cleaned and fixed chain_paths

This commit is contained in:
Mario Voigt 2020-08-07 20:18:20 +02:00
parent ea71e26473
commit 008230e9f7
5 changed files with 2101 additions and 25 deletions

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@ -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
def uutounit(self, nn, uu):
return self.svg.unittouu(str(nn)+uu)
debug = False
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
@ -237,7 +219,7 @@ 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
@ -245,7 +227,7 @@ class ChainPaths(inkex.Effect):
if self.near_ends(end2, seg['end1']):
# 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

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@ -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>

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@ -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()

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@ -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, : 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()