249 lines
11 KiB
C#
249 lines
11 KiB
C#
using Cryville.Common.Culture;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace Cryville.Common.Font {
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public abstract class FontManager {
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protected IReadOnlyDictionary<string, Typeface> MapFullNameToTypeface { get; private set; }
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protected IReadOnlyDictionary<string, IReadOnlyCollection<Typeface>> MapNameToTypefaces { get; private set; }
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public FontManager() {
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var map1 = new Dictionary<string, Typeface>();
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var map2 = new Dictionary<string, List<Typeface>>();
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foreach (var f in EnumerateAllTypefaces()) {
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map1.Add(f.FullName, f);
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List<Typeface> set;
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if (!map2.TryGetValue(f.FamilyName, out set)) {
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map2.Add(f.FamilyName, set = new List<Typeface>());
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}
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set.Add(f);
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}
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MapFullNameToTypeface = map1;
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MapNameToTypefaces = map2.ToDictionary(i => i.Key, i => (IReadOnlyCollection<Typeface>)i.Value);
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}
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protected abstract IEnumerable<Typeface> EnumerateAllTypefaces();
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public abstract IEnumerable<Typeface> MatchScript(string script = null);
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public abstract IEnumerable<Typeface> MatchFamily(string[] candidates);
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protected static IEnumerable<Typeface> ScanDirectoryForTypefaces(string dir) {
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foreach (var f in new DirectoryInfo(dir).EnumerateFiles()) {
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FontFile file;
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try {
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file = FontFile.Create(f);
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}
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catch (InvalidDataException) {
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continue;
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}
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if (file == null) continue;
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var enumerator = file.GetEnumerator();
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while (enumerator.MoveNext()) {
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Typeface ret;
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try {
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ret = enumerator.Current;
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}
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catch (InvalidDataException) {
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continue;
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}
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yield return ret;
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}
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file.Close();
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}
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}
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}
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public class FontManagerAndroid : FontManager {
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protected override IEnumerable<Typeface> EnumerateAllTypefaces() {
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return ScanDirectoryForTypefaces("/system/fonts");
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}
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public override IEnumerable<Typeface> MatchScript(string script = null) {
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throw new NotImplementedException();
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}
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public override IEnumerable<Typeface> MatchFamily(string[] candidates) {
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throw new NotImplementedException();
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}
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}
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public class FontManagerWindows : FontManager {
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public static Dictionary<string, List<string>> MapScriptToTypefaces = new Dictionary<string, List<string>>();
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static FontManagerWindows() {
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if (Environment.OSVersion.Platform != PlatformID.Win32NT) return;
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ScriptUtils.FillKeysWithScripts(MapScriptToTypefaces, () => new List<string>());
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// Reference: https://github.com/chromium/chromium/blob/main/third_party/blink/renderer/platform/fonts/win/font_fallback_win.cc
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MapScriptToTypefaces["zyyy"].Insert(0, "SimSun"); // Custom
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MapScriptToTypefaces["zyyy"].Insert(0, "SimHei"); // Custom
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MapScriptToTypefaces["zyyy"].Insert(0, "Arial");
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MapScriptToTypefaces["zyyy"].Insert(0, "Times New Roman");
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MapScriptToTypefaces["zyyy"].Insert(0, "Segoe UI"); // Custom
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MapScriptToTypefaces["arab"].Insert(0, "Tahoma");
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MapScriptToTypefaces["cyrl"].Insert(0, "Times New Roman");
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MapScriptToTypefaces["grek"].Insert(0, "Times New Roman");
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MapScriptToTypefaces["hebr"].Insert(0, "David");
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MapScriptToTypefaces["jpan"].Insert(0, "MS PGothic");
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MapScriptToTypefaces["latn"].Insert(0, "Times New Roman");
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MapScriptToTypefaces["hans"].Insert(0, "SimSun");
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MapScriptToTypefaces["hans"].Insert(0, "SimHei"); // Custom
