The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.hardware; |
| 18 | |
| 19 | import java.lang.ref.WeakReference; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 20 | import java.util.ArrayList; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | import java.util.HashMap; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 22 | import java.util.List; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 23 | import java.util.StringTokenizer; |
| 24 | import java.io.IOException; |
| 25 | |
| 26 | import android.util.Log; |
| 27 | import android.view.Surface; |
| 28 | import android.view.SurfaceHolder; |
| 29 | import android.graphics.PixelFormat; |
| 30 | import android.os.Handler; |
| 31 | import android.os.Looper; |
| 32 | import android.os.Message; |
| 33 | |
| 34 | /** |
| 35 | * The Camera class is used to connect/disconnect with the camera service, |
| 36 | * set capture settings, start/stop preview, snap a picture, and retrieve |
| 37 | * frames for encoding for video. |
| 38 | * <p>There is no default constructor for this class. Use {@link #open()} to |
| 39 | * get a Camera object.</p> |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 40 | * |
| 41 | * <p>In order to use the device camera, you must declare the |
| 42 | * {@link android.Manifest.permission#CAMERA} permission in your Android |
| 43 | * Manifest. Also be sure to include the |
| 44 | * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> |
| 45 | * manifest element in order to declare camera features used by your application. |
| 46 | * For example, if you use the camera and auto-focus feature, your Manifest |
| 47 | * should include the following:</p> |
| 48 | * <pre> <uses-permission android:name="android.permission.CAMERA" /> |
| 49 | * <uses-feature android:name="android.hardware.camera" /> |
| 50 | * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> |
| 51 | * |
| 52 | * <p class="caution"><strong>Caution:</strong> Different Android-powered devices |
| 53 | * may have different hardware specifications, such as megapixel ratings and |
| 54 | * auto-focus capabilities. In order for your application to be compatible with |
| 55 | * more devices, you should not make assumptions about the device camera |
| 56 | * specifications.</p> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 57 | */ |
| 58 | public class Camera { |
| 59 | private static final String TAG = "Camera"; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 60 | |
Dave Sparks | c62f9bd | 2009-06-26 13:33:32 -0700 | [diff] [blame] | 61 | // These match the enums in frameworks/base/include/ui/Camera.h |
Benny Wong | da83f46 | 2009-08-12 12:01:27 -0500 | [diff] [blame] | 62 | private static final int CAMERA_MSG_ERROR = 0x001; |
| 63 | private static final int CAMERA_MSG_SHUTTER = 0x002; |
| 64 | private static final int CAMERA_MSG_FOCUS = 0x004; |
| 65 | private static final int CAMERA_MSG_ZOOM = 0x008; |
| 66 | private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; |
| 67 | private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; |
| 68 | private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; |
| 69 | private static final int CAMERA_MSG_RAW_IMAGE = 0x080; |
| 70 | private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; |
| 71 | private static final int CAMERA_MSG_ALL_MSGS = 0x1FF; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 72 | |
| 73 | private int mNativeContext; // accessed by native methods |
| 74 | private EventHandler mEventHandler; |
| 75 | private ShutterCallback mShutterCallback; |
| 76 | private PictureCallback mRawImageCallback; |
| 77 | private PictureCallback mJpegCallback; |
| 78 | private PreviewCallback mPreviewCallback; |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 79 | private PictureCallback mPostviewCallback; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 80 | private AutoFocusCallback mAutoFocusCallback; |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 81 | private ZoomCallback mZoomCallback; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 82 | private ErrorCallback mErrorCallback; |
| 83 | private boolean mOneShot; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 84 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 85 | /** |
| 86 | * Returns a new Camera object. |
| 87 | */ |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 88 | public static Camera open() { |
| 89 | return new Camera(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | Camera() { |
| 93 | mShutterCallback = null; |
| 94 | mRawImageCallback = null; |
| 95 | mJpegCallback = null; |
| 96 | mPreviewCallback = null; |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 97 | mPostviewCallback = null; |
| 98 | mZoomCallback = null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 99 | |
| 100 | Looper looper; |
| 101 | if ((looper = Looper.myLooper()) != null) { |
| 102 | mEventHandler = new EventHandler(this, looper); |
| 103 | } else if ((looper = Looper.getMainLooper()) != null) { |
| 104 | mEventHandler = new EventHandler(this, looper); |
| 105 | } else { |
| 106 | mEventHandler = null; |
| 107 | } |
| 108 | |
| 109 | native_setup(new WeakReference<Camera>(this)); |
| 110 | } |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 111 | |
| 112 | protected void finalize() { |
| 113 | native_release(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 114 | } |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 115 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 116 | private native final void native_setup(Object camera_this); |
| 117 | private native final void native_release(); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 118 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 119 | |
| 120 | /** |
| 121 | * Disconnects and releases the Camera object resources. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 122 | * <p>It is recommended that you call this as soon as you're done with the |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 123 | * Camera object.</p> |
| 124 | */ |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 125 | public final void release() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 126 | native_release(); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Reconnect to the camera after passing it to MediaRecorder. To save |
| 131 | * setup/teardown time, a client of Camera can pass an initialized Camera |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 132 | * object to a MediaRecorder to use for video recording. Once the |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 133 | * MediaRecorder is done with the Camera, this method can be used to |
| 134 | * re-establish a connection with the camera hardware. NOTE: The Camera |
| 135 | * object must first be unlocked by the process that owns it before it |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 136 | * can be connected to another process. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 137 | * |
| 138 | * @throws IOException if the method fails. |
| 139 | * |
| 140 | * FIXME: Unhide after approval |
| 141 | * @hide |
| 142 | */ |
| 143 | public native final void reconnect() throws IOException; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 144 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | /** |
| 146 | * Lock the camera to prevent other processes from accessing it. To save |
| 147 | * setup/teardown time, a client of Camera can pass an initialized Camera |
| 148 | * object to another process. This method is used to re-lock the Camera |
| 149 | * object prevent other processes from accessing it. By default, the |
| 150 | * Camera object is locked. Locking it again from the same process will |
| 151 | * have no effect. Attempting to lock it from another process if it has |
| 152 | * not been unlocked will fail. |
