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xcopy: Fix varargs handling for 64-bit.
[wine/multimedia.git] / dlls / usp10 / usp10.c
blob4b038359b1db1fea2b9d9b4cfbc8f91f883bb61c
1 /*
2 * Implementation of Uniscribe Script Processor (usp10.dll)
3 *
4 * Copyright 2005 Steven Edwards for CodeWeavers
5 * Copyright 2006 Hans Leidekker
6 * Copyright 2010 CodeWeavers, Aric Stewart
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 *
22 * Notes:
23 * Uniscribe allows for processing of complex scripts such as joining
24 * and filtering characters and bi-directional text with custom line breaks.
25 */
26
27 #include <stdarg.h>
28
29 #include "windef.h"
30 #include "winbase.h"
31 #include "wingdi.h"
32 #include "winuser.h"
33 #include "winnls.h"
34 #include "winreg.h"
35 #include "usp10.h"
36
37 #include "usp10_internal.h"
38
39 #include "wine/debug.h"
40 #include "wine/unicode.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(uniscribe);
43
44 typedef struct _scriptRange
45 {
46 WORD script;
47 WORD rangeFirst;
48 WORD rangeLast;
49 WORD numericScript;
50 WORD punctScript;
51 } scriptRange;
52
53 static const scriptRange scriptRanges[] = {
54 /* Basic Latin: U+0000–U+007A */
55 /* 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},
142 /* END */
143 { SCRIPT_UNDEFINED, 0, 0, 0}
144 };
145
146 typedef struct _scriptData
147 {
148 SCRIPT_ANALYSIS a;
149 SCRIPT_PROPERTIES props;
150 OPENTYPE_TAG scriptTag;
151 WCHAR fallbackFont[LF_FACESIZE];
152 } scriptData;
153
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},
158 0x00000000,
159 {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'),
163 {0}},
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},
166 0x00000000,
167 {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},
170 0x00000000,
171 {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},
174 0x00000000,
175 {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},
178 0x00000000,
179 {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'),
207 {0}},
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'),
211 {0}},
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}},
332 };
333
334 static const SCRIPT_PROPERTIES *script_props[] =
335 {
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
358 };
359
360 typedef struct {
361 ScriptCache *sc;
362 int numGlyphs;
363 WORD* glyphs;
364 WORD* pwLogClust;
365 int* piAdvance;
366 SCRIPT_VISATTR* psva;
367 GOFFSET* pGoffset;
368 ABC* abc;
369 int iMaxPosX;
370 HFONT fallbackFont;
371 } StringGlyphs;
372
373 typedef struct {
374 HDC hdc;
375 DWORD dwFlags;
376 BOOL invalid;
377 int clip_len;
378 int cItems;
379 int cMaxGlyphs;
380 SCRIPT_ITEM* pItem;
381 int numItems;
382 StringGlyphs* glyphs;
383 SCRIPT_LOGATTR* logattrs;
384 SIZE* sz;
385 int* logical2visual;
386 } StringAnalysis;
387
388 static inline void *heap_alloc(SIZE_T size)
389 {
390 return HeapAlloc(GetProcessHeap(), 0, size);
391 }
392
393 static inline void *heap_alloc_zero(SIZE_T size)
394 {
395 return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
396 }
397
398 static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size)
399 {
400 return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size);
401 }
402
403 static inline BOOL heap_free(LPVOID mem)
404 {
405 return HeapFree(GetProcessHeap(), 0, mem);
406 }
407
408 static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc)
409 {
410 return ((ScriptCache *)*psc)->tm.tmDefaultChar;
411 }
412
413 static inline LONG get_cache_height(SCRIPT_CACHE *psc)
414 {
415 return ((ScriptCache *)*psc)->tm.tmHeight;
416 }
417
418 static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc)
419 {
420 return ((ScriptCache *)*psc)->tm.tmPitchAndFamily;
421 }
422
423 static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c)
424 {
425 WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
426
427 if (!block) return 0;
428 return block[c & GLYPH_BLOCK_MASK];
429 }
430
431 static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph)
432 {
433 WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT];
434
435 if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0;
436 return ((*block)[c & GLYPH_BLOCK_MASK] = glyph);
437 }
438
439 static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
440 {
441 static const ABC nil;
442 ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
443
444 if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE;
445 memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC));
446 return TRUE;
447 }
448
449 static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
450 {
451 ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT];
452
453 if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE;
454 memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC));
455 return TRUE;
456 }
457
458 static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
459 {
460 ScriptCache *sc;
461
462 if (!psc) return E_INVALIDARG;
463 if (*psc) return S_OK;
464 if (!hdc) return E_PENDING;
465
466 if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY;
467 if (!GetTextMetricsW(hdc, &sc->tm))
468 {
469 heap_free(sc);
470 return E_INVALIDARG;
471 }
472 if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf))
473 {
474 heap_free(sc);
475 return E_INVALIDARG;
476 }
477 sc->sfnt = (GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, NULL, 0)!=GDI_ERROR);
478 *psc = sc;
479 TRACE("<- %p\n", sc);
480 return S_OK;
481 }
482
483 static WCHAR mirror_char( WCHAR ch )
484 {
485 extern const WCHAR wine_mirror_map[];
486 return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)];
487 }
488
489 static WORD get_char_script( WCHAR ch)
490 {
491 WORD type = 0;
492 int i;
493
494 if (ch == 0xc || ch == 0x20 || ch == 0x202f)
495 return Script_CR;
496
497 GetStringTypeW(CT_CTYPE1, &ch, 1, &type);
498
499 if (type == 0)
500 return SCRIPT_UNDEFINED;
501
502 if (type & C1_CNTRL)
503 return Script_Control;
504
505 i = 0;
506 do
507 {
508 if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED)
509 break;
510
511 if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast)
512 {
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;
518 }
519 i++;
520 } while (1);
521
522 return SCRIPT_UNDEFINED;
523 }
524
525 /***********************************************************************
526 * DllMain
527 *
528 */
529 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
530 {
531 switch(fdwReason)
532 {
533 case DLL_PROCESS_ATTACH:
534 DisableThreadLibraryCalls(hInstDLL);
535 break;
536 case DLL_PROCESS_DETACH:
537 break;
538 }
539 return TRUE;
540 }
541
542 /***********************************************************************
543 * ScriptFreeCache (USP10.@)
544 *
545 * Free a script cache.
546 *
547 * PARAMS
548 * psc [I/O] Script cache.
549 *
550 * RETURNS
551 * Success: S_OK
552 * Failure: Non-zero HRESULT value.
553 */
554 HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
555 {
556 TRACE("%p\n", psc);
557
558 if (psc && *psc)
559 {
560 unsigned int i;
561 for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++)
562 {
563 heap_free(((ScriptCache *)*psc)->glyphs[i]);
564 heap_free(((ScriptCache *)*psc)->widths[i]);
565 }
566 heap_free(((ScriptCache *)*psc)->GSUB_Table);
567 heap_free(((ScriptCache *)*psc)->GDEF_Table);
568 heap_free(((ScriptCache *)*psc)->features);
569 heap_free(*psc);
570 *psc = NULL;
571 }
572 return S_OK;
573 }
574
575 /***********************************************************************
576 * ScriptGetProperties (USP10.@)
577 *
578 * Retrieve a list of script properties.
579 *
580 * PARAMS
581 * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers.
582 * num [I] Pointer to the number of scripts.
583 *
584 * RETURNS
585 * Success: S_OK
586 * Failure: Non-zero HRESULT value.
587 *
588 * NOTES
589 * Behaviour matches WinXP.
