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Diffstat (limited to 'src/com/android/camera/data/RotationTask.java')
| -rw-r--r-- | src/com/android/camera/data/RotationTask.java | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/com/android/camera/data/RotationTask.java b/src/com/android/camera/data/RotationTask.java deleted file mode 100644 index 8daead156..000000000 --- a/src/com/android/camera/data/RotationTask.java +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright (C) 2013 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.camera.data; - -import android.app.ProgressDialog; -import android.content.ContentValues; -import android.content.Context; -import android.os.AsyncTask; -import android.provider.MediaStore.Images; -import android.util.Log; - -import com.android.camera.data.LocalMediaData.PhotoData; -import com.android.camera.exif.ExifInterface; -import com.android.camera.exif.ExifTag; -import com.android.camera2.R; - -import java.io.File; -import java.io.FileNotFoundException; -import java.io.IOException; - -/** - * RotationTask can be used to rotate a {@link LocalData} by updating the exif - * data from jpeg file. Note that only {@link PhotoData} can be rotated. - */ -public class RotationTask extends AsyncTask<LocalData, Void, LocalData> { - private static final String TAG = "CAM_RotationTask"; - private final Context mContext; - private final LocalDataAdapter mAdapter; - private final int mCurrentDataId; - private final boolean mClockwise; - private ProgressDialog mProgress; - - public RotationTask(Context context, LocalDataAdapter adapter, - int currentDataId, boolean clockwise) { - mContext = context; - mAdapter = adapter; - mCurrentDataId = currentDataId; - mClockwise = clockwise; - } - - @Override - protected void onPreExecute() { - // Show a progress bar since the rotation could take long. - mProgress = new ProgressDialog(mContext); - int titleStringId = mClockwise ? R.string.rotate_right : R.string.rotate_left; - mProgress.setTitle(mContext.getString(titleStringId)); - mProgress.setMessage(mContext.getString(R.string.please_wait)); - mProgress.setCancelable(false); - mProgress.show(); - } - - @Override - protected LocalData doInBackground(LocalData... data) { - return rotateInJpegExif(data[0]); - } - - /** - * Rotates the image by updating the exif. Done in background thread. - * The worst case is the whole file needed to be re-written with - * modified exif data. - * - * @return A new {@link LocalData} object which containing the new info. - */ - private LocalData rotateInJpegExif(LocalData data) { - if (!(data instanceof PhotoData)) { - Log.w(TAG, "Rotation can only happen on PhotoData."); - return null; - } - - PhotoData imageData = (PhotoData) data; - int originRotation = imageData.getOrientation(); - int finalRotationDegrees; - if (mClockwise) { - finalRotationDegrees = (originRotation + 90) % 360; - } else { - finalRotationDegrees = (originRotation + 270) % 360; - } - - String filePath = imageData.getPath(); - ContentValues values = new ContentValues(); - boolean success = false; - int newOrientation = 0; - if (imageData.getMimeType().equalsIgnoreCase(LocalData.MIME_TYPE_JPEG)) { - ExifInterface exifInterface = new ExifInterface(); - ExifTag tag = exifInterface.buildTag( - ExifInterface.TAG_ORIENTATION, - ExifInterface.getOrientationValueForRotation( - finalRotationDegrees)); - if (tag != null) { - exifInterface.setTag(tag); - try { - exifInterface.forceRewriteExif(filePath); - long fileSize = new File(filePath).length(); - values.put(Images.Media.SIZE, fileSize); - newOrientation = finalRotationDegrees; - success = true; - } catch (FileNotFoundException e) { - Log.w(TAG, "Cannot find file to set exif: " + filePath); - } catch (IOException e) { - Log.w(TAG, "Cannot set exif data: " + filePath); - } - } else { - Log.w(TAG, "Cannot build tag: " + ExifInterface.TAG_ORIENTATION); - } - } - - PhotoData result = null; - if (success) { - // Swap width and height after rotation. - int oldWidth = imageData.getWidth(); - int newWidth = imageData.getHeight(); - int newHeight = oldWidth; - values.put(Images.Media.WIDTH, newWidth); - values.put(Images.Media.HEIGHT, newHeight); - - // MediaStore using SQLite is thread safe. - values.put(Images.Media.ORIENTATION, finalRotationDegrees); - mContext.getContentResolver().update(imageData.getContentUri(), - values, "_id=?", - new String[] { - String.valueOf(imageData.getId()) }); - - double[] latLong = data.getLatLong(); - double latitude = 0; - double longitude = 0; - if (latLong != null) { - latitude = latLong[0]; - longitude = latLong[1]; - } - - result = new PhotoData(data.getId(), data.getTitle(), - data.getMimeType(), data.getDateTaken(), data.getDateModified(), - data.getPath(), newOrientation, newWidth, newHeight, - data.getSizeInBytes(), latitude, longitude); - } - - return result; - } - - @Override - protected void onPostExecute(LocalData result) { - mProgress.dismiss(); - if (result != null) { - mAdapter.updateData(mCurrentDataId, result); - } - } -} |