mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
0b60559905
This commit encapsulates the following: * Removal of public Unicode classes. * Move to new 'blob' generated data format. * Fix issue where numerical characters would be assigned incorrect bidirectional levels, resulting in them rendering in the wrong order. * Adds a unit test for the number ordering issue. * Refactor of Bidirectional and Line breaking algorithms.
235 lines
9.3 KiB
C++
235 lines
9.3 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE framework.
|
|
Copyright (c) Raw Material Software Limited
|
|
|
|
JUCE is an open source framework subject to commercial or open source
|
|
licensing.
|
|
|
|
By downloading, installing, or using the JUCE framework, or combining the
|
|
JUCE framework with any other source code, object code, content or any other
|
|
copyrightable work, you agree to the terms of the JUCE End User Licence
|
|
Agreement, and all incorporated terms including the JUCE Privacy Policy and
|
|
the JUCE Website Terms of Service, as applicable, which will bind you. If you
|
|
do not agree to the terms of these agreements, we will not license the JUCE
|
|
framework to you, and you must discontinue the installation or download
|
|
process and cease use of the JUCE framework.
|
|
|
|
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
|
|
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
|
|
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
|
|
|
|
Or:
|
|
|
|
You may also use this code under the terms of the AGPLv3:
|
|
https://www.gnu.org/licenses/agpl-3.0.en.html
|
|
|
|
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
|
|
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
|
|
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
// https://www.unicode.org/reports/tr31/#Table_Recommended_Scripts
|
|
enum class TextScript
|
|
{
|
|
// Recommend scripts
|
|
common,
|
|
arabic,
|
|
armenian,
|
|
bengali,
|
|
bopomofo,
|
|
cyrillic,
|
|
devanagari,
|
|
ethiopic,
|
|
georgian,
|
|
greek,
|
|
gujarati,
|
|
gurmukhi,
|
|
hangul,
|
|
han,
|
|
hebrew,
|
|
hiragana,
|
|
katakana,
|
|
kannada,
|
|
khmer,
|
|
lao,
|
|
latin,
|
|
malayalam,
|
|
myanmar,
|
|
oriya,
|
|
sinhala,
|
|
tamil,
|
|
telugu,
|
|
thaana,
|
|
thai,
|
|
tibetan,
|
|
|
|
// Limited use
|
|
adlam,
|
|
balinese,
|
|
bamum,
|
|
batak,
|
|
chakma,
|
|
canadianAboriginalSyllabics,
|
|
cham,
|
|
cherokee,
|
|
nyiakengPuachueHmong,
|
|
javanese,
|
|
kayahLi,
|
|
taiTham,
|
|
lepcha,
|
|
limbu,
|
|
lisu,
|
|
mandaic,
|
|
meeteiMayek,
|
|
newa,
|
|
nko,
|
|
olChiki,
|
|
osage,
|
|
miao,
|
|
hanifiRohingya,
|
|
saurashtra,
|
|
sundanese,
|
|
sylotiNagri,
|
|
syriac,
|
|
taiLe,
|
|
newTaiLue,
|
|
taiViet,
|
|
tifinagh,
|
|
vai,
|
|
wancho,
|
|
yi,
|
|
|
|
emoji,
|
|
|
|
scriptCount
|
|
};
|
|
|
|
// https://www.unicode.org/reports/tr24/tr24-32.html
|
|
class TR24
|
|
{
|
|
public:
|
|
TR24() = delete;
|
|
|
|
template <typename Callback>
|
|
static void analyseScripts (Span<const UnicodeAnalysisPoint> points, Callback&& callback)
|
|
{
|
|
bool once = false;
|
|
auto previousBaseTextScript = UnicodeScriptType::common;
|
|
|
|
for (const auto [i, value] : enumerate (points))
|
|
{
|
|
const auto& entry = value.data;
|
|
auto script = entry.script;
|
|
|
|
if (! std::exchange (once, true))
|
|
{
|
|
if (script == UnicodeScriptType::inherited)
|
|
script = UnicodeScriptType::common;
|
|
|
|
previousBaseTextScript = script;
|
|
}
|
|
|
|
if (script == UnicodeScriptType::common && entry.emoji == EmojiType::extended)
|
|
script = UnicodeScriptType::emoji;
|
|
|
|
if (script == UnicodeScriptType::common || script == UnicodeScriptType::inherited)
|
|
script = previousBaseTextScript;
|
|
|
|
callback ((int) i, mapTextScript (script));
|
|
previousBaseTextScript = script;
|
|
}
|
|
}
|
|
|
|
private:
|
|
// The Unicode script spec lists a large number of scripts, some of which are recommended to be ignored.
|
|
// We map them to a script that we support here.
