jpayne@69: // © 2016 and later: Unicode, Inc. and others. jpayne@69: // License & terms of use: http://www.unicode.org/copyright.html jpayne@69: /* jpayne@69: ****************************************************************************** jpayne@69: * jpayne@69: * Copyright (C) 2000-2012, International Business Machines jpayne@69: * Corporation and others. All Rights Reserved. jpayne@69: * jpayne@69: ****************************************************************************** jpayne@69: * file name: ushape.h jpayne@69: * encoding: UTF-8 jpayne@69: * tab size: 8 (not used) jpayne@69: * indentation:4 jpayne@69: * jpayne@69: * created on: 2000jun29 jpayne@69: * created by: Markus W. Scherer jpayne@69: */ jpayne@69: jpayne@69: #ifndef __USHAPE_H__ jpayne@69: #define __USHAPE_H__ jpayne@69: jpayne@69: #include "unicode/utypes.h" jpayne@69: jpayne@69: /** jpayne@69: * \file jpayne@69: * \brief C API: Arabic shaping jpayne@69: * jpayne@69: */ jpayne@69: jpayne@69: /** jpayne@69: * Shape Arabic text on a character basis. jpayne@69: * jpayne@69: *

This function performs basic operations for "shaping" Arabic text. It is most jpayne@69: * useful for use with legacy data formats and legacy display technology jpayne@69: * (simple terminals). All operations are performed on Unicode characters.

jpayne@69: * jpayne@69: *

Text-based shaping means that some character code points in the text are jpayne@69: * replaced by others depending on the context. It transforms one kind of text jpayne@69: * into another. In comparison, modern displays for Arabic text select jpayne@69: * appropriate, context-dependent font glyphs for each text element, which means jpayne@69: * that they transform text into a glyph vector.

jpayne@69: * jpayne@69: *

Text transformations are necessary when modern display technology is not jpayne@69: * available or when text needs to be transformed to or from legacy formats that jpayne@69: * use "shaped" characters. Since the Arabic script is cursive, connecting jpayne@69: * adjacent letters to each other, computers select images for each letter based jpayne@69: * on the surrounding letters. This usually results in four images per Arabic jpayne@69: * letter: initial, middle, final, and isolated forms. In Unicode, on the other jpayne@69: * hand, letters are normally stored abstract, and a display system is expected jpayne@69: * to select the necessary glyphs. (This makes searching and other text jpayne@69: * processing easier because the same letter has only one code.) It is possible jpayne@69: * to mimic this with text transformations because there are characters in jpayne@69: * Unicode that are rendered as letters with a specific shape jpayne@69: * (or cursive connectivity). They were included for interoperability with jpayne@69: * legacy systems and codepages, and for unsophisticated display systems.

jpayne@69: * jpayne@69: *

A second kind of text transformations is supported for Arabic digits: jpayne@69: * For compatibility with legacy codepages that only include European digits, jpayne@69: * it is possible to replace one set of digits by another, changing the jpayne@69: * character code points. These operations can be performed for either jpayne@69: * Arabic-Indic Digits (U+0660...U+0669) or Eastern (Extended) Arabic-Indic jpayne@69: * digits (U+06f0...U+06f9).

jpayne@69: * jpayne@69: *

Some replacements may result in more or fewer characters (code points). jpayne@69: * By default, this means that the destination buffer may receive text with a jpayne@69: * length different from the source length. Some legacy systems rely on the jpayne@69: * length of the text to be constant. They expect extra spaces to be added jpayne@69: * or consumed either next to the affected character or at the end of the jpayne@69: * text.

jpayne@69: * jpayne@69: *

For details about the available operations, see the description of the jpayne@69: * U_SHAPE_... options.

