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#!/usr/bin/env python
# coding=utf-8
#
# Copyright (C) 2007 Terry Brown, terry_n_brown@yahoo.com
#
# 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.
#
from __future__ import absolute_import, unicode_literals
import inkex
from inkex import Use, Rectangle
from inkex.base import SvgOutputMixin
from inkex.localization import inkex_gettext as _
class Nup(inkex.OutputExtension, SvgOutputMixin):
"""N-up Layout generator"""
def add_arguments(self, pars):
pars.add_argument("--unit", default="px")
pars.add_argument("--rows", type=int, default=2)
pars.add_argument("--cols", type=int, default=2)
pars.add_argument("--paddingTop", type=float)
pars.add_argument("--paddingBottom", type=float)
pars.add_argument("--paddingLeft", type=float)
pars.add_argument("--paddingRight", type=float)
pars.add_argument("--marginTop", type=float)
pars.add_argument("--marginBottom", type=float)
pars.add_argument("--marginLeft", type=float)
pars.add_argument("--marginRight", type=float)
pars.add_argument("--pgMarginTop", type=float)
pars.add_argument("--pgMarginBottom", type=float)
pars.add_argument("--pgMarginLeft", type=float)
pars.add_argument("--pgMarginRight", type=float)
pars.add_argument("--pgSizeX", type=float)
pars.add_argument("--pgSizeY", type=float)
pars.add_argument("--sizeX", type=float)
pars.add_argument("--sizeY", type=float)
pars.add_argument("--calculateSize", type=inkex.Boolean, default=True)
pars.add_argument("--showHolder", type=inkex.Boolean, default=True)
pars.add_argument("--showCrosses", type=inkex.Boolean, default=True)
pars.add_argument("--showInner", type=inkex.Boolean, default=True)
pars.add_argument("--showOuter", type=inkex.Boolean, default=False)
pars.add_argument("--showInnerBox", type=inkex.Boolean, default=False)
pars.add_argument("--showOuterBox", type=inkex.Boolean, default=False)
pars.add_argument("--tab")
def save(self, stream):
show_list = []
for i in [
"showHolder",
"showCrosses",
"showInner",
"showOuter",
"showInnerBox",
"showOuterBox",
]:
if getattr(self.options, i):
show_list.append(i.lower().replace("show", ""))
opt = self.options
ret = self.generate_nup(
unit=opt.unit,
pgSize=(opt.pgSizeX, opt.pgSizeY),
pgMargin=(
opt.pgMarginTop,
opt.pgMarginRight,
opt.pgMarginBottom,
opt.pgMarginLeft,
),
num=(opt.rows, opt.cols),
calculateSize=opt.calculateSize,
size=(opt.sizeX, opt.sizeY),
margin=(opt.marginTop, opt.marginRight, opt.marginBottom, opt.marginLeft),
padding=(
opt.paddingTop,
opt.paddingRight,
opt.paddingBottom,
opt.paddingLeft,
),
show=show_list,
)
if ret:
stream.write(ret)
def expandTuple(self, unit, x, length=4):
try:
iter(x)
except:
return None
if len(x) != length:
x *= 2
if len(x) != length:
raise Exception("expandTuple: requires 2 or 4 item tuple")
try:
return tuple(
map(
lambda ev: (
self.svg.unittouu(str(eval(str(ev))) + unit)
/ self.svg.unittouu("1px")
),
x,
)
)
except:
return None
def generate_nup(
self,
unit="px",
pgSize=("8.5*96", "11*96"),
pgMargin=(0, 0),
pgPadding=(0, 0),
num=(2, 2),
calculateSize=True,
size=None,
margin=(0, 0),
padding=(20, 20),
show=["default"],
):
"""Generate the SVG. Inputs are run through 'eval(str(x))' so you can use
'8.5*72' instead of 612. Margin / padding dimension tuples can be
(top & bottom, left & right) or (top, right, bottom, left).
Keyword arguments:
pgSize -- page size, width x height
pgMargin -- extra space around each page
pgPadding -- added to pgMargin
n -- rows x cols
size -- override calculated size, width x height
margin -- white space around each piece
padding -- inner padding for each piece
show -- list of keywords indicating what to show
- 'crosses' - cutting guides
- 'inner' - inner boundary
- 'outer' - outer boundary
"""
if "default" in show:
show = set(show).union(["inner", "innerbox", "holder", "crosses"])
pgMargin = self.expandTuple(unit, pgMargin)
pgPadding = self.expandTuple(unit, pgPadding)
margin = self.expandTuple(unit, margin)
padding = self.expandTuple(unit, padding)
pgSize = self.expandTuple(unit, pgSize, length=2)
# num = tuple(map(lambda ev: eval(str(ev)), num))
if not pgMargin or not pgPadding:
return inkex.errormsg(_("No padding or margin available."))
