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/*
*
* (C) Copyright IBM Corp. and others 1998-2013 - All Rights Reserved
*
*/
#ifndef __LETYPES_H
#define __LETYPES_H
#if !defined(LE_USE_CMEMORY) && (defined(U_LAYOUT_IMPLEMENTATION) || defined(U_LAYOUTEX_IMPLEMENTATION) || defined(U_STATIC_IMPLEMENTATION) || defined(U_COMBINED_IMPLEMENTATION))
#define LE_USE_CMEMORY
#endif
#include "unicode/utypes.h"
#ifdef __cplusplus
#include "unicode/uobject.h"
#endif
#ifdef LE_USE_CMEMORY
#include "cmemory.h"
#endif
/*!
* \file
* \brief C API: Basic definitions for the ICU LayoutEngine
*/
/**
* A type used for signed, 32-bit integers.
*
* @stable ICU 2.4
*/
typedef int32_t le_int32;
/**
* A type used for unsigned, 32-bit integers.
*
* @stable ICU 2.4
*/
typedef uint32_t le_uint32;
/**
* A type used for signed, 16-bit integers.
*
* @stable ICU 2.4
*/
typedef int16_t le_int16;
/**
* A type used for unsigned, 16-bit integers.
*
* @stable ICU 2.4
*/
typedef uint16_t le_uint16;
/**
* A type used for signed, 8-bit integers.
*
* @stable ICU 2.4
*/
typedef int8_t le_int8;
/**
* A type used for unsigned, 8-bit integers.
*
* @stable ICU 2.4
*/
typedef uint8_t le_uint8;
/**
* A type used for boolean values.
*
* @stable ICU 2.4
*/
typedef UBool le_bool;
#ifndef NULL
/**
* Used to represent empty pointers.
*
* @stable ICU 2.4
*/
#define NULL 0
#endif
/**
* Used for four character tags.
*
* @stable ICU 2.4
*/
typedef le_uint32 LETag;
/**
* Used for 16-bit glyph indices as they're represented
* in TrueType font tables.
*
* @stable ICU 3.2
*/
typedef le_uint16 TTGlyphID;
/**
* Used for glyph indices. The low-order 16 bits are
* the glyph ID within the font. The next 8 bits are
* the sub-font ID within a compound font. The high-
* order 8 bits are client defined. The LayoutEngine
* will never change or look at the client defined bits.
*
* @stable ICU 3.2
*/
typedef le_uint32 LEGlyphID;
/**
* Used to mask off the glyph ID part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_GLYPH_MASK 0x0000FFFF
/**
* Used to shift the glyph ID part of an LEGlyphID
* into the low-order bits.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_GLYPH_SHIFT 0
/**
* Used to mask off the sub-font ID part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_SUB_FONT_MASK 0x00FF0000
/**
* Used to shift the sub-font ID part of an LEGlyphID
* into the low-order bits.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_SUB_FONT_SHIFT 16
/**
* Used to mask off the client-defined part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_CLIENT_MASK 0xFF000000
/**
* Used to shift the sub-font ID part of an LEGlyphID
* into the low-order bits.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_CLIENT_SHIFT 24
/**
* A convenience macro to get the Glyph ID part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_GET_GLYPH(gid) ((gid & LE_GLYPH_MASK) >> LE_GLYPH_SHIFT)
/**
* A convenience macro to get the sub-font ID part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_GET_SUB_FONT(gid) ((gid & LE_SUB_FONT_MASK) >> LE_SUB_FONT_SHIFT)
/**
* A convenience macro to get the client-defined part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_GET_CLIENT(gid) ((gid & LE_CLIENT_MASK) >> LE_CLIENT_SHIFT)
/**
* A convenience macro to set the Glyph ID part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_SET_GLYPH(gid, glyph) ((gid & ~LE_GLYPH_MASK) | ((glyph << LE_GLYPH_SHIFT) & LE_GLYPH_MASK))
/**
* A convenience macro to set the sub-font ID part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_SET_SUB_FONT(gid, font) ((gid & ~LE_SUB_FONT_MASK) | ((font << LE_SUB_FONT_SHIFT) & LE_SUB_FONT_MASK))
/**
* A convenience macro to set the client-defined part of an LEGlyphID.
