Camera.java revision f0d6a48c6ad852b84687127f14b1ffde02416dc4
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.hardware; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant; 2010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant.SdkConstantType; 21a696f5d667227365da732481770767dcb330dd23Mathias Agopianimport android.graphics.ImageFormat; 224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Liimport android.graphics.Point; 2330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Liimport android.graphics.Rect; 24fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennisimport android.graphics.SurfaceTexture; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 28bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.util.Log; 29bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.Surface; 30bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.SurfaceHolder; 31bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li 32bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.io.IOException; 33bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.lang.ref.WeakReference; 34bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.ArrayList; 35bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.HashMap; 36bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.List; 37bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.StringTokenizer; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 41bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 42bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 43bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 44df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 45bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 467478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 48df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 49bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 507478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 51df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 52df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 53df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 54df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 55df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 58bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 59341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 105bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 106bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 107bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 108bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 109bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 110bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 111341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 112bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 113bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 114df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 115df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 116df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1177478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 118df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 123d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 124da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 125da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 126da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 127da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 128da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 129da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 130da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 131da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 132da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 1334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x200; 134f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li private static final int CAMERA_MSG_METADATA_FACE = 0x400; 1354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_ALL_MSGS = 0x4FF; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 143e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private FaceDetectionListener mFaceListener; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 14994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1504c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private boolean mFaceDetectionRunning = false; 1519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new picture is taken by the camera, and the entry of 15410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * the picture has been added to the media store. 15510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the picture. 15610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 15710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 15810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 15910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 16110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new video is recorded by the camera, and the entry 16210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * of the video has been added to the media store. 16310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the video. 16410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 16510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 16610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 16710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 1694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware face detection. It does not use much CPU. 1704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 1724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces(int) 1734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #CAMERA_FACE_DETECTION_SW 1744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 1754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public static final int CAMERA_FACE_DETECTION_HW = 0; 1774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Software face detection. It uses some CPU. Applications must use 1804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link #setPreviewTexture(SurfaceTexture)} for preview in this mode. 1814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #CAMERA_FACE_DETECTION_HW 1834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 1844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public static final int CAMERA_FACE_DETECTION_SW = 1; 1864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 188341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 189e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 190e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 191e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 192e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 193341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 195b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 197b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 198b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 199b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 200b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 201b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 2027836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2037836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 2047836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 205b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 2067836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 2077836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2087836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 2097836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 210b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 211b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 212b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 213b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The direction that the camera faces to. It should be 214b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 215b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2167836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 217b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 218b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 21932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 220b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 22132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 222b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 22332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 2242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 2252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 2262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 2272fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 22832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 229b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 230b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 23169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 23269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 23369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 23469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 235b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2367836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 237b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 238b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 239b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 240341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 241bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 242bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 243bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 244bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 245341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 246341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 247bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 248bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 249bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 250bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 252bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 253bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 254bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 255bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 256bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 257bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 258341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 259a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 260bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 261bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 262facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * example, if the camera is in use by another process or device policy 263facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * manager has disabled the camera). 264facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 265e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 266e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 267e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 268e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 269e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 270e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 271a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 272a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 273a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2747836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 277a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 278a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 279a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 280a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 281a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 282a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 283a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 284a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 285a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 288e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 293e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 305e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 3099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li native_release(); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 312e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 319bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 327bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 328bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 329bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 330bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 331bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 332bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 33542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 33642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 342bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 346bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, camera is automatically locked for applications in 35042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 35142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 35242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 35342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 355bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 356bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 357bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 359ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 364bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 365bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 366bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 36842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, camera is automatically locked for applications in 36942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 37042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 37142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 372bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 373bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 374bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 375bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 376bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 381bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 382fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 383fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 384fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 385fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 389bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 390bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 391bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 393bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 398bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 399bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 4009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 401bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 402bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 403bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 404bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 407b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 408b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 409b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 410b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 411b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 414dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 417fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 418fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 419fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 420fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 421fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 422fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 423fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 424fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 425fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 426fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 427fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 428fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 429fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 430fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 43132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 432e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 433e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 434e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 435e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 436e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 437fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 438fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 439fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 440fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 441fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 442fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 443dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 444fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 445fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 446bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 447bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 448bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 449bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 450bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 451bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 452bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 457bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 458341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 461a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 462df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 463da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 466bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 472bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 473c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 474c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 475c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 476bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 479bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 480bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 481bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 487bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4894c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 4904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 4914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 4924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 4934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 4944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 4959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 