diff options
Diffstat (limited to 'modules/text_server_adv/text_server_adv.cpp')
| -rw-r--r-- | modules/text_server_adv/text_server_adv.cpp | 2520 |
1 files changed, 2520 insertions, 0 deletions
diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp new file mode 100644 index 0000000000..e391777eea --- /dev/null +++ b/modules/text_server_adv/text_server_adv.cpp @@ -0,0 +1,2520 @@ +/*************************************************************************/ +/* text_server_adv.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "text_server_adv.h" +#include "bitmap_font_adv.h" +#include "dynamic_font_adv.h" + +#include "core/string/translation.h" + +#ifdef ICU_STATIC_DATA +#include "thirdparty/icu4c/icudata.gen.h" +#endif + +_FORCE_INLINE_ bool is_ain(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_AIN; +} + +_FORCE_INLINE_ bool is_alef(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_ALEF; +} + +_FORCE_INLINE_ bool is_beh(char32_t p_chr) { + int32_t prop = u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP); + return (prop == U_JG_BEH) || (prop == U_JG_NOON) || (prop == U_JG_AFRICAN_NOON) || (prop == U_JG_NYA) || (prop == U_JG_YEH) || (prop == U_JG_FARSI_YEH); +} + +_FORCE_INLINE_ bool is_dal(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_DAL; +} + +_FORCE_INLINE_ bool is_feh(char32_t p_chr) { + return (u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_FEH) || (u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_AFRICAN_FEH); +} + +_FORCE_INLINE_ bool is_gaf(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_GAF; +} + +_FORCE_INLINE_ bool is_heh(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_HEH; +} + +_FORCE_INLINE_ bool is_kaf(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_KAF; +} + +_FORCE_INLINE_ bool is_lam(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_LAM; +} + +_FORCE_INLINE_ bool is_qaf(char32_t p_chr) { + return (u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_QAF) || (u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_AFRICAN_QAF); +} + +_FORCE_INLINE_ bool is_reh(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_REH; +} + +_FORCE_INLINE_ bool is_seen_sad(char32_t p_chr) { + return (u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_SAD) || (u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_SEEN); +} + +_FORCE_INLINE_ bool is_tah(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_TAH; +} + +_FORCE_INLINE_ bool is_teh_marbuta(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_TEH_MARBUTA; +} + +_FORCE_INLINE_ bool is_yeh(char32_t p_chr) { + int32_t prop = u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP); + return (prop == U_JG_YEH) || (prop == U_JG_FARSI_YEH) || (prop == U_JG_YEH_BARREE) || (prop == U_JG_BURUSHASKI_YEH_BARREE) || (prop == U_JG_YEH_WITH_TAIL); +} + +_FORCE_INLINE_ bool is_waw(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_GROUP) == U_JG_WAW; +} + +_FORCE_INLINE_ bool is_transparent(char32_t p_chr) { + return u_getIntPropertyValue(p_chr, UCHAR_JOINING_TYPE) == U_JT_TRANSPARENT; +} + +_FORCE_INLINE_ bool is_ligature(char32_t p_chr, char32_t p_nchr) { + return (is_lam(p_chr) && is_alef(p_nchr)); +} + +_FORCE_INLINE_ bool is_connected_to_prev(char32_t p_chr, char32_t p_pchr) { + int32_t prop = u_getIntPropertyValue(p_pchr, UCHAR_JOINING_TYPE); + return (prop != U_JT_RIGHT_JOINING) && (prop != U_JT_NON_JOINING) ? !is_ligature(p_pchr, p_chr) : false; +} + +_FORCE_INLINE_ bool is_control(char32_t p_char) { + return (p_char <= 0x001f) || (p_char >= 0x007f && p_char <= 0x009F); +} + +_FORCE_INLINE_ bool is_whitespace(char32_t p_char) { + return (p_char == 0x0020) || (p_char == 0x00A0) || (p_char == 0x1680) || (p_char >= 0x2000 && p_char <= 0x200a) || (p_char == 0x202f) || (p_char == 0x205f) || (p_char == 0x3000) || (p_char == 0x2028) || (p_char == 0x2029) || (p_char >= 0x0009 && p_char <= 0x000d) || (p_char == 0x0085); +} + +_FORCE_INLINE_ bool is_linebreak(char32_t p_char) { + return (p_char >= 0x000a && p_char <= 0x000d) || (p_char == 0x0085) || (p_char == 0x2028) || (p_char == 0x2029); +} + +/*************************************************************************/ + +String TextServerAdvanced::interface_name = "ICU / HarfBuzz / Graphite"; +uint32_t TextServerAdvanced::interface_features = FEATURE_BIDI_LAYOUT | FEATURE_VERTICAL_LAYOUT | FEATURE_SHAPING | FEATURE_KASHIDA_JUSTIFICATION | FEATURE_BREAK_ITERATORS | FEATURE_USE_SUPPORT_DATA; + +bool TextServerAdvanced::has_feature(Feature p_feature) { + return (interface_features & p_feature) == p_feature; +} + +String TextServerAdvanced::get_name() const { + return interface_name; +} + +void TextServerAdvanced::free(RID p_rid) { + _THREAD_SAFE_METHOD_ + if (font_owner.owns(p_rid)) { + FontDataAdvanced *fd = font_owner.getornull(p_rid); + font_owner.free(p_rid); + memdelete(fd); + } else if (shaped_owner.owns(p_rid)) { + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_rid); + shaped_owner.free(p_rid); + memdelete(sd); + } +} + +bool TextServerAdvanced::has(RID p_rid) { + _THREAD_SAFE_METHOD_ + return font_owner.owns(p_rid) || shaped_owner.owns(p_rid); +} + +bool TextServerAdvanced::load_support_data(const String &p_filename) { + _THREAD_SAFE_METHOD_ + +#ifdef ICU_STATIC_DATA + if (icu_data == nullptr) { + UErrorCode err = U_ZERO_ERROR; + u_init(&err); // Do not check for errors, since we only load part the of data. + icu_data = (uint8_t *)&U_ICUDATA_ENTRY_POINT; + } +#else + if (icu_data == nullptr) { + String filename = (p_filename.empty()) ? String("res://") + _MKSTR(ICU_DATA_NAME) : p_filename; + + FileAccess *f = FileAccess::open(filename, FileAccess::READ); + if (!f) { + return false; + } + + UErrorCode err = U_ZERO_ERROR; + + // ICU data found. + size_t len = f->get_len(); + icu_data = (uint8_t *)memalloc(len); + f->get_buffer(icu_data, len); + f->close(); + memdelete(f); + + udata_setCommonData(icu_data, &err); + if (U_FAILURE(err)) { + memfree(icu_data); + icu_data = nullptr; + ERR_FAIL_V_MSG(false, u_errorName(err)); + } + + err = U_ZERO_ERROR; + u_init(&err); + if (U_FAILURE(err)) { + memfree(icu_data); + icu_data = nullptr; + ERR_FAIL_V_MSG(false, u_errorName(err)); + } + } +#endif + return true; +} + +#ifdef TOOLS_ENABLED + +bool TextServerAdvanced::save_support_data(const String &p_filename) { + _THREAD_SAFE_METHOD_ +#ifdef ICU_STATIC_DATA + + // Store data to the res file if it's available. + FileAccess *f = FileAccess::open(p_filename, FileAccess::WRITE); + if (!f) { + return false; + } + f->store_buffer(U_ICUDATA_ENTRY_POINT, U_ICUDATA_SIZE); + f->close(); + memdelete(f); + return true; + +#else + return false; +#endif +} + +#endif + +bool TextServerAdvanced::is_locale_right_to_left(const String &p_locale) { + String l = p_locale.get_slicec('_', 0); + if ((l == "ar") || (l == "dv") || (l == "he") || (l == "fa") || (l == "ff") || (l == "ku") || (l == "ur")) { + return true; + } else { + return false; + } +} + +struct FeatureInfo { + int32_t tag; + String name; +}; + +static FeatureInfo feature_set[] = { + // Registred OpenType feature tags. + { HB_TAG('a', 'a', 'l', 't'), "access_all_alternates" }, + { HB_TAG('a', 'b', 'v', 'f'), "above_base_forms" }, + { HB_TAG('a', 'b', 'v', 'm'), "above_base_mark_positioning" }, + { HB_TAG('a', 'b', 'v', 's'), "above_base_substitutions" }, + { HB_TAG('a', 'f', 'r', 'c'), "alternative_fractions" }, + { HB_TAG('a', 'k', 'h', 'n'), "akhands" }, + { HB_TAG('b', 'l', 'w', 'f'), "below_base_forms" }, + { HB_TAG('b', 'l', 'w', 'm'), "below_base_mark_positioning" }, + { HB_TAG('b', 'l', 'w', 's'), "below_base_substitutions" }, + { HB_TAG('c', 'a', 'l', 't'), "contextual_alternates" }, + { HB_TAG('c', 'a', 's', 'e'), "case_sensitive_forms" }, + { HB_TAG('c', 'c', 'm', 'p'), "glyph_composition" }, + { HB_TAG('c', 'f', 'a', 'r'), "conjunct_form_after_ro" }, + { HB_TAG('c', 'j', 'c', 't'), "conjunct_forms" }, + { HB_TAG('c', 'l', 'i', 'g'), "contextual_ligatures" }, + { HB_TAG('c', 'p', 'c', 't'), "centered_cjk_punctuation" }, + { HB_TAG('c', 'p', 's', 'p'), "capital_spacing" }, + { HB_TAG('c', 's', 'w', 'h'), "contextual_swash" }, + { HB_TAG('c', 'u', 'r', 's'), "cursive_positioning" }, + { HB_TAG('c', 'v', '0', '1'), "character_variant_01" }, + { HB_TAG('c', 'v', '0', '2'), "character_variant_02" }, + { HB_TAG('c', 'v', '0', '3'), "character_variant_03" }, + { HB_TAG('c', 'v', '0', '4'), "character_variant_04" }, + { HB_TAG('c', 'v', '0', '5'), "character_variant_05" }, + { HB_TAG('c', 'v', '0', '6'), "character_variant_06" }, + { HB_TAG('c', 'v', '0', '7'), "character_variant_07" }, + { HB_TAG('c', 'v', '0', '8'), "character_variant_08" }, + { HB_TAG('c', 'v', '0', '9'), "character_variant_09" }, + { HB_TAG('c', 'v', '1', '0'), "character_variant_10" }, + { HB_TAG('c', 'v', '1', '1'), "character_variant_11" }, + { HB_TAG('c', 'v', '1', '2'), "character_variant_12" }, + { HB_TAG('c', 'v', '1', '3'), "character_variant_13" }, + { HB_TAG('c', 'v', '1', '4'), "character_variant_14" }, + { HB_TAG('c', 'v', '1', '5'), "character_variant_15" }, + { HB_TAG('c', 'v', '1', '6'), "character_variant_16" }, + { HB_TAG('c', 'v', '1', '7'), "character_variant_17" }, + { HB_TAG('c', 'v', '1', '8'), "character_variant_18" }, + { HB_TAG('c', 'v', '1', '9'), "character_variant_19" }, + { HB_TAG('c', 'v', '2', '0'), "character_variant_20" }, + { HB_TAG('c', 'v', '2', '1'), "character_variant_21" }, + { HB_TAG('c', 'v', '2', '2'), "character_variant_22" }, + { HB_TAG('c', 'v', '2', '3'), "character_variant_23" }, + { HB_TAG('c', 'v', '2', '4'), "character_variant_24" }, + { HB_TAG('c', 'v', '2', '5'), "character_variant_25" }, + { HB_TAG('c', 'v', '2', '6'), "character_variant_26" }, + { HB_TAG('c', 'v', '2', '7'), "character_variant_27" }, + { HB_TAG('c', 'v', '2', '8'), "character_variant_28" }, + { HB_TAG('c', 'v', '2', '9'), "character_variant_29" }, + { HB_TAG('c', 'v', '3', '0'), "character_variant_30" }, + { HB_TAG('c', 'v', '3', '1'), "character_variant_31" }, + { HB_TAG('c', 'v', '3', '2'), "character_variant_32" }, + { HB_TAG('c', 'v', '3', '3'), "character_variant_33" }, + { HB_TAG('c', 'v', '3', '4'), "character_variant_34" }, + { HB_TAG('c', 'v', '3', '5'), "character_variant_35" }, + { HB_TAG('c', 'v', '3', '6'), "character_variant_36" }, + { HB_TAG('c', 'v', '3', '7'), "character_variant_37" }, + { HB_TAG('c', 