def show_bitmap(filename):
set_pos()
command([0xae])
with open(filename, 'rb') as my_file:
for i in range(0, 16):
i2c.write(ADDR, b'\x40' + my_file.read(64))
set_zoom(0)
command([0xaf])
def set_px(x, y, color, draw=1):
page, shift_page = divmod(y, 8)
ind = x * 2 + page * 128 + 1
b = screen[ind] | (
1 << shift_page) if color else screen[ind] & ~(1 << shift_page)
pack_into(">BB", screen, ind, b, b)
if draw:
set_pos(x, page)
i2c.write(0x3c, bytearray([0x40, b, b]))
def add_text(x, y, text, draw=1):
for i in range(0, min(len(text), 12 - x)):
for c in range(0, 5):
col = 0
for r in range(1, 6):
p = Image(text[i]).get_pixel(c, r - 1)
col = col | (1 << r) if (p != 0) else col
ind = x * 10 + y * 128 + i * 10 + c * 2 + 1
screen[ind], screen[ind + 1] = col, col
if draw == 1:
set_zoom(1)
set_pos(x * 5, y)
ind0 = x * 10 + y * 128 + 1
i2c.write(ADDR, b'\x40' + screen[ind0:ind + 1])
def draw_stamp(x, y, stamp, color, draw=1):
page, shift_page = divmod(y, 8)
ind = (x << 1) + (page << 7) + 1
if ind > 0:
for col in range(0, 5):
index = ind + (col << 1)
b = (screen[index] | (stamp[col] << shift_page)) if color else (
screen[index] & ~(stamp[col] << shift_page))
pack_into(">BB", screen, index, b, b)
ind += 128
if ind < 513:
for col in range(0, 5):
index = ind + col * 2
b = (screen[index] | (stamp[col] >> (8 - shift_page))
) if color else screen[index] & ~(stamp[col] >>
(8 - shift_page))
pack_into(">BB", screen, index, b, b)
if draw:
offset = 2 if x != 0 else 0
set_pos(x - (offset >> 1), page)
i2c.write(ADDR, b'\x40' + screen[ind - 128 - offset:ind - 116])
if page < 3:
set_pos(x - (offset >> 1), page + 1)
i2c.write(ADDR, b'\x40' + screen[ind - offset:ind + 14])