cleaned and fixed chain_paths

extensions/fablabchemnitz_chain_paths.py

@@ -28,31 +28,13 @@ __version__ = '0.7'        # Keep in sync with chain_paths.inx ca line 22
 __author__ = 'Juergen Weigert <juergen@fabmail.org>'
 __credits__ = ['Juergen Weigert', 'Veronika Irvine']
 
-import sys, os, shutil, time, logging, tempfile, math
+import sys
+import math
 import re
-
-#debug = True
-debug = False
-
-# search path, so that inkscape libraries are found when we are standalone.
-sys_platform = sys.platform.lower()
-if sys_platform.startswith('win'):        # windows
-  sys.path.append('C:\Program Files\Inkscape\share\extensions')
-elif sys_platform.startswith('darwin'):   # mac
-  sys.path.append('/Applications/Inkscape.app/Contents/Resources/extensions')
-else:                                     # linux
-  # if sys_platform.startswith('linux'):
-  sys.path.append('/usr/share/inkscape/extensions')
-
-# inkscape libraries
 import inkex
-
 inkex.localization.localize()
-
 from optparse import SUPPRESS_HELP
-
+debug = False
-def uutounit(self, nn, uu):
-    return self.svg.unittouu(str(nn)+uu)
 
 class ChainPaths(inkex.Effect):
 
@@ -86,7 +68,7 @@ class ChainPaths(inkex.Effect):
             - The document units are always irrelevant as
               everything in inkscape is expected to be in 90dpi pixel units
         """
-        dialog_units = uutounit(self, 1.0, units)
+        dialog_units = self.svg.unittouu(str(1.0)+units)
         self.unit_factor = 1.0 / dialog_units
         return self.unit_factor
 
@@ -237,15 +219,15 @@ class ChainPaths(inkex.Effect):
 
             if self.near_ends(end1, seg['end2']):
               # prepend seg to chain
-              self.set_segment_done(seg['id'], seg['n'], 'prepended to ' + id + ' ' + str(cur_idx))
+              self.set_segment_done(seg['id'], seg['n'], 'prepended to ' + str(id) + ' ' + str(cur_idx))
               chain = self.link_segments(seg['seg'], chain)
               end1 = [chain[0][1][0], chain[0][1][1]]
               segments_idx = 0          # this chain changed. re-visit all candidate
               continue
 
             if self.near_ends(end2, seg['end1']):
-              # append seg to chain
+              # append seg to chain		  
-              self.set_segment_done(seg['id'], seg['n'], 'appended to ' + id + ' ' + str(cur_idx))
+              self.set_segment_done(seg['id'], seg['n'], 'appended to ' + str(id) + ' ' + str(cur_idx))
               chain = self.link_segments(chain, seg['seg'])
               end2 = [chain[-1][1][0], chain[-1][1][1]]
               segments_idx = 0          # this chain changed. re-visit all candidate

extensions/fablabchemnitz_pixel2svg.inx

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+   <name>Pixel2SVG</name>
+   <id>fablabchemnitz.de.pixel2svg</id>
+   <param name="tab" type="notebook">
+      <page name="pixel2svg_tab" _gui-text="Options">
+         <param name="squaresize" type="int" min="1" max="100" _gui-text="Width and height of vector squares in pixels">5</param>
+         <param name="offset_image" type="boolean" _gui-text="Offset traced image">true</param>
+         <param name="delete_image" type="boolean" _gui-text="Delete bitmap image">false</param>
+      </page>
+      <page name="advanced_tab" _gui-text="Advanced">
+         <param name="transparency" type="boolean" _gui-text="Convert transparency to 'fill-opacity'">true</param>
+         <param name="overlap" type="boolean" _gui-text="Overlap vector squares by 1px">false</param>
+         <param name="verbose" type="boolean" _gui-text="Report image info (size, format, mode)">false</param>
+         <param name="maxsize" type="int" min="1" max="10000" _gui-text="Max. image size (width or height)">256</param>
+      </page>
+      <page name="advanced_color_tab" _gui-text="Colors">
+         <param name="color_mode" type="enum" _gui-text="">
+            <item value="all">Trace all colors.</item>
+            <item value="other">Don't trace this color:</item>
+            <item value="this">Only trace this color:</item>
+         </param>
+         <param name="color" type="string" max_length="6" _gui-text="Color (hex):">FFFFFF</param>
+      </page>
+      <page name="about_tab" _gui-text="About">
+         <_param name="instructions" type="description" xml:space="preserve">This extension is based on:
+pixel2svg - converts pixel art to SVG - pixel by pixel.
