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Add Indic inspection tool

This commit is contained in:
Behdad Esfahbod 2012-04-19 22:34:06 -04:00
parent a06411ecf9
commit 3ed4634ec3
4 changed files with 317 additions and 229 deletions
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7
src/Makefile.am
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@ -67,6 +67,7 @@ HBSOURCES += \
hb-ot-shape-complex-arabic-table.hh \
hb-ot-shape-complex-indic.cc \
hb-ot-shape-complex-indic-machine.hh \
hb-ot-shape-complex-indic-private.hh \
hb-ot-shape-complex-indic-table.hh \
hb-ot-shape-complex-misc.cc \
hb-ot-shape-complex-private.hh \
@ -169,13 +170,17 @@ hb-ot-shape-complex-indic-machine.hh: hb-ot-shape-complex-indic-machine.rl
$(AM_V_GEN)$(top_srcdir)/missing --run ragel -e -F1 -o "$@.tmp" "$<" && \
mv "$@.tmp" "$@" || ( $(RM) "$@.tmp" && false )
noinst_PROGRAMS = main
noinst_PROGRAMS = main indic
bin_PROGRAMS =
main_SOURCES = main.cc
main_CPPFLAGS = $(HBCFLAGS)
main_LDADD = libharfbuzz.la $(HBLIBS)
indic_SOURCES = indic.cc
indic_CPPFLAGS = $(HBCFLAGS)
indic_LDADD = libharfbuzz.la $(HBLIBS)
dist_check_SCRIPTS = \
check-c-linkage-decls.sh \
check-header-guards.sh \

264
src/hb-ot-shape-complex-indic-private.hh Normal file
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@ -0,0 +1,264 @@
/*
* Copyright © 2012 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH
#define HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH
#include "hb-private.hh"
#include "hb-ot-shape-complex-private.hh"
/* buffer var allocations */
#define indic_category() complex_var_persistent_u8_0() /* indic_category_t */
#define indic_position() complex_var_persistent_u8_1() /* indic_matra_category_t */
#define INDIC_TABLE_ELEMENT_TYPE uint8_t
/* Cateories used in the OpenType spec:
* https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx
*/
/* Note: This enum is duplicated in the -machine.rl source file.
* Not sure how to avoid duplication. */
enum indic_category_t {
OT_X = 0,
OT_C,
OT_Ra, /* Not explicitly listed in the OT spec, but used in the grammar. */
OT_V,
OT_N,
OT_H,
OT_ZWNJ,
OT_ZWJ,
OT_M,
OT_SM,
OT_VD,
OT_A,
OT_NBSP
};
/* Visual positions in a syllable from left to right. */
enum indic_position_t {
POS_PRE = 1,
POS_BASE = 2,
POS_ABOVE = 3,
POS_BELOW = 4,
POS_POST = 5
};
/* Categories used in IndicSyllabicCategory.txt from UCD */
/* The assignments are guesswork */
enum indic_syllabic_category_t {
INDIC_SYLLABIC_CATEGORY_OTHER = OT_X,
INDIC_SYLLABIC_CATEGORY_AVAGRAHA = OT_X,
INDIC_SYLLABIC_CATEGORY_BINDU = OT_SM,
INDIC_SYLLABIC_CATEGORY_CONSONANT = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_DEAD = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_FINAL = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_HEAD_LETTER = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_PLACEHOLDER = OT_NBSP,
INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_REPHA = OT_C,
INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER = OT_X,
INDIC_SYLLABIC_CATEGORY_NUKTA = OT_N,
INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER = OT_X,
INDIC_SYLLABIC_CATEGORY_TONE_LETTER = OT_X,
INDIC_SYLLABIC_CATEGORY_TONE_MARK = OT_X,
INDIC_SYLLABIC_CATEGORY_VIRAMA = OT_H,
INDIC_SYLLABIC_CATEGORY_VISARGA = OT_SM,
INDIC_SYLLABIC_CATEGORY_VOWEL = OT_V,
INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT = OT_M,
INDIC_SYLLABIC_CATEGORY_VOWEL_INDEPENDENT = OT_V
};
/* Categories used in IndicSMatraCategory.txt from UCD */
enum indic_matra_category_t {
INDIC_MATRA_CATEGORY_NOT_APPLICABLE = POS_BASE,
INDIC_MATRA_CATEGORY_LEFT = POS_PRE - 1, /* Move *before* existing "pre" chars */
INDIC_MATRA_CATEGORY_TOP = POS_ABOVE,
INDIC_MATRA_CATEGORY_BOTTOM = POS_BELOW,
INDIC_MATRA_CATEGORY_RIGHT = POS_POST,
/* We don't really care much about these since we decompose them
* in the generic pre-shaping layer. They will only be used if
* the font does not cover the decomposition. In which case, we
* define these as aliases to the place we want the split-matra
* glyph to show up. Quite arbitrary.
