1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.hardware.camera2.legacy; 18 19 import android.hardware.Camera; 20 import android.hardware.camera2.CameraCharacteristics; 21 import android.hardware.camera2.CaptureRequest; 22 import android.util.Size; 23 24 import static com.android.internal.util.Preconditions.*; 25 26 /** 27 * Hold important data necessary to build the camera1 parameters up from a capture request. 28 */ 29 public class LegacyRequest { 30 /** Immutable characteristics for the camera corresponding to this request */ 31 public final CameraCharacteristics characteristics; 32 /** Immutable capture request, as requested by the user */ 33 public final CaptureRequest captureRequest; 34 /** Immutable api1 preview buffer size at the time of the request */ 35 public final Size previewSize; 36 /** <em>Mutable</em> camera parameters */ 37 public final Camera.Parameters parameters; 38 39 /** 40 * Create a new legacy request; the parameters are copied. 41 * 42 * @param characteristics immutable static camera characteristics for this camera 43 * @param captureRequest immutable user-defined capture request 44 * @param previewSize immutable internal preview size used for {@link Camera#setPreviewSurface} 45 * @param parameters the initial camera1 parameter state; (copied) can be mutated 46 */ 47 public LegacyRequest(CameraCharacteristics characteristics, CaptureRequest captureRequest, 48 Size previewSize, Camera.Parameters parameters) { 49 this.characteristics = checkNotNull(characteristics, "characteristics must not be null"); 50 this.captureRequest = checkNotNull(captureRequest, "captureRequest must not be null"); 51 this.previewSize = checkNotNull(previewSize, "previewSize must not be null"); 52 checkNotNull(parameters, "parameters must not be null"); 53 54 this.parameters = Camera.getParametersCopy(parameters); 55 } 56 57 /** 58 * Update the current parameters in-place to be a copy of the new parameters. 59 * 60 * @param parameters non-{@code null} parameters for api1 camera 61 */ 62 public void setParameters(Camera.Parameters parameters) { 63 checkNotNull(parameters, "parameters must not be null"); 64 65 this.parameters.copyFrom(parameters); 66 } 67 } 68