590 */
591 HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num)
592 {
593 TRACE("(%p,%p)\n", props, num);
594
595 if (!props && !num) return E_INVALIDARG;
596
597 if (num) *num = sizeof(script_props)/sizeof(script_props[0]);
598 if (props) *props = script_props;
599
600 return S_OK;
601 }
602
603 /***********************************************************************
604 * ScriptGetFontProperties (USP10.@)
605 *
606 * Get information on special glyphs.
607 *
608 * PARAMS
609 * hdc [I] Device context.
610 * psc [I/O] Opaque pointer to a script cache.
611 * sfp [O] Font properties structure.
612 */
613 HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp)
614 {
615 HRESULT hr;
616
617 TRACE("%p,%p,%p\n", hdc, psc, sfp);
618
619 if (!sfp) return E_INVALIDARG;
620 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
621
622 if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES))
623 return E_INVALIDARG;
624
625 /* return something sensible? */
626 sfp->wgBlank = 0;
627 sfp->wgDefault = get_cache_default_char(psc);
628 sfp->wgInvalid = 0;
629 sfp->wgKashida = 0xffff;
630 sfp->iKashidaWidth = 0;
631
632 return S_OK;
633 }
634
635 /***********************************************************************
636 * ScriptRecordDigitSubstitution (USP10.@)
637 *
638 * Record digit substitution settings for a given locale.
639 *
640 * PARAMS
641 * locale [I] Locale identifier.
642 * sds [I] Structure to record substitution settings.
643 *
644 * RETURNS
645 * Success: S_OK
646 * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise.
647 *
648 * SEE ALSO
649 * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx
650 */
651 HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds)
652 {
653 DWORD plgid, sub;
654
655 TRACE("0x%x, %p\n", locale, sds);
656
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 */
660
661 if (!sds) return E_POINTER;
662
663 locale = ConvertDefaultLocale(locale);
664
665 if (!IsValidLocale(locale, LCID_INSTALLED))
666 return E_INVALIDARG;
667
668 plgid = PRIMARYLANGID(LANGIDFROMLCID(locale));
669 sds->TraditionalDigitLanguage = plgid;
670
671 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
672 sds->NationalDigitLanguage = plgid;
673 else
674 sds->NationalDigitLanguage = LANG_ENGLISH;
675
676 if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,
677 (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG;
678
679 switch (sub)
680 {
681 case 0:
682 if (plgid == LANG_ARABIC || plgid == LANG_FARSI)
683 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT;
684 else
685 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
686 break;
687 case 1:
688 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE;
689 break;
690 case 2:
691 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL;
692 break;
693 default:
694 sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL;
695 break;
696 }
697
698 sds->dwReserved = 0;
699 return S_OK;
700 }
701
702 /***********************************************************************
703 * ScriptApplyDigitSubstitution (USP10.@)
704 *
705 * Apply digit substitution settings.
706 *
707 * PARAMS
708 * sds [I] Structure with recorded substitution settings.
709 * sc [I] Script control structure.
710 * ss [I] Script state structure.
711 *
712 * RETURNS
713 * Success: S_OK
714 * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT.
715 */
716 HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds,
717 SCRIPT_CONTROL *sc, SCRIPT_STATE *ss)
718 {
719 SCRIPT_DIGITSUBSTITUTE psds;
720
721 TRACE("%p, %p, %p\n", sds, sc, ss);
722
723 if (!sc || !ss) return E_POINTER;
724 if (!sds)
725 {
726 sds = &psds;
727 if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK)
728 return E_INVALIDARG;
729 }
730
731 sc->uDefaultLanguage = LANG_ENGLISH;
732 sc->fContextDigits = 0;
733 ss->fDigitSubstitute = 0;
734
735 switch (sds->DigitSubstitute) {
736 case SCRIPT_DIGITSUBSTITUTE_CONTEXT:
737 case SCRIPT_DIGITSUBSTITUTE_NATIONAL:
738 case SCRIPT_DIGITSUBSTITUTE_NONE:
739 case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL:
740 return S_OK;
741 default:
742 return E_INVALIDARG;
743 }
744 }
745
746 /***********************************************************************
747 * ScriptItemizeOpenType (USP10.@)
748 *
749 * Split a Unicode string into shapeable parts.
750 *
751 * PARAMS
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.
760 *
761 * RETURNS
762 * Success: S_OK
763 * Failure: Non-zero HRESULT value.
764 */
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)
768 {
769
770 #define Numeric_space 0x0020
771 #define ZWNJ 0x200C
772 #define ZWJ 0x200D
773
774 int cnt = 0, index = 0, str = 0;
775 int New_Script = SCRIPT_UNDEFINED;
776 WORD *levels = NULL;
777 WORD *strength = NULL;
778 WORD baselevel = 0;
779
780 TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems,
781 psControl, psState, pItems, pcItems);
782
783 if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2)
784 return E_INVALIDARG;
785
786 if (psState && psControl)
787 {
788 int i;
789 levels = heap_alloc_zero(cInChars * sizeof(WORD));
790 if (!levels)
791 return E_OUTOFMEMORY;
792
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])
797 break;
798 if (i >= cInChars && !odd(baselevel))
799 {
800 heap_free(levels);
801 levels = NULL;
802 }
803 else
804 {
805 if (!psControl->fMergeNeutralItems)
806 {
807 strength = heap_alloc_zero(cInChars * sizeof(WORD));
808 BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength);
809 }
810 }
811 }
812
813 while ((pwcInChars[cnt] == Numeric_space || pwcInChars[cnt] == ZWJ || pwcInChars[cnt] == ZWNJ) && cnt < cInChars)
814 cnt++;
815
816 if (cnt == cInChars) /* All Spaces */
817 {
818 cnt = 0;
819 New_Script = get_char_script(pwcInChars[cnt]);
820 }
821
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;
825
826 if (strength)
827 str = strength[cnt];
828
829 cnt = 0;
830 if (levels)
831 {
832 pItems[index].a.fRTL = odd(levels[cnt]);
833 pItems[index].a.fLayoutRTL = odd(levels[cnt]);
834 pItems[index].a.s.uBidiLevel = levels[cnt];
835 }
836 else if (!pItems[index].a.s.uBidiLevel)
837 {
838 pItems[index].a.s.uBidiLevel = baselevel;
839 pItems[index].a.fLayoutRTL = odd(baselevel);
840 pItems[index].a.fRTL = odd(baselevel);
841 }
842
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);
846
847 for (cnt=1; cnt < cInChars; cnt++)
848 {
849 if (levels && (levels[cnt] == pItems[index].a.s.uBidiLevel && (!strength || (strength[cnt] == 0 || strength[cnt] == str))))
850 continue;
851
852 if(pwcInChars[cnt] != Numeric_space && pwcInChars[cnt] != ZWJ && pwcInChars[cnt] != ZWNJ)
853 New_Script = get_char_script(pwcInChars[cnt]);
854 else if (levels)
855 {
856 int j = 1;
857 while (cnt + j < cInChars - 1 && (pwcInChars[cnt+j] == Numeric_space || pwcInChars[cnt+j] == ZWJ || pwcInChars[cnt+j] == ZWNJ))
858 j++;
859 New_Script = get_char_script(pwcInChars[cnt+j]);
860 }
861
862 if ((levels && (levels[cnt] != pItems[index].a.s.uBidiLevel || (strength && (strength[cnt] != str)))) || New_Script != pItems[index].a.eScript || New_Script == Script_Control)
863 {
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);
865
866 if (strength && strength[cnt] != 0)
867 str = strength[cnt];
868
869 index++;
870 if (index+1 > cMaxItems)
871 return E_OUTOFMEMORY;
872
873 pItems[index].iCharPos = cnt;
874 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
875
876 pItems[index].a = scriptInformation[New_Script].a;
877 pScriptTags[index] = scriptInformation[New_Script].scriptTag;
878 if (levels)
879 {
880 pItems[index].a.fRTL = odd(levels[cnt]);
881 pItems[index].a.fLayoutRTL = odd(levels[cnt]);
882 pItems[index].a.s.uBidiLevel = levels[cnt];
883 }
884 else if (!pItems[index].a.s.uBidiLevel)
885 {
886 pItems[index].a.s.uBidiLevel = baselevel;
887 pItems[index].a.fLayoutRTL = odd(baselevel);
888 pItems[index].a.fRTL = odd(baselevel);
889 }
890
891 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
892 }
893 }
894
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 */
898 index++;
899 memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS));
900
901 TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos);
902
903 /* Set one SCRIPT_STATE item being returned */
904 if (index + 1 > cMaxItems) return E_OUTOFMEMORY;
905 if (pcItems) *pcItems = index;
906
907 /* Set SCRIPT_ITEM */
908 pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */
909 heap_free(levels);
910 heap_free(strength);
911 return S_OK;
912 }
913
914 /***********************************************************************
915 * ScriptItemize (USP10.@)
916 *
917 * Split a Unicode string into shapeable parts.