*
* @see LEGlyphID
* @stable ICU 3.2
*/
#define LE_SET_CLIENT(gid, client) ((gid & ~LE_CLIENT_MASK) | ((client << LE_CLIENT_SHIFT) & LE_CLIENT_MASK))
/**
* Used to represent 16-bit Unicode code points.
*
* @stable ICU 2.4
*/
typedef UChar LEUnicode16;
/**
* Used to represent 32-bit Unicode code points.
*
* @stable ICU 2.4
*/
typedef UChar32 LEUnicode32;
#ifndef U_HIDE_DEPRECATED_API
/**
* Used to represent 16-bit Unicode code points.
*
* @deprecated since ICU 2.4. Use LEUnicode16 instead
*/
typedef UChar LEUnicode;
#endif /* U_HIDE_DEPRECATED_API */
/**
* Used to hold a pair of (x, y) values which represent a point.
*
* @stable ICU 2.4
*/
struct LEPoint
{
/**
* The x coordinate of the point.
*
* @stable ICU 2.4
*/
float fX;
/**
* The y coordinate of the point.
*
* @stable ICU 2.4
*/
float fY;
};
#ifndef __cplusplus
/**
* Used to hold a pair of (x, y) values which represent a point.
*
* @stable ICU 2.4
*/
typedef struct LEPoint LEPoint;
#endif
#ifndef U_HIDE_INTERNAL_API
#ifndef LE_ASSERT_BAD_FONT
#define LE_ASSERT_BAD_FONT 0
#endif
#if LE_ASSERT_BAD_FONT
#include <stdio.h>
#define LE_DEBUG_BAD_FONT(x) fprintf(stderr,"%s:%d: BAD FONT: %s\n", __FILE__, __LINE__, (x));
#else
#define LE_DEBUG_BAD_FONT(x)
#endif
/**
* Max value representable by a uintptr
*/
#ifndef UINT32_MAX
#define LE_UINT32_MAX 0xFFFFFFFFU
#else
#define LE_UINT32_MAX UINT32_MAX
#endif
#ifndef UINTPTR_MAX
#define LE_UINTPTR_MAX LE_UINT32_MAX
#else
#define LE_UINTPTR_MAX UINTPTR_MAX
#endif
/**
* Range check for overflow
*/
#define LE_RANGE_CHECK(type, count, ptrfn) (( (LE_UINTPTR_MAX / sizeof(type)) < count ) ? NULL : (ptrfn))
/**
* A convenience macro to get the length of an array.
*
* @internal
*/
#define LE_ARRAY_SIZE(array) (sizeof array / sizeof array[0])
#ifdef LE_USE_CMEMORY
/**
* A convenience macro for copying an array.
*
* @internal
*/
#define LE_ARRAY_COPY(dst, src, count) uprv_memcpy((void *) (dst), (void *) (src), (count) * sizeof (src)[0])
/**
* Allocate an array of basic types. This is used to isolate the rest of
* the LayoutEngine code from cmemory.h.
*
* @internal
*/
#define LE_NEW_ARRAY(type, count) (type *) LE_RANGE_CHECK(type,count,uprv_malloc((count) * sizeof(type)))
/**
* Re-allocate an array of basic types. This is used to isolate the rest of
* the LayoutEngine code from cmemory.h.
*
* @internal
*/
#define LE_GROW_ARRAY(array, newSize) uprv_realloc((void *) (array), (newSize) * sizeof (array)[0])
/**
* Free an array of basic types. This is used to isolate the rest of
* the LayoutEngine code from cmemory.h.
*
* @internal
*/
#define LE_DELETE_ARRAY(array) uprv_free((void *) (array))
#else
/* Not using ICU memory - use C std lib versions */
#include <stdlib.h>
#include <string.h>
/**
* A convenience macro to get the length of an array.
*
* @internal
*/
#define LE_ARRAY_SIZE(array) (sizeof array / sizeof array[0])
/**
* A convenience macro for copying an array.
*
* @internal
*/
#define LE_ARRAY_COPY(dst, src, count) memcpy((void *) (dst), (void *) (src), (count) * sizeof (src)[0])
/**
* Allocate an array of basic types. This is used to isolate the rest of
* the LayoutEngine code from cmemory.h.
