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-rw-r--r--src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-private.hh145
1 files changed, 69 insertions, 76 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-private.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-private.hh
index e268933ce4..8d03dee51f 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-private.hh
+++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-private.hh
@@ -59,9 +59,9 @@ enum hb_ot_shape_zero_width_marks_type_t {
HB_COMPLEX_SHAPER_IMPLEMENT (myanmar_old) \
HB_COMPLEX_SHAPER_IMPLEMENT (indic) \
HB_COMPLEX_SHAPER_IMPLEMENT (myanmar) \
- HB_COMPLEX_SHAPER_IMPLEMENT (sea) \
HB_COMPLEX_SHAPER_IMPLEMENT (thai) \
HB_COMPLEX_SHAPER_IMPLEMENT (tibetan) \
+ HB_COMPLEX_SHAPER_IMPLEMENT (use) \
/* ^--- Add new shapers here */
@@ -179,9 +179,12 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
case HB_SCRIPT_PSALTER_PAHLAVI:
/* For Arabic script, use the Arabic shaper even if no OT script tag was found.
- * This is because we do fallback shaping for Arabic script (and not others). */
- if (planner->map.chosen_script[0] != HB_OT_TAG_DEFAULT_SCRIPT ||
- planner->props.script == HB_SCRIPT_ARABIC)
+ * This is because we do fallback shaping for Arabic script (and not others).
+ * But note that Arabic shaping is applicable only to horizontal layout; for
+ * vertical text, just use the generic shaper instead. */
+ if ((planner->map.chosen_script[0] != HB_OT_TAG_DEFAULT_SCRIPT ||
+ planner->props.script == HB_SCRIPT_ARABIC) &&
+ HB_DIRECTION_IS_HORIZONTAL(planner->props.direction))
return &_hb_ot_complex_shaper_arabic;
else
return &_hb_ot_complex_shaper_default;
@@ -214,61 +217,9 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
/* ^--- Add new shapers here */
-
#if 0
- /* Note:
- *
- * These disabled scripts are listed in ucd/IndicSyllabicCategory.txt, but according
- * to Martin Hosken and Jonathan Kew do not require complex shaping.
- *
- * TODO We should automate figuring out which scripts do not need complex shaping
- *
- * TODO We currently keep data for these scripts in our indic table. Need to fix the
- * generator to not do that.
- */
-
-
- /* Simple? */
-
- /* Unicode-3.2 additions */
- case HB_SCRIPT_BUHID:
- case HB_SCRIPT_HANUNOO:
-
- /* Unicode-5.1 additions */
- case HB_SCRIPT_SAURASHTRA:
-
- /* Unicode-6.0 additions */
- case HB_SCRIPT_BATAK:
- case HB_SCRIPT_BRAHMI:
-
-
- /* Simple */
-
- /* Unicode-1.1 additions */
- /* These have their own shaper now. */
- case HB_SCRIPT_LAO:
- case HB_SCRIPT_THAI:
-
- /* Unicode-3.2 additions */
- case HB_SCRIPT_TAGALOG:
- case HB_SCRIPT_TAGBANWA:
-
- /* Unicode-4.0 additions */
- case HB_SCRIPT_LIMBU:
- case HB_SCRIPT_TAI_LE:
-
/* Unicode-4.1 additions */
- case HB_SCRIPT_KHAROSHTHI:
case HB_SCRIPT_NEW_TAI_LUE:
- case HB_SCRIPT_SYLOTI_NAGRI:
-
- /* Unicode-5.1 additions */
- case HB_SCRIPT_KAYAH_LI:
-
- /* Unicode-5.2 additions */
- case HB_SCRIPT_TAI_VIET:
-
-
#endif
/* Unicode-1.1 additions */
@@ -285,28 +236,11 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
/* Unicode-3.0 additions */
case HB_SCRIPT_SINHALA:
- /* Unicode-5.0 additions */
- case HB_SCRIPT_BALINESE:
-
- /* Unicode-5.1 additions */
- case HB_SCRIPT_LEPCHA:
- case HB_SCRIPT_REJANG:
- case HB_SCRIPT_SUNDANESE:
-
/* Unicode-5.2 additions */
case HB_SCRIPT_JAVANESE:
- case HB_SCRIPT_KAITHI:
- case HB_SCRIPT_MEETEI_MAYEK:
-
- /* Unicode-6.0 additions */
-
- /* Unicode-6.1 additions */
- case HB_SCRIPT_CHAKMA:
- case HB_SCRIPT_SHARADA:
- case HB_SCRIPT_TAKRI:
/* If the designer designed the font for the 'DFLT' script,
- * use the default shaper. Otherwise, use the Indic shaper.