+Copyright 2011 Florian Berger 
+http://florian-berger.de/en/software/pixel2svg
+</_param>
+      </page>
+   </param>
+   <effect needs-document="true" needs-live-preview="true">
+      <object-type>image</object-type>
+      <effects-menu>
+         <submenu _name="FabLab Chemnitz">
+            <submenu _name="Tracing/Edge Detection" />
+         </submenu>
+      </effects-menu>
+   </effect>
+   <script>
+      <command reldir="extensions" interpreter="python">fablabchemnitz_pixel2svg.py</command>
+   </script>
+   <options silent="false" />
+</inkscape-extension>

extensions/fablabchemnitz_pixel2svg.py

@@ -0,0 +1,314 @@
+#!/usr/bin/env python3
+"""
+Pixel2SVG - Convert the pixels of bitmap images to SVG rects
+
+Idea and original implementation as standalone script:
+Copyright (C) 2011 Florian Berger <fberger@florian-berger.de>
+Homepage: <http://florian-berger.de/en/software/pixel2svg>
+
+Rewritten as Inkscape extension:
+Copyright (C) 2012 ~suv <suv-sf@users.sourceforge.net>
+
+'getFilePath()' is based on code from 'extractimages.py':
+Copyright (C) 2005 Aaron Spike, aaron@ekips.org
+
+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
+"""
+
+import os
+import sys
+import base64
+from io import StringIO, BytesIO
+import urllib.parse
+import urllib.request
+import inkex
+from PIL import Image
+from lxml import etree
+
+inkex.localization.localize
+
+DEBUG = False
+
+
+#   int r = ( hexcolor >> 16 ) & 0xFF;
+#   int g = ( hexcolor >> 8 ) & 0xFF;
+#   int b = hexcolor & 0xFF;
+#   int hexcolor = (r << 16) + (g << 8) + b;
+
+def hex_to_int_color(v):
+    if (v[0] == '#'):
+        v = v[1:]
+    assert(len(v) == 6)
+    return int(v[:2], 16), int(v[2:4], 16), int(v[4:6], 16)
+
+
+class Pixel2SVG(inkex.Effect):
+    def __init__(self):
+        inkex.Effect.__init__(self)
+        # pixel2svg options
+        self.arg_parser.add_argument("-s", "--squaresize", type=int, default="5", help="Width and height of vector squares in pixels")
+        self.arg_parser.add_argument("--transparency", type=inkex.Boolean, default=True, help="Convert transparency to 'fill-opacity'")
+        self.arg_parser.add_argument("--overlap", type=inkex.Boolean, default=False, help="Overlap vector squares by 1px")
+        self.arg_parser.add_argument("--offset_image", type=inkex.Boolean, default=True, help="Offset traced image")
+        self.arg_parser.add_argument("--delete_image", type=inkex.Boolean, default=False, help="Delete bitmap image")
+        self.arg_parser.add_argument("--maxsize", type=int, default="256", help="Max. image size (width or height)")
+        self.arg_parser.add_argument("--verbose", type=inkex.Boolean, default=False)
+        self.arg_parser.add_argument("--color_mode", default="all", help="Which colors to trace.")
+        self.arg_parser.add_argument("--color", default="FFFFFF", help="Special color")
+        self.arg_parser.add_argument("--tab")
+
+    def getImagePath(self, node, xlink):
+        """
+        Find image file, return path
+        """
+        absref = node.get(inkex.addNS('absref', 'sodipodi'))
+        url = urlparse(xlink)
+        href = urllib.request.url2pathname
+
+        path = ''
+        #path selection strategy:
+        # 1. href if absolute
+        # 2. realpath-ified href
+        # 3. absref, only if the above does not point to a file
+        if href is not None:
+            path = os.path.realpath(href)
+        if (not os.path.isfile(path)):
+            if absref is not None:
+                path = absref
+
+        try:
+            path = unicode(path, "utf-8")
+        except TypeError:
+            path = path
+
+        if (not os.path.isfile(path)):
+            inkex.errormsg(_(
+                "No xlink:href or sodipodi:absref attributes found, " +
+                "or they do not point to an existing file! Unable to find image file."))
