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      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 #define HB_H_IN
     29 #include <hb-unicode.h>
     30 #include "harfbuzz-global.h"
     31 
     32 HB_BEGIN_HEADER
     33 
     34 /* This header contains some methods that are not part of
     35    Harfbuzz itself, but referenced by it.
     36    They need to be provided by the application/library
     37 */
     38 
     39 
     40 typedef enum
     41 {
     42     HB_Mark_NonSpacing		= HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK,		/* Mn */
     43     HB_Mark_SpacingCombining	= HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK,		/* Mc */
     44     HB_Mark_Enclosing		= HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK,		/* Me */
     45 
     46     HB_Number_DecimalDigit	= HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER,		/* Nd */
     47     HB_Number_Letter		= HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER,		/* Nl */
     48     HB_Number_Other		= HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER,		/* No */
     49 
     50     HB_Separator_Space		= HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR,		/* Zs */
     51     HB_Separator_Line		= HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR,		/* Zl */
     52     HB_Separator_Paragraph	= HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR,	/* Zp */
     53 
     54     HB_Other_Control		= HB_UNICODE_GENERAL_CATEGORY_CONTROL,			/* Cc */
     55     HB_Other_Format		= HB_UNICODE_GENERAL_CATEGORY_FORMAT,			/* Cf */
     56     HB_Other_Surrogate		= HB_UNICODE_GENERAL_CATEGORY_SURROGATE,		/* Cs */
     57     HB_Other_PrivateUse		= HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE,		/* Co */
     58     HB_Other_NotAssigned	= HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED,		/* Cn */
     59 
     60     HB_Letter_Uppercase		= HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER,		/* Lu */
     61     HB_Letter_Lowercase		= HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER,		/* Ll */
     62     HB_Letter_Titlecase		= HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER,		/* Lt */
     63     HB_Letter_Modifier		= HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER,		/* Lm */
     64     HB_Letter_Other		= HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER,		/* Lo */
     65 
     66     HB_Punctuation_Connector	= HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION,	/* Pc */
     67     HB_Punctuation_Dash		= HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION,		/* Pd */
     68     HB_Punctuation_Open		= HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION,		/* Ps */
     69     HB_Punctuation_Close	= HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION,	/* Pe */
     70     HB_Punctuation_InitialQuote	= HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION,	/* Pi */
     71     HB_Punctuation_FinalQuote	= HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION,	/* Pf */
     72     HB_Punctuation_Other	= HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION,	/* Po */
     73 
     74     HB_Symbol_Math		= HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL,		/* Sm */
     75     HB_Symbol_Currency		= HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL,		/* Sc */
     76     HB_Symbol_Modifier		= HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL,		/* Sk */
     77     HB_Symbol_Other		= HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL		/* So */
     78 } HB_CharCategory;
     79 
     80 
     81 static inline HB_CharCategory HB_GetUnicodeCharCategory(HB_UChar32 ch)
     82 {
     83   return (HB_CharCategory) hb_unicode_general_category (hb_unicode_funcs_get_default (), ch);
     84 }
     85 
     86 static inline int HB_GetUnicodeCharCombiningClass(HB_UChar32 ch)
     87 {
     88   return hb_unicode_combining_class (hb_unicode_funcs_get_default (), ch);
     89 }
     90 
     91 static inline HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch)
     92 {
     93   return hb_unicode_mirroring (hb_unicode_funcs_get_default (), ch);
     94 }
     95 
     96 static inline void HB_GetUnicodeCharProperties(HB_UChar32 ch, HB_CharCategory *category, int *combiningClass)
     97 {
     98   if (category)
     99     *category = HB_GetUnicodeCharCategory (ch);
    100   if (combiningClass)
    101     *combiningClass = HB_GetUnicodeCharCombiningClass (ch);
    102 }
    103 
    104 HB_END_HEADER
    105 
    106 #endif
    107