Svg.filter.morphology: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 4930-4937 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=4930&end_line=4937

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

def filter.morphology(+as: List<&2, XML.Attr>, +format: Raster, +input: FilterInput, +units: Matrix, window: FilterWindow, +linear: Bool, +aa: U32) -> Raster:
  +values = U.numbers(XML.attr.get(as, "radius", "0"))
  +rx = U.max(U.nth(values, 0n, 0.0), 0.0)
  +ry = U.max(U.nth(values, 1n, U.nth(values, 0n, 0.0)), 0.0)
  +dilate = U.string.equal(XML.attr.get(as, "operator", "erode"), "dilate")
  +region = filter.input.region(input)
  +first = {FilterInput{filter.draw(format, filter.morphology.axis(matrix.vector(units, Point{rx, 0.0}), raster.scale(format), dilate), input, input, FilterWindow{Bounds{F32.neg(1.0e30), F32.neg(1.0e30), 1.0e30, 1.0e30}, identity(), False{}}, linear, aa), region, False{}, False{}} : FilterInput}
  filter.draw(format, filter.morphology.axis(matrix.vector(units, Point{0.0, ry}), raster.scale(format), dilate), first, first, window, linear, aa)

Uses (22):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.neg
  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=gralha-svg-render@0.1.0.1/svg.bend&name=Bounds
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=FilterInput
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=FilterWindow
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=Matrix
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=Point
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=Raster
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=filter.draw
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=filter.input.region
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=filter.morphology.axis
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=identity
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=matrix.vector
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=raster.scale
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=max
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=nth
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=numbers
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=string.equal
  https://jend.leeeet.dev/definition.txt?path=gralha-xml-doc@0.1.0.1/xml.bend&name=Attr
  https://jend.leeeet.dev/definition.txt?path=gralha-xml-doc@0.1.0.1/xml.bend&name=attr.get