5039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 505bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 506bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 507bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 508bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 510bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 511bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 51694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 517a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 518a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 51994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 523bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 524bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 525bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 526bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 528bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 529bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 53294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 53394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 53494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 53594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 53694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 53794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 53894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 53994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 54094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 541bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 542bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 543bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 544bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 545bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 54694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 547bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 548bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 549bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 550bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 55194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 552bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 553bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 554bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 55594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 556bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 557bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 558bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 55994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 56094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 56194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 56294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 56394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 56494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 56794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 570bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 571bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 572bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 573bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 574bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 575c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 576bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 577e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 578e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 579bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 580bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 581bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 58294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 583bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 584e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 585bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 586bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 59094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 591bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 592bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5935b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 59494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 595e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 596e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 597e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 598e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 599e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 600e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 601e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 602e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 603e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 604e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 605e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 606e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 607e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 608e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 609e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 610e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 611e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 612e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 613e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 614e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 615e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 616e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 617e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 618e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 619e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 620e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 621e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 62232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 62332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 62432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 62532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 62632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 62732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 628e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 629e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 630e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 631e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 632e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 633e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 634e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 635e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 636e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 637e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 638e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 639e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 640e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 648e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 649e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 650e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 651e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 652e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 653e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 654e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 655e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 656e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 670c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 675c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 676c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 677e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 679e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 682c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 683e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 685e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 688c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 690a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 692a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 693a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 694a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 69694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 697a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 698a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 699a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 70094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 702a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 706e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 707e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 708e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 709e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 710e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 711e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 712c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 713e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 715e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 716e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 717e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 718e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 721e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 724f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li case CAMERA_MSG_METADATA_FACE: 7254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 726f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 730c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 732e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 734e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 758bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 759bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 7607478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 7617478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 762df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 763df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 7647478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 765df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 766df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 767bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 768bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 77369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 77469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 77569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 77669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 77883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * The auto-focus routine may lock auto-exposure and auto-white balance 77983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * after it completes. To check for the state of these locks, use the 78083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoExposureLock()} and 78183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 78283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * methods. If such locking is undesirable, use 78383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoExposureLock(boolean)} 78483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * and 78583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean)} 78683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * to release the locks. 78783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 79083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 79183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 797bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 798bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 799bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 800bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 801bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 802bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 803bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 804bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 80536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 806bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 807da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 8087478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8097478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 810df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 811df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 812bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 813068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 814068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 815bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8167478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 81783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * The auto-focus routine may lock auto-exposure and auto-white balance 81883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * after it completes. To check for the state of these locks, use the 81983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoExposureLock()} and 82083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 82183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * methods after the {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 82283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * callback is invoked. If such locking is undesirable, use 82383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoExposureLock(boolean)} 82483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * and 82583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean)} 82683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * to release the locks. 82783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 829bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 83083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 83183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 841bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 842bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 843bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 844244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 845bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 84683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * Canceling auto-focus will return the auto-exposure lock and auto-white 84783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * balance lock to their state before {@link #autoFocus(AutoFocusCallback)} 84883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * was called. 84983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 850bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 85183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 85283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 853244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 854244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 855244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 856244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 857244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 858244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 859244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 860244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 861244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 862bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 863bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 864bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 869bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 870bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 871bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 872bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 873bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 879bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 880bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 881bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 885bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 886bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 887bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 8889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 896bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 8979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 898bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 902e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 903e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 904e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 905e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 906e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 9089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 9099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 9109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 9119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 912e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 913e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 9149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 9159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 9169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 9179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 9189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 919e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 920bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 921bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 922bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 92342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 92442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 92542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 92640057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 927bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 928bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 92940057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 930bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 931bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 932e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 933bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 934e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 935e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 936e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 939e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 941e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 942e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 943e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 944e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 945e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 946e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 947e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 948e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 949e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 950e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 