*
* TODO: There are some split matras without Unicode decompositions.
* We have to figure out what to do with them.
*/
INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_BOTTOM,
INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_LEFT,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM = 8 | INDIC_MATRA_CATEGORY_BOTTOM,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_BOTTOM,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT = 8 | INDIC_MATRA_CATEGORY_LEFT,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_LEFT,
INDIC_MATRA_CATEGORY_TOP_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_RIGHT,
INDIC_MATRA_CATEGORY_INVISIBLE = INDIC_MATRA_CATEGORY_NOT_APPLICABLE,
INDIC_MATRA_CATEGORY_OVERSTRUCK = INDIC_MATRA_CATEGORY_NOT_APPLICABLE,
INDIC_MATRA_CATEGORY_VISUAL_ORDER_LEFT = INDIC_MATRA_CATEGORY_NOT_APPLICABLE
};
/* Note: We use ASSERT_STATIC_EXPR_ZERO() instead of ASSERT_STATIC_EXPR() and the comma operation
* because gcc fails to optimize the latter and fills the table in at runtime. */
#define INDIC_COMBINE_CATEGORIES(S,M) \
(ASSERT_STATIC_EXPR_ZERO (M == INDIC_MATRA_CATEGORY_NOT_APPLICABLE || (S == INDIC_SYLLABIC_CATEGORY_VIRAMA || S == INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT)) + \
ASSERT_STATIC_EXPR_ZERO (S < 16 && M < 16) + \
((M << 4) | S))
#include "hb-ot-shape-complex-indic-table.hh"
/* XXX
* This is a hack for now. We should:
* 1. Move this data into the main Indic table,
* and/or
* 2. Probe font lookups to determine consonant positions.
*/
static const struct consonant_position_t {
hb_codepoint_t u;
indic_position_t position;
} consonant_positions[] = {
{0x0930, POS_BELOW},
{0x09AC, POS_BELOW},
{0x09AF, POS_POST},
{0x09B0, POS_BELOW},
{0x09F0, POS_BELOW},
{0x0A2F, POS_POST},
{0x0A30, POS_BELOW},
{0x0A35, POS_BELOW},
{0x0A39, POS_BELOW},
{0x0AB0, POS_BELOW},
{0x0B24, POS_BELOW},
{0x0B28, POS_BELOW},
{0x0B2C, POS_BELOW},
{0x0B2D, POS_BELOW},
{0x0B2E, POS_BELOW},
{0x0B2F, POS_POST},
{0x0B30, POS_BELOW},
{0x0B32, POS_BELOW},
{0x0B33, POS_BELOW},
{0x0B5F, POS_POST},
{0x0B71, POS_BELOW},
{0x0C15, POS_BELOW},
{0x0C16, POS_BELOW},
{0x0C17, POS_BELOW},
{0x0C18, POS_BELOW},
{0x0C19, POS_BELOW},
{0x0C1A, POS_BELOW},
{0x0C1B, POS_BELOW},
{0x0C1C, POS_BELOW},
{0x0C1D, POS_BELOW},
{0x0C1E, POS_BELOW},
{0x0C1F, POS_BELOW},
{0x0C20, POS_BELOW},
