Function inferPathExtent

apps/sim/lib/pptx-renderer/shapes/custom-geometry.ts:7–35

(pathNode: SafeXmlNode)

import type { SafeXmlNode } from '../parser/xml-parser'

function inferPathExtent(pathNode: SafeXmlNode): { w: number; h: number } {
  let maxX = 0
  let maxY = 0

  for (const cmd of pathNode.allChildren()) {
    if (cmd.localName === 'moveTo' || cmd.localName === 'lnTo') {
      const pt = cmd.child('pt')
      maxX = Math.max(maxX, pt.numAttr('x') ?? 0)
      maxY = Math.max(maxY, pt.numAttr('y') ?? 0)
      continue
    }
    if (cmd.localName === 'cubicBezTo' || cmd.localName === 'quadBezTo') {
      for (const pt of cmd.children('pt')) {
        maxX = Math.max(maxX, pt.numAttr('x') ?? 0)
        maxY = Math.max(maxY, pt.numAttr('y') ?? 0)
      }
      continue
    }
    if (cmd.localName === 'arcTo') {
      maxX = Math.max(maxX, cmd.numAttr('wR') ?? 0)
      maxY = Math.max(maxY, cmd.numAttr('hR') ?? 0)
    }
  }

  return {
    w: Math.max(1, maxX),
    h: Math.max(1, maxY),
  }
}

/**
 * Render a custom geometry element to an SVG path d-attribute string.