commonMain.androidx.compose.foundation.shape.GenericShape.kt Maven / Gradle / Ivy

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Higher level abstractions of the Compose UI primitives. This library is design system agnostic, providing the high-level building blocks for both application and design-system developers

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/*
 * 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.foundation.shape

import androidx.compose.ui.geometry.Size
import androidx.compose.ui.graphics.Outline
import androidx.compose.ui.graphics.Path
import androidx.compose.ui.graphics.Shape
import androidx.compose.ui.unit.Density
import androidx.compose.ui.unit.LayoutDirection

/**
 * Creates [Shape] defined by applying the provided [builder] on a [Path].
 *
 * @param builder the builder lambda to apply on a [Path]
 */
class GenericShape(
    private val builder: Path.(size: Size, layoutDirection: LayoutDirection) -> Unit
) : Shape {

    override fun createOutline(
        size: Size,
        layoutDirection: LayoutDirection,
        density: Density
    ): Outline {
        val path =
            Path().apply {
                builder(size, layoutDirection)
                close()
            }
        return Outline.Generic(path)
    }

    override fun equals(other: Any?): Boolean {
        if (this === other) return true
        return (other as? GenericShape)?.builder === builder
    }

    override fun hashCode(): Int {
        return builder.hashCode()
    }
}