Added custom chinese font (#1057)

* Added custom chinese font

* Fix fonts folder copying

* Add clear PSPDFKit cache guard to do so when incremented

---------

Co-authored-by: Miltiadis Vasilakis <[email protected]>

Author: michalrentka

Zotero.xcodeproj/project.pbxproj

@@ -39,6 +39,7 @@
 		618404262A4456A9005AAF22 /* IdentifierLookupController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 618404252A4456A9005AAF22 /* IdentifierLookupController.swift */; };
 		618D83E72BAAC88C00E7966B /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 618D83E62BAAC88C00E7966B /* PrivacyInfo.xcprivacy */; };
 		618D83E82BAAC88C00E7966B /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 618D83E62BAAC88C00E7966B /* PrivacyInfo.xcprivacy */; };
+		61975C422D38E6E8005BB41A /* fonts in Resources */ = {isa = PBXBuildFile; fileRef = 61975C412D38E6E8005BB41A /* fonts */; };
 		61A0C8472B8F669C0048FF92 /* PSPDFKitUI+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61A0C8462B8F669B0048FF92 /* PSPDFKitUI+Extensions.swift */; };
 		61ABA7512A6137D1002A4219 /* ShareableImage.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61ABA7502A6137D1002A4219 /* ShareableImage.swift */; };
 		61BD13952A5831EF008A0704 /* TextKit1TextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61BD13942A5831EF008A0704 /* TextKit1TextView.swift */; };
@@ -1307,6 +1308,7 @@
 		61639F842AE03B8500026003 /* InstantPresenter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InstantPresenter.swift; sourceTree = "<group>"; };
 		618404252A4456A9005AAF22 /* IdentifierLookupController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IdentifierLookupController.swift; sourceTree = "<group>"; };
 		618D83E62BAAC88C00E7966B /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; lastKnownFileType = text.xml; path = PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
+		61975C412D38E6E8005BB41A /* fonts */ = {isa = PBXFileReference; lastKnownFileType = folder; path = fonts; sourceTree = "<group>"; };
 		61A0C8462B8F669B0048FF92 /* PSPDFKitUI+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "PSPDFKitUI+Extensions.swift"; sourceTree = "<group>"; };
 		61ABA7502A6137D1002A4219 /* ShareableImage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareableImage.swift; sourceTree = "<group>"; };
 		61BD13942A5831EF008A0704 /* TextKit1TextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TextKit1TextView.swift; sourceTree = "<group>"; };
@@ -2843,6 +2845,7 @@
 			isa = PBXGroup;
 			children = (
 				B3F6415E2A28B1EF00A78CB0 /* ci_scripts */,
+				61975C412D38E6E8005BB41A /* fonts */,
 				B30BA8C3255D415600361D25 /* Bundled */,
 				B32A495A2A44730C00080945 /* licenses */,
 				B30D59572206F60400884C4A /* Zotero */,
@@ -4511,6 +4514,7 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				61975C422D38E6E8005BB41A /* fonts in Resources */,
 				B3593F33241A61C700760E20 /* ItemDetailNoteContentView.xib in Resources */,
 				618D83E72BAAC88C00E7966B /* PrivacyInfo.xcprivacy in Resources */,
 				B32A273D254841B80081E061 /* CreatorEditViewController.xib in Resources */,

Zotero/AppDelegate.swift

@@ -210,7 +210,15 @@ extension AppDelegate: SceneActivityCounter {
 extension AppDelegate: UIApplicationDelegate {
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         if let key = Licenses.shared.pspdfkitKey {
-            PSPDFKit.SDK.setLicenseKey(key)
+            let additionalFontDirectory = Bundle.main.bundleURL.appendingPathComponent("fonts", isDirectory: true).path
+            let options: [SDK.Setting: Any] = [.additionalFontDirectories: [additionalFontDirectory]]
+            PSPDFKit.SDK.setLicenseKey(key, options: options)
+        }
+        DDLogInfo("AppDelegate: clearPSPDFKitCacheGuard: \(Defaults.shared.clearPSPDFKitCacheGuard); currentClearPSPDFKitCacheGuard: \(Defaults.currentClearPSPDFKitCacheGuard)")
+        if Defaults.shared.clearPSPDFKitCacheGuard < Defaults.currentClearPSPDFKitCacheGuard {
+            PSPDFKit.SDK.shared.cache.clear()
+            DDLogInfo("AppDelegate: did clear PSPDFKit cache")
+            Defaults.shared.clearPSPDFKitCacheGuard = Defaults.currentClearPSPDFKitCacheGuard
         }
         PSPDFKit.SDK.shared.styleManager.setLastUsedValue(AnnotationsConfig.imageAnnotationLineWidth,
                                                           forProperty: "lineWidth",

Zotero/Models/Defaults.swift

@@ -175,6 +175,11 @@ final class Defaults {
     @UserDefault(key: "DidPerformFullSyncFix", defaultValue: true)
     var didPerformFullSyncFix: Bool
 
+    // Increment currentClearPSPDFKitCacheGuard by 1, whenever the upcoming release should clear the PSPDFKit cache.
+    static let currentClearPSPDFKitCacheGuard = 1
+    @UserDefault(key: "ClearPSPDFKitCacheGuard", defaultValue: currentClearPSPDFKitCacheGuard - 1)
+    var clearPSPDFKitCacheGuard: Int
+
     // MARK: - Actions
 
     func reset() {