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Automatic Reader Background

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This commit is contained in:
Jay 2019-03-15 17:59:48 -07:00
parent 9baf3b5a09
commit 39b997a420
6 changed files with 116 additions and 9 deletions
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4
app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
View file

@ -110,8 +110,8 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
*/
override fun onCreate(savedState: Bundle?) {
setTheme(when (preferences.readerTheme().getOrDefault()) {
0 -> R.style.Theme_Reader_Light
else -> R.style.Theme_Reader
1 -> R.style.Theme_Reader
else -> R.style.Theme_Reader_Light
})
super.onCreate(savedState)
setContentView(R.layout.reader_activity)

28
app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt
View file

@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.ui.reader.viewer.pager
import android.annotation.SuppressLint
import android.content.Intent
import android.graphics.BitmapFactory
import android.graphics.PointF
import android.graphics.drawable.Drawable
import android.net.Uri
@ -27,19 +28,19 @@ import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
import com.github.chrisbanes.photoview.PhotoView
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.glide.GlideApp
import eu.kanade.tachiyomi.data.preference.PreferencesHelper
import eu.kanade.tachiyomi.source.model.Page
import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
import eu.kanade.tachiyomi.ui.reader.viewer.ReaderProgressBar
import eu.kanade.tachiyomi.ui.reader.viewer.pager.PagerConfig.ZoomType
import eu.kanade.tachiyomi.util.ImageUtil
import eu.kanade.tachiyomi.util.dpToPx
import eu.kanade.tachiyomi.util.gone
import eu.kanade.tachiyomi.util.visible
import eu.kanade.tachiyomi.util.*
import eu.kanade.tachiyomi.widget.ViewPagerAdapter
import kotlinx.coroutines.experimental.async
import rx.Observable
import rx.Subscription
import rx.android.schedulers.AndroidSchedulers
import rx.schedulers.Schedulers
import uy.kohesive.injekt.injectLazy
import java.io.InputStream
import java.util.concurrent.TimeUnit
@ -99,6 +100,8 @@ class PagerPageHolder(
*/
private var readImageHeaderSubscription: Subscription? = null
private val preferences by injectLazy<PreferencesHelper>()
init {
addView(progressBar)
observeStatus()
@ -243,7 +246,22 @@ class PagerPageHolder(
.observeOn(AndroidSchedulers.mainThread())
.doOnNext { isAnimated ->
if (!isAnimated) {
initSubsamplingImageView().setImage(ImageSource.inputStream(openStream!!))
if (preferences.readerTheme().get() == 2) {
val bytesArray = openStream!!.readBytes()
val imageView = initSubsamplingImageView()
val bytesStream = bytesArray.inputStream()
imageView.setImage(ImageSource.inputStream(bytesStream))
launchUI {
val backgroundD = async { ImageUtil.autoSetBackground(BitmapFactory.decodeByteArray(bytesArray, 0, bytesArray.size)) }
imageView.background = backgroundD.await()
}
bytesStream.close()
}
else {
initSubsamplingImageView().setImage(ImageSource.inputStream(openStream!!))
}
} else {
initImageView().setImage(openStream!!)
}

4
app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt
View file

@ -49,8 +49,8 @@ class SettingsReaderController : SettingsController() {
intListPreference {
key = Keys.readerTheme
titleRes = R.string.pref_reader_theme
entriesRes = arrayOf(R.string.white_background, R.string.black_background)
entryValues = arrayOf("0", "1")
entriesRes = arrayOf(R.string.white_background, R.string.black_background, R.string.auto_background)
entryValues = arrayOf("0", "1", "2")
defaultValue = "0"
summary = "%s"
}

