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fix(mobile): decoding at higher resolution than necessary (#21503)

pull/21536/head
Mert 2025-09-02 11:03:17 -04:00 committed by GitHub
parent 0df910c0cd
commit f06b054087
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1 changed files with 1 additions and 13 deletions
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14
mobile/android/app/src/main/kotlin/app/alextran/immich/images/ThumbnailsImpl.kt
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@ -202,8 +202,7 @@ class ThumbnailsImpl(context: Context) : ThumbnailApi {
val source = ImageDecoder.createSource(resolver, uri)
signal.throwIfCanceled()
ImageDecoder.decodeBitmap(source) { decoder, info, _ ->
val sampleSize =
getSampleSize(info.size.width, info.size.height, targetWidth, targetHeight)
val sampleSize = max(1, min(info.size.width / targetWidth, info.size.height / targetHeight))
decoder.setTargetSampleSize(sampleSize)
decoder.allocator = ImageDecoder.ALLOCATOR_SOFTWARE
decoder.setTargetColorSpace(ColorSpace.get(ColorSpace.Named.SRGB))
@ -216,15 +215,4 @@ class ThumbnailsImpl(context: Context) : ThumbnailApi {
ref.get()
}
}
private fun getSampleSize(fullWidth: Int, fullHeight: Int, reqWidth: Int, reqHeight: Int): Int {
return 1 shl max(
0, floor(
min(
log2(fullWidth / reqWidth.toDouble()),
log2(fullHeight / reqHeight.toDouble()),
)
).toInt()
)
}
}