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#!/usr/bin/env python
'''
Copyright (C) 2006 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 inkex
import sys, os, tempfile
class MyEffect(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("-d", "--guides",
action="store", type="inkbool",
dest="saveGuides", default=False,
help="Save the Guides with the .XCF")
self.OptionParser.add_option("-r", "--grid",
action="store", type="inkbool",
dest="saveGrid", default=False,
help="Save the Grid with the .XCF")
def output(self):
pass
def effect(self):
svg_file = self.args[-1]
docname = self.xpathSingle('/svg:svg/@sodipodi:docname')[:-4]
pageHeight = int(self.xpathSingle('/svg:svg/@height').split('.')[0])
pageWidth = int(self.xpathSingle('/svg:svg/@width').split('.')[0])
#create os temp dir
tmp_dir = tempfile.mkdtemp()
hGuides = []
vGuides = []
if self.options.saveGuides:
guideXpath = "sodipodi:namedview/sodipodi:guide" #grab all guide tags in the namedview tag
for guideNode in self.document.xpath(guideXpath, namespaces=inkex.NSS):
ori = guideNode.get('orientation')
if ori == '0,1':
#this is a horizontal guide
pos = int(guideNode.get('position').split(',')[1].split('.')[0])
#GIMP doesn't like guides that are outside of the image
if pos > 0 and pos < pageHeight:
#the origin is at the top in GIMP land
hGuides.append(str(pageHeight - pos))
elif ori == '1,0':
#this is a vertical guide
pos = int(guideNode.get('position').split(',')[0].split('.')[0])
#GIMP doesn't like guides that are outside of the image
if pos > 0 and pos < pageWidth:
vGuides.append(str(pos))
hGList = ' '.join(hGuides)
vGList = ' '.join(vGuides)
gridSpacingFunc = ''
gridOriginFunc = ''
#GIMP only allows one rectangular grid
if self.options.saveGrid:
gridNode = self.xpathSingle("sodipodi:namedview/inkscape:grid[@type='xygrid' and (not(@units) or @units='px')]")
if gridNode != None:
#these attributes could be nonexistant
spacingX = gridNode.get('spacingx')
if spacingX == None: spacingX = '1 '
spacingY = gridNode.get('spacingy')
if spacingY == None: spacingY = '1 '
originX = gridNode.get('originx')
if originX == None: originX = '0 '
originY = gridNode.get('originy')
if originY == None: originY = '0 '
gridSpacingFunc = '(gimp-image-grid-set-spacing img %s %s)' % (spacingX[:-2], spacingY[:-2])
gridOriginFunc = '(gimp-image-grid-set-offset img %s %s)'% (originX[:-2], originY[:-2])
area = '--export-area-canvas'
pngs = []
names = []
path = "/svg:svg/*[name()='g' or @style][@id]"
for node in self.document.xpath(path, namespaces=inkex.NSS):
id = node.get('id')
name = "%s.png" % id
filename = os.path.join(tmp_dir, name)
command = "inkscape -i %s -j %s -e %s %s " % (id, area, filename, svg_file)
_,f,err = os.popen3(command,'r')
f.read()
f.close()
err.close()
pngs.append(filename)
names.append(id)
filelist = '"%s"' % '" "'.join(pngs)
namelist = '"%s"' % '" "'.join(names)
xcf = os.path.join(tmp_dir, "%s.xcf" % docname)
script_fu = """
(tracing 1)
(define
(png-to-layer img png_filename layer_name)
(let*
(
(png (car (file-png-load RUN-NONINTERACTIVE png_filename png_filename)))
(png_layer (car (gimp-image-get-active-layer png)))
(xcf_layer (car (gimp-layer-new-from-drawable png_layer img)))
)
(gimp-image-add-layer img xcf_layer -1)
(gimp-drawable-set-name xcf_layer layer_name)
)
)
(let*
(
(img (car (gimp-image-new 200 200 RGB)))
)
(gimp-image-undo-disable img)
(for-each
(lambda (names)
(png-to-layer img (car names) (cdr names))
)
(map cons '(%s) '(%s))
)
(gimp-image-resize-to-layers img)
(for-each
(lambda (hGuide)
(gimp-image-add-hguide img hGuide)
)
'(%s)
)
(for-each
(lambda (vGuide)
(gimp-image-add-vguide img vGuide)
)
'(%s)
)
%s
%s
(gimp-image-undo-enable img)
(gimp-file-save RUN-NONINTERACTIVE img (car (gimp-image-get-active-layer img)) "%s" "%s"))
(gimp-quit 0)
""" % (filelist, namelist, hGList, vGList, gridSpacingFunc, gridOriginFunc, xcf, xcf)
junk = os.path.join(tmp_dir, 'junk_from_gimp.txt')
f = os.popen('gimp -i --batch-interpreter plug-in-script-fu-eval -b - > %s 2>&1' % junk,'w')
f.write(script_fu)
f.close()
# uncomment these lines to see the output from gimp
#err = open(junk, 'r')
#inkex.debug(err.read())
#err.close()
x = open(xcf, 'r')
sys.stdout.write(x.read())
x.close()
if __name__ == '__main__':
e = MyEffect()
e.affect()
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