+ * use the default shaper. Otherwise, use the specific shaper.
* Note that for some simple scripts, there may not be *any*
* GSUB/GPOS needed, so there may be no scripts found! */
if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T'))
@@ -338,23 +272,82 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
else
return &_hb_ot_complex_shaper_default;
+
+ /* Unicode-2.0 additions */
+ //case HB_SCRIPT_TIBETAN:
+
+ /* Unicode-3.0 additions */
+ //case HB_SCRIPT_MONGOLIAN:
+ //case HB_SCRIPT_SINHALA:
+
+ /* Unicode-3.2 additions */
+ case HB_SCRIPT_BUHID:
+ case HB_SCRIPT_HANUNOO:
+ case HB_SCRIPT_TAGALOG:
+ case HB_SCRIPT_TAGBANWA:
+
+ /* Unicode-4.0 additions */
+ case HB_SCRIPT_LIMBU:
+ case HB_SCRIPT_TAI_LE:
+
/* Unicode-4.1 additions */
case HB_SCRIPT_BUGINESE:
+ case HB_SCRIPT_KHAROSHTHI:
+ case HB_SCRIPT_SYLOTI_NAGRI:
+ case HB_SCRIPT_TIFINAGH:
+
+ /* Unicode-5.0 additions */
+ case HB_SCRIPT_BALINESE:
+ //case HB_SCRIPT_NKO:
+ //case HB_SCRIPT_PHAGS_PA:
/* Unicode-5.1 additions */
case HB_SCRIPT_CHAM:
+ case HB_SCRIPT_KAYAH_LI:
+ case HB_SCRIPT_LEPCHA:
+ case HB_SCRIPT_REJANG:
+ case HB_SCRIPT_SAURASHTRA:
+ case HB_SCRIPT_SUNDANESE:
/* Unicode-5.2 additions */
+ case HB_SCRIPT_EGYPTIAN_HIEROGLYPHS:
+ //case HB_SCRIPT_JAVANESE:
+ case HB_SCRIPT_KAITHI:
+ case HB_SCRIPT_MEETEI_MAYEK:
case HB_SCRIPT_TAI_THAM:
+ case HB_SCRIPT_TAI_VIET:
+
+ /* Unicode-6.0 additions */
+ case HB_SCRIPT_BATAK:
+ case HB_SCRIPT_BRAHMI:
+ //case HB_SCRIPT_MANDAIC:
+
+ /* Unicode-6.1 additions */
+ case HB_SCRIPT_CHAKMA:
+ case HB_SCRIPT_SHARADA:
+ case HB_SCRIPT_TAKRI:
+
+ /* Unicode-7.0 additions */
+ case HB_SCRIPT_DUPLOYAN:
+ case HB_SCRIPT_GRANTHA:
+ case HB_SCRIPT_KHOJKI:
+ case HB_SCRIPT_KHUDAWADI:
+ case HB_SCRIPT_MAHAJANI:
+ //case HB_SCRIPT_MANICHAEAN:
+ case HB_SCRIPT_MODI:
+ case HB_SCRIPT_PAHAWH_HMONG:
+ //case HB_SCRIPT_PSALTER_PAHLAVI:
+ case HB_SCRIPT_SIDDHAM:
+ case HB_SCRIPT_TIRHUTA:
/* If the designer designed the font for the 'DFLT' script,
- * use the default shaper. Otherwise, use the Indic shaper.
+ * use the default shaper. Otherwise, use the specific shaper.
* Note that for some simple scripts, there may not be *any*
* GSUB/GPOS needed, so there may be no scripts found! */
if (planner->map.chosen_script[0] == HB_TAG ('D','F','L','T'))
return &_hb_ot_complex_shaper_default;
else
- return &_hb_ot_complex_shaper_sea;
+ return &_hb_ot_complex_shaper_use;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-17 15:43:34 +0000