def filter.transfer

gralha-svg-render@0.1.0.1 · svg.bend:4524

import Base
import gralha-text-scan@0.1.0.1/scan.bend as U
import gralha-image@0.1.0.1/image.bend as Img

4524def filter.transfer(r: Transfer, g: Transfer, b: Transfer, a: Transfer, c: Img.Color) -> Img.Color:
4525  Img.Color{cr, cg, cb, ca} = c
4526  +alpha = ca
4527  color.premultiply(Img.Color{transfer.apply(r, (cr / U.max(alpha, 0.0000001) : F32)), transfer.apply(g, (cg / U.max(alpha, 0.0000001) : F32)), transfer.apply(b, (cb / U.max(alpha, 0.0000001) : F32)), transfer.apply(a, alpha)})