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[android] improve bitmap transformation hashKey and DiskCacheKey

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This commit is contained in:
Torsten Grote
2018-11-20 11:48:44 -02:00
parent dd5ad86db8
commit 152ac3df43
1 changed files with 4 additions and 4 deletions
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8
briar-android/src/main/java/org/briarproject/briar/android/conversation/glide/ImageCornerTransformation.java
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@@ -98,14 +98,14 @@ class ImageCornerTransformation extends BitmapTransformation {
@Override
public int hashCode() {
return ID.hashCode() + smallRadius * 100 + radius * 10 +
(leftCornerSmall ? 9 : 8) + (bottomRound ? 7 : 6);
return ID.hashCode() + (smallRadius << 16) ^ (radius << 2) ^
(leftCornerSmall ? 2 : 0) ^ (bottomRound ? 1 : 0);
}
@Override
public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
messageDigest.update((ID + smallRadius + radius + leftCornerSmall +
bottomRound).getBytes(CHARSET));
messageDigest.update((ID + '|' + smallRadius + '|' + radius + '|' +
leftCornerSmall + '|' + bottomRound).getBytes(CHARSET));
}
}