修改分页问题

Sources/RDReaderView/EPUBTextRendering/RDEPUBTextRendererSupport.swift

@@ -197,7 +197,9 @@ enum RDEPUBTextRendererSupport {
         baseURL: URL?,
         style: RDEPUBTextRenderStyle,
         resourceResolver: RDEPUBResourceResolver?,
-        contentLanguageCode: String? = nil
+        contentLanguageCode: String? = nil,
+        pageSize: CGSize? = nil,
+        layoutConfig: RDEPUBTextLayoutConfig? = nil
     ) -> RDEPUBTextChapterRenderRequest {
         let normalizedHTML = injectPaginationSemanticMarkers(into: normalizeHTML(rawHTML))
         let stylesheetHrefReplacements = inlineLinkedStyleSheets(
@@ -255,7 +257,12 @@ enum RDEPUBTextRendererSupport {
             stylesheet: RDEPUBTextStyleSheetPackage(layers: layers),
             resourceDiagnostics: resourceDiagnostics
         )
-        return RDEPUBTextChapterRenderRequest(context: context, style: style)
+        return RDEPUBTextChapterRenderRequest(
+            context: context,
+            style: style,
+            pageSize: pageSize,
+            layoutConfig: layoutConfig
+        )
     }
 
     /// HTML 规范化：清理冗余字符（CR、多余换行），规范化附件 HTML 标记
@@ -285,15 +292,20 @@ enum RDEPUBTextRendererSupport {
 #if canImport(DTCoreText)
     static func prepareHTMLElementForReaderRendering(
         _ element: DTHTMLElement,
-        style: RDEPUBTextRenderStyle
+        style: RDEPUBTextRenderStyle,
+        maxImageSize: CGSize? = nil
     ) {
         guard let attachment = element.textAttachment else { return }
         let pointSize = max(element.fontDescriptor.pointSize, style.font.pointSize)
-        let maxSize = CGSize(
+        let fallbackSize = CGSize(
             width: round(UIScreen.main.bounds.insetBy(dx: 20, dy: 28).width),
             height: round(UIScreen.main.bounds.insetBy(dx: 20, dy: 28).height * 0.85)
         )
-        normalizeAttachmentLayoutForWXRead(attachment, fontPointSize: pointSize, maxImageSize: maxSize)
+        normalizeAttachmentLayoutForWXRead(
+            attachment,
+            fontPointSize: pointSize,
+            maxImageSize: maxImageSize ?? fallbackSize
+        )
         if isFootnoteAttachment(attachment) {
             element.displayStyle = .inline
         } else if isCoverAttachment(attachment) {
@@ -390,6 +402,38 @@ enum RDEPUBTextRendererSupport {
     private static func normalizeAttachmentHTMLMarkers(in html: String) -> String {
         var normalized = html
 
+        if let bodyPicContainerRegex = try? NSRegularExpression(
+            pattern: #"<div\b([^>]*class\s*=\s*["'][^"']*\b(?:qrbodyPic|bodyPic)\b[^"']*["'][^>]*)>([\s\S]*?)</div>"#,
+            options: [.caseInsensitive]
+        ) {
+            normalized = replaceMatches(
+                using: bodyPicContainerRegex,
+                in: normalized
+            ) { tag in
+                guard let imageTagRegex = try? NSRegularExpression(pattern: #"<img\b[^>]*>"#, options: [.caseInsensitive]) else {
+                    return tag
+                }
+
+                return replaceMatches(
+                    using: imageTagRegex,
+                    in: tag
+                ) { imageTag in
+                    mergeHTMLAttributes(
+                        into: imageTag,
+                        requiredClass: "bodyPic",
+                        styleFragments: [
+                            "wr-vertical-center-style:2",
+                            "max-width:100%",
+                            "height:auto",
+                            "display:block",
+                            "margin-left:auto",
+                            "margin-right:auto"
+                        ]
+                    )
+                }
+            }
+        }
+
         if let footnoteRegex = try? NSRegularExpression(
             pattern: #"<img\b([^>]*class\s*=\s*["'][^"']*\bqqreader-footnote\b[^"']*["'][^>]*)>"#,
             options: [.caseInsensitive]