| /* |
| * 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") |
| |
| package androidx.ui.unit |
| |
| import androidx.compose.Immutable |
| import androidx.compose.Stable |
| import androidx.compose.ui.geometry.Rect |
| |
| /** |
| * A four dimensional bounds holder defined by integer pixels. |
| */ |
| @Immutable |
| data class IntBounds( |
| val left: Int, |
| val top: Int, |
| val right: Int, |
| val bottom: Int |
| ) |
| |
| @Stable |
| inline fun IntBounds(topLeft: IntOffset, size: IntSize) = |
| IntBounds( |
| left = topLeft.x, |
| top = topLeft.y, |
| right = topLeft.x + size.width, |
| bottom = topLeft.y + size.height |
| ) |
| |
| /** |
| * The width of this IntBounds in integer pixels. |
| */ |
| @Stable |
| inline val IntBounds.width: Int get() = right - left |
| |
| /** |
| * The height of this IntBounds in integer pixels. |
| */ |
| @Stable |
| inline val IntBounds.height: Int get() = bottom - top |
| |
| /** |
| * Returns the [IntOffset] of the center of the [IntBounds]. |
| */ |
| @Stable |
| inline fun IntBounds.center(): IntOffset { |
| return IntOffset((left + right) / 2, (top + bottom) / 2) |
| } |
| |
| /** |
| * Convert an [IntBounds] to an [IntSize]. |
| */ |
| @Stable |
| fun IntBounds.toSize(): IntSize { |
| return IntSize(width, height) |
| } |
| |
| /** |
| * Convert an [IntSize] to an [IntBounds]. The left and top are 0 and the right and bottom |
| * are the width and height, respectively. |
| */ |
| @Stable |
| fun IntSize.toBounds(): IntBounds { |
| return IntBounds(0, 0, width, height) |
| } |
| |
| /** |
| * Convert an [IntBounds] to a [Rect]. |
| */ |
| @Stable |
| fun IntBounds.toRect(): Rect { |
| return Rect( |
| left.toFloat(), |
| top.toFloat(), |
| right.toFloat(), |
| bottom.toFloat() |
| ) |
| } |