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share/extensions/gimp_xcf.py
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#!/usr/bin/env python 
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'''
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Copyright (C) 2006 Aaron Spike, aaron@ekips.org
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Copyright (C) 2010 Nicolas Dufour, nicoduf@yahoo.fr (Windows support and various fixes)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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'''
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import inkex
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import sys, os, tempfile, shutil
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import gettext
 
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import sys, os, tempfile
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try:
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    from subprocess import Popen, PIPE
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class MyEffect(inkex.Effect):
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    def __init__(self):
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        inkex.Effect.__init__(self)
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        self.OptionParser.add_option("-d", "--guides",
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                                         action="store", type="inkbool",
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                                         dest="saveGuides", default=False,
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                                         help="Save the Guides with the .XCF")
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        self.OptionParser.add_option("-r", "--grid",
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                                         action="store", type="inkbool",
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                                         dest="saveGrid", default=False,
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                                         help="Save the Grid with the .XCF")
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        self.OptionParser.add_option("-d", "--guides",
 
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                                     action="store", type="inkbool",
 
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                                     dest="saveGuides", default=False,
 
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                                     help="Save the Guides with the .XCF")
 
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        self.OptionParser.add_option("-r", "--grid",
 
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                                     action="store", type="inkbool",
 
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                                     dest="saveGrid", default=False,
 
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                                     help="Save the Grid with the .XCF")
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    def output(self):
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        pass
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    def clear_tmp(self):
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        shutil.rmtree(self.tmp_dir)
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    def effect(self):
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        svg_file = self.args[-1]
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        ttmp_orig = self.document.getroot()
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        docname = ttmp_orig.get(inkex.addNS('docname',u'sodipodi'))
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        if docname is None: docname = self.args[-1]
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        pageHeight = int(inkex.unittouu(self.xpathSingle('/svg:svg/@height').split('.')[0]))
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        pageWidth = int(inkex.unittouu(self.xpathSingle('/svg:svg/@width').split('.')[0]))
 
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        docname = self.xpathSingle('/svg:svg/@sodipodi:docname')[:-4]
 
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        pageHeight = int(self.xpathSingle('/svg:svg/@height').split('.')[0])
 
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        pageWidth = int(self.xpathSingle('/svg:svg/@width').split('.')[0])
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        #create os temp dir
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        self.tmp_dir = tempfile.mkdtemp()
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        # Guides
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        hGuides = []
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        vGuides = []
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        valid = 0
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        if self.options.saveGuides:
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            guideXpath = "sodipodi:namedview/sodipodi:guide" #grab all guide tags in the namedview tag
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            for guideNode in self.document.xpath(guideXpath, namespaces=inkex.NSS):
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                ori = guideNode.get('orientation')
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                if  ori == '0,1':
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                    #this is a horizontal guide
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                    pos = int(guideNode.get('position').split(',')[1].split('.')[0])
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                    #GIMP doesn't like guides that are outside of the image
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                    if pos > 0 and pos < pageHeight:
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                        #the origin is at the top in GIMP land
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                        hGuides.append(str(pageHeight - pos))
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                elif ori == '1,0':
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                    #this is a vertical guide
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                    pos = int(guideNode.get('position').split(',')[0].split('.')[0])
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                    #GIMP doesn't like guides that are outside of the image
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                    if pos > 0 and pos < pageWidth:
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                        vGuides.append(str(pos))
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82
 
        hGList = ' '.join(hGuides)
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        vGList = ' '.join(vGuides)
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        # Grid
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        gridSpacingFunc = ''
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        gridOriginFunc = '' 
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        #GIMP only allows one rectangular grid
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        gridXpath = "sodipodi:namedview/inkscape:grid[@type='xygrid' and (not(@units) or @units='px')]"
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        if (self.options.saveGrid and self.document.xpath(gridXpath, namespaces=inkex.NSS)):
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            gridNode = self.xpathSingle(gridXpath)
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            if gridNode != None:
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                #these attributes could be nonexistant
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                spacingX = gridNode.get('spacingx')
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                if spacingX == None: spacingX = '1  '
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                spacingY = gridNode.get('spacingy')
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                if spacingY == None: spacingY = '1  '
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                originX = gridNode.get('originx')
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                if originX == None: originX = '0  '
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                originY = gridNode.get('originy')
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                if originY == None: originY = '0  '
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106
 
                gridSpacingFunc = '(gimp-image-grid-set-spacing img %s %s)' % (spacingX[:-2], spacingY[:-2])
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                gridOriginFunc = '(gimp-image-grid-set-offset img %s %s)'% (originX[:-2], originY[:-2])
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        # Layers
 
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        tmp_dir = tempfile.mkdtemp()
 
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        hGuides = []
 
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        vGuides = []
 
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        if self.options.saveGuides:
 
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                guideXpath = "sodipodi:namedview/sodipodi:guide" #grab all guide tags in the namedview tag
 
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                for guideNode in self.document.xpath(guideXpath, namespaces=inkex.NSS):
 
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                        ori = guideNode.get('orientation')
 
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                        if  ori == '0,1':
 
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                                #this is a horizontal guide
 
