Extensions. Barcode extension refactoring (see https://code.launchpad.net/~doctormo/inkscape/barcode-refactor).

(bzr r9993)

1 files changed, 113 insertions, 113 deletions

diff --git a/share/extensions/Barcode/Code128.py b/share/extensions/Barcode/Code128.py
index 3cb79b487..3036b5f98 100644
--- a/share/extensions/Barcode/Code128.py
+++ b/share/extensions/Barcode/Code128.py
@@ -1,27 +1,27 @@
-#!/usr/bin/env python 
-'''
-Copyright (C) 2007 Martin Owens
-
-Debugged by Ralf Heinecke & Martin Siepmann 09/07/2007
-Debugged by Horst Schottky Feb. 27. 2010
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
-
-
-'''
+#
+# Authored by Martin Owens <doctormo@ubuntu.com>
+# Debugged by Ralf Heinecke & Martin Siepmann 2007-09-07
+#             Horst Schottky 2010-02-27
+#
+# Copyright (C) 2007 Martin Owens
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+"""
+Python barcode renderer for Code128/EAN128 barcodes. Designed for use with Inkscape.
+"""
 
 from Base import Barcode
 import math
@@ -30,13 +30,13 @@ import re
 map = [ '11011001100','11001101100','11001100110','10010011000','10010001100','10001001100','10011001000','10011000100','10001100100','11001001000','11001000100','11000100100','10110011100','10011011100','10011001110','10111001100','10011101100','10011100110','11001110010','11001011100','11001001110','11011100100','11001110100','11101101110','11101001100','11100101100','11100100110','11101100100','11100110100','11100110010','11011011000','11011000110','11000110110','10100011000','10001011000','10001000110','10110001000','10001101000','10001100010','11010001000','11000101000','11000100010','10110111000','10110001110','10001101110','10111011000','10111000110','10001110110','11101110110','11010001110','11000101110','11011101000','11011100010','11011101110','11101011000','11101000110','11100010110','11101101000','11101100010','11100011010','11101111010','11001000010','11110001010','10100110000','10100001100','10010110000','10010000110','10000101100','10000100110','10110010000','10110000100','10011010000','10011000010','10000110100','10000110010','11000010010','11001010000','11110111010','11000010100','10001111010','10100111100','10010111100','10010011110','10111100100','10011110100','10011110010','11110100100','11110010100','11110010010','11011011110','11011110110','11110110110','10101111000','10100011110','10001011110','10111101000','10111100010','11110101000','11110100010','10111011110','10111101110','11101011110','11110101110','11010000100','11010010000','11010011100','11000111010','11' ]
 
 def mapExtra(sd, chars):
-	result = list(sd)
-	for char in chars:
-		result.append(chr(char))
-	result.append('FNC3')
-	result.append('FNC2')
-	result.append('SHIFT')
-	return result
+    result = list(sd)
+    for char in chars:
+        result.append(chr(char))
+    result.append('FNC3')
+    result.append('FNC2')
+    result.append('SHIFT')
+    return result
 
 # The mapExtra method is used to slim down the amount
 # of pre code and instead we generate the lists
@@ -45,86 +45,86 @@ charA = mapExtra(charAB, range(0, 31)) # Offset 64
 charB = mapExtra(charAB, range(96, 125)) # Offset -32
 
 class Object(Barcode):
-	def encode(self, text):
-		result = ''
-		blocks = []
-		block  = ''
-
-		# Split up into sections of numbers, or charicters
-		# This makes sure that all the charicters are encoded
-		# In the best way posible for Code128
-		for datum in re.findall(r'(?:(?:\d\d){2,})|(?:^\d\d)|.', text):
-			if len(datum) == 1:
-				block = block + datum
-			else:
-				if block:
-					blocks.append(self.bestBlock(block))
-					block = ''
-				blocks.append( [ 'C', datum ] )
-
-		if block:
-			blocks.append(self.bestBlock(block))
-			block = '';
-		
-		self.inclabel = text
-		return self.encodeBlocks(blocks)
-
-	def bestBlock(self, block):
-		# If this has lower case then select B over A
-		if block.upper() == block:
-			return [ 'A', block ]
-		return [ 'B', block ]
-		
-	def encodeBlocks(self, blocks):
-		total  = 0
-		pos    = 0
-		encode = '';
-	
-		for block in blocks:
-			set   = block[0]
-			datum = block[1]
-
-			# POS :   0,   1
-			# A   : 101, 103
-			# B   : 100, 104
-			# C   :  99, 105
-			num = 0;
-			if set == 'A':
-				num = 103
-			elif set == 'B':
-				num = 104
-			elif set == 'C':
-				num = 105
-
-			i = pos
-			if pos:
-				num = 204 - num
-			else:
-				i = 1
-
-			total = total + num * i
-			encode = encode + map[num]
-			pos = pos + 1
-
-			if set == 'A' or set == 'B':
-				chars = charB
-				if set == 'A':
-					chars = charA
-
-				for char in datum:
-					total = total + (chars.index(char) * pos)
-					encode = encode + map[chars.index(char)]
-					pos = pos + 1
-			else:
-				for char in (datum[i:i+2] for i in range(0, len(datum), 2)):
-					total = total + (int(char) * pos)
-					encode = encode + map[int(char)]
-					pos = pos + 1
-	
-		checksum = total % 103
-		encode = encode + map[checksum]
-		encode = encode + map[106]
-		encode = encode + map[107]
-	
-		return encode
+    def encode(self, text):
+        result = ''
+        blocks = []
+        block  = ''
+
+        # Split up into sections of numbers, or charicters
+        # This makes sure that all the charicters are encoded
+        # In the best way posible for Code128
+        for datum in re.findall(r'(?:(?:\d\d){2,})|(?:^\d\d)|.', text):
+            if len(datum) == 1:
+                block = block + datum
+            else:
+                if block:
+                    blocks.append(self.bestBlock(block))
+                    block = ''
+                blocks.append( [ 'C', datum ] )
+
+        if block:
+            blocks.append(self.bestBlock(block))
+            block = '';
+        
+        self.inclabel = text
+        return self.encodeBlocks(blocks)
+
+    def bestBlock(self, block):
+        # If this has lower case then select B over A
+        if block.upper() == block:
+            return [ 'A', block ]
+        return [ 'B', block ]
+        
+    def encodeBlocks(self, blocks):
+        total  = 0
+        pos    = 0
+        encode = '';
+    
+        for block in blocks:
+            set   = block[0]
+            datum = block[1]
+
+            # POS :   0,   1
+            # A   : 101, 103
+            # B   : 100, 104
+            # C   :  99, 105
+            num = 0;
+            if set == 'A':
+                num = 103
+            elif set == 'B':
+                num = 104
+            elif set == 'C':
+                num = 105
+
+            i = pos
+            if pos:
+                num = 204 - num
+            else:
+                i = 1
+
+            total = total + num * i
+            encode = encode + map[num]
+            pos = pos + 1
+
+            if set == 'A' or set == 'B':
+                chars = charB
+                if set == 'A':
+                    chars = charA
+
+                for char in datum:
+                    total = total + (chars.index(char) * pos)
+                    encode = encode + map[chars.index(char)]
+                    pos = pos + 1
+            else:
+                for char in (datum[i:i+2] for i in range(0, len(datum), 2)):
+                    total = total + (int(char) * pos)
+                    encode = encode + map[int(char)]
+                    pos = pos + 1
+    
+        checksum = total % 103
+        encode = encode + map[checksum]
+        encode = encode + map[106]
+        encode = encode + map[107]
+    
+        return encode