chore: import upstream snapshot with attribution

apps/sim/lib/pptx-renderer/model/nodes/pic-node.ts

@@ -0,0 +1,102 @@
+/**
+ * Picture node parser — handles images, video placeholders, and audio placeholders.
+ */
+
+import type { SafeXmlNode } from '../../parser/xml-parser'
+import { type BaseNodeData, parseBaseProps } from './base-node'
+
+interface CropRect {
+  top: number
+  bottom: number
+  left: number
+  right: number
+}
+
+export interface PicNodeData extends BaseNodeData {
+  nodeType: 'picture'
+  blipEmbed?: string
+  blipLink?: string
+  crop?: CropRect
+  /** @internal Raw XML node — opaque to consumers. Use serializePresentation() for JSON-safe data. */
+  fill?: SafeXmlNode
+  /** @internal Raw XML node — opaque to consumers. Use serializePresentation() for JSON-safe data. */
+  line?: SafeXmlNode
+  isVideo?: boolean
+  isAudio?: boolean
+  mediaRId?: string
+}
+
+/** OOXML encodes srcRect percentages as 1/100000 of full extent. */
+const CROP_DIVISOR = 100000
+
+/**
+ * Parse a picture XML node (`p:pic`) into PicNodeData.
+ */
+export function parsePicNode(picNode: SafeXmlNode): PicNodeData {
+  const base = parseBaseProps(picNode)
+
+  // --- Blip fill ---
+  const blipFill = picNode.child('blipFill')
+  const blip = blipFill.child('blip')
+
+  // Try both namespaced and non-namespaced embed attribute
+  const blipEmbed = blip.attr('embed') ?? blip.attr('r:embed')
+  const blipLink = blip.attr('link') ?? blip.attr('r:link')
+
+  // --- Crop (srcRect) ---
+  const srcRect = blipFill.child('srcRect')
+  let crop: CropRect | undefined
+  if (srcRect.exists()) {
+    const t = srcRect.numAttr('t')
+    const b = srcRect.numAttr('b')
+    const l = srcRect.numAttr('l')
+    const r = srcRect.numAttr('r')
+    if (t !== undefined || b !== undefined || l !== undefined || r !== undefined) {
+      crop = {
+        top: (t ?? 0) / CROP_DIVISOR,
+        bottom: (b ?? 0) / CROP_DIVISOR,
+        left: (l ?? 0) / CROP_DIVISOR,
+        right: (r ?? 0) / CROP_DIVISOR,
+      }
+    }
+  }
+
+  // --- Shape properties (fill + line) ---
+  const spPr = picNode.child('spPr')
+  const solidFill = spPr.child('solidFill')
+  const gradFill = spPr.child('gradFill')
+  const fill = solidFill.exists() ? solidFill : gradFill.exists() ? gradFill : undefined
+
+  const ln = spPr.child('ln')
+  const line = ln.exists() ? ln : undefined
+
+  // --- Video / Audio detection ---
+  const nvPicPr = picNode.child('nvPicPr')
+  const nvPr = nvPicPr.child('nvPr')
+
+  const videoFile = nvPr.child('videoFile')
+  const audioFile = nvPr.child('audioFile')
+
+  const isVideo = videoFile.exists()
+  const isAudio = audioFile.exists()
+
+  let mediaRId: string | undefined
+  if (isVideo) {
+    mediaRId = videoFile.attr('link') ?? videoFile.attr('r:link')
+  } else if (isAudio) {
+    mediaRId = audioFile.attr('link') ?? audioFile.attr('r:link')
+  }
+
+  return {
+    ...base,
+    nodeType: 'picture',
+    blipEmbed,
+    blipLink,
+    crop,
+    fill,
+    line,
+    isVideo: isVideo || undefined,
+    isAudio: isAudio || undefined,
+    mediaRId,
+  }
+}