/**
* Copyright (c) 2017-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.litho.annotations;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* A method that is annotated with this annotation will be used to compute the baseline of your
* component. The default baseline of your component if this method is not implemented is the
* computed height of your component. The baseline is the vertical location of your component
* to be aligned when using .alignItems(BASELINE).
*
* <code>
* {@literal @}LayoutSpec
* public class MyComponentSpec {
*
* {@literal @}OnMeasureBaseline
* int onMeasureBaseline(LayoutContext c, int width, int height) {
* return height / 2;
* }
* }
* </code>
*/
@Retention(RetentionPolicy.SOURCE)
public @interface OnMeasureBaseline {
}