def image(self, image):
        """Set buffer to value of Python Imaging Library image.  The image should
        be in 1 bit mode and a size equal to the display size.
        """
        if image.mode != '1':
            raise ValueError('Image must be in mode 1.')
        imwidth, imheight = image.size
        if imwidth != self.width or imheight != self.height:
            raise ValueError('Image must be same dimensions as display ({0}x{1}).' \
                .format(self.width, self.height))
        # Grab all the pixels from the image, faster than getpixel.
        pix = image.load()
        # Iterate through the memory pages
        index = 0
        for page in range(self._pages):
            # Iterate through all x axis columns.
            for x in range(self.width):
                # Set the bits for the column of pixels at the current position.
                bits = 0
                # Don't use range here as it's a bit slow
                for bit in [0, 1, 2, 3, 4, 5, 6, 7]:
                    bits = bits << 1
                    bits |= 0 if pix[(x, page*8+7-bit)] == 0 else 1
                # Update buffer byte and increment to next byte.
                self._buffer[index] = bits
                index += 1
dataset/ETHPy150Open adafruit/Adafruit_Python_SSD1306/Adafruit_SSD1306/SSD1306.py/SSD1306Base.image/original