Svg.clip.block: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 5239-5252 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=5239&end_line=5252

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

def clip.block(c: Clip, +x0: U32, +y0: U32, +x1: U32, +y1: U32) -> F32:
  match c:
    case ClipAll{}: 1.0
    case ClipShape{es, inv, even, cover}:
      +cov = cover
      cover.block.if(cover.present(cov), cov, x0, y0, x1, y1)
    case ClipUnion{a, b}:
      +u = clip.block(a, x0, y0, x1, y1)
      +v = clip.block(b, x0, y0, x1, y1)
      U.choose(F32, F32.is_lt(u, 0.0) || F32.is_lt(v, 0.0), F32.neg(1.0), (u + v - u * v : F32))
    case ClipIntersect{a, b}:
      +u = clip.block(a, x0, y0, x1, y1)
      +v = clip.block(b, x0, y0, x1, y1)
      U.choose(F32, F32.is_lt(u, 0.0) || F32.is_lt(v, 0.0), F32.neg(1.0), (u * v : F32))

Uses (12):
  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
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.is_lt
  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.neg
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=Clip
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=cover.block.if
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=cover.present
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=choose