package nl.astraeus.vst.ui.components

import nl.astraeus.vst.util.formatDouble
import kotlin.math.log10
import kotlin.math.pow

/**
 * User: rnentjes
 * Date: 26-11-17
 * Time: 16:52
 */

class ExpKnobComponent(
  value: Double = 1.0,
  label: String = "",
  minValue: Double = 0.0,
  maxValue: Double = 5.0,
  step: Double = 0.1,
  width: Int = 50,
  height: Int = 60,
  renderer: (Double) -> String = { nv -> formatDouble(nv, 3) },
  callback: (Double) -> Unit = {}
) : BaseKnobComponent(
  value,
  label,
  minValue,
  maxValue,
  log10(maxValue / (maxValue - step)),
  false,
  width,
  height,
  0.005,
  { log10(it) },
  { 10.0.pow(it) },
  renderer,
  callback
)