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feat: Initial commit

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PopSlime
2025-02-14 16:06:00 +08:00
commit da75a84e02
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113
Assets/Cryville.Common/Font/FontFile.cs Normal file
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using Cryville.Common.IO;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
namespace Cryville.Common.Font {
public abstract class FontFile : IEnumerable<Typeface> {
public abstract int Count { get; }
public abstract Typeface this[int index] { get; }
protected FileInfo File { get; private set; }
protected BinaryReader Reader { get; private set; }
public FontFile(FileInfo file) {
File = file;
Reader = new BinaryReaderBE(new FileStream(file.FullName, FileMode.Open, FileAccess.Read));
}
public void Close() { Reader.Close(); }
public static FontFile Create(FileInfo file) {
switch (file.Extension) {
case ".ttf": case ".otf": return new FontFileTTF(file);
case ".ttc": case ".otc": return new FontFileTTC(file);
default: return null;
}
}
public Enumerator GetEnumerator() {
return new Enumerator(this);
}
IEnumerator<Typeface> IEnumerable<Typeface>.GetEnumerator() {
return GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator() {
return GetEnumerator();
}
public struct Enumerator : IEnumerator<Typeface> {
readonly FontFile _self;
int _index;
internal Enumerator(FontFile self) {
_self = self;
_index = -1;
}
public Typeface Current {
get {
if (_index < 0)
throw new InvalidOperationException(_index == -1 ? "Enum not started" : "Enum ended");
return _self[_index];
}
}
object IEnumerator.Current { get { return Current; } }
public void Dispose() {
_index = -2;
}
public bool MoveNext() {
if (_index == -2) return false;
_index++;
if (_index >= _self.Count) {
_index = -2;
return false;
}
return true;
}
public void Reset() {
_index = -1;
}
}
}
public class FontFileTTF : FontFile {
public override int Count { get { return 1; } }
public override Typeface this[int index] {
get {
if (index != 0) throw new ArgumentOutOfRangeException("index");
try {
return new TypefaceTTF(Reader, File, index);
}
catch (Exception) {
throw new InvalidDataException("Invalid font");
}
}
}
public FontFileTTF(FileInfo file) : base(file) { }
}
public class FontFileTTC : FontFile {
readonly IReadOnlyList<uint> _offsets;
public override int Count { get { return _offsets.Count; } }
public override Typeface this[int index] {
get {
if (index < 0 || index >= Count) throw new ArgumentOutOfRangeException("index");
Reader.BaseStream.Position = _offsets[index];
try {
return new TypefaceTTF(Reader, File, index);
}
catch (Exception) {
throw new InvalidDataException("Invalid font");
}
}
}
public FontFileTTC(FileInfo file) : base(file) {
try {
_offsets = new TTCHeader(Reader, 0).GetItems();
}
catch (Exception) {
throw new InvalidDataException("Invalid font");
}
}
}
}

11
Assets/Cryville.Common/Font/FontFile.cs.meta Normal file
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64
Assets/Cryville.Common/Font/FontManager.cs Normal file
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using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace Cryville.Common.Font {
public abstract class FontManager {
public IReadOnlyDictionary<string, Typeface> MapFullNameToTypeface { get; private set; }
public IReadOnlyDictionary<string, IReadOnlyCollection<Typeface>> MapNameToTypefaces { get; private set; }
public FontManager() {
var map1 = new Dictionary<string, Typeface>();
var map2 = new Dictionary<string, List<Typeface>>();
foreach (var f in EnumerateAllTypefaces()) {
if (!map1.ContainsKey(f.FullName)) {
map1.Add(f.FullName, f);
}
else {
continue;
}
List<Typeface> set2;
if (!map2.TryGetValue(f.FamilyName, out set2)) {
map2.Add(f.FamilyName, set2 = new List<Typeface>());
}
set2.Add(f);
}
MapFullNameToTypeface = map1;
MapNameToTypefaces = map2.ToDictionary(i => i.Key, i => (IReadOnlyCollection<Typeface>)i.Value);
}
protected abstract IEnumerable<Typeface> EnumerateAllTypefaces();
protected static IEnumerable<Typeface> ScanDirectoryForTypefaces(string dir) {
foreach (var f in new DirectoryInfo(dir).EnumerateFiles()) {
FontFile file;
try {
file = FontFile.Create(f);
}
catch (InvalidDataException) {
continue;
}
if (file == null) continue;
var enumerator = file.GetEnumerator();
while (enumerator.MoveNext()) {
Typeface ret;
try {
ret = enumerator.Current;
}
catch (InvalidDataException) {
continue;
}
yield return ret;
}
file.Close();
}
}
}
public class FontManagerAndroid : FontManager {
protected override IEnumerable<Typeface> EnumerateAllTypefaces() {
return ScanDirectoryForTypefaces("/system/fonts");
}
}
public class FontManagerWindows : FontManager {
protected override IEnumerable<Typeface> EnumerateAllTypefaces() {
return ScanDirectoryForTypefaces("C:/Windows/Fonts");
}
}
}

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Assets/Cryville.Common/Font/FontManager.cs.meta Normal file
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343
Assets/Cryville.Common/Font/FontMatcher.cs Normal file
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using Cryville.Culture;
using System;
using System.Collections.Generic;
using System.Linq;
namespace Cryville.Common.Font {
public abstract class FontMatcher {
protected FontManager Manager { get; private set; }
public FontMatcher(FontManager manager) { Manager = manager; }
public abstract IEnumerable<Typeface> MatchLanguage(LanguageId lang, bool distinctFamily = false);
}
public class FallbackListFontMatcher : FontMatcher {
readonly LanguageMatching _matcher;
static readonly string UltimateFallbackScript = "zzzz";
public Dictionary<string, List<string>> MapScriptToTypefaces = new();
public static Dictionary<string, List<string>> GetDefaultWindowsFallbackMap() {
var map = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
FillKeysWithScripts(map, () => new List<string>());
// Reference: https://github.com/chromium/chromium/blob/main/third_party/blink/renderer/platform/fonts/win/font_fallback_win.cc
map[UltimateFallbackScript].Insert(0, "SimSun"); // Custom
map[UltimateFallbackScript].Insert(0, "SimHei"); // Custom
map[UltimateFallbackScript].Insert(0, "Microsoft YaHei"); // Custom
map[UltimateFallbackScript].Insert(0, "Arial");
map[UltimateFallbackScript].Insert(0, "Times New Roman");
map[UltimateFallbackScript].Insert(0, "Segoe UI"); // Custom
map["arab"].Insert(0, "Tahoma");
map["cyrl"].Insert(0, "Times New Roman");
map["grek"].Insert(0, "Times New Roman");
map["hebr"].Insert(0, "David");
map["jpan"].Insert(0, "MS PGothic");
map["latn"].Insert(0, "Times New Roman");
map["hans"].Insert(0, "SimSun");
map["hans"].Insert(0, "SimHei"); // Custom
map["thai"].Insert(0, "Tahoma");
map["hans"].Insert(0, "PMingLiU");
// Reference: https://learn.microsoft.com/en-us/globalization/input/font-support
var ver = Environment.OSVersion.Version;
if (ver >= new Version(5, 0)) { // Windows 2000
map["armn"].Insert(0, "Sylfaen");
map["deva"].Insert(0, "Mangal");
map["geor"].Insert(0, "Sylfaen");
map["taml"].Insert(0, "Latha");
}
if (ver >= new Version(5, 1)) { // Windows XP
map["gujr"].Insert(0, "Shruti");
map["guru"].Insert(0, "Raavi");
map["knda"].Insert(0, "Tunga");
map["syrc"].Insert(0, "Estrangelo Edessa");
map["telu"].Insert(0, "Gautami");
map["thaa"].Insert(0, "MV Boli");
// SP2
map["beng"].Insert(0, "Vrinda");
map["mlym"].Insert(0, "Kartika");
}
