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Code Issues Packages Projects Releases Wiki Activity

Display animated webp whenever possible, otherwise fallback to static image. Fixes #5139

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This commit is contained in:
inorichi
2021-05-25 19:42:48 +02:00
parent 9a801cfdfb
commit 8c18a14dfd
4 changed files with 37 additions and 3 deletions
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2
app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt
View File

@@ -232,7 +232,7 @@ class PagerPageHolder(
val stream = streamFn().buffered(16)
openStream = process(item, stream)
ImageUtil.findImageType(stream) == ImageUtil.ImageType.GIF
ImageUtil.isAnimatedAndSupported(stream)
}
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())

2
app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonPageHolder.kt
View File

@@ -279,7 +279,7 @@ class WebtoonPageHolder(
val stream = streamFn().buffered(16)
openStream = process(stream)
ImageUtil.findImageType(stream) == ImageUtil.ImageType.GIF
ImageUtil.isAnimatedAndSupported(stream)
}
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())

31
app/src/main/java/eu/kanade/tachiyomi/util/system/ImageUtil.kt
View File

@@ -10,11 +10,14 @@ import android.graphics.Rect
import android.graphics.drawable.ColorDrawable
import android.graphics.drawable.Drawable
import android.graphics.drawable.GradientDrawable
import android.os.Build
import androidx.core.graphics.alpha
import androidx.core.graphics.blue
import androidx.core.graphics.createBitmap
import androidx.core.graphics.green
import androidx.core.graphics.red
import tachiyomi.decoder.Format
import tachiyomi.decoder.ImageDecoder
import java.io.ByteArrayInputStream
import java.io.ByteArrayOutputStream
import java.io.InputStream
@@ -68,6 +71,34 @@ object ImageUtil {
return null
}
fun isAnimatedAndSupported(stream: InputStream): Boolean {
try {
val bytes = ByteArray(32)
val length = if (stream.markSupported()) {
stream.mark(bytes.size)
stream.read(bytes, 0, bytes.size).also { stream.reset() }
} else {
stream.read(bytes, 0, bytes.size)
}
if (length == -1) {
return false
}
val type = ImageDecoder.findType(bytes) ?: return false
return when (type.format) {
Format.Gif -> true
// Coil supports animated WebP on Android 9.0+
// https://coil-kt.github.io/coil/getting_started/#supported-image-formats
Format.Webp -> type.isAnimated && Build.VERSION.SDK_INT >= Build.VERSION_CODES.P
else -> false
}
} catch (e: Exception) {
}
return false
}
private fun ByteArray.compareWith(magic: ByteArray): Boolean {
return magic.indices.none { this[it] != magic[it] }
}