commonMain.layouts.Alignment.kt Maven / Gradle / Ivy
/*
* Copyright 2020-2022 Slawomir Czerwinski
*
* 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 graphics.glimpse.hud.layouts
/**
* Alignment of an element inside a layout.
*/
sealed class Alignment(
internal val x: Float,
internal val y: Float
) {
/**
* Top-left alignment.
*/
object TopLeft : Alignment(x = -1f, y = -1f)
/**
* Top alignment.
*/
object Top : Alignment(x = 0f, y = -1f)
/**
* Top-right alignment.
*/
object TopRight : Alignment(x = 1f, y = -1f)
/**
* Left alignment.
*/
object Left : Alignment(x = -1f, y = 0f)
/**
* Center alignment.
*/
object Center : Alignment(x = 0f, y = 0f)
/**
* Right alignment.
*/
object Right : Alignment(x = 1f, y = 0f)
/**
* Bottom-left alignment.
*/
object BottomLeft : Alignment(x = -1f, y = 1f)
/**
* Bottom alignment.
*/
object Bottom : Alignment(x = 0f, y = 1f)
/**
* Bottom-right alignment.
*/
object BottomRight : Alignment(x = 1f, y = 1f)
}
/**
* Horizontal alignment of an element inside a layout.
*/
sealed class HorizontalAlignment(internal val x: Float) {
/**
* Left alignment.
*/
object Left : HorizontalAlignment(x = -1f)
/**
* Center alignment.
*/
object Center : HorizontalAlignment(x = 0f)
/**
* Right alignment.
*/
object Right : HorizontalAlignment(x = 1f)
}
/**
* Vertical alignment of an element inside a layout.
*/
sealed class VerticalAlignment(internal val y: Float) {
/**
* Top alignment.
*/
object Top : VerticalAlignment(y = -1f)
/**
* Center alignment.
*/
object Center : VerticalAlignment(y = 0f)
/**
* Bottom alignment.
*/
object Bottom : VerticalAlignment(y = 1f)
}