| 153 | * Returns 0 if lock was successful. |
| 154 | * |
| 155 | * FIXME: Unhide after approval |
| 156 | * @hide |
| 157 | */ |
| 158 | public native final int lock(); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 159 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 160 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 161 | * Unlock the camera to allow another process to access it. To save |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 162 | * setup/teardown time, a client of Camera can pass an initialized Camera |
| 163 | * object to another process. This method is used to unlock the Camera |
| 164 | * object before handing off the Camera object to the other process. |
| 165 | |
| 166 | * Returns 0 if unlock was successful. |
| 167 | * |
| 168 | * FIXME: Unhide after approval |
| 169 | * @hide |
| 170 | */ |
| 171 | public native final int unlock(); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 172 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 173 | /** |
| 174 | * Sets the SurfaceHolder to be used for a picture preview. If the surface |
| 175 | * changed since the last call, the screen will blank. Nothing happens |
| 176 | * if the same surface is re-set. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 177 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 178 | * @param holder the SurfaceHolder upon which to place the picture preview |
| 179 | * @throws IOException if the method fails. |
| 180 | */ |
| 181 | public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { |
Wu-cheng Li | b8a10fe | 2009-06-23 23:37:36 +0800 | [diff] [blame] | 182 | if (holder != null) { |
| 183 | setPreviewDisplay(holder.getSurface()); |
| 184 | } else { |
| 185 | setPreviewDisplay((Surface)null); |
| 186 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | private native final void setPreviewDisplay(Surface surface); |
| 190 | |
| 191 | /** |
| 192 | * Used to get a copy of each preview frame. |
| 193 | */ |
| 194 | public interface PreviewCallback |
| 195 | { |
| 196 | /** |
| 197 | * The callback that delivers the preview frames. |
| 198 | * |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 199 | * @param data The contents of the preview frame in the format defined |
| 200 | * by {@link android.graphics.PixelFormat}, which can be queried |
| 201 | * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. |
Scott Main | da0a56d | 2009-09-10 18:08:37 -0700 | [diff] [blame] | 202 | * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 203 | * is never called, the default will be the YCbCr_420_SP |
| 204 | * (NV21) format. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 205 | * @param camera The Camera service object. |
| 206 | */ |
| 207 | void onPreviewFrame(byte[] data, Camera camera); |
| 208 | }; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 209 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 210 | /** |
| 211 | * Start drawing preview frames to the surface. |
| 212 | */ |
| 213 | public native final void startPreview(); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 214 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 215 | /** |
| 216 | * Stop drawing preview frames to the surface. |
| 217 | */ |
| 218 | public native final void stopPreview(); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 219 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 220 | /** |
| 221 | * Return current preview state. |
| 222 | * |
| 223 | * FIXME: Unhide before release |
| 224 | * @hide |
| 225 | */ |
| 226 | public native final boolean previewEnabled(); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 227 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 228 | /** |
| 229 | * Can be called at any time to instruct the camera to use a callback for |
| 230 | * each preview frame in addition to displaying it. |
| 231 | * |
| 232 | * @param cb A callback object that receives a copy of each preview frame. |
| 233 | * Pass null to stop receiving callbacks at any time. |
| 234 | */ |
| 235 | public final void setPreviewCallback(PreviewCallback cb) { |
| 236 | mPreviewCallback = cb; |
| 237 | mOneShot = false; |
| 238 | setHasPreviewCallback(cb != null, false); |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Installs a callback to retrieve a single preview frame, after which the |
| 243 | * callback is cleared. |
| 244 | * |
| 245 | * @param cb A callback object that receives a copy of the preview frame. |
| 246 | */ |
| 247 | public final void setOneShotPreviewCallback(PreviewCallback cb) { |
| 248 | if (cb != null) { |
| 249 | mPreviewCallback = cb; |
| 250 | mOneShot = true; |
| 251 | setHasPreviewCallback(true, true); |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | private native final void setHasPreviewCallback(boolean installed, boolean oneshot); |
| 256 | |
| 257 | private class EventHandler extends Handler |
| 258 | { |
| 259 | private Camera mCamera; |
| 260 | |
| 261 | public EventHandler(Camera c, Looper looper) { |
| 262 | super(looper); |
| 263 | mCamera = c; |
| 264 | } |
| 265 | |
| 266 | @Override |
| 267 | public void handleMessage(Message msg) { |
| 268 | switch(msg.what) { |
Dave Sparks | c62f9bd | 2009-06-26 13:33:32 -0700 | [diff] [blame] | 269 | case CAMERA_MSG_SHUTTER: |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 270 | if (mShutterCallback != null) { |
| 271 | mShutterCallback.onShutter(); |
| 272 | } |
| 273 | return; |
Dave Sparks | c62f9bd | 2009-06-26 13:33:32 -0700 | [diff] [blame] | 274 | |
| 275 | case CAMERA_MSG_RAW_IMAGE: |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 276 | if (mRawImageCallback != null) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 277 | mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 278 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 279 | return; |
| 280 | |
Dave Sparks | c62f9bd | 2009-06-26 13:33:32 -0700 | [diff] [blame] | 281 | case CAMERA_MSG_COMPRESSED_IMAGE: |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 282 | if (mJpegCallback != null) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 283 | mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 284 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 285 | return; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 286 | |
Dave Sparks | c62f9bd | 2009-06-26 13:33:32 -0700 | [diff] [blame] | 287 | case CAMERA_MSG_PREVIEW_FRAME: |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 288 | if (mPreviewCallback != null) { |
| 289 | mPreviewCallback.onPreviewFrame((byte[])msg.obj, mCamera); |
| 290 | if (mOneShot) { |
| 291 | mPreviewCallback = null; |
| 292 | } |
| 293 | } |
| 294 | return; |
| 295 | |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 296 | case CAMERA_MSG_POSTVIEW_FRAME: |
| 297 | if (mPostviewCallback != null) { |
| 298 | mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); |
| 299 | } |
| 300 | return; |
| 301 | |
Dave Sparks | c62f9bd | 2009-06-26 13:33:32 -0700 | [diff] [blame] | 302 | case CAMERA_MSG_FOCUS: |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 303 | if (mAutoFocusCallback != null) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 304 | mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 305 | } |
| 306 | return; |
| 307 | |
| 308 | case CAMERA_MSG_ZOOM: |
| 309 | if (mZoomCallback != null) { |
| 310 | mZoomCallback.onZoomUpdate(msg.arg1, mCamera); |
| 311 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 312 | return; |
| 313 | |
Dave Sparks | c62f9bd | 2009-06-26 13:33:32 -0700 | [diff] [blame] | 314 | case CAMERA_MSG_ERROR : |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 315 | Log.e(TAG, "Error " + msg.arg1); |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 316 | if (mErrorCallback != null) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 317 | mErrorCallback.onError(msg.arg1, mCamera); |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 318 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 319 | return; |