951e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 952e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 953e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 954e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 955e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 956e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 957e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 960e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 961bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 9623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 9633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 964bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 965bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 966bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 967bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 968bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 969bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 970bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 971bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 972bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 97336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 97436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 97536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 9760ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 9770ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 978bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 97936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 98036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 98136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 98236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 983bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 9843f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 9853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 9868cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 9870ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 9880ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 98936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 99036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 99136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 99236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 9932fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 9942fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 9952fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 996b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 997b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 998b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 999d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 100069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 10012fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 10022fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 1003d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 100469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 100569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 1006b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 1007724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 1008724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1009724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1010724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1011724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1012724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1013724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1014724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1015724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1016724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1017724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1018724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1019724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1020724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1021b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 10222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 10232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 10242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 10252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 10262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 10272fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 10282fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1029724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1030724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1031b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1032d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1033e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1034e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 10352fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1036d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1037d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1038d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1039d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1040bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1041bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1042bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1043bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1044e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1046e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1047e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1048bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 104936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 105036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 10513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 105236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 105336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1054e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1055e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1057e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1058e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1059e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 10603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 106136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 10628cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 10633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 10648cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1065e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1067e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 10683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1069e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 10709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 10724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 10734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 10744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 10754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 10764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 10774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 10784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 10794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 10804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1081f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * @param faces the detected faces. The list is sorted by the score. 1082f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The highest score is the first element. 10834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param camera the Camera service object 10844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1085f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 10864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 10874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 10884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 10894c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Registers a listener to be notified about the face detected of the 10904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 10914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 10924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 10934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 10944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 10954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 10964c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 10974c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 10984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 10994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Start the face detection. This should be called after preview is started. 11034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 11044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 11054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 11064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 11074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Parameters#getMaxNumDetectedFaces(int)} returns a number larger than 0. 11084c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware and software face detection cannot be used at the same time. 11094c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 11104c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * In hardware face detection mode, {@link Parameters#setWhiteBalance(String)}, 11124c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 11134c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * have no effect. 11144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param type face detection type. This can be either {@link 11164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * #CAMERA_FACE_DETECTION_HW} or {@link #CAMERA_FACE_DETECTION_SW} 11174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws IllegalArgumentException if the face detection type is 11184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * unsupported or invalid. 11194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 11204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 11214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #CAMERA_FACE_DETECTION_HW 11224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #CAMERA_FACE_DETECTION_SW 11234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 11244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 11254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces(int) 11264c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 11274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void startFaceDetection(int type) { 11294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (type != CAMERA_FACE_DETECTION_HW && type != CAMERA_FACE_DETECTION_SW) { 11304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new IllegalArgumentException("Invalid face detection type " + type); 11314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 11334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 11344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _startFaceDetection(type); 11364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 11374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Stop the face detection. 11414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 11444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 11464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 11474c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 11484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11494c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11504c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 11514c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 11524c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1154f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The information of a face from camera face detection. 11554c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11564c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 11574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1158f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 11594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11604c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 11614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1162f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the field of view. The width and height cannot be 0 or negative. This 1163f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * is supported by both hardware and software face detection. 1164f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1165f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1166f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 1167f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}.</p> 11684c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1171f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li Rect rect; 11724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The confidence level of the face. The range is 1 to 100. 100 is the 11754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * highest confidence. This is supported by both hardware and software 11764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * face detction. 11774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li int score; 11814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * An unique id per face while the face is visible to the tracker. If 11844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * the face leaves the field-of-view and comes back, it will get a new 11854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * id. If the value is 0, id is not supported. 11864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li int id; 11884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11894c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1190f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The coordinates of the center of the left eye. The range is -1000 to 1191f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1000. null if this is not supported. 11924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li Point leftEye; 11944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1196f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The coordinates of the center of the right eye. The range is -1000 to 1197f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1000. null if this is not supported. 11984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li Point rightEye; 12004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1202f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The coordinates of the center of the mouth. The range is -1000 to 1203f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1000. null if this is not supported. 12044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 12054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li Point mouth; 12064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1208bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1209bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1210bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1211bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1212bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1213bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1215bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1216bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1217bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1218bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1219bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1220bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 12229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1224bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1225bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1226bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1244bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1255bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 12569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 125899a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1259bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1266bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1267bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1268bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1269bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1270bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1280bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 12859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12934c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 12944c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 12954c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 12964c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 12974c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 12984c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 12994c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 13004c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 13014c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 13024c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 13034c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 13044c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13054c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 13064c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 13074c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13084c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 13094c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 13104c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 13114c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 131932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 132032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 132132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 132232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 132332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 132432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 132532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 132632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 132732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 132832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 132932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 133032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 133132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 133232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 133332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 133432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 133532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 133632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 133732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 133832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 133932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 