+            if path:
+                inkex.errormsg(_("Sorry we could not locate %s") % str(path))
+            return False
+
+        if (os.path.isfile(path)):
+            return path
+
+    def getImageData(self, xlink):
+        """
+        Read, decode and return data of embedded image
+        """
+        comma = xlink.find(',')
+        data = ''
+
+        if comma > 0:
+            data = base64.decodebytes(xlink[comma:].encode('UTF-8'))
+        else:
+            inkex.errormsg(_("Failed to read embedded image data."))
+
+        return data
+
+    def getImage(self, node):
+        image_element=self.svg.find('.//{http://www.w3.org/2000/svg}image')
+        image_string=image_element.get('{http://www.w3.org/1999/xlink}href')
+        #find comma position
+        i=0
+        while i<40:
+            if image_string[i]==',':
+                break
+            i=i+1
+        return Image.open(BytesIO(base64.b64decode(image_string[i+1:len(image_string)])))
+
+    def drawFilledRect(self, parent, svgpx):
+        """
+        Draw rect based on ((x, y), (width,height), ((r,g,b),a)), add to parent
+        """
+        style = {}
+        pos = svgpx[0]
+        dim = svgpx[1]
+        rgb = svgpx[2][0]
+        alpha = svgpx[2][1]
+
+        style['stroke'] = 'none'
+
+        if len(rgb) == 3:
+            # fill: rgb tuple
+            style['fill'] = '#%02x%02x%02x' % (rgb[0], rgb[1], rgb[2])
+        elif len(rgb) == 1:
+            # fill: color name, or 'none'
+            style['fill'] = rgb[0]
+        else:
+            # fill: 'Unset' (no fill defined)
+            pass
+
+        if alpha < 255:
+            # only write 'fill-opacity' for non-default value
+            style['fill-opacity'] = '%s' % round(alpha/255.0, 8)
+
+        rect_attribs = {'x': str(pos[0]),
+                        'y': str(pos[1]),
+                        'width': str(dim[0]),
+                        'height': str(dim[1]),
+                        'style': str(inkex.Style(style)), }
+
+        rect = etree.SubElement(parent, inkex.addNS('rect', 'svg'), rect_attribs)
+
+        return rect
+
+    def vectorizeImage(self, node):
+        """
+        Parse RGBA values of linked bitmap image, create a group and
+        draw the rectangles (SVG pixels) inside the new group
+        """
+        image = self.getImage(node)
+
+        if image:
+            # init, set limit (default: 256)
+            pixel2svg_max = self.options.maxsize
+
+            if self.options.verbose:
+                inkex.debug("ID: %s" % node.get('id'))
+                inkex.debug("Image size:\t%dx%d" % image.size)
+                inkex.debug("Image format:\t%s" % image.format)
+                inkex.debug("Image mode:\t%s" % image.mode)
+                inkex.debug("Image info:\t%s" % image.info)
+
+                if (image.mode == 'P' and 'transparency' in image.info):
+                    inkex.debug(
+                        "Note: paletted image with an alpha channel is handled badly with " +
+                        "current PIL:\n" +
+                        "<http://stackoverflow.com/questions/12462548/pil-image-mode-p-rgba>")
+                elif not image.mode in ('RGBA', 'LA'):
+                    inkex.debug("No alpha channel or transparency found")
+
+            image = image.convert("RGBA")
+            (width, height) = image.size
+
+            if width <= pixel2svg_max and height <= pixel2svg_max:
+
+                # color trace modes
+                trace_color = []
+                if self.options.color:
+                    trace_color = hex_to_int_color(self.options.color)
+
+                # get RGBA data
+                rgba_values = list(image.getdata())
+
+                # create group
+                nodeParent = node.getparent()
+                nodeIndex = nodeParent.index(node)
+                pixel2svg_group = etree.Element(inkex.addNS('g', 'svg'))
+                pixel2svg_group.set('id', "%s_pixel2svg" % node.get('id'))
+                nodeParent.insert(nodeIndex+1, pixel2svg_group)
+
+                # move group beside original image
+                if self.options.offset_image:
+                    pixel2svg_offset = width
+                else:
+                    pixel2svg_offset = 0.0
+                pixel2svg_translate = ('translate(%s, %s)' %
+                                       (float(node.get('x') or 0.0) + pixel2svg_offset,
+                                        node.get('y') or 0.0))
+                pixel2svg_group.set('transform', pixel2svg_translate)
+
+                # draw bbox rectangle at the bottom of group
+                pixel2svg_bbox_fill = ('none', )
+                pixel2svg_bbox_alpha = 255
+                pixel2svg_bbox = ((0, 0),