| 320 | |
| 321 | default: |
| 322 | Log.e(TAG, "Unknown message type " + msg.what); |
| 323 | return; |
| 324 | } |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | private static void postEventFromNative(Object camera_ref, |
| 329 | int what, int arg1, int arg2, Object obj) |
| 330 | { |
| 331 | Camera c = (Camera)((WeakReference)camera_ref).get(); |
| 332 | if (c == null) |
| 333 | return; |
| 334 | |
| 335 | if (c.mEventHandler != null) { |
| 336 | Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); |
| 337 | c.mEventHandler.sendMessage(m); |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Handles the callback for the camera auto focus. |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 343 | * <p>Devices that do not support auto-focus will receive a "fake" |
| 344 | * callback to this interface. If your application needs auto-focus and |
| 345 | * should not be installed on devices <em>without</em> auto-focus, you must |
| 346 | * declare that your app uses the |
| 347 | * {@code android.hardware.camera.autofocus} feature, in the |
| 348 | * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> |
| 349 | * manifest element.</p> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 350 | */ |
| 351 | public interface AutoFocusCallback |
| 352 | { |
| 353 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 354 | * Callback for the camera auto focus. If the camera does not support |
| 355 | * auto-focus and autoFocus is called, onAutoFocus will be called |
| 356 | * immediately with success. |
| 357 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 358 | * @param success true if focus was successful, false if otherwise |
| 359 | * @param camera the Camera service object |
| 360 | */ |
| 361 | void onAutoFocus(boolean success, Camera camera); |
| 362 | }; |
| 363 | |
| 364 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 365 | * Starts auto-focus function and registers a callback function to run when |
| 366 | * camera is focused. Only valid after startPreview() has been called. If |
| 367 | * the camera does not support auto-focus, it is a no-op and {@link |
Wu-cheng Li | 1c63293 | 2009-09-02 14:34:11 +0800 | [diff] [blame] | 368 | * AutoFocusCallback#onAutoFocus(boolean, Camera)} callback will be called |
| 369 | * immediately. |
Scott Main | da0a56d | 2009-09-10 18:08:37 -0700 | [diff] [blame] | 370 | * <p>If your application should not be installed |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 371 | * on devices without auto-focus, you must declare that your application |
| 372 | * uses auto-focus with the |
| 373 | * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> |
| 374 | * manifest element.</p> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 375 | * |
| 376 | * @param cb the callback to run |
| 377 | */ |
| 378 | public final void autoFocus(AutoFocusCallback cb) |
| 379 | { |
| 380 | mAutoFocusCallback = cb; |
| 381 | native_autoFocus(); |
| 382 | } |
| 383 | private native final void native_autoFocus(); |
| 384 | |
| 385 | /** |
Chih-Chung Chang | 244f8c2 | 2009-09-15 14:51:56 +0800 | [diff] [blame^] | 386 | * Cancels auto-focus function. If the auto-focus is still in progress, |
| 387 | * this function will cancel it. Whether the auto-focus is in progress |
| 388 | * or not, this function will return the focus position to the default. |
| 389 | * If the camera does not support auto-focus, this is a no-op. |
| 390 | * @hide |
| 391 | */ |
| 392 | public final void cancelAutoFocus() |
| 393 | { |
| 394 | mAutoFocusCallback = null; |
| 395 | native_cancelAutoFocus(); |
| 396 | } |
| 397 | private native final void native_cancelAutoFocus(); |
| 398 | |
| 399 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 400 | * An interface which contains a callback for the shutter closing after taking a picture. |
| 401 | */ |
| 402 | public interface ShutterCallback |
| 403 | { |
| 404 | /** |
| 405 | * Can be used to play a shutter sound as soon as the image has been captured, but before |
| 406 | * the data is available. |
| 407 | */ |
| 408 | void onShutter(); |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * Handles the callback for when a picture is taken. |
| 413 | */ |
| 414 | public interface PictureCallback { |
| 415 | /** |
| 416 | * Callback for when a picture is taken. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 417 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 418 | * @param data a byte array of the picture data |
| 419 | * @param camera the Camera service object |
| 420 | */ |
| 421 | void onPictureTaken(byte[] data, Camera camera); |
| 422 | }; |
| 423 | |
| 424 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 425 | * Triggers an asynchronous image capture. The camera service will initiate |
| 426 | * a series of callbacks to the application as the image capture progresses. |
| 427 | * The shutter callback occurs after the image is captured. This can be used |
| 428 | * to trigger a sound to let the user know that image has been captured. The |
| 429 | * raw callback occurs when the raw image data is available (NOTE: the data |
| 430 | * may be null if the hardware does not have enough memory to make a copy). |
| 431 | * The jpeg callback occurs when the compressed image is available. If the |
| 432 | * application does not need a particular callback, a null can be passed |
| 433 | * instead of a callback method. |
| 434 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 435 | * @param shutter callback after the image is captured, may be null |
| 436 | * @param raw callback with raw image data, may be null |
| 437 | * @param jpeg callback with jpeg image data, may be null |
| 438 | */ |
| 439 | public final void takePicture(ShutterCallback shutter, PictureCallback raw, |
| 440 | PictureCallback jpeg) { |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 441 | takePicture(shutter, raw, null, jpeg); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 442 | } |
| 443 | private native final void native_takePicture(); |
| 444 | |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 445 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 446 | * Triggers an asynchronous image capture. The camera service will initiate |
| 447 | * a series of callbacks to the application as the image capture progresses. |
| 448 | * The shutter callback occurs after the image is captured. This can be used |
| 449 | * to trigger a sound to let the user know that image has been captured. The |
| 450 | * raw callback occurs when the raw image data is available (NOTE: the data |
| 451 | * may be null if the hardware does not have enough memory to make a copy). |
| 452 | * The postview callback occurs when a scaled, fully processed postview |
| 453 | * image is available (NOTE: not all hardware supports this). The jpeg |
| 454 | * callback occurs when the compressed image is available. If the |
| 455 | * application does not need a particular callback, a null can be passed |
| 456 | * instead of a callback method. |
Dave Sparks | e8b26e1 | 2009-07-14 10:35:40 -0700 | [diff] [blame] | 457 | * |
| 458 | * @param shutter callback after the image is captured, may be null |
| 459 | * @param raw callback with raw image data, may be null |
| 460 | * @param postview callback with postview image data, may be null |
| 461 | * @param jpeg callback with jpeg image data, may be null |
| 462 | */ |
| 463 | public final void takePicture(ShutterCallback shutter, PictureCallback raw, |
| 464 | PictureCallback postview, PictureCallback jpeg) { |
| 465 | mShutterCallback = shutter; |
| 466 | mRawImageCallback = raw; |
| 467 | mPostviewCallback = postview; |
| 468 | mJpegCallback = jpeg; |
| 469 | native_takePicture(); |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * Handles the zoom callback. |