918 *
919 * PARAMS
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.
927 *
928 * RETURNS
929 * Success: S_OK
930 * Failure: Non-zero HRESULT value.
931 */
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)
935 {
936 OPENTYPE_TAG *discarded_tags;
937 HRESULT res;
938
939 discarded_tags = heap_alloc(cMaxItems * sizeof(OPENTYPE_TAG));
940 if (!discarded_tags)
941 return E_OUTOFMEMORY;
942 res = ScriptItemizeOpenType(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, discarded_tags, pcItems);
943 heap_free(discarded_tags);
944 return res;
945 }
946
947 static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x)
948 {
949 int defWidth;
950 int cTabStops=0;
951 INT *lpTabPos = NULL;
952 INT nTabOrg = 0;
953 INT x = 0;
954
955 if (pTabdef)
956 lpTabPos = pTabdef->pTabStops;
957
958 if (pTabdef && pTabdef->iTabOrigin)
959 {
960 if (pTabdef->iScale)
961 nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4;
962 else
963 nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth;
964 }
965
966 if (pTabdef)
967 cTabStops = pTabdef->cTabStops;
968
969 if (cTabStops == 1)
970 {
971 if (pTabdef->iScale)
972 defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4;
973 else
974 defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth;
975 cTabStops = 0;
976 }
977 else
978 defWidth = 8 * psc->tm.tmAveCharWidth;
979
980 for (; cTabStops>0 ; lpTabPos++, cTabStops--)
981 {
982 int position = *lpTabPos;
983 if (position < 0)
984 position = -1 * position;
985 if (pTabdef->iScale)
986 position = (position * pTabdef->iScale) / 4;
987 else
988 position = position * psc->tm.tmAveCharWidth;
989
990 if( nTabOrg + position > current_x)
991 {
992 if( *lpTabPos >= 0)
993 {
994 /* a left aligned tab */
995 x = (nTabOrg + *lpTabPos) - current_x;
996 break;
997 }
998 else
999 {
1000 FIXME("Negative tabstop\n");
1001 break;
1002 }
1003 }
1004 }
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");
1009
1010 return x;
1011 }
1012
1013 /***********************************************************************
1014 * Helper function for ScriptStringAnalyse
1015 */
1016 static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa,
1017 const WCHAR *pwcInChars, int cChars )
1018 {
1019 /* FIXME: When to properly fallback is still a bit of a mystery */
1020 WORD *glyphs;
1021
1022 if (psa->fNoGlyphIndex)
1023 return FALSE;
1024
1025 if (init_script_cache(hdc, psc) != S_OK)
1026 return FALSE;
1027
1028 if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK)
1029 return TRUE;
1030
1031 glyphs = heap_alloc(sizeof(WORD) * cChars);
1032 if (!glyphs)
1033 return FALSE;
1034 if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK)
1035 {
1036 heap_free(glyphs);
1037 return TRUE;
1038 }
1039 heap_free(glyphs);
1040
1041 return FALSE;
1042 }
1043
1044 static void find_fallback_font(DWORD scriptid, LPWSTR FaceName)
1045 {
1046 HKEY hkey;
1047
1048 if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey))
1049 {
1050 static const WCHAR szFmt[] = {'%','x',0};
1051 WCHAR value[10];
1052 DWORD count = LF_FACESIZE * sizeof(WCHAR);
1053 DWORD type;
1054
1055 sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag);
1056 if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count))
1057 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1058 RegCloseKey(hkey);
1059 }
1060 else
1061 lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont);
1062 }
1063
1064 /***********************************************************************
1065 * ScriptStringAnalyse (USP10.@)
1066 *
1067 */
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)
1074 {
1075 HRESULT hr = E_OUTOFMEMORY;
1076 StringAnalysis *analysis = NULL;
1077 SCRIPT_CONTROL sControl;
1078 SCRIPT_STATE sState;
1079 int i, num_items = 255;
1080 BYTE *BidiLevel;
1081 WCHAR *iString = NULL;
1082
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);
1086
1087 if (iCharset != -1)
1088 {
1089 FIXME("Only Unicode strings are supported\n");
1090 return E_INVALIDARG;
1091 }
1092 if (cString < 1 || !pString) return E_INVALIDARG;
1093 if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING;
1094
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;
1097
1098 /* FIXME: handle clipping */
1099 analysis->clip_len = cString;
1100 analysis->hdc = hdc;
1101 analysis->dwFlags = dwFlags;
1102
1103 if (psState)
1104 sState = *psState;
1105 else
1106 memset(&sState, 0, sizeof(SCRIPT_STATE));
1107
1108 if (psControl)
1109 sControl = *psControl;
1110 else
1111 memset(&sControl, 0, sizeof(SCRIPT_CONTROL));
1112
1113 if (dwFlags & SSA_PASSWORD)
1114 {
1115 iString = heap_alloc(sizeof(WCHAR)*cString);
1116 if (!iString)
1117 {
1118 hr = E_OUTOFMEMORY;
1119 goto error;
1120 }
1121 for (i = 0; i < cString; i++)
1122 iString[i] = *((const WCHAR *)pString);
1123 pString = iString;
1124 }
1125
1126 hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem,
1127 &analysis->numItems);
1128
1129 while (hr == E_OUTOFMEMORY)
1130 {
1131 SCRIPT_ITEM *tmp;
1132
1133 num_items *= 2;
1134 if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1)))
1135 goto error;
1136
1137 analysis->pItem = tmp;
1138 hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem,
1139 &analysis->numItems);
1140 }
1141 if (hr != S_OK) goto error;
1142
1143 /* set back to out of memory for default goto error behaviour */
1144 hr = E_OUTOFMEMORY;
1145
1146 if (dwFlags & SSA_BREAK)
1147 {
1148 if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString)))
1149 {
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]);
1152 }
1153 else
1154 goto error;
1155 }
1156
1157 if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
1158 goto error;
1159 if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
1160 goto error;
1161
1162 if (dwFlags & SSA_GLYPHS)
1163 {
1164 int tab_x = 0;
1165 if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
1166 goto error;
1167
1168 for (i = 0; i < analysis->numItems; i++)
1169 {
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;
1181
1182 /* FIXME: non unicode strings */
1183 const WCHAR* pStr = (const WCHAR*)pString;
1184 analysis->glyphs[i].fallbackFont = NULL;
1185
1186 if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc)
1187 {
1188 heap_free (glyphs);
1189 heap_free (pwLogClust);
1190 heap_free (piAdvance);
1191 heap_free (psva);
1192 heap_free (pGoffset);
1193 heap_free (abc);
1194 hr = E_OUTOFMEMORY;
1195 goto error;
1196 }
1197
1198 if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar))
1199 {
1200 LOGFONTW lf;
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)
1206 {
1207 ScriptFreeCache(sc);
1208 originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont);
1209 }
1210 }
1211
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);
1217 if (originalFont)
1218 SelectObject(hdc,originalFont);
1219
1220 if (dwFlags & SSA_TAB)
1221 {
1222 int tabi = 0;
1223 for (tabi = 0; tabi < cChar; tabi++)
1224 {
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];
1228 }
1229 }
1230
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;
1239
1240 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1241 }
1242 }
1243 else
1244 {
1245 for (i = 0; i < analysis->numItems; i++)
1246 BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
1247 }
1248
1249 ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
1250 heap_free(BidiLevel);
1251
1252 *pssa = analysis;
1253 heap_free(iString);
1254 return S_OK;
1255
1256 error:
1257 heap_free(iString);
1258 heap_free(analysis->glyphs);
1259 heap_free(analysis->logattrs);
1260 heap_free(analysis->pItem);
1261 heap_free(analysis->logical2visual);
1262 heap_free(analysis);
1263 return hr;
1264 }
1265
1266 static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction)
