1 /*
<lambda>null2  * 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 
17 package com.android.egg.landroid
18 
19 import androidx.compose.animation.core.CubicBezierEasing
20 import androidx.compose.animation.core.Easing
21 import androidx.compose.animation.core.tween
22 import androidx.compose.animation.fadeIn
23 import androidx.compose.runtime.Composable
24 import androidx.compose.ui.platform.LocalDensity
25 import androidx.compose.ui.unit.Dp
26 import kotlin.random.Random
27 
28 @Composable fun Dp.toLocalPx() = with(LocalDensity.current) { this@toLocalPx.toPx() }
29 
timesnull30 operator fun Easing.times(next: Easing) = { x: Float -> next.transform(transform(x)) }
31 
flickerFadeEasingnull32 fun flickerFadeEasing(rng: Random) = Easing { frac -> if (rng.nextFloat() < frac) 1f else 0f }
33 
34 val flickerFadeIn =
35     fadeIn(
36         animationSpec =
37             tween(
38                 durationMillis = 1000,
39                 easing = CubicBezierEasing(0f, 1f, 1f, 0f) * flickerFadeEasing(Random)
40             )
41     )
42