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Merge "Avoid reading HW bitmap pixels twice" into oc-dev am: afe23b9b53

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am: 257a070939

Change-Id: I2fe3e48d06c55e30a4e6dcf2779f17b1fe1939cf
This commit is contained in:
Jorim Jaggi
2017-05-04 00:29:08 +00:00
committed by android-build-merger
parent e2c45a5e20 257a070939
commit 9328f32382
1 changed files with 4 additions and 2 deletions
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6
services/core/java/com/android/server/wm/TaskSnapshotPersister.java
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@@ -24,6 +24,7 @@ import android.annotation.TestApi;
import android.app.ActivityManager.TaskSnapshot;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.Bitmap.Config;
import android.os.Process;
import android.os.SystemClock;
import android.util.ArraySet;
@@ -266,12 +267,13 @@ class TaskSnapshotPersister {
final File file = getBitmapFile(mTaskId, mUserId);
final File reducedFile = getReducedResolutionBitmapFile(mTaskId, mUserId);
final Bitmap bitmap = Bitmap.createHardwareBitmap(mSnapshot.getSnapshot());
final Bitmap reduced = Bitmap.createScaledBitmap(bitmap,
final Bitmap swBitmap = bitmap.copy(Config.ARGB_8888, false /* isMutable */);
final Bitmap reduced = Bitmap.createScaledBitmap(swBitmap,
(int) (bitmap.getWidth() * REDUCED_SCALE),
(int) (bitmap.getHeight() * REDUCED_SCALE), true /* filter */);
try {
FileOutputStream fos = new FileOutputStream(file);
bitmap.compress(JPEG, QUALITY, fos);
swBitmap.compress(JPEG, QUALITY, fos);
fos.close();
FileOutputStream reducedFos = new FileOutputStream(reducedFile);
reduced.compress(JPEG, QUALITY, reducedFos);