1267 {
1268 int i;
1269
1270 if (pva[glyph].fClusterStart)
1271 return TRUE;
1272 for (i = 0; i < cChars; i++)
1273 if (pwLogClust[i] == glyph) break;
1274 if (i != cChars)
1275 return TRUE;
1276
1277 return FALSE;
1278 }
1279
1280
1281 static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa,
1282 int iX,
1283 int iY,
1284 int iItem,
1285 int cStart,
1286 int cEnd,
1287 UINT uOptions,
1288 const RECT *prc,
1289 BOOL fSelected,
1290 BOOL fDisabled)
1291 {
1292 StringAnalysis *analysis;
1293 int off_x = 0;
1294 HRESULT hr;
1295 COLORREF BkColor = 0x0;
1296 COLORREF TextColor = 0x0;
1297 INT BkMode = 0;
1298 INT runStart, runEnd;
1299 INT iGlyph, cGlyphs;
1300 HFONT oldFont = 0x0;
1301
1302 TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n",
1303 ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled);
1304
1305 if (!(analysis = ssa)) return E_INVALIDARG;
1306
1307 if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) ||
1308 (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd))
1309 return S_OK;
1310
1311 if (fSelected)
1312 {
1313 BkMode = GetBkMode(analysis->hdc);
1314 SetBkMode( analysis->hdc, OPAQUE);
1315 BkColor = GetBkColor(analysis->hdc);
1316 SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT));
1317 if (!fDisabled)
1318 {
1319 TextColor = GetTextColor(analysis->hdc);
1320 SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
1321 }
1322 }
1323 if (analysis->glyphs[iItem].fallbackFont)
1324 oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont);
1325
1326 if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart)
1327 runStart = cStart - analysis->pItem[iItem].iCharPos;
1328 else
1329 runStart = 0;
1330 if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd)
1331 runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos;
1332 else
1333 runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1;
1334
1335 if (analysis->pItem[iItem].a.fRTL)
1336 {
1337 if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos)
1338 ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x);
1339 else
1340 ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x);
1341 }
1342 else
1343 {
1344 if (cStart >=0 && runStart)
1345 ScriptStringCPtoX(ssa, cStart, FALSE, &off_x);
1346 else
1347 ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x);
1348 }
1349
1350 if (analysis->pItem[iItem].a.fRTL)
1351 iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd];
1352 else
1353 iGlyph = analysis->glyphs[iItem].pwLogClust[runStart];
1354
1355 if (analysis->pItem[iItem].a.fRTL)
1356 cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph;
1357 else
1358 cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph;
1359
1360 cGlyphs++;
1361
1362 if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo)
1363 {
1364 INT direction;
1365 INT clust_glyph;
1366
1367 clust_glyph = iGlyph + cGlyphs;
1368 if (analysis->pItem[iItem].a.fRTL)
1369 direction = -1;
1370 else
1371 direction = 1;
1372
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))
1375 {
1376 cGlyphs++;
1377 clust_glyph++;
1378 }
1379 }
1380
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]);
1387
1388 TRACE("ScriptTextOut hr=%08x\n", hr);
1389
1390 if (fSelected)
1391 {
1392 SetBkColor(analysis->hdc, BkColor);
1393 SetBkMode( analysis->hdc, BkMode);
1394 if (!fDisabled)
1395 SetTextColor(analysis->hdc, TextColor);
1396 }
1397 if (analysis->glyphs[iItem].fallbackFont)
1398 SelectObject(analysis->hdc, oldFont);
1399
1400 return hr;
1401 }
1402
1403 /***********************************************************************
1404 * ScriptStringOut (USP10.@)
1405 *
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.
1409 *
1410 * Parameters:
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
1419 *
1420 * RETURNS
1421 * Success: S_OK
1422 * Failure: is the value returned by ScriptTextOut
1423 */
1424 HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
1425 int iX,
1426 int iY,
1427 UINT uOptions,
1428 const RECT *prc,
1429 int iMinSel,
1430 int iMaxSel,
1431 BOOL fDisabled)
1432 {
1433 StringAnalysis *analysis;
1434 int item;
1435 HRESULT hr;
1436
1437 TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n",
1438 ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled);
1439
1440 if (!(analysis = ssa)) return E_INVALIDARG;
1441 if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG;
1442
1443 for (item = 0; item < analysis->numItems; item++)
1444 {
1445 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled);
1446 if (FAILED(hr))
1447 return hr;
1448 }
1449
1450 if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0))
1451 {
1452 if (iMaxSel > 0 && iMinSel < 0)
1453 iMinSel = 0;
1454 for (item = 0; item < analysis->numItems; item++)
1455 {
1456 hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled);
1457 if (FAILED(hr))
1458 return hr;
1459 }
1460 }
1461
1462 return S_OK;
1463 }
1464
1465 /***********************************************************************
1466 * ScriptStringCPtoX (USP10.@)
1467 *
1468 */
1469 HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
1470 {
1471 int item;
1472 int runningX = 0;
1473 StringAnalysis* analysis = ssa;
1474
1475 TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
1476
1477 if (!ssa || !pX) return S_FALSE;
1478 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1479
1480 /* icp out of range */
1481 if(icp < 0)
1482 {
1483 analysis->invalid = TRUE;
1484 return E_INVALIDARG;
1485 }
1486
1487 for(item=0; item<analysis->numItems; item++)
1488 {
1489 int CP, i;
1490 int offset;
1491
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)
1496 {
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);
1501 else
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);
1505 }
1506
1507 if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
1508 {
1509 runningX += analysis->glyphs[i].iMaxPosX;
1510 continue;
1511 }
1512
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);
1517 runningX += offset;
1518
1519 *pX = runningX;
1520 return S_OK;
1521 }
1522
1523 /* icp out of range */
1524 analysis->invalid = TRUE;
1525 return E_INVALIDARG;
1526 }
1527
1528 /***********************************************************************
1529 * ScriptStringXtoCP (USP10.@)
1530 *
1531 */
1532 HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
1533 {
1534 StringAnalysis* analysis = ssa;
1535 int item;
1536
1537 TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
1538
1539 if (!ssa || !piCh || !piTrailing) return S_FALSE;
1540 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
1541
1542 /* out of range */
1543 if(iX < 0)
1544 {
1545 if (analysis->pItem[0].a.fRTL)
1546 {
1547 *piCh = 1;
1548 *piTrailing = FALSE;
1549 }
1550 else
1551 {
1552 *piCh = -1;
1553 *piTrailing = TRUE;
1554 }
1555 return S_OK;
1556 }
1557
1558 for(item=0; item<analysis->numItems; item++)
1559 {
1560 int i;
1561 int CP;
1562
1563 for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
1564 /* nothing */;
1565
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)
1569 {
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);
1574 else
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);
1578 }
1579
1580 if (iX > analysis->glyphs[i].iMaxPosX)
1581 {
1582 iX -= analysis->glyphs[i].iMaxPosX;
1583 continue;
1584 }
1585
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;
1590
1591 return S_OK;
1592 }
1593
1594 /* out of range */
1595 *piCh = analysis->pItem[analysis->numItems].iCharPos;
1596 *piTrailing = FALSE;
1597
1598 return S_OK;
1599 }
1600
1601
1602 /***********************************************************************
1603 * ScriptStringFree (USP10.@)
1604 *
1605 * Free a string analysis.