+                                  (width * self.options.squaresize,
+                                   height * self.options.squaresize),
+                                  (pixel2svg_bbox_fill, pixel2svg_bbox_alpha))
+                self.drawFilledRect(pixel2svg_group, pixel2svg_bbox)
+
+                # reverse list (performance), pop last one instead of first
+                rgba_values.reverse()
+                # loop through pixels (per row)
+                rowcount = 0
+                while rowcount < height:
+                    colcount = 0
+                    while colcount < width:
+                        rgba_tuple = rgba_values.pop()
+                        # Omit transparent pixels
+                        if rgba_tuple[3] > 0:
+                            # color options
+                            do_trace = True
+                            if (self.options.color_mode != "all"):
+                                if (trace_color == rgba_tuple[:3]):
+                                    # colors match
+                                    if (self.options.color_mode == "other"):
+                                        do_trace = False
+                                else:
+                                    # colors don't match
+                                    if (self.options.color_mode == "this"):
+                                        do_trace = False
+                            if do_trace:
+                                # position
+                                svgpx_x = colcount * self.options.squaresize
+                                svgpx_y = rowcount * self.options.squaresize
+                                # dimension + overlap
+                                svgpx_size = self.options.squaresize + self.options.overlap
+                                # get color, ignore alpha
+                                svgpx_rgb = rgba_tuple[:3]
+                                svgpx_a = 255
+                                # transparency
+                                if self.options.transparency:
+                                    svgpx_a = rgba_tuple[3]
+                                svgpx = ((svgpx_x, svgpx_y),
+                                         (svgpx_size, svgpx_size),
+                                         (svgpx_rgb, svgpx_a)
+                                         )
+                                # draw square in group
+                                self.drawFilledRect(pixel2svg_group, svgpx)
+                        colcount = colcount + 1
+                    rowcount = rowcount + 1
+
+                # all done
+                if DEBUG:
+                    inkex.debug("All rects drawn.")
+
+                if self.options.delete_image:
+                    nodeParent.remove(node)
+
+            else:
+                # bail out with larger images
+                inkex.errormsg(_(
+                    "Bailing out: this extension is not intended for large images.\n" +
+                    "The current limit is %spx for either dimension of the bitmap image."
+                    % pixel2svg_max))
+                sys.exit(0)
+
+            # clean-up?
+            if DEBUG:
+                inkex.debug("Done.")
+
+        else:
+            inkex.errormsg(_("Bailing out: No supported image file or data found"))
+            sys.exit(1)
+
+    def effect(self):
+        """
+        Pixel2SVG - Convert the pixels of bitmap images to SVG rects
+        """
+        found_image = False
+        if (self.options.ids):
+            for node in self.svg.selected.values():
+                if node.tag == inkex.addNS('image', 'svg'):
+                    found_image = True
+                    self.vectorizeImage(node)
+
+        if not found_image:
+            inkex.errormsg(_("Please select one or more bitmap image(s) for Pixel2SVG"))
+            sys.exit(0)
+
+if __name__ == '__main__':
+    Pixel2SVG().run()

extensions/fablabchemnitz_tool_covers.py

@@ -0,0 +1,495 @@
+#!/usr/bin/env python3
+#
+# (c) 2020 Yoichi Tanibayashi
+#
+import inkex
+from lxml import etree
+import math
+inkex.localization.localize
+
+
+class Point(object):
+    def __init__(self, x, y):
+        self.x = x
+        self.y = y
+
+    def distance(self, c):
+        return math.sqrt((c.x - self.x) ** 2 + (c.y - self.y) ** 2)
+
+    def rotate(self, rad):
+        new_x = math.cos(rad) * self.x - math.sin(rad) * self.y
+        new_y = math.sin(rad) * self.x + math.cos(rad) * self.y
+        self.x = new_x
+        self.y = new_y
+        return self
+
+    def mirror(self):
+        self.x = -self.x
+        return self
+
+
+class Vpoint(Point):
+    '''
+    (x, y)座標と方向(rad)を持つ点
+
+    rad: 方向(真上: 0, 右: math.pi / 2, ..)