87
app/src/main/java/eu/kanade/tachiyomi/util/ImageUtil.kt
View file

@ -1,5 +1,8 @@
package eu.kanade.tachiyomi.util
import android.graphics.Bitmap
import android.graphics.Color
import android.graphics.drawable.*
import java.io.InputStream
import java.net.URLConnection
@ -49,6 +52,90 @@ object ImageUtil {
return null
}
fun autoSetBackground(image: Bitmap): Drawable {
if (image.width < 50 || image.height < 50)
return ColorDrawable(Color.WHITE)
val topLeftIsDark = isDark(image.getPixel(2,2))
val topRightIsDark = isDark(image.getPixel(image.width - 2,2))
val midLeftIsDark = isDark(image.getPixel(2,image.height/2))
val midRightIsDark = isDark(image.getPixel(image.width - 2,image.height/2))
val topMidIsDark = isDark(image.getPixel(image.width/2, 2))
val botLeftIsDark = isDark(image.getPixel(2,image.height - 2))
val botRightIsDark = isDark(image.getPixel(image.width - 2,image.height - 2))
var darkBG = (topLeftIsDark && (botLeftIsDark || botRightIsDark || topRightIsDark || midLeftIsDark || topMidIsDark))
|| (topRightIsDark && (botRightIsDark || botLeftIsDark || midRightIsDark || topMidIsDark))
if (darkBG) {
if (isWhite(image.getPixel(2,2)).toInt() +
isWhite(image.getPixel(image.width - 2,2)).toInt() +
isWhite(image.getPixel(2,image.height - 2)).toInt() +
isWhite(image.getPixel(image.width - 2,image.height - 2)).toInt() > 2)
darkBG = false
var overallWhitePixels = 0
var overallBlackPixels = 0
outer@ for (x in intArrayOf(2,image.width-2)) {
var whitePixelsStreak = 0
var whitePixels = 0
var blackPixelsStreak = 0
var blackPixels = 0
var blackStreak = false
var whiteStrak = false
for (y in (0 until image.height step image.height / 25)) {
val pixel = image.getPixel(x, y)
if (isWhite(pixel)) {
blackPixelsStreak = 0
whitePixelsStreak++
whitePixels++
overallWhitePixels++
if (whitePixelsStreak > 14) {
whiteStrak = true
}
}
else {
whitePixelsStreak = 0
if (isDark(pixel)) {
blackPixels++
overallBlackPixels++
blackPixelsStreak++
if (blackPixelsStreak > 14) {
blackStreak = true
}
}
else {
blackPixelsStreak = 0
}
}
}
when {
blackPixels > 22 -> return ColorDrawable(Color.BLACK)
blackStreak -> darkBG = true
whiteStrak || whitePixels > 22 -> darkBG = false
}
}
if (overallWhitePixels > 9 && overallWhitePixels >= overallBlackPixels)
darkBG = false
}
if (darkBG)
{
if (isWhite(image.getPixel(2,image.height - 2)) && isWhite(image.getPixel(image.width - 2,image.height - 2)))
return GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM,
intArrayOf(Color.BLACK, Color.BLACK, Color.WHITE, Color.WHITE))
else
return ColorDrawable(Color.BLACK)
}
return ColorDrawable(Color.WHITE)
}
fun Boolean.toInt() = if (this) 1 else 0
private fun isDark(color: Int): Boolean {
return Color.red(color) < 33 && Color.blue(color) < 33 && Color.green(color) < 33
}
private fun isWhite(color: Int): Boolean {
return Color.red(color) + Color.blue(color) + Color.green(color) > 740
}
private fun ByteArray.compareWith(magic: ByteArray): Boolean {
for (i in 0 until magic.size) {
if (this[i] != magic[i]) return false

1
app/src/main/res/values/arrays.xml
View file

@ -25,6 +25,7 @@
<string-array name="reader_themes">
<item>@string/white_background</item>
<item>@string/black_background</item>
<item>@string/auto_background</item>
</string-array>
<string-array name="reader_themes_values">

1
app/src/main/res/values/strings.xml
View file

@ -185,6 +185,7 @@
<string name="pref_reader_theme">Background color</string>
<string name="white_background">White</string>
<string name="black_background">Black</string>
<string name="auto_background">Automatic</string>
<string name="pref_viewer_type">Default viewer</string>
<string name="default_viewer">Default</string>
<string name="left_to_right_viewer">Left to right</string>