MainActivity.kt

val interactionSource = remember {
    MutableInteractionSource()
}
val scope = rememberCoroutineScope()
var sat: Float
var value: Float
val pressOffset = remember {
    mutableStateOf(Offset.Zero)
}
Canvas(
    modifier = Modifier
        .size(300.dp)
        .emitDragGesture(interactionSource)
        .clip(RoundedCornerShape(12.dp))
) {
    val cornerRadius = 12.dp.toPx()
    val satValSize = size
    val bitmap = Bitmap.createBitmap(size.width.toInt(), size.height.toInt(), Bitmap.Config.ARGB_8888)
    val canvas = Canvas(bitmap)
    val satValPanel = RectF(0f, 0f, bitmap.width.toFloat(), bitmap.height.toFloat())
}