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* add HarfBuzzBinding * split SubsetConfig from PyFontTools and add SubsetToolBase * add HarfBuzzSubset * rename SubsetByPyFT to SubsetCore * afs.cmd: add new option --subset-backend * HarfBuzzBinding: native apis fix typo * afs.cmd: add missing * HarfBuzzSubset: fix output font filename * now only win-x64 support hb-subset * HarfBuzzSubset: rename all need modfied names * HarfBuzzSubset: fix debug chars txt is empty * move enableFeatures to FontConstant.SubsetKeepFeatures * remove unused layout features * debug txt delete duplicate suffix * afs.cmd: update --subset-backend description
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@@ -265,4 +265,5 @@ __pycache__/ | |
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| # Test Files | ||
| test/ | ||
| */Properties/* | ||
| */Properties/* | ||
| /native | ||
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| @@ -0,0 +1,144 @@ | ||
| using System.Runtime.InteropServices; | ||
| using System.Text; | ||
| using HarfBuzzBinding; | ||
| using Microsoft.Extensions.Logging; | ||
| using ZLogger; | ||
| using SubsetApis = HarfBuzzBinding.Native.Subset.Apis; | ||
| using HBApis = HarfBuzzBinding.Native.Apis; | ||
| using System.Diagnostics; | ||
| using HarfBuzzBinding.Native.Subset; | ||
| using OTFontFile; | ||
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| namespace AssFontSubset.Core; | ||
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| public unsafe class HarfBuzzSubset(ILogger? logger) : SubsetToolBase | ||
| { | ||
| private Version hbssVersion = new Version(Methods.GetHarfBuzzVersion()!); | ||
| public SubsetConfig Config; | ||
| public Stopwatch? sw; | ||
| private long timer; | ||
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| public override void SubsetFonts(Dictionary<string, List<SubsetFont>> subsetFonts, string outputFolder, out Dictionary<string, string> nameMap) | ||
| { | ||
| logger?.ZLogInformation($"Start subset font"); | ||
| logger?.ZLogInformation($"Font subset use harfbuzz-subset {hbssVersion}"); | ||
| nameMap = []; | ||
| logger?.ZLogDebug($"Generate randomly non repeating font names"); | ||
| var randoms = SubsetFont.GenerateRandomStrings(8, subsetFonts.Keys.Count); | ||
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| var i = 0; | ||
| foreach (var kv in subsetFonts) | ||
| { | ||
| nameMap[kv.Key] = randoms[i]; | ||
| foreach (var subsetFont in kv.Value) | ||
| { | ||
| subsetFont.RandomNewName = randoms[i]; | ||
| logger?.ZLogInformation($"Start subset {subsetFont.OriginalFontFile.Name}"); | ||
| timer = 0; | ||
| CreateFontSubset(subsetFont, outputFolder); | ||
| logger?.ZLogInformation($"Subset font completed, use {timer} ms"); | ||
| } | ||
| } | ||
| } | ||
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| public override void CreateFontSubset(SubsetFont ssf, string outputFolder) | ||
| { | ||
| if (!Path.Exists(outputFolder)) | ||
| { | ||
| new DirectoryInfo(outputFolder).Create(); | ||
| } | ||
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| var outputFileWithoutSuffix = Path.GetFileNameWithoutExtension(ssf.OriginalFontFile.Name); | ||
| var outputFile = new StringBuilder($"{outputFileWithoutSuffix}.{ssf.TrackIndex}.{ssf.RandomNewName}"); | ||
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| var originalFontFileSuffix = Path.GetExtension(ssf.OriginalFontFile.Name).AsSpan(); | ||
| var outFileWithoutSuffix = outputFile.ToString(); | ||
| outputFile.Append(originalFontFileSuffix[..3]); | ||
| switch (originalFontFileSuffix[^1]) | ||
| { | ||
| case 'c': | ||
| outputFile.Append('f'); | ||
| break; | ||
| case 'C': | ||
| outputFile.Append('F'); | ||
| break; | ||
| default: | ||
| outputFile.Append(originalFontFileSuffix[^1]); | ||
| break; | ||
| } | ||
