Add ability to style subtitles (#177)

Adds settings for styling text subtitles such as srt/subrip

## Issues
Closes #11

app/src/main/java/com/github/damontecres/wholphin/preferences/AppPreference.kt

@@ -666,6 +666,12 @@ sealed interface AppPreference<T> {
                 summaryOn = R.string.one_click_pause_summary_on,
                 summaryOff = R.string.disabled,
             )
+
+        val SubtitleStyle =
+            AppDestinationPreference(
+                title = R.string.subtitle_style,
+                destination = Destination.Settings(PreferenceScreenOption.SUBTITLES),
+            )
     }
 }
 
@@ -679,6 +685,7 @@ val basicPreferences =
                     AppPreference.RewatchNextUp,
                     AppPreference.PlayThemeMusic,
                     AppPreference.RememberSelectedTab,
+                    AppPreference.SubtitleStyle,
                     AppPreference.ThemeColors,
                 ),
         ),

app/src/main/java/com/github/damontecres/wholphin/preferences/AppPreferencesSerializer.kt

@@ -1,7 +1,9 @@
 package com.github.damontecres.wholphin.preferences
 
+import androidx.compose.ui.graphics.toArgb
 import androidx.datastore.core.CorruptionException
 import androidx.datastore.core.Serializer
+import com.github.damontecres.wholphin.ui.preferences.subtitle.SubtitleSettings
 import com.google.protobuf.InvalidProtocolBufferException
 import java.io.InputStream
 import java.io.OutputStream
@@ -74,6 +76,13 @@ class AppPreferencesSerializer
                                 navDrawerSwitchOnFocus =
                                     AppPreference.NavDrawerSwitchOnFocus.defaultValue
                                 showClock = AppPreference.ShowClock.defaultValue
+
+                                subtitlesPreferences =
+                                    SubtitlePreferences
+                                        .newBuilder()
+                                        .apply {
+                                            resetSubtitles()
+                                        }.build()
                             }.build()
                 }.build()
 
@@ -112,3 +121,21 @@ inline fun AppPreferences.updateInterfacePreferences(block: InterfacePreferences
     update {
         interfacePreferences = interfacePreferences.toBuilder().apply(block).build()
     }
+
+inline fun AppPreferences.updateSubtitlePreferences(block: SubtitlePreferences.Builder.() -> Unit): AppPreferences =
+    updateInterfacePreferences {
+        subtitlesPreferences = subtitlesPreferences.toBuilder().apply(block).build()
+    }
+
+fun SubtitlePreferences.Builder.resetSubtitles() {
+    fontSize = SubtitleSettings.FontSize.defaultValue.toInt()
+    fontColor = SubtitleSettings.FontColor.defaultValue.toArgb()
+    fontBold = SubtitleSettings.FontBold.defaultValue
+    fontItalic = SubtitleSettings.FontItalic.defaultValue
+    fontOpacity = SubtitleSettings.FontOpacity.defaultValue.toInt()
+    edgeColor = SubtitleSettings.EdgeColor.defaultValue.toArgb()
+    edgeStyle = SubtitleSettings.EdgeStylePref.defaultValue
+    backgroundColor = SubtitleSettings.BackgroundColor.defaultValue.toArgb()
+    backgroundOpacity = SubtitleSettings.BackgroundOpacity.defaultValue.toInt()
+    backgroundStyle = SubtitleSettings.BackgroundStylePref.defaultValue
+}

app/src/main/java/com/github/damontecres/wholphin/ui/components/SliderBar.kt

@@ -44,7 +44,7 @@ fun SliderBar(
         targetValue = 6.dp.times((if (isFocused) 2f else 1f)),
     )
     var currentValue by remember(value) { mutableLongStateOf(value) }
-    val percent = currentValue.toFloat() / (max - min)
+    val percent = (currentValue - min).toFloat() / (max - min)
 
