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/*******************************************************************
*
* Copyright 2007 Trolltech ASA
*
* This is part of HarfBuzz, an OpenType Layout engine library.
*
* See the file name COPYING for licensing information.
*
******************************************************************/
#ifndef HARFBUZZ_EXTERNAL_H
#define HARFBUZZ_EXTERNAL_H
#include <harfbuzz-global.h>
/* This header contains some methods that are not part of
Harfbuzz itself, but referenced by it.
They need to be provided by the application/library
*/
// see http://www.unicode.org/reports/tr14/tr14-19.html
// we don't use the XX, AI and CB properties and map them to AL instead.
// as we don't support any EBDIC based OS'es, NL is ignored and mapped to AL as well.
typedef enum {
HB_LineBreak_OP, HB_LineBreak_CL, HB_LineBreak_QU, HB_LineBreak_GL, HB_LineBreak_NS,
HB_LineBreak_EX, HB_LineBreak_SY, HB_LineBreak_IS, HB_LineBreak_PR, HB_LineBreak_PO,
HB_LineBreak_NU, HB_LineBreak_AL, HB_LineBreak_ID, HB_LineBreak_IN, HB_LineBreak_HY,
HB_LineBreak_BA, HB_LineBreak_BB, HB_LineBreak_B2, HB_LineBreak_ZW, HB_LineBreak_CM,
HB_LineBreak_WJ, HB_LineBreak_H2, HB_LineBreak_H3, HB_LineBreak_JL, HB_LineBreak_JV,
HB_LineBreak_JT, HB_LineBreak_SA, HB_LineBreak_SG,
HB_LineBreak_SP, HB_LineBreak_CR, HB_LineBreak_LF, HB_LineBreak_BK
} HB_LineBreakClass;
typedef enum
{
HB_NoCategory,
HB_Mark_NonSpacing, // Mn
HB_Mark_SpacingCombining, // Mc
HB_Mark_Enclosing, // Me
HB_Number_DecimalDigit, // Nd
HB_Number_Letter, // Nl
HB_Number_Other, // No
HB_Separator_Space, // Zs
HB_Separator_Line, // Zl
HB_Separator_Paragraph, // Zp
HB_Other_Control, // Cc
HB_Other_Format, // Cf
HB_Other_Surrogate, // Cs
HB_Other_PrivateUse, // Co
HB_Other_NotAssigned, // Cn
HB_Letter_Uppercase, // Lu
HB_Letter_Lowercase, // Ll
HB_Letter_Titlecase, // Lt
HB_Letter_Modifier, // Lm
HB_Letter_Other, // Lo
HB_Punctuation_Connector, // Pc
HB_Punctuation_Dash, // Pd
HB_Punctuation_Open, // Ps
HB_Punctuation_Close, // Pe
HB_Punctuation_InitialQuote, // Pi
HB_Punctuation_FinalQuote, // Pf
HB_Punctuation_Other, // Po
HB_Symbol_Math, // Sm
HB_Symbol_Currency, // Sc
HB_Symbol_Modifier, // Sk
HB_Symbol_Other, // So
} HB_CharCategory;
HB_LineBreakClass HB_GetLineBreakClass(HB_UChar32 ch);
void HB_GetUnicodeCharProperties(HB_UChar32 ch, HB_CharCategory *category, int *combiningClass);
HB_CharCategory HB_GetUnicodeCharCategory(HB_UChar32 ch);
int HB_GetUnicodeCharCombiningClass(HB_UChar32 ch);
HB_UChar16 HB_GetMirroredChar(HB_UChar16 ch);
#endif
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