134032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1341bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1342bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1343bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1344bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1345bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1346bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1347bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 134830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 134930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 135030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 135130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 135230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 135332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 135432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 135530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 135630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 135730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 135830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 135930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 136030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 136130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 136230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 136330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 136430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 136530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 136630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 136730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 136830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 136930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 137030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 137130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 137230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 137330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 137430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 137530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 137630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 137730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 137830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 137930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 138030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1381bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 138232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 138332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 138432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 138532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 138632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1387bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1388bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1389bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1390bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 139130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 139230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1393bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 139432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 139532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 139632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 139732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 139832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1399bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1400bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1401bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1402bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 140330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1404bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 140530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 140630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1407bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 14089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1410bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1411bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1412bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1413bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 14149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 14169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 14179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1418bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1419bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1420bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1421bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 14249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 14259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 14269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 14279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1428454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 14299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 14309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 14314c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 14329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 14339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 14349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 14359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 14369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 14379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 14389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 14399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 14409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1441055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 14429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 14439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 14449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 14459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 14469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 144736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 144830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 144930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 14506c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 14516c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 14526c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1453ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 145424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 145524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 145624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 14573773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 14583773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1459d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1460d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1461e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1462e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 14638cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 14648cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 14658cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 14668cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 14678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1468e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1469dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1470dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1471dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 14724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 14734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 1474e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 14759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 14769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 14779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14788cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 14793773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 14808cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 14819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 14829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 14839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 14849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 14859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 14869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 14879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 14889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 14899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 14909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 14929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 14939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 14949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 14959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 14969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 14979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 14989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 14999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 15009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 15019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 15039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 15049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 15059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 15069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 15079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 15099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 15119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 151336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1515068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1516068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 15179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 151936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1521068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1522068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 15239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 152536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 15289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 153036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 153136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1532068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1533068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 153436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1535068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 15369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 153700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 153800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 153900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 154100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 154200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 154300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 154400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 154500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 154700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 154800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 154900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 155000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 155200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 155300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 155400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 155500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 155700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 155800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 155900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 156000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 156200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 156300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 156400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 156500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 156700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 156800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 156900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 157000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 157200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 157300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 157400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 157500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 157700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 157800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 157900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 158000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 158200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 158300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 158400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 158500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 158700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 158800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 158900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 159000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 159200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 159300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 159400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 159500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 159700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 159800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 159900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 160000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 160100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 160300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 160400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 160500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 160600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 160800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 160900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 161000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 161100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 16139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1614c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1615c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1616c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1617c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1618c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1619c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 162036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1621f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1622f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 162336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 162436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 162536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 162636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 162736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 162836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 162936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 163036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1631f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1632f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1633f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1634f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1635f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1636f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 163736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 163836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 163936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 164036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 164136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 164236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 164336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 164436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 164536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 164636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1647c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1648c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1649c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1650c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1651c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1652c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1653c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1654699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1655d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1656d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * continuously tries to focus. This is ideal for shooting video. 1657d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Applications still can call {@link 1658d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 1659d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Camera.PictureCallback)} in this mode but the subject may not be in 1660d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus. Auto focus starts when the parameter is set. Applications 1661d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * should not call {@link #autoFocus(AutoFocusCallback)} in this mode. 1662d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * To stop continuous focus, applications should change the focus mode 1663d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * to other modes. 