kitepdf/io.github.yuroyami.kitepdf.render/PdfFunction/Type2

Type2

data class Type2(val domain: DoubleArray, val range: DoubleArray?, val c0: DoubleArray, val c1: DoubleArray, val n: Double) : PdfFunction

Exponential interpolation. Maps a single-component input x in [domain[0], domain[1]] to c0 + x^N * (c1 - c0) per output channel. The N ("exponent") of 1 yields linear interpolation; >1 biases toward c0; <1 toward c1.

Constructors

Type2

constructor(domain: DoubleArray, range: DoubleArray?, c0: DoubleArray, c1: DoubleArray, n: Double)

Properties

val c0: DoubleArray

val c1: DoubleArray

domain

open override val domain: DoubleArray

Input bounds — paired [min0, max0, min1, max1, …].

val n: Double

outputCount

open override val outputCount: Int

Number of output components.

range

open override val range: DoubleArray?

Optional output bounds; null = unclipped.

Functions

equals

open operator override fun equals(other: Any?): Boolean

evaluate

fun evaluate(input: DoubleArray): DoubleArray

Evaluate f(input) → output. The output length is outputCount.

hashCode

open override fun hashCode(): Int