{0x0C21, POS_BELOW},
{0x0C22, POS_BELOW},
{0x0C23, POS_BELOW},
{0x0C24, POS_BELOW},
{0x0C25, POS_BELOW},
{0x0C26, POS_BELOW},
{0x0C27, POS_BELOW},
{0x0C28, POS_BELOW},
{0x0C2A, POS_BELOW},
{0x0C2B, POS_BELOW},
{0x0C2C, POS_BELOW},
{0x0C2D, POS_BELOW},
{0x0C2E, POS_BELOW},
{0x0C2F, POS_BELOW},
{0x0C30, POS_BELOW},
{0x0C32, POS_BELOW},
{0x0C33, POS_BELOW},
{0x0C35, POS_BELOW},
{0x0C36, POS_BELOW},
{0x0C37, POS_BELOW},
{0x0C38, POS_BELOW},
{0x0C39, POS_BELOW},
{0x0C95, POS_BELOW},
{0x0C96, POS_BELOW},
{0x0C97, POS_BELOW},
{0x0C98, POS_BELOW},
{0x0C99, POS_BELOW},
{0x0C9A, POS_BELOW},
{0x0C9B, POS_BELOW},
{0x0C9C, POS_BELOW},
{0x0C9D, POS_BELOW},
{0x0C9E, POS_BELOW},
{0x0C9F, POS_BELOW},
{0x0CA0, POS_BELOW},
{0x0CA1, POS_BELOW},
{0x0CA2, POS_BELOW},
{0x0CA3, POS_BELOW},
{0x0CA4, POS_BELOW},
{0x0CA5, POS_BELOW},
{0x0CA6, POS_BELOW},
{0x0CA7, POS_BELOW},
{0x0CA8, POS_BELOW},
{0x0CAA, POS_BELOW},
{0x0CAB, POS_BELOW},
{0x0CAC, POS_BELOW},
{0x0CAD, POS_BELOW},
{0x0CAE, POS_BELOW},
{0x0CAF, POS_BELOW},
{0x0CB0, POS_BELOW},
{0x0CB2, POS_BELOW},
{0x0CB3, POS_BELOW},
{0x0CB5, POS_BELOW},
{0x0CB6, POS_BELOW},
{0x0CB7, POS_BELOW},
{0x0CB8, POS_BELOW},
{0x0CB9, POS_BELOW},
{0x0CDE, POS_BELOW},
{0x0D2F, POS_POST},
{0x0D30, POS_POST},
{0x0D32, POS_BELOW},
{0x0D35, POS_POST},
};
/* XXX
* This is a hack for now. We should move this data into the main Indic table.
*/
static const hb_codepoint_t ra_chars[] = {
0x0930, /* Devanagari */
0x09B0, /* Bengali */
0x09F0, /* Bengali */
//0x09F1, /* Bengali */
//0x0A30, /* Gurmukhi */
0x0AB0, /* Gujarati */
0x0B30, /* Oriya */
//0x0BB0, /* Tamil */
//0x0C30, /* Telugu */
0x0CB0, /* Kannada */
//0x0D30, /* Malayalam */
};
#endif /* HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH */

229
src/hb-ot-shape-complex-indic.cc
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@ -24,235 +24,8 @@
* Google Author(s): Behdad Esfahbod
*/
#include "hb-ot-shape-complex-private.hh"
/* buffer var allocations */
#define indic_category() complex_var_persistent_u8_0() /* indic_category_t */
#define indic_position() complex_var_persistent_u8_1() /* indic_matra_category_t */
#define INDIC_TABLE_ELEMENT_TYPE uint8_t
/* Cateories used in the OpenType spec:
* https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx
*/
/* Note: This enum is duplicated in the -machine.rl source file.