'v', '3', '8'), "character_variant_38" }, + { HB_TAG('c', 'v', '3', '9'), "character_variant_39" }, + { HB_TAG('c', 'v', '4', '0'), "character_variant_40" }, + { HB_TAG('c', 'v', '4', '1'), "character_variant_41" }, + { HB_TAG('c', 'v', '4', '2'), "character_variant_42" }, + { HB_TAG('c', 'v', '4', '3'), "character_variant_43" }, + { HB_TAG('c', 'v', '4', '4'), "character_variant_44" }, + { HB_TAG('c', 'v', '4', '5'), "character_variant_45" }, + { HB_TAG('c', 'v', '4', '6'), "character_variant_46" }, + { HB_TAG('c', 'v', '4', '7'), "character_variant_47" }, + { HB_TAG('c', 'v', '4', '8'), "character_variant_48" }, + { HB_TAG('c', 'v', '4', '9'), "character_variant_49" }, + { HB_TAG('c', 'v', '5', '0'), "character_variant_50" }, + { HB_TAG('c', 'v', '5', '1'), "character_variant_51" }, + { HB_TAG('c', 'v', '5', '2'), "character_variant_52" }, + { HB_TAG('c', 'v', '5', '3'), "character_variant_53" }, + { HB_TAG('c', 'v', '5', '4'), "character_variant_54" }, + { HB_TAG('c', 'v', '5', '5'), "character_variant_55" }, + { HB_TAG('c', 'v', '5', '6'), "character_variant_56" }, + { HB_TAG('c', 'v', '5', '7'), "character_variant_57" }, + { HB_TAG('c', 'v', '5', '8'), "character_variant_58" }, + { HB_TAG('c', 'v', '5', '9'), "character_variant_59" }, + { HB_TAG('c', 'v', '6', '0'), "character_variant_60" }, + { HB_TAG('c', 'v', '6', '1'), "character_variant_61" }, + { HB_TAG('c', 'v', '6', '2'), "character_variant_62" }, + { HB_TAG('c', 'v', '6', '3'), "character_variant_63" }, + { HB_TAG('c', 'v', '6', '4'), "character_variant_64" }, + { HB_TAG('c', 'v', '6', '5'), "character_variant_65" }, + { HB_TAG('c', 'v', '6', '6'), "character_variant_66" }, + { HB_TAG('c', 'v', '6', '7'), "character_variant_67" }, + { HB_TAG('c', 'v', '6', '8'), "character_variant_68" }, + { HB_TAG('c', 'v', '6', '9'), "character_variant_69" }, + { HB_TAG('c', 'v', '7', '0'), "character_variant_70" }, + { HB_TAG('c', 'v', '7', '1'), "character_variant_71" }, + { HB_TAG('c', 'v', '7', '2'), "character_variant_72" }, + { HB_TAG('c', 'v', '7', '3'), "character_variant_73" }, + { HB_TAG('c', 'v', '7', '4'), "character_variant_74" }, + { HB_TAG('c', 'v', '7', '5'), "character_variant_75" }, + { HB_TAG('c', 'v', '7', '6'), "character_variant_76" }, + { HB_TAG('c', 'v', '7', '7'), "character_variant_77" }, + { HB_TAG('c', 'v', '7', '8'), "character_variant_78" }, + { HB_TAG('c', 'v', '7', '9'), "character_variant_79" }, + { HB_TAG('c', 'v', '8', '0'), "character_variant_80" }, + { HB_TAG('c', 'v', '8', '1'), "character_variant_81" }, + { HB_TAG('c', 'v', '8', '2'), "character_variant_82" }, + { HB_TAG('c', 'v', '8', '3'), "character_variant_83" }, + { HB_TAG('c', 'v', '8', '4'), "character_variant_84" }, + { HB_TAG('c', 'v', '8', '5'), "character_variant_85" }, + { HB_TAG('c', 'v', '8', '6'), "character_variant_86" }, + { HB_TAG('c', 'v', '8', '7'), "character_variant_87" }, + { HB_TAG('c', 'v', '8', '8'), "character_variant_88" }, + { HB_TAG('c', 'v', '8', '9'), "character_variant_89" }, + { HB_TAG('c', 'v', '9', '0'), "character_variant_90" }, + { HB_TAG('c', 'v', '9', '1'), "character_variant_91" }, + { HB_TAG('c', 'v', '9', '2'), "character_variant_92" }, + { HB_TAG('c', 'v', '9', '3'), "character_variant_93" }, + { HB_TAG('c', 'v', '9', '4'), "character_variant_94" }, + { HB_TAG('c', 'v', '9', '5'), "character_variant_95" }, + { HB_TAG('c', 'v', '9', '6'), "character_variant_96" }, + { HB_TAG('c', 'v', '9', '7'), "character_variant_97" }, + { HB_TAG('c', 'v', '9', '8'), "character_variant_98" }, + { HB_TAG('c', 'v', '9', '9'), "character_variant_99" }, + { HB_TAG('c', '2', 'p', 'c'), "petite_capitals_from_capitals" }, + { HB_TAG('c', '2', 's', 'c'), "small_capitals_from_capitals" }, + { HB_TAG('d', 'i', 's', 't'), "distances" }, + { HB_TAG('d', 'l', 'i', 'g'), "discretionary_ligatures" }, + { HB_TAG('d', 'n', 'o', 'm'), "denominators" }, + { HB_TAG('d', 't', 'l', 's'), "dotless_forms" }, + { HB_TAG('e', 'x', 'p', 't'), "expert_forms" }, + { HB_TAG('f', 'a', 'l', 't'), "final_glyph_on_line_alternates" }, + { HB_TAG('f', 'i', 'n', '2'), "terminal_forms_2" }, + { HB_TAG('f', 'i', 'n', '3'), "terminal_forms_3" }, + { HB_TAG('f', 'i', 'n', 'a'), "terminal_forms" }, + { HB_TAG('f', 'l', 'a', 'c'), "flattened_accent_forms" }, + { HB_TAG('f', 'r', 'a', 'c'), "fractions" }, + { HB_TAG('f', 'w', 'i', 'd'), "full_widths" }, + { HB_TAG('h', 'a', 'l', 'f'), "half_forms" }, + { HB_TAG('h', 'a', 'l', 'n'), "halant_forms" }, + { HB_TAG('h', 'a', 'l', 't'), "alternate_half_widths" }, + { HB_TAG('h', 'i', 's', 't'), "historical_forms" }, + { HB_TAG('h', 'k', 'n', 'a'), "horizontal_kana_alternates" }, + { HB_TAG('h', 'l', 'i', 'g'), "historical_ligatures" }, + { HB_TAG('h', 'n', 'g', 'l'), "hangul" }, + { HB_TAG('h', 'o', 'j', 'o'), "hojo_kanji_forms" }, + { HB_TAG('h', 'w', 'i', 'd'), "half_widths" }, + { HB_TAG('i', 'n', 'i', 't'), "initial_forms" }, + { HB_TAG('i', 's', 'o', 'l'), "isolated_forms" }, + { HB_TAG('i', 't', 'a', 'l'), "italics" }, + { HB_TAG('j', 'a', 'l', 't'), "justification_alternates" }, + { HB_TAG('j', 'p', '7', '8'), "jis78_forms" }, + { HB_TAG('j', 'p', '8', '3'), "jis83_forms" }, + { HB_TAG('j', 'p', '9', '0'), "jis90_forms" }, + { HB_TAG('j', 'p', '0', '4'), "jis2004_forms" }, + { HB_TAG('k', 'e', 'r', 'n'), "kerning" }, + { HB_TAG('l', 'f', 'b', 'd'), "left_bounds" }, + { HB_TAG('l', 'i', 'g', 'a'), "standard_ligatures" }, + { HB_TAG('l', 'j', 'm', 'o'), "leading_jamo_forms" }, + { HB_TAG('l', 'n', 'u', 'm'), "lining_figures" }, + { HB_TAG('l', 'o', 'c', 'l'), "localized_forms" }, + { HB_TAG('l', 't', 'r', 'a'), "left_to_right_alternates" }, + { HB_TAG('l', 't', 'r', 'm'), "left_to_right_mirrored_forms" }, + { HB_TAG('m', 'a', 'r', 'k'), "mark_positioning" }, + { HB_TAG('m', 'e', 'd', '2'), "medial_forms_2" }, + { HB_TAG('m', 'e', 'd', 'i'), "medial_forms" }, + { HB_TAG('m', 'g', 'r', 'k'), "mathematical_greek" }, + { HB_TAG('m', 'k', 'm', 'k'), "mark_to_mark_positioning" }, + { HB_TAG('m', 's', 'e', 't'), "mark_positioning_via_substitution" }, + { HB_TAG('n', 'a', 'l', 't'), "alternate_annotation_forms" }, + { HB_TAG('n', 'l', 'c', 'k'), "nlc_kanji_forms" }, + { HB_TAG('n', 'u', 'k', 't'), "nukta_forms" }, + { HB_TAG('n', 'u', 'm', 'r'), "numerators" }, + { HB_TAG('o', 'n', 'u', 'm'), "oldstyle_figures" }, + { HB_TAG('o', 'p', 'b', 'd'), "optical_bounds" }, + { HB_TAG('o', 'r', 'd', 'n'), "ordinals" }, + { HB_TAG('o', 'r', 'n', 'm'), "ornaments" }, + { HB_TAG('p', 'a', 'l', 't'), "proportional_alternate_widths" }, + { HB_TAG('p', 'c', 'a', 'p'), "petite_capitals" }, + { HB_TAG('p', 'k', 'n', 'a'), "proportional_kana" }, + { HB_TAG('p', 'n', 'u', 'm'), "proportional_figures" }, + { HB_TAG('p', 'r', 'e', 'f'), "pre_base_forms" }, + { HB_TAG('p', 'r', 'e', 's'), "pre_base_substitutions" }, + { HB_TAG('p', 's', 't', 'f'), "post_base_forms" }, + { HB_TAG('p', 's', 't', 's'), "post_base_substitutions" }, + { HB_TAG('p', 'w', 'i', 'd'), "proportional_widths" }, + { HB_TAG('q', 'w', 'i', 'd'), "quarter_widths" }, + { HB_TAG('r', 'a', 'n', 'd'), "randomize" }, + { HB_TAG('r', 'c', 'l', 't'), "required_contextual_alternates" }, + { HB_TAG('r', 'k', 'r', 'f'), "rakar_forms" }, + { HB_TAG('r', 'l', 'i', 'g'), "required_ligatures" }, + { HB_TAG('r', 'p', 'h', 'f'), "reph_forms" }, + { HB_TAG('r', 't', 'b', 'd'), "right_bounds" }, + { HB_TAG('r', 't', 'l', 'a'), "right_to_left_alternates" }, + { HB_TAG('r', 't', 'l', 'm'), "right_to_left_mirrored_forms" }, + { HB_TAG('r', 'u', 'b', 'y'), "ruby_notation_forms" }, + { HB_TAG('r', 'v', 'r', 'n'), "required_variation_alternates" }, + { HB_TAG('s', 'a', 'l', 't'), "stylistic_alternates" }, + { HB_TAG('s', 'i', 'n', 'f'), "scientific_inferiors" }, + { HB_TAG('s', 'i', 'z', 'e'), "optical_size" }, + { HB_TAG('s', 'm', 'c', 'p'), "small_capitals" }, + { HB_TAG('s', 'm', 'p', 'l'), "simplified_forms" }, + { HB_TAG('s', 's', '0', '1'), "stylistic_set_01" }, + { HB_TAG('s', 's', '0', '2'), "stylistic_set_02" }, + { HB_TAG('s', 's', '0', '3'), "stylistic_set_03" }, + { HB_TAG('s', 's', '0', '4'), "stylistic_set_04" }, + { HB_TAG('s', 's', '0', '5'), "stylistic_set_05" }, + { HB_TAG('s', 's', '0', '6'), "stylistic_set_06" }, + { HB_TAG('s', 's', '0', '7'), "stylistic_set_07" }, + { HB_TAG('s', 's', '0', '8'), "stylistic_set_08" }, + { HB_TAG('s', 's', '0', '9'), "stylistic_set_09" }, + { HB_TAG('s', 's', '1', '0'), "stylistic_set_10" }, + { HB_TAG('s', 's', '1', '1'), "stylistic_set_11" }, + { HB_TAG('s', 's', '1', '2'), "stylistic_set_12" }, + { HB_TAG('s', 's', '1', '3'), "stylistic_set_13" }, + { HB_TAG('s', 's', '1', '4'), "stylistic_set_14" }, + { HB_TAG('s', 's', '1', '5'), "stylistic_set_15" }, + { HB_TAG('s', 's', '1', '6'), "stylistic_set_16" }, + { HB_TAG('s', 's', '1', '7'), "stylistic_set_17" }, + { HB_TAG('s', 's', '1', '8'), "stylistic_set_18" }, + { HB_TAG('s', 's', '1', '9'), "stylistic_set_19" }, + { HB_TAG('s', 's', '2', '0'), "stylistic_set_20" }, + { HB_TAG('s', 's', 't', 'y'), "math_script_style_alternates" }, + { HB_TAG('s', 't', 'c', 'h'), "stretching_glyph_decomposition" }, + { HB_TAG('s', 'u', 'b', 's'), "subscript" }, + { HB_TAG('s', 'u', 'p', 's'), "superscript" }, + { HB_TAG('s', 'w', 's', 'h'), "swash" }, + { HB_TAG('t', 'i', 't', 'l'), "titling" }, + { HB_TAG('t', 'j', 'm', 'o'), "trailing_jamo_forms" }, + { HB_TAG('t', 'n', 'a', 'm'), "traditional_name_forms" }, + { HB_TAG('t', 'n', 'u', 'm'), "tabular_figures" }, + { HB_TAG('t', 'r', 'a', 'd'), "traditional_forms" }, + { HB_TAG('t', 'w', 'i', 'd'), "third_widths" }, + { HB_TAG('u', 'n', 'i', 'c'), "unicase" }, + { HB_TAG('v', 'a', 'l', 't'), "alternate_vertical_metrics" }, + { HB_TAG('v', 'a', 't', 'u'), "vattu_variants" }, + { HB_TAG('v', 'e', 'r', 't'), "vertical_writing" }, + { HB_TAG('v', 'h', 'a', 'l'), "alternate_vertical_half_metrics" }, + { HB_TAG('v', 'j', 'm', 'o'), "vowel_jamo_forms" }, + { HB_TAG('v', 'k', 'n', 'a'), "vertical_kana_alternates" }, + { HB_TAG('v', 'k', 'r', 'n'), "vertical_kerning" }, + { HB_TAG('v', 'p', 'a', 'l'), "proportional_alternate_vertical_metrics" }, + { HB_TAG('v', 'r', 't', '2'), "vertical_alternates_and_rotation" }, + { HB_TAG('v', 'r', 't', 'r'), "vertical_alternates_for_rotation" }, + { HB_TAG('z', 'e', 'r', 'o'), "slashed_zero" }, + // Registred OpenType variation tags. + { HB_TAG('i', 't', 'a', 'l'), "italic" }, + { HB_TAG('o', 'p', 's', 