Jpeg.jpeg.scan.extent: def of gralha-jpeg-decode@0.1.0.1
Import: import gralha-jpeg-decode@0.1.0.1/jpeg.bend as Jpeg
Lines 516-520 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=516&end_line=520

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

def jpeg.scan.extent(xs: List<&2, JPEGComponent>, w: U32, h: U32, hm: U32, vm: U32, +vertical: Bool) -> U32:
  match xs:
    case Nil{}: 0
    case Con{JPEGComponent{id, hh, vv, quant, dc, ac, predictor, bw, bh, coefficients, samples}, rest}:
      jpeg.ceil((U.choose(U32, vertical, h, w) * U.choose(U32, vertical, vv, hh) : U32), (U.choose(U32, vertical, vm, hm) * 8 : U32))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=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=jpeg.ceil
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=choose