1 /*
2 * Copyright (C) 2017 Alberto Irurueta Carro (alberto@irurueta.com)
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 package com.irurueta.ar.sfm;
17
18 import com.irurueta.geometry.PinholeCamera;
19
20 /**
21 * Listener in charge of attending events for an InitialCamerasEstimator,
22 * such as when estimation starts or finishes.
23 */
24 public interface InitialCamerasEstimatorListener {
25
26 /**
27 * Called when estimation starts.
28 *
29 * @param estimator estimator raising the event.
30 */
31 void onStart(final InitialCamerasEstimator estimator);
32
33 /**
34 * Called when estimation successfully finishes.
35 *
36 * @param estimator estimator raising the event.
37 * @param estimatedLeftCamera estimated camera on left view.
38 * @param estimatedRightCamera estimated camera on right view.
39 */
40 void onFinish(final InitialCamerasEstimator estimator, final PinholeCamera estimatedLeftCamera,
41 final PinholeCamera estimatedRightCamera);
42
43 /**
44 * Called when estimation fails.
45 *
46 * @param estimator estimator raising the event.
47 * @param e reason of estimation failure.
48 */
49 void onFail(final InitialCamerasEstimator estimator, final InitialCamerasEstimationFailedException e);
50 }