feat: 添加文字底部对齐开关

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

@@ -44,6 +44,7 @@ object PreferKey {
     const val systemTypefaces = "system_typefaces"
     const val readBodyToLh = "readBodyToLh"
     const val textFullJustify = "textFullJustify"
+    const val textBottomJustify = "textBottomJustify"
     const val autoReadSpeed = "autoReadSpeed"
     const val barElevation = "barElevation"
     const val transparentStatusBar = "transparentStatusBar"

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

@@ -144,6 +144,7 @@ object ReadBookConfig {
     var isScroll = pageAnim == 3
     val clickTurnPage get() = App.INSTANCE.getPrefBoolean(PreferKey.clickTurnPage, true)
     val textFullJustify get() = App.INSTANCE.getPrefBoolean(PreferKey.textFullJustify, true)
+    val textBottomJustify get() = App.INSTANCE.getPrefBoolean(PreferKey.textBottomJustify, true)
     var bodyIndentCount = App.INSTANCE.getPrefInt(PreferKey.bodyIndent, 2)
         set(value) {
             field = value

app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt

@@ -111,7 +111,8 @@ class MoreConfigDialog : DialogFragment() {
                         Help.setOrientation(it)
                     }
                 }
-                PreferKey.textFullJustify -> {
+                PreferKey.textFullJustify,
+                PreferKey.textBottomJustify -> {
                     postEvent(EventBus.UP_CONFIG, true)
                 }
             }

app/src/main/java/io/legado/app/ui/book/read/page/entities/TextPage.kt

@@ -4,6 +4,7 @@ import android.text.Layout
 import android.text.StaticLayout
 import io.legado.app.App
 import io.legado.app.R
+import io.legado.app.help.ReadBookConfig
 import io.legado.app.ui.book.read.page.ChapterProvider
 import java.text.DecimalFormat
 
@@ -19,6 +20,7 @@ data class TextPage(
 ) {
 
     fun upLinesPosition() = ChapterProvider.apply {
+        if (!ReadBookConfig.textBottomJustify) return@apply
         if (textLines.size <= 1) return@apply
         if (visibleHeight - height >= with(textLines.last()) { lineBottom - lineTop }) return@apply
         val surplus = (visibleBottom - textLines.last().lineBottom)

app/src/main/res/values-zh-rHK/strings.xml

@@ -705,4 +705,5 @@
     <string name="import_old_summary">選擇舊版備份文件夾</string>
     <string name="enabled">已啓用</string>
     <string name="disabled">已禁用</string>
+    <string name="text_bottom_justify">文字底部對齊</string>
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -705,5 +705,6 @@
     <string name="import_old_summary">選擇舊版備份文件夾</string>
     <string name="enabled">已啓用</string>
     <string name="disabled">已禁用</string>
+    <string name="text_bottom_justify">文字底部對齊</string>
 
 </resources>

app/src/main/res/values/strings.xml

@@ -698,6 +698,7 @@
     <string name="night_navbar_color">夜间，底栏色</string>
     <string name="auto_change_source">自动换源</string>
     <string name="text_full_justify">文字两端对齐</string>
+    <string name="text_bottom_justify">文字底部对齐</string>
     <string name="auto_page_speed">自动翻页速度</string>
     <string name="sort_by_url">地址排序</string>
     <string name="backup_summary">本地和WebDav一起备份</string>

app/src/main/res/xml/pref_config_read.xml

@@ -42,6 +42,12 @@
         android:key="textFullJustify"
         app:iconSpaceReserved="false" />
 
+    <io.legado.app.ui.widget.prefs.SwitchPreference
+        android:defaultValue="true"
+        android:title="@string/text_bottom_justify"
+        android:key="textBottomJustify"
+        app:iconSpaceReserved="false" />
+
     <io.legado.app.ui.widget.prefs.SwitchPreference
         android:defaultValue="true"
         android:title="@string/volume_key_page"