def get_qrcode(ver, ecl, str, save_place):
# Data Coding
ver, data_codewords = data.encode(ver, ecl, str)
# Error Correction Coding
ecc = ECC.encode(ver, ecl, data_codewords)
# Structure final bits
final_bits = structure.structure_final_bits(ver, ecl, data_codewords, ecc)
# Get the QR Matrix
qrmatrix = matrix.get_qrmatrix(ver, ecl, final_bits)
# Draw the picture and Save it, then return the real ver and the absolute name
return ver, draw.draw_qrcode(save_place, qrmatrix)
def get_qrcode(ver, ecl, str):
# Data Coding
ver, data_codewords = data.encode(ver, ecl, str)
# Error Correction Coding
ecc = ECC.encode(ver, ecl, data_codewords)
# Structure final bits
final_bits = structure.structure_final_bits(ver, ecl, data_codewords, ecc)
# Get the QR Matrix
qrmatrix = matrix.get_qrmatrix(ver, ecl, final_bits)
# Draw the picture and Save it, then return the real ver and the absolute name
return ver, draw.draw_qrcode(qrmatrix)
def get_qrcode(ver: object, ecl: object, string: str, scale: int,
color: tuple) -> object:
# Data Coding
ver, data_codewords = data.encode(ver, ecl, string)
# Error Correction Coding
ecc = ECC.encode(ver, ecl, data_codewords)
# Structure final bits
final_bits = structure.structure_final_bits(ver, ecl, data_codewords, ecc)
# Get the QR Matrix
qrmatrix = matrix.get_qrmatrix(ver, ecl, final_bits)
# Draw the picture and Save it, then return the real ver and the absolute name
return ver, draw.draw_qrcode(qrmatrix, scale, color)
def get_qrcode(ver, ecl, str, save_place):
# ver == 0: default that is depending on str and ecl
if ver not in range(41):
print('WARNING: Version Error! Please choose a version from 0 to 40!')
elif ecl not in 'LMQH':
print('WARNING: Level Error! Please choose one of L,M,Q,H!')
elif any(i not in supported_chars for i in str):
print('WARNING: Input Error! Some characters are not supported.')
else:
# Data Coding
ver, data_codewords = data.encode(ver, ecl, str)
# Error Correction Coding
ecc = ECC.encode(ver, ecl, data_codewords)
# Structure final bits
final_bits = structure.structure_final_bits(ver, ecl, data_codewords,
ecc)
# Get the QR Matrix
qrmatrix = matrix.get_qrmatrix(ver, ecl, final_bits)
# Draw the picture and Save it, then return the real ver and the absolute name
return ver, draw.draw_qrcode(save_place, qrmatrix)
def generate(text: str, version: int = 1, level: str = 'H', scale: int = 1,
color: tuple = (0, 0, 0), image: object = None,
imagesize: tuple = (10, 10), gold: object = None) -> object:
# Data Coding
version, data_codewords = data.encode(version, level, text)
# Error Correction Coding
ecc = ECC.encode(version, level, data_codewords)
# Structure final bits
final_bits = structure.structure_final_bits(version, level, data_codewords, ecc)
# Get the QR Matrix
qrmatrix = matrix.get_qrmatrix(version, level, final_bits)
unit_len = 4 * scale
x = y = 0
qr = Image.new('RGBA', [len(qrmatrix) * unit_len] * 2, 0)
# Gold source
if gold == 'tile':
tile = Image.open('gold-dark.jpg')
tile = tile.resize(qr.size, Image.ANTIALIAS).convert('RGBA')
for line in qrmatrix:
for module in line:
if module:
if gold == 'tile':
for i in range(unit_len):
for j in range(unit_len):
coordinate = a, b = x + i, y + j
pixelcolor = tile.getpixel(coordinate)
qr.putpixel((x + i, y + j), pixelcolor)
else:
draw_a_color_unit(qr, x, y, unit_len, 0, color)
else:
draw_a_color_unit(qr, x, y, unit_len, 0, (255, 255, 255, 0))
x += unit_len
x, y = 0, y + unit_len
padding = 2 * unit_len
if image is not None:
width, height = image.size
size = min(width, height)
box = ((width - size) / 2, (height - size) / 2, (width + size) / 2, (height + size) / 2)
image = image.crop(box)
image = image.resize((
imagesize[0] - 2 * padding,
imagesize[1] - 2 * padding
), Image.ANTIALIAS).convert('RGBA')
# Draw background placeholder
draw = ImageDraw.Draw(qr)
draw.rectangle([
int((qr.size[0] - image.size[0] - padding) / 2),
int((qr.size[1] - image.size[1] - padding) / 2),
int((qr.size[0] + image.size[0] + padding) / 2),
int((qr.size[1] + image.size[1] + padding) / 2)
], (255, 255, 255, 0))
# corner = Image.new('RGBA', (16 * 4, 16 * 4), (255, 255, 255, 255))
# corner_draw = ImageDraw.ImageDraw(corner)
# corner_draw.pieslice((-64, -64, 64, 64), 0, 340, fill=(255, 255, 255, 0))
# corner = corner.resize((
# int(padding / 2),
# int(padding / 2)
# ), Image.ANTIALIAS)
# image.paste(corner.copy(), (
# image.size[0] - int(padding / 2),
# image.size[1] - int(padding / 2)
# ), corner.copy())
# image.paste(corner.rotate(90).copy(), (
# image.size[0] - int(padding / 2),
# -1
# ), corner.rotate(90).copy())
# image.paste(corner.rotate(180).copy(), (
# 0,
# 0
# ), corner.rotate(180).copy())
#
# image.paste(corner.rotate(-90).copy(), (
# -1,
# image.size[1] - int(padding / 2)
# ), corner.rotate(-90).copy())
mask = Image.open('mask.png')
mask = mask.resize(image.size, Image.ANTIALIAS).convert('L')
image.putalpha(mask)
image = ImageOps.expand(image.crop(image.getbbox()), border=padding, fill=(255, 255, 255, 0))
qr.paste(image.copy(), (
int((qr.size[0] - image.size[0]) / 2),
int((qr.size[1] - image.size[1]) / 2)
), image.copy())
qr = ImageOps.expand(qr.crop(qr.getbbox()), border=unit_len * 2, fill=(255, 255, 255, 0))
if gold == 'background':
bg = Image.open('gold-light.jpg')
bg = bg.resize(qr.size, Image.ANTIALIAS).convert('RGBA')
qr = Image.composite(qr, bg, qr)
return qr