Svg.cover.sub: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 4081-4083 of gralha-svg-render@0.1.0.1/svg.bend: https://jend.leeeet.dev/read.txt?path=gralha-svg-render@0.1.0.1/svg.bend&start_line=4081&end_line=4083

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

# Sub-scanlines per pixel row: the requested AA level, never below four.
def cover.sub(+aa: U32) -> U32:
  U.choose(U32, U32.is_lt(aa, 4), 4, aa)

Uses (3):
  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_lt
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=choose