Svg.gradient.build: def of gralha-svg-render@0.1.0.1
Import: import gralha-svg-render@0.1.0.1/svg.bend as Svg
Lines 2403-2422 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=2403&end_line=2422

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 gradient.build(e: XML.Element, +box: Bounds, +w: F32, +h: F32, opacity: F32) -> Brush:
  XML.Element{n, attrs, kids, txt} = e
  +as = CSS.properties(attrs)
  +user = U.string.equal(XML.attr.get(as, "gradientUnits", "objectBoundingBox"), "userSpaceOnUse")
  +vw = U.choose(F32, user, w, 1.0)
  +vh = U.choose(F32, user, h, 1.0)
  +linear = U.string.equal(XML.attr.get(as, "color-interpolation", "sRGB"), "linearRGB")
  +radial = U.string.equal(n, "radialGradient")
  +cx = dimension(as, "cx", vw, "50%")
  +cy = dimension(as, "cy", vh, "50%")
  +radiusRef = F32.sqrt(((vw * vw + vh * vh) / 2.0 : F32))
  Gradient{matrix.inverse(matrix.mul(U.choose(Matrix, user, identity(), gradient.box(box)),
    transform(XML.attr.get(as, "gradientTransform", ""), identity()))), radial,
    U.choose(Point, radial, Point{dimension(as, "fx", vw, F32.show(cx)), dimension(as, "fy", vh, F32.show(cy))},
      Point{dimension(as, "x1", vw, "0%"), dimension(as, "y1", vh, "0%")}),
    U.choose(Point, radial, Point{cx, cy}, Point{dimension(as, "x2", vw, "100%"), dimension(as, "y2", vh, "0%")}),
    dimension(as, "r", radiusRef, "50%"), dimension(as, "fr", radiusRef, "0%"),
    gradient.stops(kids, as, 0.0, linear),
    U.choose(U32, U.string.equal(XML.attr.get(as, "spreadMethod", "pad"), "repeat"), 1,
      U.choose(U32, U.string.equal(XML.attr.get(as, "spreadMethod", "pad"), "reflect"), 2, 0)), opacity, linear}

Uses (23):
  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.div
  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.show
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.sqrt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  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=Brush
  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=dimension
  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=gradient.stops
  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.inverse
  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-svg-render@0.1.0.1/svg.bend&name=transform
  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