#!/usr/bin/env python
'''
Copyright (C) 2007 John Bintz, jcoswell@cosellproductions.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
'''
import sys, inkex
def caliper_to_ppi(caliper):
return 2 / caliper
def bond_weight_to_ppi(bond_weight):
return caliper_to_ppi(bond_weight * .0002)
def points_to_ppi(points):
return caliper_to_ppi(points / 1000.0)
class PerfectBoundCover(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("--width",
action="store", type="float",
dest="width", default=6.0,
help="cover width (in)")
self.OptionParser.add_option("--height",
action="store", type="float",
dest="height", default=9.0,
help="cover height (in)")
self.OptionParser.add_option("--pages",
action="store", type="int",
dest="pages", default=64,
help="number of pages")
self.OptionParser.add_option("--paperthicknessmeasurement",
action="store", type="string",
dest="paperthicknessmeasurement", default=100.0,
help="paper thickness measurement")
self.OptionParser.add_option("--paperthickness",
action="store", type="float",
dest="paperthickness", default=0.0,
help="paper thickness")
self.OptionParser.add_option("--coverthicknessmeasurement",
action="store", type="string",
dest="coverthicknessmeasurement", default=100.0,
help="cover thickness measurement")
self.OptionParser.add_option("--coverthickness",
action="store", type="float",
dest="coverthickness", default=0.0,
help="cover thickness")
self.OptionParser.add_option("--bleed",
action="store", type="float",
dest="bleed", default=0.25,
help="cover bleed (in)")
self.OptionParser.add_option("--removeguides",
action="store", type="inkbool",
dest="removeguides", default=False,
help="remove guides")
self.OptionParser.add_option("--book",
action="store", type="string",
dest="book", default=False,
help="dummy")
self.OptionParser.add_option("--cover",
action="store", type="string",
dest="cover", default=False,
help="dummy")
self.OptionParser.add_option("--paper",
action="store", type="string",
dest="paper", default=False,
help="dummy")
self.OptionParser.add_option("--warning",
action="store", type="string",
dest="warning", default=False,
help="dummy")
def effect(self):
switch = {
"ppi": lambda x: x,
"caliper": lambda x: caliper_to_ppi(x),
"bond_weight": lambda x: bond_weight_to_ppi(x),
"points": lambda x: points_to_ppi(x),
"width": lambda x: x
}
if self.options.paperthickness > 0:
if self.options.paperthicknessmeasurement == "width":
paper_spine = self.options.paperthickness
else:
paper_spine = self.options.pages / switch[self.options.paperthicknessmeasurement](self.options.paperthickness)
else:
paper_spine = 0
if self.options.coverthickness > 0:
if self.options.coverthicknessmeasurement == "width":
cover_spine = self.options.coverthickness
else:
cover_spine = 4.0 / switch[self.options.coverthicknessmeasurement](self.options.coverthickness)
else:
cover_spine = 0
spine_width = paper_spine + cover_spine
document_width = (self.options.bleed + self.options.width * 2) + spine_width
document_height = self.options.bleed * 2 + self.options.height
root = self.document.getroot()
root.set("width", "%sin" % document_width)
root.set("height", "%sin" % document_height)
guides = []
guides.append(["horizontal", self.options.bleed])
guides.append(["horizontal", document_height - self.options.bleed])
guides.append(["vertical", self.options.bleed])
guides.append(["vertical", document_width - self.options.bleed])
guides.append(["vertical", (document_width / 2) - (spine_width / 2)])
guides.append(["vertical", (document_width / 2) + (spine_width / 2)])
namedview = self.document.xpath('/svg:svg/sodipodi:namedview', namespaces=inkex.NSS)
if namedview:
if self.options.removeguides == True:
for node in self.document.xpath('/svg:svg/sodipodi:namedview/sodipodi:guide', namespaces=inkex.NSS):
parent = node.getparent()
parent.remove(node)
for guide in guides:
newguide = inkex.etree.Element(inkex.addNS('guide','sodipodi'))
newguide.set("orientation", guide[0])
newguide.set("position", "%f" % (guide[1] * 96))
namedview[0].append(newguide)
'''
for id, node in self.selected.iteritems():
if node.tag == inkex.addNS('path','svg'):
p = cubicsuperpath.parsePath(node.get('d'))
#lens, total = csplength(p)
#avg = total/numlengths(lens)
#inkex.debug("average segment length: %s" % avg)
new = []
for sub in p:
new.append([sub[0][:]])
i = 1
while i <= len(sub)-1:
length = cspseglength(new[-1][-1], sub[i])
if length > self.options.max:
splits = math.ceil(length/self.options.max)
for s in xrange(int(splits),1,-1):
new[-1][-1], next, sub[i] = cspbezsplitatlength(new[-1][-1], sub[i], 1.0/s)
new[-1].append(next[:])
new[-1].append(sub[i])
i+=1
node.set('d',cubicsuperpath.formatPath(new))
'''
if __name__ == '__main__':
e = PerfectBoundCover()
e.affect()
# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99