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Actually use the barcode height and width parameters 

(And reverse their order in the method signature so corrections to the
range checks don't break existing code)
This commit is contained in:
Stephan Sokolow 2014-05-22 00:45:57 -04:00
parent ac640785cc
commit b5f68f6895
2 changed files with 7 additions and 7 deletions
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4
escpos/constants.py
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@ -65,8 +65,8 @@ _SET_HRI_FONT = lambda n: GS + 'f' + n
BARCODE_FONT_A = _SET_HRI_FONT('\x00') # Font type A for HRI barcode chars BARCODE_FONT_A = _SET_HRI_FONT('\x00') # Font type A for HRI barcode chars
BARCODE_FONT_B = _SET_HRI_FONT('\x01') # Font type B for HRI barcode chars BARCODE_FONT_B = _SET_HRI_FONT('\x01') # Font type B for HRI barcode chars
BARCODE_HEIGHT = GS + 'h' + '\x64' # Barcode Height [1-255] BARCODE_HEIGHT = GS + 'h' # Barcode Height [1-255]
BARCODE_WIDTH = GS + 'w' + '\x03' # Barcode Width [2-6] BARCODE_WIDTH = GS + 'w' # Barcode Width [2-6]
#NOTE: This isn't actually an ESC/POS command. It's the common prefix to the #NOTE: This isn't actually an ESC/POS command. It's the common prefix to the
# two "print bar code" commands: # two "print bar code" commands:

10
escpos/escpos.py
View File

@ -151,18 +151,18 @@ class Escpos:
im = qr_img._img.convert("RGB") im = qr_img._img.convert("RGB")
self.image(im) self.image(im)
def barcode(self, code, bc, width, height, pos, font): def barcode(self, code, bc, height, width, pos, font):
""" Print Barcode """ """ Print Barcode """
# Align Bar Code() # Align Bar Code()
self._raw(TXT_ALIGN_CT) self._raw(TXT_ALIGN_CT)
# Height # Height
if height >=2 or height <=6: if 1 <= height <= 255:
self._raw(BARCODE_HEIGHT) self._raw(BARCODE_HEIGHT + chr(height))
else: else:
raise BarcodeSizeError() raise BarcodeSizeError()
# Width # Width
if width >= 1 or width <=255: if 2 <= width <= 6:
self._raw(BARCODE_WIDTH) self._raw(BARCODE_WIDTH + chr(width))
else: else:
raise BarcodeSizeError() raise BarcodeSizeError()
# Font # Font