*
* @internal
*/
#define LE_NEW_ARRAY(type, count) LE_RANGE_CHECK(type,count,(type *) malloc((count) * sizeof(type)))
/**
* Re-allocate an array of basic types. This is used to isolate the rest of
* the LayoutEngine code from cmemory.h.
*
* @internal
*/
#define LE_GROW_ARRAY(array, newSize) realloc((void *) (array), (newSize) * sizeof (array)[0])
/**
* Free an array of basic types. This is used to isolate the rest of
* the LayoutEngine code from cmemory.h.
*
* @internal
*/
#define LE_DELETE_ARRAY(array) free((void *) (array))
#endif
#endif /* U_HIDE_INTERNAL_API */
/**
* A macro to construct the four-letter tags used to
* label TrueType tables, and for script, language and
* feature tags in OpenType tables.
*
* WARNING: THIS MACRO WILL ONLY WORK CORRECTLY IF
* THE ARGUMENT CHARACTERS ARE ASCII.
*
* @stable ICU 3.2
*/
#define LE_MAKE_TAG(a, b, c, d) \
(((le_uint32)(a) << 24) | \
((le_uint32)(b) << 16) | \
((le_uint32)(c) << 8) | \
(le_uint32)(d))
/**
* This enumeration defines constants for the standard
* TrueType, OpenType and AAT table tags.
*
* @stable ICU 3.2
*/
enum LETableTags {
LE_ACNT_TABLE_TAG = 0x61636E74UL, /**< 'acnt' */
LE_AVAR_TABLE_TAG = 0x61766172UL, /**< 'avar' */
LE_BASE_TABLE_TAG = 0x42415345UL, /**< 'BASE' */
LE_BDAT_TABLE_TAG = 0x62646174UL, /**< 'bdat' */
LE_BHED_TABLE_TAG = 0x62686564UL, /**< 'bhed' */
LE_BLOC_TABLE_TAG = 0x626C6F63UL, /**< 'bloc' */
LE_BSLN_TABLE_TAG = 0x62736C6EUL, /**< 'bsln' */
LE_CFF__TABLE_TAG = 0x43464620UL, /**< 'CFF ' */
LE_CMAP_TABLE_TAG = 0x636D6170UL, /**< 'cmap' */
LE_CVAR_TABLE_TAG = 0x63766172UL, /**< 'cvar' */
LE_CVT__TABLE_TAG = 0x63767420UL, /**< 'cvt ' */
LE_DSIG_TABLE_TAG = 0x44534947UL, /**< 'DSIG' */
LE_EBDT_TABLE_TAG = 0x45424454UL, /**< 'EBDT' */
LE_EBLC_TABLE_TAG = 0x45424C43UL, /**< 'EBLC' */
LE_EBSC_TABLE_TAG = 0x45425343UL, /**< 'EBSC' */
LE_FDSC_TABLE_TAG = 0x66647363UL, /**< 'fdsc' */
LE_FEAT_TABLE_TAG = 0x66656174UL, /**< 'feat' */
LE_FMTX_TABLE_TAG = 0x666D7478UL, /**< 'fmtx' */
LE_FPGM_TABLE_TAG = 0x6670676DUL, /**< 'fpgm' */
LE_FVAR_TABLE_TAG = 0x66766172UL, /**< 'fvar' */
LE_GASP_TABLE_TAG = 0x67617370UL, /**< 'gasp' */
LE_GDEF_TABLE_TAG = 0x47444546UL, /**< 'GDEF' */
LE_GLYF_TABLE_TAG = 0x676C7966UL, /**< 'glyf' */
LE_GPOS_TABLE_TAG = 0x47504F53UL, /**< 'GPOS' */
LE_GSUB_TABLE_TAG = 0x47535542UL, /**< 'GSUB' */
