Initial commit of Bottle Tag generator

boxes/generators/bottletag.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+# Copyright (C) 2013-2016 Florian Festi
+#
+#   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 3 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, see <http://www.gnu.org/licenses/>.
+
+from boxes import *
+
+
+class BottleTag(Boxes):
+    """Paper slip over bottle tag"""
+
+    ui_group = "Misc"  # see ./__init__.py for names
+
+    def __init__(self):
+        Boxes.__init__(self)
+
+        self.buildArgParser()
+        # Add non default cli params if needed (see argparse std lib)
+        self.argparser.add_argument(
+            "--width", action="store", type=float, default=72,
+            help="width of neck tag")
+        self.argparser.add_argument(
+            "--height", action="store", type=float, default=98,
+            help="height of neck tag")
+        self.argparser.add_argument(
+            "--r1", action="store", type=float, default=12,
+            help="inner radius of bottle neck hole")
+        self.argparser.add_argument(
+            "--r2", action="store", type=float, default=25,
+            help="outer radius of bottle neck hole")
+        self.argparser.add_argument(
+            "--r3", action="store", type=float, default=15,
+            help="corner radius of bottom tag")
+        self.argparser.add_argument(
+            "--segment_width", action="store", type=int, default=3,
+            help="inner segment width")
+
+    def render(self):
+        # adjust to the variables you want in the local scope
+        width = self.width
+        height = self.height
+        r1 = self.r1
+        r2 = self.r2
+        r3 = self.r3
+        segment_width = self.segment_width
+
+        # tag outline
+        self.edge(width - r3 - r3)
+        self.corner(90, r3)
+        self.edge(height - width / 2.0 - r3)
+        self.corner(180, width / 2)
+        self.edge(height - width / 2.0 - r3)
+        self.corner(90, r3)
+
+        # move to centre of hole and cut the inner circle
+        self.moveTo(width / 2 - r3, height - width / 2)
+        with self.saved_context():
+            self.moveTo(0, -r1)
+            self.corner(360, r1)
+
+        # draw the radial lines approx 2mm apart on r1
+        seg_angle = math.degrees(segment_width / r1)
+        # for neatness, we want an integral number of cuts
+        num = math.floor(360 / seg_angle)
+        for i in range(num):
+            with self.saved_context():
+                self.moveTo(0, 0, i * 360.0 / num)
+                self.moveTo(r1)
+                self.edge(r2 - r1)
+                # Add some right angle components to reduce tearing
+                with self.saved_context():
+                    self.moveTo(0, 0, 90)
+                    self.edge(0.5)
+                with self.saved_context():
+                    self.moveTo(0, 0, -90)
+                    self.edge(0.5)
+