IntrinsicMeasurable.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.
*/
package androidx.compose.ui.layout
/**
* A part of the composition that can be measured. This represents a layout.
* The instance should never be stored.
*/
interface IntrinsicMeasurable {
/**
* Data provided by the [ParentDataModifier].
*/
val parentData: Any?
/**
* Calculates the minimum width that the layout can be such that
* the content of the layout will be painted correctly.
*/
fun minIntrinsicWidth(height: Int): Int
/**
* Calculates the smallest width beyond which increasing the width never
* decreases the height.
*/
fun maxIntrinsicWidth(height: Int): Int
/**
* Calculates the minimum height that the layout can be such that
* the content of the layout will be painted correctly.
*/
fun minIntrinsicHeight(width: Int): Int
/**
* Calculates the smallest height beyond which increasing the height never
* decreases the width.
*/
fun maxIntrinsicHeight(width: Int): Int
}
/**
* A function for performing intrinsic measurement.
*/
@Deprecated(
"IntrinsicMeasureBlock was deprecated. See MeasurePolicy and the new Layout overloads."
)
internal typealias IntrinsicMeasureBlock =
IntrinsicMeasureScope.(List<IntrinsicMeasurable>, Int) -> Int