LE_GVAR_TABLE_TAG = 0x67766172UL, /**< 'gvar' */
LE_HDMX_TABLE_TAG = 0x68646D78UL, /**< 'hdmx' */
LE_HEAD_TABLE_TAG = 0x68656164UL, /**< 'head' */
LE_HHEA_TABLE_TAG = 0x68686561UL, /**< 'hhea' */
LE_HMTX_TABLE_TAG = 0x686D7478UL, /**< 'hmtx' */
LE_HSTY_TABLE_TAG = 0x68737479UL, /**< 'hsty' */
LE_JUST_TABLE_TAG = 0x6A757374UL, /**< 'just' */
LE_JSTF_TABLE_TAG = 0x4A535446UL, /**< 'JSTF' */
LE_KERN_TABLE_TAG = 0x6B65726EUL, /**< 'kern' */
LE_LCAR_TABLE_TAG = 0x6C636172UL, /**< 'lcar' */
LE_LOCA_TABLE_TAG = 0x6C6F6361UL, /**< 'loca' */
LE_LTSH_TABLE_TAG = 0x4C545348UL, /**< 'LTSH' */
LE_MAXP_TABLE_TAG = 0x6D617870UL, /**< 'maxp' */
LE_MORT_TABLE_TAG = 0x6D6F7274UL, /**< 'mort' */
LE_MORX_TABLE_TAG = 0x6D6F7278UL, /**< 'morx' */
LE_NAME_TABLE_TAG = 0x6E616D65UL, /**< 'name' */
LE_OPBD_TABLE_TAG = 0x6F706264UL, /**< 'opbd' */
LE_OS_2_TABLE_TAG = 0x4F532F32UL, /**< 'OS/2' */
LE_PCLT_TABLE_TAG = 0x50434C54UL, /**< 'PCLT' */
LE_POST_TABLE_TAG = 0x706F7374UL, /**< 'post' */
LE_PREP_TABLE_TAG = 0x70726570UL, /**< 'prep' */
LE_PROP_TABLE_TAG = 0x70726F70UL, /**< 'prop' */
LE_TRAK_TABLE_TAG = 0x7472616BUL, /**< 'trak' */
LE_VDMX_TABLE_TAG = 0x56444D58UL, /**< 'VDMX' */
LE_VHEA_TABLE_TAG = 0x76686561UL, /**< 'vhea' */
LE_VMTX_TABLE_TAG = 0x766D7478UL, /**< 'vmtx' */
LE_VORG_TABLE_TAG = 0x564F5247UL, /**< 'VORG' */
LE_ZAPF_TABLE_TAG = 0x5A617066UL /**< 'Zapf' */
};
/**
* This enumeration defines constants for all
* the common OpenType feature tags.
*
* @stable ICU 3.2
*/
enum LEFeatureTags {
LE_AALT_FEATURE_TAG = 0x61616C74UL, /**< 'aalt' */
LE_ABVF_FEATURE_TAG = 0x61627666UL, /**< 'abvf' */
LE_ABVM_FEATURE_TAG = 0x6162766DUL, /**< 'abvm' */
LE_ABVS_FEATURE_TAG = 0x61627673UL, /**< 'abvs' */
LE_AFRC_FEATURE_TAG = 0x61667263UL, /**< 'afrc' */
LE_AKHN_FEATURE_TAG = 0x616B686EUL, /**< 'akhn' */
LE_BLWF_FEATURE_TAG = 0x626C7766UL, /**< 'blwf' */
LE_BLWM_FEATURE_TAG = 0x626C776DUL, /**< 'blwm' */
LE_BLWS_FEATURE_TAG = 0x626C7773UL, /**< 'blws' */
LE_CALT_FEATURE_TAG = 0x63616C74UL, /**< 'calt' */
LE_CASE_FEATURE_TAG = 0x63617365UL, /**< 'case' */
LE_CCMP_FEATURE_TAG = 0x63636D70UL, /**< 'ccmp' */
LE_CJCT_FEATURE_TAG = 0x636A6374UL, /**< 'cjct' */
LE_CLIG_FEATURE_TAG = 0x636C6967UL, /**< 'clig' */
LE_CPSP_FEATURE_TAG = 0x63707370UL, /**< 'cpsp' */
LE_CSWH_FEATURE_TAG = 0x63737768UL, /**< 'cswh' */
LE_CURS_FEATURE_TAG = 0x63757273UL, /**< 'curs' */
