标题单独绘制

app/src/main/java/io/legado/app/help/ContentProcessor.kt

@@ -60,6 +60,7 @@ class ContentProcessor private constructor(
         return titleReplaceRules
     }
 
+    @Suppress("MemberVisibilityCanBePrivate")
     fun getContentReplaceRules(): List<ReplaceRule> {
         return contentReplaceRules
     }

app/src/main/java/io/legado/app/model/ReadBook.kt

@@ -355,7 +355,8 @@ object ReadBook : CoroutineScope by MainScope() {
                     contentProcessor.getTitleReplaceRules(),
                     book.getUseReplaceRule()
                 )
-                val contents = contentProcessor.getContent(book, chapter, content)
+                val contents = contentProcessor
+                    .getContent(book, chapter, content, includeTitle = false)
                 val textChapter = ChapterProvider
                     .getTextChapter(book, chapter, displayTitle, contents, chapterSize)
                 when (val offset = chapter.index - durChapterIndex) {

app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt

@@ -113,11 +113,20 @@ object ChapterProvider {
         var absStartX = paddingLeft
         var durY = 0f
         textPages.add(TextPage())
-        contents.forEachIndexed { index, content ->
-            val isTitle = index == 0
-            val isTitleWithNoContent = isTitle && contents.size == 1
-            val isVolumeTitle = isTitle && bookChapter.isVolume
-            val textPaint = if (isTitle) titlePaint else contentPaint
+        if (ReadBookConfig.titleMode != 2) {
+            displayTitle.splitNotBlank("\n").forEach { text ->
+                setTypeText(
+                    absStartX, durY, text, textPages, stringBuilder, titlePaint,
+                    isTitle = true,
+                    isTitleWithNoContent = contents.isEmpty(),
+                    isVolumeTitle = bookChapter.isVolume
+                ).let {
+                    absStartX = it.first
+                    durY = it.second
+                }
+            }
+        }
+        contents.forEach { content ->
             if (book.getImageStyle() == Book.imgStyleText) {
                 var text = content.replace(srcReplaceChar, "▣")
                 val srcList = LinkedList<String>()
@@ -132,31 +141,26 @@ object ChapterProvider {
                 }
                 matcher.appendTail(sb)
                 text = sb.toString()
-                if (!(isTitle && ReadBookConfig.titleMode == 2)) {
                 setTypeText(
-                        absStartX, durY, text, textPages, stringBuilder,
-                        isTitle, isTitleWithNoContent, isVolumeTitle, textPaint, srcList
+                    absStartX, durY, text, textPages, stringBuilder, contentPaint,
+                    srcList = srcList
                 ).let {
                     absStartX = it.first
                     durY = it.second
                 }
-                }
-            } else if (book.getImageStyle() != Book.imgStyleText) {
+            } else {
                 val matcher = AppPattern.imgPattern.matcher(content)
                 var start = 0
                 while (matcher.find()) {
                     val text = content.substring(start, matcher.start())
                     if (text.isNotBlank()) {
-                        if (!(isTitle && ReadBookConfig.titleMode == 2)) {
                         setTypeText(
-                                absStartX, durY, text, textPages, stringBuilder,
-                                isTitle, isTitleWithNoContent, isVolumeTitle, textPaint
+                            absStartX, durY, text, textPages, stringBuilder, contentPaint
                         ).let {
                             absStartX = it.first
                             durY = it.second
                         }
                     }
-                    }
                     durY = setTypeImage(
                         book, bookChapter, matcher.group(1)!!,
                         durY, textPages, book.getImageStyle()
@@ -166,10 +170,8 @@ object ChapterProvider {
                 if (start < content.length) {
                     val text = content.substring(start, content.length)
                     if (text.isNotBlank()) {
-                        if (!(isTitle && ReadBookConfig.titleMode == 2)) {
                         setTypeText(
-                                absStartX, durY, text, textPages, stringBuilder,
-                                isTitle, isTitleWithNoContent, isVolumeTitle, textPaint
+                            absStartX, durY, text, textPages, stringBuilder, contentPaint
                         ).let {
                             absStartX = it.first
                             durY = it.second
@@ -178,7 +180,6 @@ object ChapterProvider {
                 }
             }
         }
-        }
         textPages.last().height = durY + 20.dp
         textPages.last().text = stringBuilder.toString()
         textPages.forEachIndexed { index, item ->
@@ -271,10 +272,10 @@ object ChapterProvider {
         text: String,
         textPages: ArrayList<TextPage>,
         stringBuilder: StringBuilder,
-        isTitle: Boolean,
-        isTitleWithNoContent: Boolean,
-        isVolumeTitle: Boolean,
         textPaint: TextPaint,
+        isTitle: Boolean = false,
+        isTitleWithNoContent: Boolean = false,
+        isVolumeTitle: Boolean = false,
         srcList: LinkedList<String>? = null
     ): Pair<Int, Float> {
         var absStartX = x
@@ -332,7 +333,8 @@ object ChapterProvider {
                     textLine.text = "$words\n"
                     isLastLine = true
                     //标题x轴居中
-                    val startX = if (isTitle && ReadBookConfig.titleMode == 1 || isTitleWithNoContent || isVolumeTitle)
+                    val startX =
+                        if (isTitle && ReadBookConfig.titleMode == 1 || isTitleWithNoContent || isVolumeTitle)
                             (visibleWidth - layout.getLineWidth(lineIndex)) / 2
                         else 0f
                     addCharsToLineLast(