InlineClassHelper.kt

/*
 * Copyright 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

@file:Suppress("NOTHING_TO_INLINE")

package androidx.compose.ui.util

/**
 * Packs two Float values into one Long value for use in inline classes.
 */
inline fun packFloats(val1: Float, val2: Float): Long {
    val v1 = val1.toBits().toLong()
    val v2 = val2.toBits().toLong()
    return v1.shl(32) or (v2 and 0xFFFFFFFF)
}

/**
 * Unpacks the first Float value in [packFloats] from its returned Long.
 */
inline fun unpackFloat1(value: Long): Float {
    return Float.fromBits(value.shr(32).toInt())
}

/**
 * Unpacks the second Float value in [packFloats] from its returned Long.
 */
inline fun unpackFloat2(value: Long): Float {
    return Float.fromBits(value.and(0xFFFFFFFF).toInt())
}

/**
 * Packs two Int values into one Long value for use in inline classes.
 */
inline fun packInts(val1: Int, val2: Int): Long {
    return val1.toLong().shl(32) or (val2.toLong() and 0xFFFFFFFF)
}

/**
 * Unpacks the first Int value in [packInts] from its returned ULong.
 */
inline fun unpackInt1(value: Long): Int {
    return value.shr(32).toInt()
}

/**
 * Unpacks the second Int value in [packInts] from its returned ULong.
 */
inline fun unpackInt2(value: Long): Int {
    return value.and(0xFFFFFFFF).toInt()
}