Reader grayscale filter (closes #2822)

pull/5005/head
arkon 3 years ago
parent fe373a95a2
commit 908c9bc624

@ -49,6 +49,8 @@ object PreferenceKeys {
const val colorFilterMode = "color_filter_mode"
const val grayscale = "pref_grayscale"
const val defaultReadingMode = "pref_default_reading_mode_key"
const val defaultOrientationType = "pref_default_orientation_type_key"

@ -121,6 +121,8 @@ class PreferencesHelper(val context: Context) {
fun colorFilterMode() = flowPrefs.getInt(Keys.colorFilterMode, 0)
fun grayscale() = flowPrefs.getBoolean(Keys.grayscale, false)
fun defaultReadingMode() = prefs.getInt(Keys.defaultReadingMode, ReadingModeType.RIGHT_TO_LEFT.flagValue)
fun defaultOrientationType() = prefs.getInt(Keys.defaultOrientationType, OrientationType.FREE.flagValue)

@ -8,12 +8,16 @@ import android.content.Context
import android.content.Intent
import android.graphics.Bitmap
import android.graphics.Color
import android.graphics.ColorMatrix
import android.graphics.ColorMatrixColorFilter
import android.graphics.Paint
import android.os.Build
import android.os.Bundle
import android.view.KeyEvent
import android.view.Menu
import android.view.MenuItem
import android.view.MotionEvent
import android.view.View.LAYER_TYPE_HARDWARE
import android.view.WindowManager
import android.view.animation.Animation
import android.view.animation.AnimationUtils
@ -789,6 +793,16 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
*/
private inner class ReaderConfig {
private val grayscalePaint by lazy {
Paint().apply {
colorFilter = ColorMatrixColorFilter(
ColorMatrix().apply {
setSaturation(0f)
}
)
}
}
/**
* Initializes the reader subscriptions.
*/
@ -827,6 +841,10 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
preferences.colorFilterMode().asFlow()
.onEach { setColorFilter(preferences.colorFilter().get()) }
.launchIn(lifecycleScope)
preferences.grayscale().asFlow()
.onEach { setGrayscale(it) }
.launchIn(lifecycleScope)
}
/**
@ -934,5 +952,10 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
binding.colorOverlay.isVisible = true
binding.colorOverlay.setFilterColor(value, preferences.colorFilterMode().get())
}
private fun setGrayscale(enabled: Boolean) {
val paint = if (enabled) grayscalePaint else null
binding.viewerContainer.setLayerType(LAYER_TYPE_HARDWARE, paint)
}
}
}

@ -14,7 +14,7 @@ import androidx.lifecycle.lifecycleScope
import eu.kanade.tachiyomi.data.preference.PreferencesHelper
import eu.kanade.tachiyomi.databinding.ReaderColorFilterSettingsBinding
import eu.kanade.tachiyomi.ui.reader.ReaderActivity
import eu.kanade.tachiyomi.widget.IgnoreFirstSpinnerListener
import eu.kanade.tachiyomi.util.preference.bindToPreference
import eu.kanade.tachiyomi.widget.SimpleSeekBarListener
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
@ -63,20 +63,10 @@ class ReaderColorFilterSettings @JvmOverloads constructor(context: Context, attr
binding.seekbarColorFilterBlue.progress = argb[3]
// Set listeners
binding.switchColorFilter.isChecked = preferences.colorFilter().get()
binding.switchColorFilter.setOnCheckedChangeListener { _, isChecked ->
preferences.colorFilter().set(isChecked)
}
binding.customBrightness.isChecked = preferences.customBrightness().get()
binding.customBrightness.setOnCheckedChangeListener { _, isChecked ->
preferences.customBrightness().set(isChecked)
}
binding.colorFilterMode.onItemSelectedListener = IgnoreFirstSpinnerListener { position ->
preferences.colorFilterMode().set(position)
}
binding.colorFilterMode.setSelection(preferences.colorFilterMode().get(), false)
binding.switchColorFilter.bindToPreference(preferences.colorFilter())
binding.customBrightness.bindToPreference(preferences.customBrightness())
binding.colorFilterMode.bindToPreference(preferences.colorFilterMode())
binding.grayscale.bindToPreference(preferences.grayscale())
binding.seekbarColorFilterAlpha.setOnSeekBarChangeListener(
object : SimpleSeekBarListener() {