1606 *
1607 * PARAMS
1608 * pssa [I] string analysis.
1609 *
1610 * RETURNS
1611 * Success: S_OK
1612 * Failure: Non-zero HRESULT value.
1613 */
1614 HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
1615 {
1616 StringAnalysis* analysis;
1617 BOOL invalid;
1618 int i;
1619
1620 TRACE("(%p)\n", pssa);
1621
1622 if (!pssa || !(analysis = *pssa)) return E_INVALIDARG;
1623
1624 invalid = analysis->invalid;
1625
1626 if (analysis->glyphs)
1627 {
1628 for (i = 0; i < analysis->numItems; i++)
1629 {
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);
1640 }
1641 heap_free(analysis->glyphs);
1642 }
1643
1644 heap_free(analysis->pItem);
1645 heap_free(analysis->logattrs);
1646 heap_free(analysis->sz);
1647 heap_free(analysis->logical2visual);
1648 heap_free(analysis);
1649
1650 if (invalid) return E_INVALIDARG;
1651 return S_OK;
1652 }
1653
1654 static inline int get_cluster_size(const WORD *pwLogClust, int cChars, int item,
1655 int direction, int* iCluster, int *check_out)
1656 {
1657 int clust_size = 1;
1658 int check;
1659 WORD clust = pwLogClust[item];
1660
1661 for (check = item+direction; check < cChars && check >= 0; check+=direction)
1662 {
1663 if (pwLogClust[check] == clust)
1664 {
1665 clust_size ++;
1666 if (iCluster && *iCluster == -1)
1667 *iCluster = item;
1668 }
1669 else break;
1670 }
1671
1672 if (check_out)
1673 *check_out = check;
1674
1675 return clust_size;
1676 }
1677
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)
1679 {
1680 int advance;
1681 int log_clust_max = 0;
1682 int i;
1683
1684 advance = piAdvance[glyph];
1685
1686 for (i = 0; i < cChars; i++)
1687 {
1688 if (pwLogClust[i] > log_clust_max)
1689 log_clust_max = pwLogClust[i];
1690 }
1691
1692 if (glyph > log_clust_max)
1693 return advance;
1694
1695 for (glyph+=direction; glyph < cGlyphs && glyph >= 0; glyph +=direction)
1696 {
1697
1698 if (does_glyph_start_cluster(pva, pwLogClust, cChars, glyph, direction))
1699 break;
1700 if (glyph > log_clust_max)
1701 break;
1702 advance += piAdvance[glyph];
1703 }
1704
1705 return advance;
1706 }
1707
1708 /***********************************************************************
1709 * ScriptCPtoX (USP10.@)
1710 *
1711 */
1712 HRESULT WINAPI ScriptCPtoX(int iCP,
1713 BOOL fTrailing,
1714 int cChars,
1715 int cGlyphs,
1716 const WORD *pwLogClust,
1717 const SCRIPT_VISATTR *psva,
1718 const int *piAdvance,
1719 const SCRIPT_ANALYSIS *psa,
1720 int *piX)
1721 {
1722 int item;
1723 float iPosX;
1724 int iSpecial = -1;
1725 int iCluster = -1;
1726 int clust_size = 1;
1727 float special_size = 0.0;
1728 int iMaxPos = 0;
1729 int advance = 0;
1730 BOOL rtl = FALSE;
1731
1732 TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n",
1733 iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance,
1734 psa, piX);
1735
1736 if (psa->fRTL && ! psa->fLogicalOrder)
1737 rtl = TRUE;
1738
1739 if (fTrailing)
1740 iCP++;
1741
1742 if (rtl)
1743 {
1744 int max_clust = pwLogClust[0];
1745
1746 for (item=0; item < cGlyphs; item++)
1747 if (pwLogClust[item] > max_clust)
1748 {
1749 ERR("We do not handle non reversed clusters properly\n");
1750 break;
1751 }
1752
1753 iMaxPos = 0;
1754 for (item = max_clust; item >=0; item --)
1755 iMaxPos += piAdvance[item];
1756 }
1757
1758 iPosX = 0.0;
1759 for (item=0; item < iCP && item < cChars; item++)
1760 {
1761 if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item)))
1762 {
1763 int check;
1764 int clust = pwLogClust[item];
1765
1766 iCluster = -1;
1767 clust_size = get_cluster_size(pwLogClust, cChars, item, 1, &iCluster,
1768 &check);
1769
1770 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, 1);
1771
1772 if (check >= cChars && !iMaxPos)
1773 {
1774 for (check = clust; check < cChars; check++)
1775 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, 1);
1776 iSpecial = item;
1777 special_size /= (cChars - item);
1778 iPosX += special_size;
1779 }
1780 else
1781 {
1782 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1783 {
1784 clust_size --;
1785 if (clust_size == 0)
1786 iPosX += advance;
1787 }
1788 else
1789 iPosX += advance / (float)clust_size;
1790 }
1791 }
1792 else if (iSpecial != -1)
1793 iPosX += special_size;
1794 else /* (iCluster != -1) */
1795 {
1796 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], 1);
1797 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1798 {
1799 clust_size --;
1800 if (clust_size == 0)
1801 iPosX += adv;
1802 }
1803 else
1804 iPosX += adv / (float)clust_size;
1805 }
1806 }
1807
1808 if (iMaxPos > 0)
1809 {
1810 iPosX = iMaxPos - iPosX;
1811 if (iPosX < 0)
1812 iPosX = 0;
1813 }
1814
1815 *piX = iPosX;
1816 TRACE("*piX=%d\n", *piX);
1817 return S_OK;
1818 }
1819
1820 /***********************************************************************
1821 * ScriptXtoCP (USP10.@)
1822 *
1823 */
1824 HRESULT WINAPI ScriptXtoCP(int iX,
1825 int cChars,
1826 int cGlyphs,
1827 const WORD *pwLogClust,
1828 const SCRIPT_VISATTR *psva,
1829 const int *piAdvance,
1830 const SCRIPT_ANALYSIS *psa,
1831 int *piCP,
1832 int *piTrailing)
1833 {
1834 int item;
1835 float iPosX;
1836 float iLastPosX;
1837 int iSpecial = -1;
1838 int iCluster = -1;
1839 int clust_size = 1;
1840 int cjump = 0;
1841 int advance;
1842 float special_size = 0.0;
1843 int direction = 1;
1844
1845 TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n",
1846 iX, cChars, cGlyphs, pwLogClust, psva, piAdvance,
1847 psa, piCP, piTrailing);
1848
1849 if (psa->fRTL && ! psa->fLogicalOrder)
1850 direction = -1;
1851
1852 if (direction<0)
1853 {
1854 int max_clust = pwLogClust[0];
1855
1856 if (iX < 0)
1857 {
1858 *piCP = cChars;
1859 *piTrailing = 0;
1860 return S_OK;
1861 }
1862
1863 for (item=0; item < cChars; item++)
1864 if (pwLogClust[item] > max_clust)
1865 {
1866 ERR("We do not handle non reversed clusters properly\n");
1867 break;
1868 }
1869 }
1870
1871 if (iX < 0)
1872 {
1873 *piCP = -1;
1874 *piTrailing = 1;
1875 return S_OK;
1876 }
1877
1878 iPosX = iLastPosX = 0;
1879 if (direction > 0)
1880 item = 0;
1881 else
1882 item = cChars - 1;
1883 for (; iPosX <= iX && item < cChars && item >= 0; item+=direction)
1884 {
1885 iLastPosX = iPosX;
1886 if (iSpecial == -1 &&
1887 (iCluster == -1 ||
1888 (iCluster != -1 &&
1889 ((direction > 0 && iCluster+clust_size <= item) ||
1890 (direction < 0 && iCluster-clust_size >= item))
1891 )
1892 )
1893 )
1894 {
1895 int check;
1896 int clust = pwLogClust[item];
1897
1898 iCluster = -1;
1899 cjump = 0;