if (ver >= new Version(6, 0)) { // Windows Vista
map["cans"].Insert(0, "Euphemia");
map["cher"].Insert(0, "Plantagenet");
map["ethi"].Insert(0, "Nyala");
map["khmr"].Insert(0, "DaunPenh MoolBoran");
map["kore"].Insert(0, "Malgun Gothic"); // Reference: https://en.wikipedia.org/wiki/List_of_typefaces_included_with_Microsoft_Windows
map["laoo"].Insert(0, "DokChampa");
map["mong"].Insert(0, "Mongolian Baiti");
map["orya"].Insert(0, "Kalinga");
map["sinh"].Insert(0, "Iskoola Pota");
map["tibt"].Insert(0, "Microsoft Himalaya");
map["yiii"].Insert(0, "Microsoft Yi Baiti");
map["arab"].Insert(0, "Segoe UI");
map["cyrl"].Insert(0, "Segoe UI");
map["grek"].Insert(0, "Segoe UI");
map["latn"].Insert(0, "Segoe UI");
map["hans"].Add("SimSun-ExtB");
map["hant"].Add("MingLiU-ExtB");
map["hant"].Add("MingLiU_HKSCS-ExtB");
map["arab"].Add("Microsoft Uighur");
map["zmth"].Insert(0, "Cambria Math");
// Reference: https://en.wikipedia.org/wiki/List_of_CJK_fonts
map["jpan"].Insert(0, "Meiryo");
map["hans"].Insert(0, "Microsoft YaHei");
}
if (ver >= new Version(6, 1)) { // Windows 7
map["brai"].Insert(0, "Segoe UI Symbol");
map["dsrt"].Insert(0, "Segoe UI Symbol");
map["talu"].Insert(0, "Microsoft New Tai Lue");
map["ogam"].Insert(0, "Segoe UI Symbol");
map["osma"].Insert(0, "Ebrima");
map["phag"].Insert(0, "Microsoft PhagsPa");
map["runr"].Insert(0, "Segoe UI Symbol");
map["zsym"].Insert(0, "Segoe UI Symbol");
map["tale"].Insert(0, "Microsoft Tai Le");
map["tfng"].Insert(0, "Ebrima");
map["vaii"].Insert(0, "Ebrima");
}
if (ver >= new Version(6, 2)) { // Windows 8
map["glag"].Insert(0, "Segoe UI Symbol");
map["goth"].Insert(0, "Segoe UI Symbol");
map["hang"].Add("Malgun Gothic");
map["ital"].Insert(0, "Segoe UI Symbol");
map["lisu"].Insert(0, "Segoe UI");
map["mymr"].Insert(0, "Myanmar Text");
map["nkoo"].Insert(0, "Ebrima");
map["orkh"].Insert(0, "Segoe UI Symbol");
map["ethi"].Insert(0, "Ebrima");
map["cans"].Insert(0, "Gadugi");
map["hant"].Insert(0, "Microsoft JhengHei UI");
map["hans"].Insert(0, "Microsoft YaHei UI");
map["beng"].Insert(0, "Nirmala UI");
map["deva"].Insert(0, "Nirmala UI");
map["gujr"].Insert(0, "Nirmala UI");
map["guru"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
map["knda"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
map["mlym"].Insert(0, "Nirmala UI");
map["orya"].Insert(0, "Nirmala UI");
map["sinh"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
map["taml"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
map["telu"].Insert(0, "Nirmala UI");
map["armn"].Insert(0, "Segoe UI");
map["geor"].Insert(0, "Segoe UI");
map["hebr"].Insert(0, "Segoe UI");
}
if (ver >= new Version(6, 3)) { // Windows 8.1
map["bugi"].Insert(0, "Leelawadee UI");
map["copt"].Insert(0, "Segoe UI Symbol");
map["java"].Insert(0, "Javanese Text");
map["merc"].Insert(0, "Segoe UI Symbol");
map["olck"].Insert(0, "Nirmala UI");
map["sora"].Insert(0, "Nirmala UI");
map["khmr"].Insert(0, "Leelawadee UI");
map["laoo"].Insert(0, "Leelawadee UI");
map["thai"].Insert(0, "Leelawadee UI");
map["zsye"].Insert(0, "Segoe UI Emoji");
}
if (ver >= new Version(10, 0)) { // Windows 10
map["brah"].Insert(0, "Segoe UI Historic");
map["cari"].Insert(0, "Segoe UI Historic");
map["cprt"].Insert(0, "Segoe UI Historic");
map["egyp"].Insert(0, "Segoe UI Historic");
map["armi"].Insert(0, "Segoe UI Historic");
map["phli"].Insert(0, "Segoe UI Historic");
map["prti"].Insert(0, "Segoe UI Historic");
map["khar"].Insert(0, "Segoe UI Historic");
map["lyci"].Insert(0, "Segoe UI Historic");
map["lydi"].Insert(0, "Segoe UI Historic");
map["phnx"].Insert(0, "Segoe UI Historic");
map["xpeo"].Insert(0, "Segoe UI Historic");
map["sarb"].Insert(0, "Segoe UI Historic");
map["shaw"].Insert(0, "Segoe UI Historic");