| 474 | */ |
| 475 | public interface ZoomCallback |
| 476 | { |
| 477 | /** |
| 478 | * Callback for zoom updates |
| 479 | * @param zoomLevel new zoom level in 1/1000 increments, |
| 480 | * e.g. a zoom of 3.2x is stored as 3200. Accuracy of the |
| 481 | * value is dependent on the hardware implementation. Not |
| 482 | * all devices will generate this callback. |
| 483 | * @param camera the Camera service object |
| 484 | */ |
| 485 | void onZoomUpdate(int zoomLevel, Camera camera); |
| 486 | }; |
| 487 | |
| 488 | /** |
| 489 | * Registers a callback to be invoked when the zoom |
| 490 | * level is updated by the camera driver. |
| 491 | * @param cb the callback to run |
| 492 | */ |
| 493 | public final void setZoomCallback(ZoomCallback cb) |
| 494 | { |
| 495 | mZoomCallback = cb; |
| 496 | } |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 497 | |
James Dong | a1b653d | 2009-07-02 10:04:20 -0700 | [diff] [blame] | 498 | // These match the enum in include/ui/Camera.h |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 499 | /** Unspecified camerar error. @see #ErrorCallback */ |
| 500 | public static final int CAMERA_ERROR_UNKNOWN = 1; |
| 501 | /** Media server died. In this case, the application must release the |
| 502 | * Camera object and instantiate a new one. @see #ErrorCallback */ |
| 503 | public static final int CAMERA_ERROR_SERVER_DIED = 100; |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 504 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 505 | /** |
| 506 | * Handles the camera error callback. |
| 507 | */ |
| 508 | public interface ErrorCallback |
| 509 | { |
| 510 | /** |
| 511 | * Callback for camera errors. |
| 512 | * @param error error code: |
| 513 | * <ul> |
| 514 | * <li>{@link #CAMERA_ERROR_UNKNOWN} |
| 515 | * <li>{@link #CAMERA_ERROR_SERVER_DIED} |
| 516 | * </ul> |
| 517 | * @param camera the Camera service object |
| 518 | */ |
| 519 | void onError(int error, Camera camera); |
| 520 | }; |
| 521 | |
| 522 | /** |
| 523 | * Registers a callback to be invoked when an error occurs. |
| 524 | * @param cb the callback to run |
| 525 | */ |
| 526 | public final void setErrorCallback(ErrorCallback cb) |
| 527 | { |
| 528 | mErrorCallback = cb; |
| 529 | } |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 530 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 531 | private native final void native_setParameters(String params); |
| 532 | private native final String native_getParameters(); |
| 533 | |
| 534 | /** |
| 535 | * Sets the Parameters for pictures from this Camera service. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 536 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 537 | * @param params the Parameters to use for this Camera service |
| 538 | */ |
| 539 | public void setParameters(Parameters params) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 540 | native_setParameters(params.flatten()); |
| 541 | } |
| 542 | |
| 543 | /** |
| 544 | * Returns the picture Parameters for this Camera service. |
| 545 | */ |
| 546 | public Parameters getParameters() { |
| 547 | Parameters p = new Parameters(); |
| 548 | String s = native_getParameters(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 549 | p.unflatten(s); |
| 550 | return p; |
| 551 | } |
| 552 | |
| 553 | /** |
| 554 | * Handles the picture size (dimensions). |
| 555 | */ |
| 556 | public class Size { |
| 557 | /** |
| 558 | * Sets the dimensions for pictures. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 559 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 560 | * @param w the photo width (pixels) |
| 561 | * @param h the photo height (pixels) |
| 562 | */ |
| 563 | public Size(int w, int h) { |
| 564 | width = w; |
| 565 | height = h; |
| 566 | } |
| 567 | /** width of the picture */ |
| 568 | public int width; |
| 569 | /** height of the picture */ |
| 570 | public int height; |
| 571 | }; |
| 572 | |
| 573 | /** |
| 574 | * Handles the parameters for pictures created by a Camera service. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 575 | * |
| 576 | * <p>To make camera parameters take effect, applications have to call |
| 577 | * Camera.setParameters. For example, after setWhiteBalance is called, white |
| 578 | * balance is not changed until Camera.setParameters() is called. |
| 579 | * |
| 580 | * <p>Different devices may have different camera capabilities, such as |
| 581 | * picture size or flash modes. The application should query the camera |
| 582 | * capabilities before setting parameters. For example, the application |
| 583 | * should call getSupportedColorEffects before calling setEffect. If the |
| 584 | * camera does not support color effects, getSupportedColorEffects will |
| 585 | * return null. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 586 | */ |
| 587 | public class Parameters { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 588 | // Parameter keys to communicate with the camera driver. |
| 589 | private static final String KEY_PREVIEW_SIZE = "preview-size"; |
| 590 | private static final String KEY_PREVIEW_FORMAT = "preview-format"; |
| 591 | private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; |
| 592 | private static final String KEY_PICTURE_SIZE = "picture-size"; |
| 593 | private static final String KEY_PICTURE_FORMAT = "picture-format"; |
| 594 | private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; |
| 595 | private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; |
| 596 | private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; |
| 597 | private static final String KEY_JPEG_QUALITY = "jpeg-quality"; |
| 598 | private static final String KEY_ROTATION = "rotation"; |
| 599 | private static final String KEY_GPS_LATITUDE = "gps-latitude"; |
| 600 | private static final String KEY_GPS_LONGITUDE = "gps-longitude"; |
| 601 | private static final String KEY_GPS_ALTITUDE = "gps-altitude"; |
| 602 | private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; |
| 603 | private static final String KEY_WHITE_BALANCE = "whitebalance"; |
| 604 | private static final String KEY_EFFECT = "effect"; |
| 605 | private static final String KEY_ANTIBANDING = "antibanding"; |
| 606 | private static final String KEY_SCENE_MODE = "scene-mode"; |
| 607 | private static final String KEY_FLASH_MODE = "flash-mode"; |
| 608 | // Parameter key suffix for supported values. |
| 609 | private static final String SUPPORTED_VALUES_SUFFIX = "-values"; |
| 610 | |
| 611 | // Values for white balance settings. |
| 612 | public static final String WHITE_BALANCE_AUTO = "auto"; |
| 613 | public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; |
| 614 | public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; |
| 615 | public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; |
| 616 | public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; |
| 617 | public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; |
| 618 | public static final String WHITE_BALANCE_TWILIGHT = "twilight"; |
| 619 | public static final String WHITE_BALANCE_SHADE = "shade"; |
| 620 | |
| 621 | // Values for color effect settings. |
| 622 | public static final String EFFECT_NONE = "none"; |
| 623 | public static final String EFFECT_MONO = "mono"; |
| 624 | public static final String EFFECT_NEGATIVE = "negative"; |
| 625 | public static final String EFFECT_SOLARIZE = "solarize"; |
| 626 | public static final String EFFECT_SEPIA = "sepia"; |
| 627 | public static final String EFFECT_POSTERIZE = "posterize"; |
| 628 | public static final String EFFECT_WHITEBOARD = "whiteboard"; |
| 629 | public static final String EFFECT_BLACKBOARD = "blackboard"; |
| 630 | public static final String EFFECT_AQUA = "aqua"; |
| 631 | |
| 632 | // Values for antibanding settings. |
| 633 | public static final String ANTIBANDING_AUTO = "auto"; |
