229 lines
6.3 KiB
Python
229 lines
6.3 KiB
Python
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#!/usr/bin/python
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from PIL import Image
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import math
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import numpy
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def to24Bit(data):
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red = (data >> 5) * 32;
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green = ((data & 28) >> 2) * 32;
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blue = (data & 3) * 64;
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return [red, green, blue]
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def to8Bit(pixel):
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# return (math.floor((pixel[0] / 32)) << 5) + (math.floor((pixel[1] / 32)) << 2) + math.floor((pixel[2] / 64))
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return (pixel[0] * 7 // 255) << 5 + (pixel[1] * 7 // 255) << 2 + (pixel[2] * 3 // 255)
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images = ["house", "trees", "lake", "sky", "sheep", "snake"]
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tileSize = 10
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im = Image.open("Piet'ers Gallery_files/house.png")
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pix = im.load()
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numTiles = im.size[0] // tileSize
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for y in range(im.size[1] - 2 * tileSize):
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line = ""
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for x in range(im.size[0] - 2 * tileSize):
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x_abs = x + tileSize
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y_abs = y + tileSize
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pixelX = min(math.floor(x_abs / tileSize) * tileSize + 5, im.size[0] - 5)
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pixelY = min(math.floor(y_abs / tileSize) * tileSize + 5, im.size[1] - 5)
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pixels = [
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pix[5, pixelY],
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pix[im.size[0] - 5, pixelY],
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pix[pixelX, 5],
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pix[pixelX, im.size[1] - 5]
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]
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result = ((pixels[0] | pixels[1]) & (pixels[2] | pixels[3]))
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pix[x_abs, y_abs] = result
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for tileY in range(numTiles):
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line = ""
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for tileX in range(numTiles):
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p = pix[tileX * tileSize + 5, tileY * tileSize + 5]
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# line += "%08d " % int(bin(p)[2:])
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line += chr(p)
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print(line)
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im.save("test.png")
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# def decodePixel(x, y, tileSize):
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# # x_abs = x*tileSize + tileSize // 2
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# # y_abs = y*tileSize + tileSize // 2
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# pixel = pix[x, y]
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#
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# return pixel
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# return "%02d" % pixel
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# r = pixel[0]
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# g = pixel[1]
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# b = pixel[2]
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# bit8 = to8Bit(pixel)
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# return colors[pixel]
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# r = 1 if r == 192 else (10 if r == 255 else r)
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# g = 1 if g == 192 else (10 if g == 255 else g)
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# b = 1 if b == 192 else (10 if b == 255 else b)
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# return "%02d%02d%02d" % (r, g, b)
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# return "%02d" % pixel
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# return "%08d" % int(bin(bit8)[2:])
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# What to do with this pixel?
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# return bin(pixel)[2:]
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# return "%04d" % int(bin(pixel)[2:])
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# return str(chr(ord('A') + pixel))
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# return pix[x,y]
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# for imageName in images:
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# im = Image.open("Piet'ers Gallery_files/%s.png" % imageName)
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# pix = im.load()
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#
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# tileSize = 10
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# tilesW = im.size[0] // tileSize
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# tilesH = im.size[1] // tileSize
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# #
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# data = []
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#
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# # First row
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# for x in range(tilesW):
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# data.append(decodePixel(x, 0, tileSize))
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#
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# # Column right
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# for y in range(1, tilesH - 1):
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# data.append(decodePixel(tilesW - 1, y, tileSize))
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#
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# # Row bottom
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# for x in reversed(range(tilesW - 1)):
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# data.append(decodePixel(x, tilesH - 1, tileSize))
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#
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# # Column left
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# for y in reversed(range(1, tilesH - 1)):
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# data.append(decodePixel(0, y, tileSize))
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#
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# # print(''.join(data))
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# print(imageName, "\t", ' '.join(data))
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# for
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# im = Image.open("Piet'ers Gallery_files/lake.png")
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# im = Image.open("Piet'ers Gallery_files/house_2.png")
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# im = Image.frombytes('P', im.size, im.tobytes())
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# for imageName in images:
