commonMain.quantize.PointProvider.kt Maven / Gradle / Ivy
/*
* Copyright (c) 2024, Google LLC, OpenSavvy and contributors.
*
* 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 opensavvy.material3.colors.quantize
import opensavvy.material3.colors.utils.Color
/** An interface to allow use of different color spaces by quantizers. */
interface PointProvider {
/**
* The four components in the color space, from a sRGB [color].
*/
fun fromColor(color: Color): DoubleArray
/**
* The color representation of this [point].
*/
fun toColor(point: DoubleArray): Color
/**
* Squared distance between two colors. Distance is defined by scientific color spaces and
* referred to as delta E.
*/
fun distance(a: DoubleArray, b: DoubleArray): Double
}