map["xsux"].Insert(0, "Segoe UI Historic");
map["ugar"].Insert(0, "Segoe UI Historic");
// Segoe UI Symbol -> Segoe UI Historic
map["glag"].Insert(0, "Segoe UI Historic");
map["goth"].Insert(0, "Segoe UI Historic");
map["merc"].Insert(0, "Segoe UI Historic");
map["ogam"].Insert(0, "Segoe UI Historic");
map["ital"].Insert(0, "Segoe UI Historic");
map["orkh"].Insert(0, "Segoe UI Historic");
map["runr"].Insert(0, "Segoe UI Historic");
//
map["jpan"].Insert(0, "Yu Gothic UI");
map["zsym"].Add("Segoe MDL2 Assets");
}
return map;
}
public static Dictionary<string, List<string>> GetDefaultAndroidFallbackMap() {
var map = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
FillKeysWithScripts(map, () => new List<string>());
map[UltimateFallbackScript].Insert(0, "Noto Sans CJK TC"); // TODO Modify default fallback
map[UltimateFallbackScript].Insert(0, "Noto Sans CJK JP");
map[UltimateFallbackScript].Insert(0, "Noto Sans CJK SC");
map[UltimateFallbackScript].Insert(0, "Roboto");
map["zsye"].Insert(0, "Noto Color Emoji");
map["zsye"].Add("Noto Color Emoji Flags");
map["arab"].Insert(0, "Noto Naskh Arabic");
map["adlm"].Insert(0, "Noto Sans Adlam");
map["ahom"].Insert(0, "Noto Sans Ahom");
map["hluw"].Insert(0, "Noto Sans Anatolian Hieroglyphs");
map["armn"].Insert(0, "Noto Sans Armenian");
map["avst"].Insert(0, "Noto Sans Avestan");
map["bali"].Insert(0, "Noto Sans Balinese");
map["bamu"].Insert(0, "Noto Sans Bamum");
map["bass"].Insert(0, "Noto Sans Bassa Vah");
map["batk"].Insert(0, "Noto Sans Batak");
map["beng"].Insert(0, "Noto Sans Bengali");
map["bhks"].Insert(0, "Noto Sans Bhaiksuki");
map["brah"].Insert(0, "Noto Sans Brahmi");
map["bugi"].Insert(0, "Noto Sans Buginese");
map["buhd"].Insert(0, "Noto Sans Buhid");
map["jpan"].Insert(0, "Noto Sans CJK JP");
map["kore"].Insert(0, "Noto Sans CJK KR");
map["hans"].Insert(0, "Noto Sans CJK SC");
map["hant"].Insert(0, "Noto Sans CJK TC");
map["hant"].Add("Noto Sans CJK HK");
map["cans"].Insert(0, "Noto Sans Canadian Aboriginal");
map["cari"].Insert(0, "Noto Sans Carian");
map["cakm"].Insert(0, "Noto Sans Chakma");
map["cham"].Insert(0, "Noto Sans Cham");
map["cher"].Insert(0, "Noto Sans Cherokee");
map["copt"].Insert(0, "Noto Sans Coptic");
map["xsux"].Insert(0, "Noto Sans Cuneiform");
map["cprt"].Insert(0, "Noto Sans Cypriot");
map["dsrt"].Insert(0, "Noto Sans Deseret");
map["deva"].Insert(0, "Noto Sans Devanagari");
map["egyp"].Insert(0, "Noto Sans Egyptian Hieroglyphs");
map["elba"].Insert(0, "Noto Sans Elbasan");
map["ethi"].Insert(0, "Noto Sans Ethiopic");
map["geor"].Insert(0, "Noto Sans Georgian");
map["glag"].Insert(0, "Noto Sans Glagolitic");
map["goth"].Insert(0, "Noto Sans Gothic");
map["gran"].Insert(0, "Noto Sans Grantha");
map["gujr"].Insert(0, "Noto Sans Gujarati");
map["gong"].Insert(0, "Noto Sans Gunjala Gondi");
map["guru"].Insert(0, "Noto Sans Gurmukhi");
map["rohg"].Insert(0, "Noto Sans Hanifi Rohingya");
map["hano"].Insert(0, "Noto Sans Hanunoo");
map["hatr"].Insert(0, "Noto Sans Hatran");
map["hebr"].Insert(0, "Noto Sans Hebrew");
map["armi"].Insert(0, "Noto Sans Imperial Aramaic");
map["phli"].Insert(0, "Noto Sans Inscriptional Pahlavi");
map["prti"].Insert(0, "Noto Sans Inscriptional Parthian");
map["java"].Insert(0, "Noto Sans Javanese");
map["kthi"].Insert(0, "Noto Sans Kaithi");
map["knda"].Insert(0, "Noto Sans Kannada");
map["kali"].Insert(0, "Noto Sans KayahLi");
map["khar"].Insert(0, "Noto Sans Kharoshthi");
map["khmr"].Insert(0, "Noto Sans Khmer");
map["khoj"].Insert(0, "Noto Sans Khojki");
map["laoo"].Insert(0, "Noto Sans Lao");
map["lepc"].Insert(0, "Noto Sans Lepcha");
map["limb"].Insert(0, "Noto Sans Limbu");
map["lina"].Insert(0, "Noto Sans Linear A");