1664d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1665d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1666699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1667e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1668e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1669e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1670e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1671e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1672e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1673e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1674e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1675e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1676e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1677e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1678e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1679e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1680e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1681e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1682e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1683e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1684e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1685e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1686ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1687454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1688454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1689454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1690454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1691454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1692454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1693454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1694454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1695454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1696454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1697454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1698454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1699454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 17009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 17019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 17029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1703eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 170410a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 17059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 17069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 17079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 17309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 17519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 17579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 17779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 17969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1804e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1805f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1806f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1807f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1808f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1809f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1810f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1811f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1812f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1813f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1814f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1815f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1816f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1817f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1818f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1819f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1820f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1821f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1822f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1823f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1824f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1825f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1826e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1827e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1828e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 18319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 18419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 185026274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 185126274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 185226274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 18539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1854c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1855c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1856c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1857c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1858c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1859c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1860c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1861c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1862c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1863c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1864c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1867c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1868c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1869c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1870c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 18749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 18799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1880dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 18849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 18859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 18869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 18909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 18929c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 18939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 18959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 18969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 190032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 190132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 1902dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 190332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 1904dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1905dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1906dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1907dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 190832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 1909dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1910dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1911dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1912dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1913dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1914dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1915dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1916dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1917dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1918dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1919dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1920dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1921dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1922dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1923dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1924dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1925dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1926dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1927dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1928dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1929dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1930dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1931dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1932dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1933dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1934dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1935dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1936dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1937dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1938dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1939dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 194032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 19414c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 194232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 19439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 194432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 194532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 1946c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1949c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 19509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 19529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 19539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 19549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 19609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 19649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19684c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 19694c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 19703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 19714c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 19724c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 19734c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 19744c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 19754c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 19764c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 19774c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 19784c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 19794c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 19809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 19839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 19869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 19959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 20029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 20039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 20059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 20069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 20109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 20149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2018a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2019a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 20225f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20245f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 20269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2030a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2031a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2032a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 20339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 20355f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20375f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 20399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 20409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 20449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 20463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 20475f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 20489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20495f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 20519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 20529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2056454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 20571620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2058454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2059454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2060454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2061454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2062454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2063454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2064454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2065454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2066454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2067454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2068454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2069454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2070454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2071454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2072454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2073454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2074454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2075454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2076454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2077454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2078454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2079454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2080454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2081454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2082454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 20835f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2084454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2085454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2086454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2087454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2088454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2089454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2090454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2091454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2092454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2093454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2094454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2095454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2096454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2097454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2098454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2099454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2100454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2101454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2102454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2103454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2104454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2105454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2106454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2107454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2108454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2109454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2110454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 21117478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2112da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2113a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2114df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 21157478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2116df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 2117a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 2118a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 2119a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2120a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2121a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 21269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 21279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 21359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 21367478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 21373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 21383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 21419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2145f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2146f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2147f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 21489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 21503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 21513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 21529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 21549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2155eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2156eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2157eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2158a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2159eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2160eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2161eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 216532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 216732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 216832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2169c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 21719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2172c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2173c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 21779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 21829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 21879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 21889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 21899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 21939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 21953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 21969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 21989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 21999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 22049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2206a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2207a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2208a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2209a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 22149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 22159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 22199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 22239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 22253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 22289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 22299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 22339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 22353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 22363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 22399c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 22409c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 22419c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 22429c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2243a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 22449c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 22459c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 22469c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2251a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2252a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2253a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 225410a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2255a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2256a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 2257a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2263a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2266a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2269a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2271eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2272a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2273eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 