Jpeg.jpeg.ycck: def of gralha-jpeg-decode@0.1.0.1
Import: import gralha-jpeg-decode@0.1.0.1/jpeg.bend as Jpeg
Lines 701-703 of gralha-jpeg-decode@0.1.0.1/jpeg.bend: https://jend.leeeet.dev/read.txt?path=gralha-jpeg-decode@0.1.0.1/jpeg.bend&start_line=701&end_line=703

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

def jpeg.ycck(c: Img.Color, +k: F32) -> Img.Color:
  Img.Color{r, g, b, a} = c
  Img.Color{jpeg.channel(((1.0 - r) * k : F32)), jpeg.channel(((1.0 - g) * k : F32)), jpeg.channel(((1.0 - b) * k : F32)), 1.0}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sub
  https://jend.leeeet.dev/definition.txt?path=gralha-image@0.1.0.1/image.bend&name=Color
  https://jend.leeeet.dev/definition.txt?path=gralha-jpeg-decode@0.1.0.1/jpeg.bend&name=jpeg.channel