def get_page_rotation(self):
# Returns page rotation or "None" if it cannot be retrieved
# Figure out wether the page is rotated by looking for a barcode first
# at the bottom right, then at the top left.
# Note that we do not care about the value of the barcode, we are happy
# to simply know that it exists.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the lower right corner.
# Note that we cannot find another barcode this way, because the one in the
# center of the page is not complete
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 2,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
if code is None:
# Well, that failed, so try to search the upper left corner instead
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
0, 0,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
if code is not None:
return True
else:
return None
else:
return False
def get_page_rotation(self):
# Returns page rotation or "None" if it cannot be retrieved
# Figure out wether the page is rotated by looking for a barcode first
# at the bottom right, then at the top left.
# Note that we do not care about the value of the barcode, we are happy
# to simply know that it exists.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the lower right corner.
# Note that we cannot find another barcode this way, because the one in the
# center of the page is not complete
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 2,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
if code is None:
# Well, that failed, so try to search the upper left corner instead
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
0, 0,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
if code is not None:
return True
else:
return None
else:
return False
def find_bottom_center_barcode(self):
return read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
self.paper_width() * 0.375,
self.paper_height() * 0.75,
self.paper_width() * 0.25,
self.paper_height() * 0.25,
"QRCODE")
def recognize(self):
img = self.obj.sheet.get_page_image(self.obj.page_number)
if img is None or img.recognize.matrix is None:
self.obj.sheet.valid = 0
return
x = self.obj.x
y = self.obj.y
width = self.obj.width
height = self.obj.height
surface = img.surface.surface
matrix = img.recognize.matrix
res = read_barcode(surface, matrix,
x, y, width, height,
"QRCODE")
# This is maybe a bit odd, but we accept empty string as a valid
# content (if there was a barcode which was just the empty string).
if res is not None:
self.obj.data.state = True
self.obj.data.text = res
else:
self.obj.data.state = False
self.obj.data.text = None
def recognize(self):
img = self.obj.sheet.get_page_image(self.obj.page_number)
if img is None or img.recognize.matrix is None:
self.obj.sheet.valid = 0
return
x = self.obj.x
y = self.obj.y
width = self.obj.width
height = self.obj.height
surface = img.surface.surface
matrix = img.recognize.matrix
res = read_barcode(surface, matrix, x, y, width, height, "QRCODE")
# This is maybe a bit odd, but we accept empty string as a valid
# content (if there was a barcode which was just the empty string).
if res is not None:
self.obj.data.state = True
self.obj.data.text = res
else:
self.obj.data.state = False
self.obj.data.text = None
def find_bottom_center_barcode(self):
return read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
self.paper_width() * 0.375,
self.paper_height() * 0.75,
self.paper_width() * 0.25,
self.paper_height() * 0.25,
"QRCODE")
def get_global_id(self):
# Returns the global ID or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the bottom center of the page
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 4,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
# Simply return the code, it may be alphanumeric, we don't care here
return code
def get_global_id(self):
# Returns the global ID or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the bottom center of the page
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 4,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5, "*")
# Simply return the code, it may be alphanumeric, we don't care here
return code
def get_questionnaire_id(image):
# Returns the questionnaire ID or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = image.obj.sheet.survey.defs.paper_width
paper_height = image.obj.sheet.survey.defs.paper_height
# Search for the barcode on the bottom left of the page
code = \
read_barcode(image.obj.surface.surface, image.obj.matrix.mm_to_px(),
0,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
# Simply return the code, it may be alphanumeric, we don't care here
# XXX: Is that assumption sane?
return code
def get_questionnaire_id(self):
# Returns the questionnaire ID or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode on the bottom left of the page
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
0,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
# Simply return the code, it may be alphanumeric, we don't care here
# XXX: Is that assumption sane?
return code
def get_survey_id(self):
# Returns the survey ID or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the lower left corner.
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 2,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
if code is None or not code.isdigit() or len(code) <= 4:
return None
return int(code[:-4])
def get_survey_id(self):
# Returns the survey ID or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the lower left corner.
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 2,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
if code is None or not code.isdigit() or len(code) <= 4:
return None
return int(code[:-4])
def get_barcode_id(self):
# Returns the questionnaire ID or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
print('GET BARCODE ID PROCESS')
# Search for the barcode on the top right of the page
code = \
read_barcode(self.obj.surface.surface, self.obj.recognize.matrix,
12,
22,
187,
70, "*")
# Simply return the code, it may be alphanumeric, we don't care here
# XXX: Is that assumption sane?
print ('GET BARCODE ID DONE : '+str(code))
return code
def get_page_number(self):
# Returns page number or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the lower right corner.
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 2,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
# The code needs to be entirely numeric and at least 4 characters for the page
if code is None or(not code.isdigit() and len(code) < 4):
return None
# The page number is in the lower four digits, simply extract it and convert
# to integer
return int(code[-4:])
def get_page_number(self):
# Returns page number or "None" if it cannot be retrieved
# In this function assume that the rotation is correct already.
paper_width = self.obj.sheet.survey.defs.paper_width
paper_height = self.obj.sheet.survey.defs.paper_height
# Search for the barcode in the lower right corner.
code = \
read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
paper_width / 2,
paper_height - defs.corner_mark_bottom - defs.code128_vpad - defs.code128_height - 5,
paper_width / 2,
defs.corner_mark_bottom + defs.code128_vpad + defs.code128_height + 5)
# The code needs to be entirely numeric and at least 4 characters for the page
if code is None or(not code.isdigit() and len(code) < 4):
return None
# The page number is in the lower four digits, simply extract it and convert
# to integer
return int(code[-4:])
def find_top_left_barcode(self):
return read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
0, 0,
self.paper_width() * 0.25,
self.paper_height() * 0.25,
"QRCODE")
def find_top_left_barcode(self):
return read_barcode(self.obj.surface.surface, self.obj.matrix.mm_to_px(),
0, 0,
self.paper_width() * 0.25,
self.paper_height() * 0.25,
"QRCODE")