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# im = Image.open("Piet'ers Gallery_files/%s.png" % imageName)
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# pix = im.load()
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#
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# tileSize = 10
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# tilesW = im.size[0] // tileSize
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# tilesH = im.size[1] // tileSize
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# for y in range(im.size[1] - 2 * tileSize):
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# line = ""
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# for x in range(im.size[0] - 2 * tileSize):
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# x_abs = x + tileSize
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# y_abs = y + tileSize
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#
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# pixelX = min(math.floor(x_abs / tileSize) * tileSize + 5, im.size[0] - 5)
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# pixelY = min(math.floor(y_abs / tileSize) * tileSize + 5, im.size[1] - 5)
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#
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# pixels = [
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# pix[5, pixelY],
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# pix[im.size[0] - 5, pixelY],
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# pix[pixelX, 5],
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# pix[pixelX, im.size[1] - 5]
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# ]
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#
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# result = (pixels[0] ^ pixels[1] ^ pixels[2] ^ pixels[3]) % 18
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# line += str(result)
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#
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# print(pixels)
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# pixelX = 5 if (x_abs < im.size[0] // 2) else im.size[0] - 5
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# pixelY = 5 if (y_abs < im.size[1] // 2) else im.size[1] - 5
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# print("pixelX, pixelY", pixelX, pixelY, x, y)
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# print("asdas", x, y)
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# pixel1 = decodePixel(pixelX, , tileSize)
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# pixel2 = decodePixel(math.floor(x_abs / tileSize) * tileSize, pixelY, tileSize)
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# pix[x_abs, y_abs] = result
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# print(line)
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#
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# im.save("%s_decoded.png" % imageName)
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# data = []
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#
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# # First row
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# for x in range(tilesW):
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# data.append(decodePixel(x, 0))
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#
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# # Column right
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# for y in range(1, tilesH - 1):
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# data.append(decodePixel(tilesW - 1, y))
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#
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# # Row bottom
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# for x in reversed(range(tilesW - 1)):
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# data.append(decodePixel(x, tilesH - 1))
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#
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# # Column left
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# for y in reversed(range(1, tilesH - 1)):
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# data.append(decodePixel(0, y))
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# #
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# print(''.join(data))
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# print(len(''.join(data)))
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# for x in range(tilesW):
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# data.append(decodePixel(x, 0))
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# pixel = numpy.array(im)
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# print(bin(pix[4*tileSize + 5,0]))
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# data = [[0 for x in range(tilesW)] for y in range(tilesH)]
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# for y in range(tilesH):
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# line = ""
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# for x in range(tilesW):
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# # pixel = im.getpixel((x * tileSize + 5, y * tileSize + 5))
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# pixel = pix[x * tileSize + 5, y * tileSize + 5]
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# # binary = bin(pixel)[2:]
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# # binaryStr = "%08d" % int(binary)
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# # line += binaryStr
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# # line += chr(ord('A') + pixel)
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# # data[x][y] = pixel
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# # line += chr(pixel)
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# # print(to24Bit(int(binaryStr[::-1], 2)))
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# # print(binaryStr, binary, chr(pixel))
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# # str = str + binaryStr
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# # str += binary
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# line += "%02d" % pixel
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# print(line)
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# data[1][1] = data[0][1] + data[1][0]
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# for x in range(1,tilesW//2 + 1):
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# data[x][1] = data[0][x] | data[1][0]
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# print(chr(ord('A') + data[x][1]))
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# for y in range(1,tilesH):
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# pixel = pix[tilesW * tileSize - 5, y * tileSize + 5]
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# binary = bin(pixel)[2:]
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# binaryStr = "%08d" % int(binary)
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# str = str + binaryStr
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#
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# print(str)
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#
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# data = [
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# [255,192,255],
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# [255,0,255],
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# [0,255,255]
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# ]
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#
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# print(' '.join(["%08d" % int(bin(to8Bit(p))[2:]) for p in data]))
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# print(pix[5, 15], pix[5, 25], pix[5, 35], pix[5, 45], pix[5, 55])
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