def _locate_all_barcodes_in_image(self):
""" Perform a deep scan to find all the datamatrix barcodes in the image (but don't read them). """
if self._is_single_image:
barcodes = DataMatrix.locate_all_barcodes_in_image_deep(self._frame_img, self.barcode_size)
else:
barcodes = DataMatrix.locate_all_barcodes_in_image(self._frame_img, self.barcode_size)
if len(barcodes) == 0:
raise NoBarcodesError("No Barcodes Detected In Image")
return barcodes
def _locate_all_barcodes_in_image(self):
if self._is_single_image:
# barcodes = DataMatrix.locate_all_barcodes_in_image_deep(self._frame_img, self.barcode_size)
barcodes = DataMatrix.locate_all_barcodes_in_image(self._frame_img, self.barcode_size)
else:
barcodes = DataMatrix.locate_all_barcodes_in_image(self._frame_img, self.barcode_size)
if len(barcodes) == 0:
raise NoBarcodesError("No Barcodes Detected In Image")
return barcodes
def _locate_all_barcodes_in_image(self):
if self._is_single_image:
# barcodes = DataMatrix.locate_all_barcodes_in_image_deep(self._frame_img, self.barcode_sizes)
barcodes = DataMatrix.locate_all_barcodes_in_image(self._frame_img, self.barcode_sizes)
else:
barcodes = DataMatrix.locate_all_barcodes_in_image(self._frame_img, self.barcode_sizes)
if len(barcodes) == 0:
raise NoBarcodesDetectedError()
return barcodes
def _locate_all_barcodes_in_image(self):
""" Perform a deep scan to find all the datamatrix barcodes in the image (but don't read them). """
if self._is_single_image:
barcodes = DataMatrix.locate_all_barcodes_in_image_deep(
self._frame_img, self.barcode_sizes)
else:
barcodes = DataMatrix.locate_all_barcodes_in_image(
self._frame_img, self.barcode_sizes)
# TODO: log the error
if len(barcodes) == 0:
raise NoBarcodesDetectedError()
return barcodes
def _locate_all_barcodes_in_image(self):
barcodes = DataMatrix.locate_all_barcodes_in_image(self._frame_img, self.barcode_sizes)
# TODO: log this
if len(barcodes) == 0:
raise NoBarcodesDetectedError()
return barcodes
def deep_scan(self, slot):
if not self._is_slot_worth_scanning(slot):
return []
img = self._slot_image(slot)
fps = list(Locator().locate_deep(img, self.radius_avg))
barcodes = [DataMatrix(fp, img) for fp in fps]
self._DEBUG_MULTI_FP_IMAGE(img, fps, slot.number())
return barcodes
def square_scan(self, slot):
if not self._is_slot_worth_scanning(slot):
return None
img = self._slot_image(slot)
fp = Locator().locate_square(img, self.side_avg)
barcode = None
if fp is not None:
self._DEBUG_SQUARE_LOCATOR(img, fp, slot.number())
barcode = DataMatrix(fp, img)
return barcode
from dls_barcode.datamatrix import DataMatrix
from dls_util import Image, Color
dm_img_file = '../tests/test-resources/test/dm6.png'
dm_img = Image.from_file(dm_img_file)
mono_img = dm_img.to_grayscale()
barcodes = DataMatrix.locate_all_barcodes_in_image(mono_img, matrix_sizes=[18])
for barcode in barcodes:
barcode.draw(dm_img, Color.Green())
barcode.perform_read()
print(barcode.data())
print(barcode._error_message)
dm_img.popup()
from dls_barcode.datamatrix.read import ReedSolomonDecoder
# msg = 16, 16 ecc
chars = [69, 71, 145, 49, 70, 134, 173, 69, 71, 145, 49, 70, 134, 173, 129]
decoder = ReedSolomonDecoder()
out = decoder.encode(chars, 17)
print([int(b) for b in out], len(out))