| 634 | public static final String ANTIBANDING_50HZ = "50hz"; |
| 635 | public static final String ANTIBANDING_60HZ = "60hz"; |
| 636 | public static final String ANTIBANDING_OFF = "off"; |
| 637 | |
| 638 | // Values for flash mode settings. |
| 639 | /** |
| 640 | * Flash will not be fired. |
| 641 | */ |
| 642 | public static final String FLASH_MODE_OFF = "off"; |
| 643 | /** |
| 644 | * Flash will be fired automatically when required. The timing is |
| 645 | * decided by camera driver. |
| 646 | */ |
| 647 | public static final String FLASH_MODE_AUTO = "auto"; |
| 648 | /** |
| 649 | * Flash will always be fired. The timing is decided by camera driver. |
| 650 | */ |
| 651 | public static final String FLASH_MODE_ON = "on"; |
| 652 | /** |
| 653 | * Flash will be fired in red-eye reduction mode. |
| 654 | */ |
| 655 | public static final String FLASH_MODE_RED_EYE = "red-eye"; |
| 656 | |
| 657 | // Values for scene mode settings. |
| 658 | public static final String SCENE_MODE_AUTO = "auto"; |
| 659 | public static final String SCENE_MODE_ACTION = "action"; |
| 660 | public static final String SCENE_MODE_PORTRAIT = "portrait"; |
| 661 | public static final String SCENE_MODE_LANDSCAPE = "landscape"; |
| 662 | public static final String SCENE_MODE_NIGHT = "night"; |
| 663 | public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; |
| 664 | public static final String SCENE_MODE_THEATRE = "theatre"; |
| 665 | public static final String SCENE_MODE_BEACH = "beach"; |
| 666 | public static final String SCENE_MODE_SNOW = "snow"; |
| 667 | public static final String SCENE_MODE_SUNSET = "sunset"; |
| 668 | public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; |
| 669 | public static final String SCENE_MODE_FIREWORKS = "fireworks"; |
| 670 | public static final String SCENE_MODE_SPORTS = "sports"; |
| 671 | public static final String SCENE_MODE_PARTY = "party"; |
| 672 | public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; |
| 673 | |
| 674 | // Formats for setPreviewFormat and setPictureFormat. |
| 675 | private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; |
| 676 | private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; |
| 677 | private static final String PIXEL_FORMAT_RGB565 = "rgb565"; |
| 678 | private static final String PIXEL_FORMAT_JPEG = "jpeg"; |
| 679 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 680 | private HashMap<String, String> mMap; |
| 681 | |
| 682 | private Parameters() { |
| 683 | mMap = new HashMap<String, String>(); |
| 684 | } |
| 685 | |
| 686 | /** |
| 687 | * Writes the current Parameters to the log. |
| 688 | * @hide |
| 689 | * @deprecated |
| 690 | */ |
| 691 | public void dump() { |
| 692 | Log.e(TAG, "dump: size=" + mMap.size()); |
| 693 | for (String k : mMap.keySet()) { |
| 694 | Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * Creates a single string with all the parameters set in |
| 700 | * this Parameters object. |
| 701 | * <p>The {@link #unflatten(String)} method does the reverse.</p> |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 702 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 703 | * @return a String with all values from this Parameters object, in |
| 704 | * semi-colon delimited key-value pairs |
| 705 | */ |
| 706 | public String flatten() { |
| 707 | StringBuilder flattened = new StringBuilder(); |
| 708 | for (String k : mMap.keySet()) { |
| 709 | flattened.append(k); |
| 710 | flattened.append("="); |
| 711 | flattened.append(mMap.get(k)); |
| 712 | flattened.append(";"); |
| 713 | } |
| 714 | // chop off the extra semicolon at the end |
| 715 | flattened.deleteCharAt(flattened.length()-1); |
| 716 | return flattened.toString(); |
| 717 | } |
| 718 | |
| 719 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 720 | * Takes a flattened string of parameters and adds each one to |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 721 | * this Parameters object. |
| 722 | * <p>The {@link #flatten()} method does the reverse.</p> |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 723 | * |
| 724 | * @param flattened a String of parameters (key-value paired) that |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 725 | * are semi-colon delimited |
| 726 | */ |
| 727 | public void unflatten(String flattened) { |
| 728 | mMap.clear(); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 729 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 730 | StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); |
| 731 | while (tokenizer.hasMoreElements()) { |
| 732 | String kv = tokenizer.nextToken(); |
| 733 | int pos = kv.indexOf('='); |
| 734 | if (pos == -1) { |
| 735 | continue; |
| 736 | } |
| 737 | String k = kv.substring(0, pos); |
| 738 | String v = kv.substring(pos + 1); |
| 739 | mMap.put(k, v); |
| 740 | } |
| 741 | } |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 742 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 743 | public void remove(String key) { |
| 744 | mMap.remove(key); |
| 745 | } |
| 746 | |
| 747 | /** |
| 748 | * Sets a String parameter. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 749 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 750 | * @param key the key name for the parameter |
| 751 | * @param value the String value of the parameter |
| 752 | */ |
| 753 | public void set(String key, String value) { |
| 754 | if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { |
| 755 | Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); |
| 756 | return; |
| 757 | } |
| 758 | if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { |
| 759 | Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); |
| 760 | return; |
| 761 | } |
| 762 | |
| 763 | mMap.put(key, value); |
| 764 | } |
| 765 | |
| 766 | /** |
| 767 | * Sets an integer parameter. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 768 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 769 | * @param key the key name for the parameter |
| 770 | * @param value the int value of the parameter |
| 771 | */ |
| 772 | public void set(String key, int value) { |
| 773 | mMap.put(key, Integer.toString(value)); |
| 774 | } |
| 775 | |
| 776 | /** |
| 777 | * Returns the value of a String parameter. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 778 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 779 | * @param key the key name for the parameter |
| 780 | * @return the String value of the parameter |
| 781 | */ |
| 782 | public String get(String key) { |
| 783 | return mMap.get(key); |
| 784 | } |
| 785 | |
| 786 | /** |
| 787 | * Returns the value of an integer parameter. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 788 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 789 | * @param key the key name for the parameter |
| 790 | * @return the int value of the parameter |
| 791 | */ |
| 792 | public int getInt(String key) { |
| 793 | return Integer.parseInt(mMap.get(key)); |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * Sets the dimensions for preview pictures. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 798 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 799 | * @param width the width of the pictures, in pixels |
| 800 | * @param height the height of the pictures, in pixels |
| 801 | */ |
| 802 | public void setPreviewSize(int width, int height) { |
| 803 | String v = Integer.toString(width) + "x" + Integer.toString(height); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 804 | set(KEY_PREVIEW_SIZE, v); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | /** |
| 808 | * Returns the dimensions setting for preview pictures. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 809 | * |
| 810 | * @return a Size object with the height and width setting |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 811 | * for the preview picture |
