"""剪贴板图片检测 (check-only) — 33ms avg, 零依赖"""
import ctypes
import sys
# CF_DIB = 8 (Device Independent Bitmap)
has_image = ctypes.windll.user32.IsClipboardFormatAvailable(8)
print("true" if has_image else "false")
sys.exit(0 if has_image else 1)