* Not sure how to avoid duplication. */
enum indic_category_t {
OT_X = 0,
OT_C,
OT_Ra, /* Not explicitly listed in the OT spec, but used in the grammar. */
OT_V,
OT_N,
OT_H,
OT_ZWNJ,
OT_ZWJ,
OT_M,
OT_SM,
OT_VD,
OT_A,
OT_NBSP
};
/* Visual positions in a syllable from left to right. */
enum indic_position_t {
POS_PRE = 1,
POS_BASE = 2,
POS_ABOVE = 3,
POS_BELOW = 4,
POS_POST = 5
};
/* Categories used in IndicSyllabicCategory.txt from UCD */
/* The assignments are guesswork */
enum indic_syllabic_category_t {
INDIC_SYLLABIC_CATEGORY_OTHER = OT_X,
INDIC_SYLLABIC_CATEGORY_AVAGRAHA = OT_X,
INDIC_SYLLABIC_CATEGORY_BINDU = OT_SM,
INDIC_SYLLABIC_CATEGORY_CONSONANT = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_DEAD = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_FINAL = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_HEAD_LETTER = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_PLACEHOLDER = OT_NBSP,
INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED = OT_C,
INDIC_SYLLABIC_CATEGORY_CONSONANT_REPHA = OT_C,
INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER = OT_X,
INDIC_SYLLABIC_CATEGORY_NUKTA = OT_N,
INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER = OT_X,
INDIC_SYLLABIC_CATEGORY_TONE_LETTER = OT_X,
INDIC_SYLLABIC_CATEGORY_TONE_MARK = OT_X,
INDIC_SYLLABIC_CATEGORY_VIRAMA = OT_H,
INDIC_SYLLABIC_CATEGORY_VISARGA = OT_SM,
INDIC_SYLLABIC_CATEGORY_VOWEL = OT_V,
INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT = OT_M,
INDIC_SYLLABIC_CATEGORY_VOWEL_INDEPENDENT = OT_V
};
/* Categories used in IndicSMatraCategory.txt from UCD */
enum indic_matra_category_t {
INDIC_MATRA_CATEGORY_NOT_APPLICABLE = POS_BASE,
INDIC_MATRA_CATEGORY_LEFT = POS_PRE - 1, /* Move *before* existing "pre" chars */
INDIC_MATRA_CATEGORY_TOP = POS_ABOVE,
INDIC_MATRA_CATEGORY_BOTTOM = POS_BELOW,
INDIC_MATRA_CATEGORY_RIGHT = POS_POST,
/* We don't really care much about these since we decompose them
* in the generic pre-shaping layer. They will only be used if
* the font does not cover the decomposition. In which case, we
* define these as aliases to the place we want the split-matra
* glyph to show up. Quite arbitrary.
*
* TODO: There are some split matras without Unicode decompositions.
* We have to figure out what to do with them.
*/
INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_BOTTOM,
INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_LEFT,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM = 8 | INDIC_MATRA_CATEGORY_BOTTOM,
INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_BOTTOM,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT = 8 | INDIC_MATRA_CATEGORY_LEFT,
INDIC_MATRA_CATEGORY_TOP_AND_LEFT_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_LEFT,
INDIC_MATRA_CATEGORY_TOP_AND_RIGHT = 8 | INDIC_MATRA_CATEGORY_RIGHT,
INDIC_MATRA_CATEGORY_INVISIBLE = INDIC_MATRA_CATEGORY_NOT_APPLICABLE,
INDIC_MATRA_CATEGORY_OVERSTRUCK = INDIC_MATRA_CATEGORY_NOT_APPLICABLE,
INDIC_MATRA_CATEGORY_VISUAL_ORDER_LEFT = INDIC_MATRA_CATEGORY_NOT_APPLICABLE
};
/* Note: We use ASSERT_STATIC_EXPR_ZERO() instead of ASSERT_STATIC_EXPR() and the comma operation
* because gcc fails to optimize the latter and fills the table in at runtime. */
#define INDIC_COMBINE_CATEGORIES(S,M) \
(ASSERT_STATIC_EXPR_ZERO (M == INDIC_MATRA_CATEGORY_NOT_APPLICABLE || (S == INDIC_SYLLABIC_CATEGORY_VIRAMA || S == INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT)) + \
ASSERT_STATIC_EXPR_ZERO (S < 16 && M < 16) + \
((M << 4) | S))
#include "hb-ot-shape-complex-indic-table.hh"
/* XXX
* This is a hack for now. We should:
* 1. Move this data into the main Indic table,
* and/or
* 2. Probe font lookups to determine consonant positions.
