/* * Implementation of Uniscribe Script Processor (usp10.dll) * * Copyright 2005 Steven Edwards for CodeWeavers * Copyright 2006 Hans Leidekker * Copyright 2010 CodeWeavers, Aric Stewart * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * Notes: * Uniscribe allows for processing of complex scripts such as joining * and filtering characters and bi-directional text with custom line breaks. */ #include #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "winnls.h" #include "winreg.h" #include "usp10.h" #include "usp10_internal.h" #include "wine/debug.h" #include "wine/unicode.h" WINE_DEFAULT_DEBUG_CHANNEL(uniscribe); typedef struct _scriptRange { WORD script; WORD rangeFirst; WORD rangeLast; WORD numericScript; WORD punctScript; } scriptRange; static const scriptRange scriptRanges[] = { /* Basic Latin: U+0000–U+007A */ /* Latin-1 Supplement: U+0080–U+00FF */ /* Latin Extended-A: U+0100–U+017F */ /* Latin Extended-B: U+0180–U+024F */ /* IPA Extensions: U+0250–U+02AF */ { Script_Latin, 0x00, 0x2af , Script_Numeric, Script_Punctuation}, /* Greek: U+0370–U+03FF */ { Script_Greek, 0x370, 0x3ff, 0, 0}, /* Cyrillic: U+0400–U+04FF */ /* Cyrillic Supplement: U+0500–U+052F */ { Script_Cyrillic, 0x400, 0x52f, 0, 0}, /* Armenian: U+0530–U+058F */ { Script_Armenian, 0x530, 0x58f, 0, 0}, /* Hebrew: U+0590–U+05FF */ { Script_Hebrew, 0x590, 0x5ff, 0, 0}, /* Arabic: U+0600–U+06FF */ { Script_Arabic, 0x600, 0x6ef, Script_Arabic_Numeric, 0}, /* Defined by Windows */ { Script_Persian, 0x6f0, 0x6f9, 0, 0}, /* Continue Arabic: U+0600–U+06FF */ { Script_Arabic, 0x6fa, 0x6ff, 0, 0}, /* Syriac: U+0700–U+074F*/ { Script_Syriac, 0x700, 0x74f, 0, 0}, /* Arabic Supplement: U+0750–U+077F */ { Script_Arabic, 0x750, 0x77f, 0, 0}, /* Thaana: U+0780–U+07BF */ { Script_Thaana, 0x780, 0x7bf, 0, 0}, /* Devanagari: U+0900–U+097F */ { Script_Devanagari, 0x900, 0x97f, Script_Devanagari_Numeric, 0}, /* Bengali: U+0980–U+09FF */ { Script_Bengali, 0x980, 0x9ff, Script_Bengali_Numeric, 0}, /* Gurmukhi: U+0A00–U+0A7F*/ { Script_Gurmukhi, 0xa00, 0xa7f, Script_Gurmukhi_Numeric, 0}, /* Gujarati: U+0A80–U+0AFF*/ { Script_Gujarati, 0xa80, 0xaff, Script_Gujarati_Numeric, 0}, /* Oriya: U+0B00–U+0B7F */ { Script_Oriya, 0xb00, 0xb7f, Script_Oriya_Numeric, 0}, /* Tamil: U+0B80–U+0BFF */ { Script_Tamil, 0xb80, 0xbff, Script_Tamil_Numeric, 0}, /* Telugu: U+0C00–U+0C7F */ { Script_Telugu, 0xc00, 0xc7f, Script_Telugu_Numeric, 0}, /* Kannada: U+0C80–U+0CFF */ { Script_Kannada, 0xc80, 0xcff, Script_Kannada_Numeric, 0}, /* Malayalam: U+0D00–U+0D7F */ { Script_Malayalam, 0xd00, 0xd7f, Script_Malayalam_Numeric, 0}, /* Sinhala: U+0D80–U+0DFF */ { Script_Sinhala, 0xd80, 0xdff, 0, 0}, /* Thai: U+0E00–U+0E7F */ { Script_Thai, 0xe00, 0xe7f, Script_Thai_Numeric, 0}, /* Lao: U+0E80–U+0EFF */ { Script_Lao, 0xe80, 0xeff, Script_Lao_Numeric, 0}, /* Tibetan: U+0F00–U+0FFF */ { Script_Tibetan, 0xf00, 0xfff, 0, 0}, /* Georgian: U+10A0–U+10FF */ { Script_Georgian, 0x10a0, 0x10ff, 0, 0}, /* Vedic Extensions: U+1CD0-U+1CFF */ { Script_Devanagari, 0x1cd0, 0x1cff, Script_Devanagari_Numeric, 0}, /* Phonetic Extensions: U+1D00–U+1DBF */ { Script_Latin, 0x1d00, 0x1dbf, 0, 0}, /* Latin Extended Additional: U+1E00–U+1EFF */ { Script_Latin, 0x1e00, 0x1eff, 0, 0}, /* Greek Extended: U+1F00–U+1FFF */ { Script_Greek, 0x1f00, 0x1fff, 0, 0}, /* General Punctuation: U+2000 –U+206f */ /* Superscripts and Subscripts : U+2070 –U+209f */ /* Currency Symbols : U+20a0 –U+20cf */ { Script_Latin, 0x2000, 0x20cf, 0, 0}, /* Letterlike Symbols : U+2100 –U+214f */ /* Number Forms : U+2150 –U+218f */ /* Arrows : U+2190 –U+21ff */ /* Mathematical Operators : U+2200 –U+22ff */ /* Miscellaneous Technical : U+2300 –U+23ff */ /* Control Pictures : U+2400 –U+243f */ /* Optical Character Recognition : U+2440 –U+245f */ /* Enclosed Alphanumerics : U+2460 –U+24ff */ /* Box Drawing : U+2500 –U+25ff */ /* Block Elements : U+2580 –U+259f */ /* Geometric Shapes : U+25a0 –U+25ff */ /* Miscellaneous Symbols : U+2600 –U+26ff */ /* Dingbats : U+2700 –U+27bf */ /* Miscellaneous Mathematical Symbols-A : U+27c0 –U+27ef */ /* Supplemental Arrows-A : U+27f0 –U+27ff */ { Script_Latin, 0x2100, 0x27ff, 0, 0}, /* Supplemental Arrows-B : U+2900 –U+297f */ /* Miscellaneous Mathematical Symbols-B : U+2980 –U+29ff */ /* Supplemental Mathematical Operators : U+2a00 –U+2aff */ /* Miscellaneous Symbols and Arrows : U+2b00 –U+2bff */ { Script_Latin, 0x2900, 0x2bff, 0, 0}, /* Latin Extended-C: U+2C60–U+2C7F */ { Script_Latin, 0x2c60, 0x2c7f, 0, 0}, /* Georgian: U+2D00–U+2D2F */ { Script_Georgian, 0x2d00, 0x2d2f, 0, 0}, /* Cyrillic Extended-A: U+2DE0–U+2DFF */ { Script_Cyrillic, 0x2de0, 0x2dff, 0, 0}, /* Cyrillic Extended-B: U+A640–U+A69F */ { Script_Cyrillic, 0xa640, 0xa69f, 0, 0}, /* Modifier Tone Letters: U+A700–U+A71F */ /* Latin Extended-D: U+A720–U+A7FF */ { Script_Latin, 0xa700, 0xa7ff, 0, 0}, /* Phags-pa: U+A840–U+A87F */ { Script_Phags_pa, 0xa840, 0xa87f, 0, 0}, /* Devanagari Extended: U+A8E0-U+A8FF */ { Script_Devanagari, 0xa8e0, 0xa8ff, Script_Devanagari_Numeric, 0}, /* Latin Ligatures: U+FB00–U+FB06 */ { Script_Latin, 0xfb00, 0xfb06, 0, 0}, /* Armenian ligatures U+FB13..U+FB17 */ { Script_Armenian, 0xfb13, 0xfb17, 0, 0}, /* Alphabetic Presentation Forms: U+FB1D–U+FB4F */ { Script_Hebrew, 0xfb1d, 0xfb4f, 0, 0}, /* Arabic Presentation Forms-A: U+FB50–U+FDFF*/ { Script_Arabic, 0xfb50, 0xfdff, 0, 0}, /* Arabic Presentation Forms-B: U+FE70–U+FEFF*/ { Script_Arabic, 0xfe70, 0xfeff, 0, 0}, /* END */ { SCRIPT_UNDEFINED, 0, 0, 0} }; typedef struct _scriptData { SCRIPT_ANALYSIS a; SCRIPT_PROPERTIES props; OPENTYPE_TAG scriptTag; WCHAR fallbackFont[LF_FACESIZE]; } scriptData; /* the must be in order so that the index matches the Script value */ static const scriptData scriptInformation[] = { {{SCRIPT_UNDEFINED, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0x00000000, {0}}, {{Script_Latin, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ENGLISH, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}, MS_MAKE_TAG('l','a','t','n'), {0}}, {{Script_CR, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0x00000000, {0}}, {{Script_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ENGLISH, 1, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0x00000000, {0}}, {{Script_Control, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ENGLISH, 0, 1, 0, 0, ANSI_CHARSET, 1, 0, 0, 0, 0, 0, 1, 0, 0}, 0x00000000, {0}}, {{Script_Punctuation, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_NEUTRAL, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0x00000000, {0}}, {{Script_Arabic, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_ARABIC, 0, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 1, 0}, MS_MAKE_TAG('a','r','a','b'), {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}}, {{Script_Arabic_Numeric, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_ARABIC, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}, MS_MAKE_TAG('a','r','a','b'), {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}}, {{Script_Hebrew, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_HEBREW, 0, 1, 0, 1, HEBREW_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('h','e','b','r'), {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}}, {{Script_Syriac, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_SYRIAC, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 1, 0}, MS_MAKE_TAG('s','y','r','c'), {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}}, {{Script_Persian, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_PERSIAN, 1, 1, 0, 0, ARABIC_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('s','y','r','c'), {'E','s','t','r','a','n','g','e','l','o',' ','E','d','e','s','s','a',0}}, {{Script_Thaana, 1, 1, 0, 0, 0, 0, { 1,0,0,0,0,0,0,0,0,0,0}}, {LANG_DIVEHI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('t','h','a','a'), {'M','V',' ','B','o','l','i',0}}, {{Script_Greek, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_GREEK, 0, 0, 0, 0, GREEK_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('g','r','e','k'), {0}}, {{Script_Cyrillic, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_RUSSIAN, 0, 0, 0, 0, RUSSIAN_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('c','y','r','l'), {0}}, {{Script_Armenian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ARMENIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}, MS_MAKE_TAG('a','r','m','n'), {'S','y','l','f','a','e','n',0}}, {{Script_Georgian, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_GEORGIAN, 0, 0, 0, 0, ANSI_CHARSET, 0, 0, 0, 0, 0, 0, 1, 0, 0}, MS_MAKE_TAG('g','e','o','r'), {'S','y','l','f','a','e','n',0}}, {{Script_Sinhala, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_SINHALESE, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('s','i','n','h'), {'I','s','k','o','o','l','a',' ','P','o','t','a',0}}, {{Script_Tibetan, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TIBETAN, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('t','i','b','t'), {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}}, {{Script_Tibetan_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TIBETAN, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('t','i','b','t'), {'M','i','c','r','o','s','o','f','t',' ','H','i','m','a','l','a','y','a',0}}, {{Script_Phags_pa, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_MONGOLIAN, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('p','h','a','g'), {'M','i','c','r','o','s','o','f','t',' ','P','h','a','g','s','P','a',0}}, {{Script_Thai, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_THAI, 0, 1, 1, 1, THAI_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 1}, MS_MAKE_TAG('t','h','a','i'), {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}}, {{Script_Thai_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_THAI, 1, 1, 0, 0, THAI_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('t','h','a','i'), {'M','i','c','r','o','s','o','f','t',' ','S','a','n','s',' ','S','e','r','i','f',0}}, {{Script_Lao, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_LAO, 