Cover.mask.box: def of gralha-coverage@0.1.0.1
Import: import gralha-coverage@0.1.0.1/cover.bend as Cover
Lines 1171-1178 of gralha-coverage@0.1.0.1/cover.bend: https://jend.leeeet.dev/read.txt?path=gralha-coverage@0.1.0.1/cover.bend&start_line=1171&end_line=1178

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

def mask.box(+xs: List<&2, CovLine>, +even: Bool, +width: U32, +height: U32, +sub: U32, box: CovBox, +trees: Bool) -> CovMask:
  CovBox{x0, y0, x1, y1} = box
  +gx = F32.to_u32(U.clamp(F32.floor(x0), 0.0, U32.to_f32(width)))
  +gy = F32.to_u32(U.clamp(F32.floor(y0), 0.0, U32.to_f32(height)))
  +ex = F32.to_u32(U.clamp(F32.ceil(x1), 0.0, U32.to_f32(width)))
  +ey = F32.to_u32(U.clamp(F32.ceil(y1), 0.0, U32.to_f32(height)))
  U.branch(CovMask, U32.is_ge(gx, ex) || U32.is_ge(gy, ey), _ => CovMask{0, 0, 0, 0, 0, 0n, CovTreed{CovFlat{0.0}}, True{}},
    _ => mask.build(xs, gx, gy, (ex - gx : U32), (ey - gy : U32), even, sub, trees))

Uses (18):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.ceil
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.floor
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.to_u32
  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.is_ge
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_f32
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovBox
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovData
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovLine
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovMask
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=CovTree
  https://jend.leeeet.dev/definition.txt?path=gralha-coverage@0.1.0.1/cover.bend&name=mask.build
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=branch
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=clamp