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package reading.component.style
import scala.util.Try
import scalacss.internal.{ ValueT, Color => ScalaCssColor }
case class Color(red: Int, green: Int, blue: Int, alpha: Double = 1.0) {
val value: ValueT[ValueT.Color] = ScalaCssColor.rgba(red, green, blue, alpha)
def lighten(pct: Int): Color = ratio(1.0 + pct / 100.0)
def darken(pct: Int): Color = ratio(1.0 - pct / 100.0)
private def ratio(r: Double): Color =
Color(
red = Color.bound(red * r),
green = Color.bound(green * r),
blue = Color.bound(blue * r),
alpha = alpha
)
}
// http://chir.ag/projects/name-that-color
object Color {
val black = Color.fromHex("#000000")
val mickado = Color.fromHex("#2D2510")
val white = Color.fromHex("#FFFFFF")
val gray = Color.fromHex("#808080")
val eastBay = Color.fromHex("#505080")
val congoBrown = Color.fromHex("#57363E")
val stiletto = Color.fromHex("#9C3336")
val englishWalnut = Color.fromHex("#3F2626")
def fromHex(hex: String, alpha: Double = 1.0) =
Color(
red = Try(Integer.parseInt(hex.slice(1, 3), 16)).getOrElse(0),
green = Try(Integer.parseInt(hex.slice(3, 5), 16)).getOrElse(0),
blue = Try(Integer.parseInt(hex.slice(5, 7), 16)).getOrElse(0),
alpha = alpha
)
def bound(n: Int): Int = Math.max(0, Math.min(255, n))
def bound(d: Double): Int = bound(d.toInt)
}
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