feat(book/cache): add export picture option

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -55,6 +55,7 @@ object PreferKey {
     const val exportToWebDav = "webDavCacheBackup"
     const val exportNoChapterName = "exportNoChapterName"
     const val exportType = "exportType"
+    const val exportPictureFile = "exportPictureFile"
     const val changeSourceCheckAuthor = "changeSourceCheckAuthor"
     const val changeSourceLoadToc = "changeSourceLoadToc"
     const val changeSourceLoadInfo = "changeSourceLoadInfo"

app/src/main/java/io/legado/app/help/config/AppConfig.kt

@@ -243,6 +243,11 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
         set(value) {
             appCtx.putPrefInt(PreferKey.exportType, value)
         }
+    var exportPictureFile: Boolean
+        get() = appCtx.getPrefBoolean(PreferKey.exportPictureFile, false)
+        set(value) {
+            appCtx.putPrefBoolean(PreferKey.exportPictureFile, value)
+        }
 
     var changeSourceCheckAuthor: Boolean
         get() = appCtx.getPrefBoolean(PreferKey.changeSourceCheckAuthor)

app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt

@@ -93,6 +93,7 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
         menu.findItem(R.id.menu_enable_replace)?.isChecked = AppConfig.exportUseReplace
         menu.findItem(R.id.menu_export_no_chapter_name)?.isChecked = AppConfig.exportNoChapterName
         menu.findItem(R.id.menu_export_web_dav)?.isChecked = AppConfig.exportToWebDav
+        menu.findItem(R.id.menu_export_pics_file)?.isChecked = AppConfig.exportPictureFile
         menu.findItem(R.id.menu_export_type)?.title =
             "${getString(R.string.export_type)}(${getTypeName()})"
         menu.findItem(R.id.menu_export_charset)?.title =
@@ -129,6 +130,7 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
             R.id.menu_enable_replace -> AppConfig.exportUseReplace = !item.isChecked
             R.id.menu_export_no_chapter_name -> AppConfig.exportNoChapterName = !item.isChecked
             R.id.menu_export_web_dav -> AppConfig.exportToWebDav = !item.isChecked
+            R.id.menu_export_pics_file -> AppConfig.exportPictureFile = !item.isChecked
             R.id.menu_export_folder -> {
                 selectExportFolder(-1)
             }

app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt

@@ -168,17 +168,22 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
                         chineseConvert = false,
                         reSegment = false
                     ).joinToString("\n")
-                val srcList = arrayListOf<Triple<String, Int, String>>()
-                content?.split("\n")?.forEachIndexed { index, text ->
-                    val matcher = AppPattern.imgPattern.matcher(text)
-                    while (matcher.find()) {
-                        matcher.group(1)?.let {
-                            val src = NetworkUtils.getAbsoluteURL(chapter.url, it)
-                            srcList.add(Triple(chapter.title, index, src))
+                if (AppConfig.exportPictureFile) {
+                    //txt导出图片文件
+                    val srcList = arrayListOf<Triple<String, Int, String>>()
+                    content?.split("\n")?.forEachIndexed { index, text ->
+                        val matcher = AppPattern.imgPattern.matcher(text)
+                        while (matcher.find()) {
+                            matcher.group(1)?.let {
+                                val src = NetworkUtils.getAbsoluteURL(chapter.url, it)
+                                srcList.add(Triple(chapter.title, index, src))
+                            }
                         }
                     }
+                    append.invoke("\n\n$content1", srcList)
+                } else {
+                    append.invoke("\n\n$content1", null)
                 }
-                append.invoke("\n\n$content1", srcList)
             }
         }
     }