1900 clust_size = get_cluster_size(pwLogClust, cChars, item, direction,
1901 &iCluster, &check);
1902 advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, direction);
1903
1904 if (check >= cChars && direction > 0)
1905 {
1906 for (check = clust; check < cChars; check++)
1907 special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, direction);
1908 iSpecial = item;
1909 special_size /= (cChars - item);
1910 iPosX += special_size;
1911 }
1912 else
1913 {
1914 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1915 {
1916 if (!cjump)
1917 iPosX += advance;
1918 cjump++;
1919 }
1920 else
1921 iPosX += advance / (float)clust_size;
1922 }
1923 }
1924 else if (iSpecial != -1)
1925 iPosX += special_size;
1926 else /* (iCluster != -1) */
1927 {
1928 int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], direction);
1929 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo)
1930 {
1931 if (!cjump)
1932 iPosX += adv;
1933 cjump++;
1934 }
1935 else
1936 iPosX += adv / (float)clust_size;
1937 }
1938 }
1939
1940 if (direction > 0)
1941 {
1942 if (iPosX > iX)
1943 item--;
1944 if (item < cChars && ((iPosX - iLastPosX) / 2.0) + iX >= iPosX)
1945 {
1946 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
1947 item+=(clust_size-1);
1948 *piTrailing = 1;
1949 }
1950 else
1951 *piTrailing = 0;
1952 }
1953 else
1954 {
1955 if (iX == iLastPosX)
1956 item++;
1957 if (iX >= iLastPosX && iX <= iPosX)
1958 item++;
1959
1960 if (iLastPosX == iX)
1961 *piTrailing = 0;
1962 else if (item < 0 || ((iLastPosX - iPosX) / 2.0) + iX <= iLastPosX)
1963 {
1964 if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1)
1965 item-=(clust_size-1);
1966 *piTrailing = 1;
1967 }
1968 else
1969 *piTrailing = 0;
1970 }
1971
1972 *piCP = item;
1973
1974 TRACE("*piCP=%d\n", *piCP);
1975 TRACE("*piTrailing=%d\n", *piTrailing);
1976 return S_OK;
1977 }
1978
1979 /***********************************************************************
1980 * ScriptBreak (USP10.@)
1981 *
1982 * Retrieve line break information.
1983 *
1984 * PARAMS
1985 * chars [I] Array of characters.
1986 * sa [I] String analysis.
1987 * la [I] Array of logical attribute structures.
1988 *
1989 * RETURNS
1990 * Success: S_OK
1991 * Failure: S_FALSE
1992 */
1993 HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)
1994 {
1995 TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la);
1996
1997 if (!la) return S_FALSE;
1998
1999 BREAK_line(chars, count, sa, la);
2000
2001 return S_OK;
2002 }
2003
2004 /***********************************************************************
2005 * ScriptIsComplex (USP10.@)
2006 *
2007 * Determine if a string is complex.
2008 *
2009 * PARAMS
2010 * chars [I] Array of characters to test.
2011 * len [I] Length in characters.
2012 * flag [I] Flag.
2013 *
2014 * RETURNS
2015 * Success: S_OK
2016 * Failure: S_FALSE
2017 *
2018 */
2019 HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag)
2020 {
2021 int i;
2022
2023 TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag);
2024
2025 for (i = 0; i < len; i++)
2026 {
2027 int script;
2028
2029 if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39)
2030 return S_OK;
2031
2032 script = get_char_script(chars[i]);
2033 if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))||
2034 (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL)))
2035 return S_OK;
2036 }
2037 return S_FALSE;
2038 }
2039
2040 /***********************************************************************
2041 * ScriptShapeOpenType (USP10.@)
2042 *
2043 * Produce glyphs and visual attributes for a run.
2044 *
2045 * PARAMS
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.
2062 *
2063 * RETURNS
2064 * Success: S_OK
2065 * Failure: Non-zero HRESULT value.
2066 */
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)
2075 {
2076 HRESULT hr;
2077 unsigned int i;
2078 BOOL rtl;
2079
2080 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %d, %d, %p, %p, %p, %p, %p )\n",
2081 hdc, psc, psa,
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);
2085
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);
2088
2089 if (!pOutGlyphProps || !pcGlyphs || !pCharProps) return E_INVALIDARG;
2090 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2091
2092 if (cRanges)
2093 FIXME("Ranges not supported yet\n");
2094
2095 rtl = (psa && !psa->fLogicalOrder && psa->fRTL);
2096
2097 *pcGlyphs = cChars;
2098 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2099 if (!pwLogClust) return E_FAIL;
2100
2101 ((ScriptCache *)*psc)->userScript = tagScript;
2102 ((ScriptCache *)*psc)->userLang = tagLangSys;
2103
2104 /* set fNoGlyphIndex non truetype/opentype fonts */
2105 if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt)
2106 psa->fNoGlyphIndex = TRUE;
2107
2108 /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */
2109 for (i = 0; i < cChars; i++)
2110 {
2111 int idx = 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;
2120
2121 /* FIXME: have the shaping engine set this */
2122 pCharProps[i].fCanGlyphAlone = 0;
2123
2124 pwLogClust[i] = idx;
2125 }
2126
2127 if (psa && !psa->fNoGlyphIndex)
2128 {
2129 WCHAR *rChars;
2130 if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr;
2131
2132 rChars = heap_alloc(sizeof(WCHAR) * cChars);
2133 if (!rChars) return E_OUTOFMEMORY;
2134 for (i = 0; i < cChars; i++)
2135 {
2136 int idx = i;
2137 WCHAR chInput;
2138 if (rtl) idx = cChars - 1 - i;
2139 if (psa->fRTL)
2140 chInput = mirror_char(pwcChars[idx]);
2141 else
2142 chInput = pwcChars[idx];
2143 /* special case for tabs */
2144 if (chInput == 0x0009)
2145 chInput = 0x0020;
2146 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput)))
2147 {
2148 WORD glyph;
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);
2152 }
2153 rChars[i] = chInput;
2154 }
2155
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);
2159 heap_free(rChars);
2160 }
2161 else
2162 {
2163 TRACE("no glyph translation\n");
2164 for (i = 0; i < cChars; i++)
2165 {
2166 int idx = i;
2167 /* No mirroring done here */
2168 if (rtl) idx = cChars - 1 - i;
2169 pwOutGlyphs[i] = pwcChars[idx];
2170 }
2171 }
2172
2173 return S_OK;
2174 }
2175
2176
2177 /***********************************************************************
2178 * ScriptShape (USP10.@)
2179 *
2180 * Produce glyphs and visual attributes for a run.
2181 *
2182 * PARAMS
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.
2193 *
2194 * RETURNS
2195 * Success: S_OK
2196 * Failure: Non-zero HRESULT value.