     val handleSeekEventModifier =
         Modifier.handleDPadKeyEvents(

app/src/main/java/com/github/damontecres/wholphin/ui/playback/PlaybackPage.kt

@@ -1,6 +1,7 @@
 package com.github.damontecres.wholphin.ui.playback
 
 import androidx.activity.compose.BackHandler
+import androidx.annotation.Dimension
 import androidx.annotation.OptIn
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.core.animateFloatAsState
@@ -70,6 +71,7 @@ import com.github.damontecres.wholphin.ui.OneTimeLaunchedEffect
 import com.github.damontecres.wholphin.ui.components.ErrorMessage
 import com.github.damontecres.wholphin.ui.components.LoadingPage
 import com.github.damontecres.wholphin.ui.nav.Destination
+import com.github.damontecres.wholphin.ui.preferences.subtitle.SubtitleSettings.toSubtitleStyle
 import com.github.damontecres.wholphin.ui.tryRequestFocus
 import com.github.damontecres.wholphin.util.ExceptionHandler
 import com.github.damontecres.wholphin.util.LoadingState
@@ -285,8 +287,10 @@ fun PlaybackPage(
                         AndroidView(
                             factory = { context ->
                                 SubtitleView(context).apply {
-                                    setUserDefaultStyle()
+                                    preferences.appPreferences.interfacePreferences.subtitlesPreferences.let {
-                                    setUserDefaultTextSize()
+                                        setStyle(it.toSubtitleStyle())
+                                        setFixedTextSize(Dimension.SP, it.fontSize.toFloat())
+                                    }
                                 }
                             },
                             update = {

app/src/main/java/com/github/damontecres/wholphin/ui/preferences/PreferenceUtils.kt

@@ -28,6 +28,7 @@ enum class PreferenceScreenOption {
     BASIC,
     ADVANCED,
     USER_INTERFACE,
+    SUBTITLES,
     ;
 
     companion object {

app/src/main/java/com/github/damontecres/wholphin/ui/preferences/PreferencesContent.kt

@@ -50,6 +50,8 @@ import com.github.damontecres.wholphin.ui.ifElse
 import com.github.damontecres.wholphin.ui.nav.Destination
 import com.github.damontecres.wholphin.ui.playOnClickSound
 import com.github.damontecres.wholphin.ui.playSoundOnFocus
+import com.github.damontecres.wholphin.ui.preferences.subtitle.SubtitleSettings
+import com.github.damontecres.wholphin.ui.preferences.subtitle.SubtitleStylePage
 import com.github.damontecres.wholphin.ui.setup.UpdateViewModel
 import com.github.damontecres.wholphin.ui.tryRequestFocus
 import com.github.damontecres.wholphin.util.ExceptionHandler
@@ -94,12 +96,14 @@ fun PreferencesContent(
             PreferenceScreenOption.BASIC -> basicPreferences
             PreferenceScreenOption.ADVANCED -> advancedPreferences
             PreferenceScreenOption.USER_INTERFACE -> uiPreferences
+            PreferenceScreenOption.SUBTITLES -> SubtitleSettings.preferences
         }
     val screenTitle =
         when (preferenceScreenOption) {
             PreferenceScreenOption.BASIC -> R.string.settings
             PreferenceScreenOption.ADVANCED -> R.string.advanced_settings
             PreferenceScreenOption.USER_INTERFACE -> R.string.ui_interface
+            PreferenceScreenOption.SUBTITLES -> R.string.subtitle_style
         }
 
     var visible by remember { mutableStateOf(false) }
@@ -296,6 +300,19 @@ fun PreferencesContent(
                                 )
                             }
 
+                            SubtitleSettings.Reset -> {
+                                ClickPreference(
+                                    title = stringResource(pref.title),
+                                    onClick = {
+                                        viewModel.resetSubtitleSettings()
+                                    },
+                                    modifier = Modifier,
+                                    summary = pref.summary(context, null),
+                                    onLongClick = {},
+                                    interactionSource = interactionSource,
+                                )
+                            }
+
                             else -> {
                                 val value = pref.getter.invoke(preferences)
                                 ComposablePreference(
@@ -351,6 +368,11 @@ fun PreferencesPage(
     Box(
         modifier = modifier.background(MaterialTheme.colorScheme.background),
     ) {
+        when (preferenceScreenOption) {
+            PreferenceScreenOption.BASIC,
+            PreferenceScreenOption.ADVANCED,
+            PreferenceScreenOption.USER_INTERFACE,
+            ->
                 PreferencesContent(
                     initialPreferences,
                     preferenceScreenOption,
@@ -359,5 +381,11 @@ fun PreferencesPage(
                         .fillMaxHeight()
                         .align(Alignment.TopEnd),
                 )
+
+            PreferenceScreenOption.SUBTITLES ->
+                SubtitleStylePage(
+                    initialPreferences,
+                )
+        }
     }
 }

app/src/main/java/com/github/damontecres/wholphin/ui/preferences/PreferencesViewModel.kt