page_edge = list(map(sum, zip(pgMargin, pgPadding)))
top, right, bottom, left = 0, 1, 2, 3
width, height = 0, 1
rows, cols = 0, 1
size = self.expandTuple(unit, size, length=2)
if (
size is None
or calculateSize
or len(size) < 2
or size[0] == 0
or size[1] == 0
):
size = (
(
pgSize[width]
- page_edge[left]
- page_edge[right]
- num[cols] * (margin[left] + margin[right])
)
/ num[cols],
(
pgSize[height]
- page_edge[top]
- page_edge[bottom]
- num[rows] * (margin[top] + margin[bottom])
)
/ num[rows],
)
else:
size = self.expandTuple(unit, size, length=2)
# sep is separation between same points on pieces
sep = (
size[width] + margin[right] + margin[left],
size[height] + margin[top] + margin[bottom],
)
style = "stroke:#000000;stroke-opacity:1;fill:none;fill-opacity:1;"
padbox = Rectangle(
x=str(page_edge[left] + margin[left] + padding[left]),
y=str(page_edge[top] + margin[top] + padding[top]),
width=str(size[width] - padding[left] - padding[right]),
height=str(size[height] - padding[top] - padding[bottom]),
style=style,
)
margbox = Rectangle(
x=str(page_edge[left] + margin[left]),
y=str(page_edge[top] + margin[top]),
width=str(size[width]),
height=str(size[height]),
style=style,
)
doc = self.get_template(width=pgSize[width], height=pgSize[height])
svg = doc.getroot()
def make_clones(under, to):
for row in range(0, num[rows]):
for col in range(0, num[cols]):
if row == 0 and col == 0:
continue
use = under.add(Use())
use.set("xlink:href", "#" + to)
use.transform.add_translate(col * sep[width], row * sep[height])
# guidelayer #####################################################
if {"inner", "outer"}.intersection(show):
layer = svg.add(inkex.Layer.new("Guide Layer"))
if "inner" in show:
ibox = layer.add(padbox.copy())
ibox.style["stroke"] = "#8080ff"
ibox.set("id", "innerguide")
make_clones(layer, "innerguide")
if "outer" in show:
obox = layer.add(margbox.copy())
obox.style["stroke"] = "#8080ff"
obox.set("id", "outerguide")
make_clones(layer, "outerguide")
# crosslayer #####################################################
if {"crosses"}.intersection(show):
layer = svg.add(inkex.Layer.new("Cut Layer"))
if "crosses" in show:
crosslen = 12
group = layer.add(inkex.Group(id="cross"))
x, y = 0, 0
path = "M%f %f" % (
x + page_edge[left] + margin[left],
y + page_edge[top] + margin[top] - crosslen,
)
path += " L%f %f" % (
x + page_edge[left] + margin[left],
y + page_edge[top] + margin[top] + crosslen,
)
path += " M%f %f" % (
x + page_edge[left] + margin[left] - crosslen,
y + page_edge[top] + margin[top],
)
path += " L%f %f" % (
x + page_edge[left] + margin[left] + crosslen,
y + page_edge[top] + margin[top],
)
group.add(
inkex.PathElement(
style=style + "stroke-width:0.05", d=path, id="crossmarker"
)
)
for row in 0, 1:
for col in 0, 1:
if row or col:
cln = group.add(Use())
cln.set("xlink:href", "#crossmarker")
cln.transform.add_translate(
col * size[width], row * size[height]
)
make_clones(layer, "cross")
# clonelayer #####################################################
layer = svg.add(inkex.Layer.new("Clone Layer"))
make_clones(layer, "main")
# mainlayer ######################################################
layer = svg.add(inkex.Layer.new("Main Layer"))
group = layer.add(inkex.Group(id="main"))
if "innerbox" in show:
group.add(padbox)
if "outerbox" in show:
group.add(margbox)
if "holder" in show:
x, y = (
page_edge[left] + margin[left] + padding[left],
page_edge[top] + margin[top] + padding[top],
)
w, h = (
size[width] - padding[left] - padding[right],
size[height] - padding[top] - padding[bottom],
)
path = "M{:f} {:f}".format(x + w / 2.0, y)
path += " L{:f} {:f}".format(x + w, y + h / 2.0)
path += " L{:f} {:f}".format(x + w / 2.0, y + h)
path += " L{:f} {:f}".format(x, y + h / 2.0)
path += " Z"
group.add(inkex.PathElement(style=style, d=path))
return svg.tostring()
if __name__ == "__main__":
Nup().run()
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