Svg.filter.resource: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 2616-2622 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=2616&end_line=2622

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
import gralha-css-style@0.1.0.1/css.bend as CSS

def filter.resource(result: Maybe<&2, XML.Element>, +box: Bounds, m: Matrix, +w: F32, +h: F32) -> FilterEffect:
  match result:
    case None{}: NoFilter{}
    case Some{XML.Element{name, attrs, kids, txt}}:
      +as = CSS.properties(attrs)
      +object = U.string.equal(XML.attr.get(as, "primitiveUnits", "userSpaceOnUse"), "objectBoundingBox")
      U.branch(FilterEffect, U.string.equal(name, "filter"), _ => FilterSpec{filter.region(as, box, w, h, object), matrix.mul(m, U.choose(Matrix, object, gradient.box(box), identity())), Point{U.choose(F32, object, 1.0, w), U.choose(F32, object, 1.0, h)}, as, kids}, _ => NoFilter{})

Uses (16):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=gralha-css-style@0.1.0.1/css.bend&name=properties
  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=FilterEffect
  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=filter.region
  https://jend.leeeet.dev/definition.txt?path=gralha-svg-render@0.1.0.1/svg.bend&name=gradient.box
  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.mul
  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=string.equal
  https://jend.leeeet.dev/definition.txt?path=gralha-xml-doc@0.1.0.1/xml.bend&name=Element
  https://jend.leeeet.dev/definition.txt?path=gralha-xml-doc@0.1.0.1/xml.bend&name=attr.get