*/
static const struct consonant_position_t {
hb_codepoint_t u;
indic_position_t position;
} consonant_positions[] = {
{0x0930, POS_BELOW},
{0x09AC, POS_BELOW},
{0x09AF, POS_POST},
{0x09B0, POS_BELOW},
{0x09F0, POS_BELOW},
{0x0A2F, POS_POST},
{0x0A30, POS_BELOW},
{0x0A35, POS_BELOW},
{0x0A39, POS_BELOW},
{0x0AB0, POS_BELOW},
{0x0B24, POS_BELOW},
{0x0B28, POS_BELOW},
{0x0B2C, POS_BELOW},
{0x0B2D, POS_BELOW},
{0x0B2E, POS_BELOW},
{0x0B2F, POS_POST},
{0x0B30, POS_BELOW},
{0x0B32, POS_BELOW},
{0x0B33, POS_BELOW},
{0x0B5F, POS_POST},
{0x0B71, POS_BELOW},
{0x0C15, POS_BELOW},
{0x0C16, POS_BELOW},
{0x0C17, POS_BELOW},
{0x0C18, POS_BELOW},
{0x0C19, POS_BELOW},
{0x0C1A, POS_BELOW},
{0x0C1B, POS_BELOW},
{0x0C1C, POS_BELOW},
{0x0C1D, POS_BELOW},
{0x0C1E, POS_BELOW},
{0x0C1F, POS_BELOW},
{0x0C20, POS_BELOW},
{0x0C21, POS_BELOW},
{0x0C22, POS_BELOW},
{0x0C23, POS_BELOW},
{0x0C24, POS_BELOW},
{0x0C25, POS_BELOW},
{0x0C26, POS_BELOW},
{0x0C27, POS_BELOW},
{0x0C28, POS_BELOW},
{0x0C2A, POS_BELOW},
{0x0C2B, POS_BELOW},
{0x0C2C, POS_BELOW},
{0x0C2D, POS_BELOW},
{0x0C2E, POS_BELOW},
{0x0C2F, POS_BELOW},
{0x0C30, POS_BELOW},
{0x0C32, POS_BELOW},
{0x0C33, POS_BELOW},
{0x0C35, POS_BELOW},
{0x0C36, POS_BELOW},
{0x0C37, POS_BELOW},
{0x0C38, POS_BELOW},
{0x0C39, POS_BELOW},
{0x0C95, POS_BELOW},
{0x0C96, POS_BELOW},
{0x0C97, POS_BELOW},
{0x0C98, POS_BELOW},
{0x0C99, POS_BELOW},
{0x0C9A, POS_BELOW},
{0x0C9B, POS_BELOW},
{0x0C9C, POS_BELOW},
{0x0C9D, POS_BELOW},
{0x0C9E, POS_BELOW},
{0x0C9F, POS_BELOW},
{0x0CA0, POS_BELOW},
{0x0CA1, POS_BELOW},
{0x0CA2, POS_BELOW},
{0x0CA3, POS_BELOW},
{0x0CA4, POS_BELOW},
{0x0CA5, POS_BELOW},
{0x0CA6, POS_BELOW},
{0x0CA7, POS_BELOW},
{0x0CA8, POS_BELOW},
{0x0CAA, POS_BELOW},
{0x0CAB, POS_BELOW},
{0x0CAC, POS_BELOW},
{0x0CAD, POS_BELOW},
{0x0CAE, POS_BELOW},
{0x0CAF, POS_BELOW},
{0x0CB0, POS_BELOW},
{0x0CB2, POS_BELOW},
{0x0CB3, POS_BELOW},
{0x0CB5, POS_BELOW},
{0x0CB6, POS_BELOW},
{0x0CB7, POS_BELOW},
{0x0CB8, POS_BELOW},
{0x0CB9, POS_BELOW},
{0x0CDE, POS_BELOW},
{0x0D2F, POS_POST},
{0x0D30, POS_POST},
{0x0D32, POS_BELOW},
{0x0D35, POS_POST},
};
/* XXX
* This is a hack for now. We should move this data into the main Indic table.
*/
static const hb_codepoint_t ra_chars[] = {
0x0930, /* Devanagari */
0x09B0, /* Bengali */
0x09F0, /* Bengali */
//0x09F1, /* Bengali */
//0x0A30, /* Gurmukhi */
0x0AB0, /* Gujarati */
0x0B30, /* Oriya */
//0x0BB0, /* Tamil */
//0x0C30, /* Telugu */
0x0CB0, /* Kannada */
//0x0D30, /* Malayalam */
};
#include "hb-ot-shape-complex-indic-private.hh"
static int
compare_codepoint (const void *pa, const void *pb)

46
src/indic.cc Normal file
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@ -0,0 +1,46 @@
/*
* Copyright © 2012 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod
*/
#include "hb-ot-shape-complex-indic-private.hh"
int
main (void)
{
hb_unicode_funcs_t *funcs = hb_unicode_funcs_get_default ();
printf ("There are split matras without a Unicode decomposition:\n");
for (hb_codepoint_t u = 0; u < 0x110000; u++)
{
unsigned int type = get_indic_categories (u);
unsigned int category = type & 0x0F;
unsigned int position = type >> 4;
hb_codepoint_t a, b;
if ((position & 8) && !hb_unicode_decompose (funcs, u, &a, &b))
printf ("U+%04X\n", u);
}
}