jpayne@69: * jpayne@69: * @param source The input text. jpayne@69: * jpayne@69: * @param sourceLength The number of UChars in source. jpayne@69: * jpayne@69: * @param dest The destination buffer that will receive the results of the jpayne@69: * requested operations. It may be NULL only if jpayne@69: * destSize is 0. The source and destination must not jpayne@69: * overlap. jpayne@69: * jpayne@69: * @param destSize The size (capacity) of the destination buffer in UChars. jpayne@69: * If destSize is 0, then no output is produced, jpayne@69: * but the necessary buffer size is returned ("preflighting"). jpayne@69: * jpayne@69: * @param options This is a 32-bit set of flags that specify the operations jpayne@69: * that are performed on the input text. If no error occurs, jpayne@69: * then the result will always be written to the destination jpayne@69: * buffer. jpayne@69: * jpayne@69: * @param pErrorCode must be a valid pointer to an error code value, jpayne@69: * which must not indicate a failure before the function call. jpayne@69: * jpayne@69: * @return The number of UChars written to the destination buffer. jpayne@69: * If an error occurred, then no output was written, or it may be jpayne@69: * incomplete. If U_BUFFER_OVERFLOW_ERROR is set, then jpayne@69: * the return value indicates the necessary destination buffer size. jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: U_STABLE int32_t U_EXPORT2 jpayne@69: u_shapeArabic(const UChar *source, int32_t sourceLength, jpayne@69: UChar *dest, int32_t destSize, jpayne@69: uint32_t options, jpayne@69: UErrorCode *pErrorCode); jpayne@69: jpayne@69: /** jpayne@69: * Memory option: allow the result to have a different length than the source. jpayne@69: * Affects: LamAlef options jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_LENGTH_GROW_SHRINK 0 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: allow the result to have a different length than the source. jpayne@69: * Affects: LamAlef options jpayne@69: * This option is an alias to U_SHAPE_LENGTH_GROW_SHRINK jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_LAMALEF_RESIZE 0 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * If more room is necessary, then try to consume spaces next to modified characters. jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_LENGTH_FIXED_SPACES_NEAR 1 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * If more room is necessary, then try to consume spaces next to modified characters. jpayne@69: * Affects: LamAlef options jpayne@69: * This option is an alias to U_SHAPE_LENGTH_FIXED_SPACES_NEAR jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_LAMALEF_NEAR 1 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * If more room is necessary, then try to consume spaces at the end of the text. jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_LENGTH_FIXED_SPACES_AT_END 2 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * If more room is necessary, then try to consume spaces at the end of the text. jpayne@69: * Affects: LamAlef options jpayne@69: * This option is an alias to U_SHAPE_LENGTH_FIXED_SPACES_AT_END jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_LAMALEF_END 2 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * If more room is necessary, then try to consume spaces at the beginning of the text. jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_LENGTH_FIXED_SPACES_AT_BEGINNING 3 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * If more room is necessary, then try to consume spaces at the beginning of the text. jpayne@69: * Affects: LamAlef options jpayne@69: * This option is an alias to U_SHAPE_LENGTH_FIXED_SPACES_AT_BEGINNING jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_LAMALEF_BEGIN 3 jpayne@69: jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * Shaping Mode: For each LAMALEF character found, expand LAMALEF using space at end. jpayne@69: * If there is no space at end, use spaces at beginning of the buffer. If there jpayne@69: * is no space at beginning of the buffer, use spaces at the near (i.e. the space jpayne@69: * after the LAMALEF character). jpayne@69: * If there are no spaces found, an error U_NO_SPACE_AVAILABLE (as defined in utypes.h) jpayne@69: * will be set in pErrorCode jpayne@69: * jpayne@69: * Deshaping Mode: Perform the same function as the flag equals U_SHAPE_LAMALEF_END. jpayne@69: * Affects: LamAlef options jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_LAMALEF_AUTO 0x10000 jpayne@69: jpayne@69: /** Bit mask for memory options. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_LENGTH_MASK 0x10003 /* Changed old value 3 */ jpayne@69: jpayne@69: jpayne@69: /** jpayne@69: * Bit mask for LamAlef memory options. jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_LAMALEF_MASK 0x10003 /* updated */ jpayne@69: jpayne@69: /** Direction indicator: the source is in logical (keyboard) order. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_TEXT_DIRECTION_LOGICAL 0 jpayne@69: jpayne@69: /** jpayne@69: * Direction indicator: jpayne@69: * the source is in visual RTL order, jpayne@69: * the rightmost displayed character stored first. jpayne@69: * This option is an alias to U_SHAPE_TEXT_DIRECTION_LOGICAL jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_TEXT_DIRECTION_VISUAL_RTL 0 jpayne@69: jpayne@69: /** jpayne@69: * Direction indicator: jpayne@69: * the source is in visual LTR order, jpayne@69: * the leftmost displayed character stored first. jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_TEXT_DIRECTION_VISUAL_LTR 4 jpayne@69: jpayne@69: /** Bit mask for direction indicators. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_TEXT_DIRECTION_MASK 4 jpayne@69: jpayne@69: jpayne@69: /** Letter shaping option: do not perform letter shaping. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_LETTERS_NOOP 0 jpayne@69: jpayne@69: /** Letter shaping option: replace abstract letter characters by "shaped" ones. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_LETTERS_SHAPE 8 jpayne@69: jpayne@69: /** Letter shaping option: replace "shaped" letter characters by abstract ones. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_LETTERS_UNSHAPE 0x10 jpayne@69: jpayne@69: /** jpayne@69: * Letter shaping option: replace abstract letter characters by "shaped" ones. jpayne@69: * The only difference with U_SHAPE_LETTERS_SHAPE is that Tashkeel letters jpayne@69: * are always "shaped" into the isolated form instead of the medial form jpayne@69: * (selecting code points from the Arabic Presentation Forms-B block). jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_LETTERS_SHAPE_TASHKEEL_ISOLATED 0x18 jpayne@69: jpayne@69: jpayne@69: /** Bit mask for letter shaping options. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_LETTERS_MASK 0x18 jpayne@69: jpayne@69: jpayne@69: /** Digit shaping option: do not perform digit shaping. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_DIGITS_NOOP 0 jpayne@69: jpayne@69: /** jpayne@69: * Digit shaping option: jpayne@69: * Replace European digits (U+0030...) by Arabic-Indic digits. jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_DIGITS_EN2AN 0x20 jpayne@69: jpayne@69: /** jpayne@69: * Digit shaping option: jpayne@69: * Replace Arabic-Indic digits by European digits (U+0030...). jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_DIGITS_AN2EN 0x40 jpayne@69: jpayne@69: /** jpayne@69: * Digit shaping option: jpayne@69: * Replace European digits (U+0030...) by Arabic-Indic digits if the most recent jpayne@69: * strongly directional character is an Arabic letter jpayne@69: * (u_charDirection() result U_RIGHT_TO_LEFT_ARABIC [AL]).
jpayne@69: * The direction of "preceding" depends on the direction indicator option. jpayne@69: * For the first characters, the preceding strongly directional character jpayne@69: * (initial state) is assumed to be not an Arabic letter jpayne@69: * (it is U_LEFT_TO_RIGHT [L] or U_RIGHT_TO_LEFT [R]). jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_DIGITS_ALEN2AN_INIT_LR 0x60 jpayne@69: jpayne@69: /** jpayne@69: * Digit shaping option: jpayne@69: * Replace European digits (U+0030...) by Arabic-Indic digits if the most recent jpayne@69: * strongly directional character is an Arabic letter jpayne@69: * (u_charDirection() result U_RIGHT_TO_LEFT_ARABIC [AL]).
