.
2880 * num_chars [I] Number of characters.
2881 * num_glyphs [I] Number of glyphs.
2882 * log_clust [I] Array of logical clusters.
2883 * sva [I] Visual attributes.
2884 * advance [I] Array of glyph advance widths.
2885 * sa [I] Script analysis.
2886 * abc [I/O] Summed ABC widths.
2887 * justify [O] Array of glyph advance widths.
2891 * Failure: a non-zero HRESULT.
2893 HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs,
2894 const WORD *log_clust, const SCRIPT_VISATTR *sva,
2895 const int *advance, const SCRIPT_ANALYSIS *sa,
2896 ABC *abc, int *justify)
2900 FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n",
2901 dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify);
2903 for (i = 0; i < num_chars; i++) justify[i] = advance[i];
2907 HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance,
2908 int num_glyphs, int dx, int min_kashida, int *justify)
2912 FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify);
2914 for (i = 0; i < num_glyphs; i++) justify[i] = advance[i];