Svg.filter.matrix.parse: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 4489-4495 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=4489&end_line=4495

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.matrix.parse(+as: List<&2, XML.Attr>) -> ColorMatrix:
  +kind = XML.attr.get(as, "type", "matrix")
  +vs = U.numbers(XML.attr.get(as, "values", ""))
  U.branch(ColorMatrix, U.string.equal(kind, "saturate"), _ => filter.matrix.saturate(U.nth(vs, 0n, 1.0)),
    _ => U.branch(ColorMatrix, U.string.equal(kind, "hueRotate"), _ => filter.matrix.hue(U.nth(vs, 0n, 0.0)),
      _ => U.branch(ColorMatrix, U.string.equal(kind, "luminanceToAlpha"), _ => ColorMatrix{ColorRow{0.0, 0.0, 0.0, 0.0, 0.0}, ColorRow{0.0, 0.0, 0.0, 0.0, 0.0}, ColorRow{0.0, 0.0, 0.0, 0.0, 0.0}, ColorRow{0.2125, 0.7154, 0.0721, 0.0, 0.0}},
        _ => U.choose(ColorMatrix, U32.is_eq(floats.count(vs), 20), ColorMatrix{filter.matrix.row(vs, 0, 0), filter.matrix.row(vs, 5, 1), filter.matrix.row(vs, 10, 2), filter.matrix.row(vs, 15, 3)}, filter.matrix.identity()))))

Uses (16):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=ColorMatrix
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=ColorRow
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=filter.matrix.hue
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=filter.matrix.identity
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=filter.matrix.row
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=filter.matrix.saturate
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=floats.count
  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=choose
  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