map["linb"].Insert(0, "Noto Sans Linear B");
map["lisu"].Insert(0, "Noto Sans Lisu");
map["lyci"].Insert(0, "Noto Sans Lycian");
map["lydi"].Insert(0, "Noto Sans Lydian");
map["mlym"].Insert(0, "Noto Sans Malayalam");
map["mand"].Insert(0, "Noto Sans Mandiac");
map["mani"].Insert(0, "Noto Sans Manichaean");
map["marc"].Insert(0, "Noto Sans Marchen");
map["gonm"].Insert(0, "Noto Sans Masaram Gondi");
map["medf"].Insert(0, "Noto Sans Medefaidrin");
map["mtei"].Insert(0, "Noto Sans Meetei Mayek");
map["merc"].Insert(0, "Noto Sans Meroitic");
map["mero"].Insert(0, "Noto Sans Meroitic");
map["plrd"].Insert(0, "Noto Sans Miao");
map["modi"].Insert(0, "Noto Sans Modi");
map["mong"].Insert(0, "Noto Sans Mongolian");
map["mroo"].Insert(0, "Noto Sans Mro");
map["mult"].Insert(0, "Noto Sans Multani");
map["mymr"].Insert(0, "Noto Sans Myanmar");
map["nkoo"].Insert(0, "Noto Sans Nko");
map["nbat"].Insert(0, "Noto Sans Nabataean");
map["talu"].Insert(0, "Noto Sans New Tai Lue");
map["newa"].Insert(0, "Noto Sans Newa");
map["ogam"].Insert(0, "Noto Sans Ogham");
map["olck"].Insert(0, "Noto Sans Ol Chiki");
map["ital"].Insert(0, "Noto Sans Old Italian");
map["narb"].Insert(0, "Noto Sans Old North Arabian");
map["perm"].Insert(0, "Noto Sans Old Permic");
map["xpeo"].Insert(0, "Noto Sans Old Persian");
map["sarb"].Insert(0, "Noto Sans Old South Arabian");
map["orkh"].Insert(0, "Noto Sans Old Turkic");
map["orya"].Insert(0, "Noto Sans Oriya");
map["osge"].Insert(0, "Noto Sans Osage");
map["osma"].Insert(0, "Noto Sans Osmanya");
map["hmng"].Insert(0, "Noto Sans Pahawh Hmong");
map["palm"].Insert(0, "Noto Sans Palmyrene");
map["pauc"].Insert(0, "Noto Sans Pau Cin Hau");
map["phag"].Insert(0, "Noto Sans Phags Pa");
map["phnx"].Insert(0, "Noto Sans Phoenician");
map["rjng"].Insert(0, "Noto Sans Rejang");
map["runr"].Insert(0, "Noto Sans Runic");
map["samr"].Insert(0, "Noto Sans Samaritan");
map["saur"].Insert(0, "Noto Sans Saurashtra");
map["shrd"].Insert(0, "Noto Sans Sharada");
map["shaw"].Insert(0, "Noto Sans Shavian");
map["sinh"].Insert(0, "Noto Sans Sinhala");
map["sora"].Insert(0, "Noto Sans Sora Sompeng");
map["soyo"].Insert(0, "Noto Sans Soyombo");
map["sund"].Insert(0, "Noto Sans Sundanese");
map["sylo"].Insert(0, "Noto Sans Syloti Nagri");
map["zsym"].Insert(0, "Noto Sans Symbols");
map["syrc"].Add("Noto Sans Syriac Eastern");
map["syrc"].Add("Noto Sans Syriac Western");
map["syrc"].Add("Noto Sans Syriac Estrangela");
map["tglg"].Insert(0, "Noto Sans Tagalog");
map["tagb"].Insert(0, "Noto Sans Tagbanwa");
map["tale"].Insert(0, "Noto Sans Tai Le");
map["lana"].Insert(0, "Noto Sans Tai Tham");
map["tavt"].Insert(0, "Noto Sans Tai Viet");
map["takr"].Insert(0, "Noto Sans Takri");
map["taml"].Insert(0, "Noto Sans Tamil");
map["telu"].Insert(0, "Noto Sans Telugu");
map["thaa"].Insert(0, "Noto Sans Thaana");
map["thai"].Insert(0, "Noto Sans Thai");
map["tfng"].Insert(0, "Noto Sans Tifinagh");
map["ugar"].Insert(0, "Noto Sans Ugaritic");
map["vaii"].Insert(0, "Noto Sans Vai");
map["wcho"].Insert(0, "Noto Sans Wancho");
map["wara"].Insert(0, "Noto Sans Warang Citi");
map["yiii"].Insert(0, "Noto Sans Yi");
return map;
}
static void FillKeysWithScripts<T>(IDictionary<string, T> map, Func<T> value) {
foreach (var s in IdValidity.Enumerate("script")) map.Add(s, value());
}
public FallbackListFontMatcher(LanguageMatching matcher, FontManager manager) : base(manager) {
_matcher = matcher;
}
public override IEnumerable<Typeface> MatchLanguage(LanguageId lang, bool distinctFamily = false) {
var supported = MapScriptToTypefaces.Keys.Select(i => new LanguageId(i)).ToList();
bool flag = false;
while (_matcher.Match(lang, supported, out var match, out var distance)) {