| 812 | */ |
| 813 | public Size getPreviewSize() { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 814 | String pair = get(KEY_PREVIEW_SIZE); |
| 815 | return strToSize(pair); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 816 | } |
| 817 | |
| 818 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 819 | * Gets the supported preview sizes. |
| 820 | * |
| 821 | * @return a List of Size object. null if preview size setting is not |
| 822 | * supported. |
| 823 | */ |
| 824 | public List<Size> getSupportedPreviewSizes() { |
| 825 | String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); |
| 826 | return splitSize(str); |
| 827 | } |
| 828 | |
| 829 | /** |
| 830 | * Sets the dimensions for EXIF thumbnail in Jpeg picture. |
| 831 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 832 | * @param width the width of the thumbnail, in pixels |
| 833 | * @param height the height of the thumbnail, in pixels |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 834 | */ |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 835 | public void setJpegThumbnailSize(int width, int height) { |
| 836 | set(KEY_JPEG_THUMBNAIL_WIDTH, width); |
| 837 | set(KEY_JPEG_THUMBNAIL_HEIGHT, height); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 838 | } |
| 839 | |
| 840 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 841 | * Returns the dimensions for EXIF thumbnail in Jpeg picture. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 842 | * |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 843 | * @return a Size object with the height and width setting for the EXIF |
| 844 | * thumbnails |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 845 | */ |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 846 | public Size getJpegThumbnailSize() { |
| 847 | return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), |
| 848 | getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 849 | } |
| 850 | |
| 851 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 852 | * Sets the quality of the EXIF thumbnail in Jpeg picture. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 853 | * |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 854 | * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 |
| 855 | * to 100, with 100 being the best. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 856 | */ |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 857 | public void setJpegThumbnailQuality(int quality) { |
| 858 | set(KEY_JPEG_THUMBNAIL_QUALITY, quality); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 859 | } |
| 860 | |
| 861 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 862 | * Returns the quality setting for the EXIF thumbnail in Jpeg picture. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 863 | * |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 864 | * @return the JPEG quality setting of the EXIF thumbnail. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 865 | */ |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 866 | public int getJpegThumbnailQuality() { |
| 867 | return getInt(KEY_JPEG_THUMBNAIL_QUALITY); |
| 868 | } |
| 869 | |
| 870 | /** |
| 871 | * Sets Jpeg quality of captured picture. |
| 872 | * |
| 873 | * @param quality the JPEG quality of captured picture. The range is 1 |
| 874 | * to 100, with 100 being the best. |
| 875 | */ |
| 876 | public void setJpegQuality(int quality) { |
| 877 | set(KEY_JPEG_QUALITY, quality); |
| 878 | } |
| 879 | |
| 880 | /** |
| 881 | * Returns the quality setting for the JPEG picture. |
| 882 | * |
| 883 | * @return the JPEG picture quality setting. |
| 884 | */ |
| 885 | public int getJpegQuality() { |
| 886 | return getInt(KEY_JPEG_QUALITY); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 887 | } |
| 888 | |
| 889 | /** |
| 890 | * Sets the rate at which preview frames are received. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 891 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 892 | * @param fps the frame rate (frames per second) |
| 893 | */ |
| 894 | public void setPreviewFrameRate(int fps) { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 895 | set(KEY_PREVIEW_FRAME_RATE, fps); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 896 | } |
| 897 | |
| 898 | /** |
| 899 | * Returns the setting for the rate at which preview frames |
| 900 | * are received. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 901 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 902 | * @return the frame rate setting (frames per second) |
| 903 | */ |
| 904 | public int getPreviewFrameRate() { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 905 | return getInt(KEY_PREVIEW_FRAME_RATE); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 906 | } |
| 907 | |
| 908 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 909 | * Gets the supported preview frame rates. |
| 910 | * |
| 911 | * @return a List of Integer objects (preview frame rates). null if |
| 912 | * preview frame rate setting is not supported. |
| 913 | */ |
| 914 | public List<Integer> getSupportedPreviewFrameRates() { |
| 915 | String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); |
| 916 | return splitInt(str); |
| 917 | } |
| 918 | |
| 919 | /** |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 920 | * Sets the image format for preview pictures. |
Scott Main | da0a56d | 2009-09-10 18:08:37 -0700 | [diff] [blame] | 921 | * <p>If this is never called, the default format will be |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 922 | * {@link android.graphics.PixelFormat#YCbCr_420_SP}, which |
| 923 | * uses the NV21 encoding format.</p> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 924 | * |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 925 | * @param pixel_format the desired preview picture format, defined |
| 926 | * by one of the {@link android.graphics.PixelFormat} constants. |
| 927 | * (E.g., <var>PixelFormat.YCbCr_420_SP</var> (default), |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 928 | * <var>PixelFormat.RGB_565</var>, or |
| 929 | * <var>PixelFormat.JPEG</var>) |
| 930 | * @see android.graphics.PixelFormat |
| 931 | */ |
| 932 | public void setPreviewFormat(int pixel_format) { |
| 933 | String s = cameraFormatForPixelFormat(pixel_format); |
| 934 | if (s == null) { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 935 | throw new IllegalArgumentException( |
| 936 | "Invalid pixel_format=" + pixel_format); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 937 | } |
| 938 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 939 | set(KEY_PREVIEW_FORMAT, s); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 940 | } |
| 941 | |
| 942 | /** |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 943 | * Returns the image format for preview pictures got from |
| 944 | * {@link PreviewCallback}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 945 | * |
Scott Main | df4578e | 2009-09-10 12:22:07 -0700 | [diff] [blame] | 946 | * @return the {@link android.graphics.PixelFormat} int representing |
| 947 | * the preview picture format. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 948 | */ |
| 949 | public int getPreviewFormat() { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 950 | return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); |
| 951 | } |
| 952 | |
| 953 | /** |
| 954 | * Gets the supported preview formats. |
| 955 | * |
| 956 | * @return a List of Integer objects. null if preview format setting is |
| 957 | * not supported. |
| 958 | */ |
| 959 | public List<Integer> getSupportedPreviewFormats() { |
| 960 | String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); |
| 961 | return splitInt(str); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 962 | } |
| 963 | |
| 964 | /** |
