1 /* <lambda>null2 * Copyright 2024 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 @file:JvmName("SuspendedMatrixColorFilter") 18 19 package com.android.intentresolver.util.graphics 20 21 import android.graphics.ColorMatrix 22 import android.graphics.ColorMatrixColorFilter 23 24 val suspendedColorMatrix by lazy { 25 val grayValue = 127f 26 val scale = 0.5f // half bright 27 28 val tempBrightnessMatrix = 29 ColorMatrix().apply { 30 array.let { m -> 31 m[0] = scale 32 m[6] = scale 33 m[12] = scale 34 m[4] = grayValue 35 m[9] = grayValue 36 m[14] = grayValue 37 } 38 } 39 40 val matrix = 41 ColorMatrix().apply { 42 setSaturation(0.0f) 43 preConcat(tempBrightnessMatrix) 44 } 45 ColorMatrixColorFilter(matrix) 46 } 47