TicketListItemShape.kt

package com.jesusm.passesreader.ui.base

import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.geometry.Rect
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

class TicketListItemShape(
    private val cornerRadius: Float,
) : Shape {
    override fun createOutline(
        size: Size,
        layoutDirection: LayoutDirection,
        density: Density
    ): Outline {
        return Outline.Generic(
            path = drawPath(
                size = size,
                cornerRadius = cornerRadius,
            )
        )
    }

    private fun drawPath(
        size: Size,
        cornerRadius: Float
    ): Path {
        val cornerSize = Size(width = cornerRadius * 2, height = cornerRadius * 2)
        return Path().apply {
            reset()
            // Top start arc
            arcTo(
                rect = Rect(
                    Offset(x = 0f, y = 0f),
                    cornerSize
                ),
                startAngleDegrees = 180f,
                sweepAngleDegrees = 90f,
                forceMoveTo = false
            )
            lineTo(x = (size.width / 2) - cornerRadius, y = 0f)
            arcTo(
                rect = Rect(
                    Offset(x = (size.width / 2) - cornerRadius, y = -cornerRadius),
                    cornerSize
                ),
                startAngleDegrees = 180.0f,
                sweepAngleDegrees = -180.0f,
                forceMoveTo = false
            )
            lineTo(x = size.width - (cornerRadius / 2), y = 0f)

            // Top end arc
            arcTo(
                rect = Rect(
                    Offset(x = size.width - (cornerRadius * 2), y = 0f),
                    cornerSize
                ),
                startAngleDegrees = 270f,
                sweepAngleDegrees = 90f,
                forceMoveTo = false
            )

            lineTo(x = size.width, y = size.height)

            lineTo(x = 0f, y = size.height)

            lineTo(x = 0f, y = cornerRadius)

            close()
        }
    }
}