'z'), "optical_size" }, + { HB_TAG('s', 'l', 'n', 't'), "slant" }, + { HB_TAG('w', 'd', 't', 'h'), "width" }, + { HB_TAG('w', 'g', 'h', 't'), "weight" }, + { 0, String() }, +}; + +int32_t TextServerAdvanced::name_to_tag(const String &p_name) { + for (int i = 0; feature_set[i].tag != 0; i++) { + if (feature_set[i].name == p_name) { + return feature_set[i].tag; + } + } + + // No readable name, use tag string. + return hb_tag_from_string(p_name.replace("custom_", "").ascii().get_data(), -1); +} + +String TextServerAdvanced::tag_to_name(int32_t p_tag) { + for (int i = 0; feature_set[i].tag != 0; i++) { + if (feature_set[i].tag == p_tag) { + return feature_set[i].name; + } + } + + // No readable name, use tag string. + char name[5]; + memset(name, 0, 5); + hb_tag_to_string(p_tag, name); + return String("custom_") + String(name); +} + +/*************************************************************************/ +/* Font interface */ +/*************************************************************************/ + +RID TextServerAdvanced::create_font_system(const String &p_name, int p_base_size) { + ERR_FAIL_V_MSG(RID(), "System fonts are not supported by this text server."); +} + +RID TextServerAdvanced::create_font_resource(const String &p_filename, int p_base_size) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = nullptr; + if (p_filename.get_extension() == "ttf" || p_filename.get_extension() == "otf" || p_filename.get_extension() == "woff") { + fd = memnew(DynamicFontDataAdvanced); + } else if (p_filename.get_extension() == "fnt" || p_filename.get_extension() == "font") { + fd = memnew(BitmapFontDataAdvanced); + } else { + return RID(); + } + + Error err = fd->load_from_file(p_filename, p_base_size); + if (err != OK) { + memdelete(fd); + return RID(); + } + + return font_owner.make_rid(fd); +} + +RID TextServerAdvanced::create_font_memory(const uint8_t *p_data, size_t p_size, const String &p_type, int p_base_size) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = nullptr; + if (p_type == "ttf" || p_type == "otf" || p_type == "woff") { + fd = memnew(DynamicFontDataAdvanced); + } else if (p_type == "fnt" || p_type == "font") { + fd = memnew(BitmapFontDataAdvanced); + } else { + return RID(); + } + + Error err = fd->load_from_memory(p_data, p_size, p_base_size); + if (err != OK) { + memdelete(fd); + return RID(); + } + + return font_owner.make_rid(fd); +} + +float TextServerAdvanced::font_get_height(RID p_font, int p_size) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, 0.f); + return fd->get_height(p_size); +} + +float TextServerAdvanced::font_get_ascent(RID p_font, int p_size) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, 0.f); + return fd->get_ascent(p_size); +} + +float TextServerAdvanced::font_get_descent(RID p_font, int p_size) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, 0.f); + return fd->get_descent(p_size); +} + +float TextServerAdvanced::font_get_underline_position(RID p_font, int p_size) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, 0.f); + return fd->get_underline_position(p_size); +} + +float TextServerAdvanced::font_get_underline_thickness(RID p_font, int p_size) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, 0.f); + return fd->get_underline_thickness(p_size); +} + +void TextServerAdvanced::font_set_antialiased(RID p_font, bool p_antialiased) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->set_antialiased(p_antialiased); +} + +Dictionary TextServerAdvanced::font_get_feature_list(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, Dictionary()); + return fd->get_feature_list(); +} + +bool TextServerAdvanced::font_get_antialiased(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + return fd->get_antialiased(); +} + +void TextServerAdvanced::font_set_distance_field_hint(RID p_font, bool p_distance_field) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->set_distance_field_hint(p_distance_field); +} + +bool TextServerAdvanced::font_get_distance_field_hint(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + return fd->get_distance_field_hint(); +} + +void TextServerAdvanced::font_set_hinting(RID p_font, TextServer::Hinting p_hinting) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->set_hinting(p_hinting); +} + +TextServer::Hinting TextServerAdvanced::font_get_hinting(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, TextServer::HINTING_NONE); + return fd->get_hinting(); +} + +void TextServerAdvanced::font_set_force_autohinter(RID p_font, bool p_enabeld) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->set_force_autohinter(p_enabeld); +} + +bool TextServerAdvanced::font_get_force_autohinter(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + return fd->get_force_autohinter(); +} + +bool TextServerAdvanced::font_has_char(RID p_font, char32_t p_char) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + return fd->has_char(p_char); +} + +String TextServerAdvanced::font_get_supported_chars(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, String()); + return fd->get_supported_chars(); +} + +bool TextServerAdvanced::font_has_outline(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + return fd->has_outline(); +} + +float TextServerAdvanced::font_get_base_size(RID p_font) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, 0.f); + return fd->get_base_size(); +} + +bool TextServerAdvanced::font_is_language_supported(RID p_font, const String &p_language) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + if (fd->lang_support_overrides.has(p_language)) { + return fd->lang_support_overrides[p_language]; + } else { + Vector<String> tags = p_language.replace("-", "_").split("_"); + if (tags.size() > 0) { + if (fd->lang_support_overrides.has(tags[0])) { + return fd->lang_support_overrides[tags[0]]; + } + } + return fd->is_lang_supported(p_language); + } +} + +void TextServerAdvanced::font_set_language_support_override(RID p_font, const String &p_language, bool p_supported) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->lang_support_overrides[p_language] = p_supported; +} + +bool TextServerAdvanced::font_get_language_support_override(RID p_font, const String &p_language) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + return fd->lang_support_overrides[p_language]; +} + +void TextServerAdvanced::font_remove_language_support_override(RID p_font, const String &p_language) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->lang_support_overrides.erase(p_language); +} + +Vector<String> TextServerAdvanced::font_get_language_support_overrides(RID p_font) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, Vector<String>()); + Vector<String> ret; + for (Map<String, bool>::Element *E = fd->lang_support_overrides.front(); E; E = E->next()) { + ret.push_back(E->key()); + } + return ret; +} + +bool TextServerAdvanced::font_is_script_supported(RID p_font, const String &p_script) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + if (fd->script_support_overrides.has(p_script)) { + return fd->script_support_overrides[p_script]; + } else { + hb_script_t scr = hb_script_from_string(p_script.ascii().get_data(), -1); + return fd->is_script_supported(scr); + } +} + +void TextServerAdvanced::font_set_script_support_override(RID p_font, const String &p_script, bool p_supported) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->script_support_overrides[p_script] = p_supported; +} + +bool TextServerAdvanced::font_get_script_support_override(RID p_font, const String &p_script) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, false); + return fd->script_support_overrides[p_script]; +} + +void TextServerAdvanced::font_remove_script_support_override(RID p_font, const String &p_script) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND(!fd); + fd->script_support_overrides.erase(p_script); +} + +Vector<String> TextServerAdvanced::font_get_script_support_overrides(RID p_font) { + _THREAD_SAFE_METHOD_ + FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, Vector<String>()); + Vector<String> ret; + for (Map<String, bool>::Element *E = fd->script_support_overrides.front(); E; E = E->next()) { + ret.push_back(E->key()); + } + return ret; +} + +uint32_t TextServerAdvanced::font_get_glyph_index(RID p_font, char32_t p_char, char32_t p_variation_selector) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, 0); + return fd->get_glyph_index(p_char, p_variation_selector); +} + +Vector2 TextServerAdvanced::font_get_glyph_advance(RID p_font, uint32_t p_index, int p_size) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, Vector2()); + return fd->get_advance(p_index, p_size); +} + +Vector2 TextServerAdvanced::font_get_glyph_kerning(RID p_font, uint32_t p_index_a, uint32_t p_index_b, int p_size) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, Vector2()); + return fd->get_kerning(p_index_a, p_index_b, p_size); +} + +Vector2 TextServerAdvanced::font_draw_glyph(RID p_font, RID p_canvas, int p_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, Vector2()); + return fd->draw_glyph(p_canvas, p_size, p_pos, p_index, p_color); +} + +Vector2 TextServerAdvanced::font_draw_glyph_outline(RID p_font, RID p_canvas, int p_size, int p_outline_size, const Vector2 &p_pos, uint32_t p_index, const Color &p_color) const { + _THREAD_SAFE_METHOD_ + const FontDataAdvanced *fd = font_owner.getornull(p_font); + ERR_FAIL_COND_V(!fd, Vector2()); + return fd->draw_glyph_outline(p_canvas, p_size, p_outline_size, p_pos, p_index, p_color); +} + +float TextServerAdvanced::font_get_oversampling() const { + return oversampling; +} + +void TextServerAdvanced::font_set_oversampling(float p_oversampling) { + _THREAD_SAFE_METHOD_ + if (oversampling != p_oversampling) { + oversampling = p_oversampling; + List<RID> fonts; + font_owner.get_owned_list(&fonts); + for (List<RID>::Element *E = fonts.front(); E; E = E->next()) { + font_owner.getornull(E->get())->clear_cache(); + } + + List<RID> text_bufs; + shaped_owner.get_owned_list(&text_bufs); + for (List<RID>::Element *E = text_bufs.front(); E; E = E->next()) { + invalidate(shaped_owner.getornull(E->get())); + } + } +} + +Vector<String> TextServerAdvanced::get_system_fonts() const { + return Vector<String>(); +} + +/*************************************************************************/ +/* Shaped text buffer interface */ +/*************************************************************************/ + +int TextServerAdvanced::_convert_pos(const ShapedTextDataAdvanced *p_sd, int p_pos) const { + int32_t limit = p_pos; + if (p_sd->text.length() != p_sd->utf16.length()) { + const UChar *data = p_sd->utf16.ptr(); + for (int i = 0; i < p_pos; i++) { + if (U16_IS_LEAD(data[i])) { + limit--; + } + } + } + return limit; +} + +int TextServerAdvanced::_convert_pos_inv(const ShapedTextDataAdvanced *p_sd, int p_pos) const { + int32_t limit = p_pos; + if (p_sd->text.length() != p_sd->utf16.length()) { + for (int i = 0; i < p_pos; i++) { + if (p_sd->text[i] > 0xFFFF) { + limit++; + } + } + } + return limit; +} + +void TextServerAdvanced::invalidate(TextServerAdvanced::ShapedTextDataAdvanced *p_shaped) { + p_shaped->valid = false; + p_shaped->sort_valid = false; + p_shaped->line_breaks_valid = false; + p_shaped->justification_ops_valid = false; + p_shaped->ascent = 0.f; + p_shaped->descent = 0.f; + p_shaped->width = 0.f; + p_shaped->upos = 0.f; + p_shaped->uthk = 0.f; + p_shaped->glyphs.clear(); + p_shaped->glyphs_logical.clear(); + p_shaped->utf16 = Char16String(); + if (p_shaped->script_iter != nullptr) { + memdelete(p_shaped->script_iter); + p_shaped->script_iter = nullptr; + } + for (int i = 0; i < p_shaped->bidi_iter.size(); i++) { + ubidi_close(p_shaped->bidi_iter[i]); + } + p_shaped->bidi_iter.clear(); +} + +void TextServerAdvanced::full_copy(ShapedTextDataAdvanced *p_shaped) { + ShapedTextDataAdvanced *parent = shaped_owner.getornull(p_shaped->parent); + + for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = parent->objects.front(); E; E = E->next()) { + if (E->get().pos >= p_shaped->start && E->get().pos < p_shaped->end) { + p_shaped->objects[E->key()] = E->get(); + } + } + + for (int k = 0; k < parent->spans.size(); k++) { + ShapedTextDataAdvanced::Span span = parent->spans[k]; + if (span.start >= p_shaped->end || span.end <= p_shaped->start) { + continue; + } + span.start = MAX(p_shaped->start, span.start); + span.end = MIN(p_shaped->end, span.end); + p_shaped->spans.push_back(span); + } + + p_shaped->parent = RID(); +} + +RID TextServerAdvanced::create_shaped_text(TextServer::Direction p_direction, TextServer::Orientation p_orientation) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = memnew(ShapedTextDataAdvanced); + sd->hb_buffer = hb_buffer_create(); + sd->direction = p_direction; + sd->orientation = p_orientation; + return shaped_owner.make_rid(sd); +} + +void TextServerAdvanced::shaped_text_clear(RID p_shaped) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND(!sd); + + sd->parent = RID(); + sd->start = 0; + sd->end = 0; + sd->text = String(); + sd->spans.clear(); + sd->objects.clear(); + sd->bidi_override.clear(); + invalidate(sd); +} + +void TextServerAdvanced::shaped_text_set_direction(RID p_shaped, TextServer::Direction p_direction) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND(!sd); + + if (sd->direction != p_direction) { + if (sd->parent != RID()) { + full_copy(sd); + } + sd->direction = p_direction; + invalidate(sd); + } +} + +TextServer::Direction TextServerAdvanced::shaped_text_get_direction(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, TextServer::DIRECTION_LTR); + return sd->direction; +} + +void TextServerAdvanced::shaped_text_set_bidi_override(RID p_shaped, const Vector<Vector2i> &p_override) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND(!sd); + if (sd->parent != RID()) { + full_copy(sd); + } + sd->bidi_override = p_override; + invalidate(sd); +} + +void TextServerAdvanced::shaped_text_set_orientation(RID p_shaped, TextServer::Orientation p_orientation) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND(!sd); + if (sd->orientation != p_orientation) { + if (sd->parent != RID()) { + full_copy(sd); + } + sd->orientation = p_orientation; + invalidate(sd); + } +} + +void TextServerAdvanced::shaped_text_set_preserve_invalid(RID p_shaped, bool p_enabled) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND(!sd); + ERR_FAIL_COND(sd->parent != RID()); + if (sd->preserve_invalid != p_enabled) { + sd->preserve_invalid = p_enabled; + invalidate(sd); + } +} + +bool TextServerAdvanced::shaped_text_get_preserve_invalid(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + return sd->preserve_invalid; +} + +void TextServerAdvanced::shaped_text_set_preserve_control(RID p_shaped, bool p_enabled) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND(!sd); + if (sd->preserve_control != p_enabled) { + if (sd->parent != RID()) { + full_copy(sd); + } + sd->preserve_control = p_enabled; + invalidate(sd); + } +} + +bool TextServerAdvanced::shaped_text_get_preserve_control(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + return sd->preserve_control; +} + +TextServer::Orientation TextServerAdvanced::shaped_text_get_orientation(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, TextServer::ORIENTATION_HORIZONTAL); + return sd->orientation; +} + +bool TextServerAdvanced::shaped_text_add_string(RID p_shaped, const String &p_text, const Vector<RID> &p_fonts, int p_size, const Dictionary &p_opentype_features, const String &p_language) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + ERR_FAIL_COND_V(p_size <= 0, false); + + if (p_text.empty()) { + return true; + } + + if (sd->parent != RID()) { + full_copy(sd); + } + + ShapedTextDataAdvanced::Span span; + span.start = sd->text.length(); + span.end = span.start + p_text.length(); + span.fonts = p_fonts; // Do not pre-sort, spans will be divided to subruns later. + span.font_size = p_size; + span.language = p_language; + span.features = p_opentype_features; + + sd->spans.push_back(span); + sd->text += p_text; + sd->end += p_text.length(); + invalidate(sd); + + return true; +} + +bool TextServerAdvanced::shaped_text_add_object(RID p_shaped, Variant p_key, const Size2 &p_size, VAlign p_inline_align, int p_length) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + ERR_FAIL_COND_V(p_key == Variant(), false); + ERR_FAIL_COND_V(sd->objects.has(p_key), false); + + if (sd->parent != RID()) { + full_copy(sd); + } + + ShapedTextDataAdvanced::Span span; + span.start = sd->text.length(); + span.end = span.start + p_length; + span.embedded_key = p_key; + + ShapedTextDataAdvanced::EmbeddedObject obj; + obj.inline_align = p_inline_align; + obj.rect.size = p_size; + obj.pos = span.start; + + sd->spans.push_back(span); + sd->text += String::chr(0xfffc).repeat(p_length); + sd->end += p_length; + sd->objects[p_key] = obj; + invalidate(sd); + + return true; +} + +bool TextServerAdvanced::shaped_text_resize_object(RID p_shaped, Variant p_key, const Size2 &p_size, VAlign p_inline_align) { + _THREAD_SAFE_METHOD_ + ShapedTextData *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + ERR_FAIL_COND_V(!sd->objects.has(p_key), false); + sd->objects[p_key].rect.size = p_size; + sd->objects[p_key].inline_align = p_inline_align; + if (sd->valid) { + // Recalc string metrics. + sd->ascent = 0; + sd->descent = 0; + sd->width = 0; + sd->upos = 0; + sd->uthk = 0; + for (int i = 0; i < sd->glyphs.size(); i++) { + Glyph gl = sd->glyphs[i]; + Variant key; + if (gl.count == 1) { + for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) { + if (E->get().pos == gl.start) { + key = E->key(); + break; + } + } + } + if (key != Variant()) { + if (sd->orientation == ORIENTATION_HORIZONTAL) { + sd->objects[key].rect.position.x = sd->width; + sd->width += sd->objects[key].rect.size.x; + switch (sd->objects[key].inline_align) { + case VALIGN_TOP: { + sd->ascent = MAX(sd->ascent, sd->objects[key].rect.size.y); + } break; + case VALIGN_CENTER: { + sd->ascent = MAX(sd->ascent, sd->objects[key].rect.size.y / 2); + sd->descent = MAX(sd->descent, sd->objects[key].rect.size.y / 2); + } break; + case VALIGN_BOTTOM: { + sd->descent = MAX(sd->descent, sd->objects[key].rect.size.y); + } break; + } + sd->glyphs.write[i].advance = sd->objects[key].rect.size.x; + } else { + sd->objects[key].rect.position.y = sd->width; + sd->width += sd->objects[key].rect.size.y; + switch (sd->objects[key].inline_align) { + case VALIGN_TOP: { + sd->ascent = MAX(sd->ascent, sd->objects[key].rect.size.x); + } break; + case VALIGN_CENTER: { + sd->ascent = MAX(sd->ascent, sd->objects[key].rect.size.x / 2); + sd->descent = MAX(sd->descent, sd->objects[key].rect.size.x / 2); + } break; + case VALIGN_BOTTOM: { + sd->descent = MAX(sd->descent, sd->objects[key].rect.size.x); + } break; + } + sd->glyphs.write[i].advance = sd->objects[key].rect.size.y; + } + } else { + const FontDataAdvanced *fd = font_owner.getornull(gl.font_rid); + if (fd != nullptr) { + if (sd->orientation == ORIENTATION_HORIZONTAL) { + sd->ascent = MAX(sd->ascent, MAX(fd->get_ascent(gl.font_size), -gl.y_off)); + sd->descent = MAX(sd->descent, MAX(fd->get_descent(gl.font_size), gl.y_off)); + } else { + sd->ascent = MAX(sd->ascent, fd->get_advance(gl.index, gl.font_size).x * 0.5); + sd->descent = MAX(sd->descent, fd->get_advance(gl.index, gl.font_size).x * 0.5); + } + sd->upos = MAX(sd->upos, font_get_underline_position(gl.font_rid, gl.font_size)); + sd->uthk = MAX(sd->uthk, font_get_underline_thickness(gl.font_rid, gl.font_size)); + } else if (sd->preserve_invalid || (sd->preserve_control && is_control(gl.index))) { + // Glyph not found, replace with hex code box. + if (sd->orientation == ORIENTATION_HORIZONTAL) { + sd->ascent = MAX(sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y * 0.75f); + sd->descent = MAX(sd->descent, get_hex_code_box_size(gl.font_size, gl.index).y * 0.25f); + } else { + sd->ascent = MAX(sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f); + sd->descent = MAX(sd->descent, get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f); + } + } + sd->width += gl.advance * gl.repeat; + } + } + + // Align embedded objects to baseline. + for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) { + if ((E->get().pos >= sd->start) && (E->get().pos < sd->end)) { + if (sd->orientation == ORIENTATION_HORIZONTAL) { + switch (E->get().inline_align) { + case VALIGN_TOP: { + E->get().rect.position.y = -sd->ascent; + } break; + case VALIGN_CENTER: { + E->get().rect.position.y = -(E->get().rect.size.y / 2); + } break; + case VALIGN_BOTTOM: { + E->get().rect.position.y = sd->descent - E->get().rect.size.y; + } break; + } + } else { + switch (E->get().inline_align) { + case VALIGN_TOP: { + E->get().rect.position.x = -sd->ascent; + } break; + case VALIGN_CENTER: { + E->get().rect.position.x = -(E->get().rect.size.x / 2); + } break; + case VALIGN_BOTTOM: { + E->get().rect.position.x = sd->descent - E->get().rect.size.x; + } break; + } + } + } + } + } + return true; +} + +RID TextServerAdvanced::shaped_text_substr(RID p_shaped, int p_start, int p_length) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, RID()); + if (sd->parent != RID()) { + return shaped_text_substr(sd->parent, p_start, p_length); + } + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + ERR_FAIL_COND_V(p_start < 0 || p_length < 0, RID()); + ERR_FAIL_COND_V(sd->start > p_start || sd->end < p_start, RID()); + ERR_FAIL_COND_V(sd->end < p_start + p_length, RID()); + + ShapedTextDataAdvanced *new_sd = memnew(ShapedTextDataAdvanced); + + new_sd->hb_buffer = hb_buffer_create(); + new_sd->parent = p_shaped; + new_sd->start = p_start; + new_sd->end = p_start + p_length; + + new_sd->orientation = sd->orientation; + new_sd->direction = sd->direction; + new_sd->para_direction = sd->para_direction; + new_sd->line_breaks_valid = sd->line_breaks_valid; + new_sd->justification_ops_valid = sd->justification_ops_valid; + new_sd->sort_valid = false; + new_sd->upos = sd->upos; + new_sd->uthk = sd->uthk; + + if (p_length > 0) { + new_sd->text = sd->text.substr(p_start, p_length); + new_sd->utf16 = new_sd->text.utf16(); + new_sd->script_iter = memnew(ScriptIterator(new_sd->text, 0, new_sd->text.length())); + + for (int ov = 0; ov < sd->bidi_override.size(); ov++) { + UErrorCode err = U_ZERO_ERROR; + + if (sd->bidi_override[ov].x >= p_start + p_length || sd->bidi_override[ov].y <= p_start) { + continue; + } + int start = _convert_pos_inv(sd, MAX(0, p_start - sd->bidi_override[ov].x)); + int end = _convert_pos_inv(sd, MIN(p_start + p_length, sd->bidi_override[ov].y) - sd->bidi_override[ov].x); + + ERR_FAIL_COND_V_MSG((start < 0 || end - start > new_sd->utf16.length()), RID(), "Invalid BiDi override range."); + + //Create temporary line bidi & shape + UBiDi *bidi_iter = ubidi_openSized(end - start, 0, &err); + ERR_FAIL_COND_V_MSG(U_FAILURE(err), RID(), u_errorName(err)); + ubidi_setLine(sd->bidi_iter[ov], start, end, bidi_iter, &err); + if (U_FAILURE(err)) { + ubidi_close(bidi_iter); + ERR_FAIL_V_MSG(RID(), u_errorName(err)); + } + new_sd->bidi_iter.push_back(bidi_iter); + + err = U_ZERO_ERROR; + int bidi_run_count = ubidi_countRuns(bidi_iter, &err); + ERR_FAIL_COND_V_MSG(U_FAILURE(err), RID(), u_errorName(err)); + for (int i = 0; i < bidi_run_count; i++) { + int32_t _bidi_run_start = 0; + int32_t _bidi_run_length = 0; + ubidi_getVisualRun(bidi_iter, i, &_bidi_run_start, &_bidi_run_length); + + int32_t bidi_run_start = _convert_pos(sd, sd->bidi_override[ov].x + start + _bidi_run_start); + int32_t bidi_run_end = _convert_pos(sd, sd->bidi_override[ov].x + start + _bidi_run_start + _bidi_run_length); + + for (int j = 0; j < sd->glyphs.size(); j++) { + if ((sd->glyphs[j].start >= bidi_run_start) && (sd->glyphs[j].end <= bidi_run_end)) { + // Copy glyphs. + Glyph gl = sd->glyphs[j]; + Variant key; + if (gl.count == 1) { + for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) { + if (E->get().pos == gl.start) { + key = E->key(); + new_sd->objects[key] = E->get(); + break; + } + } + } + if (key != Variant()) { + if (new_sd->orientation == ORIENTATION_HORIZONTAL) { + new_sd->objects[key].rect.position.x = new_sd->width; + new_sd->width += new_sd->objects[key].rect.size.x; + switch (new_sd->objects[key].inline_align) { + case VALIGN_TOP: { + new_sd->ascent = MAX(new_sd->ascent, new_sd->objects[key].rect.size.y); + } break; + case VALIGN_CENTER: { + new_sd->ascent = MAX(new_sd->ascent, new_sd->objects[key].rect.size.y / 2); + new_sd->descent = MAX(new_sd->descent, new_sd->objects[key].rect.size.y / 2); + } break; + case VALIGN_BOTTOM: { + new_sd->descent = MAX(new_sd->descent, new_sd->objects[key].rect.size.y); + } break; + } + } else { + new_sd->objects[key].rect.position.y = new_sd->width; + new_sd->width += new_sd->objects[key].rect.size.y; + switch (new_sd->objects[key].inline_align) { + case VALIGN_TOP: { + new_sd->ascent = MAX(new_sd->ascent, new_sd->objects[key].rect.size.x); + } break; + case VALIGN_CENTER: { + new_sd->ascent = MAX(new_sd->ascent, new_sd->objects[key].rect.size.x / 2); + new_sd->descent = MAX(new_sd->descent, new_sd->objects[key].rect.size.x / 2); + } break; + case VALIGN_BOTTOM: { + new_sd->descent = MAX(new_sd->descent, new_sd->objects[key].rect.size.x); + } break; + } + } + } else { + const FontDataAdvanced *fd = font_owner.getornull(gl.font_rid); + if (fd != nullptr) { + if (new_sd->orientation == ORIENTATION_HORIZONTAL) { + new_sd->ascent = MAX(new_sd->ascent, MAX(fd->get_ascent(gl.font_size), -gl.y_off)); + new_sd->descent = MAX(new_sd->descent, MAX(fd->get_descent(gl.font_size), gl.y_off)); + } else { + new_sd->ascent = MAX(new_sd->ascent, fd->get_advance(gl.index, gl.font_size).x * 0.5); + new_sd->descent = MAX(new_sd->descent, fd->get_advance(gl.index, gl.font_size).x * 0.5); + } + } else if (new_sd->preserve_invalid || (new_sd->preserve_control && is_control(gl.index))) { + // Glyph not found, replace with hex code box. + if (new_sd->orientation == ORIENTATION_HORIZONTAL) { + new_sd->ascent = MAX(new_sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y * 0.75f); + new_sd->descent = MAX(new_sd->descent, get_hex_code_box_size(gl.font_size, gl.index).y * 0.25f); + } else { + new_sd->ascent = MAX(new_sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f); + new_sd->descent = MAX(new_sd->descent, get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f); + } + } + new_sd->width += gl.advance * gl.repeat; + } + new_sd->glyphs.push_back(gl); + } + } + } + } + + // Align embedded objects to baseline. + for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = new_sd->objects.front(); E; E = E->next()) { + if ((E->get().pos >= new_sd->start) && (E->get().pos < new_sd->end)) { + if (sd->orientation == ORIENTATION_HORIZONTAL) { + switch (E->get().inline_align) { + case VALIGN_TOP: { + E->get().rect.position.y = -new_sd->ascent; + } break; + case VALIGN_CENTER: { + E->get().rect.position.y = -(E->get().rect.size.y / 2); + } break; + case VALIGN_BOTTOM: { + E->get().rect.position.y = new_sd->descent - E->get().rect.size.y; + } break; + } + } else { + switch (E->get().inline_align) { + case VALIGN_TOP: { + E->get().rect.position.x = -new_sd->ascent; + } break; + case VALIGN_CENTER: { + E->get().rect.position.x = -(E->get().rect.size.x / 2); + } break; + case VALIGN_BOTTOM: { + E->get().rect.position.x = new_sd->descent - E->get().rect.size.x; + } break; + } + } + } + } + } + + new_sd->valid = true; + + return shaped_owner.make_rid(new_sd); +} + +RID TextServerAdvanced::shaped_text_get_parent(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, RID()); + return sd->parent; +} + +float TextServerAdvanced::shaped_text_fit_to_width(RID p_shaped, float p_width, uint8_t /*JustificationFlag*/ p_jst_flags) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, 0.f); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + if (!sd->justification_ops_valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_update_justification_ops(p_shaped); + } + + int start_pos = 0; + int end_pos = sd->glyphs.size() - 1; + + if ((p_jst_flags & JUSTIFICATION_AFTER_LAST_TAB) == JUSTIFICATION_AFTER_LAST_TAB) { + int start, end, delta; + if (sd->para_direction == DIRECTION_LTR) { + start = sd->glyphs.size() - 1; + end = -1; + delta = -1; + } else { + start = 0; + end = sd->glyphs.size(); + delta = +1; + } + + for (int i = start; i != end; i += delta) { + if ((sd->glyphs[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) { + if (sd->para_direction == DIRECTION_LTR) { + start_pos = i; + break; + } else { + end_pos = i; + break; + } + } + } + } + + if ((p_jst_flags & JUSTIFICATION_TRIM_EDGE_SPACES) == JUSTIFICATION_TRIM_EDGE_SPACES) { + while ((start_pos < end_pos) && ((sd->glyphs[start_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[start_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) { + sd->width -= sd->glyphs[start_pos].advance * sd->glyphs[start_pos].repeat; + sd->glyphs.write[start_pos].advance = 0; + start_pos += sd->glyphs[start_pos].count; + } + while ((start_pos < end_pos) && ((sd->glyphs[end_pos].flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE || (sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_HARD) == GRAPHEME_IS_BREAK_HARD || (sd->glyphs[end_pos].flags & GRAPHEME_IS_BREAK_SOFT) == GRAPHEME_IS_BREAK_SOFT)) { + sd->width -= sd->glyphs[end_pos].advance * sd->glyphs[end_pos].repeat; + sd->glyphs.write[end_pos].advance = 0; + end_pos -= sd->glyphs[end_pos].count; + } + } + + int space_count = 0; + int elongation_count = 0; + for (int i = start_pos; i <= end_pos; i++) { + const Glyph &gl = sd->glyphs[i]; + if (gl.count > 0) { + if ((gl.flags & GRAPHEME_IS_ELONGATION) == GRAPHEME_IS_ELONGATION) { + elongation_count++; + } + if ((gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) { + space_count++; + } + } + } + + if ((elongation_count > 0) && ((p_jst_flags & JUSTIFICATION_KASHIDA) == JUSTIFICATION_KASHIDA)) { + float delta_width_per_kashida = (p_width - sd->width) / elongation_count; + for (int i = start_pos; i <= end_pos; i++) { + Glyph &gl = sd->glyphs.write[i]; + if (gl.count > 0) { + if (((gl.flags & GRAPHEME_IS_ELONGATION) == GRAPHEME_IS_ELONGATION) && (gl.advance > 0)) { + int count = delta_width_per_kashida / gl.advance; + int prev_count = gl.repeat; + if ((gl.flags & GRAPHEME_IS_VIRTUAL) == GRAPHEME_IS_VIRTUAL) { + gl.repeat = count; + } else { + gl.repeat = count + 1; + } + sd->width += (gl.repeat - prev_count) * gl.advance; + } + } + } + } + + if ((space_count > 0) && ((p_jst_flags & JUSTIFICATION_WORD_BOUND) == JUSTIFICATION_WORD_BOUND)) { + float delta_width_per_space = (p_width - sd->width) / space_count; + for (int i = start_pos; i <= end_pos; i++) { + Glyph &gl = sd->glyphs.write[i]; + if (gl.count > 0) { + if ((gl.flags & GRAPHEME_IS_SPACE) == GRAPHEME_IS_SPACE) { + float old_adv = gl.advance; + if ((gl.flags & GRAPHEME_IS_VIRTUAL) == GRAPHEME_IS_VIRTUAL) { + gl.advance = MAX(gl.advance + delta_width_per_space, 0.f); + } else { + gl.advance = MAX(gl.advance + delta_width_per_space, 0.05 * gl.font_size); + } + sd->width += (gl.advance - old_adv); + } + } + } + } + + return sd->width; +} + +float TextServerAdvanced::shaped_text_tab_align(RID p_shaped, const Vector<float> &p_tab_stops) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, 0.f); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + if (!sd->line_breaks_valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_update_breaks(p_shaped); + } + + int tab_index = 0; + float off = 0.f; + + int start, end, delta; + if (sd->para_direction == DIRECTION_LTR) { + start = 0; + end = sd->glyphs.size(); + delta = +1; + } else { + start = sd->glyphs.size() - 1; + end = -1; + delta = -1; + } + + for (int i = start; i != end; i += delta) { + if ((sd->glyphs[i].flags & GRAPHEME_IS_TAB) == GRAPHEME_IS_TAB) { + float tab_off = 0.f; + while (tab_off <= off) { + tab_off += p_tab_stops[tab_index]; + tab_index++; + if (tab_index >= p_tab_stops.size()) { + tab_index = 0; + } + } + float old_adv = sd->glyphs.write[i].advance; + sd->glyphs.write[i].advance = (tab_off - off); + sd->width += sd->glyphs.write[i].advance - old_adv; + off = 0; + continue; + } + off += sd->glyphs[i].advance * sd->glyphs[i].repeat; + } + + return 0.f; +} + +bool TextServerAdvanced::shaped_text_update_breaks(RID p_shaped) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + if (!sd->valid) { + shaped_text_shape(p_shaped); + } + + if (sd->line_breaks_valid) { + return true; // Noting to do. + } + + const UChar *data = sd->utf16.ptr(); + + Map<int, bool> breaks; + + UErrorCode err = U_ZERO_ERROR; + for (int i = 0; i < sd->spans.size(); i++) { + UBreakIterator *bi = ubrk_open(UBRK_LINE, sd->spans[i].language.ascii().get_data(), data + _convert_pos_inv(sd, sd->spans[i].start), _convert_pos_inv(sd, sd->spans[i].end - sd->spans[i].start), &err); + if (U_FAILURE(err)) { + //No data loaded - use fallback. + for (int j = sd->spans[i].start; j < sd->spans[i].end; j++) { + char32_t c = sd->text[j - sd->start]; + if (is_whitespace(c)) { + breaks[j] = false; + } + if (is_linebreak(c)) { + breaks[j] = true; + } + } + } else { + while (ubrk_next(bi) != UBRK_DONE) { + int pos = _convert_pos(sd, ubrk_current(bi)) + sd->spans[i].start - 1; + if (pos != sd->spans[i].end) { + if ((ubrk_getRuleStatus(bi) >= UBRK_LINE_HARD) && (ubrk_getRuleStatus(bi) < UBRK_LINE_HARD_LIMIT)) { + breaks[pos] = true; + } else if ((ubrk_getRuleStatus(bi) >= UBRK_LINE_SOFT) && (ubrk_getRuleStatus(bi) < UBRK_LINE_SOFT_LIMIT)) { + breaks[pos] = false; + } + } + } + } + ubrk_close(bi); + } + + sd->sort_valid = false; + sd->glyphs_logical.clear(); + + for (int i = 0; i < sd->glyphs.size(); i++) { + if (sd->glyphs[i].count > 0) { + char32_t c = sd->text[sd->glyphs[i].start - sd->start]; + if (c == 0xfffc) { + continue; + } + if (c == 0x0009 || c == 0x000b) { + sd->glyphs.write[i].flags |= GRAPHEME_IS_TAB; + } + if (breaks.has(sd->glyphs[i].start)) { + if (breaks[sd->glyphs[i].start]) { + sd->glyphs.write[i].flags |= GRAPHEME_IS_BREAK_HARD; + } else { + if (is_whitespace(c)) { + sd->glyphs.write[i].flags |= GRAPHEME_IS_BREAK_SOFT; + sd->glyphs.write[i].flags |= GRAPHEME_IS_SPACE; + } else { + TextServer::Glyph gl; + gl.start = sd->glyphs[i].start; + gl.end = sd->glyphs[i].end; + gl.count = 1; + gl.repeat = 1; + gl.font_rid = sd->glyphs[i].font_rid; + gl.font_size = sd->glyphs[i].font_size; + gl.flags = GRAPHEME_IS_BREAK_SOFT | GRAPHEME_IS_VIRTUAL; + sd->glyphs.insert(i + sd->glyphs[i].count, gl); // insert after + i += sd->glyphs[i].count; + continue; + } + } + } + + i += (sd->glyphs[i].count - 1); + } + } + + sd->line_breaks_valid = true; + + return sd->line_breaks_valid; +} + +_FORCE_INLINE_ int _generate_kashida_justification_opportunies(const String &p_data, int p_start, int p_end) { + int kashida_pos = -1; + int8_t priority = 100; + int i = p_start; + + char32_t pc = 0; + + while ((p_end > p_start) && is_transparent(p_data[p_end - 1])) { + p_end--; + } + + while (i < p_end) { + uint32_t c = p_data[i]; + + if (c == 0x0640) { + kashida_pos = i; + priority = 0; + } + if (priority >= 1 && i < p_end - 1) { + if (is_seen_sad(c) && (p_data[i + 1] != 0x200C)) { + kashida_pos = i; + priority = 1; + } + } + if (priority >= 2 && i > p_start) { + if (is_teh_marbuta(c) || is_dal(c) || (is_heh(c) && i == p_end - 1)) { + if (is_connected_to_prev(c, pc)) { + kashida_pos = i - 1; + priority = 2; + } + } + } + if (priority >= 3 && i > p_start) { + if (is_alef(c) || ((is_lam(c) || is_tah(c) || is_kaf(c) || is_gaf(c)) && i == p_end - 1)) { + if (is_connected_to_prev(c, pc)) { + kashida_pos = i - 1; + priority = 3; + } + } + } + if (priority >= 4 && i > p_start && i < p_end - 1) { + if (is_beh(c)) { + if (is_reh(p_data[i + 1]) || is_yeh(p_data[i + 1])) { + if (is_connected_to_prev(c, pc)) { + kashida_pos = i - 1; + priority = 4; + } + } + } + } + if (priority >= 5 && i > p_start) { + if (is_waw(c) || ((is_ain(c) || is_qaf(c) || is_feh(c)) && i == p_end - 1)) { + if (is_connected_to_prev(c, pc)) { + kashida_pos = i - 1; + priority = 5; + } + } + } + if (priority >= 6 && i > p_start) { + if (is_reh(c)) { + if (is_connected_to_prev(c, pc)) { + kashida_pos = i - 1; + priority = 6; + } + } + } + if (!is_transparent(c)) + pc = c; + i++; + } + + return kashida_pos; +} + +bool TextServerAdvanced::shaped_text_update_justification_ops(RID p_shaped) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + if (!sd->valid) { + shaped_text_shape(p_shaped); + } + if (!sd->line_breaks_valid) { + shaped_text_update_breaks(p_shaped); + } + + const UChar *data = sd->utf16.ptr(); + int32_t data_size = sd->utf16.length(); + + Map<int, bool> jstops; + + // Use ICU word iterator and custom kashida detection. + UErrorCode err = U_ZERO_ERROR; + UBreakIterator *bi = ubrk_open(UBRK_WORD, "", data, data_size, &err); + if (U_FAILURE(err)) { + // No data - use fallback + int limit = 0; + for (int i = 0; i < sd->text.length(); i++) { + if (is_whitespace(data[i])) { + int ks = _generate_kashida_justification_opportunies(sd->text, limit, i) + sd->start; + if (ks != -1) { + jstops[ks] = true; + } + limit = i + 1; + } + } + int ks = _generate_kashida_justification_opportunies(sd->text, limit, sd->text.length()) + sd->start; + if (ks != -1) { + jstops[ks] = true; + } + } else { + int limit = 0; + while (ubrk_next(bi) != UBRK_DONE) { + if (ubrk_getRuleStatus(bi) != UBRK_WORD_NONE) { + int i = _convert_pos(sd, ubrk_current(bi)); + jstops[i + sd->start] = false; + int ks = _generate_kashida_justification_opportunies(sd->text, limit, i) + sd->start; + if (ks != -1) { + jstops[ks] = true; + } + limit = i; + } + } + ubrk_close(bi); + } + + sd->sort_valid = false; + sd->glyphs_logical.clear(); + + if (jstops.size() > 0) { + for (int i = 0; i < sd->glyphs.size(); i++) { + if (sd->glyphs[i].count > 0) { + if (jstops.has(sd->glyphs[i].start)) { + char32_t c = sd->text[sd->glyphs[i].start - sd->start]; + if (c == 0xfffc) { + continue; + } + if (jstops[sd->glyphs[i].start]) { + if (c == 0x0640) { + sd->glyphs.write[i].flags |= GRAPHEME_IS_ELONGATION; + } else { + if (sd->glyphs[i].font_rid != RID()) { + TextServer::Glyph gl = _shape_single_glyph(sd, 0x0640, HB_SCRIPT_ARABIC, HB_DIRECTION_RTL, sd->glyphs[i].font_rid, sd->glyphs[i].font_size); + if ((gl.flags & GRAPHEME_IS_VALID) == GRAPHEME_IS_VALID) { + gl.start = sd->glyphs[i].start; + gl.end = sd->glyphs[i].end; + gl.repeat = 0; + gl.count = 1; + if (sd->orientation == ORIENTATION_HORIZONTAL) { + gl.y_off = sd->glyphs[i].y_off; + } else { + gl.x_off = sd->glyphs[i].x_off; + } + gl.flags |= GRAPHEME_IS_ELONGATION | GRAPHEME_IS_VIRTUAL; + sd->glyphs.insert(i, gl); + i++; + } + } + } + } else if (!is_whitespace(c)) { + TextServer::Glyph gl; + gl.start = sd->glyphs[i].start; + gl.end = sd->glyphs[i].end; + gl.count = 1; + gl.repeat = 1; + gl.font_rid = sd->glyphs[i].font_rid; + gl.font_size = sd->glyphs[i].font_size; + gl.flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_VIRTUAL; + sd->glyphs.insert(i + sd->glyphs[i].count, gl); // insert after + i += sd->glyphs[i].count; + continue; + } + } + } + } + } + + sd->justification_ops_valid = true; + return sd->justification_ops_valid; +} + +TextServer::Glyph TextServerAdvanced::_shape_single_glyph(ShapedTextDataAdvanced *p_sd, char32_t p_char, hb_script_t p_script, hb_direction_t p_direction, RID p_font, int p_font_size) { + FontDataAdvanced *fd = font_owner.getornull(p_font); + hb_font_t *hb_font = fd->get_hb_handle(p_font_size); + + hb_buffer_clear_contents(p_sd->hb_buffer); + hb_buffer_set_direction(p_sd->hb_buffer, p_direction); + hb_buffer_set_flags(p_sd->hb_buffer, (hb_buffer_flags_t)(HB_BUFFER_FLAG_DEFAULT)); + hb_buffer_set_script(p_sd->hb_buffer, p_script); + hb_buffer_add_utf32(p_sd->hb_buffer, (const uint32_t *)&p_char, 1, 0, 1); + + hb_shape(hb_font, p_sd->hb_buffer, nullptr, 0); + + unsigned int glyph_count = 0; + hb_glyph_info_t *glyph_info = hb_buffer_get_glyph_infos(p_sd->hb_buffer, &glyph_count); + hb_glyph_position_t *glyph_pos = hb_buffer_get_glyph_positions(p_sd->hb_buffer, &glyph_count); + + // Process glyphs. + TextServer::Glyph gl; + gl.start = -1; + gl.end = -1; + + if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) { + gl.flags |= TextServer::GRAPHEME_IS_RTL; + } + + gl.font_rid = p_font; + gl.font_size = p_font_size; + + if (glyph_count > 0) { + if (p_sd->orientation == ORIENTATION_HORIZONTAL) { + gl.advance = glyph_pos[0].x_advance / (64.0 / fd->get_font_scale(p_font_size)); + } else { + gl.advance = -glyph_pos[0].y_advance / (64.0 / fd->get_font_scale(p_font_size)); + } + gl.count = 1; + + gl.index = glyph_info[0].codepoint; + gl.x_off = glyph_pos[0].x_offset / (64.0 / fd->get_font_scale(p_font_size)); + gl.y_off = -glyph_pos[0].y_offset / (64.0 / fd->get_font_scale(p_font_size)); + + if ((glyph_info[0].codepoint != 0) || !u_isgraph(p_char)) { + gl.flags |= GRAPHEME_IS_VALID; + } + } + return gl; +} + +void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int32_t p_start, int32_t p_end, hb_script_t p_script, hb_direction_t p_direction, Vector<RID> p_fonts, int p_span, int p_fb_index) { + FontDataAdvanced *fd = nullptr; + if (p_fb_index < p_fonts.size()) { + fd = font_owner.getornull(p_fonts[p_fb_index]); + } + + if (fd == nullptr) { + // Add fallback glyohs + for (int i = p_start; i < p_end; i++) { + if (p_sd->preserve_invalid || (p_sd->preserve_control && is_control(p_sd->text[i]))) { + TextServer::Glyph gl; + gl.start = i; + gl.end = i + 1; + gl.count = 