jpayne@69: * The direction of "preceding" depends on the direction indicator option. jpayne@69: * For the first characters, the preceding strongly directional character jpayne@69: * (initial state) is assumed to be an Arabic letter. jpayne@69: * @stable ICU 2.0 jpayne@69: */ jpayne@69: #define U_SHAPE_DIGITS_ALEN2AN_INIT_AL 0x80 jpayne@69: jpayne@69: /** Not a valid option value. May be replaced by a new option. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_DIGITS_RESERVED 0xa0 jpayne@69: jpayne@69: /** Bit mask for digit shaping options. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_DIGITS_MASK 0xe0 jpayne@69: jpayne@69: jpayne@69: /** Digit type option: Use Arabic-Indic digits (U+0660...U+0669). @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_DIGIT_TYPE_AN 0 jpayne@69: jpayne@69: /** Digit type option: Use Eastern (Extended) Arabic-Indic digits (U+06f0...U+06f9). @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_DIGIT_TYPE_AN_EXTENDED 0x100 jpayne@69: jpayne@69: /** Not a valid option value. May be replaced by a new option. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_DIGIT_TYPE_RESERVED 0x200 jpayne@69: jpayne@69: /** Bit mask for digit type options. @stable ICU 2.0 */ jpayne@69: #define U_SHAPE_DIGIT_TYPE_MASK 0x300 /* I need to change this from 0x3f00 to 0x300 */ jpayne@69: jpayne@69: /** jpayne@69: * Tashkeel aggregation option: jpayne@69: * Replaces any combination of U+0651 with one of jpayne@69: * U+064C, U+064D, U+064E, U+064F, U+0650 with jpayne@69: * U+FC5E, U+FC5F, U+FC60, U+FC61, U+FC62 consecutively. jpayne@69: * @stable ICU 3.6 jpayne@69: */ jpayne@69: #define U_SHAPE_AGGREGATE_TASHKEEL 0x4000 jpayne@69: /** Tashkeel aggregation option: do not aggregate tashkeels. @stable ICU 3.6 */ jpayne@69: #define U_SHAPE_AGGREGATE_TASHKEEL_NOOP 0 jpayne@69: /** Bit mask for tashkeel aggregation. @stable ICU 3.6 */ jpayne@69: #define U_SHAPE_AGGREGATE_TASHKEEL_MASK 0x4000 jpayne@69: jpayne@69: /** jpayne@69: * Presentation form option: jpayne@69: * Don't replace Arabic Presentation Forms-A and Arabic Presentation Forms-B jpayne@69: * characters with 0+06xx characters, before shaping. jpayne@69: * @stable ICU 3.6 jpayne@69: */ jpayne@69: #define U_SHAPE_PRESERVE_PRESENTATION 0x8000 jpayne@69: /** Presentation form option: jpayne@69: * Replace Arabic Presentation Forms-A and Arabic Presentationo Forms-B with jpayne@69: * their unshaped correspondants in range 0+06xx, before shaping. jpayne@69: * @stable ICU 3.6 jpayne@69: */ jpayne@69: #define U_SHAPE_PRESERVE_PRESENTATION_NOOP 0 jpayne@69: /** Bit mask for preserve presentation form. @stable ICU 3.6 */ jpayne@69: #define U_SHAPE_PRESERVE_PRESENTATION_MASK 0x8000 jpayne@69: jpayne@69: /* Seen Tail option */ jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * Shaping mode: The SEEN family character will expand into two characters using space near jpayne@69: * the SEEN family character(i.e. the space after the character). jpayne@69: * If there are no spaces found, an error U_NO_SPACE_AVAILABLE (as defined in utypes.h) jpayne@69: * will be set in pErrorCode jpayne@69: * jpayne@69: * De-shaping mode: Any Seen character followed by Tail character will be jpayne@69: * replaced by one cell Seen and a space will replace the Tail. jpayne@69: * Affects: Seen options jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_SEEN_TWOCELL_NEAR 0x200000 jpayne@69: jpayne@69: /** jpayne@69: * Bit mask for Seen memory options. jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_SEEN_MASK 0x700000 jpayne@69: jpayne@69: /* YehHamza option */ jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * Shaping mode: The YEHHAMZA character will expand into two characters using space near it jpayne@69: * (i.e. the space after the character jpayne@69: * If there are no spaces found, an error U_NO_SPACE_AVAILABLE (as defined in utypes.h) jpayne@69: * will be set in pErrorCode jpayne@69: * jpayne@69: * De-shaping mode: Any Yeh (final or isolated) character followed by Hamza character will be jpayne@69: * replaced by one cell YehHamza and space will replace the Hamza. jpayne@69: * Affects: YehHamza options jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_YEHHAMZA_TWOCELL_NEAR 0x1000000 jpayne@69: jpayne@69: jpayne@69: /** jpayne@69: * Bit mask for YehHamza memory options. jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_YEHHAMZA_MASK 0x3800000 jpayne@69: jpayne@69: /* New Tashkeel options */ jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * Shaping