1 files changed, 37 insertions, 0 deletions
diff --git a/share/extensions/Barcode/Upca.py b/share/extensions/Barcode/Upca.py
new file mode 100644
index 000000000..d69ed11e6
--- /dev/null
+++ b/share/extensions/Barcode/Upca.py
@@ -0,0 +1,37 @@
+#
+# 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 UPCA barcodes. Designed for use with Inkscape.
+"""
+
+from BaseEan import EanBarcode
+
+class Upca(EanBarcode):
+    """Provides a renderer for EAN12 aka UPC-A Barcodes"""
+    name    = 'upca'
+    lengths = [ 11 ]
+    checks  = [ 12 ]
+
+    def _encode(self, n):
+        """Encode for a UPC-A Barcode"""
+        self.label = self.space(n[0:1], 3, n[1:6], 4, n[6:11], 3, n[11:])
+        return self.enclose(self.encode_left(n[0:6]), self.encode_right(n[6:12]))
+
+    def fontSize(self):
+        """We need a bigger barcode"""
+        return 10