b849d948ad25940988a42b3f705627f800252f9e
1 #!/usr/bin/env python
2 '''
3 Copyright (C) 2006 Aaron Spike, aaron@ekips.org
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 '''
19 import inkex
20 import sys, os, tempfile
22 try:
23 from subprocess import Popen, PIPE
24 bsubprocess = True
25 except:
26 bsubprocess = False
28 class MyEffect(inkex.Effect):
29 def __init__(self):
30 inkex.Effect.__init__(self)
31 self.OptionParser.add_option("-d", "--guides",
32 action="store", type="inkbool",
33 dest="saveGuides", default=False,
34 help="Save the Guides with the .XCF")
35 self.OptionParser.add_option("-r", "--grid",
36 action="store", type="inkbool",
37 dest="saveGrid", default=False,
38 help="Save the Grid with the .XCF")
39 def output(self):
40 pass
41 def effect(self):
42 svg_file = self.args[-1]
43 docname = self.xpathSingle('/svg:svg/@sodipodi:docname')[:-4]
44 pageHeight = int(inkex.unittouu(self.xpathSingle('/svg:svg/@height').split('.')[0]))
45 pageWidth = int(inkex.unittouu(self.xpathSingle('/svg:svg/@width').split('.')[0]))
47 #create os temp dir
48 tmp_dir = tempfile.mkdtemp()
50 hGuides = []
51 vGuides = []
52 if self.options.saveGuides:
53 guideXpath = "sodipodi:namedview/sodipodi:guide" #grab all guide tags in the namedview tag
54 for guideNode in self.document.xpath(guideXpath, namespaces=inkex.NSS):
55 ori = guideNode.get('orientation')
56 if ori == '0,1':
57 #this is a horizontal guide
58 pos = int(guideNode.get('position').split(',')[1].split('.')[0])
59 #GIMP doesn't like guides that are outside of the image
60 if pos > 0 and pos < pageHeight:
61 #the origin is at the top in GIMP land
62 hGuides.append(str(pageHeight - pos))
63 elif ori == '1,0':
64 #this is a vertical guide
65 pos = int(guideNode.get('position').split(',')[0].split('.')[0])
66 #GIMP doesn't like guides that are outside of the image
67 if pos > 0 and pos < pageWidth:
68 vGuides.append(str(pos))
70 hGList = ' '.join(hGuides)
71 vGList = ' '.join(vGuides)
73 gridSpacingFunc = ''
74 gridOriginFunc = ''
75 #GIMP only allows one rectangular grid
76 if self.options.saveGrid:
77 gridNode = self.xpathSingle("sodipodi:namedview/inkscape:grid[@type='xygrid' and (not(@units) or @units='px')]")
78 if gridNode != None:
79 #these attributes could be nonexistant
80 spacingX = gridNode.get('spacingx')
81 if spacingX == None: spacingX = '1 '
83 spacingY = gridNode.get('spacingy')
84 if spacingY == None: spacingY = '1 '
86 originX = gridNode.get('originx')
87 if originX == None: originX = '0 '
89 originY = gridNode.get('originy')
90 if originY == None: originY = '0 '
92 gridSpacingFunc = '(gimp-image-grid-set-spacing img %s %s)' % (spacingX[:-2], spacingY[:-2])
93 gridOriginFunc = '(gimp-image-grid-set-offset img %s %s)'% (originX[:-2], originY[:-2])
95 area = '--export-area-page'
96 pngs = []
97 names = []
98 path = "/svg:svg/*[name()='g' or @style][@id]"
99 for node in self.document.xpath(path, namespaces=inkex.NSS):
100 id = node.get('id')
101 filename = os.path.join(tmp_dir, "%s.png" % id)
102 command = "inkscape -i %s -j %s -e %s %s " % (id, area, filename, svg_file)
103 if bsubprocess:
104 p = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)
105 return_code = p.wait()
106 f = p.stdout
107 err = p.stderr
108 else:
109 _,f,err = os.popen3(command,'r')
110 f.read()
111 f.close()
112 err.close()
113 pngs.append(filename)
114 names.append(id)
116 filelist = '"%s"' % '" "'.join(pngs)
117 namelist = '"%s"' % '" "'.join(names)
118 xcf = os.path.join(tmp_dir, "%s.xcf" % docname)
119 script_fu = """
120 (tracing 1)
121 (define
122 (png-to-layer img png_filename layer_name)
123 (let*
124 (
125 (png (car (file-png-load RUN-NONINTERACTIVE png_filename png_filename)))
126 (png_layer (car (gimp-image-get-active-layer png)))
127 (xcf_layer (car (gimp-layer-new-from-drawable png_layer img)))
128 )
129 (gimp-image-add-layer img xcf_layer -1)
130 (gimp-drawable-set-name xcf_layer layer_name)
131 )
132 )
133 (let*
134 (
135 (img (car (gimp-image-new 200 200 RGB)))
136 )
137 (gimp-image-undo-disable img)
138 (for-each
139 (lambda (names)
140 (png-to-layer img (car names) (cdr names))
141 )
142 (map cons '(%s) '(%s))
143 )
145 (gimp-image-resize-to-layers img)
147 (for-each
148 (lambda (hGuide)
149 (gimp-image-add-hguide img hGuide)
150 )
151 '(%s)
152 )
154 (for-each
155 (lambda (vGuide)
156 (gimp-image-add-vguide img vGuide)
157 )
158 '(%s)
159 )
161 %s
162 %s
164 (gimp-image-undo-enable img)
165 (gimp-file-save RUN-NONINTERACTIVE img (car (gimp-image-get-active-layer img)) "%s" "%s"))
166 (gimp-quit 0)
167 """ % (filelist, namelist, hGList, vGList, gridSpacingFunc, gridOriginFunc, xcf, xcf)
169 junk = os.path.join(tmp_dir, 'junk_from_gimp.txt')
170 f = os.popen('gimp -i --batch-interpreter plug-in-script-fu-eval -b - > %s 2>&1' % junk,'w')
171 f.write(script_fu)
172 f.close()
173 # uncomment these lines to see the output from gimp
174 #err = open(junk, 'r')
175 #inkex.debug(err.read())
176 #err.close()
178 x = open(xcf, 'r')
179 sys.stdout.write(x.read())
180 x.close()
182 if __name__ == '__main__':
183 e = MyEffect()
184 e.affect()