1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package androidx.compose.foundation.shape
18 
19 import androidx.compose.ui.geometry.Size
20 import androidx.compose.ui.graphics.Outline
21 import androidx.compose.ui.graphics.Path
22 import androidx.compose.ui.graphics.Shape
23 import androidx.compose.ui.unit.Density
24 import androidx.compose.ui.unit.LayoutDirection
25 
26 /**
27  * Creates [Shape] defined by applying the provided [builder] on a [Path].
28  *
29  * @param builder the builder lambda to apply on a [Path]
30  */
31 class GenericShape(
32     private val builder: Path.(size: Size, layoutDirection: LayoutDirection) -> Unit
33 ) : Shape {
34 
createOutlinenull35     override fun createOutline(
36         size: Size,
37         layoutDirection: LayoutDirection,
38         density: Density
39     ): Outline {
40         val path =
41             Path().apply {
42                 builder(size, layoutDirection)
43                 close()
44             }
45         return Outline.Generic(path)
46     }
47 
equalsnull48     override fun equals(other: Any?): Boolean {
49         if (this === other) return true
50         return (other as? GenericShape)?.builder === builder
51     }
52 
hashCodenull53     override fun hashCode(): Int {
54         return builder.hashCode()
55     }
56 }
57