@ -3,8 +3,7 @@
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="16dp">
android:layout_height="wrap_content">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
@ -17,12 +16,25 @@
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="@string/pref_custom_color_filter"
android:paddingStart="16dp"
android:paddingEnd="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<!-- Red filter -->
<TextView
android:id="@+id/txt_color_filter_red_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingStart="16dp"
android:text="@string/color_filter_r_value"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_red"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_red" />
<SeekBar
android:id="@+id/seekbar_color_filter_red"
android:layout_width="0dp"
@ -30,33 +42,36 @@
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:max="255"
android:padding="@dimen/material_component_text_fields_floating_label_padding_between_label_and_input_text"
android:padding="8dp"
app:layout_constraintEnd_toStartOf="@id/txt_color_filter_red_value"
app:layout_constraintStart_toEndOf="@id/color_filter_symbols_barrier"
app:layout_constraintTop_toBottomOf="@id/switch_color_filter" />
<TextView
android:id="@+id/txt_color_filter_red_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/color_filter_r_value"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_red"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_red" />
<TextView
android:id="@+id/txt_color_filter_red_value"
android:layout_width="30dp"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_marginEnd="16dp"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_red"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_red" />
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_red"
tools:text="255" />
<!-- Green filter -->
<TextView
android:id="@+id/txt_color_filter_green_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingStart="16dp"
android:text="@string/color_filter_g_value"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_green"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_green" />
<SeekBar
android:id="@+id/seekbar_color_filter_green"
android:layout_width="0dp"
@ -64,33 +79,36 @@
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:max="255"
android:padding="@dimen/material_component_text_fields_floating_label_padding_between_label_and_input_text"
android:padding="8dp"
app:layout_constraintEnd_toStartOf="@id/txt_color_filter_green_value"
app:layout_constraintStart_toEndOf="@id/color_filter_symbols_barrier"
app:layout_constraintTop_toBottomOf="@id/seekbar_color_filter_red" />
<TextView
android:id="@+id/txt_color_filter_green_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/color_filter_g_value"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_green"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_green" />
<TextView
android:id="@+id/txt_color_filter_green_value"
android:layout_width="30dp"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_marginEnd="16dp"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_green"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_green" />
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_green"
tools:text="255" />
<!-- Blue filter -->
<TextView
android:id="@+id/txt_color_filter_blue_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/color_filter_b_value"
android:paddingStart="16dp"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_blue"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_blue" />
<SeekBar
android:id="@+id/seekbar_color_filter_blue"
android:layout_width="0dp"
@ -98,33 +116,36 @@
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:max="255"
android:padding="@dimen/material_component_text_fields_floating_label_padding_between_label_and_input_text"
android:padding="8dp"
app:layout_constraintEnd_toStartOf="@id/txt_color_filter_blue_value"
app:layout_constraintStart_toEndOf="@id/color_filter_symbols_barrier"
app:layout_constraintTop_toBottomOf="@id/seekbar_color_filter_green" />
<TextView
android:id="@+id/txt_color_filter_blue_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/color_filter_b_value"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_blue"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_blue" />
<TextView
android:id="@+id/txt_color_filter_blue_value"
android:layout_width="30dp"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_marginEnd="16dp"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_blue"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_blue" />
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_blue"
tools:text="255" />
<!-- Alpha filter -->
<TextView
android:id="@+id/txt_color_filter_alpha_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingStart="16dp"
android:text="@string/color_filter_a_value"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_alpha"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_alpha" />
<SeekBar
android:id="@+id/seekbar_color_filter_alpha"
android:layout_width="0dp"
@ -132,51 +153,45 @@
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:max="255"