|
|
static TextScript mapTextScript (UnicodeScriptType type)
|
|
{
|
|
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wswitch-enum")
|
|
|
|
switch (type)
|
|
{
|
|
case UnicodeScriptType::common: return TextScript::common;
|
|
case UnicodeScriptType::emoji: return TextScript::emoji;
|
|
case UnicodeScriptType::arabic: return TextScript::arabic;
|
|
case UnicodeScriptType::armenian: return TextScript::armenian;
|
|
case UnicodeScriptType::bengali: return TextScript::bengali;
|
|
case UnicodeScriptType::bopomofo: return TextScript::bopomofo;
|
|
case UnicodeScriptType::cyrillic: return TextScript::cyrillic;
|
|
case UnicodeScriptType::devanagari: return TextScript::devanagari;
|
|
case UnicodeScriptType::ethiopic: return TextScript::ethiopic;
|
|
case UnicodeScriptType::georgian: return TextScript::georgian;
|
|
case UnicodeScriptType::greek: return TextScript::greek;
|
|
case UnicodeScriptType::gujarati: return TextScript::gujarati;
|
|
case UnicodeScriptType::gurmukhi: return TextScript::gurmukhi;
|
|
case UnicodeScriptType::hangul: return TextScript::hangul;
|
|
case UnicodeScriptType::han: return TextScript::han;
|
|
case UnicodeScriptType::hebrew: return TextScript::hebrew;
|
|
case UnicodeScriptType::hiragana: return TextScript::hiragana;
|
|
case UnicodeScriptType::katakana: return TextScript::katakana;
|
|
case UnicodeScriptType::kannada: return TextScript::kannada;
|
|
case UnicodeScriptType::khmer: return TextScript::khmer;
|
|
case UnicodeScriptType::lao: return TextScript::lao;
|
|
case UnicodeScriptType::latin: return TextScript::latin;
|
|
case UnicodeScriptType::malayalam: return TextScript::malayalam;
|
|
case UnicodeScriptType::myanmar: return TextScript::myanmar;
|
|
case UnicodeScriptType::oriya: return TextScript::oriya;
|
|
case UnicodeScriptType::sinhala: return TextScript::sinhala;
|
|
case UnicodeScriptType::tamil: return TextScript::tamil;
|
|
case UnicodeScriptType::telugu: return TextScript::telugu;
|
|
case UnicodeScriptType::thaana: return TextScript::thaana;
|
|
case UnicodeScriptType::thai: return TextScript::thai;
|
|
case UnicodeScriptType::tibetan: return TextScript::tibetan;
|
|
|
|
case UnicodeScriptType::adlam: return TextScript::adlam;
|
|
case UnicodeScriptType::balinese: return TextScript::balinese;
|
|
case UnicodeScriptType::bamum: return TextScript::bamum;
|
|
case UnicodeScriptType::batak: return TextScript::batak;
|
|
case UnicodeScriptType::chakma: return TextScript::chakma;
|
|
case UnicodeScriptType::cham: return TextScript::cham;
|
|
case UnicodeScriptType::cherokee: return TextScript::cherokee;
|
|
case UnicodeScriptType::javanese: return TextScript::javanese;
|
|
case UnicodeScriptType::kayah_li: return TextScript::kayahLi;
|
|
case UnicodeScriptType::tai_tham: return TextScript::taiTham;
|
|
case UnicodeScriptType::lepcha: return TextScript::lepcha;
|
|
case UnicodeScriptType::limbu: return TextScript::limbu;
|
|
case UnicodeScriptType::lisu: return TextScript::lisu;
|
|
case UnicodeScriptType::mandaic: return TextScript::mandaic;
|
|
case UnicodeScriptType::meetei_mayek: return TextScript::meeteiMayek;
|
|
case UnicodeScriptType::newa: return TextScript::newa;
|
|
case UnicodeScriptType::nko: return TextScript::nko;
|
|
case UnicodeScriptType::ol_chiki: return TextScript::olChiki;
|
|
case UnicodeScriptType::osage: return TextScript::osage;
|
|
case UnicodeScriptType::miao: return TextScript::miao;
|
|
case UnicodeScriptType::saurashtra: return TextScript::saurashtra;
|
|
case UnicodeScriptType::sundanese: return TextScript::sundanese;
|
|
case UnicodeScriptType::syloti_nagri: return TextScript::sylotiNagri;
|
|
case UnicodeScriptType::syriac: return TextScript::syriac;
|
|
case UnicodeScriptType::tai_le: return TextScript::taiLe;
|
|
case UnicodeScriptType::new_tai_lue: return TextScript::newTaiLue;
|
|
case UnicodeScriptType::tai_viet: return TextScript::taiViet;
|
|
case UnicodeScriptType::tifinagh: return TextScript::tifinagh;
|
|
case UnicodeScriptType::vai: return TextScript::vai;
|
|
case UnicodeScriptType::wancho: return TextScript::wancho;
|
|
case UnicodeScriptType::yi: return TextScript::yi;
|
|
|
|
case UnicodeScriptType::hanifi_rohingya: return TextScript::hanifiRohingya;
|
|
case UnicodeScriptType::nyiakeng_puachue_hmong: return TextScript::nyiakengPuachueHmong;
|
|
case UnicodeScriptType::canadian_aboriginal: return TextScript::canadianAboriginalSyllabics;
|
|
|
|
default: break;
|
|
}
|
|
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
return TextScript::common;
|
|
}
|
|
};
|
|
|
|
}
|