@@ -12,6 +12,8 @@ import com.github.damontecres.wholphin.data.isPinned
 import com.github.damontecres.wholphin.data.model.NavDrawerPinnedItem
 import com.github.damontecres.wholphin.data.model.NavPinType
 import com.github.damontecres.wholphin.preferences.AppPreferences
+import com.github.damontecres.wholphin.preferences.resetSubtitles
+import com.github.damontecres.wholphin.preferences.updateSubtitlePreferences
 import com.github.damontecres.wholphin.ui.detail.DebugViewModel.Companion.sendAppLogs
 import com.github.damontecres.wholphin.ui.launchIO
 import com.github.damontecres.wholphin.ui.nav.NavDrawerItem
@@ -91,4 +93,20 @@ class PreferencesViewModel
         fun sendAppLogs() {
             sendAppLogs(context, api, clientInfo, deviceInfo)
         }
+
+        fun resetSubtitleSettings() {
+            viewModelScope.launchIO {
+                resetSubtitleSettings(preferenceDataStore)
+            }
+        }
+
+        companion object {
+            suspend fun resetSubtitleSettings(appPreferences: DataStore<AppPreferences>) {
+                appPreferences.updateData {
+                    it.updateSubtitlePreferences {
+                        resetSubtitles()
+                    }
+                }
+            }
+        }
     }

app/src/main/java/com/github/damontecres/wholphin/ui/preferences/subtitle/SubtitleSettings.kt