| 965 | * Sets the dimensions for pictures. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 966 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 967 | * @param width the width for pictures, in pixels |
| 968 | * @param height the height for pictures, in pixels |
| 969 | */ |
| 970 | public void setPictureSize(int width, int height) { |
| 971 | String v = Integer.toString(width) + "x" + Integer.toString(height); |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 972 | set(KEY_PICTURE_SIZE, v); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 973 | } |
| 974 | |
| 975 | /** |
| 976 | * Returns the dimension setting for pictures. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 977 | * |
| 978 | * @return a Size object with the height and width setting |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 979 | * for pictures |
| 980 | */ |
| 981 | public Size getPictureSize() { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 982 | String pair = get(KEY_PICTURE_SIZE); |
| 983 | return strToSize(pair); |
| 984 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 985 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 986 | /** |
| 987 | * Gets the supported picture sizes. |
| 988 | * |
| 989 | * @return a List of Size objects. null if picture size setting is not |
| 990 | * supported. |
| 991 | */ |
| 992 | public List<Size> getSupportedPictureSizes() { |
| 993 | String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); |
| 994 | return splitSize(str); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 995 | } |
| 996 | |
| 997 | /** |
| 998 | * Sets the image format for pictures. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 999 | * |
| 1000 | * @param pixel_format the desired picture format |
| 1001 | * (<var>PixelFormat.YCbCr_420_SP (NV21)</var>, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1002 | * <var>PixelFormat.RGB_565</var>, or |
| 1003 | * <var>PixelFormat.JPEG</var>) |
| 1004 | * @see android.graphics.PixelFormat |
| 1005 | */ |
| 1006 | public void setPictureFormat(int pixel_format) { |
| 1007 | String s = cameraFormatForPixelFormat(pixel_format); |
| 1008 | if (s == null) { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1009 | throw new IllegalArgumentException( |
| 1010 | "Invalid pixel_format=" + pixel_format); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1011 | } |
| 1012 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1013 | set(KEY_PICTURE_FORMAT, s); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1014 | } |
| 1015 | |
| 1016 | /** |
| 1017 | * Returns the image format for pictures. |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1018 | * |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1019 | * @return the PixelFormat int representing the picture format |
| 1020 | */ |
| 1021 | public int getPictureFormat() { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1022 | return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); |
| 1023 | } |
| 1024 | |
| 1025 | /** |
| 1026 | * Gets the supported picture formats. |
| 1027 | * |
| 1028 | * @return a List of Integer objects (values are PixelFormat.XXX). null |
| 1029 | * if picture setting is not supported. |
| 1030 | */ |
| 1031 | public List<Integer> getSupportedPictureFormats() { |
| 1032 | String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); |
| 1033 | return splitInt(str); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1034 | } |
| 1035 | |
| 1036 | private String cameraFormatForPixelFormat(int pixel_format) { |
| 1037 | switch(pixel_format) { |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1038 | case PixelFormat.YCbCr_422_SP: return PIXEL_FORMAT_YUV422SP; |
| 1039 | case PixelFormat.YCbCr_420_SP: return PIXEL_FORMAT_YUV420SP; |
| 1040 | case PixelFormat.RGB_565: return PIXEL_FORMAT_RGB565; |
| 1041 | case PixelFormat.JPEG: return PIXEL_FORMAT_JPEG; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1042 | default: return null; |
| 1043 | } |
| 1044 | } |
| 1045 | |
| 1046 | private int pixelFormatForCameraFormat(String format) { |
| 1047 | if (format == null) |
| 1048 | return PixelFormat.UNKNOWN; |
| 1049 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1050 | if (format.equals(PIXEL_FORMAT_YUV422SP)) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1051 | return PixelFormat.YCbCr_422_SP; |
| 1052 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1053 | if (format.equals(PIXEL_FORMAT_YUV420SP)) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1054 | return PixelFormat.YCbCr_420_SP; |
| 1055 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1056 | if (format.equals(PIXEL_FORMAT_RGB565)) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1057 | return PixelFormat.RGB_565; |
| 1058 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1059 | if (format.equals(PIXEL_FORMAT_JPEG)) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1060 | return PixelFormat.JPEG; |
| 1061 | |
| 1062 | return PixelFormat.UNKNOWN; |
| 1063 | } |
| 1064 | |
Wu-cheng Li | 9b6a8ab | 2009-08-17 18:19:25 +0800 | [diff] [blame] | 1065 | /** |
| 1066 | * Sets the orientation of the device in degrees, which instructs the |
| 1067 | * camera driver to rotate the picture and thumbnail, in order to match |
| 1068 | * what the user sees from the viewfinder. For example, suppose the |
| 1069 | * natural position of the device is landscape. If the user takes a |
| 1070 | * picture in landscape mode in 2048x1536 resolution, the rotation |
| 1071 | * should be set to 0. If the user rotates the phone 90 degrees |
| 1072 | * clockwise, the rotation should be set to 90. Applications can use |
| 1073 | * {@link android.view.OrientationEventListener} to set this parameter. |
| 1074 | * |
| 1075 | * Since the picture is rotated, the orientation in the EXIF header is |
| 1076 | * missing or always 1 (row #0 is top and column #0 is left side). |
| 1077 | * |
| 1078 | * @param rotation The orientation of the device in degrees. Rotation |
| 1079 | * can only be 0, 90, 180 or 270. |
| 1080 | * @throws IllegalArgumentException if rotation value is invalid. |
| 1081 | * @see android.view.OrientationEventListener |
| 1082 | */ |
| 1083 | public void setRotation(int rotation) { |
| 1084 | if (rotation == 0 || rotation == 90 || rotation == 180 |
| 1085 | || rotation == 270) { |
| 1086 | set(KEY_ROTATION, Integer.toString(rotation)); |
| 1087 | } else { |
| 1088 | throw new IllegalArgumentException( |
| 1089 | "Invalid rotation=" + rotation); |
| 1090 | } |
| 1091 | } |
| 1092 | |
| 1093 | /** |
| 1094 | * Sets GPS latitude coordinate. This will be stored in JPEG EXIF |
| 1095 | * header. |
| 1096 | * |
| 1097 | * @param latitude GPS latitude coordinate. |
| 1098 | */ |
| 1099 | public void setGpsLatitude(double latitude) { |
| 1100 | set(KEY_GPS_LATITUDE, Double.toString(latitude)); |
| 1101 | } |
| 1102 | |
| 1103 | /** |
| 1104 | * Sets GPS longitude coordinate. This will be stored in JPEG EXIF |
| 1105 | * header. |
| 1106 | * |
| 1107 | * @param longitude GPS longitude coordinate. |
| 1108 | */ |
| 1109 | public void setGpsLongitude(double longitude) { |
| 1110 | set(KEY_GPS_LONGITUDE, Double.toString(longitude)); |
| 1111 | } |
| 1112 | |
| 1113 | /** |
| 1114 | * Sets GPS altitude. This will be stored in JPEG EXIF header. |
| 1115 | * |
| 1116 | * @param altitude GPS altitude in meters. |
| 1117 | */ |
| 1118 | public void setGpsAltitude(double altitude) { |
| 1119 | set(KEY_GPS_ALTITUDE, Double.toString(altitude)); |
| 1120 | } |
| 1121 | |
| 1122 | /** |
| 1123 | * Sets GPS timestamp. This will be stored in JPEG EXIF header. |
| 1124 | * |
| 1125 | * @param timestamp GPS timestamp (UTC in seconds since January 1, |
| 1126 | * 1970). |
| 1127 | */ |
| 1128 | public void setGpsTimestamp(long timestamp) { |
| 1129 | set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); |
| 1130 | } |
| 1131 | |