0, 1, 1, 1, DEFAULT_CHARSET, 0, 0, 1, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('l','a','o',' '), {'D','o','k','C','h','a','m','p','a',0}}, {{Script_Lao_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_LAO, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('l','a','o',' '), {'D','o','k','C','h','a','m','p','a',0}}, {{Script_Devanagari, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_HINDI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('d','e','v','a'), {'M','a','n','g','a','l',0}}, {{Script_Devanagari_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_HINDI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('d','e','v','a'), {'M','a','n','g','a','l',0}}, {{Script_Bengali, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_BENGALI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('b','e','n','g'), {'V','r','i','n','d','a',0}}, {{Script_Bengali_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_BENGALI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('b','e','n','g'), {'V','r','i','n','d','a',0}}, {{Script_Bengali_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_BENGALI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('b','e','n','g'), {'V','r','i','n','d','a',0}}, {{Script_Gurmukhi, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_PUNJABI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('g','u','r','u'), {'R','a','a','v','i',0}}, {{Script_Gurmukhi_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_PUNJABI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('g','u','r','u'), {'R','a','a','v','i',0}}, {{Script_Gujarati, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_GUJARATI, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('g','u','j','r'), {'S','h','r','u','t','i',0}}, {{Script_Gujarati_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_GUJARATI, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('g','u','j','r'), {'S','h','r','u','t','i',0}}, {{Script_Gujarati_Currency, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_GUJARATI, 0, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('g','u','j','r'), {'S','h','r','u','t','i',0}}, {{Script_Oriya, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ORIYA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('o','r','y','a'), {'K','a','l','i','n','g','a',0}}, {{Script_Oriya_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_ORIYA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('o','r','y','a'), {'K','a','l','i','n','g','a',0}}, {{Script_Tamil, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TAMIL, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('t','a','m','l'), {'L','a','t','h','a',0}}, {{Script_Tamil_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TAMIL, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('t','a','m','l'), {'L','a','t','h','a',0}}, {{Script_Telugu, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TELUGU, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('t','e','l','u'), {'G','a','u','t','a','m','i',0}}, {{Script_Telugu_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_TELUGU, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('t','e','l','u'), {'G','a','u','t','a','m','i',0}}, {{Script_Kannada, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_KANNADA, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('k','n','d','a'), {'T','u','n','g','a',0}}, {{Script_Kannada_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_KANNADA, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('k','n','d','a'), {'T','u','n','g','a',0}}, {{Script_Malayalam, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_MALAYALAM, 0, 1, 0, 1, DEFAULT_CHARSET, 0, 0, 0, 0, 1, 0, 0, 0, 0}, MS_MAKE_TAG('m','l','y','m'), {'K','a','r','t','i','k','a',0}}, {{Script_Malayalam_Numeric, 0, 0, 0, 0, 0, 0, { 0,0,0,0,0,0,0,0,0,0,0}}, {LANG_MALAYALAM, 1, 1, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, 0, 0, 0, 0, 0}, MS_MAKE_TAG('m','l','y','m'), {'K','a','r','t','i','k','a',0}}, }; static const SCRIPT_PROPERTIES *script_props[] = { &scriptInformation[0].props, &scriptInformation[1].props, &scriptInformation[2].props, &scriptInformation[3].props, &scriptInformation[4].props, &scriptInformation[5].props, &scriptInformation[6].props, &scriptInformation[7].props, &scriptInformation[8].props, &scriptInformation[9].props, &scriptInformation[10].props, &scriptInformation[11].props, &scriptInformation[12].props, &scriptInformation[13].props, &scriptInformation[14].props, &scriptInformation[15].props, &scriptInformation[16].props, &scriptInformation[17].props, &scriptInformation[18].props, &scriptInformation[19].props, &scriptInformation[20].props, &scriptInformation[21].props, &scriptInformation[22].props, &scriptInformation[23].props, &scriptInformation[24].props, &scriptInformation[25].props, &scriptInformation[26].props, &scriptInformation[27].props, &scriptInformation[28].props, &scriptInformation[29].props, &scriptInformation[30].props, &scriptInformation[31].props, &scriptInformation[32].props, &scriptInformation[33].props, &scriptInformation[34].props, &scriptInformation[35].props, &scriptInformation[36].props, &scriptInformation[37].props, &scriptInformation[38].props, &scriptInformation[39].props, &scriptInformation[40].props, &scriptInformation[41].props, &scriptInformation[42].props, &scriptInformation[43].props }; typedef struct { ScriptCache *sc; int numGlyphs; WORD* glyphs; WORD* pwLogClust; int* piAdvance; SCRIPT_VISATTR* psva; GOFFSET* pGoffset; ABC* abc; int iMaxPosX; HFONT fallbackFont; } StringGlyphs; typedef struct { HDC hdc; DWORD dwFlags; BOOL invalid; int clip_len; int cItems; int cMaxGlyphs; SCRIPT_ITEM* pItem; int numItems; StringGlyphs* glyphs; SCRIPT_LOGATTR* logattrs; SIZE* sz; int* logical2visual; } StringAnalysis; static inline void *heap_alloc(SIZE_T size) { return HeapAlloc(GetProcessHeap(), 0, size); } static inline void *heap_alloc_zero(SIZE_T size) { return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size); } static inline void *heap_realloc_zero(LPVOID mem, SIZE_T size) { return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, size); } static inline BOOL heap_free(LPVOID mem) { return HeapFree(GetProcessHeap(), 0, mem); } static inline WCHAR get_cache_default_char(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->tm.tmDefaultChar; } static inline LONG get_cache_height(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->tm.tmHeight; } static inline BYTE get_cache_pitch_family(SCRIPT_CACHE *psc) { return ((ScriptCache *)*psc)->tm.tmPitchAndFamily; } static inline WORD get_cache_glyph(SCRIPT_CACHE *psc, WCHAR c) { WORD *block = ((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT]; if (!block) return 0; return block[c & GLYPH_BLOCK_MASK]; } static inline WORD set_cache_glyph(SCRIPT_CACHE *psc, WCHAR c, WORD glyph) { WORD **block = &((ScriptCache *)*psc)->glyphs[c >> GLYPH_BLOCK_SHIFT]; if (!*block && !(*block = heap_alloc_zero(sizeof(WORD) * GLYPH_BLOCK_SIZE))) return 0; return ((*block)[c & GLYPH_BLOCK_MASK] = glyph); } static inline BOOL get_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc) { static const ABC nil; ABC *block = ((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT]; if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(ABC))) return FALSE; memcpy(abc, &block[glyph & GLYPH_BLOCK_MASK], sizeof(ABC)); return TRUE; } static inline BOOL set_cache_glyph_widths(SCRIPT_CACHE *psc, WORD glyph, ABC *abc) { ABC **block = &((ScriptCache *)*psc)->widths[glyph >> GLYPH_BLOCK_SHIFT]; if (!*block && !(*block = heap_alloc_zero(sizeof(ABC) * GLYPH_BLOCK_SIZE))) return FALSE; memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], abc, sizeof(ABC)); return TRUE; } static HRESULT init_script_cache(const HDC hdc, SCRIPT_CACHE *psc) { ScriptCache *sc; if (!psc) return E_INVALIDARG; if (*psc) return S_OK; if (!hdc) return E_PENDING; if (!(sc = heap_alloc_zero(sizeof(ScriptCache)))) return E_OUTOFMEMORY; if (!GetTextMetricsW(hdc, &sc->tm)) { heap_free(sc); return E_INVALIDARG; } if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf)) { heap_free(sc); return E_INVALIDARG; } sc->sfnt = (GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, NULL, 0)!=GDI_ERROR); *psc = sc; TRACE("<- %p\n", sc); return S_OK; } static WCHAR mirror_char( WCHAR ch ) { extern const WCHAR wine_mirror_map[]; return ch + wine_mirror_map[wine_mirror_map[ch >> 8] + (ch & 0xff)]; } static WORD get_char_script( WCHAR ch) { WORD type = 0; int i; if (ch == 0xc || ch == 0x20 || ch == 0x202f) return Script_CR; /* These chars are itemized as Punctuation by Windows */ if (ch == 0x2212 || ch == 0x2044 || ch == 0x00a0) return Script_Punctuation; GetStringTypeW(CT_CTYPE1, &ch, 1, &type); if (type == 0) return SCRIPT_UNDEFINED; if (type & C1_CNTRL) return Script_Control; i = 0; do { if (ch < scriptRanges[i].rangeFirst || scriptRanges[i].script == SCRIPT_UNDEFINED) break; if (ch >= scriptRanges[i].rangeFirst && ch <= scriptRanges[i].rangeLast) { if (scriptRanges[i].numericScript && type & C1_DIGIT) return scriptRanges[i].numericScript; if (scriptRanges[i].punctScript && type & C1_PUNCT) return scriptRanges[i].punctScript; return scriptRanges[i].script; } i++; } while (1); return SCRIPT_UNDEFINED; } /*********************************************************************** * DllMain * */ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv) { switch(fdwReason) { case DLL_PROCESS_ATTACH: DisableThreadLibraryCalls(hInstDLL); break; case DLL_PROCESS_DETACH: break; } return TRUE; } /*********************************************************************** * ScriptFreeCache (USP10.@) * * Free a script cache. * * PARAMS * psc [I/O] Script cache. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc) { TRACE("%p\n", psc); if (psc && *psc) { unsigned int i; for (i = 0; i < GLYPH_MAX / GLYPH_BLOCK_SIZE; i++) { heap_free(((ScriptCache *)*psc)->glyphs[i]); heap_free(((ScriptCache *)*psc)->widths[i]); } heap_free(((ScriptCache *)*psc)->GSUB_Table); heap_free(((ScriptCache *)*psc)->GDEF_Table); heap_free(((ScriptCache *)*psc)->features); heap_free(*psc); *psc = NULL; } return S_OK; } /*********************************************************************** * ScriptGetProperties (USP10.@) * * Retrieve a list of script properties. * * PARAMS * props [I] Pointer to an array of SCRIPT_PROPERTIES pointers. * num [I] Pointer to the number of scripts. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. * * NOTES * Behaviour matches WinXP. */ HRESULT WINAPI ScriptGetProperties(const SCRIPT_PROPERTIES ***props, int *num) { TRACE("(%p,%p)\n", props, num); if (!props && !num) return E_INVALIDARG; if (num) *num = sizeof(script_props)/sizeof(script_props[0]); if (props) *props = script_props; return S_OK; } /*********************************************************************** * ScriptGetFontProperties (USP10.@) * * Get information on special glyphs. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * sfp [O] Font properties structure. */ HRESULT WINAPI ScriptGetFontProperties(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_FONTPROPERTIES *sfp) { HRESULT hr; TRACE("%p,%p,%p\n", hdc, psc, sfp); if (!sfp) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (sfp->cBytes != sizeof(SCRIPT_FONTPROPERTIES)) return E_INVALIDARG; /* return something sensible? */ sfp->wgBlank = 0; sfp->wgDefault = get_cache_default_char(psc); sfp->wgInvalid = 0; sfp->wgKashida = 0xffff; sfp->iKashidaWidth = 0; return S_OK; } /*********************************************************************** * ScriptRecordDigitSubstitution (USP10.@) * * Record digit substitution settings for a given locale. * * PARAMS * locale [I] Locale identifier. * sds [I] Structure to record substitution settings. * * RETURNS * Success: S_OK * Failure: E_POINTER if sds is NULL, E_INVALIDARG otherwise. * * SEE ALSO * http://blogs.msdn.com/michkap/archive/2006/02/22/536877.aspx */ HRESULT WINAPI ScriptRecordDigitSubstitution(LCID locale, SCRIPT_DIGITSUBSTITUTE *sds) { DWORD plgid, sub; TRACE("0x%x, %p\n", locale, sds); /* This implementation appears to be correct for all languages, but it's * not clear if sds->DigitSubstitute is ever set to anything except * CONTEXT or NONE in reality */ if (!sds) return E_POINTER; locale = ConvertDefaultLocale(locale); if (!IsValidLocale(locale, LCID_INSTALLED)) return E_INVALIDARG; plgid = PRIMARYLANGID(LANGIDFROMLCID(locale)); sds->TraditionalDigitLanguage = plgid; if (plgid == LANG_ARABIC || plgid == LANG_FARSI) sds->NationalDigitLanguage = plgid; else sds->NationalDigitLanguage = LANG_ENGLISH; if (!GetLocaleInfoW(locale, LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER, (LPWSTR)&sub, sizeof(sub)/sizeof(WCHAR))) return E_INVALIDARG; switch (sub) { case 0: if (plgid == LANG_ARABIC || plgid == LANG_FARSI) sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_CONTEXT; else sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE; break; case 1: sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NONE; break; case 2: sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_NATIONAL; break; default: sds->DigitSubstitute = SCRIPT_DIGITSUBSTITUTE_TRADITIONAL; break; } sds->dwReserved = 0; return S_OK; } /*********************************************************************** * ScriptApplyDigitSubstitution (USP10.@) * * Apply digit substitution settings. * * PARAMS * sds [I] Structure with recorded substitution settings. * sc [I] Script control structure. * ss [I] Script state structure. * * RETURNS * Success: S_OK * Failure: E_INVALIDARG if sds is invalid. Otherwise an HRESULT. */ HRESULT WINAPI ScriptApplyDigitSubstitution(const SCRIPT_DIGITSUBSTITUTE *sds, SCRIPT_CONTROL *sc, SCRIPT_STATE *ss) { SCRIPT_DIGITSUBSTITUTE psds; TRACE("%p, %p, %p\n", sds, sc, ss); if (!sc || !ss) return E_POINTER; if (!sds) { sds = &psds; if (ScriptRecordDigitSubstitution(LOCALE_USER_DEFAULT, &psds) != S_OK) return E_INVALIDARG; } sc->uDefaultLanguage = LANG_ENGLISH; sc->fContextDigits = 0; ss->fDigitSubstitute = 0; switch (sds->DigitSubstitute) { case SCRIPT_DIGITSUBSTITUTE_CONTEXT: case SCRIPT_DIGITSUBSTITUTE_NATIONAL: case SCRIPT_DIGITSUBSTITUTE_NONE: case SCRIPT_DIGITSUBSTITUTE_TRADITIONAL: return S_OK; default: return E_INVALIDARG; } } static inline BOOL is_indic(WORD script) { return (script >= Script_Devanagari && script <= Script_Malayalam_Numeric); } static inline WORD base_indic(WORD script) { switch (script) { case Script_Devanagari: case Script_Devanagari_Numeric: return Script_Devanagari; case Script_Bengali: case Script_Bengali_Numeric: case Script_Bengali_Currency: return Script_Bengali; case Script_Gurmukhi: case Script_Gurmukhi_Numeric: return Script_Gurmukhi; case Script_Gujarati: case Script_Gujarati_Numeric: case Script_Gujarati_Currency: return Script_Gujarati; case Script_Oriya: case Script_Oriya_Numeric: return Script_Oriya; case Script_Tamil: case Script_Tamil_Numeric: return Script_Tamil; case Script_Telugu: case Script_Telugu_Numeric: return Script_Telugu; case Script_Kannada: case Script_Kannada_Numeric: return Script_Kannada; case Script_Malayalam: case Script_Malayalam_Numeric: return Script_Malayalam; default: return -1; }; } /*********************************************************************** * ScriptItemizeOpenType (USP10.@) * * Split a Unicode string into shapeable parts. * * PARAMS * pwcInChars [I] String to split. * cInChars [I] Number of characters in pwcInChars. * cMaxItems [I] Maximum number of items to return. * psControl [I] Pointer to a SCRIPT_CONTROL structure. * psState [I] Pointer to a SCRIPT_STATE structure. * pItems [O] Buffer to receive SCRIPT_ITEM structures. * pScriptTags [O] Buffer to receive OPENTYPE_TAGs. * pcItems [O] Number of script items returned. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptItemizeOpenType(const WCHAR *pwcInChars, int cInChars, int cMaxItems, const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState, SCRIPT_ITEM *pItems, OPENTYPE_TAG *pScriptTags, int *pcItems) { #define Numeric_space 0x0020 #define ZWNJ 0x200C #define ZWJ 0x200D int cnt = 0, index = 0, str = 0; int New_Script = -1; int i; WORD *levels = NULL; WORD *strength = NULL; WORD *scripts = NULL; WORD baselevel = 0; BOOL new_run; WORD last_indic = -1; WORD layoutRTL = 0; TRACE("%s,%d,%d,%p,%p,%p,%p\n", debugstr_wn(pwcInChars, cInChars), cInChars, cMaxItems, psControl, psState, pItems, pcItems); if (!pwcInChars || !cInChars || !pItems || cMaxItems < 2) return E_INVALIDARG; scripts = heap_alloc(cInChars * sizeof(WORD)); if (!scripts) return E_OUTOFMEMORY; for (i = 0; i < cInChars; i++) { scripts[i] = get_char_script(pwcInChars[i]); /* Devanagari danda (U+0964) and double danda (U+0965) are used for all Indic scripts */ if ((pwcInChars[i] == 0x964 || pwcInChars[i] ==0x965) && last_indic > 0) scripts[i] = last_indic; else if (is_indic(scripts[i])) last_indic = base_indic(scripts[i]); } if (psState && psControl) { levels = heap_alloc_zero(cInChars * sizeof(WORD)); if (!levels) { heap_free(scripts); return E_OUTOFMEMORY; } BIDI_DetermineLevels(pwcInChars, cInChars, psState, psControl, levels); baselevel = levels[0]; for (i = 0; i < cInChars; i++) if (levels[i]!=levels[0]) break; if (i >= cInChars && !odd(baselevel) && !odd(psState->uBidiLevel)) { heap_free(levels); levels = NULL; } else { BOOL inNumber = FALSE; static WCHAR math_punc[] = {'#','$','%','+',',','-','.','/',':',0x2212, 0x2044, 0x00a0,0}; strength = heap_alloc_zero(cInChars * sizeof(WORD)); if (!strength) { heap_free(scripts); heap_free(levels); return E_OUTOFMEMORY; } BIDI_GetStrengths(pwcInChars, cInChars, psControl, strength); /* Script_Numeric and select puncuation at level 0 get bumped to level 2 */ for (i = 0; i < cInChars; i++) { if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && inNumber && strchrW(math_punc,pwcInChars[i])) { scripts[i] = Script_Numeric; levels[i] = 2; } else if ((levels[i] == 0 || (odd(psState->uBidiLevel) && levels[i] == psState->uBidiLevel+1)) && scripts[i] == Script_Numeric) { levels[i] = 2; inNumber = TRUE; } else inNumber = FALSE; } if (psControl->fMergeNeutralItems) { /* Merge the neutrals */ for (i = 0; i < cInChars; i++) { if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK) { int j; for (j = i; j > 0; j--) { if (levels[i] != levels[j]) break; if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK)) { scripts[i] = scripts[j]; strength[i] = strength[j]; break; } } } /* Try going the other way */ if (strength[i] == BIDI_NEUTRAL || strength[i] == BIDI_WEAK) { int j; for (j = i; j < cInChars; j++) { if (levels[i] != levels[j]) break; if ((strength[j] == BIDI_STRONG) || (strength[i] == BIDI_NEUTRAL && strength[j] == BIDI_WEAK)) { scripts[i] = scripts[j]; strength[i] = strength[j]; break; } } } } } } } while ((!levels || (levels && levels[cnt+1] == levels[0])) && (pwcInChars[cnt] == Numeric_space || pwcInChars[cnt] == ZWJ || pwcInChars[cnt] == ZWNJ) && cnt < cInChars) cnt++; if (cnt == cInChars) /* All Spaces */ { cnt = 0; New_Script = scripts[cnt]; } pItems[index].iCharPos = 0; pItems[index].a = scriptInformation[scripts[cnt]].a; pScriptTags[index] = scriptInformation[scripts[cnt]].scriptTag; if (strength && strength[cnt] == BIDI_STRONG) str = strength[cnt]; else if (strength) str = strength[0]; cnt = 0; if (levels) { if (strength[cnt] == BIDI_STRONG) layoutRTL = (odd(levels[cnt]))?1:0; else layoutRTL = (psState->uBidiLevel || odd(levels[cnt]))?1:0; pItems[index].a.fRTL = odd(levels[cnt]); pItems[index].a.fLayoutRTL = layoutRTL; pItems[index].a.s.uBidiLevel = levels[cnt]; } else if (!pItems[index].a.s.uBidiLevel) { layoutRTL = (odd(baselevel))?1:0; pItems[index].a.s.uBidiLevel = baselevel; pItems[index].a.fLayoutRTL = odd(baselevel); pItems[index].a.fRTL = odd(baselevel); } TRACE("New_Level=%i New_Strength=%i New_Script=%d, eScript=%d index=%d cnt=%d iCharPos=%d\n", levels?levels[cnt]:-1, str, New_Script, pItems[index].a.eScript, index, cnt, pItems[index].iCharPos); for (cnt=1; cnt < cInChars; cnt++) { if(pwcInChars[cnt] != Numeric_space && pwcInChars[cnt] != ZWJ && pwcInChars[cnt] != ZWNJ) New_Script = scripts[cnt]; else if (levels) { int j = 1; while (cnt + j < cInChars - 1 && (pwcInChars[cnt+j] == Numeric_space || pwcInChars[cnt+j] == ZWJ || pwcInChars[cnt+j] == ZWNJ) && levels[cnt] == levels[cnt+j]) j++; if (cnt + j < cInChars && levels[cnt] == levels[cnt+j]) New_Script = scripts[cnt+j]; else New_Script = scripts[cnt]; } new_run = FALSE; /* merge space strengths*/ if (strength && strength[cnt] == BIDI_STRONG && str != BIDI_STRONG && New_Script == pItems[index].a.eScript) str = BIDI_STRONG; if (strength && strength[cnt] == BIDI_NEUTRAL && str == BIDI_STRONG && pwcInChars[cnt] != Numeric_space && New_Script == pItems[index].a.eScript) str = BIDI_NEUTRAL; /* changes in level */ if (levels && (levels[cnt] != pItems[index].a.s.uBidiLevel)) { TRACE("Level break(%i/%i)\n",pItems[index].a.s.uBidiLevel,levels[cnt]); new_run = TRUE; } /* changes in strength */ else if (strength && pwcInChars[cnt] != Numeric_space && str != strength[cnt]) { TRACE("Strength break (%i/%i)\n",str,strength[cnt]); new_run = TRUE; } /* changes in script */ else if (((pwcInChars[cnt] != Numeric_space) && (New_Script != -1) && (New_Script != pItems[index].a.eScript)) || (New_Script == Script_Control)) { TRACE("Script break(%i/%i)\n",pItems[index].a.eScript,New_Script); new_run = TRUE; } if (!new_run && strength && str == BIDI_STRONG) { layoutRTL = odd(levels[cnt])?1:0; pItems[index].a.fLayoutRTL = layoutRTL; } if (new_run) { 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); index++; if (index+1 > cMaxItems) return E_OUTOFMEMORY; if (strength) str = strength[cnt]; pItems[index].iCharPos = cnt; memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS)); pItems[index].a = scriptInformation[New_Script].a; pScriptTags[index] = scriptInformation[New_Script].scriptTag; if (levels) { if (levels[cnt] == 0) layoutRTL = 0; else layoutRTL = (layoutRTL || odd(levels[cnt]))?1:0; pItems[index].a.fRTL = odd(levels[cnt]); pItems[index].a.fLayoutRTL = layoutRTL; pItems[index].a.s.uBidiLevel = levels[cnt]; } else if (!pItems[index].a.s.uBidiLevel) { pItems[index].a.s.uBidiLevel = baselevel; pItems[index].a.fLayoutRTL = layoutRTL; pItems[index].a.fRTL = odd(baselevel); } TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos); } } /* While not strictly necessary according to the spec, make sure the n+1 * item is set up to prevent random behaviour if the caller erroneously * checks the n+1 structure */ index++; memset(&pItems[index].a, 0, sizeof(SCRIPT_ANALYSIS)); TRACE("index=%d cnt=%d iCharPos=%d\n", index, cnt, pItems[index].iCharPos); /* Set one SCRIPT_STATE item being returned */ if (index + 1 > cMaxItems) return E_OUTOFMEMORY; if (pcItems) *pcItems = index; /* Set SCRIPT_ITEM */ pItems[index].iCharPos = cnt; /* the last item contains the ptr to the lastchar */ heap_free(levels); heap_free(strength); heap_free(scripts); return S_OK; } /*********************************************************************** * ScriptItemize (USP10.@) * * Split a Unicode string into shapeable parts. * * PARAMS * pwcInChars [I] String to split. * cInChars [I] Number of characters in pwcInChars. * cMaxItems [I] Maximum number of items to return. * psControl [I] Pointer to a SCRIPT_CONTROL structure. * psState [I] Pointer to a SCRIPT_STATE structure. * pItems [O] Buffer to receive SCRIPT_ITEM structures. * pcItems [O] Number of script items returned. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptItemize(const WCHAR *pwcInChars, int cInChars, int cMaxItems, const SCRIPT_CONTROL *psControl, const SCRIPT_STATE *psState, SCRIPT_ITEM *pItems, int *pcItems) { OPENTYPE_TAG *discarded_tags; HRESULT res; discarded_tags = heap_alloc(cMaxItems * sizeof(OPENTYPE_TAG)); if (!discarded_tags) return E_OUTOFMEMORY; res = ScriptItemizeOpenType(pwcInChars, cInChars, cMaxItems, psControl, psState, pItems, discarded_tags, pcItems); heap_free(discarded_tags); return res; } static inline int getGivenTabWidth(ScriptCache *psc, SCRIPT_TABDEF *pTabdef, int charPos, int current_x) { int defWidth; int cTabStops=0; INT *lpTabPos = NULL; INT nTabOrg = 0; INT x = 0; if (pTabdef) lpTabPos = pTabdef->pTabStops; if (pTabdef && pTabdef->iTabOrigin) { if (pTabdef->iScale) nTabOrg = (pTabdef->iTabOrigin * pTabdef->iScale)/4; else nTabOrg = pTabdef->iTabOrigin * psc->tm.tmAveCharWidth; } if (pTabdef) cTabStops = pTabdef->cTabStops; if (cTabStops == 1) { if (pTabdef->iScale) defWidth = ((pTabdef->pTabStops[0])*pTabdef->iScale) / 4; else defWidth = (pTabdef->pTabStops[0])*psc->tm.tmAveCharWidth; cTabStops = 0; } else defWidth = 8 * psc->tm.tmAveCharWidth; for (; cTabStops>0 ; lpTabPos++, cTabStops--) { int position = *lpTabPos; if (position < 0) position = -1 * position; if (pTabdef->iScale) position = (position * pTabdef->iScale) / 4; else position = position * psc->tm.tmAveCharWidth; if( nTabOrg + position > current_x) { if( *lpTabPos >= 0) { /* a left aligned tab */ x = (nTabOrg + *lpTabPos) - current_x; break; } else { FIXME("Negative tabstop\n"); break; } } } if ((!cTabStops) && (defWidth > 0)) x =((((current_x - nTabOrg) / defWidth)+1) * defWidth) - current_x; else if ((!cTabStops) && (defWidth < 0)) FIXME("TODO: Negative defWidth\n"); return x; } /*********************************************************************** * Helper function for ScriptStringAnalyse */ static BOOL requires_fallback(HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa, const WCHAR *pwcInChars, int cChars ) { /* FIXME: When to properly fallback is still a bit of a mystery */ WORD *glyphs; if (psa->fNoGlyphIndex) return FALSE; if (init_script_cache(hdc, psc) != S_OK) return FALSE; if (SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa) != S_OK) return TRUE; glyphs = heap_alloc(sizeof(WORD) * cChars); if (!glyphs) return FALSE; if (ScriptGetCMap(hdc, psc, pwcInChars, cChars, 0, glyphs) != S_OK) { heap_free(glyphs); return TRUE; } heap_free(glyphs); return FALSE; } static void find_fallback_font(DWORD scriptid, LPWSTR FaceName) { HKEY hkey; if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Uniscribe\\Fallback", &hkey)) { static const WCHAR szFmt[] = {'%','x',0}; WCHAR value[10]; DWORD count = LF_FACESIZE * sizeof(WCHAR); DWORD type; sprintfW(value, szFmt, scriptInformation[scriptid].scriptTag); if (RegQueryValueExW(hkey, value, 0, &type, (LPBYTE)FaceName, &count)) lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont); RegCloseKey(hkey); } else lstrcpyW(FaceName,scriptInformation[scriptid].fallbackFont); } /*********************************************************************** * ScriptStringAnalyse (USP10.@) * */ HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString, int cGlyphs, int iCharset, DWORD dwFlags, int iReqWidth, SCRIPT_CONTROL *psControl, SCRIPT_STATE *psState, const int *piDx, SCRIPT_TABDEF *pTabdef, const BYTE *pbInClass, SCRIPT_STRING_ANALYSIS *pssa) { HRESULT hr = E_OUTOFMEMORY; StringAnalysis *analysis = NULL; SCRIPT_CONTROL sControl; SCRIPT_STATE sState; int i, num_items = 255; BYTE *BidiLevel; WCHAR *iString = NULL; TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n", hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth, psControl, psState, piDx, pTabdef, pbInClass, pssa); if (iCharset != -1) { FIXME("Only Unicode strings are supported\n"); return E_INVALIDARG; } if (cString < 1 || !pString) return E_INVALIDARG; if ((dwFlags & SSA_GLYPHS) && !hdc) return E_PENDING; if (!(analysis = heap_alloc_zero(sizeof(StringAnalysis)))) return E_OUTOFMEMORY; if (!(analysis->pItem = heap_alloc_zero(num_items * sizeof(SCRIPT_ITEM) + 1))) goto error; /* FIXME: handle clipping */ analysis->clip_len = cString; analysis->hdc = hdc; analysis->dwFlags = dwFlags; if (psState) sState = *psState; else memset(&sState, 0, sizeof(SCRIPT_STATE)); if (psControl) sControl = *psControl; else memset(&sControl, 0, sizeof(SCRIPT_CONTROL)); if (dwFlags & SSA_PASSWORD) { iString = heap_alloc(sizeof(WCHAR)*cString); if (!iString) { hr = E_OUTOFMEMORY; goto error; } for (i = 0; i < cString; i++) iString[i] = *((const WCHAR *)pString); pString = iString; } hr = ScriptItemize(pString, cString, num_items, &sControl, &sState, analysis->pItem, &analysis->numItems); while (hr == E_OUTOFMEMORY) { SCRIPT_ITEM *tmp; num_items *= 2; if (!(tmp = heap_realloc_zero(analysis->pItem, num_items * sizeof(SCRIPT_ITEM) + 1))) goto error; analysis->pItem = tmp; hr = ScriptItemize(pString, cString, num_items, psControl, psState, analysis->pItem, &analysis->numItems); } if (hr != S_OK) goto error; /* set back to out of memory for default goto error behaviour */ hr = E_OUTOFMEMORY; if (dwFlags & SSA_BREAK) { if ((analysis->logattrs = heap_alloc(sizeof(SCRIPT_LOGATTR) * cString))) { for (i = 0; i < analysis->numItems; i++) 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]); } else goto error; } if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems))) goto error; if (!