LE_C2SC_FEATURE_TAG = 0x63327363UL, /**< 'c2sc' */
LE_C2PC_FEATURE_TAG = 0x63327063UL, /**< 'c2pc' */
LE_DIST_FEATURE_TAG = 0x64697374UL, /**< 'dist' */
LE_DLIG_FEATURE_TAG = 0x646C6967UL, /**< 'dlig' */
LE_DNOM_FEATURE_TAG = 0x646E6F6DUL, /**< 'dnom' */
LE_EXPT_FEATURE_TAG = 0x65787074UL, /**< 'expt' */
LE_FALT_FEATURE_TAG = 0x66616C74UL, /**< 'falt' */
LE_FIN2_FEATURE_TAG = 0x66696E32UL, /**< 'fin2' */
LE_FIN3_FEATURE_TAG = 0x66696E33UL, /**< 'fin3' */
LE_FINA_FEATURE_TAG = 0x66696E61UL, /**< 'fina' */
LE_FRAC_FEATURE_TAG = 0x66726163UL, /**< 'frac' */
LE_FWID_FEATURE_TAG = 0x66776964UL, /**< 'fwid' */
LE_HALF_FEATURE_TAG = 0x68616C66UL, /**< 'half' */
LE_HALN_FEATURE_TAG = 0x68616C6EUL, /**< 'haln' */
LE_HALT_FEATURE_TAG = 0x68616C74UL, /**< 'halt' */
LE_HIST_FEATURE_TAG = 0x68697374UL, /**< 'hist' */
LE_HKNA_FEATURE_TAG = 0x686B6E61UL, /**< 'hkna' */
LE_HLIG_FEATURE_TAG = 0x686C6967UL, /**< 'hlig' */
LE_HNGL_FEATURE_TAG = 0x686E676CUL, /**< 'hngl' */
LE_HWID_FEATURE_TAG = 0x68776964UL, /**< 'hwid' */
LE_INIT_FEATURE_TAG = 0x696E6974UL, /**< 'init' */
LE_ISOL_FEATURE_TAG = 0x69736F6CUL, /**< 'isol' */
LE_ITAL_FEATURE_TAG = 0x6974616CUL, /**< 'ital' */
LE_JALT_FEATURE_TAG = 0x6A616C74UL, /**< 'jalt' */
LE_JP78_FEATURE_TAG = 0x6A703738UL, /**< 'jp78' */
LE_JP83_FEATURE_TAG = 0x6A703833UL, /**< 'jp83' */
LE_JP90_FEATURE_TAG = 0x6A703930UL, /**< 'jp90' */
LE_KERN_FEATURE_TAG = 0x6B65726EUL, /**< 'kern' */
LE_LFBD_FEATURE_TAG = 0x6C666264UL, /**< 'lfbd' */
LE_LIGA_FEATURE_TAG = 0x6C696761UL, /**< 'liga' */
LE_LJMO_FEATURE_TAG = 0x6C6A6D6FUL, /**< 'ljmo' */
LE_LNUM_FEATURE_TAG = 0x6C6E756DUL, /**< 'lnum' */
LE_LOCL_FEATURE_TAG = 0x6C6F636CUL, /**< 'locl' */
LE_MARK_FEATURE_TAG = 0x6D61726BUL, /**< 'mark' */
LE_MED2_FEATURE_TAG = 0x6D656432UL, /**< 'med2' */
LE_MEDI_FEATURE_TAG = 0x6D656469UL, /**< 'medi' */
LE_MGRK_FEATURE_TAG = 0x6D67726BUL, /**< 'mgrk' */
LE_MKMK_FEATURE_TAG = 0x6D6B6D6BUL, /**< 'mkmk' */
LE_MSET_FEATURE_TAG = 0x6D736574UL, /**< 'mset' */
LE_NALT_FEATURE_TAG = 0x6E616C74UL, /**< 'nalt' */
LE_NLCK_FEATURE_TAG = 0x6E6C636BUL, /**< 'nlck' */
LE_NUKT_FEATURE_TAG = 0x6E756B74UL, /**< 'nukt' */
LE_NUMR_FEATURE_TAG = 0x6E756D72UL, /**< 'numr' */
LE_ONUM_FEATURE_TAG = 0x6F6E756DUL, /**< 'onum' */
LE_OPBD_FEATURE_TAG = 0x6F706264UL, /**< 'opbd' */
