1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera.one.v2.photo; 18 19 import com.android.camera.app.OrientationManager; 20 21 import com.google.common.base.Supplier; 22 23 /** 24 * Based on the current device orientation, calculates the JPEG rotation that 25 * needs to be applied to render the resulting JPEG correctly. 26 */ 27 public interface ImageRotationCalculator { 28 29 /** 30 * Calculates the correct JPEG orientation based on the given sampled device 31 * orientation, and the sensor orientation. 32 * 33 * @return The JPEG rotation that needs to be applied to the final image. 34 */ 35 public OrientationManager.DeviceOrientation toImageRotation(); 36 37 /** 38 * Returns a supplier of the correct JPEG orientation based on the 39 * sampled device orientation and the sensor orientation. 40 * 41 * @return Supplier of the JPEG rotation that needs to be applied to the 42 * final image in degrees. 43 */ 44 public Supplier<Integer> getSupplier(); 45 } 46