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| var outputFileName = Path.Combine(outputFolder, outputFile.ToString()); | ||
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| ssf.Preprocessing(); | ||
| var modifyIds = GetModifyNameIds(ssf.OriginalFontFile.FullName, ssf.TrackIndex); | ||
| if (Config.DebugMode) | ||
| { | ||
| ssf.CharactersFile = Path.Combine(outputFolder, $"{outFileWithoutSuffix}.txt"); | ||
| ssf.WriteRunesToUtf8File(); | ||
| } | ||
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| sw ??= new Stopwatch(); | ||
| sw.Start(); | ||
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| _ = Methods.TryGetFontFace(ssf.OriginalFontFile.FullName, ssf.TrackIndex, out var facePtr); | ||
| facePtr = SubsetApis.hb_subset_preprocess(facePtr); | ||
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| var input = SubsetApis.hb_subset_input_create_or_fail(); | ||
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| var unicodes = SubsetApis.hb_subset_input_unicode_set(input); | ||
| foreach (var rune in ssf.Runes) | ||
| { | ||
| HBApis.hb_set_add(unicodes, (uint)rune.Value); | ||
| } | ||
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| var features = SubsetApis.hb_subset_input_set(input, hb_subset_sets_t.HB_SUBSET_SETS_LAYOUT_FEATURE_TAG); | ||
| HBApis.hb_set_clear(features); | ||
| foreach (var feature in FontConstant.SubsetKeepFeatures) | ||
| { | ||
| HBApis.hb_set_add(features, HBApis.hb_tag_from_string((sbyte*)Marshal.StringToHGlobalAnsi(feature), -1)); | ||
| } | ||
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| Methods.RenameFontname(input, | ||
| (sbyte*)Marshal.StringToHGlobalAnsi($"Processed by AssFontSubset v{System.Reflection.Assembly.GetEntryAssembly()!.GetName().Version}; harfbuzz-subset {hbssVersion}"), | ||
| (sbyte*)Marshal.StringToHGlobalAnsi(ssf.RandomNewName), | ||
| modifyIds); | ||
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| var faceNewPtr = SubsetApis.hb_subset_or_fail(facePtr, input); | ||
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| var blobPtr = HBApis.hb_face_reference_blob(faceNewPtr); | ||
| Methods.WriteFontFile(blobPtr, outputFileName); | ||
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| sw.Stop(); | ||
| timer += sw.ElapsedMilliseconds; | ||
| sw.Reset(); | ||
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| SubsetApis.hb_subset_input_destroy(input); | ||
| HBApis.hb_face_destroy(faceNewPtr); | ||
| HBApis.hb_face_destroy(facePtr); | ||
| } | ||
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| private static OpenTypeNameId[] GetModifyNameIds(string fontFileName, uint index) | ||
| { | ||
| List<OpenTypeNameId> ids = []; | ||
| var otf = new OTFile(); | ||
| otf.open(fontFileName); | ||
| var font = otf.GetFont(index); | ||
| var nameTable = (Table_name)font!.GetTable("name")!; | ||
| for (uint i = 0; i < nameTable.NumberNameRecords; i++) | ||
| { | ||
| var nameRecord = nameTable.GetNameRecord(i); | ||
| if (nameRecord!.NameID is 0 or 1 or 3 or 4 or 6) | ||
| { | ||
| ids.Add(new OpenTypeNameId | ||
| { | ||
| NameId = nameRecord.NameID, | ||
| PlatformId = nameRecord.PlatformID, | ||
| LanguageId = nameRecord.LanguageID, | ||
| EncodingId = nameRecord.EncodingID, | ||
| }); | ||
| } | ||
| } | ||
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| return ids.ToArray(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| namespace AssFontSubset.Core; | ||
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| public struct SubsetConfig | ||
| { | ||
| public bool SourceHanEllipsis; | ||
| public bool DebugMode; | ||
| public SubsetBackend Backend; | ||
| } | ||
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| public enum SubsetBackend | ||
| { | ||
| PyFontTools = 1, | ||
| HarfBuzzSubset = 2, | ||
| } |
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