refactor: split reader architecture and chrome handling

2026-05-31 21:47:54 +08:00
parent ea21c6a831
commit 44202357c0
80 changed files with 10635 additions and 8522 deletions
@@ -0,0 +1,41 @@
+import UIKit
+
+#if canImport(DTCoreText)
+import DTCoreText
+
+/// 基于 DTCoreText 的 Core Text 直接绘制视图
+/// 将 DTCoreText 的排版结果直接绘制到 UIView 上，跳过 UITextView 的间接渲染。
+final class RDEPUBTextPageRenderView: UIView {
+    var layoutFrame: DTCoreTextLayoutFrame? {
+        didSet {
+            setNeedsDisplay()
+        }
+    }
+
+    var drawOptions: DTCoreTextLayoutFrameDrawingOptions = DTCoreTextLayoutFrameDrawingOptions(rawValue: 1)! {
+        didSet {
+            setNeedsDisplay()
+        }
+    }
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        backgroundColor = .clear
+        isOpaque = false
+        contentMode = .redraw
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func draw(_ rect: CGRect) {
+        guard let context = UIGraphicsGetCurrentContext(),
+              let layoutFrame else { return }
+
+        context.saveGState()
+        layoutFrame.draw(in: context, options: drawOptions)
+        context.restoreGState()
+    }
+}
+#endif