kopia lustrzana https://github.com/pimoroni/pimoroni-pico
44 wiersze
1.1 KiB
Python
44 wiersze
1.1 KiB
Python
import picodisplay as display # Comment this line out to use PicoDisplay2
|
|
# import picodisplay2 as display # Uncomment this line to use PicoDisplay2
|
|
import qrcode
|
|
|
|
|
|
def measure_qr_code(size, code):
|
|
w, h = code.get_size()
|
|
module_size = int(size / w)
|
|
return module_size * w, module_size
|
|
|
|
|
|
def draw_qr_code(ox, oy, size, code):
|
|
size, module_size = measure_qr_code(size, code)
|
|
display.set_pen(128, 128, 128)
|
|
display.rectangle(ox, oy, size, size)
|
|
display.set_pen(0, 0, 0)
|
|
for x in range(size):
|
|
for y in range(size):
|
|
if code.get_module(x, y):
|
|
display.rectangle(ox + x * module_size, oy + y * module_size, module_size, module_size)
|
|
|
|
|
|
width = display.get_width()
|
|
height = display.get_height()
|
|
|
|
code = qrcode.QRCode()
|
|
code.set_text("shop.pimoroni.com")
|
|
|
|
display.init(bytearray(width * height * 2))
|
|
|
|
display.set_pen(128, 128, 128)
|
|
display.clear()
|
|
display.set_pen(0, 0, 0)
|
|
|
|
size, module_size = measure_qr_code(height, code)
|
|
left = int((width // 2) - (size // 2))
|
|
top = int((height // 2) - (size // 2))
|
|
draw_qr_code(left, top, height, code)
|
|
|
|
display.update()
|
|
|
|
while True:
|
|
pass
|