2197 */
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)
2202 {
2203 HRESULT hr;
2204 int i;
2205 SCRIPT_CHARPROP *charProps;
2206 SCRIPT_GLYPHPROP *glyphProps;
2207
2208 if (!psva || !pcGlyphs) return E_INVALIDARG;
2209 if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
2210
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;
2215
2216 hr = ScriptShapeOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, pwcChars, cChars, cMaxGlyphs, pwLogClust, charProps, pwOutGlyphs, glyphProps, pcGlyphs);
2217
2218 if (SUCCEEDED(hr))
2219 {
2220 for (i = 0; i < *pcGlyphs; i++)
2221 psva[i] = glyphProps[i].sva;
2222 }
2223
2224 heap_free(charProps);
2225 heap_free(glyphProps);
2226
2227 return hr;
2228 }
2229
2230 /***********************************************************************
2231 * ScriptPlaceOpenType (USP10.@)
2232 *
2233 * Produce advance widths for a run.
2234 *
2235 * PARAMS
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.
2254 *
2255 * RETURNS
2256 * Success: S_OK
2257 * Failure: Non-zero HRESULT value.
2258 */
2259
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
2268 )
2269 {
2270 HRESULT hr;
2271 int i;
2272
2273 TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %p, %p, %d, %p, %p, %d, %p %p %p)\n",
2274 hdc, psc, psa,
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,
2278 pGoffset, pABC);
2279
2280 if (!pGlyphProps) return E_INVALIDARG;
2281 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2282 if (!pGoffset) return E_FAIL;
2283
2284 if (cRanges)
2285 FIXME("Ranges not supported yet\n");
2286
2287 ((ScriptCache *)*psc)->userScript = tagScript;
2288 ((ScriptCache *)*psc)->userLang = tagLangSys;
2289
2290 if (pABC) memset(pABC, 0, sizeof(ABC));
2291 for (i = 0; i < cGlyphs; i++)
2292 {
2293 ABC abc;
2294 if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc))
2295 {
2296 if (!hdc) return E_PENDING;
2297 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex)
2298 {
2299 if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE;
2300 }
2301 else
2302 {
2303 INT width;
2304 if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE;
2305 abc.abcB = width;
2306 abc.abcA = abc.abcC = 0;
2307 }
2308 set_cache_glyph_widths(psc, pwGlyphs[i], &abc);
2309 }
2310 if (pABC)
2311 {
2312 pABC->abcA += abc.abcA;
2313 pABC->abcB += abc.abcB;
2314 pABC->abcC += abc.abcC;
2315 }
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;
2319 }
2320
2321 if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
2322 return S_OK;
2323 }
2324
2325 /***********************************************************************
2326 * ScriptPlace (USP10.@)
2327 *
2328 * Produce advance widths for a run.
2329 *
2330 * PARAMS
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.
2340 *
2341 * RETURNS
2342 * Success: S_OK
2343 * Failure: Non-zero HRESULT value.
2344 */
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 )
2348 {
2349 HRESULT hr;
2350 SCRIPT_GLYPHPROP *glyphProps;
2351 int i;
2352
2353 TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa,
2354 piAdvance, pGoffset, pABC);
2355
2356 if (!psva) return E_INVALIDARG;
2357 if (!pGoffset) return E_FAIL;
2358
2359 glyphProps = heap_alloc(sizeof(SCRIPT_GLYPHPROP)*cGlyphs);
2360 if (!glyphProps) return E_OUTOFMEMORY;
2361
2362 for (i = 0; i < cGlyphs; i++)
2363 glyphProps[i].sva = psva[i];
2364
2365 hr = ScriptPlaceOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, NULL, NULL, NULL, 0, pwGlyphs, glyphProps, cGlyphs, piAdvance, pGoffset, pABC);
2366
2367 heap_free(glyphProps);
2368
2369 return hr;
2370 }
2371
2372 /***********************************************************************
2373 * ScriptGetCMap (USP10.@)
2374 *
2375 * Retrieve glyph indices.
2376 *
2377 * PARAMS
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.
2384 *
2385 * RETURNS
2386 * Success: S_OK
2387 * Failure: Non-zero HRESULT value.
2388 */
2389 HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars,
2390 int cChars, DWORD dwFlags, WORD *pwOutGlyphs)
2391 {
2392 HRESULT hr;
2393 int i;
2394
2395 TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
2396 cChars, dwFlags, pwOutGlyphs);
2397
2398 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2399
2400 hr = S_OK;
2401
2402 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2403 {
2404 for (i = 0; i < cChars; i++)
2405 {
2406 WCHAR inChar;
2407 if (dwFlags == SGCM_RTL)
2408 inChar = mirror_char(pwcInChars[i]);
2409 else
2410 inChar = pwcInChars[i];
2411 if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar)))
2412 {
2413 WORD glyph;
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)
2417 {
2418 hr = S_FALSE;
2419 glyph = 0x0;
2420 }
2421 pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph);
2422 }
2423 }
2424 }
2425 else
2426 {
2427 TRACE("no glyph translation\n");
2428 for (i = 0; i < cChars; i++)
2429 {
2430 WCHAR inChar;
2431 if (dwFlags == SGCM_RTL)
2432 inChar = mirror_char(pwcInChars[i]);
2433 else
2434 inChar = pwcInChars[i];
2435 pwOutGlyphs[i] = inChar;
2436 }
2437 }
2438 return hr;
2439 }
2440
2441 /***********************************************************************
2442 * ScriptTextOut (USP10.@)
2443 *
2444 */
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)
2449 {
2450 HRESULT hr = S_OK;
2451
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);
2455
2456 if (!hdc || !psc) return E_INVALIDARG;
2457 if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
2458
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 */
2463
2464 if (psa->fRTL && psa->fLogicalOrder)
2465 {
2466 int i;
2467 WORD *rtlGlyphs;
2468
2469 rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD));
2470 if (!rtlGlyphs)
2471 return E_OUTOFMEMORY;
2472
2473 for (i = 0; i < cGlyphs; i++)
2474 rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i];
2475
2476 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL))
2477 hr = S_FALSE;
2478 heap_free(rtlGlyphs);
2479 }
2480 else
2481 if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
2482 hr = S_FALSE;
2483
2484 return hr;
2485 }
2486
2487 /***********************************************************************
2488 * ScriptCacheGetHeight (USP10.@)
2489 *
2490 * Retrieve the height of the font in the cache.
2491 *
2492 * PARAMS
2493 * hdc [I] Device context.
2494 * psc [I/O] Opaque pointer to a script cache.
2495 * height [O] Receives font height.
2496 *
2497 * RETURNS
2498 * Success: S_OK
2499 * Failure: Non-zero HRESULT value.
2500 */
2501 HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
2502 {
2503 HRESULT hr;
2504
2505 TRACE("(%p, %p, %p)\n", hdc, psc, height);
2506
2507 if (!height) return E_INVALIDARG;
2508 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2509
2510 *height = get_cache_height(psc);
2511 return S_OK;
2512 }
2513
2514 /***********************************************************************
2515 * ScriptGetGlyphABCWidth (USP10.@)
2516 *
2517 * Retrieve the width of a glyph.
2518 *
2519 * PARAMS
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.
2524 *
2525 * RETURNS
2526 * Success: S_OK
2527 * Failure: Non-zero HRESULT value.
2528 */
2529 HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
2530 {
2531 HRESULT hr;
2532
2533 TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
2534
2535 if (!abc) return E_INVALIDARG;
2536 if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
2537
2538 if (!get_cache_glyph_widths(psc, glyph, abc))
2539 {
2540 if (!hdc) return E_PENDING;
2541 if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE))
2542 {
2543 if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE;
2544 }
2545 else
2546 {
2547 INT width;
2548 if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE;
2549 abc->abcB = width;
2550 abc->abcA = abc->abcC = 0;
2551 }
2552 set_cache_glyph_widths(psc, glyph, abc);
2553 }
2554 return S_OK;
2555 }
2556
2557 /***********************************************************************
2558 * ScriptLayout (USP10.@)
2559 *
2560 * Map embedding levels to visual and/or logical order.