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MapScriptToTypefaces["thai"].Insert(0, "Tahoma");
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MapScriptToTypefaces["hans"].Insert(0, "PMingLiU");
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// Reference: https://learn.microsoft.com/en-us/globalization/input/font-support
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var ver = Environment.OSVersion.Version;
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if (ver >= new Version(5, 0)) { // Windows 2000
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MapScriptToTypefaces["armn"].Insert(0, "Sylfaen");
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MapScriptToTypefaces["deva"].Insert(0, "Mangal");
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MapScriptToTypefaces["geor"].Insert(0, "Sylfaen");
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MapScriptToTypefaces["taml"].Insert(0, "Latha");
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}
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if (ver >= new Version(5, 1)) { // Windows XP
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MapScriptToTypefaces["gujr"].Insert(0, "Shruti");
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MapScriptToTypefaces["guru"].Insert(0, "Raavi");
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MapScriptToTypefaces["knda"].Insert(0, "Tunga");
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MapScriptToTypefaces["syrc"].Insert(0, "Estrangelo Edessa");
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MapScriptToTypefaces["telu"].Insert(0, "Gautami");
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MapScriptToTypefaces["thaa"].Insert(0, "MV Boli");
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// SP2
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MapScriptToTypefaces["beng"].Insert(0, "Vrinda");
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MapScriptToTypefaces["mlym"].Insert(0, "Kartika");
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}
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if (ver >= new Version(6, 0)) { // Windows Vista
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MapScriptToTypefaces["cans"].Insert(0, "Euphemia");
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MapScriptToTypefaces["cher"].Insert(0, "Plantagenet");
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MapScriptToTypefaces["ethi"].Insert(0, "Nyala");
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MapScriptToTypefaces["khmr"].Insert(0, "DaunPenh MoolBoran");
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MapScriptToTypefaces["laoo"].Insert(0, "DokChampa");
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MapScriptToTypefaces["mong"].Insert(0, "Mongolian Baiti");
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MapScriptToTypefaces["orya"].Insert(0, "Kalinga");
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MapScriptToTypefaces["sinh"].Insert(0, "Iskoola Pota");
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MapScriptToTypefaces["tibt"].Insert(0, "Microsoft Himalaya");
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MapScriptToTypefaces["yiii"].Insert(0, "Microsoft Yi Baiti");
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MapScriptToTypefaces["arab"].Insert(0, "Segoe UI");
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MapScriptToTypefaces["cyrl"].Insert(0, "Segoe UI");
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MapScriptToTypefaces["grek"].Insert(0, "Segoe UI");
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MapScriptToTypefaces["latn"].Insert(0, "Segoe UI");
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MapScriptToTypefaces["hans"].Add("SimSun-ExtB");
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MapScriptToTypefaces["hant"].Add("MingLiU-ExtB");
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MapScriptToTypefaces["hant"].Add("MingLiU_HKSCS-ExtB");
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MapScriptToTypefaces["arab"].Add("Microsoft Uighur");
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MapScriptToTypefaces["zmth"].Insert(0, "Cambria Math");
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// Reference: https://en.wikipedia.org/wiki/List_of_CJK_fonts
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MapScriptToTypefaces["jpan"].Insert(0, "Meiryo");
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MapScriptToTypefaces["hans"].Insert(0, "Microsoft YaHei");
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}
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if (ver >= new Version(6, 1)) { // Windows 7
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MapScriptToTypefaces["brai"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["dsrt"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["talu"].Insert(0, "Microsoft New Tai Lue");
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MapScriptToTypefaces["ogam"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["osma"].Insert(0, "Ebrima");
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MapScriptToTypefaces["phag"].Insert(0, "Microsoft PhagsPa");
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MapScriptToTypefaces["runr"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["zsym"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["tale"].Insert(0, "Microsoft Tai Le");
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MapScriptToTypefaces["tfng"].Insert(0, "Ebrima");
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MapScriptToTypefaces["vaii"].Insert(0, "Ebrima");
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}
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if (ver >= new Version(6, 2)) { // Windows 8
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MapScriptToTypefaces["glag"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["goth"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["hang"].Add("Malgun Gothic");
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MapScriptToTypefaces["ital"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["lisu"].Insert(0, "Segoe UI");
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MapScriptToTypefaces["mymr"].Insert(0, "Myanmar Text");
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MapScriptToTypefaces["nkoo"].Insert(0, "Ebrima");
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MapScriptToTypefaces["orkh"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["ethi"].Insert(0, "Ebrima");
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MapScriptToTypefaces["cans"].Insert(0, "Gadugi");
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MapScriptToTypefaces["hant"].Insert(0, "Microsoft JhengHei UI");
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MapScriptToTypefaces["hans"].Insert(0, "Microsoft YaHei UI");
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MapScriptToTypefaces["beng"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["deva"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["gujr"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["guru"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