LE_ORDN_FEATURE_TAG = 0x6F72646EUL, /**< 'ordn' */
LE_ORNM_FEATURE_TAG = 0x6F726E6DUL, /**< 'ornm' */
LE_PALT_FEATURE_TAG = 0x70616C74UL, /**< 'palt' */
LE_PCAP_FEATURE_TAG = 0x70636170UL, /**< 'pcap' */
LE_PNUM_FEATURE_TAG = 0x706E756DUL, /**< 'pnum' */
LE_PREF_FEATURE_TAG = 0x70726566UL, /**< 'pref' */
LE_PRES_FEATURE_TAG = 0x70726573UL, /**< 'pres' */
LE_PSTF_FEATURE_TAG = 0x70737466UL, /**< 'pstf' */
LE_PSTS_FEATURE_TAG = 0x70737473UL, /**< 'psts' */
LE_PWID_FEATURE_TAG = 0x70776964UL, /**< 'pwid' */
LE_QWID_FEATURE_TAG = 0x71776964UL, /**< 'qwid' */
LE_RAND_FEATURE_TAG = 0x72616E64UL, /**< 'rand' */
LE_RLIG_FEATURE_TAG = 0x726C6967UL, /**< 'rlig' */
LE_RPHF_FEATURE_TAG = 0x72706866UL, /**< 'rphf' */
LE_RKRF_FEATURE_TAG = 0x726B7266UL, /**< 'rkrf' */
LE_RTBD_FEATURE_TAG = 0x72746264UL, /**< 'rtbd' */
LE_RTLA_FEATURE_TAG = 0x72746C61UL, /**< 'rtla' */
LE_RUBY_FEATURE_TAG = 0x72756279UL, /**< 'ruby' */
LE_SALT_FEATURE_TAG = 0x73616C74UL, /**< 'salt' */
LE_SINF_FEATURE_TAG = 0x73696E66UL, /**< 'sinf' */
LE_SIZE_FEATURE_TAG = 0x73697A65UL, /**< 'size' */
LE_SMCP_FEATURE_TAG = 0x736D6370UL, /**< 'smcp' */
LE_SMPL_FEATURE_TAG = 0x736D706CUL, /**< 'smpl' */
LE_SS01_FEATURE_TAG = 0x73733031UL, /**< 'ss01' */
LE_SS02_FEATURE_TAG = 0x73733032UL, /**< 'ss02' */
LE_SS03_FEATURE_TAG = 0x73733033UL, /**< 'ss03' */
LE_SS04_FEATURE_TAG = 0x73733034UL, /**< 'ss04' */
LE_SS05_FEATURE_TAG = 0x73733035UL, /**< 'ss05' */
LE_SS06_FEATURE_TAG = 0x73733036UL, /**< 'ss06' */
LE_SS07_FEATURE_TAG = 0x73733037UL, /**< 'ss07' */
LE_SS08_FEATURE_TAG = 0x73733038UL, /**< 'ss08' */
LE_SS09_FEATURE_TAG = 0x73733039UL, /**< 'ss09' */
LE_SS10_FEATURE_TAG = 0x73733130UL, /**< 'ss10' */
LE_SS11_FEATURE_TAG = 0x73733131UL, /**< 'ss11' */
LE_SS12_FEATURE_TAG = 0x73733132UL, /**< 'ss12' */
LE_SS13_FEATURE_TAG = 0x73733133UL, /**< 'ss13' */
LE_SS14_FEATURE_TAG = 0x73733134UL, /**< 'ss14' */
LE_SS15_FEATURE_TAG = 0x73733135UL, /**< 'ss15' */
LE_SS16_FEATURE_TAG = 0x73733136UL, /**< 'ss16' */
LE_SS17_FEATURE_TAG = 0x73733137UL, /**< 'ss17' */
LE_SS18_FEATURE_TAG = 0x73733138UL, /**< 'ss18' */
LE_SS19_FEATURE_TAG = 0x73733139UL, /**< 'ss19' */
LE_SS20_FEATURE_TAG = 0x73733230UL, /**< 'ss20' */
LE_SUBS_FEATURE_TAG = 0x73756273UL, /**< 'subs' */
LE_SUPS_FEATURE_TAG = 0x73757073UL, /**< 'sups' */
LE_SWSH_FEATURE_TAG = 0x73777368UL, /**< 'swsh' */