(BidiLevel = heap_alloc_zero(analysis->numItems))) goto error; if (dwFlags & SSA_GLYPHS) { int tab_x = 0; if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems))) goto error; for (i = 0; i < analysis->numItems; i++) { SCRIPT_CACHE *sc = (SCRIPT_CACHE*)&analysis->glyphs[i].sc; int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos; int numGlyphs = 1.5 * cChar + 16; WORD *glyphs = heap_alloc_zero(sizeof(WORD) * numGlyphs); WORD *pwLogClust = heap_alloc_zero(sizeof(WORD) * cChar); int *piAdvance = heap_alloc_zero(sizeof(int) * numGlyphs); SCRIPT_VISATTR *psva = heap_alloc_zero(sizeof(SCRIPT_VISATTR) * numGlyphs); GOFFSET *pGoffset = heap_alloc_zero(sizeof(GOFFSET) * numGlyphs); ABC *abc = heap_alloc_zero(sizeof(ABC)); int numGlyphsReturned; HFONT originalFont = 0x0; /* FIXME: non unicode strings */ const WCHAR* pStr = (const WCHAR*)pString; analysis->glyphs[i].fallbackFont = NULL; if (!glyphs || !pwLogClust || !piAdvance || !psva || !pGoffset || !abc) { heap_free (glyphs); heap_free (pwLogClust); heap_free (piAdvance); heap_free (psva); heap_free (pGoffset); heap_free (abc); hr = E_OUTOFMEMORY; goto error; } if ((dwFlags & SSA_FALLBACK) && requires_fallback(hdc, sc, &analysis->pItem[i].a, &pStr[analysis->pItem[i].iCharPos], cChar)) { LOGFONTW lf; GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), & lf); lf.lfCharSet = scriptInformation[analysis->pItem[i].a.eScript].props.bCharSet; find_fallback_font(analysis->pItem[i].a.eScript, lf.lfFaceName); analysis->glyphs[i].fallbackFont = CreateFontIndirectW(&lf); if (analysis->glyphs[i].fallbackFont) { ScriptFreeCache(sc); originalFont = SelectObject(hdc, analysis->glyphs[i].fallbackFont); } } hr = ScriptShape(hdc, sc, &pStr[analysis->pItem[i].iCharPos], cChar, numGlyphs, &analysis->pItem[i].a, glyphs, pwLogClust, psva, &numGlyphsReturned); hr = ScriptPlace(hdc, sc, glyphs, numGlyphsReturned, psva, &analysis->pItem[i].a, piAdvance, pGoffset, abc); if (originalFont) SelectObject(hdc,originalFont); if (dwFlags & SSA_TAB) { int tabi = 0; for (tabi = 0; tabi < cChar; tabi++) { if (pStr[analysis->pItem[i].iCharPos+tabi] == 0x0009) piAdvance[tabi] = getGivenTabWidth(analysis->glyphs[i].sc, pTabdef, analysis->pItem[i].iCharPos+tabi, tab_x); tab_x+=piAdvance[tabi]; } } analysis->glyphs[i].numGlyphs = numGlyphsReturned; analysis->glyphs[i].glyphs = glyphs; analysis->glyphs[i].pwLogClust = pwLogClust; analysis->glyphs[i].piAdvance = piAdvance; analysis->glyphs[i].psva = psva; analysis->glyphs[i].pGoffset = pGoffset; analysis->glyphs[i].abc = abc; analysis->glyphs[i].iMaxPosX= -1; BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel; } } else { for (i = 0; i < analysis->numItems; i++) BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel; } ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual); heap_free(BidiLevel); *pssa = analysis; heap_free(iString); return S_OK; error: heap_free(iString); heap_free(analysis->glyphs); heap_free(analysis->logattrs); heap_free(analysis->pItem); heap_free(analysis->logical2visual); heap_free(analysis); return hr; } static inline BOOL does_glyph_start_cluster(const SCRIPT_VISATTR *pva, const WORD *pwLogClust, int cChars, int glyph, int direction) { int i; if (pva[glyph].fClusterStart) return TRUE; for (i = 0; i < cChars; i++) if (pwLogClust[i] == glyph) break; if (i != cChars) return TRUE; return FALSE; } static HRESULT SS_ItemOut( SCRIPT_STRING_ANALYSIS ssa, int iX, int iY, int iItem, int cStart, int cEnd, UINT uOptions, const RECT *prc, BOOL fSelected, BOOL fDisabled) { StringAnalysis *analysis; int off_x = 0; HRESULT hr; COLORREF BkColor = 0x0; COLORREF TextColor = 0x0; INT BkMode = 0; INT runStart, runEnd; INT iGlyph, cGlyphs; HFONT oldFont = 0x0; TRACE("(%p,%d,%d,%d,%d,%d, 0x%1x, %d, %d)\n", ssa, iX, iY, iItem, cStart, cEnd, uOptions, fSelected, fDisabled); if (!(analysis = ssa)) return E_INVALIDARG; if ((cStart >= 0 && analysis->pItem[iItem+1].iCharPos <= cStart) || (cEnd >= 0 && analysis->pItem[iItem].iCharPos >= cEnd)) return S_OK; if (fSelected) { BkMode = GetBkMode(analysis->hdc); SetBkMode( analysis->hdc, OPAQUE); BkColor = GetBkColor(analysis->hdc); SetBkColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHT)); if (!fDisabled) { TextColor = GetTextColor(analysis->hdc); SetTextColor(analysis->hdc, GetSysColor(COLOR_HIGHLIGHTTEXT)); } } if (analysis->glyphs[iItem].fallbackFont) oldFont = SelectObject(analysis->hdc, analysis->glyphs[iItem].fallbackFont); if (cStart >= 0 && analysis->pItem[iItem+1].iCharPos > cStart && analysis->pItem[iItem].iCharPos <= cStart) runStart = cStart - analysis->pItem[iItem].iCharPos; else runStart = 0; if (cEnd >= 0 && analysis->pItem[iItem+1].iCharPos > cEnd && analysis->pItem[iItem].iCharPos <= cEnd) runEnd = (cEnd-1) - analysis->pItem[iItem].iCharPos; else runEnd = (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos) - 1; if (analysis->pItem[iItem].a.fRTL) { if (cEnd >= 0 && cEnd < analysis->pItem[iItem+1].iCharPos) ScriptStringCPtoX(ssa, cEnd, FALSE, &off_x); else ScriptStringCPtoX(ssa, analysis->pItem[iItem+1].iCharPos-1, TRUE, &off_x); } else { if (cStart >=0 && runStart) ScriptStringCPtoX(ssa, cStart, FALSE, &off_x); else ScriptStringCPtoX(ssa, analysis->pItem[iItem].iCharPos, FALSE, &off_x); } if (analysis->pItem[iItem].a.fRTL) iGlyph = analysis->glyphs[iItem].pwLogClust[runEnd]; else iGlyph = analysis->glyphs[iItem].pwLogClust[runStart]; if (analysis->pItem[iItem].a.fRTL) cGlyphs = analysis->glyphs[iItem].pwLogClust[runStart] - iGlyph; else cGlyphs = analysis->glyphs[iItem].pwLogClust[runEnd] - iGlyph; cGlyphs++; if (cEnd < 0 || scriptInformation[analysis->pItem[iItem].a.eScript].props.fNeedsCaretInfo) { INT direction; INT clust_glyph; clust_glyph = iGlyph + cGlyphs; if (analysis->pItem[iItem].a.fRTL) direction = -1; else direction = 1; while(clust_glyph < analysis->glyphs[iItem].numGlyphs && !does_glyph_start_cluster(analysis->glyphs[iItem].psva, analysis->glyphs[iItem].pwLogClust, (analysis->pItem[iItem+1].iCharPos - analysis->pItem[iItem].iCharPos), clust_glyph, direction)) { cGlyphs++; clust_glyph++; } } hr = ScriptTextOut(analysis->hdc, (SCRIPT_CACHE *)&analysis->glyphs[iItem].sc, iX + off_x, iY, uOptions, prc, &analysis->pItem[iItem].a, NULL, 0, &analysis->glyphs[iItem].glyphs[iGlyph], cGlyphs, &analysis->glyphs[iItem].piAdvance[iGlyph], NULL, &analysis->glyphs[iItem].pGoffset[iGlyph]); TRACE("ScriptTextOut hr=%08x\n", hr); if (fSelected) { SetBkColor(analysis->hdc, BkColor); SetBkMode( analysis->hdc, BkMode); if (!fDisabled) SetTextColor(analysis->hdc, TextColor); } if (analysis->glyphs[iItem].fallbackFont) SelectObject(analysis->hdc, oldFont); return hr; } /*********************************************************************** * ScriptStringOut (USP10.@) * * This function takes the output of ScriptStringAnalyse and joins the segments * of glyphs and passes the resulting string to ScriptTextOut. ScriptStringOut * only processes glyphs. * * Parameters: * ssa [I] buffer to hold the analysed string components * iX [I] X axis displacement for output * iY [I] Y axis displacement for output * uOptions [I] flags controling output processing * prc [I] rectangle coordinates * iMinSel [I] starting pos for substringing output string * iMaxSel [I] ending pos for substringing output string * fDisabled [I] controls text highlighting * * RETURNS * Success: S_OK * Failure: is the value returned by ScriptTextOut */ HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa, int iX, int iY, UINT uOptions, const RECT *prc, int iMinSel, int iMaxSel, BOOL fDisabled) { StringAnalysis *analysis; int item; HRESULT hr; TRACE("(%p,%d,%d,0x%1x,%p,%d,%d,%d)\n", ssa, iX, iY, uOptions, prc, iMinSel, iMaxSel, fDisabled); if (!(analysis = ssa)) return E_INVALIDARG; if (!(analysis->dwFlags & SSA_GLYPHS)) return E_INVALIDARG; for (item = 0; item < analysis->numItems; item++) { hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], -1, -1, uOptions, prc, FALSE, fDisabled); if (FAILED(hr)) return hr; } if (iMinSel < iMaxSel && (iMinSel > 0 || iMaxSel > 0)) { if (iMaxSel > 0 && iMinSel < 0) iMinSel = 0; for (item = 0; item < analysis->numItems; item++) { hr = SS_ItemOut( ssa, iX, iY, analysis->logical2visual[item], iMinSel, iMaxSel, uOptions, prc, TRUE, fDisabled); if (FAILED(hr)) return hr; } } return S_OK; } /*********************************************************************** * ScriptStringCPtoX (USP10.@) * */ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX) { int item; int runningX = 0; StringAnalysis* analysis = ssa; TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX); if (!ssa || !pX) return S_FALSE; if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE; /* icp out of range */ if(icp < 0) { analysis->invalid = TRUE; return E_INVALIDARG; } for(item=0; itemnumItems; item++) { int CP, i; int offset; i = analysis->logical2visual[item]; CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos; /* initialize max extents for uninitialized runs */ if (analysis->glyphs[i].iMaxPosX == -1) { if (analysis->pItem[i].a.fRTL) ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust, analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance, &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX); else ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust, analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance, &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX); } if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos) { runningX += analysis->glyphs[i].iMaxPosX; continue; } icp -= analysis->pItem[i].iCharPos; ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust, analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance, &analysis->pItem[i].a, &offset); runningX += offset; *pX = runningX; return S_OK; } /* icp out of range */ analysis->invalid = TRUE; return E_INVALIDARG; } /*********************************************************************** * ScriptStringXtoCP (USP10.@) * */ HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing) { StringAnalysis* analysis = ssa; int item; TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing); if (!ssa || !piCh || !piTrailing) return S_FALSE; if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE; /* out of range */ if(iX < 0) { if (analysis->pItem[0].a.fRTL) { *piCh = 1; *piTrailing = FALSE; } else { *piCh = -1; *piTrailing = TRUE; } return S_OK; } for(item=0; itemnumItems; item++) { int i; int CP; for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++) /* nothing */; CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos; /* initialize max extents for uninitialized runs */ if (analysis->glyphs[i].iMaxPosX == -1) { if (analysis->pItem[i].a.fRTL) ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust, analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance, &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX); else ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust, analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance, &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX); } if (iX > analysis->glyphs[i].iMaxPosX) { iX -= analysis->glyphs[i].iMaxPosX; continue; } ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust, analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance, &analysis->pItem[i].a, piCh, piTrailing); *piCh += analysis->pItem[i].iCharPos; return S_OK; } /* out of range */ *piCh = analysis->pItem[analysis->numItems].iCharPos; *piTrailing = FALSE; return S_OK; } /*********************************************************************** * ScriptStringFree (USP10.