2561 *
2562 * PARAMS
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.
2567 *
2568 * RETURNS
2569 * Success: S_OK
2570 * Failure: Non-zero HRESULT value.
2571 *
2572 * BUGS
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.
2576 */
2577 HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis)
2578 {
2579 int* indexs;
2580 int ich;
2581
2582 TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis);
2583
2584 if (!level || (!vistolog && !logtovis))
2585 return E_INVALIDARG;
2586
2587 indexs = heap_alloc(sizeof(int) * runs);
2588 if (!indexs)
2589 return E_OUTOFMEMORY;
2590
2591
2592 if (vistolog)
2593 {
2594 for( ich = 0; ich < runs; ich++)
2595 indexs[ich] = ich;
2596
2597 ich = 0;
2598 while (ich < runs)
2599 ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
2600 for (ich = 0; ich < runs; ich++)
2601 vistolog[ich] = indexs[ich];
2602 }
2603
2604
2605 if (logtovis)
2606 {
2607 for( ich = 0; ich < runs; ich++)
2608 indexs[ich] = ich;
2609
2610 ich = 0;
2611 while (ich < runs)
2612 ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE);
2613 for (ich = 0; ich < runs; ich++)
2614 logtovis[ich] = indexs[ich];
2615 }
2616 heap_free(indexs);
2617
2618 return S_OK;
2619 }
2620
2621 /***********************************************************************
2622 * ScriptStringGetLogicalWidths (USP10.@)
2623 *
2624 * Returns logical widths from a string analysis.
2625 *
2626 * PARAMS
2627 * ssa [I] string analysis.
2628 * piDx [O] logical widths returned.
2629 *
2630 * RETURNS
2631 * Success: S_OK
2632 * Failure: a non-zero HRESULT.
2633 */
2634 HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx)
2635 {
2636 int i, j, next = 0;
2637 StringAnalysis *analysis = ssa;
2638
2639 TRACE("%p, %p\n", ssa, piDx);
2640
2641 if (!analysis) return S_FALSE;
2642 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2643
2644 for (i = 0; i < analysis->numItems; i++)
2645 {
2646 int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
2647 int direction = 1;
2648
2649 if (analysis->pItem[i].a.fRTL && ! analysis->pItem[i].a.fLogicalOrder)
2650 direction = -1;
2651
2652 for (j = 0; j < cChar; j++)
2653 {
2654 int k;
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);
2659
2660 for (k = 0; k < clust_size; k++)
2661 {
2662 piDx[next] = advance / clust_size;
2663 next++;
2664 if (k) j++;
2665 }
2666 }
2667 }
2668 return S_OK;
2669 }
2670
2671 /***********************************************************************
2672 * ScriptStringValidate (USP10.@)
2673 *
2674 * Validate a string analysis.
2675 *
2676 * PARAMS
2677 * ssa [I] string analysis.
2678 *
2679 * RETURNS
2680 * Success: S_OK
2681 * Failure: S_FALSE if invalid sequences are found
2682 * or a non-zero HRESULT if it fails.
2683 */
2684 HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa)
2685 {
2686 StringAnalysis *analysis = ssa;
2687
2688 TRACE("(%p)\n", ssa);
2689
2690 if (!analysis) return E_INVALIDARG;
2691 return (analysis->invalid) ? S_FALSE : S_OK;
2692 }
2693
2694 /***********************************************************************
2695 * ScriptString_pSize (USP10.@)
2696 *
2697 * Retrieve width and height of an analysed string.
2698 *
2699 * PARAMS
2700 * ssa [I] string analysis.
2701 *
2702 * RETURNS
2703 * Success: Pointer to a SIZE structure.
2704 * Failure: NULL
2705 */
2706 const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa)
2707 {
2708 int i, j;
2709 StringAnalysis *analysis = ssa;
2710
2711 TRACE("(%p)\n", ssa);
2712
2713 if (!analysis) return NULL;
2714 if (!(analysis->dwFlags & SSA_GLYPHS)) return NULL;
2715
2716 if (!analysis->sz)
2717 {
2718 if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL;
2719 analysis->sz->cy = analysis->glyphs[0].sc->tm.tmHeight;
2720
2721 analysis->sz->cx = 0;
2722 for (i = 0; i < analysis->numItems; i++)
2723 {
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];
2728 }
2729 }
2730 return analysis->sz;
2731 }
2732
2733 /***********************************************************************
2734 * ScriptString_pLogAttr (USP10.@)
2735 *
2736 * Retrieve logical attributes of an analysed string.
2737 *
2738 * PARAMS
2739 * ssa [I] string analysis.
2740 *
2741 * RETURNS
2742 * Success: Pointer to an array of SCRIPT_LOGATTR structures.
2743 * Failure: NULL
2744 */
2745 const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa)
2746 {
2747 StringAnalysis *analysis = ssa;
2748
2749 TRACE("(%p)\n", ssa);
2750
2751 if (!analysis) return NULL;
2752 if (!(analysis->dwFlags & SSA_BREAK)) return NULL;
2753 return analysis->logattrs;
2754 }
2755
2756 /***********************************************************************
2757 * ScriptString_pcOutChars (USP10.@)
2758 *
2759 * Retrieve the length of a string after clipping.
2760 *
2761 * PARAMS
2762 * ssa [I] String analysis.
2763 *
2764 * RETURNS
2765 * Success: Pointer to the length.
2766 * Failure: NULL
2767 */
2768 const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa)
2769 {
2770 StringAnalysis *analysis = ssa;
2771
2772 TRACE("(%p)\n", ssa);
2773
2774 if (!analysis) return NULL;
2775 return &analysis->clip_len;
2776 }
2777
2778 /***********************************************************************
2779 * ScriptStringGetOrder (USP10.@)
2780 *
2781 * Retrieve a glyph order map.
2782 *
2783 * PARAMS
2784 * ssa [I] String analysis.
2785 * order [I/O] Array of glyph positions.
2786 *
2787 * RETURNS
2788 * Success: S_OK
2789 * Failure: a non-zero HRESULT.
2790 */
2791 HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order)
2792 {
2793 int i, j;
2794 unsigned int k;
2795 StringAnalysis *analysis = ssa;
2796
2797 TRACE("(%p)\n", ssa);
2798
2799 if (!analysis) return S_FALSE;
2800 if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE;
2801
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++)
2805 order[k] = k;
2806
2807 return S_OK;
2808 }
2809
2810 /***********************************************************************
2811 * ScriptGetLogicalWidths (USP10.@)
2812 *
2813 * Convert advance widths to logical widths.
2814 *
2815 * PARAMS
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.
2823 *
2824 * RETURNS
2825 * Success: S_OK
2826 * Failure: a non-zero HRESULT.
2827 */
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)
2831 {
2832 int i;
2833
2834 TRACE("(%p, %d, %d, %p, %p, %p, %p)\n",
2835 sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths);
2836
2837 /* FIXME */
2838 for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i];
2839 return S_OK;
2840 }
2841
2842 /***********************************************************************
2843 * ScriptApplyLogicalWidth (USP10.@)
2844 *
2845 * Generate glyph advance widths.
2846 *
2847 * PARAMS
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.
2857 *
2858 * RETURNS
2859 * Success: S_OK
2860 * Failure: a non-zero HRESULT.
2861 */
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)
2866 {
2867 int i;
2868
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);
2871
2872 for (i = 0; i < num_chars; i++) justify[i] = advance[i];
2873 return S_OK;
2874 }
2875
2876 HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance,
2877 int num_glyphs, int dx, int min_kashida, int *justify)
2878 {
2879 int i;
2880
2881 FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify);
2882
2883 for (i = 0; i < num_glyphs; i++) justify[i] = advance[i];
2884 return S_OK;
2885 }
Maarten's multimedia branch