Function applyStyleFill

apps/sim/lib/pptx-renderer/renderer/table-renderer.ts:223–261

* Apply fill from a table style tcStyle node. * Structure: ... or ...

(td: HTMLElement, tcStyle: SafeXmlNode, ctx: RenderContext)

 * Structure: <a:tcStyle> <a:fill> <a:solidFill>... or <a:fillRef>...
 */
function applyStyleFill(td: HTMLElement, tcStyle: SafeXmlNode, ctx: RenderContext): boolean {
  const fill = tcStyle.child('fill')
  if (!fill.exists()) return false

  // solidFill
  const solidFill = fill.child('solidFill')
  if (solidFill.exists()) {
    const { color, alpha } = resolveColor(solidFill, ctx)
    const hex = color.startsWith('#') ? color : `#${color}`
    if (alpha < 1) {
      const { r, g, b } = hexToRgb(hex)
      td.style.backgroundColor = `rgba(${r},${g},${b},${alpha.toFixed(3)})`
    } else {
      td.style.backgroundColor = hex
    }
    return true
  }

  // fillRef (theme fill reference)
  const fillRef = fill.child('fillRef')
  if (fillRef.exists()) {
    // fillRef contains a color child + idx attribute
    const { color, alpha } = resolveColor(fillRef, ctx)
    const hex = color.startsWith('#') ? color : `#${color}`
    if (alpha < 1) {
      const { r, g, b } = hexToRgb(hex)
      td.style.backgroundColor = `rgba(${r},${g},${b},${alpha.toFixed(3)})`
    } else {
      td.style.backgroundColor = hex
    }
    return true
  }

  // noFill
  const noFill = fill.child('noFill')
  if (noFill.exists()) return true // explicitly no fill

  return false
}

/**
 * Apply borders from a table style tcStyle node.