squirqle bezier curve

drawBadgeSquirqle.kt

private inline fun drawBadgeSquirqle(canvas: Canvas) {

    val badgeText = badge.toString()

    badgeTextPaint.textScaleX = absCos(animFloat.value * Math.PI)
    badgeTextPaint.getTextBounds(badgeText, 0, badgeText.length, badge.drawRect)

    val cx = centerX + iconHalf
    val cy = centerY - iconHalf
    val w = badge.drawRect.width() * 0.9f
    val h = badge.drawRect.height() * 0.9f

    val left = cx - w
    val right = cx + w
    val top = cy - h
    val bottom = cy + h

    with(badgePath) {
        reset()
        moveTo(left, cy)
        cubicTo(
            left, top,
            left, top,
            cx, top
        )
        cubicTo(
            right, top,
            right, top,
            right, cy
        )
        cubicTo(
            right, bottom,
            right, bottom,
            cx, bottom
        )
        cubicTo(
            left, bottom,
            left, bottom,
            left, cy
        )
    }

    canvas.drawPath(badgePath, badgePaint)

    canvas.drawTextCentered(badgeText, cx, cy, badgeTextPaint, badge.drawRect)
}