227410a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 227510a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 227610a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 22779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2278a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2281a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2283a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22872fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 22882fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 22892fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 22902fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 22912fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 22922fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 22932fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 22949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 229569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 22962fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 22972fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 22982fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 22992fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 230069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 23012fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 23022fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 23032fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 23042fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 23059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 230669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 23072fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 23082fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 23092fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 23102fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 23112fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 23122fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 231369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 23142fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 231569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <pre> 23162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * public void public void onOrientationChanged(int orientation) { 23172fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 23182fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 23192fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 23202fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 23212fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 23222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 23232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 23242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 23252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 23262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 23272fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 23282fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 23292fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 233069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * </pre> 23312fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 23322fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 23332fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 23342fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 23359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 23369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 23372fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 23389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 23409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 23419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 23429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 23439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 23449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 23469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 23519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 23529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 23549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 23569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 23579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 23619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 23629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 23649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 23669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 23679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 23719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 23739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 23759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 23769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 23809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 23829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 23839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 23859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 23869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2389e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2390055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2391055c986ab841f8f758398841730f1e90313b132aRay Chen * 2392055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2393055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2394055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2395055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2396055c986ab841f8f758398841730f1e90313b132aRay Chen } 2397055c986ab841f8f758398841730f1e90313b132aRay Chen 2398055c986ab841f8f758398841730f1e90313b132aRay Chen /** 23999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 24009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 24019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 24039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 24049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 24059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 24069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2407055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 24089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 24129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 24143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 24153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 24163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 24173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 24183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 24193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 24203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 24213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 24223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 24233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 24249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 24269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 24279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the white balance. 24319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 24333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 24349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 24369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 24379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 24419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 24433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 24443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 24459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 24479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 24489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 24499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 24539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 24559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 24563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 24573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 24583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 24593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 24603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 24613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 24623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 24633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 24643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 24659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 24689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 24729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 24743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 24759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 24779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 24789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 24829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 24849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 24853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 24869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 24909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 24959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 24973f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 24983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 24993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 25003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 25013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 25029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 25049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 25113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 25199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 25213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 25223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 25239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 25259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 25269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 25319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 25339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 25343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 25353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 25363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 25373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 25383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 25393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 25403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 25413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 25423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 25433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 25443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 25453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 25463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 25473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 25483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 25499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 25519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 25529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2555c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2556c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2557c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2558c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2559c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 25602988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 25612988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 25643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 25659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 25729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 25743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 25753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 25769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 25789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 25799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 25863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 25873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 25883f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 25893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 25903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 25913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 25929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 25949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 25959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 25999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 26013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 26029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 26049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 26059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 26099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 26113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 26123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 26139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 26159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 26169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 261936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 262036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 262136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2622699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2623699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2624699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2625699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 26263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 26273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 26283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 26293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2630f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2631d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 263236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 263336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 263436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 263536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 263636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 263736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 263836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 263936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 26403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 26413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 264236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 264336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 264436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 264536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 264636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 264736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 264836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 264936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 26503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 26513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 26523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 265336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 265436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 265536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 265636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 265736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 265836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 265936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 26606c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 26616c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26626c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 26636c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 26646c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26656c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 26666c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 26676c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26686c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26696c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 26706c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 26716c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26726c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 26736c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 26746c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26756c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 26766c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 26776c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26786c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26796c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 26806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 26816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26826c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 26836c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 26846c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26856c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 26866c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 26876c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26886c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26896c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 269024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2691ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 269224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 269324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 269424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 269524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2696ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2697ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 269824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2699ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2700ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2701ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 270224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2703ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 27040402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 27050402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 270624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 270724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 270824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 270924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2710ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2711ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2712ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2713ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2714ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2715ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 