Class
Common
```kotlin
abstract class CornerBasedShape(
val topStart: CornerSize,
val topEnd: CornerSize,
val bottomEnd: CornerSize,
val bottomStart: CornerSize,
) : Shape, Interpolatable
```
Base class for `Shape`s defined by four `CornerSize`s.
#### Parameters
| | |
| --- | --- |
| topStart | a size of the top start corner |
| topEnd | a size of the top end corner |
| bottomEnd | a size of the bottom end corner |
| bottomStart | a size of the bottom start corner |
## Functions
createOutline
```kotlin
abstract fun createOutline(
size: Size,
topStart: Float,
topEnd: Float,
bottomEnd: Float,
bottomStart: Float,
layoutDirection: LayoutDirection,
): Outline
```
Creates `Outline` of this shape for the given `size`.
#### Parameters
| | |
| --- | --- |
| size | the size of the shape boundary. |
| topStart | the resolved size of the top start corner |
| topEnd | the resolved size for the top end corner |
| bottomEnd | the resolved size for the bottom end corner |
| bottomStart | the resolved size for the bottom start corner |
| layoutDirection | the current layout direction. |
copy
```kotlin
abstract fun copy(
topStart: CornerSize = this.topStart,
topEnd: CornerSize = this.topEnd,
bottomEnd: CornerSize = this.bottomEnd,
bottomStart: CornerSize = this.bottomStart,
): CornerBasedShape
```
Creates a copy of this Shape with a new corner sizes.
#### Parameters
| | |
| --- | --- |
| topStart | a size of the top start corner |
| topEnd | a size of the top end corner |
| bottomEnd | a size of the bottom end corner |
| bottomStart | a size of the bottom start corner |
copy
```kotlin
fun copy(all: CornerSize): CornerBasedShape
```
Creates a copy of this Shape with a new corner size.
#### Parameters
| | |
| --- | --- |
| all | a size to apply for all four corners |