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Diffstat (limited to 'src/hb-ot-shape-complex-indic.cc')
-rw-r--r--src/hb-ot-shape-complex-indic.cc59
1 files changed, 18 insertions, 41 deletions
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 1e151a7..94556f6 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -200,18 +200,10 @@ set_indic_properties (hb_glyph_info_t &info)
cat = OT_Symbol;
ASSERT_STATIC ((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol);
}
- else if (unlikely (u == 0x17DDu)) /* https://github.com/roozbehp/unicode-data/issues/2 */
- {
- cat = OT_M;
- pos = POS_ABOVE_C;
- }
else if (unlikely (u == 0x17C6u)) cat = OT_N; /* Khmer Bindu doesn't like to be repositioned. */
else if (unlikely (hb_in_range (u, 0x2010u, 0x2011u)))
cat = OT_PLACEHOLDER;
else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
- else if (unlikely (u == 0xA982u)) cat = OT_SM; /* Javanese repha. */
- else if (unlikely (u == 0xA9BEu)) cat = OT_CM2; /* Javanese medial ya. */
- else if (unlikely (u == 0xA9BDu)) { cat = OT_M; pos = POS_POST_C; } /* Javanese vocalic r. */
/*
@@ -277,11 +269,6 @@ enum blwf_mode_t {
BLWF_MODE_PRE_AND_POST, /* Below-forms feature applied to pre-base and post-base. */
BLWF_MODE_POST_ONLY /* Below-forms feature applied to post-base only. */
};
-enum pref_len_t {
- PREF_LEN_1 = 1,
- PREF_LEN_2 = 2,
- PREF_LEN_DONT_CARE = PREF_LEN_2
-};
struct indic_config_t
{
hb_script_t script;
@@ -291,26 +278,24 @@ struct indic_config_t
reph_position_t reph_pos;
reph_mode_t reph_mode;
blwf_mode_t blwf_mode;
- pref_len_t pref_len;
};
static const indic_config_t indic_configs[] =
{
/* Default. Should be first. */
- {HB_SCRIPT_INVALID, false, 0,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_1},
- {HB_SCRIPT_DEVANAGARI,true, 0x094Du,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_DONT_CARE},
- {HB_SCRIPT_BENGALI, true, 0x09CDu,BASE_POS_LAST, REPH_POS_AFTER_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_DONT_CARE},
- {HB_SCRIPT_GURMUKHI, true, 0x0A4Du,BASE_POS_LAST, REPH_POS_BEFORE_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_DONT_CARE},
- {HB_SCRIPT_GUJARATI, true, 0x0ACDu,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_DONT_CARE},
- {HB_SCRIPT_ORIYA, true, 0x0B4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_DONT_CARE},
- {HB_SCRIPT_TAMIL, true, 0x0BCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_2},
- {HB_SCRIPT_TELUGU, true, 0x0C4Du,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_EXPLICIT, BLWF_MODE_POST_ONLY, PREF_LEN_2},
- {HB_SCRIPT_KANNADA, true, 0x0CCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_POST_ONLY, PREF_LEN_2},
- {HB_SCRIPT_MALAYALAM, true, 0x0D4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_LOG_REPHA,BLWF_MODE_PRE_AND_POST, PREF_LEN_2},
+ {HB_SCRIPT_INVALID, false, 0,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_DEVANAGARI,true, 0x094Du,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_BENGALI, true, 0x09CDu,BASE_POS_LAST, REPH_POS_AFTER_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_GURMUKHI, true, 0x0A4Du,BASE_POS_LAST, REPH_POS_BEFORE_SUB, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_GUJARATI, true, 0x0ACDu,BASE_POS_LAST, REPH_POS_BEFORE_POST,REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_ORIYA, true, 0x0B4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_TAMIL, true, 0x0BCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_TELUGU, true, 0x0C4Du,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_EXPLICIT, BLWF_MODE_POST_ONLY},
