vendor: import KillerPDF 1.7.5 source (GPL-3.0) as the base for MMD PDF

2026-08-27 06:58:22 +02:00
commit 532485a830
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+namespace KillerPDF.Services
+{
+    // ============================================================
+    // OCR catalog - pure data, no IO, no App, no bootstrap.
+    // ============================================================
+    //
+    // Split out of OcrLanguages.cs so the test project can link THIS file alone. KillerPDF.Tests
+    // compiles individual sources rather than referencing the app assembly, and OcrLanguages
+    // reaches App.GetSetting, OcrNativeBootstrap and HttpClient - none of which a data check needs.
+    //
+    // THE RULE THIS FILE ENCODES: OCR languages track interface languages. If KillerPDF ships a UI
+    // in a language, it ships an OCR model for that language. There is no interface language whose
+    // text the app cannot read.
+    //
+    // It drifted once already, because nothing checked: the UI shipped hu-HU while the catalog
+    // stayed at eleven entries, and killerpdf.net kept claiming OCR covered ten languages and that
+    // Polish and Hungarian did not need models. OcrCatalogTests now reads Strings\*.xaml and fails
+    // the build if these lists and that folder disagree, and release.ps1 runs the suite.
+    internal static class OcrCatalog
+    {
+        // Tesseract code -> display name. English is NOT bundled; every model downloads on demand
+        // into OcrNativeBootstrap.TessDataDir. Order mirrors the language picker (English first,
+        // then the LangGroup radios in MainWindow.xaml).
+        internal static readonly (string Code, string Name)[] Languages =
+        [
+            ("eng", "English"),
+            ("ben", "Bengali"),
+            ("ces", "Czech"),
+            ("deu", "German"),
+            ("spa", "Spanish"),
+            ("fra", "French"),
+            ("hun", "Hungarian"),
+            ("jpn", "Japanese"),
+            ("pol", "Polish"),
+            ("tur", "Turkish"),
+            ("chi_sim", "Chinese (Simplified)"),
+            ("chi_tra", "Chinese (Traditional)"),
+        ];
+
+        // The Strings\*.xaml locale each model backs. Kept beside the catalog so the two are always
+        // edited together; the test asserts this covers exactly the locales that ship.
+        internal static readonly (string Locale, string Code)[] LocaleToCode =
+        [
+            ("en-US", "eng"),
+            ("bn", "ben"),
+            ("cs-CZ", "ces"),
+            ("de-DE", "deu"),
+            ("es", "spa"),
+            ("fr-FR", "fra"),
+            ("hu-HU", "hun"),
+            ("ja-JP", "jpn"),
+            ("pl-PL", "pol"),
+            ("tr-TR", "tur"),
+            ("zh-CN", "chi_sim"),
+            ("zh-TW", "chi_tra"),
+        ];
+    }
+}