chore: move print to printclass
This commit is contained in:
parent
69a058834e
commit
934cfba919
1 changed files with 51 additions and 38 deletions
|
@ -25,58 +25,71 @@ def handle_image():
|
|||
return f"Error loading image: {e}", 500
|
||||
|
||||
try:
|
||||
print_image(img, resize=True)
|
||||
print_image = PrintImage(img)
|
||||
print_image.print()
|
||||
except Exception as e:
|
||||
return f"Error printing image: {e}", 500
|
||||
|
||||
return "ok", 200
|
||||
|
||||
|
||||
def resize_image(img: Image):
|
||||
if img.height > img.width:
|
||||
img = img.transpose(Image.ROTATE_90)
|
||||
class PrintImage:
|
||||
image: Image
|
||||
|
||||
if 323 / img.width * img.height <= 240:
|
||||
img = img.resize(size=(323, int(323 / img.width * img.height)))
|
||||
else:
|
||||
img = img.resize(size=(int(240 / img.height * img.width), 240))
|
||||
return img
|
||||
def __init__(self, image: Image, offset=True, resize=True):
|
||||
self.image = image
|
||||
if resize:
|
||||
self._resize()
|
||||
if offset:
|
||||
self._offset()
|
||||
|
||||
def _resize(self):
|
||||
img = self.image
|
||||
|
||||
def print_image(img: Image, resize=False, offset=True):
|
||||
img = img.convert("1")
|
||||
if resize:
|
||||
img = resize_image(img)
|
||||
if offset:
|
||||
if img.height > img.width:
|
||||
img = img.transpose(Image.ROTATE_90)
|
||||
if 323 / img.width * img.height <= 240:
|
||||
img = img.resize(size=(323, int(323 / img.width * img.height)))
|
||||
else:
|
||||
img = img.resize(size=(int(240 / img.height * img.width), 240))
|
||||
|
||||
self.image = img
|
||||
|
||||
def _offset(self):
|
||||
imgborder = Image.new("1", (384, 240), color=1)
|
||||
imgborder.paste(img, (61, 0))
|
||||
img = imgborder
|
||||
imgborder.paste(self.image, (61, 0))
|
||||
self.image = imgborder
|
||||
|
||||
buf = []
|
||||
buf += [0x1B, 0x40]
|
||||
buf += [0x1D, 0x76, 0x30, 0x0]
|
||||
def print(self):
|
||||
img = self.image.convert("1")
|
||||
|
||||
width = img.width
|
||||
height = img.height
|
||||
width8 = width // 8
|
||||
buf = []
|
||||
buf += [0x1B, 0x40]
|
||||
buf += [0x1D, 0x76, 0x30, 0x0]
|
||||
|
||||
buf += [width8 & 0xFF, width8 >> 8]
|
||||
buf += [height & 0xFF, height >> 8]
|
||||
width = img.width
|
||||
height = img.height
|
||||
width8 = width // 8
|
||||
|
||||
ibuf = [0] * height * width8
|
||||
for y in range(height):
|
||||
for x in range(width):
|
||||
if img.getpixel((x, y)) == 0:
|
||||
ibuf[x // 8 + y * width8] |= 1 << (7 - (x & 7))
|
||||
ibuf = [b if b != 0x0A else 0x14 for b in ibuf]
|
||||
buf += [width8 & 0xFF, width8 >> 8]
|
||||
buf += [height & 0xFF, height >> 8]
|
||||
|
||||
buf += ibuf
|
||||
ibuf = [0] * height * width8
|
||||
for y in range(height):
|
||||
for x in range(width):
|
||||
if img.getpixel((x, y)) == 0:
|
||||
ibuf[x // 8 + y * width8] |= 1 << (7 - (x & 7))
|
||||
ibuf = [b if b != 0x0A else 0x14 for b in ibuf]
|
||||
|
||||
# -- send
|
||||
buf += ibuf
|
||||
|
||||
sock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_STREAM, socket.BTPROTO_RFCOMM)
|
||||
sock.bind((socket.BDADDR_ANY, 1))
|
||||
sock.connect((DEVICE, 1))
|
||||
sock.sendall(bytes(buf))
|
||||
sock.recv(1024)
|
||||
sock.close()
|
||||
# -- send
|
||||
|
||||
sock = socket.socket(
|
||||
socket.AF_BLUETOOTH, socket.SOCK_STREAM, socket.BTPROTO_RFCOMM
|
||||
)
|
||||
sock.bind((socket.BDADDR_ANY, 1))
|
||||
sock.connect((DEVICE, 1))
|
||||
sock.sendall(bytes(buf))
|
||||
sock.recv(1024)
|
||||
sock.close()
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue