52 lines
1.4 KiB
Kotlin
52 lines
1.4 KiB
Kotlin
/*
|
|
* ArtworkBitmapLoader.kt
|
|
* Copyright (C) 2009-2022 Ultrasonic developers
|
|
*
|
|
* Distributed under terms of the GNU GPLv3 license.
|
|
*/
|
|
|
|
package org.moire.ultrasonic.imageloader
|
|
|
|
import android.graphics.Bitmap
|
|
import android.graphics.BitmapFactory
|
|
import android.net.Uri
|
|
import androidx.media3.session.BitmapLoader
|
|
import com.google.common.util.concurrent.ListenableFuture
|
|
import com.google.common.util.concurrent.ListeningExecutorService
|
|
import com.google.common.util.concurrent.MoreExecutors
|
|
import java.io.IOException
|
|
import java.util.concurrent.Executors
|
|
|
|
class ArtworkBitmapLoader : BitmapLoader {
|
|
|
|
private val executorService: ListeningExecutorService by lazy {
|
|
MoreExecutors.listeningDecorator(
|
|
Executors.newSingleThreadExecutor()
|
|
)
|
|
}
|
|
|
|
override fun decodeBitmap(data: ByteArray): ListenableFuture<Bitmap> {
|
|
return executorService.submit<Bitmap> {
|
|
decode(
|
|
data
|
|
)
|
|
}
|
|
}
|
|
|
|
override fun loadBitmap(uri: Uri): ListenableFuture<Bitmap> {
|
|
return executorService.submit<Bitmap> {
|
|
load(uri)
|
|
}
|
|
}
|
|
|
|
private fun decode(data: ByteArray): Bitmap {
|
|
val bitmap = BitmapFactory.decodeByteArray(data, 0, data.size)
|
|
return bitmap ?: throw IllegalArgumentException("Could not decode bitmap")
|
|
}
|
|
|
|
@Throws(IOException::class)
|
|
private fun load(uri: Uri): Bitmap {
|
|
return BitmapFactory.decodeFile(uri.path)
|
|
}
|
|
}
|