1 /* 2 * Copyright 2017 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 com.example.android.camera2video 18 19 import android.util.Size 20 import java.lang.Long.signum 21 22 /** 23 * Compare two [Size]s based on their areas. 24 */ 25 class CompareSizesByArea : Comparator<Size> { 26 27 // We cast here to ensure the multiplications won't overflow 28 override fun compare(lhs: Size, rhs: Size) = 29 signum(lhs.width.toLong() * lhs.height - rhs.width.toLong() * rhs.height) 30 }
