Epub阅读器0.0.1

2026-05-21 19:40:51 +08:00
commit daa36d8fe7
559 changed files with 106266 additions and 0 deletions
@@ -0,0 +1,45 @@
+import UIKit
+
+public struct RDEPUBNavigatorLayoutContext: Equatable {
+    public var containerSize: CGSize
+    public var pagesPerScreen: Int
+    public var safeAreaInsets: UIEdgeInsets
+    public var userInterfaceIdiom: UIUserInterfaceIdiom
+    public var reflowableContentInsets: UIEdgeInsets
+
+    public init(
+        containerSize: CGSize,
+        pagesPerScreen: Int = 1,
+        safeAreaInsets: UIEdgeInsets = .zero,
+        userInterfaceIdiom: UIUserInterfaceIdiom = .phone,
+        reflowableContentInsets: UIEdgeInsets = UIEdgeInsets(top: 40, left: 16, bottom: 40, right: 16)
+    ) {
+        self.containerSize = containerSize
+        self.pagesPerScreen = max(1, pagesPerScreen)
+        self.safeAreaInsets = safeAreaInsets
+        self.userInterfaceIdiom = userInterfaceIdiom
+        self.reflowableContentInsets = reflowableContentInsets
+    }
+
+    public var viewportSize: CGSize {
+        let width: CGFloat
+        if pagesPerScreen > 1 {
+            width = containerSize.width / CGFloat(pagesPerScreen)
+        } else {
+            width = containerSize.width
+        }
+        return CGSize(width: width, height: containerSize.height)
+    }
+
+    public var fixedContentInset: UIEdgeInsets {
+        var insets = safeAreaInsets
+        if userInterfaceIdiom != .phone {
+            insets = .zero
+        }
+
+        let horizontalInsets = max(insets.left, insets.right)
+        insets.left = horizontalInsets
+        insets.right = horizontalInsets
+        return insets
+    }
+}