import inkex, sys, re, os

from lxml import etree

class C(inkex.Effect):

def __init__(self):

inkex.Effect.__init__(self)

self.OptionParser.add_option("-w", "--width", action="store", type="int", dest="desktop_width", default="100", help="Custom width")

self.OptionParser.add_option("-z", "--height", action="store", type="int", dest="desktop_height", default="100", help="Custom height")

def effect(self):

saveout = sys.stdout

sys.stdout = sys.stderr

width = self.options.desktop_width

height = self.options.desktop_height

if height == 0 | width == 0:

return;

factor = float(width)/float(height)

path = os.path.dirname(os.path.realpath(__file__))

self.document = etree.parse(os.path.join(path, "seamless_pattern.svg"))

root = self.document.getroot()

root.set("id", "SVGRoot")

root.set("width", str(width) + 'px')

root.set("height", str(height) + 'px')

root.set("viewBox", "0 0 " + str(width) + " " + str(height) )

xpathStr = '//svg:rect[@id="clipPathRect"]'

clipPathRect = root.xpath(xpathStr, namespaces=inkex.NSS)

if clipPathRect != []:

clipPathRect[0].set("width", str(width))

clipPathRect[0].set("height", str(height))

xpathStr = '//svg:pattern[@id="Checkerboard"]'

designZoneData = root.xpath(xpathStr, namespaces=inkex.NSS)

if designZoneData != []:

if factor <= 1:

designZoneData[0].set("patternTransform", "scale(" + str(10.0) + "," + str(factor * 10) + ")")

else:

designZoneData[0].set("patternTransform", "scale(" + str(10.0/factor) + "," + str(10.0) + ")")

xpathStr = '//svg:g[@id="designTop"] | //svg:g[@id="designBottom"] | //svg:g[@id="transparencyPreview"]'

designZone = root.xpath(xpathStr, namespaces=inkex.NSS)

if designZone != []:

designZone[0].set("transform", "scale(" + str(width/100.0) + "," + str(height/100.0) + ")")

designZone[1].set("transform", "scale(" + str(width /100.0) + "," + str(height/100.0) + ")")

designZone[2].set("transform", "scale(" + str(width /100.0) + "," + str(height/100.0) + ")")

xpathStr = '//svg:g[@id="designTop"]/child::*'

designZoneData = root.xpath(xpathStr, namespaces=inkex.NSS)

if designZoneData != []:

if factor <= 1:

designZoneData[0].set("transform", "scale(1," + str(factor) + ")")

designZoneData[1].set("transform", "scale(1," + str(factor) + ")")

designZoneData[2].set("transform", "scale(1," + str(factor) + ")")

else:

designZoneData[0].set("transform", "scale(" + str(1.0/factor) + ",1)")

designZoneData[1].set("transform", "scale(" + str(1.0/factor) + ",1)")

designZoneData[2].set("transform", "scale(" + str(1.0/factor) + ",1)")

xpathStr = '//svg:g[@id="textPreview"]'

previewText = root.xpath(xpathStr, namespaces=inkex.NSS)

if previewText != []:

if factor <= 1:

previewText[0].set("transform", "translate(" + str(width * 2) + ",0) scale(" + str(width/100.0) + "," + str((height/100.0) * factor) + ")")

else:

previewText[0].set("transform", "translate(" + str(width * 2) + ",0) scale(" + str((width/100.0)/factor) + "," + str(height/100.0) + ")")

xpathStr = '//svg:g[@id="infoGroup"]'

infoGroup = root.xpath(xpathStr, namespaces=inkex.NSS)

if infoGroup != []:

if factor <= 1:

infoGroup[0].set("transform", "scale(" + str(width/100.0) + "," + str((height/100.0) * factor) + ")")

else:

infoGroup[0].set("transform", "scale(" + str(width/1000.0) + "," + str((height/1000.0) * factor) + ")")

xpathStr = '//svg:use[@id="top1"] | //svg:use[@id="bottom1"]'

pattern1 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern1 != []:

pattern1[0].set("transform", "translate(" + str(-width) + "," + str(-height) + ")")

pattern1[1].set("transform", "translate(" + str(-width) + "," + str(-height) + ")")

xpathStr = '//svg:use[@id="top2"] | //svg:use[@id="bottom2"]'

pattern2 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern2 != []:

pattern2[0].set("transform", "translate(0," + str(-height) +")" )

pattern2[1].set("transform", "translate(0," + str(-height) +")" )

xpathStr = '//svg:use[@id="top3"] | //svg:use[@id="bottom3"]'

pattern3 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern3 != []:

pattern3[0].set("transform", "translate(" + str(width) + "," + str(-height) + ")" )

pattern3[1].set("transform", "translate(" + str(width) + "," + str(-height) + ")" )

xpathStr = '//svg:use[@id="top4"] | //svg:use[@id="bottom4"]'

pattern4 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern4 != []:

pattern4[0].set("transform", "translate(" + str(-width) + ",0)" )

pattern4[1].set("transform", "translate(" + str(-width) + ",0)" )

xpathStr = '//svg:use[@id="top5"] | //svg:use[@id="bottom5"]'

pattern5 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern5 != []:

pattern5[0].set("transform", "translate(0,0)" )

pattern5[1].set("transform", "translate(0,0)" )

xpathStr = '//svg:use[@id="top6"] | //svg:use[@id="bottom6"]'

pattern6 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern6 != []:

pattern6[0].set("transform", "translate(" + str(width) + ",0)" )

pattern6[1].set("transform", "translate(" + str(width) + ",0)" )

xpathStr = '//svg:use[@id="top7"] | //svg:use[@id="bottom7"]'

pattern7 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern7 != []:

pattern7[0].set("transform", "translate(" + str(-width) + "," + str(height) + ")" )

pattern7[1].set("transform", "translate(" + str(-width) + "," + str(height) + ")" )

xpathStr = '//svg:use[@id="top8"] | //svg:use[@id="bottom8"]'

pattern8 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern8 != []:

pattern8[0].set("transform", "translate(0," + str(height) + ")" )

pattern8[1].set("transform", "translate(0," + str(height) + ")" )

xpathStr = '//svg:use[@id="top9"] | //svg:use[@id="bottom9"]'

pattern9 = root.xpath(xpathStr, namespaces=inkex.NSS)

if pattern9 != []:

pattern9[0].set("transform", "translate(" + str(width) + "," + str(height) + ")" )

pattern9[1].set("transform", "translate(" + str(width) + "," + str(height) + ")" )

xpathStr = '//svg:use[@id="clonePreview1"]'

clonePreview1 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview1 != []:

clonePreview1[0].set("transform", "translate(0," + str(height) + ")" )

xpathStr = '//svg:use[@id="clonePreview2"]'

clonePreview2 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview2 != []:

clonePreview2[0].set("transform", "translate(0," + str(height * 2) + ")" )

xpathStr = '//svg:use[@id="clonePreview3"]'

clonePreview3 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview3 != []:

clonePreview3[0].set("transform", "translate(" + str(width) + ",0)" )

xpathStr = '//svg:use[@id="clonePreview4"]'

clonePreview4 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview4 != []:

clonePreview4[0].set("transform", "translate(" + str(width) + "," + str(height) + ")" )

xpathStr = '//svg:use[@id="clonePreview5"]'

clonePreview5 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview5 != []:

clonePreview5[0].set("transform", "translate(" + str(width) + "," + str(height * 2) + ")" )

xpathStr = '//svg:use[@id="clonePreview6"]'

clonePreview6 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview6 != []:

clonePreview6[0].set("transform", "translate(" + str(width*2) + ", 0)" )

xpathStr = '//svg:use[@id="clonePreview7"]'

clonePreview7 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview7 != []:

clonePreview7[0].set("transform", "translate(" + str(width*2) + "," + str(height) + ")" )

xpathStr = '//svg:use[@id="clonePreview8"]'

clonePreview8 = root.xpath(xpathStr, namespaces=inkex.NSS)

if clonePreview8 != []:

clonePreview8[0].set("transform", "translate(" + str(width*2) + "," + str(height*2) + ")" )

xpathStr = '//svg:use[@id="fullPatternClone"]'

patternGenerator = root.xpath(xpathStr, namespaces=inkex.NSS)

if patternGenerator != []:

patternGenerator[0].set("transform", "translate(" + str(width * 2) + ",-" + str(height) + ")" )

patternGenerator[0].set("{http://www.inkscape.org/namespaces/inkscape}tile-cx", str(width/2))

patternGenerator[0].set("{http://www.inkscape.org/namespaces/inkscape}tile-cy", str(height/2))

patternGenerator[0].set("{http://www.inkscape.org/namespaces/inkscape}tile-w", str(width))

patternGenerator[0].set("{http://www.inkscape.org/namespaces/inkscape}tile-h", str(height))

patternGenerator[0].set("{http://www.inkscape.org/namespaces/inkscape}tile-x0", str(width))

patternGenerator[0].set("{http://www.inkscape.org/namespaces/inkscape}tile-y0", str(height))

patternGenerator[0].set("width", str(width))

patternGenerator[0].set("height", str(height))

namedview = root.find(inkex.addNS('namedview', 'sodipodi'))

if namedview is None:

namedview = inkex.etree.SubElement( root, inkex.addNS('namedview', 'sodipodi') );

namedview.set(inkex.addNS('document-units', 'inkscape'), 'px')

namedview.set(inkex.addNS('cx', 'inkscape'), str((width*5.5)/2.0) )

namedview.set(inkex.addNS('cy', 'inkscape'), "0" )

namedview.set(inkex.addNS('zoom', 'inkscape'), str(1.0 / (width/100.00)) )

sys.stdout = saveout

c = C()

c.affect()