@@ -0,0 +1,248 @@
+package com.github.damontecres.wholphin.ui.preferences.subtitle
+
+import android.graphics.Typeface
+import androidx.annotation.OptIn
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.toArgb
+import androidx.media3.common.util.UnstableApi
+import androidx.media3.ui.CaptionStyleCompat
+import com.github.damontecres.wholphin.R
+import com.github.damontecres.wholphin.preferences.AppChoicePreference
+import com.github.damontecres.wholphin.preferences.AppClickablePreference
+import com.github.damontecres.wholphin.preferences.AppSliderPreference
+import com.github.damontecres.wholphin.preferences.AppSwitchPreference
+import com.github.damontecres.wholphin.preferences.BackgroundStyle
+import com.github.damontecres.wholphin.preferences.EdgeStyle
+import com.github.damontecres.wholphin.preferences.SubtitlePreferences
+import com.github.damontecres.wholphin.preferences.updateSubtitlePreferences
+import com.github.damontecres.wholphin.ui.indexOfFirstOrNull
+import com.github.damontecres.wholphin.ui.preferences.PreferenceGroup
+
+object SubtitleSettings {
+    val FontSize =
+        AppSliderPreference(
+            title = R.string.font_size,
+            defaultValue = 24,
+            min = 8,
+            max = 70,
+            interval = 2,
+            getter = {
+                it.interfacePreferences.subtitlesPreferences.fontSize
+                    .toLong()
+            },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { fontSize = value.toInt() }
+            },
+            summarizer = { value -> value?.toString() },
+        )
+
+    private val colorList =
+        listOf(
+            Color.White,
+            Color.Black,
+            Color.LightGray,
+            Color.DarkGray,
+            Color.Red,
+            Color.Yellow,
+            Color.Green,
+            Color.Cyan,
+            Color.Blue,
+            Color.Magenta,
+        )
+
+    val FontColor =
+        AppChoicePreference<Color>(
+            title = R.string.font_color,
+            defaultValue = Color.White,
+            getter = { Color(it.interfacePreferences.subtitlesPreferences.fontColor) },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { fontColor = value.toArgb().and(0x00FFFFFF) }
+            },
+            displayValues = R.array.font_colors,
+            indexToValue = { colorList.getOrNull(it) ?: Color.White },
+            valueToIndex = { value ->
+                val color = value.toArgb().and(0x00FFFFFF)
+                colorList.indexOfFirstOrNull { color == it.toArgb().and(0x00FFFFFF) } ?: 0
+            },
+        )
+
+    val FontBold =
+        AppSwitchPreference(
+            title = R.string.bold_font,
+            defaultValue = false,
+            getter = { it.interfacePreferences.subtitlesPreferences.fontBold },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { fontBold = value }
+            },
+        )
+    val FontItalic =
+        AppSwitchPreference(
+            title = R.string.italic_font,
+            defaultValue = false,
+            getter = { it.interfacePreferences.subtitlesPreferences.fontItalic },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { fontItalic = value }
+            },
+        )
+
+    val FontOpacity =
+        AppSliderPreference(
+            title = R.string.font_opacity,
+            defaultValue = 100,
+            min = 10,
+            max = 100,
+            interval = 10,
+            getter = {
+                it.interfacePreferences.subtitlesPreferences.fontOpacity
+                    .toLong()
+            },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { fontOpacity = value.toInt() }
+            },
+            summarizer = { value -> value?.let { "$it%" } },
+        )
+
+    val EdgeStylePref =
+        AppChoicePreference<EdgeStyle>(
+            title =
+                R.string.edge_style,
+            defaultValue = EdgeStyle.EDGE_SOLID,
+            getter = { it.interfacePreferences.subtitlesPreferences.edgeStyle },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { edgeStyle = value }
+            },
+            displayValues = R.array.subtitle_edge,
+            indexToValue = { EdgeStyle.forNumber(it) },
+            valueToIndex = { it.number },
+        )
+
+    val EdgeColor =
+        AppChoicePreference<Color>(
+            title = R.string.edge_color,
+            defaultValue = Color.Black,
+            getter = { Color(it.interfacePreferences.subtitlesPreferences.edgeColor) },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { edgeColor = value.toArgb().and(0x00FFFFFF) }
+            },
+            displayValues = R.array.font_colors,
+            indexToValue = { colorList.getOrNull(it) ?: Color.White },
+            valueToIndex = { value ->
+                val color = value.toArgb().and(0x00FFFFFF)
+                colorList.indexOfFirstOrNull { color == it.toArgb().and(0x00FFFFFF) } ?: 0
+            },
+        )
+
+    val BackgroundColor =
+        AppChoicePreference<Color>(
+            title = R.string.background_color,
+            defaultValue = Color.Transparent,
+            getter = { Color(it.interfacePreferences.subtitlesPreferences.backgroundColor) },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { backgroundColor = value.toArgb().and(0x00FFFFFF) }
+            },
+            displayValues = R.array.font_colors,
+            indexToValue = { colorList.getOrNull(it) ?: Color.White },
+            valueToIndex = { value ->
+                val color = value.toArgb().and(0x00FFFFFF)
+                colorList.indexOfFirstOrNull { color == it.toArgb().and(0x00FFFFFF) } ?: 0
+            },
+        )
+
+    val BackgroundOpacity =
+        AppSliderPreference(
+            title = R.string.background_opacity,
+            defaultValue = 50,
+            min = 10,
+            max = 100,
+            interval = 10,
+            getter = {
+                it.interfacePreferences.subtitlesPreferences.backgroundOpacity
+                    .toLong()
+            },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { backgroundOpacity = value.toInt() }
+            },
+            summarizer = { value -> value?.let { "$it%" } },
+        )
+
+    val BackgroundStylePref =
+        AppChoicePreference<BackgroundStyle>(
+            title =
+                R.string.background_style,
+            defaultValue = BackgroundStyle.BG_NONE,
+            getter = { it.interfacePreferences.subtitlesPreferences.backgroundStyle },
+            setter = { prefs, value ->
+                prefs.updateSubtitlePreferences { backgroundStyle = value }
+            },
+            displayValues = R.array.background_style,
+            indexToValue = { BackgroundStyle.forNumber(it) },
+            valueToIndex = { it.number },
+        )
+
+    val Reset =
+        AppClickablePreference(
+            title = R.string.reset,
+            getter = { },
+            setter = { prefs, _ -> prefs },
+        )
+
+    val preferences =
+        listOf(
+            PreferenceGroup(
+                title = R.string.font,
+                preferences =
+                    listOf(
+                        FontSize,
+                        FontColor,
+                        FontBold,
+                        FontItalic,
+                        FontOpacity,
+                    ),
+            ),
+            PreferenceGroup(
+                title = R.string.edge_style,
+                preferences =
+                    listOf(
+                        EdgeStylePref,
+                        EdgeColor,
+                    ),
+            ),
+            PreferenceGroup(
+                title = R.string.background,
+                preferences =
+                    listOf(
+                        BackgroundStylePref,
+                        BackgroundColor,
+                        BackgroundOpacity,
+                    ),
+            ),
+            PreferenceGroup(
+                title = R.string.more,
+                preferences =
+                    listOf(Reset),
+            ),
+        )
+
+    @OptIn(UnstableApi::class)
+    fun SubtitlePreferences.toSubtitleStyle(): CaptionStyleCompat {
+        val fo = (fontOpacity / 100.0 * 255).toInt().shl(24)
+        val bg = (backgroundOpacity / 100.0 * 255).toInt().shl(24).or(backgroundColor)
+        return CaptionStyleCompat(
+            fo.or(fontColor),
+            if (backgroundStyle == BackgroundStyle.BG_WRAP)bg else 0,
+            if (backgroundStyle == BackgroundStyle.BG_BOXED) bg else 0,
+            when (edgeStyle) {
+                EdgeStyle.EDGE_NONE, EdgeStyle.UNRECOGNIZED -> CaptionStyleCompat.EDGE_TYPE_NONE
+                EdgeStyle.EDGE_SOLID -> CaptionStyleCompat.EDGE_TYPE_OUTLINE
+                EdgeStyle.EDGE_SHADOW -> CaptionStyleCompat.EDGE_TYPE_DROP_SHADOW
+            },
+            fo.or(edgeColor),
+            when {
+                fontBold && fontItalic -> Typeface.defaultFromStyle(Typeface.BOLD_ITALIC)
+                fontBold -> Typeface.defaultFromStyle(Typeface.BOLD)
+                fontItalic -> Typeface.defaultFromStyle(Typeface.ITALIC)
+                else -> Typeface.DEFAULT
+            },
+        )
+    }
+}