+    '''
+    def __init__(self, x, y, rad=0):
+        super(Vpoint, self).__init__(x, y)
+        self.rad = rad
+
+    def rotate(self, rad):
+        super(Vpoint, self).rotate(rad)
+        self.rad += rad
+        return self
+
+    def mirror(self):
+        super(Vpoint, self).mirror()
+        self.rad = -self.rad
+        return self
+
+
+class SvgObj(object):
+    DEF_COLOR = '#00FF00'
+    DEF_STROKE_WIDTH = 0.2
+    DEF_STROKE_DASHARRAY = 'none'
+
+    def __init__(self, parent):
+        self.parent = parent
+        self.type = None
+        self.attr = {}
+
+    def draw(self, color=DEF_COLOR,
+             stroke_width=DEF_STROKE_WIDTH,
+             stroke_dasharray=DEF_STROKE_DASHARRAY):
+
+        self.attr['style'] = str(inkex.Style({
+            'stroke': str(color),
+            'stroke-width': str(stroke_width),
+            'stroke-dasharray': str(stroke_dasharray),
+            'fill': 'none'}))
+        return etree.SubElement(self.parent,
+                                      inkex.addNS(self.type, 'svg'),
+                                      self.attr)
+
+
+class SvgCircle(SvgObj):
+    DEF_COLOR = '#FF0000'
+    DEF_STROKE_WIDTH = 0.2
+    DEF_STROKE_DASHARRAY = 'none'
+
+    def __init__(self, parent, r):
+        super(SvgCircle, self).__init__(parent)
+        self.r = r
+        self.type = 'circle'
+
+    def draw(self, point,
+             color=DEF_COLOR,
+             stroke_width=DEF_STROKE_WIDTH,
+             stroke_dasharray=DEF_STROKE_DASHARRAY):
+        self.attr['cx'] = str(point.x)
+        self.attr['cy'] = str(point.y)
+        self.attr['r'] = str(self.r)
+
+        return super(SvgCircle, self).draw(color,
+                                           stroke_width, stroke_dasharray)
+
+
+class SvgPath(SvgObj):
+    DEF_COLOR = '#0000FF'
+    DEF_STROKE_WIDTH = 0.2
+    DEF_STROKE_DASHARRAY = 'none'
+
+    def __init__(self, parent, points):
+        super(SvgPath, self).__init__(parent)
+        self.points = points
+        self.type = 'path'
+
+    def create_svg_d(self, origin_vpoint, points):
+        '''
+        to be override
+
+        This is sample code.