mode: Tashkeel characters will be replaced by spaces. jpayne@69: * Spaces will be placed at beginning of the buffer jpayne@69: * jpayne@69: * De-shaping mode: N/A jpayne@69: * Affects: Tashkeel options jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_TASHKEEL_BEGIN 0x40000 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * Shaping mode: Tashkeel characters will be replaced by spaces. jpayne@69: * Spaces will be placed at end of the buffer jpayne@69: * jpayne@69: * De-shaping mode: N/A jpayne@69: * Affects: Tashkeel options jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_TASHKEEL_END 0x60000 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: allow the result to have a different length than the source. jpayne@69: * Shaping mode: Tashkeel characters will be removed, buffer length will shrink. jpayne@69: * De-shaping mode: N/A jpayne@69: * jpayne@69: * Affect: Tashkeel options jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_TASHKEEL_RESIZE 0x80000 jpayne@69: jpayne@69: /** jpayne@69: * Memory option: the result must have the same length as the source. jpayne@69: * Shaping mode: Tashkeel characters will be replaced by Tatweel if it is connected to adjacent jpayne@69: * characters (i.e. shaped on Tatweel) or replaced by space if it is not connected. jpayne@69: * jpayne@69: * De-shaping mode: N/A jpayne@69: * Affects: YehHamza options jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_TASHKEEL_REPLACE_BY_TATWEEL 0xC0000 jpayne@69: jpayne@69: /** jpayne@69: * Bit mask for Tashkeel replacement with Space or Tatweel memory options. jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_TASHKEEL_MASK 0xE0000 jpayne@69: jpayne@69: jpayne@69: /* Space location Control options */ jpayne@69: /** jpayne@69: * This option affect the meaning of BEGIN and END options. if this option is not used the default jpayne@69: * for BEGIN and END will be as following: jpayne@69: * The Default (for both Visual LTR, Visual RTL and Logical Text) jpayne@69: * 1. BEGIN always refers to the start address of physical memory. jpayne@69: * 2. END always refers to the end address of physical memory. jpayne@69: * jpayne@69: * If this option is used it will swap the meaning of BEGIN and END only for Visual LTR text. jpayne@69: * jpayne@69: * The effect on BEGIN and END Memory Options will be as following: jpayne@69: * A. BEGIN For Visual LTR text: This will be the beginning (right side) of the visual text( jpayne@69: * corresponding to the physical memory address end for Visual LTR text, Same as END in jpayne@69: * default behavior) jpayne@69: * B. BEGIN For Logical text: Same as BEGIN in default behavior. jpayne@69: * C. END For Visual LTR text: This will be the end (left side) of the visual text (corresponding jpayne@69: * to the physical memory address beginning for Visual LTR text, Same as BEGIN in default behavior. jpayne@69: * D. END For Logical text: Same as END in default behavior). jpayne@69: * Affects: All LamAlef BEGIN, END and AUTO options. jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_SPACES_RELATIVE_TO_TEXT_BEGIN_END 0x4000000 jpayne@69: jpayne@69: /** jpayne@69: * Bit mask for swapping BEGIN and END for Visual LTR text jpayne@69: * @stable ICU 4.2 jpayne@69: */ jpayne@69: #define U_SHAPE_SPACES_RELATIVE_TO_TEXT_MASK 0x4000000 jpayne@69: jpayne@69: /** jpayne@69: * If this option is used, shaping will use the new Unicode code point for TAIL (i.e. 0xFE73). jpayne@69: * If this option is not specified (Default), old unofficial Unicode TAIL code point is used (i.e. 0x200B) jpayne@69: * De-shaping will not use this option as it will always search for both the new Unicode code point for the jpayne@69: * TAIL (i.e. 0xFE73) or the old unofficial Unicode TAIL code point (i.e. 0x200B) and de-shape the jpayne@69: * Seen-Family letter accordingly. jpayne@69: * jpayne@69: * Shaping Mode: Only shaping. jpayne@69: * De-shaping Mode: N/A. jpayne@69: * Affects: All Seen options jpayne@69: * @stable ICU 4.8 jpayne@69: */ jpayne@69: #define U_SHAPE_TAIL_NEW_UNICODE 0x8000000 jpayne@69: jpayne@69: /** jpayne@69: * Bit mask for new Unicode Tail option jpayne@69: * @stable ICU 4.8 jpayne@69: */ jpayne@69: #define U_SHAPE_TAIL_TYPE_MASK 0x8000000 jpayne@69: jpayne@69: #endif