1; + gl.index = p_sd->text[i]; + gl.font_size = p_sd->spans[p_span].font_size; + gl.font_rid = RID(); + gl.flags = 0; + if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) { + gl.flags |= TextServer::GRAPHEME_IS_RTL; + } + if (p_sd->orientation == ORIENTATION_HORIZONTAL) { + gl.advance = get_hex_code_box_size(gl.font_size, gl.index).x; + p_sd->ascent = MAX(p_sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).y * 0.75f); + p_sd->descent = MAX(p_sd->descent, get_hex_code_box_size(gl.font_size, gl.index).y * 0.25f); + } else { + gl.advance = get_hex_code_box_size(gl.font_size, gl.index).y; + p_sd->ascent = MAX(p_sd->ascent, get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f); + p_sd->descent = MAX(p_sd->descent, get_hex_code_box_size(gl.font_size, gl.index).x * 0.5f); + } + p_sd->width += gl.advance; + + p_sd->glyphs.push_back(gl); + } + } + return; + } + + hb_font_t *hb_font = fd->get_hb_handle(p_sd->spans[p_span].font_size); + ERR_FAIL_COND(hb_font == nullptr); + + hb_buffer_clear_contents(p_sd->hb_buffer); + hb_buffer_set_direction(p_sd->hb_buffer, p_direction); + if (p_sd->preserve_control) { + hb_buffer_set_flags(p_sd->hb_buffer, (hb_buffer_flags_t)(HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES | (p_start == 0 ? HB_BUFFER_FLAG_BOT : 0) | (p_end == p_sd->text.length() ? HB_BUFFER_FLAG_EOT : 0))); + } else { + hb_buffer_set_flags(p_sd->hb_buffer, (hb_buffer_flags_t)(HB_BUFFER_FLAG_DEFAULT | (p_start == 0 ? HB_BUFFER_FLAG_BOT : 0) | (p_end == p_sd->text.length() ? HB_BUFFER_FLAG_EOT : 0))); + } + hb_buffer_set_script(p_sd->hb_buffer, p_script); + + if (p_sd->spans[p_span].language != String()) { + hb_language_t lang = hb_language_from_string(p_sd->spans[p_span].language.ascii().get_data(), -1); + hb_buffer_set_language(p_sd->hb_buffer, lang); + } + + hb_buffer_add_utf32(p_sd->hb_buffer, (const uint32_t *)p_sd->text.ptr(), p_sd->text.length(), p_start, p_end - p_start); + + Vector<hb_feature_t> ftrs; + for (const Variant *ftr = p_sd->spans[p_span].features.next(nullptr); ftr != nullptr; ftr = p_sd->spans[p_span].features.next(ftr)) { + double values = p_sd->spans[p_span].features[*ftr]; + if (values >= 0) { + hb_feature_t feature; + feature.tag = *ftr; + feature.value = values; + feature.start = 0; + feature.end = -1; + ftrs.push_back(feature); + } + } + hb_shape(hb_font, p_sd->hb_buffer, ftrs.empty() ? nullptr : &ftrs[0], ftrs.size()); + + unsigned int glyph_count = 0; + hb_glyph_info_t *glyph_info = hb_buffer_get_glyph_infos(p_sd->hb_buffer, &glyph_count); + hb_glyph_position_t *glyph_pos = hb_buffer_get_glyph_positions(p_sd->hb_buffer, &glyph_count); + + // Process glyphs. + if (glyph_count > 0) { + TextServer::Glyph *w = (TextServer::Glyph *)memalloc(glyph_count * sizeof(TextServer::Glyph)); + + int end = (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) ? p_end : 0; + uint32_t last_cluster_id = UINT32_MAX; + unsigned int last_cluster_index = 0; + bool last_cluster_valid = true; + + for (unsigned int i = 0; i < glyph_count; i++) { + if ((i > 0) && (last_cluster_id != glyph_info[i].cluster)) { + if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) { + end = w[last_cluster_index].start; + } else { + for (unsigned int j = last_cluster_index; j < i; j++) { + w[j].end = glyph_info[i].cluster; + } + } + if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) { + w[last_cluster_index].flags |= TextServer::GRAPHEME_IS_RTL; + } + if (last_cluster_valid) { + w[last_cluster_index].flags |= GRAPHEME_IS_VALID; + } + w[last_cluster_index].count = i - last_cluster_index; + last_cluster_index = i; + last_cluster_valid = true; + } + + last_cluster_id = glyph_info[i].cluster; + + TextServer::Glyph &gl = w[i]; + gl = TextServer::Glyph(); + + gl.start = glyph_info[i].cluster; + gl.end = end; + gl.count = 0; + + gl.font_rid = p_fonts[p_fb_index]; + gl.font_size = p_sd->spans[p_span].font_size; + + gl.index = glyph_info[i].codepoint; + if (gl.index != 0) { + if (p_sd->orientation == ORIENTATION_HORIZONTAL) { + gl.advance = glyph_pos[i].x_advance / (64.0 / fd->get_font_scale(gl.font_size)); + } else { + gl.advance = -glyph_pos[i].y_advance / (64.0 / fd->get_font_scale(gl.font_size)); + } + gl.x_off = glyph_pos[i].x_offset / (64.0 / fd->get_font_scale(gl.font_size)); + gl.y_off = -glyph_pos[i].y_offset / (64.0 / fd->get_font_scale(gl.font_size)); + } + + if (p_sd->preserve_control) { + last_cluster_valid = last_cluster_valid && ((glyph_info[i].codepoint != 0) || is_whitespace(p_sd->text[glyph_info[i].cluster]) || is_linebreak(p_sd->text[glyph_info[i].cluster])); + } else { + last_cluster_valid = last_cluster_valid && ((glyph_info[i].codepoint != 0) || !u_isgraph(p_sd->text[glyph_info[i].cluster])); + } + } + if (p_direction == HB_DIRECTION_LTR || p_direction == HB_DIRECTION_TTB) { + for (unsigned int j = last_cluster_index; j < glyph_count; j++) { + w[j].end = p_end; + } + } + w[last_cluster_index].count = glyph_count - last_cluster_index; + if (p_direction == HB_DIRECTION_RTL || p_direction == HB_DIRECTION_BTT) { + w[last_cluster_index].flags |= TextServer::GRAPHEME_IS_RTL; + } + if (last_cluster_valid) { + w[last_cluster_index].flags |= GRAPHEME_IS_VALID; + } + + //Fallback. + int failed_subrun_start = p_end + 1; + int failed_subrun_end = p_start; + + for (unsigned int i = 0; i < glyph_count; i++) { + if ((w[i].flags & GRAPHEME_IS_VALID) == GRAPHEME_IS_VALID) { + if (failed_subrun_start != p_end + 1) { + _shape_run(p_sd, failed_subrun_start, failed_subrun_end, p_script, p_direction, p_fonts, p_span, p_fb_index + 1); + failed_subrun_start = p_end + 1; + failed_subrun_end = p_start; + } + for (int j = 0; j < w[i].count; j++) { + if (p_sd->orientation == ORIENTATION_HORIZONTAL) { + p_sd->ascent = MAX(p_sd->ascent, MAX(fd->get_ascent(w[i + j].font_size), w[i + j].y_off)); + p_sd->descent = MAX(p_sd->descent, MAX(fd->get_descent(w[i + j].font_size), w[i + j].y_off)); + } else { + p_sd->ascent = MAX(p_sd->ascent, fd->get_advance(w[i + j].index, w[i + j].font_size).x * 0.5); + p_sd->descent = MAX(p_sd->descent, fd->get_advance(w[i + j].index, w[i + j].font_size).x * 0.5); + } + p_sd->upos = MAX(p_sd->upos, font_get_underline_position(w[i + j].font_rid, w[i + j].font_size)); + p_sd->uthk = MAX(p_sd->uthk, font_get_underline_thickness(w[i + j].font_rid, w[i + j].font_size)); + p_sd->width += w[i + j].advance; + p_sd->glyphs.push_back(w[i + j]); + } + } else { + if (failed_subrun_start >= w[i].start) { + failed_subrun_start = w[i].start; + } + if (failed_subrun_end <= w[i].end) { + failed_subrun_end = w[i].end; + } + } + i += w[i].count - 1; + } + memfree(w); + if (failed_subrun_start != p_end + 1) { + _shape_run(p_sd, failed_subrun_start, failed_subrun_end, p_script, p_direction, p_fonts, p_span, p_fb_index + 1); + } + } +} + +bool TextServerAdvanced::shaped_text_shape(RID p_shaped) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + + if (sd->valid) { + return true; + } + + if (sd->parent != RID()) { + full_copy(sd); + } + invalidate(sd); + + if (sd->text.length() == 0) { + sd->valid = true; + return true; + } + + sd->utf16 = sd->text.utf16(); + const UChar *data = sd->utf16.ptr(); + + // Create script iterator. + if (sd->script_iter == nullptr) { + sd->script_iter = memnew(ScriptIterator(sd->text, 0, sd->text.length())); + } + + if (sd->bidi_override.empty()) { + sd->bidi_override.push_back(Vector2i(0, sd->end)); + } + + for (int ov = 0; ov < sd->bidi_override.size(); ov++) { + // Create BiDi iterator. + int start = _convert_pos_inv(sd, sd->bidi_override[ov].x); + int end = _convert_pos_inv(sd, sd->bidi_override[ov].y); + + ERR_FAIL_COND_V_MSG((start < 0 || end - start > sd->utf16.length()), false, "Invalid BiDi override range."); + + UErrorCode err = U_ZERO_ERROR; + UBiDi *bidi_iter = ubidi_openSized(end, 0, &err); + ERR_FAIL_COND_V_MSG(U_FAILURE(err), false, u_errorName(err)); + + switch (sd->direction) { + case DIRECTION_LTR: { + ubidi_setPara(bidi_iter, data + start, end - start, UBIDI_LTR, nullptr, &err); + sd->para_direction = DIRECTION_LTR; + } break; + case DIRECTION_RTL: { + ubidi_setPara(bidi_iter, data + start, end - start, UBIDI_RTL, nullptr, &err); + sd->para_direction = DIRECTION_RTL; + } break; + case DIRECTION_AUTO: { + UBiDiDirection direction = ubidi_getBaseDirection(data + start, end - start); + if (direction != UBIDI_NEUTRAL) { + ubidi_setPara(bidi_iter, data + start, end - start, direction, nullptr, &err); + sd->para_direction = (direction == UBIDI_RTL) ? DIRECTION_RTL : DIRECTION_LTR; + } else { + ubidi_setPara(bidi_iter, data + start, end - start, UBIDI_DEFAULT_LTR, nullptr, &err); + sd->para_direction = DIRECTION_LTR; + } + } break; + } + ERR_FAIL_COND_V_MSG(U_FAILURE(err), false, u_errorName(err)); + sd->bidi_iter.push_back(bidi_iter); + + err = U_ZERO_ERROR; + int bidi_run_count = ubidi_countRuns(bidi_iter, &err); + ERR_FAIL_COND_V_MSG(U_FAILURE(err), false, u_errorName(err)); + for (int i = 0; i < bidi_run_count; i++) { + int32_t _bidi_run_start = 0; + int32_t _bidi_run_length = 0; + hb_direction_t bidi_run_direction = HB_DIRECTION_INVALID; + bool is_rtl = (ubidi_getVisualRun(bidi_iter, i, &_bidi_run_start, &_bidi_run_length) == UBIDI_LTR); + switch (sd->orientation) { + case ORIENTATION_HORIZONTAL: { + if (is_rtl) { + bidi_run_direction = HB_DIRECTION_LTR; + } else { + bidi_run_direction = HB_DIRECTION_RTL; + } + } break; + case ORIENTATION_VERTICAL: { + if (is_rtl) { + bidi_run_direction = HB_DIRECTION_TTB; + } else { + bidi_run_direction = HB_DIRECTION_BTT; + } + } + } + + int32_t bidi_run_start = _convert_pos(sd, sd->bidi_override[ov].x + _bidi_run_start); + int32_t bidi_run_end = _convert_pos(sd, sd->bidi_override[ov].x + _bidi_run_start + _bidi_run_length); + + // Shape runs. + + int scr_from = (is_rtl) ? 0 : sd->script_iter->script_ranges.size() - 1; + int scr_to = (is_rtl) ? sd->script_iter->script_ranges.size() : -1; + int scr_delta = (is_rtl) ? +1 : -1; + + for (int j = scr_from; j != scr_to; j += scr_delta) { + if ((sd->script_iter->script_ranges[j].start < bidi_run_end) && (sd->script_iter->script_ranges[j].end > bidi_run_start)) { + int32_t script_run_start = MAX(sd->script_iter->script_ranges[j].start, bidi_run_start); + int32_t script_run_end = MIN(sd->script_iter->script_ranges[j].end, bidi_run_end); + char scr_buffer[5] = { 0, 0, 0, 0, 0 }; + hb_tag_to_string(hb_script_to_iso15924_tag(sd->script_iter->script_ranges[j].script), scr_buffer); + String script = String(scr_buffer); + + int spn_from = (is_rtl) ? 