+ {HB_SCRIPT_KANNADA, true, 0x0CCDu,BASE_POS_LAST, REPH_POS_AFTER_POST, REPH_MODE_IMPLICIT, BLWF_MODE_POST_ONLY},
+ {HB_SCRIPT_MALAYALAM, true, 0x0D4Du,BASE_POS_LAST, REPH_POS_AFTER_MAIN, REPH_MODE_LOG_REPHA,BLWF_MODE_PRE_AND_POST},
{HB_SCRIPT_SINHALA, false,0x0DCAu,BASE_POS_LAST_SINHALA,
- REPH_POS_AFTER_MAIN, REPH_MODE_EXPLICIT, BLWF_MODE_PRE_AND_POST, PREF_LEN_DONT_CARE},
- {HB_SCRIPT_KHMER, false,0x17D2u,BASE_POS_FIRST,REPH_POS_DONT_CARE, REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST, PREF_LEN_2},
- {HB_SCRIPT_JAVANESE, false,0xA9C0u,BASE_POS_FIRST,REPH_POS_DONT_CARE, REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST, PREF_LEN_1},
+ REPH_POS_AFTER_MAIN, REPH_MODE_EXPLICIT, BLWF_MODE_PRE_AND_POST},
+ {HB_SCRIPT_KHMER, false,0x17D2u,BASE_POS_FIRST,REPH_POS_DONT_CARE, REPH_MODE_VIS_REPHA,BLWF_MODE_PRE_AND_POST},
};
@@ -588,12 +573,8 @@ consonant_position_from_face (const indic_shape_plan_t *indic_plan,
if (indic_plan->pstf.would_substitute (glyphs , 2, face) ||
indic_plan->pstf.would_substitute (glyphs+1, 2, face))
return POS_POST_C;
- unsigned int pref_len = indic_plan->config->pref_len;
- if ((pref_len == PREF_LEN_2 &&
- (indic_plan->pref.would_substitute (glyphs , 2, face) ||
- indic_plan->pref.would_substitute (glyphs+1, 2, face)))
- || (pref_len == PREF_LEN_1 &&
- indic_plan->pref.would_substitute (glyphs+1, 1, face)))
+ if (indic_plan->pref.would_substitute (glyphs , 2, face) ||
+ indic_plan->pref.would_substitute (glyphs+1, 2, face))
return POS_POST_C;
return POS_BASE_C;
}
@@ -1099,10 +1080,9 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
}
}
- unsigned int pref_len = indic_plan->config->pref_len;
+ unsigned int pref_len = 2;
if (indic_plan->mask_array[PREF] && base + pref_len < end)
{
- assert (1 <= pref_len && pref_len <= 2);
/* Find a Halant,Ra sequence and mark it for pre-base reordering processing. */
for (unsigned int i = base + 1; i + pref_len - 1 < end; i++) {
hb_codepoint_t glyphs[2];
@@ -1312,7 +1292,7 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
for (base = start; base < end; base++)
if (info[base].indic_position() >= POS_BASE_C)
{
- if (try_pref && base + 1 < end && indic_plan->config->pref_len == 2)
+ if (try_pref && base + 1 < end)
{
for (unsigned int i = base + 1; i < end; i++)
if ((info[i].mask & indic_plan->mask_array[PREF]) != 0)
@@ -1594,7 +1574,6 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
if (try_pref && base + 1 < end) /* Otherwise there can't be any pre-base reordering Ra. */
{
- unsigned int pref_len = indic_plan->config->pref_len;
for (unsigned int i = base + 1; i < end; i++)
if ((info[i].mask & indic_plan->mask_array[PREF]) != 0)
{
@@ -1605,10 +1584,8 @@ final_reordering_syllable (const hb_ot_shape_plan_t *plan,
/* Note: We just check that something got substituted. We don't check that
* the <pref> feature actually did it...
*
- * If pref len is longer than one, then only reorder if it ligated. If
- * pref len is one, only reorder if it didn't ligate with other things. */
- if (_hb_glyph_info_substituted (&info[i]) &&
- ((pref_len == 1) ^ _hb_glyph_info_ligated_and_didnt_multiply (&info[i])))
+ * Reorder pref only if it ligated. */
+ if (_hb_glyph_info_ligated_and_didnt_multiply (&info[i]))
{
/*
* 2. Try to find a target position the same way as for pre-base matra.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 04:07:53 +0000