| /* |
| * 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. |
| */ |
| |
| package androidx.ui.core |
| |
| import androidx.compose.ui.unit.Constraints |
| import androidx.compose.ui.unit.LayoutDirection |
| |
| /** |
| * A part of the composition that can be measured. This represents a layout. |
| * The instance should never be stored. |
| */ |
| interface Measurable : IntrinsicMeasurable { |
| /** |
| * Measures the layout with [constraints] and a [layoutDirection], |
| * returning a [Placeable] layout that has its new size. A [Measurable] |
| * can only be measured once inside a layout pass. |
| */ |
| fun measure(constraints: Constraints, layoutDirection: LayoutDirection): Placeable |
| } |