Function parseShapeNode

apps/sim/lib/pptx-renderer/model/nodes/shape-node.ts:173–267

(spNode: SafeXmlNode)

 * Parse a shape XML node (`p:sp` or `p:cxnSp`) into ShapeNodeData.
 */
export function parseShapeNode(spNode: SafeXmlNode): ShapeNodeData {
  const base = parseBaseProps(spNode)
  const spPr = spNode.child('spPr')

  // --- Preset geometry ---
  const prstGeom = spPr.child('prstGeom')
  const presetGeometry = prstGeom.attr('prst')
  const avLst = prstGeom.child('avLst')
  const adjustments = parseAdjustments(avLst)

  // --- Custom geometry ---
  const custGeom = spPr.child('custGeom')
  const customGeometry = custGeom.exists() ? custGeom : undefined

  // --- Fill ---
  const fill = findFill(spPr)

  // --- Line ---
  const ln = spPr.child('ln')
  const line = ln.exists() ? ln : undefined

  // --- Line end markers (arrowheads) ---
  let headEnd: LineEndInfo | undefined
  let tailEnd: LineEndInfo | undefined
  if (ln.exists()) {
    const headEndNode = ln.child('headEnd')
    if (headEndNode.exists()) {
      const t = headEndNode.attr('type')
      if (t && t !== 'none') {
        headEnd = { type: t, w: headEndNode.attr('w'), len: headEndNode.attr('len') }
      }
    }
    const tailEndNode = ln.child('tailEnd')
    if (tailEndNode.exists()) {
      const t = tailEndNode.attr('type')
      if (t && t !== 'none') {
        tailEnd = { type: t, w: tailEndNode.attr('w'), len: tailEndNode.attr('len') }
      }
    }
  }

  // --- Text body ---
  const txBody = spNode.child('txBody')
  const textBody = parseTextBody(txBody)

  // --- Text transform (diagram shapes: dsp:txXfrm gives text box position/size in same space as xfrm)
  let textBoxBounds: TextBoxBounds | undefined
  const txXfrm = spNode.child('txXfrm')
  if (txXfrm.exists()) {
    const txOff = txXfrm.child('off')
    const txExt = txXfrm.child('ext')
    const xfrm = spPr.child('xfrm')
    const off = xfrm.child('off')
    const ext = xfrm.child('ext')
    const shapeX = off.numAttr('x') ?? 0
    const shapeY = off.numAttr('y') ?? 0
    const shapeW = ext.numAttr('cx') ?? 0
    const shapeH = ext.numAttr('cy') ?? 0