Flip capture thumb when using front facing camera

Bug: 10495008
Change-Id: I9f444625e64be35afe44b0d7f50d81fbd1936ae8

2 files changed, 18 insertions, 10 deletions

diff --git a/src/com/android/camera/PhotoModule.java b/src/com/android/camera/PhotoModule.java
index bb486cb62..09c7cf5ef 100644
--- a/src/com/android/camera/PhotoModule.java
+++ b/src/com/android/camera/PhotoModule.java
@@ -184,6 +184,8 @@ public class PhotoModule
     private int mDisplayOrientation;
     // The value for android.hardware.Camera.Parameters.setRotation.
     private int mJpegRotation;
+    // Indicates whether we are using front camera
+    private boolean mMirror;
     private boolean mFirstTimeInitialized;
     private boolean mIsImageCaptureIntent;
 
@@ -471,8 +473,8 @@ public class PhotoModule
         }
         initializeCapabilities();
         CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId];
-        boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT);
-        mFocusManager.setMirror(mirror);
+        mMirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT);
+        mFocusManager.setMirror(mMirror);
         mFocusManager.setParameters(mInitialParams);
         setupPreview();
 
@@ -752,7 +754,7 @@ public class PhotoModule
                             orientation, exif, mOnMediaSavedListener, mContentResolver);
                 }
                 // Animate capture with real jpeg data instead of a preview frame.
-                mUI.animateCapture(jpegData, orientation);
+                mUI.animateCapture(jpegData, orientation, mMirror);
             } else {
                 mJpegImageData = jpegData;
                 if (!mQuickCapture) {
@@ -1300,11 +1302,11 @@ public class PhotoModule
             mFocusManager.removeMessages();
         } else {
             CameraInfo info = CameraHolder.instance().getCameraInfo()[mCameraId];
-            boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT);
+            mMirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT);
             String[] defaultFocusModes = mActivity.getResources().getStringArray(
                     R.array.pref_camera_focusmode_default_array);
             mFocusManager = new FocusOverlayManager(mPreferences, defaultFocusModes,
-                    mInitialParams, this, mirror,
+                    mInitialParams, this, mMirror,
                     mActivity.getMainLooper(), mUI);
         }
     }
diff --git a/src/com/android/camera/PhotoUI.java b/src/com/android/camera/PhotoUI.java
index 7adb27f90..a29630f81 100644
--- a/src/com/android/camera/PhotoUI.java
+++ b/src/com/android/camera/PhotoUI.java
@@ -148,19 +148,25 @@ public class PhotoUI implements PieListener,
     private class DecodeTask extends AsyncTask<Integer, Void, Bitmap> {
         private final byte [] mData;
         private int mOrientation;
+        private boolean mMirror;
 
-        public DecodeTask(byte[] data, int orientation) {
+        public DecodeTask(byte[] data, int orientation, boolean mirror) {
             mData = data;
             mOrientation = orientation;
+            mMirror = mirror;
         }
 
         @Override
         protected Bitmap doInBackground(Integer... params) {
             // Decode image in background.
             Bitmap bitmap = CameraUtil.downSample(mData, DOWN_SAMPLE_FACTOR);
-            if (mOrientation != 0) {
+            if (mOrientation != 0 || mMirror) {
                 Matrix m = new Matrix();
-                m.postRotate(mOrientation);
+                m.preRotate(mOrientation);
+                if (mMirror) {
+                    // Flip horizontally
+                    m.setScale(-1f, 1f);
+                }
                 return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m,
                         false);
             }
@@ -308,9 +314,9 @@ public class PhotoUI implements PieListener,
         updateOnScreenIndicators(params, prefGroup, prefs);
     }
 
-    public void animateCapture(final byte[] jpegData, int orientation) {
+    public void animateCapture(final byte[] jpegData, int orientation, boolean mirror) {
         // Decode jpeg byte array and then animate the jpeg
-        DecodeTask task = new DecodeTask(jpegData, orientation);
+        DecodeTask task = new DecodeTask(jpegData, orientation, mirror);
         task.execute();
     }