@) * * Free a string analysis. * * PARAMS * pssa [I] string analysis. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa) { StringAnalysis* analysis; BOOL invalid; int i; TRACE("(%p)\n", pssa); if (!pssa || !(analysis = *pssa)) return E_INVALIDARG; invalid = analysis->invalid; if (analysis->glyphs) { for (i = 0; i < analysis->numItems; i++) { heap_free(analysis->glyphs[i].glyphs); heap_free(analysis->glyphs[i].pwLogClust); heap_free(analysis->glyphs[i].piAdvance); heap_free(analysis->glyphs[i].psva); heap_free(analysis->glyphs[i].pGoffset); heap_free(analysis->glyphs[i].abc); if (analysis->glyphs[i].fallbackFont) DeleteObject(analysis->glyphs[i].fallbackFont); ScriptFreeCache((SCRIPT_CACHE *)&analysis->glyphs[i].sc); heap_free(analysis->glyphs[i].sc); } heap_free(analysis->glyphs); } heap_free(analysis->pItem); heap_free(analysis->logattrs); heap_free(analysis->sz); heap_free(analysis->logical2visual); heap_free(analysis); if (invalid) return E_INVALIDARG; return S_OK; } static inline int get_cluster_size(const WORD *pwLogClust, int cChars, int item, int direction, int* iCluster, int *check_out) { int clust_size = 1; int check; WORD clust = pwLogClust[item]; for (check = item+direction; check < cChars && check >= 0; check+=direction) { if (pwLogClust[check] == clust) { clust_size ++; if (iCluster && *iCluster == -1) *iCluster = item; } else break; } if (check_out) *check_out = check; return clust_size; } 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) { int advance; int log_clust_max = 0; int i; advance = piAdvance[glyph]; for (i = 0; i < cChars; i++) { if (pwLogClust[i] > log_clust_max) log_clust_max = pwLogClust[i]; } if (glyph > log_clust_max) return advance; for (glyph+=direction; glyph < cGlyphs && glyph >= 0; glyph +=direction) { if (does_glyph_start_cluster(pva, pwLogClust, cChars, glyph, direction)) break; if (glyph > log_clust_max) break; advance += piAdvance[glyph]; } return advance; } /*********************************************************************** * ScriptCPtoX (USP10.@) * */ HRESULT WINAPI ScriptCPtoX(int iCP, BOOL fTrailing, int cChars, int cGlyphs, const WORD *pwLogClust, const SCRIPT_VISATTR *psva, const int *piAdvance, const SCRIPT_ANALYSIS *psa, int *piX) { int item; float iPosX; int iSpecial = -1; int iCluster = -1; int clust_size = 1; float special_size = 0.0; int iMaxPos = 0; int advance = 0; BOOL rtl = FALSE; TRACE("(%d,%d,%d,%d,%p,%p,%p,%p,%p)\n", iCP, fTrailing, cChars, cGlyphs, pwLogClust, psva, piAdvance, psa, piX); if (psa->fRTL && ! psa->fLogicalOrder) rtl = TRUE; if (fTrailing) iCP++; if (rtl) { int max_clust = pwLogClust[0]; for (item=0; item < cGlyphs; item++) if (pwLogClust[item] > max_clust) { ERR("We do not handle non reversed clusters properly\n"); break; } iMaxPos = 0; for (item = max_clust; item >=0; item --) iMaxPos += piAdvance[item]; } iPosX = 0.0; for (item=0; item < iCP && item < cChars; item++) { if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && iCluster+clust_size <= item))) { int check; int clust = pwLogClust[item]; iCluster = -1; clust_size = get_cluster_size(pwLogClust, cChars, item, 1, &iCluster, &check); advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, 1); if (check >= cChars && !iMaxPos) { for (check = clust; check < cChars; check++) special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, 1); iSpecial = item; special_size /= (cChars - item); iPosX += special_size; } else { if (scriptInformation[psa->eScript].props.fNeedsCaretInfo) { clust_size --; if (clust_size == 0) iPosX += advance; } else iPosX += advance / (float)clust_size; } } else if (iSpecial != -1) iPosX += special_size; else /* (iCluster != -1) */ { int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], 1); if (scriptInformation[psa->eScript].props.fNeedsCaretInfo) { clust_size --; if (clust_size == 0) iPosX += adv; } else iPosX += adv / (float)clust_size; } } if (iMaxPos > 0) { iPosX = iMaxPos - iPosX; if (iPosX < 0) iPosX = 0; } *piX = iPosX; TRACE("*piX=%d\n", *piX); return S_OK; } /*********************************************************************** * ScriptXtoCP (USP10.@) * */ HRESULT WINAPI ScriptXtoCP(int iX, int cChars, int cGlyphs, const WORD *pwLogClust, const SCRIPT_VISATTR *psva, const int *piAdvance, const SCRIPT_ANALYSIS *psa, int *piCP, int *piTrailing) { int item; float iPosX; float iLastPosX; int iSpecial = -1; int iCluster = -1; int clust_size = 1; int cjump = 0; int advance; float special_size = 0.0; int direction = 1; TRACE("(%d,%d,%d,%p,%p,%p,%p,%p,%p)\n", iX, cChars, cGlyphs, pwLogClust, psva, piAdvance, psa, piCP, piTrailing); if (psa->fRTL && ! psa->fLogicalOrder) direction = -1; if (direction<0) { int max_clust = pwLogClust[0]; if (iX < 0) { *piCP = cChars; *piTrailing = 0; return S_OK; } for (item=0; item < cChars; item++) if (pwLogClust[item] > max_clust) { ERR("We do not handle non reversed clusters properly\n"); break; } } if (iX < 0) { *piCP = -1; *piTrailing = 1; return S_OK; } iPosX = iLastPosX = 0; if (direction > 0) item = 0; else item = cChars - 1; for (; iPosX <= iX && item < cChars && item >= 0; item+=direction) { iLastPosX = iPosX; if (iSpecial == -1 && (iCluster == -1 || (iCluster != -1 && ((direction > 0 && iCluster+clust_size <= item) || (direction < 0 && iCluster-clust_size >= item)) ) ) ) { int check; int clust = pwLogClust[item]; iCluster = -1; cjump = 0; clust_size = get_cluster_size(pwLogClust, cChars, item, direction, &iCluster, &check); advance = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, clust, direction); if (check >= cChars && direction > 0) { for (check = clust; check < cChars; check++) special_size += get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, check, direction); iSpecial = item; special_size /= (cChars - item); iPosX += special_size; } else { if (scriptInformation[psa->eScript].props.fNeedsCaretInfo) { if (!cjump) iPosX += advance; cjump++; } else iPosX += advance / (float)clust_size; } } else if (iSpecial != -1) iPosX += special_size; else /* (iCluster != -1) */ { int adv = get_glyph_cluster_advance(piAdvance, psva, pwLogClust, cGlyphs, cChars, pwLogClust[iCluster], direction); if (scriptInformation[psa->eScript].props.fNeedsCaretInfo) { if (!cjump) iPosX += adv; cjump++; } else iPosX += adv / (float)clust_size; } } if (direction > 0) { if (iPosX > iX) item--; if (item < cChars && ((iPosX - iLastPosX) / 2.0) + iX >= iPosX) { if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1) item+=(clust_size-1); *piTrailing = 1; } else *piTrailing = 0; } else { if (iX == iLastPosX) item++; if (iX >= iLastPosX && iX <= iPosX) item++; if (iLastPosX == iX) *piTrailing = 0; else if (item < 0 || ((iLastPosX - iPosX) / 2.0) + iX <= iLastPosX) { if (scriptInformation[psa->eScript].props.fNeedsCaretInfo && clust_size > 1) item-=(clust_size-1); *piTrailing = 1; } else *piTrailing = 0; } *piCP = item; TRACE("*piCP=%d\n", *piCP); TRACE("*piTrailing=%d\n", *piTrailing); return S_OK; } /*********************************************************************** * ScriptBreak (USP10.@) * * Retrieve line break information. * * PARAMS * chars [I] Array of characters. * sa [I] String analysis. * la [I] Array of logical attribute structures. * * RETURNS * Success: S_OK * Failure: S_FALSE */ HRESULT WINAPI ScriptBreak(const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la) { TRACE("(%s, %d, %p, %p)\n", debugstr_wn(chars, count), count, sa, la); if (!la) return S_FALSE; BREAK_line(chars, count, sa, la); return S_OK; } /*********************************************************************** * ScriptIsComplex (USP10.@) * * Determine if a string is complex. * * PARAMS * chars [I] Array of characters to test. * len [I] Length in characters. * flag [I] Flag. * * RETURNS * Success: S_OK * Failure: S_FALSE * */ HRESULT WINAPI ScriptIsComplex(const WCHAR *chars, int len, DWORD flag) { int i; TRACE("(%s,%d,0x%x)\n", debugstr_wn(chars, len), len, flag); for (i = 0; i < len; i++) { int script; if ((flag & SIC_ASCIIDIGIT) && chars[i] >= 0x30 && chars[i] <= 0x39) return S_OK; script = get_char_script(chars[i]); if ((scriptInformation[script].props.fComplex && (flag & SIC_COMPLEX))|| (!scriptInformation[script].props.fComplex && (flag & SIC_NEUTRAL))) return S_OK; } return S_FALSE; } /*********************************************************************** * ScriptShapeOpenType (USP10.@) * * Produce glyphs and visual attributes for a run. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * psa [I/O] Script analysis. * tagScript [I] The OpenType tag for the Script * tagLangSys [I] The OpenType tag for the Language * rcRangeChars[I] Array of Character counts in each range * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures * cRanges [I] Count of ranges * pwcChars [I] Array of characters specifying the run. * cChars [I] Number of characters in pwcChars. * cMaxGlyphs [I] Length of pwOutGlyphs. * pwLogClust [O] Array of logical cluster info. * pCharProps [O] Array of character property values * pwOutGlyphs [O] Array of glyphs. * pOutGlyphProps [O] Array of attributes for the retrieved glyphs * pcGlyphs [O] Number of glyphs returned. