1 /* 2 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 3 * 4 * This is part of HarfBuzz, an OpenType Layout engine library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 */ 24 25 #ifndef HARFBUZZ_EXTERNAL_H 26 #define HARFBUZZ_EXTERNAL_H 27 28 #include "harfbuzz-global.h" 29 30 HB_BEGIN_HEADER 31 32 /* This header contains some methods that are not part of 33 Harfbuzz itself, but referenced by it. 34 They need to be provided by the application/library 35 */ 36 37 38 /* 39 see http://www.unicode.org/reports/tr14/tr14-19.html 40 we don't use the XX, AI and CB properties and map them to AL instead. 41 as we don't support any EBDIC based OS'es, NL is ignored and mapped to AL as well. 42 */ 43 typedef enum { 44 HB_LineBreak_OP, HB_LineBreak_CL, HB_LineBreak_QU, HB_LineBreak_GL, HB_LineBreak_NS, 45 HB_LineBreak_EX, HB_LineBreak_SY, HB_LineBreak_IS, HB_LineBreak_PR, HB_LineBreak_PO, 46 HB_LineBreak_NU, HB_LineBreak_AL, HB_LineBreak_ID, HB_LineBreak_IN, HB_LineBreak_HY, 47 HB_LineBreak_BA, HB_LineBreak_BB, HB_LineBreak_B2, HB_LineBreak_ZW, HB_LineBreak_CM, 48 HB_LineBreak_WJ, HB_LineBreak_H2, HB_LineBreak_H3, HB_LineBreak_JL, HB_LineBreak_JV, 49 HB_LineBreak_JT, HB_LineBreak_SA, HB_LineBreak_SG, 50 HB_LineBreak_SP, HB_LineBreak_CR, HB_LineBreak_LF, HB_LineBreak_BK 51 } HB_LineBreakClass; 52 53 typedef enum 54 { 55 HB_NoCategory, 56 57 HB_Mark_NonSpacing, /* Mn */ 58 HB_Mark_SpacingCombining, /* Mc */ 59 HB_Mark_Enclosing, /* Me */ 60 61 HB_Number_DecimalDigit, /* Nd */ 62 HB_Number_Letter, /* Nl */ 63 HB_Number_Other, /* No */ 64 65 HB_Separator_Space, /* Zs */ 66 HB_Separator_Line, /* Zl */ 67 HB_Separator_Paragraph, /* Zp */ 68 69 HB_Other_Control, /* Cc */ 70 HB_Other_Format, /* Cf */ 71 HB_Other_Surrogate, /* Cs */ 72 HB_Other_PrivateUse, /* Co */ 73 HB_Other_NotAssigned, /* Cn */ 74 75 HB_Letter_Uppercase, /* Lu */ 76 HB_Letter_Lowercase, /* Ll */ 77 HB_Letter_Titlecase, /* Lt */ 78 HB_Letter_Modifier, /* Lm */ 79 HB_Letter_Other, /* Lo */ 80 81 HB_Punctuation_Connector, /* Pc */ 82 HB_Punctuation_Dash, /* Pd */ 83 HB_Punctuation_Open, /* Ps */ 84 HB_Punctuation_Close, /* Pe */ 85 HB_Punctuation_InitialQuote, /* Pi */ 86 HB_Punctuation_FinalQuote, /* Pf */ 87 HB_Punctuation_Other, /* Po */ 88 89 HB_Symbol_Math, /* Sm */ 90 HB_Symbol_Currency, /* Sc */ 91 HB_Symbol_Modifier, /* Sk */ 92 HB_Symbol_Other /* So */ 93 } HB_CharCategory; 94 95 typedef enum 96 { 97 HB_Grapheme_Other, 98 HB_Grapheme_CR, 99 HB_Grapheme_LF, 100 HB_Grapheme_Control, 101 HB_Grapheme_Extend, 102 HB_Grapheme_L, 103 HB_Grapheme_V, 104 HB_Grapheme_T, 105 HB_Grapheme_LV, 106 HB_Grapheme_LVT 107 } HB_GraphemeClass; 108 109 110 typedef enum 111 { 112 HB_Word_Other, 113 HB_Word_Format, 114 HB_Word_Katakana, 115 HB_Word_ALetter, 116 HB_Word_MidLetter, 117 HB_Word_MidNum, 118 HB_Word_Numeric, 119 HB_Word_ExtendNumLet 120 } HB_WordClass; 121 122 123 typedef enum 124 { 125 HB_Sentence_Other, 126 HB_Sentence_Sep, 127 HB_Sentence_Format, 128 HB_Sentence_Sp, 129 HB_Sentence_Lower, 130 HB_Sentence_Upper, 131 HB_Sentence_OLetter, 132 HB_Sentence_Numeric, 133 HB_Sentence_ATerm, 134 HB_Sentence_STerm, 135 HB_Sentence_Close 136 } HB_SentenceClass; 137 138 HB_GraphemeClass HB_GetGraphemeClass(HB_UChar32 ch); 139 HB_WordClass HB_GetWordClass(HB_UChar32 ch); 140 HB_SentenceClass HB_GetSentenceClass(HB_UChar32 ch); 141 HB_LineBreakClass HB_GetLineBreakClass(HB_UChar32 ch); 142 143 void HB_GetGraphemeAndLineBreakClass(HB_UChar32 ch, HB_GraphemeClass *grapheme, HB_LineBreakClass *lineBreak); 144 void HB_GetUnicodeCharProperties(HB_UChar32 ch, HB_CharCategory *category, int *combiningClass); 145 HB_CharCategory HB_GetUnicodeCharCategory(HB_UChar32 ch); 146 int HB_GetUnicodeCharCombiningClass(HB_UChar32 ch); 147 HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch); 148 149 void *HB_Library_Resolve(const char *library, int version, const char *symbol); 150 151 HB_END_HEADER 152 153 #endif 154