+        '''
+        svg_d = ''
+        for i, p in enumerate(points):
+            (x1, y1) = (p.x + origin_vpoint.x, p.y + origin_vpoint.y)
+            if i == 0:
+                svg_d = 'M %f,%f' % (x1, y1)
+            else:
+                svg_d += ' L %f,%f' % (x1, y1)
+        return svg_d
+
+    def rotate(self, rad):
+        for p in self.points:
+            p.rotate(rad)
+        return self
+
+    def mirror(self):
+        for p in self.points:
+            p.mirror()
+        return self
+
+    def draw(self, origin,
+             color=DEF_COLOR, stroke_width=DEF_STROKE_WIDTH,
+             stroke_dasharray=DEF_STROKE_DASHARRAY):
+
+        self.rotate(origin.rad)
+
+        svg_d = self.create_svg_d(origin, self.points)
+        # inkex.errormsg('svg_d=%s' % svg_d)
+        # inkex.errormsg('svg_d=%s' % str(Path( svg_d )))
+
+        self.attr['d'] = svg_d
+        return super(SvgPath, self).draw(color, stroke_width, stroke_dasharray)
+
+
+class SvgLine(SvgPath):
+    # exactly same as SvgPath
+    pass
+
+
+class SvgPolygon(SvgPath):
+    def create_svg_d(self, origin, points):
+        svg_d = super(SvgPolygon, self).create_svg_d(origin, points)
+        svg_d += ' Z'
+        return svg_d
+
+
+class SvgPart1Outline(SvgPolygon):
+    def __init__(self, parent, points, bw_bf):
+        super(SvgPart1Outline, self).__init__(parent, points)
+        self.bw_bf = bw_bf
+
+    def create_svg_d(self, origin, points, bw_bf=1):
+        for i, p in enumerate(points):
+            (x1, y1) = (p.x + origin.x, p.y + origin.y)
+            if i == 0:
+                d = 'M %f,%f' % (x1, y1)
+            elif i == 7:
+                d += ' L %f,%f' % (x1, y1)
+                x2 = x1
+                y2 = y1 + self.bw_bf
+            elif i == 8:
+                d += ' C %f,%f %f,%f %f,%f' % (x2, y2, x1, y2, x1, y1)
+            else:
+                d += ' L %f,%f' % (x1, y1)
+
+        d += ' Z'
+        return d
+
+
+class SvgNeedleHole(SvgPolygon):
+    def __init__(self, parent, w, h, tf):
+        '''
+        w: width
+        h: height
+        tf: tilt factor
+        '''
+        self.w = w
+        self.h = h
+        self.tf = tf
+
+        self.gen_points(self.w, self.h, self.tf)
+        super(SvgNeedleHole, self).__init__(parent, self.points)
+
+    def gen_points(self, w, h, tf):
+        self.points = []
+        self.points.append(Point(-w / 2,  h * tf))
+        self.points.append(Point( w / 2,  h * (1 - tf)))
+        self.points.append(Point( w / 2, -h * tf))
+        self.points.append(Point(-w / 2, -h * (1 - tf)))
+
+
+class Part1(object):
+    def __init__(self, parent,
+                 w1, w2, h1, h2, bw, bl, bf, dia1, d1, d2,
+                 needle_w, needle_h, needle_tf, needle_corner_rotation):
+        self.parent = parent
+        self.w1 = w1
+        self.w2 = w2
+        self.h1 = h1
+        self.h2 = h2
+        self.bw = bw
+        self.bl = bl
+        self.bf = bf
+        self.dia1 = dia1
+        self.d1 = d1
+        self.d2 = d2
+        self.needle_w = needle_w
+        self.needle_h = needle_h
+        self.needle_tf = needle_tf
+        self.needle_corner_rotation = needle_corner_rotation
+
+        # グループ作成
+        attr = {inkex.addNS('label', 'inkscape'): 'Part1'}
+        self.g = etree.SubElement(self.parent, 'g', attr)
+
+        # 図形作成
+        self.points_outline = self.create_points_outline()
+        self.svg_outline = SvgPart1Outline(self.g, self.points_outline,
+                                           (self.bw * self.bf))
+        self.svg_hole = SvgCircle(self.g, self.dia1 / 2)
+
+        self.vpoints_needle = self.create_needle_vpoints()
+        self.svgs_needle_hole = []
+        for v in self.vpoints_needle:
+            svg_nh = SvgNeedleHole(self.g,
+                                   self.needle_w,
+                                   self.needle_h,
+                                   self.needle_tf)
+            self.svgs_needle_hole.append((svg_nh, v))
+
+    def create_points_outline(self):
+        '''
