1 /*
2  * Copyright (C) 2023 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 package com.google.jetpackcamera.settings.model
17 
18 import android.util.Rational
19 import com.google.jetpackcamera.settings.AspectRatio as AspectRatioProto
20 
21 enum class AspectRatio(val ratio: Rational) {
22     THREE_FOUR(Rational(3, 4)),
23     NINE_SIXTEEN(Rational(9, 16)),
24     ONE_ONE(Rational(1, 1));
25 
<lambda>null26     val landscapeRatio: Rational by lazy {
27         Rational(ratio.denominator, ratio.numerator)
28     }
29 
30     companion object {
31 
32         /** returns the AspectRatio enum equivalent of a provided AspectRatioProto */
fromProtonull33         fun fromProto(aspectRatioProto: AspectRatioProto): AspectRatio {
34             return when (aspectRatioProto) {
35                 AspectRatioProto.ASPECT_RATIO_NINE_SIXTEEN -> NINE_SIXTEEN
36                 AspectRatioProto.ASPECT_RATIO_ONE_ONE -> ONE_ONE
37 
38                 // defaults to 3:4 aspect ratio
39                 AspectRatioProto.ASPECT_RATIO_THREE_FOUR,
40                 AspectRatioProto.ASPECT_RATIO_UNDEFINED,
41                 AspectRatioProto.UNRECOGNIZED
42                 -> THREE_FOUR
43             }
44         }
45     }
46 }
47