1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
#!/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
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., y)
path += ' L{:f} {:f}'.format(x + w, y + h / 2.)
path += ' L{:f} {:f}'.format(x + w / 2., y + h)
path += ' L{:f} {:f}'.format(x, y + h / 2.)
path += ' Z'
group.add(inkex.PathElement(style=style, d=path))
return svg.tostring()
if __name__ == '__main__':
Nup().run()
|