0 : sd->spans.size() - 1; + int spn_to = (is_rtl) ? sd->spans.size() : -1; + int spn_delta = (is_rtl) ? +1 : -1; + + for (int k = spn_from; k != spn_to; k += spn_delta) { + const ShapedTextDataAdvanced::Span &span = sd->spans[k]; + if (span.start >= script_run_end || span.end <= script_run_start) { + continue; + } + if (span.embedded_key != Variant()) { + // Embedded object. + if (sd->orientation == ORIENTATION_HORIZONTAL) { + sd->objects[span.embedded_key].rect.position.x = sd->width; + sd->width += sd->objects[span.embedded_key].rect.size.x; + switch (sd->objects[span.embedded_key].inline_align) { + case VALIGN_TOP: { + sd->ascent = MAX(sd->ascent, sd->objects[span.embedded_key].rect.size.y); + } break; + case VALIGN_CENTER: { + sd->ascent = MAX(sd->ascent, sd->objects[span.embedded_key].rect.size.y / 2); + sd->descent = MAX(sd->descent, sd->objects[span.embedded_key].rect.size.y / 2); + } break; + case VALIGN_BOTTOM: { + sd->descent = MAX(sd->descent, sd->objects[span.embedded_key].rect.size.y); + } break; + } + } else { + sd->objects[span.embedded_key].rect.position.y = sd->width; + sd->width += sd->objects[span.embedded_key].rect.size.y; + switch (sd->objects[span.embedded_key].inline_align) { + case VALIGN_TOP: { + sd->ascent = MAX(sd->ascent, sd->objects[span.embedded_key].rect.size.x); + } break; + case VALIGN_CENTER: { + sd->ascent = MAX(sd->ascent, sd->objects[span.embedded_key].rect.size.x / 2); + sd->descent = MAX(sd->descent, sd->objects[span.embedded_key].rect.size.x / 2); + } break; + case VALIGN_BOTTOM: { + sd->descent = MAX(sd->descent, sd->objects[span.embedded_key].rect.size.x); + } break; + } + } + Glyph gl; + gl.start = span.start; + gl.end = span.end; + gl.count = 1; + gl.index = 0; + gl.flags = GRAPHEME_IS_VALID | GRAPHEME_IS_VIRTUAL; + if (sd->orientation == ORIENTATION_HORIZONTAL) { + gl.advance = sd->objects[span.embedded_key].rect.size.x; + } else { + gl.advance = sd->objects[span.embedded_key].rect.size.y; + } + sd->glyphs.push_back(gl); + } else { + Vector<RID> fonts; + // Push fonts with the language and script support first. + for (int l = 0; l < span.fonts.size(); l++) { + if ((font_is_language_supported(span.fonts[l], span.language)) && (font_is_script_supported(span.fonts[l], script))) { + fonts.push_back(sd->spans[k].fonts[l]); + } + } + // Push fonts with the script support. + for (int l = 0; l < sd->spans[k].fonts.size(); l++) { + if (!(font_is_language_supported(span.fonts[l], span.language)) && (font_is_script_supported(span.fonts[l], script))) { + fonts.push_back(sd->spans[k].fonts[l]); + } + } + // Push the rest valid fonts. + for (int l = 0; l < sd->spans[k].fonts.size(); l++) { + if (!(font_is_language_supported(span.fonts[l], span.language)) && !(font_is_script_supported(span.fonts[l], script))) { + fonts.push_back(sd->spans[k].fonts[l]); + } + } + _shape_run(sd, MAX(sd->spans[k].start, script_run_start), MIN(sd->spans[k].end, script_run_end), sd->script_iter->script_ranges[j].script, bidi_run_direction, fonts, k, 0); + } + } + } + } + } + } + + // Align embedded objects to baseline. + for (Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) { + if (sd->orientation == ORIENTATION_HORIZONTAL) { + switch (E->get().inline_align) { + case VALIGN_TOP: { + E->get().rect.position.y = -sd->ascent; + } break; + case VALIGN_CENTER: { + E->get().rect.position.y = -(E->get().rect.size.y / 2); + } break; + case VALIGN_BOTTOM: { + E->get().rect.position.y = sd->descent - E->get().rect.size.y; + } break; + } + } else { + switch (E->get().inline_align) { + case VALIGN_TOP: { + E->get().rect.position.x = -sd->ascent; + } break; + case VALIGN_CENTER: { + E->get().rect.position.x = -(E->get().rect.size.x / 2); + } break; + case VALIGN_BOTTOM: { + E->get().rect.position.x = sd->descent - E->get().rect.size.x; + } break; + } + } + } + + sd->valid = true; + return sd->valid; +} + +bool TextServerAdvanced::shaped_text_is_ready(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, false); + return sd->valid; +} + +Vector<TextServer::Glyph> TextServerAdvanced::shaped_text_get_glyphs(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, Vector<TextServer::Glyph>()); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + return sd->glyphs; +} + +Vector2i TextServerAdvanced::shaped_text_get_range(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, Vector2i()); + return Vector2(sd->start, sd->end); +} + +Vector<TextServer::Glyph> TextServerAdvanced::shaped_text_sort_logical(RID p_shaped) { + _THREAD_SAFE_METHOD_ + ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, Vector<TextServer::Glyph>()); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + + if (!sd->sort_valid) { + sd->glyphs_logical = sd->glyphs; + sd->glyphs_logical.sort_custom<TextServer::GlyphCompare>(); + sd->sort_valid = true; + } + + return sd->glyphs_logical; +} + +Array TextServerAdvanced::shaped_text_get_objects(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + Array ret; + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, ret); + for (const Map<Variant, ShapedTextData::EmbeddedObject>::Element *E = sd->objects.front(); E; E = E->next()) { + ret.push_back(E->key()); + } + + return ret; +} + +Rect2 TextServerAdvanced::shaped_text_get_object_rect(RID p_shaped, Variant p_key) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, Rect2()); + ERR_FAIL_COND_V(!sd->objects.has(p_key), Rect2()); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + return sd->objects[p_key].rect; +} + +Size2 TextServerAdvanced::shaped_text_get_size(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, Size2()); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + if (sd->orientation == TextServer::ORIENTATION_HORIZONTAL) { + return Size2(sd->width, sd->ascent + sd->descent); + } else { + return Size2(sd->ascent + sd->descent, sd->width); + } +} + +float TextServerAdvanced::shaped_text_get_ascent(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, 0.f); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + return sd->ascent; +} + +float TextServerAdvanced::shaped_text_get_descent(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, 0.f); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + return sd->descent; +} + +float TextServerAdvanced::shaped_text_get_width(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, 0.f); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + return sd->width; +} + +float TextServerAdvanced::shaped_text_get_underline_position(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, 0.f); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + + return sd->upos; +} + +float TextServerAdvanced::shaped_text_get_underline_thickness(RID p_shaped) const { + _THREAD_SAFE_METHOD_ + const ShapedTextDataAdvanced *sd = shaped_owner.getornull(p_shaped); + ERR_FAIL_COND_V(!sd, 0.f); + if (!sd->valid) { + const_cast<TextServerAdvanced *>(this)->shaped_text_shape(p_shaped); + } + + return sd->uthk; +} + +struct num_system_data { + String lang; + String digits; + String percent_sign; + String exp; +}; + +static num_system_data num_systems[]{ + { "ar,ar_AR,ar_BH,ar_DJ,ar_EG,ar_ER,ar_IL,ar_IQ,ar_JO,ar_KM,ar_KW,ar_LB,ar_MR,ar_OM,ar_PS,ar_QA,ar_SA,ar_SD,ar_SO,ar_SS,ar_SY,ar_TD,ar_YE", U"٠١٢٣٤٥٦٧٨٩٫", U"٪", U"اس" }, + { "fa,ks,pa_Arab,ps,ug,ur_IN,ur,uz_Arab", U"۰۱۲۳۴۵۶۷۸۹٫", U"٪", U"اس" }, + { "as,bn,mni", U"০১২৩৪৫৬৭৮৯.", U"%", U"e" }, + { "mr,ne", U"०१२३४५६७८९.", U"%", U"e" }, + { "dz", U"༠༡༢༣༤༥༦༧༨༩.", U"%", U"e" }, + { "sat", U"᱐᱑᱒᱓᱔᱕᱖᱗᱘᱙.", U"%", U"e" }, + { "my", U"၀၁၂၃၄၅၆၇၈၉.", U"%", U"e" }, + { String(), String(), String(), String() }, +}; + +String TextServerAdvanced::format_number(const String &p_string, const String &p_language) const { + _THREAD_SAFE_METHOD_ + String lang = (p_language == "") ? TranslationServer::get_singleton()->get_tool_locale() : p_language; + + String res = p_string; + for (int i = 0; num_systems[i].lang != String(); i++) { + Vector<String> langs = num_systems[i].lang.split(","); + if (langs.has(lang)) { + if (num_systems[i].digits == String()) { + return p_string; + } + res.replace("e", num_systems[i].exp); + res.replace("E", num_systems[i].exp); + char32_t *data = res.ptrw(); + for (int j = 0; j < res.size(); j++) { + if (data[j] >= 0x30 && data[j] <= 0x39) { + data[j] = num_systems[i].digits[data[j] - 0x30]; + } else if (data[j] == '.' || data[j] == ',') { + data[j] = num_systems[i].digits[10]; + } + } + break; + } + } + return res; +} + +String TextServerAdvanced::parse_number(const String &p_string, const String &p_language) const { + _THREAD_SAFE_METHOD_ + String lang = (p_language == "") ? TranslationServer::get_singleton()->get_tool_locale() : p_language; + + String res = p_string; + for (int i = 0; num_systems[i].lang != String(); i++) { + Vector<String> langs = num_systems[i].lang.split(","); + if (langs.has(lang)) { + if (num_systems[i].digits == String()) { + return p_string; + } + res.replace(num_systems[i].exp, "e"); + char32_t *data = res.ptrw(); + for (int j = 0; j < res.size(); j++) { + if (data[j] == num_systems[i].digits[10]) { + data[j] = '.'; + } else { + for (int k = 0; k < 10; k++) { + if (data[j] == num_systems[i].digits[k]) { + data[j] = 0x30 + k; + } + } + } + } + break; + } + } + return res; +} + +String TextServerAdvanced::percent_sign(const String &p_language) const { + _THREAD_SAFE_METHOD_ + String lang = (p_language == "") ? TranslationServer::get_singleton()->get_tool_locale() : p_language; + + for (int i = 0; num_systems[i].lang != String(); i++) { + Vector<String> langs = num_systems[i].lang.split(","); + if (langs.has(lang)) { + if (num_systems[i].percent_sign == String()) { + return "%"; + } + return num_systems[i].percent_sign; + } + } + return "%"; +} + +TextServer *TextServerAdvanced::create_func(Error &r_error, void *p_user_data) { + r_error = OK; + return memnew(TextServerAdvanced()); +} + +void TextServerAdvanced::register_server() { + TextServerManager::register_create_function(interface_name, interface_features, create_func, nullptr); +} + +TextServerAdvanced::TextServerAdvanced() { +} + +TextServerAdvanced::~TextServerAdvanced() { + u_cleanup(); +#ifndef ICU_STATIC_DATA + if (icu_data != nullptr) { + memfree(icu_data); + icu_data = nullptr; + } +#endif +} |