LE_TITL_FEATURE_TAG = 0x7469746CUL, /**< 'titl' */
LE_TJMO_FEATURE_TAG = 0x746A6D6FUL, /**< 'tjmo' */
LE_TNAM_FEATURE_TAG = 0x746E616DUL, /**< 'tnam' */
LE_TNUM_FEATURE_TAG = 0x746E756DUL, /**< 'tnum' */
LE_TRAD_FEATURE_TAG = 0x74726164UL, /**< 'trad' */
LE_TWID_FEATURE_TAG = 0x74776964UL, /**< 'twid' */
LE_UNIC_FEATURE_TAG = 0x756E6963UL, /**< 'unic' */
LE_VALT_FEATURE_TAG = 0x76616C74UL, /**< 'valt' */
LE_VATU_FEATURE_TAG = 0x76617475UL, /**< 'vatu' */
LE_VERT_FEATURE_TAG = 0x76657274UL, /**< 'vert' */
LE_VHAL_FEATURE_TAG = 0x7668616CUL, /**< 'vhal' */
LE_VJMO_FEATURE_TAG = 0x766A6D6FUL, /**< 'vjmo' */
LE_VKNA_FEATURE_TAG = 0x766B6E61UL, /**< 'vkna' */
LE_VKRN_FEATURE_TAG = 0x766B726EUL, /**< 'vkrn' */
LE_VPAL_FEATURE_TAG = 0x7670616CUL, /**< 'vpal' */
LE_VRT2_FEATURE_TAG = 0x76727432UL, /**< 'vrt2' */
LE_ZERO_FEATURE_TAG = 0x7A65726FUL /**< 'zero' */
};
/**
* @internal
*/
enum LEFeatureENUMs {
LE_Kerning_FEATURE_ENUM = 0, /**< Requests Kerning. Formerly LayoutEngine::kTypoFlagKern */
LE_Ligatures_FEATURE_ENUM = 1, /**< Requests Ligatures. Formerly LayoutEngine::kTypoFlagLiga */
LE_CLIG_FEATURE_ENUM, /**< Feature specific enum */
LE_DLIG_FEATURE_ENUM, /**< Feature specific enum */
LE_HLIG_FEATURE_ENUM, /**< Feature specific enum */
LE_LIGA_FEATURE_ENUM, /**< Feature specific enum */
LE_RLIG_FEATURE_ENUM, /**< Feature specific enum */
LE_SMCP_FEATURE_ENUM, /**< Feature specific enum */
LE_FRAC_FEATURE_ENUM, /**< Feature specific enum */
LE_AFRC_FEATURE_ENUM, /**< Feature specific enum */
LE_ZERO_FEATURE_ENUM, /**< Feature specific enum */
LE_SWSH_FEATURE_ENUM, /**< Feature specific enum */
LE_CSWH_FEATURE_ENUM, /**< Feature specific enum */
LE_SALT_FEATURE_ENUM, /**< Feature specific enum */
LE_NALT_FEATURE_ENUM, /**< Feature specific enum */
LE_RUBY_FEATURE_ENUM, /**< Feature specific enum */
LE_SS01_FEATURE_ENUM, /**< Feature specific enum */
LE_SS02_FEATURE_ENUM, /**< Feature specific enum */
LE_SS03_FEATURE_ENUM, /**< Feature specific enum */
LE_SS04_FEATURE_ENUM, /**< Feature specific enum */
LE_SS05_FEATURE_ENUM, /**< Feature specific enum */
LE_SS06_FEATURE_ENUM, /**< Feature specific enum */
LE_SS07_FEATURE_ENUM, /**< Feature specific enum */
LE_CHAR_FILTER_FEATURE_ENUM = 31, /**< Apply CharSubstitutionFilter */
LE_FEATURE_ENUM_MAX = LE_CHAR_FILTER_FEATURE_ENUM
};
/**
* Flags for typographic features.