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MapScriptToTypefaces["knda"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
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MapScriptToTypefaces["mlym"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["orya"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["sinh"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
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MapScriptToTypefaces["taml"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
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MapScriptToTypefaces["telu"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["armn"].Insert(0, "Segoe UI");
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MapScriptToTypefaces["geor"].Insert(0, "Segoe UI");
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MapScriptToTypefaces["hebr"].Insert(0, "Segoe UI");
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}
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if (ver >= new Version(6, 3)) { // Windows 8.1
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MapScriptToTypefaces["bugi"].Insert(0, "Leelawadee UI");
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MapScriptToTypefaces["copt"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["java"].Insert(0, "Javanese Text");
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MapScriptToTypefaces["merc"].Insert(0, "Segoe UI Symbol");
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MapScriptToTypefaces["olck"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["sora"].Insert(0, "Nirmala UI");
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MapScriptToTypefaces["khmr"].Insert(0, "Leelawadee UI");
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MapScriptToTypefaces["laoo"].Insert(0, "Leelawadee UI");
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MapScriptToTypefaces["thai"].Insert(0, "Leelawadee UI");
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MapScriptToTypefaces["zsye"].Insert(0, "Segoe UI Emoji");
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}
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if (ver >= new Version(10, 0)) { // Windows 10
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MapScriptToTypefaces["brah"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["cari"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["cprt"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["egyp"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["armi"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["phli"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["prti"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["khar"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["lyci"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["lydi"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["phnx"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["xpeo"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["sarb"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["shaw"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["xsux"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["ugar"].Insert(0, "Segoe UI Historic");
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// Segoe UI Symbol -> Segoe UI Historic
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MapScriptToTypefaces["glag"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["goth"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["merc"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["ogam"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["ital"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["orkh"].Insert(0, "Segoe UI Historic");
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MapScriptToTypefaces["runr"].Insert(0, "Segoe UI Historic");
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//
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MapScriptToTypefaces["jpan"].Insert(0, "Yu Gothic UI");
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MapScriptToTypefaces["zsym"].Add("Segoe MDL2 Assets");
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}
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}
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protected override IEnumerable<Typeface> EnumerateAllTypefaces() {
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return ScanDirectoryForTypefaces("C:/Windows/Fonts");
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}
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public override IEnumerable<Typeface> MatchScript(string script = null) {
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if (string.IsNullOrEmpty(script)) script = ScriptUtils.UltimateFallbackScript;
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List<string> candidates;
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IEnumerable<string> candidateScripts = new string[] { script };
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while (candidateScripts != null) {
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foreach (var candidateScript in candidateScripts) {
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if (MapScriptToTypefaces.TryGetValue(candidateScript, out candidates)) {
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foreach (var candidate in candidates) {
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Typeface typeface;
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if (MapFullNameToTypeface.TryGetValue(candidate, out typeface)) {
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yield return typeface;
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}
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IReadOnlyCollection<Typeface> typefaces;
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if (MapNameToTypefaces.TryGetValue(candidate, out typefaces)) {
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foreach (var typeface2 in typefaces) {
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if (typeface2 == typeface) continue;
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yield return typeface2;
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}
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}
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}
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}
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}
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candidateScripts = ScriptUtils.EnumerateFallbackScripts(script);
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}
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}
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public override IEnumerable<Typeface> MatchFamily(string[] candidates) {
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throw new NotImplementedException();
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}
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}
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}
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