android:padding="@dimen/material_component_text_fields_floating_label_padding_between_label_and_input_text"
android:padding="8dp"
app:layout_constraintEnd_toStartOf="@id/txt_color_filter_alpha_value"
app:layout_constraintStart_toEndOf="@id/color_filter_symbols_barrier"
app:layout_constraintTop_toBottomOf="@id/seekbar_color_filter_blue" />
<TextView
android:id="@+id/txt_color_filter_alpha_symbol"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/color_filter_a_value"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_alpha"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_alpha" />
<TextView
android:id="@+id/txt_color_filter_alpha_value"
android:layout_width="30dp"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_alignParentEnd="true"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/seekbar_color_filter_alpha"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_alpha" />
app:layout_constraintTop_toTopOf="@id/seekbar_color_filter_alpha"
tools:text="255" />
<!-- Filter mode -->
<TextView
android:id="@+id/color_filter_mode_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="@string/pref_color_filter_mode"
app:layout_constraintBaseline_toBaselineOf="@id/color_filter_mode"
app:layout_constraintEnd_toStartOf="@id/color_filter_mode"
app:layout_constraintStart_toStartOf="parent" />
<androidx.appcompat.widget.AppCompatSpinner
<eu.kanade.tachiyomi.widget.MaterialSpinnerView
android:id="@+id/color_filter_mode"
android:layout_width="0dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:entries="@array/color_filter_modes"
app:layout_constraintEnd_toStartOf="@id/spinner_end"
app:layout_constraintStart_toEndOf="@id/verticalcenter"
app:layout_constraintTop_toBottomOf="@id/seekbar_color_filter_alpha" />
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/seekbar_color_filter_alpha"
app:title="@string/pref_color_filter_mode" />
<!-- Grayscale -->
<com.google.android.material.switchmaterial.SwitchMaterial
android:id="@+id/grayscale"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingEnd="16dp"
android:paddingStart="16dp"
android:text="@string/pref_grayscale"
android:textColor="?android:attr/textColorSecondary"
app:layout_constraintTop_toBottomOf="@id/color_filter_mode" />
<!-- Brightness -->
@ -185,11 +200,25 @@
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:paddingEnd="16dp"
android:paddingStart="16dp"
android:text="@string/pref_custom_brightness"
app:layout_constraintTop_toBottomOf="@id/color_filter_mode_text" />
app:layout_constraintTop_toBottomOf="@id/grayscale" />
<!-- Brightness value -->
<androidx.appcompat.widget.AppCompatImageView
android:id="@+id/txt_brightness_seekbar_icon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingStart="16dp"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
android:tint="?attr/colorOnBackground"
app:layout_constraintBottom_toBottomOf="@id/brightness_seekbar"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/brightness_seekbar"
app:srcCompat="@drawable/ic_brightness_5_24dp" />
<eu.kanade.tachiyomi.widget.NegativeSeekBar
android:id="@+id/brightness_seekbar"
android:layout_width="0dp"
@ -203,25 +232,16 @@
app:max_seek="100"
app:min_seek="-75" />
<androidx.appcompat.widget.AppCompatImageView
android:id="@+id/txt_brightness_seekbar_icon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
android:tint="?attr/colorOnBackground"
app:layout_constraintBottom_toBottomOf="@id/brightness_seekbar"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/brightness_seekbar"
app:srcCompat="@drawable/ic_brightness_5_24dp" />
<TextView
android:id="@+id/txt_brightness_seekbar_value"
android:layout_width="30dp"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:textAppearance="@style/TextAppearance.Medium.SubHeading"
app:layout_constraintBottom_toBottomOf="@id/brightness_seekbar"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="@id/brightness_seekbar" />
app:layout_constraintTop_toTopOf="@id/brightness_seekbar"
tools:text="50" />
<androidx.constraintlayout.widget.Barrier
android:id="@+id/color_filter_symbols_barrier"
@ -230,20 +250,6 @@
app:barrierDirection="end"
app:constraint_referenced_ids="txt_color_filter_alpha_symbol,txt_color_filter_blue_symbol,txt_color_filter_red_symbol,txt_color_filter_green_symbol" />
<androidx.constraintlayout.widget.Guideline
android:id="@+id/verticalcenter"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.5" />
<android.widget.Space
android:id="@+id/spinner_end"
android:layout_width="16dp"
android:layout_height="0dp"
app:layout_constraintStart_toEndOf="parent"
tools:ignore="MissingConstraints" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.core.widget.NestedScrollView>

@ -271,6 +271,7 @@
<string name="pref_true_color_summary">Reduces banding, but impacts performance</string>
<string name="pref_crop_borders">Crop borders</string>
<string name="pref_custom_brightness">Custom brightness</string>
<string name="pref_grayscale">Grayscale</string>
<string name="pref_custom_color_filter">Custom color filter</string>
<string name="pref_color_filter_mode">Color filter blend mode</string>
<string name="filter_mode_default">Default</string>

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