+        外枠の座標を生成
+        '''
+        points = []
+        (x0, y0) = (-(self.w2 / 2), 0)
+
+        (x, y) = (x0, y0 + self.h1 + self.h2)
+        points.append(Point(x, y))
+
+        y = y0 + self.h1
+        points.append(Point(x, y))
+
+        x = -(self.w1 / 2)
+        y = y0
+        points.append(Point(x, y))
+
+        x = self.w1 / 2
+        points.append(Point(x, y))
+
+        x = self.w2 / 2
+        y += self.h1
+        points.append(Point(x, y))
+
+        y += self.h2
+        points.append(Point(x, y))
+
+        x = self.bw / 2
+        points.append(Point(x, y))
+
+        y += self.bl - self.bw / 2
+        points.append(Point(x, y))
+
+        x = -(self.bw / 2)
+        points.append(Point(x, y))
+
+        y = y0 + self.h1 + self.h2
+        points.append(Point(x, y))
+
+        return points
+
+    def create_needle_vpoints(self):
+        '''
+        針穴の点と方向を生成
+        '''
+        rad1 = math.atan((self.w2 - self.w1) / (2 * self.h1))
+        rad1a = (math.pi - rad1) / 2
+        a1 = self.d1 / math.tan(rad1a)
+
+        rad2 = (math.pi / 2) - rad1
+        rad2a = (math.pi - rad2) / 2
+        a2 = self.d1 / math.tan(rad2a)
+
+        #
+        # 頂点
+        #
+        vpoints1 = []
+        for i, p in enumerate(self.points_outline):
+            (nx, ny) = (p.x, p.y)
+            if i == 0:
+                nx += self.d1
+                ny -= self.d1 * 1.5
+                vpoints1.append(Vpoint(nx, ny, 0))
+            if i == 1:
+                nx += self.d1
+                ny += a1
+                vpoints1.append(Vpoint(nx, ny, rad1))
+            if i == 2:
+                nx += a2
+                ny += self.d1
+                vpoints1.append(Vpoint(nx, ny, math.pi / 2))
+            if i == 3:
+                nx -= a2
+                ny += self.d1
+                vpoints1.append(Vpoint(nx, ny, (math.pi / 2) + rad2))
+            if i == 4:
+                nx -= self.d1
+                ny += a1
+                vpoints1.append(Vpoint(nx, ny, math.pi))
+            if i == 5:
+                nx -= self.d1
+                ny -= self.d1 * 1.5
+                vpoints1.append(Vpoint(nx, ny, math.pi))
+            if i > 5:
+                break
+
+        # 頂点を補完する点を生成
+        vpoints2 = []
+        for i in range(len(vpoints1)-1):
+            d = vpoints1[i].distance(vpoints1[i+1])
+            n = int(abs(round(d / self.d2)))
+            for p in self.split_vpoints(vpoints1[i], vpoints1[i+1], n):
+                vpoints2.append(p)
+
+        vpoints2.insert(0, vpoints1[0])
+        return vpoints2
+
+    def split_vpoints(self, v1, v2, n):
+        '''
+        v1, v2間をn個に分割して、リストを生成
+        '''
+        if n == 0:
+            return [v1]
+        (dx, dy) = ((v2.x - v1.x) / n, (v2.y - v1.y) / n)
+
+        v = []
+        for i in range(n):
+            v.append(Vpoint(v1.x + dx * (i + 1),
+                            v1.y + dy * (i + 1),
+                            v1.rad))
+        if self.needle_corner_rotation:
+            v[-1].rad = (v1.rad + v2.rad) / 2
+        return v
+
+    def draw(self, origin):
+        origin_base = Vpoint(origin.x + self.w2 / 2,
+                             origin.y,
+                             origin.rad)
+        self.svg_outline.draw(origin_base, color='#0000FF')
+
+        x = origin.x + self.w2 / 2
+        y = origin.y + self.h1 + self.h2 + self.bl - self.bw / 2
+        origin_hole = Point(x, y)
+        self.svg_hole.draw(origin_hole, color='#FF0000')
+
+        for (svg_nh, p) in self.svgs_needle_hole:
+            origin_nh = Vpoint(origin.x + p.x + self.w2 / 2,
+                               origin.y + p.y,
+                               p.rad)
+            svg_nh.draw(origin_nh, color='#FF0000')
+
+
+class Part2(object):
+    def __init__(self, parent, part1, dia2):
+        self.parent = parent
+        self.part1 = part1
+        self.dia2 = dia2
+
+        # グループ作成
+        attr = {inkex.addNS('label', 'inkscape'): 'Part2'}
+        self.g = etree.SubElement(self.parent, 'g', attr)
+
+        # 外枠