app/src/main/java/com/github/damontecres/wholphin/ui/preferences/subtitle/SubtitleStylePage.kt

@@ -0,0 +1,116 @@
+package com.github.damontecres.wholphin.ui.preferences.subtitle
+
+import androidx.annotation.Dimension
+import androidx.annotation.OptIn
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.viewinterop.AndroidView
+import androidx.hilt.lifecycle.viewmodel.compose.hiltViewModel
+import androidx.media3.common.text.Cue
+import androidx.media3.common.util.UnstableApi
+import androidx.media3.ui.SubtitleView
+import com.github.damontecres.wholphin.R
+import com.github.damontecres.wholphin.preferences.AppPreferences
+import com.github.damontecres.wholphin.ui.preferences.PreferenceScreenOption
+import com.github.damontecres.wholphin.ui.preferences.PreferencesContent
+import com.github.damontecres.wholphin.ui.preferences.PreferencesViewModel
+import com.github.damontecres.wholphin.ui.preferences.subtitle.SubtitleSettings.toSubtitleStyle
+import timber.log.Timber
+
+@OptIn(UnstableApi::class)
+@Composable
+fun SubtitleStylePage(
+    initialPreferences: AppPreferences,
+    modifier: Modifier = Modifier,
+    viewModel: PreferencesViewModel = hiltViewModel(),
+) {
+    var preferences by remember { mutableStateOf(initialPreferences) }
+    LaunchedEffect(Unit) {
+        viewModel.preferenceDataStore.data.collect {
+            preferences = it
+        }
+    }
+    Timber.v("SubtitleStylePage")
+    val prefs = preferences.interfacePreferences.subtitlesPreferences
+    Row(
+        modifier = modifier,
+    ) {
+        Box(
+            contentAlignment = Alignment.BottomCenter,
+            modifier =
+                Modifier
+                    .fillMaxSize()
+                    .weight(1f),
+        ) {
+            Image(
+                painter = painterResource(R.mipmap.eclipse),
+                contentDescription = null,
+                contentScale = ContentScale.FillBounds,
+                modifier =
+                    Modifier
+                        .fillMaxSize(),
+            )
+            Column(
+                verticalArrangement = Arrangement.SpaceBetween,
+                modifier =
+                    Modifier
+                        .padding(16.dp)
+                        .fillMaxSize(),
+            ) {
+                val examples =
+                    mapOf(
+                        "Subtitles will look like this" to 48.dp,
+                        "This is another example" to 24.dp,
+                        "Longer multi line subtitles will\nlook like this" to 0.dp,
+                    )
+                examples.forEach { (text, padding) ->
+                    AndroidView(
+                        factory = { context ->
+                            SubtitleView(context)
+                        },
+                        update = {
+                            it.setStyle(prefs.toSubtitleStyle())
+                            it.setFixedTextSize(Dimension.SP, prefs.fontSize.toFloat())
+                            it.setCues(
+                                listOf(
+                                    Cue.Builder().setText(text).build(),
+                                ),
+                            )
+                        },
+                        modifier =
+                            Modifier
+                                .weight(1f)
+                                .fillMaxWidth()
+                                .padding(bottom = padding),
+                    )
+                }
+            }
+        }
+        PreferencesContent(
+            initialPreferences = preferences,
+            preferenceScreenOption = PreferenceScreenOption.SUBTITLES,
+            modifier =
+                Modifier
+                    .fillMaxHeight()
+                    .fillMaxWidth(.25f),
+        )
+    }
+}

