From 21a2e9cb07caba660120b7f5eba6e053a6cb3ac3 Mon Sep 17 00:00:00 2001
From: Sascha Haeberling <haeberling@google.com>
Date: Fri, 27 Sep 2013 14:38:39 -0700
Subject: Add basic EXIF to the tiny planet so that rotate succeeds.

  Bug: 10861115

Change-Id: I1eec2bf4d6879c227a07c5364bc821749ace312b
---
 src/com/android/camera/data/RotationTask.java      |  1 +
 .../camera/tinyplanet/TinyPlanetFragment.java      | 26 +++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/com/android')

diff --git a/src/com/android/camera/data/RotationTask.java b/src/com/android/camera/data/RotationTask.java
index 8daead156..85fbffa77 100644
--- a/src/com/android/camera/data/RotationTask.java
+++ b/src/com/android/camera/data/RotationTask.java
@@ -103,6 +103,7 @@ public class RotationTask extends AsyncTask<LocalData, Void, LocalData> {
             if (tag != null) {
                 exifInterface.setTag(tag);
                 try {
+                    // Note: This only works if the file already has some EXIF.
                     exifInterface.forceRewriteExif(filePath);
                     long fileSize = new File(filePath).length();
                     values.put(Images.Media.SIZE, fileSize);
diff --git a/src/com/android/camera/tinyplanet/TinyPlanetFragment.java b/src/com/android/camera/tinyplanet/TinyPlanetFragment.java
index c49f77ef0..9cde87b16 100644
--- a/src/com/android/camera/tinyplanet/TinyPlanetFragment.java
+++ b/src/com/android/camera/tinyplanet/TinyPlanetFragment.java
@@ -44,14 +44,18 @@ import com.adobe.xmp.XMPMeta;
 import com.android.camera.CameraActivity;
 import com.android.camera.MediaSaveService;
 import com.android.camera.MediaSaveService.OnMediaSavedListener;
+import com.android.camera.exif.ExifInterface;
 import com.android.camera.tinyplanet.TinyPlanetPreview.PreviewSizeListener;
 import com.android.camera.util.XmpUtil;
 import com.android.camera2.R;
 
 import java.io.ByteArrayOutputStream;
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 import java.util.Date;
+import java.util.TimeZone;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 
@@ -358,7 +362,27 @@ public class TinyPlanetFragment extends DialogFragment implements PreviewSizeLis
 
         ByteArrayOutputStream jpeg = new ByteArrayOutputStream();
         resultBitmap.compress(CompressFormat.JPEG, 100, jpeg);
-        return new TinyPlanetImage(jpeg.toByteArray(), outputSize);
+        return new TinyPlanetImage(addExif(jpeg.toByteArray()), outputSize);
+    }
+
+    /**
+     * Adds basic EXIF data to the tiny planet image so it an be rewritten
+     * later.
+     *
+     * @param jpeg the JPEG data of the tiny planet.
+     * @return The JPEG data containing basic EXIF.
+     */
+    private byte[] addExif(byte[] jpeg) {
+        ExifInterface exif = new ExifInterface();
+        exif.addDateTimeStampTag(ExifInterface.TAG_DATE_TIME, System.currentTimeMillis(),
+                TimeZone.getDefault());
+        ByteArrayOutputStream jpegOut = new ByteArrayOutputStream();
+        try {
+            exif.writeExif(jpeg, jpegOut);
+        } catch (IOException e) {
+            Log.e(TAG, "Could not write EXIF", e);
+        }
+        return jpegOut.toByteArray();
     }
 
     private int getDisplaySize() {
-- 
cgit v1.2.3