+        #   ``Part1``の``points_outline``をミラーして、
+        #   最初の6つのポイントを利用
+        self.points_outline = []
+        for i in range(6):
+            self.points_outline.append(self.part1.points_outline[i].mirror())
+
+        self.svg_outline = SvgPolygon(self.g, self.points_outline)
+
+        # 留め具
+        self.svg_hole = SvgCircle(self.g, self.dia2 / 2)
+
+        # 針穴
+        #   ``Part1``の``vpoints_needle``をミラーして利用
+        self.svgs_needle_hole = []
+        for v in self.part1.vpoints_needle:
+            v.mirror()
+            # ``SvgNeedleHole``もミラーする
+            svg_nh = SvgNeedleHole(self.g,
+                                   self.part1.needle_w,
+                                   self.part1.needle_h,
+                                   self.part1.needle_tf)
+            svg_nh.mirror()
+            self.svgs_needle_hole.append((svg_nh, v))
+
+    def draw(self, origin):
+        origin_base = Vpoint(origin.x + self.part1.w2 / 2,
+                             origin.y, origin.rad)
+        self.svg_outline.draw(origin_base, color='#0000FF')
+
+        x = origin.x + self.part1.w2 / 2
+        y = origin.y + self.part1.h1 + self.part1.h2
+        y -= (self.svg_hole.r + self.part1.d1)
+        origin_hole = Vpoint(x, y, origin.rad)
+        self.svg_hole.draw(origin_hole, color='#FF0000')
+
+        for (svg_nh, p) in self.svgs_needle_hole:
+            origin_nh = Vpoint(origin.x + p.x + self.part1.w2 / 2,
+                               origin.y + p.y,
+                               p.rad)
+            svg_nh.draw(origin_nh, color='#FF0000')
+
+
+class PliersCover(inkex.Effect):
+    DEF_OFFSET_X = 20
+    DEF_OFFSET_Y = 20
+
+    def __init__(self):
+        inkex.Effect.__init__(self)
+        self.arg_parser.add_argument("--tabs")
+        self.arg_parser.add_argument("--w1", type=float)
+        self.arg_parser.add_argument("--w2", type=float)
+        self.arg_parser.add_argument("--h1", type=float)
+        self.arg_parser.add_argument("--h2", type=float)
+        self.arg_parser.add_argument("--bw", type=float)
+        self.arg_parser.add_argument("--bl", type=float)
+        self.arg_parser.add_argument("--bf", type=float)
+        self.arg_parser.add_argument("--dia1", type=float)
+        self.arg_parser.add_argument("--dia2", type=float)
+        self.arg_parser.add_argument("--d1", type=float)
+        self.arg_parser.add_argument("--d2", type=float)
+        self.arg_parser.add_argument("--needle_w", type=float)
+        self.arg_parser.add_argument("--needle_h", type=float)
+        self.arg_parser.add_argument("--needle_tf", type=float)
+        self.arg_parser.add_argument("--needle_corner_rotation", type=inkex.Boolean, default=True)
+
+    def effect(self):
+        # inkex.errormsg('view_center=%s' % str(self.view_center))
+        # inkex.errormsg('selected=%s' % str(self.selected))
+
+        # parameters
+        opt = self.options
+
+        #
+        # error check
+        #
+        if opt.w1 >= opt.w2:
+            msg = "Error: w1(%d) > w2(%d) !" % (opt.w1, opt.w2)
+            inkex.errormsg(msg)
+            return
+
+        if opt.dia1 >= opt.bw:
+            msg = "Error: dia1(%d) >= bw(%d) !" % (opt.dia1, opt.bw)
+            inkex.errormsg(msg)
+            return
+
+        #
+        # draw
+        #
+        origin_vpoint = Vpoint(self.DEF_OFFSET_X, self.DEF_OFFSET_Y)
+
+        # グループ作成
+        attr = {inkex.addNS('label', 'inkscape'): 'PliersCover'}
+        self.g = etree.SubElement(self.svg.get_current_layer(), 'g', attr)
+
+        part1 = Part1(self.g,
+                      opt.w1, opt.w2, opt.h1, opt.h2,
+                      opt.bw, opt.bl, opt.bf, opt.dia1,
+                      opt.d1, opt.d2,
+                      opt.needle_w, opt.needle_h, opt.needle_tf,
+                      opt.needle_corner_rotation)
+        part1.draw(origin_vpoint)
+
+        origin_vpoint.x += opt.w2 + 10
+
+        part2 = Part2(self.g, part1, opt.dia2)
+        part2.draw(origin_vpoint)
+
+
+if __name__ == '__main__':
+    PliersCover().run()