From a242befc8e8671acad2a900de08a2246cc8481d5 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Tue, 03 May 2016 17:11:53 +0000
Subject: [PATCH] Add support for Code128 barcode (see test_form.py)
---
axiohm.py | 18 ++++++++++++++++--
1 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/axiohm.py b/axiohm.py
index ebeb2ee..b287b57 100644
--- a/axiohm.py
+++ b/axiohm.py
@@ -179,8 +179,8 @@
def setBarcodeTextPitch(self, pitch = PITCH_STANDARD):
self.serial.write("\x1d\x66" + chr(pitch))
- def setBarcodeHeight(self, width):
- self.serial.write("\x1d\x68" + chr(width))
+ def setBarcodeHeight(self, height):
+ self.serial.write("\x1d\x68" + chr(height))
def setBarcodeHeightInches(self, inches = 1):
if self.currentStation == self.STATION_SLIP:
@@ -193,6 +193,9 @@
self.setBarcodeHeight(int(milimeters / 8.5))
else:
self.setBarcodeHeight(int(milimeters / 8))
+
+ def setBarcodeWidth(self, width):
+ self.serial.write("\x1d\x77" + chr(width))
# FEEDING
@@ -294,6 +297,17 @@
assert(type > 64)
self.serial.write("\x1d\x6b" + chr(type) + chr(len(data)) + data)
+ def printCode128(self, bytelist):
+ assert 103 <= bytelist[0] <= 105
+ assert bytelist[1] < 103
+
+ checksum = bytelist[0]
+ for i, item in enumerate(bytelist):
+ checksum = (checksum + i*item) % 103
+
+ bytelist.append(checksum)
+ self.printBarcode(self.BARCODE_CODE128, str(bytearray(bytelist)))
+
def printLinesRotatedCCW(self, lines, startingPosition = 0):
maxLineLength = max([len(line) for line in lines])
lines = [line.ljust(maxLineLength, ' ') for line in lines]
--
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