271624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2717ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 271824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 271924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 272024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 272124b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 272224b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 272324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 272424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 272524b326a8978bf78e3e560723dde221792784325bWu-cheng Li 272624b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 272724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 272824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 272924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 273024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 273124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2732ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 273324b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 273424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 273524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 273624b326a8978bf78e3e560723dde221792784325bWu-cheng Li 273724b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 273824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 273924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 274024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 274124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 274224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 274324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 274424b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 274524b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 274624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2747ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2748ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2749ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2750d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2751d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 27523773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2753d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2754d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2755d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2756d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2757d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2758d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2759d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2760d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2761d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2762d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2763d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2764d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same AE parameters.</p> 2765d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2766d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2767d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2768d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example.</p> 2769d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2770d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 27713773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 27723773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 27733773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2774d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2775d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 27763773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2777d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-exposure after 2778d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2779d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-exposure lock to false after the 27803773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 27813773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * received. The {@link #getAutoExposureLock()} method can be used after 27823773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * the callback to determine if the camera has locked auto-exposure 2783d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * independently.</p> 27843773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 27853773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 27863773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 27873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 27883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2789d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 27903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 27913773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 27923773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 27933773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 27943773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 27953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 27963773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 27973773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 27983773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 27993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28003773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 28013773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is currently locked, and false otherwise. The 28023773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure lock may be independently enabled by the camera 28033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * subsystem when auto-focus has completed. This method can be 28043773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * used after the {@link AutoFocusCallback#onAutoFocus(boolean, 28053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Camera)} callback to determine if the camera has locked AE. 28063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 28083773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28093773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 28103773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 28113773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 28123773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 28133773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 28143773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 28153773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 28163773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 28173773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 28183773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 28193773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28203773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 28213773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 28223773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28233773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 28243773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 28253773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 28263773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 28273773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 28283773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 28293773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 2830d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 2831d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 2832d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 2833d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2834d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 2835d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 2836d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2837d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 2838d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 2839d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 2840d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2841d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2842d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2843d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2844d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2845d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same white balance parameters.</p> 2846d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2847d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2848d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2849d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example. Auto-white balance 2850d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * state, including the lock state, will not be maintained after camera 2851d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #release()} is called. Locking auto-white balance after 2852d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #open()} but before the first call to {@link #startPreview()} 2853d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * will not allow the auto-white balance routine to run at all, and may 2854d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * result in severely incorrect color in captured images.</p> 2855d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2856d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-white balance after 2857d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2858d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-white balance lock to false after the 2859d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 2860d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * received. The {@link #getAutoWhiteBalanceLock()} method can be used 2861d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * after the callback to determine if the camera has locked auto-white 2862d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * balance independently.</p> 2863d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2864d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 2865d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 2866d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 2867d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2868d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 2869d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2870d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 2871d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 2872d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2873d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2874d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2875d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 2876d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 2877d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 2878d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 2879d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2880d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 2881d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 2882d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * otherwise. The auto-white balance lock may be independently 2883d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * enabled by the camera subsystem when auto-focus has 2884d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * completed. This method can be used after the 2885d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 2886d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * callback to determine if the camera has locked AWB. 2887d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2888d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2889d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2890d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2891d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 2892d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 2893d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2894d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2895d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2896d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2897d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 2898d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 2899d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 2900d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2901d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 2902d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2903d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2904d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2905d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 2906d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 2907d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2908d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2909d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2910d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 291136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 29128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 29138cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 291436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 291536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 29168cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 291736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 291836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 29198cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 292036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 292136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 292236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 29238cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 29248cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 29258cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 29268cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 29278cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 29288cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 292936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 293036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 293136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 293236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 29338cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 293436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 293536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 293636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 293736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 293836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 293936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 294036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 294136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 294236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 29438cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 29448cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 294536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 294636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 294736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 294836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 294936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 29508cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 29518cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 29528cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 295336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 295436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 295536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 295636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 29578cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 295836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 295936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 296036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 29618cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 29628cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 296336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 29648cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 29658cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 29668cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 29678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 29688cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 296936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 29708cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 29718cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 297236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 297336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 297436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 297536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 297636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 297736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 297836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 297936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 298036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 29818cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 29828cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 298336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 298436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 2985e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 298632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 2987e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 298832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 2989e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 299032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 2991e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 2992e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 2993e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 2994d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 299532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 2996699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 299732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 2998699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 2999699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3000699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 300132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3002e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 300332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3004185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 300532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3006e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3007e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3008e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3009e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3010185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3011185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3012185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3013e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3014e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3015e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3016e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3017e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 