if (distance > 40) break;
if (match.Script.Equals(UltimateFallbackScript, StringComparison.OrdinalIgnoreCase)) {
flag = true;
}
var candidates = MapScriptToTypefaces[match.Script];
foreach (var typeface in EnumerateTypefaces(candidates, distinctFamily)) {
yield return typeface;
}
supported.Remove(match);
}
if (flag) yield break;
foreach (var typeface in EnumerateTypefaces(MapScriptToTypefaces[UltimateFallbackScript], distinctFamily)) {
yield return typeface;
}
}
IEnumerable<Typeface> EnumerateTypefaces(List<string> candidates, bool distinctFamily) {
foreach (var candidate in candidates) {
if (Manager.MapFullNameToTypeface.TryGetValue(candidate, out var typeface1)) {
yield return typeface1;
}
if (distinctFamily) continue;
if (Manager.MapNameToTypefaces.TryGetValue(candidate, out var typefaces2)) {
foreach (var typeface in typefaces2) {
if (typeface1 == typeface) continue;
yield return typeface;
}
}
}
}
}
}

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Assets/Cryville.Common/Font/FontMatcher.cs.meta Normal file
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256
Assets/Cryville.Common/Font/FontTable.cs Normal file
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using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
#pragma warning disable IDE0049
namespace Cryville.Common.Font {
public abstract class FontTable<T> {
protected UInt32 Offset { get; private set; }
protected BinaryReader Reader { get; private set; }
protected FontTable(BinaryReader reader, UInt32 offset) {
Reader = reader;
Offset = offset;
reader.BaseStream.Position = offset;
}
public abstract IReadOnlyList<T> GetItems();
}
public abstract class FontTable<T, U> : FontTable<T> {
protected FontTable(BinaryReader reader, UInt32 offset) : base(reader, offset) { }
public abstract U GetSubTable(T item);
}
public sealed class TTCHeader : FontTable<UInt32, TableDirectory> {
readonly String ttcTag;
readonly UInt16 majorVersion;
readonly UInt16 minorVersion;
readonly UInt32 numFonts;
readonly List<UInt32> tableDirectoryOffsets = new List<UInt32>();
#pragma warning disable IDE0052 // Reserved
readonly String dsigTag;
readonly UInt32 dsigLength;
readonly UInt32 dsigOffset;
#pragma warning restore IDE0052 // Reserved
public TTCHeader(BinaryReader reader, UInt32 offset) : base(reader, offset) {
ttcTag = reader.ReadTag();
if (ttcTag != "ttcf") throw new NotSupportedException();
majorVersion = reader.ReadUInt16();
minorVersion = reader.ReadUInt16();
if (minorVersion != 0) throw new NotSupportedException();
numFonts = reader.ReadUInt32();
for (UInt32 i = 0; i < numFonts; i++) tableDirectoryOffsets.Add(reader.ReadUInt32());
if (majorVersion == 2) {
dsigTag = reader.ReadTag();
dsigLength = reader.ReadUInt32();
dsigOffset = reader.ReadUInt32();
}
}
public override IReadOnlyList<UInt32> GetItems() {
return tableDirectoryOffsets;
}
public override TableDirectory GetSubTable(UInt32 item) {
var i = item;
return new TableDirectory(Reader, i);
}
}
public sealed class TableDirectory : FontTable<TableRecord, object> {
readonly UInt32 sfntVersion;
readonly UInt16 numTables;
#pragma warning disable IDE0052 // Reserved
readonly UInt16 searchRange;
readonly UInt16 entrySelector;
readonly UInt16 rangeShift;
#pragma warning restore IDE0052 // Reserved
readonly List<TableRecord> tableRecords = new List<TableRecord>();
public TableDirectory(BinaryReader reader, UInt32 offset) : base(reader, offset) {
sfntVersion = reader.ReadUInt32();
if (sfntVersion != 0x00010000 && sfntVersion != 0x4F54544F &&
sfntVersion != 0x74727565 && sfntVersion != 0x74797031) throw new NotSupportedException();
numTables = reader.ReadUInt16();
searchRange = reader.ReadUInt16();
entrySelector = reader.ReadUInt16();
