python 剪切板截个图
import ctypes from ctypes.wintypes import * import win32clipboard from win32con import * import sys class BITMAPFILEHEADER(ctypes.Structure): _pack_ = 1 # structure field byte alignment _fields_ = [ ('bfType', WORD), # file type ("BM") ('bfSize', DWORD), # file size in bytes ('bfReserved1', WORD), # must be zero ('bfReserved2', WORD), # must be zero ('bfOffBits', DWORD), # byte offset to the pixel array ] SIZEOF_BITMAPFILEHEADER = ctypes.sizeof(BITMAPFILEHEADER) class BITMAPINFOHEADER(ctypes.Structure): _pack_ = 1 # structure field byte alignment _fields_ = [ ('biSize', DWORD), ('biWidth', LONG), ('biHeight', LONG), ('biPLanes', WORD), ('biBitCount', WORD), ('biCompression', DWORD), ('biSizeImage', DWORD), ('biXPelsPerMeter', LONG), ('biYPelsPerMeter', LONG), ('biClrUsed', DWORD), ('biClrImportant', DWORD) ] SIZEOF_BITMAPINFOHEADER = ctypes.sizeof(BITMAPINFOHEADER) win32clipboard.OpenClipboard() try: if win32clipboard.IsClipboardFormatAvailable(win32clipboard.CF_DIB): data = win32clipboard.GetClipboardData(win32clipboard.CF_DIB) else: print('clipboard does not contain an image in DIB format') sys.exit(1) finally: win32clipboard.CloseClipboard() bmih = BITMAPINFOHEADER() ctypes.memmove(ctypes.pointer(bmih), data, SIZEOF_BITMAPINFOHEADER) if bmih.biCompression != BI_BITFIELDS: # RGBA? print('insupported compression type {}'.format(bmih.biCompression)) sys.exit(1) bmfh = BITMAPFILEHEADER() ctypes.memset(ctypes.pointer(bmfh), 0, SIZEOF_BITMAPFILEHEADER) # zero structure bmfh.bfType = ord('B') | (ord('M') << 8) bmfh.bfSize = SIZEOF_BITMAPFILEHEADER + len(data) # file size SIZEOF_COLORTABLE = 0 bmfh.bfOffBits = SIZEOF_BITMAPFILEHEADER + SIZEOF_BITMAPINFOHEADER + SIZEOF_COLORTABLE bmp_filename = 'clipboard.bmp' with open(bmp_filename, 'wb') as bmp_file: bmp_file.write(bmfh) bmp_file.write(data) print('file "{}" created from clipboard image'.format(bmp_filename))