Merge pull request #1209 from 1552980358/master

Add support customize background image blurring

app/build.gradle

@@ -213,6 +213,9 @@ dependencies {
     implementation("io.noties.markwon:ext-tables:$markwonVersion")
     implementation("io.noties.markwon:html:$markwonVersion")
 
+    // 谷歌RenderScript库
+    implementation('com.github.android:renderscript-intrinsics-replacement-toolkit:b6363490c3')
+
     //转换繁体
     implementation('com.github.liuyueyi.quick-chinese-transfer:quick-transfer-core:0.2.1')
 

app/src/main/java/io/legado/app/base/BaseActivity.kt

@@ -2,6 +2,8 @@ package io.legado.app.base
 
 import android.content.Context
 import android.content.res.Configuration
+import android.graphics.Bitmap
+import android.graphics.drawable.BitmapDrawable
 import android.os.Build
 import android.os.Bundle
 import android.util.AttributeSet
@@ -10,11 +12,15 @@ import android.view.MenuItem
 import android.view.View
 import android.widget.FrameLayout
 import androidx.appcompat.app.AppCompatActivity
+import androidx.preference.PreferenceManager
 import androidx.viewbinding.ViewBinding
+import com.google.android.renderscript.Toolkit
 import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.constant.AppConst
 import io.legado.app.constant.PreferKey
+import io.legado.app.constant.PreferKey.bgImageBlurring
+import io.legado.app.constant.PreferKey.bgImageNBlurring
 import io.legado.app.constant.Theme
 import io.legado.app.help.AppConfig
 import io.legado.app.help.ThemeConfig
@@ -174,9 +180,7 @@ abstract class BaseActivity<VB : ViewBinding>(
         }
         if (imageBg) {
             try {
-                ThemeConfig.getBgImage(this)?.let {
+                window.decorView.background = BitmapDrawable(resources, getBackgroundImage(ThemeConfig.getBgImage(this) ?: return))
-                    window.decorView.background = it
-                }
             } catch (e: OutOfMemoryError) {
                 toastOnUi(e.localizedMessage)
             } catch (e: Exception) {
@@ -185,6 +189,22 @@ abstract class BaseActivity<VB : ViewBinding>(
         }
     }
 
+    private fun getBackgroundImage(bitmap: Bitmap): Bitmap {
+        when (Theme.getTheme()) {
+            Theme.Light -> PreferenceManager.getDefaultSharedPreferences(this).getInt(bgImageBlurring, 0).apply {
+                if (this != 0) {
+                    return Toolkit.blur(bitmap, this)
+                }
+            }
+            Theme.Dark -> PreferenceManager.getDefaultSharedPreferences(this).getInt(bgImageNBlurring, 0).apply {
+                if (this != 0) {
+                    return Toolkit.blur(bitmap, this)
+                }
+            }
+        }
+        return bitmap
+    }
+
     private fun setupSystemBar() {
         if (fullScreen && !isInMultiWindow) {
             ATH.fullScreen(this)

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

@@ -91,11 +91,13 @@ object PreferKey {
     const val cBackground = "colorBackground"
     const val cBBackground = "colorBottomBackground"
     const val bgImage = "backgroundImage"
+    const val bgImageBlurring = "backgroundImageBlurring"
 
     const val cNPrimary = "colorPrimaryNight"
     const val cNAccent = "colorAccentNight"
     const val cNBackground = "colorBackgroundNight"
     const val cNBBackground = "colorBottomBackgroundNight"
     const val bgImageN = "backgroundImageNight"
+    const val bgImageNBlurring = "backgroundImageNightBlurring"
 
 }

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

@@ -1,9 +1,9 @@
 package io.legado.app.help
 
 import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
 import android.graphics.Color
-import android.graphics.drawable.BitmapDrawable
-import android.graphics.drawable.Drawable
 import androidx.annotation.Keep
 import androidx.appcompat.app.AppCompatDelegate
 import io.legado.app.R
@@ -43,14 +43,14 @@ object ThemeConfig {
         AppCompatDelegate.setDefaultNightMode(targetMode)
     }
 
-    fun getBgImage(context: Context): Drawable? {
+    fun getBgImage(context: Context): Bitmap? {
         val bgPath = when (Theme.getTheme()) {
             Theme.Light -> context.getPrefString(PreferKey.bgImage)
             Theme.Dark -> context.getPrefString(PreferKey.bgImageN)
             else -> null
         }
         if (bgPath.isNullOrBlank()) return null
-        return BitmapDrawable.createFromPath(bgPath)
+        return BitmapFactory.decodeFile(bgPath)
     }
 
     fun upConfig() {

app/src/main/java/io/legado/app/ui/config/ImageBlurringDialogFragment.kt

@@ -0,0 +1,53 @@
+package io.legado.app.ui.config
+
+import android.app.Dialog
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.widget.SeekBar
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.FragmentManager
+import androidx.preference.PreferenceManager
+import io.legado.app.R
+import io.legado.app.databinding.FragmentImageBlurringDialogBinding
+
+class ImageBlurringDialogFragment(private val prefName: String, private val block: () -> Unit): DialogFragment() {
+
+    companion object {
+        private const val DEFAULT_VALUE = 0
+        private const val TAG = "ImageBlurringDialogFragment"
+    }
+
+    private val requireContext get() = requireContext()
+    private var _fragmentImageBlurringDialogBinding: FragmentImageBlurringDialogBinding? = null
+    private val fragmentImageBlurringDialog get() = _fragmentImageBlurringDialogBinding!!
+    private lateinit var sharedPreference: SharedPreferences
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        _fragmentImageBlurringDialogBinding = FragmentImageBlurringDialogBinding.inflate(layoutInflater)
+        sharedPreference = PreferenceManager.getDefaultSharedPreferences(requireContext)
+        sharedPreference.getInt(prefName, DEFAULT_VALUE).apply {
+            fragmentImageBlurringDialog.seekBar.progress = this
+            fragmentImageBlurringDialog.textViewValue.text = this.toString()
+        }
+        fragmentImageBlurringDialog.seekBar.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) {
+                fragmentImageBlurringDialog.textViewValue.text = progress.toString()
+            }
+            override fun onStartTrackingTouch(seekBar: SeekBar?) = Unit
+            override fun onStopTrackingTouch(seekBar: SeekBar?) = Unit
+        })
+        return AlertDialog.Builder(requireContext)
+            .setTitle(R.string.background_image_blurring_radius)
+            .setView(fragmentImageBlurringDialog.root)
+            .setPositiveButton(R.string.dialog_confirm) { _, _ ->
+                sharedPreference.edit().putInt(prefName, fragmentImageBlurringDialog.seekBar.progress).commit()
+                block()
+            }
+            .setNegativeButton(R.string.dialog_cancel) { _, _ -> }
+            .create()
+    }
+
+    fun show(fragmentManager: FragmentManager) = show(fragmentManager, TAG)
+
+}

app/src/main/java/io/legado/app/ui/config/ThemeConfigFragment.kt

@@ -183,6 +183,8 @@ class ThemeConfigFragment : BasePreferenceFragment(),
                     }
                 }
             }
+            PreferKey.bgImageBlurring -> ImageBlurringDialogFragment(PreferKey.bgImageBlurring) { upTheme(false) }.show(parentFragmentManager)
+            PreferKey.bgImageNBlurring -> ImageBlurringDialogFragment(PreferKey.bgImageNBlurring) { upTheme(true) }.show(parentFragmentManager)
             PreferKey.defaultCover -> if (getPrefString(PreferKey.defaultCover).isNullOrEmpty()) {
                 selectImage.launch(requestCodeCover)
             } else {

app/src/main/res/layout/fragment_image_blurring_dialog.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="10dp">
+
+    <androidx.appcompat.widget.AppCompatSeekBar
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:max="25"
+        android:id="@+id/seek_bar" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/text_view_value"
+        android:layout_gravity="center_horizontal"
+        android:textSize="17sp"
+        android:textColor="@color/black"/>
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/background_image_hint" />
+
+</LinearLayout>

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

@@ -804,6 +804,9 @@
     <string name="pre_download_s">預先下載%s章正文</string>
     <string name="is_enabled">係咪啟用</string>
     <string name="background_image">背景圖片</string>
+    <string name="background_image_blurring">背景圖片虛化</string>
+    <string name="background_image_blurring_radius">虛化半徑</string>
+    <string name="background_image_hint">0為停用，啓用範圍1~25\n半徑數值越大，虛化效果越高</string>
     <string name="export_folder">導出資料夾</string>
     <string name="export_charset">導出編碼</string>
     <string name="export_to_web_dav">導出到WebDav</string>

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

@@ -807,6 +807,9 @@
     <string name="pre_download_s">預先下載%s章正文</string>
     <string name="is_enabled">是否啟用</string>
     <string name="background_image">背景圖片</string>
+    <string name="background_image_blurring">背景圖片虛化</string>
+    <string name="background_image_blurring_radius">虛化半徑</string>
+    <string name="background_image_hint">0為停用，啓用範圍1~25\n半徑數值越大，虛化效果越高</string>
     <string name="export_folder">匯出資料夾</string>
     <string name="export_charset">匯出編碼</string>
     <string name="export_to_web_dav">匯出到WebDav</string>

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

@@ -807,6 +807,9 @@
     <string name="pre_download_s">预先下载%s章正文</string>
     <string name="is_enabled">是否启用</string>
     <string name="background_image">背景图片</string>
+    <string name="background_image_blurring">背景图片虚化</string>
+    <string name="background_image_blurring_radius">虚化半径</string>
+    <string name="background_image_hint">0为停用，启用范围1~25\n半径数值越大，虚化效果越高</string>
     <string name="export_folder">导出文件夹</string>
     <string name="export_charset">导出编码</string>
     <string name="export_to_web_dav">导出到WebDav</string>

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

@@ -807,6 +807,9 @@
     <string name="pre_download_s">Download %s chapters in advance</string>
     <string name="is_enabled">Is enabled</string>
     <string name="background_image">Background image</string>
+    <string name="background_image_blurring">Background image blurring</string>
+    <string name="background_image_blurring_radius">Blurring radius</string>
+    <string name="background_image_hint">Disabled when 0, enable range from 1 to 25\nThe greater the radius, the stronger the effect of blurring</string>
     <string name="copy_book_url">Copy book URL</string>
     <string name="copy_toc_url">Copy chapters URL</string>
     <string name="export_folder">Export folder</string>

app/src/main/res/xml/pref_config_theme.xml

@@ -86,6 +86,10 @@
             android:key="backgroundImage"
             android:title="@string/background_image" />
 
+        <io.legado.app.ui.widget.prefs.Preference
+            android:key="backgroundImageBlurring"
+            android:title="@string/background_image_blurring" />
+
         <io.legado.app.ui.widget.prefs.ColorPreference
             android:defaultValue="@color/md_grey_200"
             android:key="colorBottomBackground"
@@ -149,6 +153,10 @@
             android:key="backgroundImageNight"
             android:title="@string/background_image" />
 
+        <io.legado.app.ui.widget.prefs.Preference
+            android:key="backgroundImageNightBlurring"
+            android:title="@string/background_image_blurring" />
+
         <io.legado.app.ui.widget.prefs.ColorPreference
             android:defaultValue="@color/md_grey_800"
             android:key="colorBottomBackgroundNight"