rangeShift = reader.ReadUInt16();
for (int i = 0; i < numTables; i++)
tableRecords.Add(new TableRecord {
tableTag = reader.ReadTag(),
checksum = reader.ReadUInt32(),
offset = reader.ReadUInt32(),
length = reader.ReadUInt32(),
});
}
public override IReadOnlyList<TableRecord> GetItems() {
return tableRecords;
}
public override object GetSubTable(TableRecord item) {
switch (item.tableTag) {
case "name": return new NameTable(Reader, item.offset);
case "meta": return new MetaTable(Reader, item.offset);
default: throw new NotImplementedException();
}
}
}
public struct TableRecord {
public string tableTag;
public UInt32 checksum;
public UInt32 offset;
public UInt32 length;
}
public sealed class NameTable : FontTable<NameRecord> {
readonly UInt16 version;
readonly UInt16 count;
readonly UInt16 storageOffset;
readonly List<NameRecord> nameRecord = new List<NameRecord>();
readonly UInt16 langTagCount;
readonly List<LangTagRecord> langTagRecord = new List<LangTagRecord>();
public NameTable(BinaryReader reader, UInt32 offset) : base(reader, offset) {
version = reader.ReadUInt16();
count = reader.ReadUInt16();
storageOffset = reader.ReadUInt16();
for (UInt16 i = 0; i < count; i++)
nameRecord.Add(new NameRecord(
reader.ReadUInt16(),
reader.ReadUInt16(),
reader.ReadUInt16(),
(NameID)reader.ReadUInt16(),
reader.ReadUInt16(),
reader.ReadUInt16()
));
if (version == 1) {
langTagCount = reader.ReadUInt16();
for (UInt16 i = 0; i < langTagCount; i++)
langTagRecord.Add(new LangTagRecord(
reader.ReadUInt16(),
reader.ReadUInt16()
));
}
foreach (var i in nameRecord)
i.Load(reader, offset + storageOffset);
if (version == 1) {
foreach (var i in langTagRecord)
i.Load(reader, offset + storageOffset);
}
}
public sealed override IReadOnlyList<NameRecord> GetItems() {
return nameRecord;
}
}
public class NameRecord {
public UInt16 PlatformID { get; private set; }
public UInt16 EncodingID { get; private set; }
public UInt16 LanguageID { get; private set; }
public NameID NameID { get; private set; }
public UInt16 Length { get; private set; }
public UInt16 StringOffset { get; private set; }
public String Value { get; private set; }
public NameRecord(UInt16 platformID, UInt16 encodingID, UInt16 languageID, NameID nameID, UInt16 length, UInt16 stringOffset) {
PlatformID = platformID;
EncodingID = encodingID;
LanguageID = languageID;
NameID = nameID;
Length = length;
StringOffset = stringOffset;
}
public void Load(BinaryReader reader, UInt32 origin) {
reader.BaseStream.Position = origin + StringOffset;
Encoding encoding;
try {
switch (PlatformID) {
case 0: encoding = Encoding.BigEndianUnicode; break;
case 1: encoding = Encoding.GetEncoding(10000 + EncodingID); break;
case 3: encoding = Encoding.BigEndianUnicode; break;
default: return;
}
}
catch (NotSupportedException) { return; }
catch (ArgumentException) { return; }
Value = encoding.GetString(reader.ReadBytes(Length));
}
}
public enum NameID : UInt16 {
CopyrightNotice = 0,
FontFamilyName = 1,
FontSubfamilyName = 2,
UniqueFontIdentifier = 3,
FullFontName = 4,
VersionString = 5,
PostScriptName = 6,
Trademark = 7,
ManufacturerName = 8,
Designer = 9,
Description = 10,
URLVendor = 11,
URLDesigner = 12,
LicenseDescription = 13,
LicenseInfoURL = 14,
TypographicFamilyName = 16,
TypographicSubfamilyName = 17,
CompatibleFull = 18,
SampleText = 19,
PostScriptCIDFindfontName = 20,
WWSFamilyName = 21,
WWSSubfamilyName = 22,
LightBackgroundPalette = 23,
DarkBackgroundPalette = 24,
VariationsPostScriptNamePrefix = 25,
}
public class LangTagRecord {
public UInt16 Length { get; private set; }
public UInt16 LangTagOffset { get; private set; }
public String Value { get; private set; }
public LangTagRecord(UInt16 length, UInt16 langTagOffset) {
