if (typeof data.logo === 'string') logo.value = data.logo
}

  const display = window.ztools.getPrimaryDisplay()
  // workArea 同为 DIP，含任务栏扣除，比 size 更安全
  const workArea = display?.workArea || { x: 0, y: 0, width: 1280, height: 800 }
  const screenWDip = workArea.width
  const screenHDip = workArea.height
  // scaleFactor：如 1 / 1.25 / 1.5 / 1.9 / 2
  const scaleFactor = display?.scaleFactor || 1

/** 把数据注入子窗口：调用其 window.__loadScreenOcrResult。 */
function injectData(
  win: any,
  data: { image: string; lines: OcrLine[]; isDark: boolean; logo?: string }
): void {
  try {
    if (!win || (typeof win.isDestroyed === 'function' && win.isDestroyed()) || !win.webContents) {
      return
    }
    // 序列化为安全的 JSON，避免引号/换行破坏 JS 字符串
    const payload = JSON.stringify(data)
    const code = 'window.__loadScreenOcrResult && window.__loadScreenOcrResult(' + payload + ');'
    win.webContents.executeJavaScript(code)
  } catch (_) {
    /* ignore：兜底注入会再试 */
  }
}

const copied = ref('')
let copiedTimer: ReturnType<typeof setTimeout> | null = null

function computeFitScale(): number {
  const vp = viewportRef.value
  const vw = vp ? vp.clientWidth : window.innerWidth
  const vh = vp ? vp.clientHeight : window.innerHeight
  if (!naturalWidth.value || !naturalHeight.value || !vw || !vh) return 1
  // 留 16px 内边距，确保不为负数
  const aw = Math.max(1, vw - 16)
  const ah = Math.max(1, vh - 16)
  return Math.min(aw / naturalWidth.value, ah / naturalHeight.value, 1)
}

// 闪烁标记：点击图上文字复制后，用 id 标记该行闪烁高亮（递增避免重复定时器冲突）。
const flashedIds = ref<Record<number, number>>({})

/** 触发第 i 行的闪烁高亮（图上 + 列表），1.5s 后移除。 */
function flashLine(i: number): void {
  activeIndex.value = i
  const id = (flashedIds.value[i] ?? 0) + 1
  flashedIds.value[i] = id
  window.setTimeout(() => {
    if (flashedIds.value[i] === id) {
      delete flashedIds.value[i]
    }
  }, 1500)
}