def bmp_info(data): data = data[:30] #截取前面30个字节 info = struct.unpack('<ccIIIIIIHH',data) if info[0] + info[1] == b'B' + b'M': #判断是否是Windows位图文件 width = info[6] height = info[7] color = info[9] return { 'width': width, 'height': height, 'color': color } else: raise TypeError('File is bad')
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