3018e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3019454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3020e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3021e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 302230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 302330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 30247b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 30257b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 302630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 302730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 302830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 302930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 303030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 303130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 303230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 303330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 303430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 303532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 303632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 303730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 303832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 30397b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 304032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 304130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 304232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 304330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 304430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 304530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 304630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3047bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 304832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 304930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 305032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 30514e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 30524e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 30534e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 30544e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 305532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 305630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 305732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 305832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 305932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 306032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 306132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 306230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 306332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 306430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 306530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 306630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 306732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 306830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 306932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 307030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, or 307132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}.</p> 307230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 307330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 307430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 307530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3076f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 307730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 307830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 307930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 308030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 308130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 30827b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 308330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 308430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3085e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3086e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3087e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3088e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3089e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3090e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 30917b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 30927b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3093e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3094e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3095e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3096e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3097e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3098e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3099e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3100e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3101e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 310232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 310332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3104e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 310532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 31067b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 31077b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 310832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3109e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 311032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3111e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3112e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3113e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3114e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3115bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 311632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3117e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 311832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 31194e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 31204e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 31214e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 312232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3123e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 312432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 312532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 312632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 312732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 312832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3129e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 313032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3131e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3132e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3133e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 313432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3135e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 313632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 313732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3138e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3139e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3140e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3141e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3142d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3143e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3144e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3145e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3146e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3147e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3148e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 31497b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3150e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3151e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3152e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3153e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 315430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 315530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 31564c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 31574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 31584c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 31594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 31604c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 31614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 31624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 31634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 31644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @hide 31654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 31664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public int getMaxNumDetectedFaces(int type) { 31674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (type == CAMERA_FACE_DETECTION_HW) { 31684c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 31694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } else if (type == CAMERA_FACE_DETECTION_SW){ 31704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_SW, 0); 31714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 31724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new IllegalArgumentException("Invalid face detection type " + type); 31734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 31744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 31759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 31769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 31779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 31789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 31799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 31809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 31819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 31829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 31839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 31849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 31859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 31869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 31879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 31889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 31899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 31909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 31919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 31929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 31939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 31949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 31959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 31969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 31979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 31989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 31999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 32019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 32029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3204454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3205454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3206454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3207454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3208454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3209454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3210454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3211454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3212454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3213454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3214454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3215e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3216454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3217454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3218e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3219e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3220454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3221e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3222e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3223454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3224e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3225e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3226e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 322724b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 322824b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 322924b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 323024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 323124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 323224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 323324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 323424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 323524b326a8978bf78e3e560723dde221792784325bWu-cheng Li 323624b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 323724b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 323824b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 323924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 324024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 324124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 324224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 324324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 324424b326a8978bf78e3e560723dde221792784325bWu-cheng Li 32459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 32469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 32479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 32489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 32499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 32519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 32529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 32539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 32549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 32559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 32579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 32589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 32619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 32629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 32639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 32649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 32669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 32679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 32689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 32699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 32709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 32719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 32739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 32749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3275454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3276454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3277454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3278454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3279454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3280454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3281454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3282454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3283454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3284454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3285454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3286454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3287454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3288454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3289454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3290454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3291454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3292454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3293454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3294454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3295454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3296454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3297454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3298454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3299454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 330030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 330130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 330230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3303f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 330430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 330530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 330630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 330730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 330830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 330930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 331030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 331130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 331230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 331330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 331430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 331530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 331630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 331730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 331830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 331930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 332030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 332130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 332230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 332330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3324f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3325f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3326bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3327f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3328f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3329f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3330f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3331f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3332f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3333f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 333430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 333530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 33369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 33379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3338