def drawOn(self, canvas, x, y):
"""Draws the LTO label onto the canvas."""
canvas.saveState()
canvas.translate(x, y)
if self.border:
canvas.setLineWidth(self.border)
canvas.roundRect(0, 0, self.LABELWIDTH, self.LABELHEIGHT,
self.LABELROUND)
Standard39.drawOn(self, canvas,
(self.LABELWIDTH - self.CODENOMINALWIDTH) / 2.0,
self.LABELHEIGHT - self.height)
canvas.restoreState()
def drawOn(self, canvas, x, y) :
"""Draws the LTO label onto the canvas."""
canvas.saveState()
canvas.translate(x, y)
if self.border :
canvas.setLineWidth(self.border)
canvas.roundRect(0, 0,
self.LABELWIDTH,
self.LABELHEIGHT,
self.LABELROUND)
Standard39.drawOn(self,
canvas,
(self.LABELWIDTH-self.CODENOMINALWIDTH)/2.0,
self.LABELHEIGHT-self.height)
canvas.restoreState()
def start(self, c):
c.addPara()
attr = self.attr
bc = Standard39()
bc.value = attr.value
bc.barHeight = 0.5 * inch
bc.lquiet = 0 # left padding
bc.rquiet = 0 # left padding
bc.hAlign = attr.align.upper()
c.addStory(bc)
c.addPara()
def __init__(self,
prefix="",
number=None,
subtype="1",
border=None,
checksum=False,
availheight=None):
"""
Initializes an LTO label.
prefix : Up to six characters from [A-Z][0-9]. Defaults to "".
number : Label's number or None. Defaults to None.
subtype : LTO subtype string , e.g. "1" for LTO1. Defaults to "1".
border : None, or the width of the label's border. Defaults to None.
checksum : Boolean indicates if checksum char has to be printed. Defaults to False.
availheight : Available height on the label, or None for automatic. Defaults to None.
"""
self.height = max(availheight, self.CODEBARHEIGHT)
self.border = border
if (len(subtype) != 1) \
or (subtype not in ascii_uppercase + string_digits) :
raise ValueError("Invalid subtype '%s'" % subtype)
if ((not number) and (len(prefix) > 6)) \
or not prefix.isalnum() :
raise ValueError("Invalid prefix '%s'" % prefix)
label = "%sL%s" % (
(prefix + str(number or 0).zfill(6 - len(prefix)))[:6], subtype)
if len(label) != 8:
raise ValueError("Invalid set of parameters (%s, %s, %s)" \
% (prefix, number, subtype))
self.label = label
Standard39.__init__(self,
label,
ratio=self.CODERATIO,
barHeight=self.height,
barWidth=self.CODEBARWIDTH,
gap=self.CODEGAP,
lquiet=self.CODELQUIET,
rquiet=self.CODERQUIET,
quiet=True,
checksum=checksum)
def __init__(self, prefix="",
number=None,
subtype="1",
border=None,
checksum=False,
availheight=None) :
"""
Initializes an LTO label.
prefix : Up to six characters from [A-Z][0-9]. Defaults to "".
number : Label's number or None. Defaults to None.
subtype : LTO subtype string , e.g. "1" for LTO1. Defaults to "1".
border : None, or the width of the label's border. Defaults to None.
checksum : Boolean indicates if checksum char has to be printed. Defaults to False.
availheight : Available height on the label, or None for automatic. Defaults to None.
"""
self.height = max(availheight, self.CODEBARHEIGHT)
self.border = border
if (len(subtype) != 1) \
or (subtype not in ascii_uppercase + string_digits) :
raise ValueError("Invalid subtype '%s'" % subtype)
if ((not number) and (len(prefix) > 6)) \
or not prefix.isalnum() :
raise ValueError("Invalid prefix '%s'" % prefix)
label = "%sL%s" % ((prefix + str(number or 0).zfill(6 - len(prefix)))[:6],
subtype)
if len(label) != 8 :
raise ValueError("Invalid set of parameters (%s, %s, %s)" \
% (prefix, number, subtype))
self.label = label
Standard39.__init__(self,
label,
ratio=self.CODERATIO,
barHeight=self.height,
barWidth=self.CODEBARWIDTH,
gap=self.CODEGAP,
lquiet=self.CODELQUIET,
rquiet=self.CODERQUIET,
quiet=True,
checksum=checksum)