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptShapeOpenType( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys, int *rcRangeChars, TEXTRANGE_PROPERTIES **rpRangeProperties, int cRanges, const WCHAR *pwcChars, int cChars, int cMaxGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProps, WORD *pwOutGlyphs, SCRIPT_GLYPHPROP *pOutGlyphProps, int *pcGlyphs) { HRESULT hr; unsigned int i; BOOL rtl; TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %d, %d, %p, %p, %p, %p, %p )\n", hdc, psc, psa, debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4), rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars), cChars, cMaxGlyphs, pwLogClust, pCharProps, pwOutGlyphs, pOutGlyphProps, pcGlyphs); if (psa) TRACE("psa values: %d, %d, %d, %d, %d, %d, %d\n", psa->eScript, psa->fRTL, psa->fLayoutRTL, psa->fLinkBefore, psa->fLinkAfter, psa->fLogicalOrder, psa->fNoGlyphIndex); if (!pOutGlyphProps || !pcGlyphs || !pCharProps) return E_INVALIDARG; if (cChars > cMaxGlyphs) return E_OUTOFMEMORY; if (cRanges) FIXME("Ranges not supported yet\n"); rtl = (psa && !psa->fLogicalOrder && psa->fRTL); *pcGlyphs = cChars; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (!pwLogClust) return E_FAIL; ((ScriptCache *)*psc)->userScript = tagScript; ((ScriptCache *)*psc)->userLang = tagLangSys; /* set fNoGlyphIndex non truetype/opentype fonts */ if (!psa->fNoGlyphIndex && !((ScriptCache *)*psc)->sfnt) psa->fNoGlyphIndex = TRUE; /* Initialize a SCRIPT_VISATTR and LogClust for each char in this run */ for (i = 0; i < cChars; i++) { int idx = i; if (rtl) idx = cChars - 1 - i; /* FIXME: set to better values */ pOutGlyphProps[i].sva.uJustification = (pwcChars[idx] == ' ') ? SCRIPT_JUSTIFY_BLANK : SCRIPT_JUSTIFY_CHARACTER; pOutGlyphProps[i].sva.fClusterStart = 1; pOutGlyphProps[i].sva.fDiacritic = 0; pOutGlyphProps[i].sva.fZeroWidth = 0; pOutGlyphProps[i].sva.fReserved = 0; pOutGlyphProps[i].sva.fShapeReserved = 0; /* FIXME: have the shaping engine set this */ pCharProps[i].fCanGlyphAlone = 0; pwLogClust[i] = idx; } if (psa && !psa->fNoGlyphIndex) { WCHAR *rChars; if ((hr = SHAPE_CheckFontForRequiredFeatures(hdc, (ScriptCache *)*psc, psa)) != S_OK) return hr; rChars = heap_alloc(sizeof(WCHAR) * cChars); if (!rChars) return E_OUTOFMEMORY; for (i = 0; i < cChars; i++) { int idx = i; WCHAR chInput; if (rtl) idx = cChars - 1 - i; if (psa->fRTL) chInput = mirror_char(pwcChars[idx]); else chInput = pwcChars[idx]; /* special case for tabs */ if (chInput == 0x0009) chInput = 0x0020; if (!(pwOutGlyphs[i] = get_cache_glyph(psc, chInput))) { WORD glyph; if (!hdc) return E_PENDING; if (GetGlyphIndicesW(hdc, &chInput, 1, &glyph, 0) == GDI_ERROR) return S_FALSE; pwOutGlyphs[i] = set_cache_glyph(psc, chInput, glyph); } rChars[i] = chInput; } SHAPE_ContextualShaping(hdc, (ScriptCache *)*psc, psa, rChars, cChars, pwOutGlyphs, pcGlyphs, cMaxGlyphs, pwLogClust); SHAPE_ApplyDefaultOpentypeFeatures(hdc, (ScriptCache *)*psc, psa, pwOutGlyphs, pcGlyphs, cMaxGlyphs, cChars, pwLogClust); SHAPE_CharGlyphProp(hdc, (ScriptCache *)*psc, psa, pwcChars, cChars, pwOutGlyphs, *pcGlyphs, pwLogClust, pCharProps, pOutGlyphProps); heap_free(rChars); } else { TRACE("no glyph translation\n"); for (i = 0; i < cChars; i++) { int idx = i; /* No mirroring done here */ if (rtl) idx = cChars - 1 - i; pwOutGlyphs[i] = pwcChars[idx]; } } return S_OK; } /*********************************************************************** * ScriptShape (USP10.@) * * Produce glyphs and visual attributes for a run. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * pwcChars [I] Array of characters specifying the run. * cChars [I] Number of characters in pwcChars. * cMaxGlyphs [I] Length of pwOutGlyphs. * psa [I/O] Script analysis. * pwOutGlyphs [O] Array of glyphs. * pwLogClust [O] Array of logical cluster info. * psva [O] Array of visual attributes. * pcGlyphs [O] Number of glyphs returned. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars, int cChars, int cMaxGlyphs, SCRIPT_ANALYSIS *psa, WORD *pwOutGlyphs, WORD *pwLogClust, SCRIPT_VISATTR *psva, int *pcGlyphs) { HRESULT hr; int i; SCRIPT_CHARPROP *charProps; SCRIPT_GLYPHPROP *glyphProps; if (!psva || !pcGlyphs) return E_INVALIDARG; if (cChars > cMaxGlyphs) return E_OUTOFMEMORY; charProps = heap_alloc_zero(sizeof(SCRIPT_CHARPROP)*cChars); if (!charProps) return E_OUTOFMEMORY; glyphProps = heap_alloc_zero(sizeof(SCRIPT_GLYPHPROP)*cMaxGlyphs); if (!glyphProps) return E_OUTOFMEMORY; hr = ScriptShapeOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, pwcChars, cChars, cMaxGlyphs, pwLogClust, charProps, pwOutGlyphs, glyphProps, pcGlyphs); if (SUCCEEDED(hr)) { for (i = 0; i < *pcGlyphs; i++) psva[i] = glyphProps[i].sva; } heap_free(charProps); heap_free(glyphProps); return hr; } /*********************************************************************** * ScriptPlaceOpenType (USP10.@) * * Produce advance widths for a run. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * psa [I/O] String analysis. * tagScript [I] The OpenType tag for the Script * tagLangSys [I] The OpenType tag for the Language * rcRangeChars[I] Array of Character counts in each range * rpRangeProperties [I] Array of TEXTRANGE_PROPERTIES structures * cRanges [I] Count of ranges * pwcChars [I] Array of characters specifying the run. * pwLogClust [I] Array of logical cluster info * pCharProps [I] Array of character property values * cChars [I] Number of characters in pwcChars. * pwGlyphs [I] Array of glyphs. * pGlyphProps [I] Array of attributes for the retrieved glyphs * cGlyphs [I] Count of Glyphs * piAdvance [O] Array of advance widths. * pGoffset [O] Glyph offsets. * pABC [O] Combined ABC width. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptPlaceOpenType( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, OPENTYPE_TAG tagLangSys, int *rcRangeChars, TEXTRANGE_PROPERTIES **rpRangeProperties, int cRanges, const WCHAR *pwcChars, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProps, int cChars, const WORD *pwGlyphs, const SCRIPT_GLYPHPROP *pGlyphProps, int cGlyphs, int *piAdvance, GOFFSET *pGoffset, ABC *pABC ) { HRESULT hr; int i; TRACE("(%p, %p, %p, %s, %s, %p, %p, %d, %s, %p, %p, %d, %p, %p, %d, %p %p %p)\n", hdc, psc, psa, debugstr_an((char*)&tagScript,4), debugstr_an((char*)&tagLangSys,4), rcRangeChars, rpRangeProperties, cRanges, debugstr_wn(pwcChars, cChars), pwLogClust, pCharProps, cChars, pwGlyphs, pGlyphProps, cGlyphs, piAdvance, pGoffset, pABC); if (!pGlyphProps) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (!pGoffset) return E_FAIL; if (cRanges) FIXME("Ranges not supported yet\n"); ((ScriptCache *)*psc)->userScript = tagScript; ((ScriptCache *)*psc)->userLang = tagLangSys; if (pABC) memset(pABC, 0, sizeof(ABC)); for (i = 0; i < cGlyphs; i++) { ABC abc; if (!get_cache_glyph_widths(psc, pwGlyphs[i], &abc)) { if (!hdc) return E_PENDING; if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE) && !psa->fNoGlyphIndex) { if (!GetCharABCWidthsI(hdc, 0, 1, (WORD *)&pwGlyphs[i], &abc)) return S_FALSE; } else { INT width; if (!GetCharWidth32W(hdc, pwGlyphs[i], pwGlyphs[i], &width)) return S_FALSE; abc.abcB = width; abc.abcA = abc.abcC = 0; } set_cache_glyph_widths(psc, pwGlyphs[i], &abc); } if (pABC) { pABC->abcA += abc.abcA; pABC->abcB += abc.abcB; pABC->abcC += abc.abcC; } /* FIXME: set to more reasonable values */ pGoffset[i].du = pGoffset[i].dv = 0; if (piAdvance) piAdvance[i] = abc.abcA + abc.abcB + abc.abcC; } if (pABC) TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC); return S_OK; } /*********************************************************************** * ScriptPlace (USP10.@) * * Produce advance widths for a run. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * pwGlyphs [I] Array of glyphs. * cGlyphs [I] Number of glyphs in pwGlyphs. * psva [I] Array of visual attributes. * psa [I/O] String analysis. * piAdvance [O] Array of advance widths. * pGoffset [O] Glyph offsets. * pABC [O] Combined ABC width. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs, int cGlyphs, const SCRIPT_VISATTR *psva, SCRIPT_ANALYSIS *psa, int *piAdvance, GOFFSET *pGoffset, ABC *pABC ) { HRESULT hr; SCRIPT_GLYPHPROP *glyphProps; int i; TRACE("(%p, %p, %p, %d, %p, %p, %p, %p, %p)\n", hdc, psc, pwGlyphs, cGlyphs, psva, psa, piAdvance, pGoffset, pABC); if (!psva) return E_INVALIDARG; if (!pGoffset) return E_FAIL; glyphProps = heap_alloc(sizeof(SCRIPT_GLYPHPROP)*cGlyphs); if (!glyphProps) return E_OUTOFMEMORY; for (i = 0; i < cGlyphs; i++) glyphProps[i].sva = psva[i]; hr = ScriptPlaceOpenType(hdc, psc, psa, scriptInformation[psa->eScript].scriptTag, 0, NULL, NULL, 0, NULL, NULL, NULL, 0, pwGlyphs, glyphProps, cGlyphs, piAdvance, pGoffset, pABC); heap_free(glyphProps); return hr; } /*********************************************************************** * ScriptGetCMap (USP10.@) * * Retrieve glyph indices. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * pwcInChars [I] Array of Unicode characters. * cChars [I] Number of characters in pwcInChars. * dwFlags [I] Flags. * pwOutGlyphs [O] Buffer to receive the array of glyph indices. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars, int cChars, DWORD dwFlags, WORD *pwOutGlyphs) { HRESULT hr; int i; TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars), cChars, dwFlags, pwOutGlyphs); if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; hr = S_OK; if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE)) { for (i = 0; i < cChars; i++) { WCHAR inChar; if (dwFlags == SGCM_RTL) inChar = mirror_char(pwcInChars[i]); else inChar = pwcInChars[i]; if (!(pwOutGlyphs[i] = get_cache_glyph(psc, inChar))) { WORD glyph; if (!hdc) return E_PENDING; if (GetGlyphIndicesW(hdc, &inChar, 1, &glyph, GGI_MARK_NONEXISTING_GLYPHS) == GDI_ERROR) return S_FALSE; if (glyph == 0xffff) { hr = S_FALSE; glyph = 0x0; } pwOutGlyphs[i] = set_cache_glyph(psc, inChar, glyph); } } } else { TRACE("no glyph translation\n"); for (i = 0; i < cChars; i++) { WCHAR inChar; if (dwFlags == SGCM_RTL) inChar = mirror_char(pwcInChars[i]); else inChar = pwcInChars[i]; pwOutGlyphs[i] = inChar; } } return hr; } /*********************************************************************** * ScriptTextOut (USP10.@) * */ HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UINT fuOptions, const RECT *lprc, const SCRIPT_ANALYSIS *psa, const WCHAR *pwcReserved, int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance, const int *piJustify, const GOFFSET *pGoffset) { HRESULT hr = S_OK; TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n", hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs, piAdvance, piJustify, pGoffset); if (!hdc || !psc) return E_INVALIDARG; if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG; fuOptions &= ETO_CLIPPED + ETO_OPAQUE; fuOptions |= ETO_IGNORELANGUAGE; if (!psa->fNoGlyphIndex) /* Have Glyphs? */ fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */ if (psa->fRTL && psa->fLogicalOrder) { int i; WORD *rtlGlyphs; rtlGlyphs = heap_alloc(cGlyphs * sizeof(WORD)); if (!rtlGlyphs) return E_OUTOFMEMORY; for (i = 0; i < cGlyphs; i++) rtlGlyphs[i] = pwGlyphs[cGlyphs-1-i]; if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, rtlGlyphs, cGlyphs, NULL)) hr = S_FALSE; heap_free(rtlGlyphs); } else if (!ExtTextOutW(hdc, x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL)) hr = S_FALSE; return hr; } /*********************************************************************** * ScriptCacheGetHeight (USP10.@) * * Retrieve the height of the font in the cache. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * height [O] Receives font height. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height) { HRESULT hr; TRACE("(%p, %p, %p)\n", hdc, psc, height); if (!height) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; *height = get_cache_height(psc); return S_OK; } /*********************************************************************** * ScriptGetGlyphABCWidth (USP10.@) * * Retrieve the width of a glyph. * * PARAMS * hdc [I] Device context. * psc [I/O] Opaque pointer to a script cache. * glyph [I] Glyph to retrieve the width for. * abc [O] ABC widths of the glyph. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. */ HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc) { HRESULT hr; TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc); if (!abc) return E_INVALIDARG; if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr; if (!get_cache_glyph_widths(psc, glyph, abc)) { if (!hdc) return E_PENDING; if ((get_cache_pitch_family(psc) & TMPF_TRUETYPE)) { if (!GetCharABCWidthsI(hdc, 0, 1, &glyph, abc)) return S_FALSE; } else { INT width; if (!GetCharWidth32W(hdc, glyph, glyph, &width)) return S_FALSE; abc->abcB = width; abc->abcA = abc->abcC = 0; } set_cache_glyph_widths(psc, glyph, abc); } return S_OK; } /*********************************************************************** * ScriptLayout (USP10.@) * * Map embedding levels to visual and/or logical order. * * PARAMS * runs [I] Size of level array. * level [I] Array of embedding levels. * vistolog [O] Map of embedding levels from visual to logical order. * logtovis [O] Map of embedding levels from logical to visual order. * * RETURNS * Success: S_OK * Failure: Non-zero HRESULT value. * * BUGS * This stub works correctly for any sequence of a single * embedding level but not for sequences of different * embedding levels, i.e. mixtures of RTL and LTR scripts. */ HRESULT WINAPI ScriptLayout(int runs, const BYTE *level, int *vistolog, int *logtovis) { int* indexs; int ich; TRACE("(%d, %p, %p, %p)\n", runs, level, vistolog, logtovis); if (!level || (!vistolog && !logtovis)) return E_INVALIDARG; indexs = heap_alloc(sizeof(int) * runs); if (!indexs) return E_OUTOFMEMORY; if (vistolog) { for( ich = 0; ich < runs; ich++) indexs[ich] = ich; ich = 0; while (ich < runs) ich += BIDI_ReorderV2lLevel(0, indexs+ich, level+ich, runs - ich, FALSE); for (ich = 0; ich < runs; ich++) vistolog[ich] = indexs[ich]; } if (logtovis) { for( ich = 0; ich < runs; ich++) indexs[ich] = ich; ich = 0; while (ich < runs) ich += BIDI_ReorderL2vLevel(0, indexs+ich, level+ich, runs - ich, FALSE); for (ich = 0; ich < runs; ich++) logtovis[ich] = indexs[ich]; } heap_free(indexs); return S_OK; } /*********************************************************************** * ScriptStringGetLogicalWidths (USP10.@) * * Returns logical widths from a string analysis. * * PARAMS * ssa [I] string analysis. * piDx [O] logical widths returned. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptStringGetLogicalWidths(SCRIPT_STRING_ANALYSIS ssa, int *piDx) { int i, j, next = 0; StringAnalysis *analysis = ssa; TRACE("%p, %p\n", ssa, piDx); if (!analysis) return S_FALSE; if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE; for (i = 0; i < analysis->numItems; i++) { int cChar = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos; int direction = 1; if (analysis->pItem[i].a.fRTL && ! analysis->pItem[i].a.fLogicalOrder) direction = -1; for (j = 0; j < cChar; j++) { int k; int glyph = analysis->glyphs[i].pwLogClust[j]; int clust_size = get_cluster_size(analysis->glyphs[i].pwLogClust, cChar, j, direction, NULL, NULL); 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); for (k = 0; k < clust_size; k++) { piDx[next] = advance / clust_size; next++; if (k) j++; } } } return S_OK; } /*********************************************************************** * ScriptStringValidate (USP10.@) * * Validate a string analysis. * * PARAMS * ssa [I] string analysis. * * RETURNS * Success: S_OK * Failure: S_FALSE if invalid sequences are found * or a non-zero HRESULT if it fails. */ HRESULT WINAPI ScriptStringValidate(SCRIPT_STRING_ANALYSIS ssa) { StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return E_INVALIDARG; return (analysis->invalid) ? S_FALSE : S_OK; } /*********************************************************************** * ScriptString_pSize (USP10.@) * * Retrieve width and height of an analysed string. * * PARAMS * ssa [I] string analysis. * * RETURNS * Success: Pointer to a SIZE structure. * Failure: NULL */ const SIZE * WINAPI ScriptString_pSize(SCRIPT_STRING_ANALYSIS ssa) { int i, j; StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return NULL; if (!(analysis->dwFlags & SSA_GLYPHS)) return NULL; if (!analysis->sz) { if (!(analysis->sz = heap_alloc(sizeof(SIZE)))) return NULL; analysis->sz->cy = analysis->glyphs[0].sc->tm.tmHeight; analysis->sz->cx = 0; for (i = 0; i < analysis->numItems; i++) { if (analysis->glyphs[i].sc->tm.tmHeight > analysis->sz->cy) analysis->sz->cy = analysis->glyphs[i].sc->tm.tmHeight; for (j = 0; j < analysis->glyphs[i].numGlyphs; j++) analysis->sz->cx += analysis->glyphs[i].piAdvance[j]; } } return analysis->sz; } /*********************************************************************** * ScriptString_pLogAttr (USP10.@) * * Retrieve logical attributes of an analysed string. * * PARAMS * ssa [I] string analysis. * * RETURNS * Success: Pointer to an array of SCRIPT_LOGATTR structures. * Failure: NULL */ const SCRIPT_LOGATTR * WINAPI ScriptString_pLogAttr(SCRIPT_STRING_ANALYSIS ssa) { StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return NULL; if (!(analysis->dwFlags & SSA_BREAK)) return NULL; return analysis->logattrs; } /*********************************************************************** * ScriptString_pcOutChars (USP10.@) * * Retrieve the length of a string after clipping. * * PARAMS * ssa [I] String analysis. * * RETURNS * Success: Pointer to the length. * Failure: NULL */ const int * WINAPI ScriptString_pcOutChars(SCRIPT_STRING_ANALYSIS ssa) { StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return NULL; return &analysis->clip_len; } /*********************************************************************** * ScriptStringGetOrder (USP10.@) * * Retrieve a glyph order map. * * PARAMS * ssa [I] String analysis. * order [I/O] Array of glyph positions. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptStringGetOrder(SCRIPT_STRING_ANALYSIS ssa, UINT *order) { int i, j; unsigned int k; StringAnalysis *analysis = ssa; TRACE("(%p)\n", ssa); if (!analysis) return S_FALSE; if (!(analysis->dwFlags & SSA_GLYPHS)) return S_FALSE; /* FIXME: handle RTL scripts */ for (i = 0, k = 0; i < analysis->numItems; i++) for (j = 0; j < analysis->glyphs[i].numGlyphs; j++, k++) order[k] = k; return S_OK; } /*********************************************************************** * ScriptGetLogicalWidths (USP10.@) * * Convert advance widths to logical widths. * * PARAMS * sa [I] Script analysis. * nbchars [I] Number of characters. * nbglyphs [I] Number of glyphs. * glyph_width [I] Array of glyph widths. * log_clust [I] Array of logical clusters. * sva [I] Visual attributes. * widths [O] Array of logical widths. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptGetLogicalWidths(const SCRIPT_ANALYSIS *sa, int nbchars, int nbglyphs, const int *glyph_width, const WORD *log_clust, const SCRIPT_VISATTR *sva, int *widths) { int i; TRACE("(%p, %d, %d, %p, %p, %p, %p)\n", sa, nbchars, nbglyphs, glyph_width, log_clust, sva, widths); /* FIXME */ for (i = 0; i < nbchars; i++) widths[i] = glyph_width[i]; return S_OK; } /*********************************************************************** * ScriptApplyLogicalWidth (USP10.@) * * Generate glyph advance widths. * * PARAMS * dx [I] Array of logical advance widths. * num_chars [I] Number of characters. * num_glyphs [I] Number of glyphs. * log_clust [I] Array of logical clusters. * sva [I] Visual attributes. * advance [I] Array of glyph advance widths. * sa [I] Script analysis. * abc [I/O] Summed ABC widths. * justify [O] Array of glyph advance widths. * * RETURNS * Success: S_OK * Failure: a non-zero HRESULT. */ HRESULT WINAPI ScriptApplyLogicalWidth(const int *dx, int num_chars, int num_glyphs, const WORD *log_clust, const SCRIPT_VISATTR *sva, const int *advance, const SCRIPT_ANALYSIS *sa, ABC *abc, int *justify) { int i; FIXME("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n", dx, num_chars, num_glyphs, log_clust, sva, advance, sa, abc, justify); for (i = 0; i < num_chars; i++) justify[i] = advance[i]; return S_OK; } HRESULT WINAPI ScriptJustify(const SCRIPT_VISATTR *sva, const int *advance, int num_glyphs, int dx, int min_kashida, int *justify) { int i; FIXME("(%p, %p, %d, %d, %d, %p)\n", sva, advance, num_glyphs, dx, min_kashida, justify); for (i = 0; i < num_glyphs; i++) justify[i] = advance[i]; return S_OK; }