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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-03-07 22:32:14 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2018-03-07 22:32:14 +0000
commitef9282421b00185a4962b7d22b96e979687258e2 (patch)
treeb6d0d8c700086d3141e228187693a26b102c971f /Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer.cc
parent55fbdeae2498166ec7c7301fd48d990fc9010058 (diff)
harfbuzz-1.7.6
git-svn-id: svn://tug.org/texlive/trunk@46877 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer.cc')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer.cc118
1 files changed, 4 insertions, 114 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer.cc
index 2db4f6097d8..304879d8fbb 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-khmer.cc
@@ -24,119 +24,9 @@
* Google Author(s): Behdad Esfahbod
*/
-#include "hb-ot-shape-complex-indic-private.hh"
+#include "hb-ot-shape-complex-khmer-private.hh"
#include "hb-ot-layout-private.hh"
-/* buffer var allocations */
-#define khmer_category() complex_var_u8_0() /* khmer_category_t */
-#define khmer_position() complex_var_u8_1() /* khmer_position_t */
-
-
-/*
- * Khmer shaper.
- */
-
-typedef indic_category_t khmer_category_t;
-typedef indic_position_t khmer_position_t;
-
-
-static inline khmer_position_t
-matra_position (khmer_position_t side)
-{
- switch ((int) side)
- {
- case POS_PRE_C:
- return POS_PRE_M;
-
- case POS_POST_C:
- case POS_ABOVE_C:
- case POS_BELOW_C:
- return POS_AFTER_POST;
-
- default:
- return side;
- };
-}
-
-static inline bool
-is_one_of (const hb_glyph_info_t &info, unsigned int flags)
-{
- /* If it ligated, all bets are off. */
- if (_hb_glyph_info_ligated (&info)) return false;
- return !!(FLAG_UNSAFE (info.khmer_category()) & flags);
-}
-
-static inline bool
-is_joiner (const hb_glyph_info_t &info)
-{
- return is_one_of (info, JOINER_FLAGS);
-}
-
-static inline bool
-is_consonant (const hb_glyph_info_t &info)
-{
- return is_one_of (info, CONSONANT_FLAGS | FLAG (OT_V));
-}
-
-static inline bool
-is_coeng (const hb_glyph_info_t &info)
-{
- return is_one_of (info, FLAG (OT_Coeng));
-}
-
-static inline void
-set_khmer_properties (hb_glyph_info_t &info)
-{
- hb_codepoint_t u = info.codepoint;
- unsigned int type = hb_indic_get_categories (u);
- khmer_category_t cat = (khmer_category_t) (type & 0x7Fu);
- khmer_position_t pos = (khmer_position_t) (type >> 8);
-
-
- /*
- * Re-assign category
- */
-
- if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
- else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x17CDu, 0x17D1u) ||
- u == 0x17CBu || u == 0x17D3u || u == 0x17DDu)) /* Khmer Various signs */
- {
- /* These can occur mid-syllable (eg. before matras), even though Unicode marks them as Syllable_Modifier.
- * https://github.com/roozbehp/unicode-data/issues/5 */
- cat = OT_M;
- pos = POS_ABOVE_C;
- }
- else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u))) cat = OT_PLACEHOLDER;
- else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
-
-
- /*
- * Re-assign position.
- */
-
- if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
- {
- pos = POS_BASE_C;
- if (u == 0x179Au)
- cat = OT_Ra;
- }
- else if (cat == OT_M)
- {
- pos = matra_position (pos);
- }
- else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) | FLAG (OT_A) | FLAG (OT_Symbol))))
- {
- pos = POS_SMVD;
- }
-
- info.khmer_category() = cat;
- info.khmer_position() = pos;
-}
-
-/*
- * Things above this line should ideally be moved to the Indic table itself.
- */
-
/*
* Khmer shaper.
@@ -404,7 +294,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
/* Mark all subsequent consonants as below. */
for (unsigned int i = base + 1; i < end; i++)
- if (is_consonant (info[i]))
+ if (is_consonant_or_vowel (info[i]))
info[i].khmer_position() = POS_BELOW_C;
/* Mark final consonants. A final consonant is one appearing after a matra,
@@ -412,7 +302,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
for (unsigned int i = base + 1; i < end; i++)
if (info[i].khmer_category() == OT_M) {
for (unsigned int j = i + 1; j < end; j++)
- if (is_consonant (info[j])) {
+ if (is_consonant_or_vowel (info[j])) {
info[j].khmer_position() = POS_FINAL_C;
break;
}
@@ -455,7 +345,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
{
unsigned int last = base;
for (unsigned int i = base + 1; i < end; i++)
- if (is_consonant (info[i]))
+ if (is_consonant_or_vowel (info[i]))
{
for (unsigned int j = last + 1; j < i; j++)
if (info[j].khmer_position() < POS_SMVD)