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 +1,85 @@
+import UIKit
+
+public struct RDEPUBPreferences: Equatable {
+    public var fontSize: CGFloat
+    public var lineHeightMultiple: CGFloat
+    public var reflowableContentInsets: UIEdgeInsets
+    public var fixedContentInset: UIEdgeInsets
+    public var themeBackgroundColor: String?
+    public var themeTextColor: String?
+    public var fixedBackgroundColor: String?
+    public var fixedLayoutFit: RDEPUBFixedLayoutFit
+    public var fixedLayoutSpreadMode: RDEPUBFixedLayoutSpreadMode
+
+    public init(
+        fontSize: CGFloat,
+        lineHeightMultiple: CGFloat,
+        reflowableContentInsets: UIEdgeInsets,
+        fixedContentInset: UIEdgeInsets,
+        themeBackgroundColor: String? = nil,
+        themeTextColor: String? = nil,
+        fixedBackgroundColor: String? = nil,
+        fixedLayoutFit: RDEPUBFixedLayoutFit = .page,
+        fixedLayoutSpreadMode: RDEPUBFixedLayoutSpreadMode = .automatic
+    ) {
+        self.fontSize = fontSize
+        self.lineHeightMultiple = lineHeightMultiple
+        self.reflowableContentInsets = reflowableContentInsets
+        self.fixedContentInset = fixedContentInset
+        self.themeBackgroundColor = themeBackgroundColor
+        self.themeTextColor = themeTextColor
+        self.fixedBackgroundColor = fixedBackgroundColor
+        self.fixedLayoutFit = fixedLayoutFit
+        self.fixedLayoutSpreadMode = fixedLayoutSpreadMode
+    }
+
+    public func presentationStyle(viewportSize: CGSize) -> RDEPUBPresentationStyle {
+        RDEPUBPresentationStyle(
+            viewportSize: viewportSize,
+            contentInsets: reflowableContentInsets,
+            fontSize: fontSize,
+            lineHeightMultiple: lineHeightMultiple,
+            themeBackgroundColor: themeBackgroundColor,
+            themeTextColor: themeTextColor
+        )
+    }
+
+    public func renderRequest(
+        for page: EPUBPage,
+        publication: RDEPUBPublication,
+        viewportSize: CGSize,
+        targetLocation: RDEPUBLocation? = nil,
+        highlights: [RDEPUBHighlight] = [],
+        searchPresentation: RDEPUBSearchPresentation? = nil
+    ) -> RDEPUBRenderRequest? {
+        if publication.layout == .fixed, let fixedSpread = page.fixedSpread {
+            return .fixed(
+                RDEPUBFixedRenderRequest(
+                    spread: fixedSpread,
+                    viewportSize: viewportSize,
+                    contentInset: fixedContentInset,
+                    backgroundColorCSS: fixedBackgroundColor,
+                    fit: fixedLayoutFit,
+                    searchPresentation: searchPresentation
+                )
+            )
+        }
+
+        guard publication.spine.indices.contains(page.spineIndex) else {
+            return nil
+        }
+
+        return .reflowable(
+            RDEPUBReflowableRenderRequest(
+                spineIndex: page.spineIndex,
+                href: publication.spine[page.spineIndex].href,
+                pageIndex: page.pageIndexInChapter,
+                totalPagesInChapter: page.totalPagesInChapter,
+                presentation: presentationStyle(viewportSize: viewportSize),
+                targetLocation: targetLocation,
+                highlights: highlights,
+                searchPresentation: searchPresentation
+            )
+        )
+    }
+}