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                                pos = int(guideNode.get('position').split(',')[1].split('.')[0])
 
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                                #GIMP doesn't like guides that are outside of the image
 
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                                if pos > 0 and pos < pageHeight:
 
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                                        #the origin is at the top in GIMP land
 
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                                        hGuides.append(str(pageHeight - pos))
 
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                        elif ori == '1,0':
 
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                                #this is a vertical guide
 
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                                pos = int(guideNode.get('position').split(',')[0].split('.')[0])
 
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                                #GIMP doesn't like guides that are outside of the image
 
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                                if pos > 0 and pos < pageWidth:
 
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                                        vGuides.append(str(pos))
 
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        hGList = ' '.join(hGuides)
 
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        vGList = ' '.join(vGuides)
 
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        gridSpacingFunc = ''
 
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        gridOriginFunc = '' 
 
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        #GIMP only allows one rectangular grid
 
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        if self.options.saveGrid:
 
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                gridNode = self.xpathSingle("sodipodi:namedview/inkscape:grid[@type='xygrid' and (not(@units) or @units='px')]")
 
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                if gridNode != None:
 
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                        #these attributes could be nonexistant
 
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                        spacingX = gridNode.get('spacingx')
 
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                        if spacingX == None: spacingX = '1  '
 
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                        spacingY = gridNode.get('spacingy')
 
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                        if spacingY == None: spacingY = '1  '
 
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                        originX = gridNode.get('originx')
 
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                        if originX == None: originX = '0  '
 
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                        originY = gridNode.get('originy')
 
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                        if originY == None: originY = '0  '
 
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                        gridSpacingFunc = '(gimp-image-grid-set-spacing img %s %s)' % (spacingX[:-2], spacingY[:-2])
 
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                        gridOriginFunc = '(gimp-image-grid-set-offset img %s %s)'% (originX[:-2], originY[:-2])
 
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        area = '--export-area-page'
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        pngs = []
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        names = []
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        path = "/svg:svg/*[name()='g' or @style][@id]"
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        for node in self.document.xpath(path, namespaces=inkex.NSS):
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            if len(node) > 0: # Get rid of empty layers
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                valid=1
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                id = node.get('id')
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                if node.get("{" + inkex.NSS["inkscape"] + "}label"):
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                    name = node.get("{" + inkex.NSS["inkscape"] + "}label")
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                else:
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                    name = id
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                filename = os.path.join(self.tmp_dir, "%s.png" % id)
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                command = "inkscape -i %s -j %s -e %s %s " % (id, area, filename, svg_file)
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                if bsubprocess:
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                    p = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)
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                    return_code = p.wait()
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                    f = p.stdout
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                    err = p.stderr
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                else:
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                    _,f,err = os.popen3(command,'r')
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                f.read()
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                f.close()
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                err.close()
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                if os.name == 'nt':
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                    filename = filename.replace("\\", "/")
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                pngs.append(filename)
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                names.append(name.encode('utf-8'))
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        if (valid==0):
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            inkex.errormsg(gettext.gettext('This extension requires at least one non empty layer.'))
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            self.clear_tmp()
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            sys.exit(0)
 
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            id = node.get('id')
 
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            name = "%s.png" % id
 
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            filename = os.path.join(tmp_dir, name)
 
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            command = "inkscape -i %s -j %s -e %s %s " % (id, area, filename, svg_file)
 
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            if bsubprocess:
 
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                p = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)
 
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                return_code = p.wait()
 
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                f = p.stdout
 
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                err = p.stderr
 
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            else:
 
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                _,f,err = os.popen3(command,'r')
 
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            f.read()
 
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            f.close()
 
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            err.close()
 
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            pngs.append(filename)
 
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            names.append(id)
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        filelist = '"%s"' % '" "'.join(pngs)
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        namelist = '"%s"' % '" "'.join(names)
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        xcf = os.path.join(self.tmp_dir, "%s.xcf" % docname)
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        if os.name == 'nt':
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            xcf = xcf.replace("\\", "/")
 
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        xcf = os.path.join(tmp_dir, "%s.xcf" % docname)
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        script_fu = """
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(tracing 1)
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(define
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(gimp-quit 0)
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        """ % (filelist, namelist, hGList, vGList, gridSpacingFunc, gridOriginFunc, xcf, xcf)
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169
 
199
 
        junk = os.path.join(self.tmp_dir, 'junk_from_gimp.txt')
 
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        junk = os.path.join(tmp_dir, 'junk_from_gimp.txt')
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        f = os.popen('gimp -i --batch-interpreter plug-in-script-fu-eval -b - > %s 2>&1' % junk,'w')
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        f.write(script_fu)
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        f.close()
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        #inkex.debug(err.read())
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        #err.close()
207
178
 
208
 
        x = open(xcf, 'rb')
209
 
        if os.name == 'nt':
210
 
            try:
211
 
                import msvcrt
212
 
                msvcrt.setmode(1, os.O_BINARY)
213
 
            except:
214
 
                pass
 
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        x = open(xcf, 'r')
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        sys.stdout.write(x.read())
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        x.close()
217
 
        self.clear_tmp()
218
 
 
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if __name__ == '__main__':
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    e = MyEffect()