michael@0: /*
michael@0:  * Copyright (C) 2013 Square, Inc.
michael@0:  *
michael@0:  * Licensed under the Apache License, Version 2.0 (the "License");
michael@0:  * you may not use this file except in compliance with the License.
michael@0:  * You may obtain a copy of the License at
michael@0:  *
michael@0:  *      http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing, software
michael@0:  * distributed under the License is distributed on an "AS IS" BASIS,
michael@0:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0:  * See the License for the specific language governing permissions and
michael@0:  * limitations under the License.
michael@0:  */
michael@0: package com.squareup.picasso;
michael@0: 
michael@0: import android.content.Context;
michael@0: import android.graphics.Bitmap;
michael@0: import android.media.ExifInterface;
michael@0: import android.net.Uri;
michael@0: import java.io.IOException;
michael@0: 
michael@0: import static android.media.ExifInterface.ORIENTATION_NORMAL;
michael@0: import static android.media.ExifInterface.ORIENTATION_ROTATE_180;
michael@0: import static android.media.ExifInterface.ORIENTATION_ROTATE_270;
michael@0: import static android.media.ExifInterface.ORIENTATION_ROTATE_90;
michael@0: import static android.media.ExifInterface.TAG_ORIENTATION;
michael@0: 
michael@0: class FileBitmapHunter extends ContentStreamBitmapHunter {
michael@0: 
michael@0:   FileBitmapHunter(Context context, Picasso picasso, Dispatcher dispatcher, Cache cache,
michael@0:       Stats stats, Action action) {
michael@0:     super(context, picasso, dispatcher, cache, stats, action);
michael@0:   }
michael@0: 
michael@0:   @Override Bitmap decode(Request data)
michael@0:       throws IOException {
michael@0:     setExifRotation(getFileExifRotation(data.uri));
michael@0:     return super.decode(data);
michael@0:   }
michael@0: 
michael@0:   static int getFileExifRotation(Uri uri) throws IOException {
michael@0:     ExifInterface exifInterface = new ExifInterface(uri.getPath());
michael@0:     int orientation = exifInterface.getAttributeInt(TAG_ORIENTATION, ORIENTATION_NORMAL);
michael@0:     switch (orientation) {
michael@0:       case ORIENTATION_ROTATE_90:
michael@0:         return 90;
michael@0:       case ORIENTATION_ROTATE_180:
michael@0:         return 180;
michael@0:       case ORIENTATION_ROTATE_270:
michael@0:         return 270;
michael@0:       default:
michael@0:         return 0;
michael@0:     }
michael@0:   }
michael@0: }