app/src/main/java/com/github/damontecres/wholphin/util/AppUpgradeHandler.kt

@@ -10,6 +10,7 @@ import com.github.damontecres.wholphin.preferences.AppPreference
 import com.github.damontecres.wholphin.preferences.AppPreferences
 import com.github.damontecres.wholphin.preferences.updateInterfacePreferences
 import com.github.damontecres.wholphin.preferences.updatePlaybackOverrides
+import com.github.damontecres.wholphin.ui.preferences.PreferencesViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
 import timber.log.Timber
 import javax.inject.Inject
@@ -96,4 +97,7 @@ suspend fun upgradeApp(
             }
         }
     }
+    if (previous.isEqualOrBefore(Version.fromString("0.2.7-1-g0"))) {
+        PreferencesViewModel.resetSubtitleSettings(appPreferences)
+    }
 }

app/src/main/proto/WholphinDataStore.proto

@@ -83,6 +83,31 @@ enum AppThemeColors {
   ORANGE = 3;
 }
 
+enum EdgeStyle{
+  EDGE_NONE = 0;
+  EDGE_SOLID = 1;
+  EDGE_SHADOW = 2;
+}
+
+enum BackgroundStyle{
+  BG_NONE = 0;
+  BG_WRAP = 1;
+  BG_BOXED = 2;
+}
+
+message SubtitlePreferences{
+  int32 font_size = 1;
+  int32 font_color = 2;
+  int32 font_opacity = 3;
+  int32 edge_color = 4;
+  EdgeStyle edge_style = 5;
+  int32 background_color = 6;
+  int32 background_opacity = 7;
+  BackgroundStyle background_style = 8;
+  bool font_bold = 9;
+  bool font_italic = 10;
+}
+
 message InterfacePreferences {
   ThemeSongVolume play_theme_songs = 1;
   bool remember_selected_tab = 2;
@@ -90,6 +115,7 @@ message InterfacePreferences {
   AppThemeColors app_theme_colors = 4;
   bool nav_drawer_switch_on_focus = 5;
   bool show_clock = 6;
+  SubtitlePreferences subtitles_preferences = 7;
 }
 
 message AppPreferences {

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

@@ -47,6 +47,17 @@
     <string name="update_available">Update available</string>
     <string name="update_url_summary">URL used to check for app updates</string>
     <string name="update_url">Update URL</string>
+    <string name="font_size">Font size</string>
+    <string name="font_color">Font color</string>
+    <string name="font_opacity">Font opacity</string>
+    <string name="edge_style">Edge style</string>
+    <string name="edge_color">Edge color</string>
+    <string name="background_opacity">Background opacity</string>
+    <string name="background_style">Background style</string>
+    <string name="subtitle_style">Subtitle style</string>
+    <string name="background_color">Background color</string>
+    <string name="reset">Reset</string>
+    <string name="bold_font">Bold font</string>
 
     <string-array name="theme_song_volume">
         <item>Disabled</item>
@@ -90,4 +101,29 @@
         <item>During end credits/outro</item>
     </string-array>
 
+    <string-array name="font_colors">
+        <item>White</item>
+        <item>Black</item>
+        <item>Light Gray</item>
+        <item>Dark Gray</item>
+        <item>Red</item>
+        <item>Yellow</item>
+        <item>Green</item>
+        <item>Cyan</item>
+        <item>Blue</item>
+        <item>Magenta</item>
+    </string-array>
+
+    <string-array name="subtitle_edge">
+        <item>None</item>
+        <item>Outline</item>
+        <item>Shadow</item>
+    </string-array>
+
+    <string-array name="background_style">
+        <item>None</item>
+        <item>Wrap</item>
+        <item>Boxed</item>
+    </string-array>
+
 </resources>

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

@@ -144,6 +144,9 @@
     <string name="add_to_playlist">Add to playlist</string>
     <string name="one_click_pause">Pause with one click</string>
     <string name="one_click_pause_summary_on">Press D-Pad center to pause/play</string>
+    <string name="italic_font">Italicize font</string>
+    <string name="font">Font</string>
+    <string name="background">Background</string>
 
     <plurals name="downloads">
         <item quantity="zero">%s downloads</item>