| 1132 | /** |
| 1133 | * Removes GPS latitude, longitude, altitude, and timestamp from the |
| 1134 | * parameters. |
| 1135 | */ |
| 1136 | public void removeGpsData() { |
| 1137 | remove(KEY_GPS_LATITUDE); |
| 1138 | remove(KEY_GPS_LONGITUDE); |
| 1139 | remove(KEY_GPS_ALTITUDE); |
| 1140 | remove(KEY_GPS_TIMESTAMP); |
| 1141 | } |
| 1142 | |
| 1143 | /** |
| 1144 | * Gets the current white balance setting. |
| 1145 | * |
| 1146 | * @return one of WHITE_BALANCE_XXX string constant. null if white |
| 1147 | * balance setting is not supported. |
| 1148 | */ |
| 1149 | public String getWhiteBalance() { |
| 1150 | return get(KEY_WHITE_BALANCE); |
| 1151 | } |
| 1152 | |
| 1153 | /** |
| 1154 | * Sets the white balance. |
| 1155 | * |
| 1156 | * @param value WHITE_BALANCE_XXX string constant. |
| 1157 | */ |
| 1158 | public void setWhiteBalance(String value) { |
| 1159 | set(KEY_WHITE_BALANCE, value); |
| 1160 | } |
| 1161 | |
| 1162 | /** |
| 1163 | * Gets the supported white balance. |
| 1164 | * |
| 1165 | * @return a List of WHITE_BALANCE_XXX string constants. null if white |
| 1166 | * balance setting is not supported. |
| 1167 | */ |
| 1168 | public List<String> getSupportedWhiteBalance() { |
| 1169 | String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); |
| 1170 | return split(str); |
| 1171 | } |
| 1172 | |
| 1173 | /** |
| 1174 | * Gets the current color effect setting. |
| 1175 | * |
| 1176 | * @return one of EFFECT_XXX string constant. null if color effect |
| 1177 | * setting is not supported. |
| 1178 | */ |
| 1179 | public String getColorEffect() { |
| 1180 | return get(KEY_EFFECT); |
| 1181 | } |
| 1182 | |
| 1183 | /** |
| 1184 | * Sets the current color effect setting. |
| 1185 | * |
| 1186 | * @param value EFFECT_XXX string constants. |
| 1187 | */ |
| 1188 | public void setColorEffect(String value) { |
| 1189 | set(KEY_EFFECT, value); |
| 1190 | } |
| 1191 | |
| 1192 | /** |
| 1193 | * Gets the supported color effects. |
| 1194 | * |
| 1195 | * @return a List of EFFECT_XXX string constants. null if color effect |
| 1196 | * setting is not supported. |
| 1197 | */ |
| 1198 | public List<String> getSupportedColorEffects() { |
| 1199 | String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); |
| 1200 | return split(str); |
| 1201 | } |
| 1202 | |
| 1203 | |
| 1204 | /** |
| 1205 | * Gets the current antibanding setting. |
| 1206 | * |
| 1207 | * @return one of ANTIBANDING_XXX string constant. null if antibanding |
| 1208 | * setting is not supported. |
| 1209 | */ |
| 1210 | public String getAntibanding() { |
| 1211 | return get(KEY_ANTIBANDING); |
| 1212 | } |
| 1213 | |
| 1214 | /** |
| 1215 | * Sets the antibanding. |
| 1216 | * |
| 1217 | * @param antibanding ANTIBANDING_XXX string constant. |
| 1218 | */ |
| 1219 | public void setAntibanding(String antibanding) { |
| 1220 | set(KEY_ANTIBANDING, antibanding); |
| 1221 | } |
| 1222 | |
| 1223 | /** |
| 1224 | * Gets the supported antibanding values. |
| 1225 | * |
| 1226 | * @return a List of ANTIBANDING_XXX string constants. null if |
| 1227 | * antibanding setting is not supported. |
| 1228 | */ |
| 1229 | public List<String> getSupportedAntibanding() { |
| 1230 | String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); |
| 1231 | return split(str); |
| 1232 | } |
| 1233 | |
| 1234 | /** |
| 1235 | * Gets the current scene mode setting. |
| 1236 | * |
| 1237 | * @return one of SCENE_MODE_XXX string constant. null if scene mode |
| 1238 | * setting is not supported. |
| 1239 | */ |
| 1240 | public String getSceneMode() { |
| 1241 | return get(KEY_SCENE_MODE); |
| 1242 | } |
| 1243 | |
| 1244 | /** |
| 1245 | * Sets the scene mode. |
| 1246 | * |
| 1247 | * @param value SCENE_MODE_XXX string constants. |
| 1248 | */ |
| 1249 | public void setSceneMode(String value) { |
| 1250 | set(KEY_SCENE_MODE, value); |
| 1251 | } |
| 1252 | |
| 1253 | /** |
| 1254 | * Gets the supported scene modes. |
| 1255 | * |
| 1256 | * @return a List of SCENE_MODE_XXX string constant. null if scene mode |
| 1257 | * setting is not supported. |
| 1258 | */ |
| 1259 | public List<String> getSupportedSceneModes() { |
| 1260 | String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); |
| 1261 | return split(str); |
| 1262 | } |
| 1263 | |
| 1264 | /** |
| 1265 | * Gets the current flash mode setting. |
| 1266 | * |
| 1267 | * @return one of FLASH_MODE_XXX string constant. null if flash mode |
| 1268 | * setting is not supported. |
| 1269 | */ |
| 1270 | public String getFlashMode() { |
| 1271 | return get(KEY_FLASH_MODE); |
| 1272 | } |
| 1273 | |
| 1274 | /** |
| 1275 | * Sets the flash mode. |
| 1276 | * |
| 1277 | * @param value FLASH_MODE_XXX string constants. |
| 1278 | */ |
| 1279 | public void setFlashMode(String value) { |
| 1280 | set(KEY_FLASH_MODE, value); |
| 1281 | } |
| 1282 | |
| 1283 | /** |
| 1284 | * Gets the supported flash modes. |
| 1285 | * |
| 1286 | * @return a List of FLASH_MODE_XXX string constants. null if flash mode |
| 1287 | * setting is not supported. |
| 1288 | */ |
| 1289 | public List<String> getSupportedFlashModes() { |
| 1290 | String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); |
| 1291 | return split(str); |
| 1292 | } |
| 1293 | |
| 1294 | // Splits a comma delimited string to an ArrayList of String. |
| 1295 | // Return null if the passing string is null or the size is 0. |
| 1296 | private ArrayList<String> split(String str) { |
| 1297 | if (str == null) return null; |
| 1298 | |
| 1299 | // Use StringTokenizer because it is faster than split. |
| 1300 | StringTokenizer tokenizer = new StringTokenizer(str, ","); |
| 1301 | ArrayList<String> substrings = new ArrayList<String>(); |
| 1302 | while (tokenizer.hasMoreElements()) { |
| 1303 | substrings.add(tokenizer.nextToken()); |
| 1304 | } |
| 1305 | return substrings; |
| 1306 | } |
| 1307 | |
| 1308 | // Splits a comma delimited string to an ArrayList of Integer. |
| 1309 | // Return null if the passing string is null or the size is 0. |
| 1310 | private ArrayList<Integer> splitInt(String str) { |
| 1311 | if (str == null) return null; |
| 1312 | |
| 1313 | StringTokenizer tokenizer = new StringTokenizer(str, ","); |
| 1314 | ArrayList<Integer> substrings = new ArrayList<Integer>(); |
| 1315 | while (tokenizer.hasMoreElements()) { |
| 1316 | String token = tokenizer.nextToken(); |
| 1317 | substrings.add(Integer.parseInt(token)); |
| 1318 | } |
| 1319 | if (substrings.size() == 0) return null; |
| 1320 | return substrings; |
| 1321 | } |
| 1322 | |
| 1323 | // Splits a comma delimited string to an ArrayList of Size. |
| 1324 | // Return null if the passing string is null or the size is 0. |
| 1325 | private ArrayList<Size> splitSize(String str) { |
| 1326 | if (str == null) return null; |
| 1327 | |
| 1328 | StringTokenizer tokenizer = new StringTokenizer(str, ","); |
| 1329 | ArrayList<Size> sizeList = new ArrayList<Size>(); |
| 1330 | while (tokenizer.hasMoreElements()) { |
| 1331 | Size size = strToSize(tokenizer.nextToken()); |
| 1332 | if (size != null) sizeList.add(size); |
| 1333 | } |
| 1334 | if (sizeList.size() == 0) return null; |
| 1335 | return sizeList; |
| 1336 | } |
| 1337 | |
| 1338 | // Parses a string (ex: "480x320") to Size object. |
| 1339 | // Return null if the passing string is null. |
| 1340 | private Size strToSize(String str) { |
| 1341 | if (str == null) return null; |
| 1342 | |
| 1343 | int pos = str.indexOf('x'); |
| 1344 | if (pos != -1) { |
| 1345 | String width = str.substring(0, pos); |
| 1346 | String height = str.substring(pos + 1); |
| 1347 | return new Size(Integer.parseInt(width), |
| 1348 | Integer.parseInt(height)); |
| 1349 | } |
| 1350 | Log.e(TAG, "Invalid size parameter string=" + str); |
| 1351 | return null; |
| 1352 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1353 | }; |
| 1354 | } |