* @internal
* @{
*/
#define LE_Kerning_FEATURE_FLAG (1 << LE_Kerning_FEATURE_ENUM)
#define LE_Ligatures_FEATURE_FLAG (1 << LE_Ligatures_FEATURE_ENUM)
#define LE_CLIG_FEATURE_FLAG (1 << LE_CLIG_FEATURE_ENUM)
#define LE_DLIG_FEATURE_FLAG (1 << LE_DLIG_FEATURE_ENUM)
#define LE_HLIG_FEATURE_FLAG (1 << LE_HLIG_FEATURE_ENUM)
#define LE_LIGA_FEATURE_FLAG (1 << LE_LIGA_FEATURE_ENUM)
#define LE_RLIG_FEATURE_FLAG (1 << LE_RLIG_FEATURE_ENUM)
#define LE_SMCP_FEATURE_FLAG (1 << LE_SMCP_FEATURE_ENUM)
#define LE_FRAC_FEATURE_FLAG (1 << LE_FRAC_FEATURE_ENUM)
#define LE_AFRC_FEATURE_FLAG (1 << LE_AFRC_FEATURE_ENUM)
#define LE_ZERO_FEATURE_FLAG (1 << LE_ZERO_FEATURE_ENUM)
#define LE_SWSH_FEATURE_FLAG (1 << LE_SWSH_FEATURE_ENUM)
#define LE_CSWH_FEATURE_FLAG (1 << LE_CSWH_FEATURE_ENUM)
#define LE_SALT_FEATURE_FLAG (1 << LE_SALT_FEATURE_ENUM)
#define LE_NALT_FEATURE_FLAG (1 << LE_NALT_FEATURE_ENUM)
#define LE_RUBY_FEATURE_FLAG (1 << LE_RUBY_FEATURE_ENUM)
#define LE_SS01_FEATURE_FLAG (1 << LE_SS01_FEATURE_ENUM)
#define LE_SS02_FEATURE_FLAG (1 << LE_SS02_FEATURE_ENUM)
#define LE_SS03_FEATURE_FLAG (1 << LE_SS03_FEATURE_ENUM)
#define LE_SS04_FEATURE_FLAG (1 << LE_SS04_FEATURE_ENUM)
#define LE_SS05_FEATURE_FLAG (1 << LE_SS05_FEATURE_ENUM)
#define LE_SS06_FEATURE_FLAG (1 << LE_SS06_FEATURE_ENUM)
#define LE_SS07_FEATURE_FLAG (1 << LE_SS07_FEATURE_ENUM)
#define LE_CHAR_FILTER_FEATURE_FLAG (1 << LE_CHAR_FILTER_FEATURE_ENUM)
/**
* @}
*/
#define LE_DEFAULT_FEATURE_FLAG (LE_Kerning_FEATURE_FLAG | LE_Ligatures_FEATURE_FLAG) /**< default features */
/**
* Error codes returned by the LayoutEngine.
*
* @stable ICU 2.4
*/
enum LEErrorCode {
/* informational */
LE_NO_SUBFONT_WARNING = U_USING_DEFAULT_WARNING, /**< The font does not contain subfonts. */
/* success */
LE_NO_ERROR = U_ZERO_ERROR, /**< No error, no warning. */
/* failures */
LE_ILLEGAL_ARGUMENT_ERROR = U_ILLEGAL_ARGUMENT_ERROR, /**< An illegal argument was detected. */
LE_MEMORY_ALLOCATION_ERROR = U_MEMORY_ALLOCATION_ERROR, /**< Memory allocation error. */
LE_INDEX_OUT_OF_BOUNDS_ERROR = U_INDEX_OUTOFBOUNDS_ERROR, /**< Trying to access an index that is out of bounds. */
LE_NO_LAYOUT_ERROR = U_UNSUPPORTED_ERROR, /**< You must call layoutChars() first. */
LE_INTERNAL_ERROR = U_INTERNAL_PROGRAM_ERROR, /**< An internal error was encountered. */
LE_FONT_FILE_NOT_FOUND_ERROR = U_FILE_ACCESS_ERROR, /**< The requested font file cannot be opened. */
LE_MISSING_FONT_TABLE_ERROR = U_MISSING_RESOURCE_ERROR /**< The requested font table does not exist. */
};
#ifndef __cplusplus
/**
* Error codes returned by the LayoutEngine.
*
* @stable ICU 2.4
*/
typedef enum LEErrorCode LEErrorCode;
#endif
/**
* A convenience macro to test for the success of a LayoutEngine call.
*
* @stable ICU 2.4
*/
#define LE_SUCCESS(code) (U_SUCCESS((UErrorCode)code))
/**
* A convenience macro to test for the failure of a LayoutEngine call.
*
* @stable ICU 2.4
*/
#define LE_FAILURE(code) (U_FAILURE((UErrorCode)code))
#endif