mirror of
https://github.com/noDRM/DeDRM_tools.git
synced 2024-11-18 11:56:09 +06:00
250 lines
10 KiB
Python
250 lines
10 KiB
Python
#! /usr/bin/python
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# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
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import sys
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import csv
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import os
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import getopt
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from struct import pack
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from struct import unpack
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class PParser(object):
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def __init__(self, gd, flatxml, meta_array):
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self.gd = gd
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self.flatdoc = flatxml.split('\n')
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self.docSize = len(self.flatdoc)
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self.temp = []
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self.ph = -1
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self.pw = -1
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startpos = self.posinDoc('page.h') or self.posinDoc('book.h')
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for p in startpos:
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(name, argres) = self.lineinDoc(p)
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self.ph = max(self.ph, int(argres))
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startpos = self.posinDoc('page.w') or self.posinDoc('book.w')
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for p in startpos:
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(name, argres) = self.lineinDoc(p)
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self.pw = max(self.pw, int(argres))
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if self.ph <= 0:
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self.ph = int(meta_array.get('pageHeight', '11000'))
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if self.pw <= 0:
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self.pw = int(meta_array.get('pageWidth', '8500'))
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res = []
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startpos = self.posinDoc('info.glyph.x')
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for p in startpos:
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argres = self.getDataatPos('info.glyph.x', p)
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res.extend(argres)
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self.gx = res
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res = []
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startpos = self.posinDoc('info.glyph.y')
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for p in startpos:
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argres = self.getDataatPos('info.glyph.y', p)
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res.extend(argres)
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self.gy = res
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res = []
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startpos = self.posinDoc('info.glyph.glyphID')
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for p in startpos:
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argres = self.getDataatPos('info.glyph.glyphID', p)
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res.extend(argres)
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self.gid = res
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# return tag at line pos in document
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def lineinDoc(self, pos) :
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if (pos >= 0) and (pos < self.docSize) :
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item = self.flatdoc[pos]
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if item.find('=') >= 0:
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(name, argres) = item.split('=',1)
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else :
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name = item
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argres = ''
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return name, argres
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# find tag in doc if within pos to end inclusive
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def findinDoc(self, tagpath, pos, end) :
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result = None
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if end == -1 :
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end = self.docSize
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else:
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end = min(self.docSize, end)
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foundat = -1
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for j in xrange(pos, end):
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item = self.flatdoc[j]
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if item.find('=') >= 0:
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(name, argres) = item.split('=',1)
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else :
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name = item
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argres = ''
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if name.endswith(tagpath) :
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result = argres
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foundat = j
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break
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return foundat, result
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# return list of start positions for the tagpath
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def posinDoc(self, tagpath):
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startpos = []
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pos = 0
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res = ""
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while res != None :
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(foundpos, res) = self.findinDoc(tagpath, pos, -1)
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if res != None :
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startpos.append(foundpos)
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pos = foundpos + 1
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return startpos
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def getData(self, path):
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result = None
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cnt = len(self.flatdoc)
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for j in xrange(cnt):
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item = self.flatdoc[j]
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if item.find('=') >= 0:
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(name, argt) = item.split('=')
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argres = argt.split('|')
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else:
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name = item
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argres = []
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if (name.endswith(path)):
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result = argres
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break
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if (len(argres) > 0) :
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for j in xrange(0,len(argres)):
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argres[j] = int(argres[j])
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return result
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def getDataatPos(self, path, pos):
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result = None
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item = self.flatdoc[pos]
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if item.find('=') >= 0:
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(name, argt) = item.split('=')
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argres = argt.split('|')
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else:
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name = item
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argres = []
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if (len(argres) > 0) :
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for j in xrange(0,len(argres)):
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argres[j] = int(argres[j])