Length = length;
LangTagOffset = langTagOffset;
}
public void Load(BinaryReader reader, UInt32 origin) {
reader.BaseStream.Position = origin + LangTagOffset;
Value = Encoding.BigEndianUnicode.GetString(reader.ReadBytes(Length));
}
}
public sealed class MetaTable : FontTable<DataMap> {
readonly UInt32 version;
#pragma warning disable IDE0052 // Reserved
readonly UInt32 flags;
#pragma warning restore IDE0052 // Reserved
readonly UInt32 dataMapCount;
readonly List<DataMap> dataMaps = new List<DataMap>();
public MetaTable(BinaryReader reader, UInt32 offset) : base(reader, offset) {
version = reader.ReadUInt32();
if (version != 1) throw new NotSupportedException();
flags = reader.ReadUInt32();
reader.ReadUInt32();
dataMapCount = reader.ReadUInt32();
for (UInt32 i = 0; i < dataMapCount; i++)
dataMaps.Add(new DataMap (
reader.ReadTag(),
reader.ReadUInt32(),
reader.ReadUInt32()
));
foreach (var i in dataMaps)
i.Load(reader, offset);
}
public sealed override IReadOnlyList<DataMap> GetItems() {
return dataMaps;
}
}
public class DataMap {
public String Tag { get; private set; }
public UInt32 DataOffset { get; private set; }
public UInt32 DataLength { get; private set; }
public String Value { get; private set; }
public DataMap(String tag, UInt32 dataOffset, UInt32 dataLength) {
Tag = tag;
DataOffset = dataOffset;
DataLength = dataLength;
}
public void Load(BinaryReader reader, UInt32 origin) {
reader.BaseStream.Position = origin + DataOffset;
Value = Encoding.ASCII.GetString(reader.ReadBytes((int)DataLength));
}
}
public static class BinaryReaderExtensions {
public static string ReadTag(this BinaryReader reader) {
return Encoding.ASCII.GetString(reader.ReadBytes(4));
}
}
}

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Assets/Cryville.Common/Font/FontTable.cs.meta Normal file
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fileFormatVersion: 2
guid: 3805282a4858eec4d8ff91826ed7e896
MonoImporter:
externalObjects: {}
serializedVersion: 2
defaultReferences: []
executionOrder: 0
icon: {instanceID: 0}
userData:
assetBundleName:
assetBundleVariant:

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using System.IO;
using System.Linq;
namespace Cryville.Common.Font {
public abstract class Typeface {
public FileInfo File { get; private set; }
public int IndexInFile { get; private set; }
public string FamilyName { get; protected set; }
public string SubfamilyName { get; protected set; }
public string FullName { get; protected set; }
protected abstract void GetName(BinaryReader reader);
public Typeface(BinaryReader reader, FileInfo file, int index) {
File = file;
IndexInFile = index;
GetName(reader);
}
}
public class TypefaceTTF : Typeface {
public TypefaceTTF(BinaryReader reader, FileInfo file, int index)
: base(reader, file, index) { }
protected override void GetName(BinaryReader reader) {
var dir = new TableDirectory(reader, (uint)reader.BaseStream.Position);
var nameTable = (NameTable)dir.GetSubTable((from i in dir.GetItems() where i.tableTag == "name" select i).Single());
FamilyName = (from i in nameTable.GetItems() where i.NameID == NameID.FontFamilyName && i.Value != null select i.Value).First();
SubfamilyName = (from i in nameTable.GetItems() where i.NameID == NameID.FontSubfamilyName && i.Value != null select i.Value).First();
FullName = (from i in nameTable.GetItems() where i.NameID == NameID.FullFontName && i.Value != null select i.Value).First();
}
}
}

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fileFormatVersion: 2
guid: 943e0cf54256f2a479996d877b2b0e84
MonoImporter:
externalObjects: {}
serializedVersion: 2
defaultReferences: []
executionOrder: 0
icon: {instanceID: 0}
userData:
assetBundleName:
assetBundleVariant: