| /* |
| * Copyright 2020 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", |
| "INLINE_CLASS_DEPRECATED", |
| "EXPERIMENTAL_FEATURE_WARNING" |
| ) |
| |
| package androidx.compose.ui.unit |
| |
| import androidx.compose.runtime.Immutable |
| import androidx.compose.runtime.Stable |
| import androidx.compose.ui.geometry.Size |
| import androidx.compose.ui.util.packInts |
| import androidx.compose.ui.util.unpackInt1 |
| import androidx.compose.ui.util.unpackInt2 |
| |
| /** |
| * Constructs an [IntSize] from width and height [Int] values. |
| */ |
| @Stable |
| fun IntSize(width: Int, height: Int): IntSize = IntSize(packInts(width, height)) |
| |
| /** |
| * A two-dimensional size class used for measuring in [Int] pixels. |
| */ |
| @Immutable |
| inline class IntSize internal constructor(@PublishedApi internal val packedValue: Long) { |
| |
| /** |
| * The horizontal aspect of the size in [Int] pixels. |
| */ |
| @Stable |
| val width: Int |
| get() = unpackInt1(packedValue) |
| |
| /** |
| * The vertical aspect of the size in [Int] pixels. |
| */ |
| @Stable |
| val height: Int |
| get() = unpackInt2(packedValue) |
| |
| @Stable |
| inline operator fun component1(): Int = width |
| |
| @Stable |
| inline operator fun component2(): Int = height |
| |
| /** |
| * Returns an IntSize scaled by multiplying [width] and [height] by [other] |
| */ |
| @Stable |
| operator fun times(other: Int): IntSize = |
| IntSize(width = width * other, height = height * other) |
| |
| /** |
| * Returns an IntSize scaled by dividing [width] and [height] by [other] |
| */ |
| @Stable |
| operator fun div(other: Int): IntSize = |
| IntSize(width = width / other, height = height / other) |
| |
| @Stable |
| override fun toString(): String = "$width x $height" |
| |
| companion object { |
| /** |
| * IntSize with a zero (0) width and height. |
| */ |
| val Zero = IntSize(0L) |
| } |
| } |
| |
| /** |
| * Returns an [IntSize] with [size]'s [IntSize.width] and [IntSize.height] |
| * multiplied by [this]. |
| */ |
| @Stable |
| operator fun Int.times(size: IntSize) = size * this |
| |
| /** |
| * Convert a [IntSize] to a [IntRect]. |
| */ |
| @Stable |
| fun IntSize.toIntRect(): IntRect { |
| return IntRect(IntOffset.Zero, this) |
| } |
| |
| /** |
| * Returns the [IntOffset] of the center of the rect from the point of [0, 0] |
| * with this [IntSize]. |
| */ |
| @Stable |
| val IntSize.center: IntOffset |
| get() = IntOffset(width / 2, height / 2) |
| |
| // temporary while PxSize is transitioned to Size |
| @Stable |
| fun IntSize.toSize() = Size(width.toFloat(), height.toFloat()) |