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package scalam.plotting.styles.color
import scalam.m.ast._
import scalam.plotting.DataSet
import scalam.plotting.styles.Style
import scalam.plotting.styles.StyleElement
class MColorStyle(val function: Identifier) extends Style[Color] {
private val ColorVariable = Identifier("cc")
private def initial(dataSets: Seq[DataSet]) = Seq(Assign(ColorVariable, Function(function, IntLiteral(dataSets.length))))
private def map(dataSets: Iterable[DataSet]) = (for ((d, i) <- dataSets.zipWithIndex) yield d -> new Color {
def expression = IndexMatrix(ColorVariable, IntLiteral(i + 1), SliceLiteral)
}).toMap
override def apply(dataSets: Seq[DataSet]) = (initial(dataSets), map(dataSets))
}
object HSV extends MColorStyle(Identifier("hsv"))
object JET extends MColorStyle(Identifier("jet"))
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