diff options
author | Konstantin Ritt <ritt.ks@gmail.com> | 2014-01-30 05:04:28 +0200 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-01-30 12:43:33 +0100 |
commit | e707607ab0c9935ea744e43bc2b2948b5502360b (patch) | |
tree | 19fd241d063a881271c6bbd20f463d2679f77668 /src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc | |
parent | a5614264d5a5d6d1cc0f2773f4d7cd70195a0546 (diff) |
Update HB to 7691a154e50f8c8c77bbd94787686262955bf5d4
Change-Id: I7dae9d74f338d3beeb1677a1676a07b66c05bb93
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc | 184 |
1 files changed, 4 insertions, 180 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc index d6afa0e1c1..f7f097eeda 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-shape-complex-default.cc @@ -27,194 +27,18 @@ #include "hb-ot-shape-complex-private.hh" -/* TODO Add kana, and other small shapers here */ - - -/* The default shaper *only* adds additional per-script features.*/ - -static const hb_tag_t hangul_features[] = -{ - HB_TAG('l','j','m','o'), - HB_TAG('v','j','m','o'), - HB_TAG('t','j','m','o'), - HB_TAG_NONE -}; - -static const hb_tag_t tibetan_features[] = -{ - HB_TAG('a','b','v','s'), - HB_TAG('b','l','w','s'), - HB_TAG('a','b','v','m'), - HB_TAG('b','l','w','m'), - HB_TAG_NONE -}; - -static void -collect_features_default (hb_ot_shape_planner_t *plan) -{ - const hb_tag_t *script_features = NULL; - - switch ((hb_tag_t) plan->props.script) - { - /* Unicode-1.1 additions */ - case HB_SCRIPT_HANGUL: - script_features = hangul_features; - break; - - /* Unicode-2.0 additions */ - case HB_SCRIPT_TIBETAN: - script_features = tibetan_features; - break; - } - - for (; script_features && *script_features; script_features++) - plan->map.add_global_bool_feature (*script_features); -} - -static hb_ot_shape_normalization_mode_t -normalization_preference_default (const hb_segment_properties_t *props) -{ - return HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS; -} - -static bool -compose_default (const hb_ot_shape_normalize_context_t *c, - hb_codepoint_t a, - hb_codepoint_t b, - hb_codepoint_t *ab) -{ - /* Hebrew presentation-form shaping. - * https://bugzilla.mozilla.org/show_bug.cgi?id=728866 - * Hebrew presentation forms with dagesh, for characters 0x05D0..0x05EA; - * Note that some letters do not have a dagesh presForm encoded. - */ - static const hb_codepoint_t sDageshForms[0x05EA - 0x05D0 + 1] = { - 0xFB30, /* ALEF */ - 0xFB31, /* BET */ - 0xFB32, /* GIMEL */ - 0xFB33, /* DALET */ - 0xFB34, /* HE */ - 0xFB35, /* VAV */ - 0xFB36, /* ZAYIN */ - 0x0000, /* HET */ - 0xFB38, /* TET */ - 0xFB39, /* YOD */ - 0xFB3A, /* FINAL KAF */ - 0xFB3B, /* KAF */ - 0xFB3C, /* LAMED */ - 0x0000, /* FINAL MEM */ - 0xFB3E, /* MEM */ - 0x0000, /* FINAL NUN */ - 0xFB40, /* NUN */ - 0xFB41, /* SAMEKH */ - 0x0000, /* AYIN */ - 0xFB43, /* FINAL PE */ - 0xFB44, /* PE */ - 0x0000, /* FINAL TSADI */ - 0xFB46, /* TSADI */ - 0xFB47, /* QOF */ - 0xFB48, /* RESH */ - 0xFB49, /* SHIN */ - 0xFB4A /* TAV */ - }; - - bool found = c->unicode->compose (a, b, ab); - - if (!found && (b & ~0x7F) == 0x0580) { - /* Special-case Hebrew presentation forms that are excluded from - * standard normalization, but wanted for old fonts. */ - switch (b) { - case 0x05B4: /* HIRIQ */ - if (a == 0x05D9) { /* YOD */ - *ab = 0xFB1D; - found = true; - } - break; - case 0x05B7: /* patah */ - if (a == 0x05F2) { /* YIDDISH YOD YOD */ - *ab = 0xFB1F; - found = true; - } else if (a == 0x05D0) { /* ALEF */ - *ab = 0xFB2E; - found = true; - } - break; - case 0x05B8: /* QAMATS */ - if (a == 0x05D0) { /* ALEF */ - *ab = 0xFB2F; - found = true; - } - break; - case 0x05B9: /* HOLAM */ - if (a == 0x05D5) { /* VAV */ - *ab = 0xFB4B; - found = true; - } - break; - case 0x05BC: /* DAGESH */ - if (a >= 0x05D0 && a <= 0x05EA) { - *ab = sDageshForms[a - 0x05D0]; - found = (*ab != 0); - } else if (a == 0xFB2A) { /* SHIN WITH SHIN DOT */ - *ab = 0xFB2C; - found = true; - } else if (a == 0xFB2B) { /* SHIN WITH SIN DOT */ - *ab = 0xFB2D; - found = true; - } - break; - case 0x05BF: /* RAFE */ - switch (a) { - case 0x05D1: /* BET */ - *ab = 0xFB4C; - found = true; - break; - case 0x05DB: /* KAF */ - *ab = 0xFB4D; - found = true; - break; - case 0x05E4: /* PE */ - *ab = 0xFB4E; - found = true; - break; - } - break; - case 0x05C1: /* SHIN DOT */ - if (a == 0x05E9) { /* SHIN */ - *ab = 0xFB2A; - found = true; - } else if (a == 0xFB49) { /* SHIN WITH DAGESH */ - *ab = 0xFB2C; - found = true; - } - break; - case 0x05C2: /* SIN DOT */ - if (a == 0x05E9) { /* SHIN */ - *ab = 0xFB2B; - found = true; - } else if (a == 0xFB49) { /* SHIN WITH DAGESH */ - *ab = 0xFB2D; - found = true; - } - break; - } - } - - return found; -} - const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default = { "default", - collect_features_default, + NULL, /* collect_features */ NULL, /* override_features */ NULL, /* data_create */ NULL, /* data_destroy */ NULL, /* preprocess_text */ - normalization_preference_default, + HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT, NULL, /* decompose */ - compose_default, + NULL, /* compose */ NULL, /* setup_masks */ - HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_UNICODE_LATE, + HB_OT_SHAPE_ZERO_WIDTH_MARKS_DEFAULT, true, /* fallback_position */ }; |