Jpeg.jpeg.idct.components: def of gralha-jpeg-decode@0.1.0.1
Import: import gralha-jpeg-decode@0.1.0.1/jpeg.bend as Jpeg
Lines 657-665 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=657&end_line=665

import Base
import gralha-bytes@0.1.0.1/bytes.bend as Bin

def jpeg.idct.components(xs: List<&2, JPEGComponent>, +quants: List<&2, JPEGQuant>) -> List<&2, JPEGComponent>:
  match xs:
    case Nil{}: Nil{}
    case Con{JPEGComponent{id, h, v, quant, dc, ac, predictor, bw, bh, coefficients, samples}, rest}:
      +cs = coefficients
      +qq = quant
      +ww = bw
      +hh = bh
      Con{JPEGComponent{id, h, v, qq, dc, ac, predictor, ww, hh, cs, jpeg.idct.blocks(U32.to_nat((ww * hh : U32)), 0, ww, cs, jpeg.quant.find(quants, qq), Bin.bytes.zero((ww * hh * 64 : U32)))}, jpeg.idct.components(rest, quants)}

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=gralha-bytes@0.1.0.1/bytes.bend&name=bytes.zero
  https://jend.leeeet.dev/definition.txt?path=gralha-jpeg-decode@0.1.0.1/jpeg.bend&name=JPEGComponent
  https://jend.leeeet.dev/definition.txt?path=gralha-jpeg-decode@0.1.0.1/jpeg.bend&name=JPEGQuant
  https://jend.leeeet.dev/definition.txt?path=gralha-jpeg-decode@0.1.0.1/jpeg.bend&name=jpeg.idct.blocks
  https://jend.leeeet.dev/definition.txt?path=gralha-jpeg-decode@0.1.0.1/jpeg.bend&name=jpeg.quant.find