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if (name.endswith(path)):
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result = argres
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return result
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def getDataTemp(self, path):
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result = None
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cnt = len(self.temp)
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for j in xrange(cnt):
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item = self.temp[j]
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if item.find('=') >= 0:
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(name, argt) = item.split('=')
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argres = argt.split('|')
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else:
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name = item
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argres = []
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if (name.endswith(path)):
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result = argres
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self.temp.pop(j)
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break
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if (len(argres) > 0) :
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for j in xrange(0,len(argres)):
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argres[j] = int(argres[j])
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return result
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def getImages(self):
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result = []
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self.temp = self.flatdoc
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while (self.getDataTemp('img') != None):
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h = self.getDataTemp('img.h')[0]
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w = self.getDataTemp('img.w')[0]
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x = self.getDataTemp('img.x')[0]
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y = self.getDataTemp('img.y')[0]
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src = self.getDataTemp('img.src')[0]
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result.append('<image xlink:href="../img/img%04d.jpg" x="%d" y="%d" width="%d" height="%d" />\n' % (src, x, y, w, h))
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return result
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def getGlyphs(self):
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result = []
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if (self.gid != None) and (len(self.gid) > 0):
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glyphs = []
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for j in set(self.gid):
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glyphs.append(j)
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glyphs.sort()
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for gid in glyphs:
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id='id="gl%d"' % gid
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path = self.gd.lookup(id)
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if path:
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result.append(id + ' ' + path)
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return result
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def convert2SVG(gdict, flat_xml, pageid, previd, nextid, svgDir, raw, meta_array, scaledpi):
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mlst = []
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pp = PParser(gdict, flat_xml, meta_array)
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mlst.append('<?xml version="1.0" standalone="no"?>\n')
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if (raw):
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mlst.append('<!DOCTYPE svg PUBLIC "-//W3C/DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
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mlst.append('<svg width="%fin" height="%fin" viewBox="0 0 %d %d" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">\n' % (pp.pw / scaledpi, pp.ph / scaledpi, pp.pw -1, pp.ph -1))
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mlst.append('<title>Page %d - %s by %s</title>\n' % (pageid, meta_array['Title'],meta_array['Authors']))
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else:
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mlst.append('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\n')
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mlst.append('<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" ><head>\n')
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mlst.append('<title>Page %d - %s by %s</title>\n' % (pageid, meta_array['Title'],meta_array['Authors']))
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mlst.append('<script><![CDATA[\n')
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mlst.append('function gd(){var p=window.location.href.replace(/^.*\?dpi=(\d+).*$/i,"$1");return p;}\n')
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mlst.append('var dpi=%d;\n' % scaledpi)
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if (previd) :
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mlst.append('var prevpage="page%04d.xhtml";\n' % (previd))
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if (nextid) :
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mlst.append('var nextpage="page%04d.xhtml";\n' % (nextid))
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mlst.append('var pw=%d;var ph=%d;' % (pp.pw, pp.ph))
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mlst.append('function zoomin(){dpi=dpi*(0.8);setsize();}\n')
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mlst.append('function zoomout(){dpi=dpi*1.25;setsize();}\n')
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mlst.append('function setsize(){var svg=document.getElementById("svgimg");var prev=document.getElementById("prevsvg");var next=document.getElementById("nextsvg");var width=(pw/dpi)+"in";var height=(ph/dpi)+"in";svg.setAttribute("width",width);svg.setAttribute("height",height);prev.setAttribute("height",height);prev.setAttribute("width","50px");next.setAttribute("height",height);next.setAttribute("width","50px");}\n')
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mlst.append('function ppage(){window.location.href=prevpage+"?dpi="+Math.round(dpi);}\n')
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mlst.append('function npage(){window.location.href=nextpage+"?dpi="+Math.round(dpi);}\n')
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mlst.append('var gt=gd();if(gt>0){dpi=gt;}\n')
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mlst.append('window.onload=setsize;\n')
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mlst.append(']]></script>\n')
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mlst.append('</head>\n')
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mlst.append('<body onLoad="setsize();" style="background-color:#777;text-align:center;">\n')
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mlst.append('<div style="white-space:nowrap;">\n')
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if previd == None:
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mlst.append('<a href="javascript:ppage();"><svg id="prevsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"></svg></a>\n')
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else:
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mlst.append('<a href="javascript:ppage();"><svg id="prevsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"><polygon points="5,150,95,5,95,295" fill="#AAAAAA" /></svg></a>\n')
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mlst.append('<a href="javascript:npage();"><svg id="svgimg" viewBox="0 0 %d %d" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" style="background-color:#FFF;border:1px solid black;">' % (pp.pw, pp.ph))
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if (pp.gid != None):
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mlst.append('<defs>\n')
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gdefs = pp.getGlyphs()
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for j in xrange(0,len(gdefs)):
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mlst.append(gdefs[j])
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mlst.append('</defs>\n')
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img = pp.getImages()
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if (img != None):
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for j in xrange(0,len(img)):
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mlst.append(img[j])
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if (pp.gid != None):
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for j in xrange(0,len(pp.gid)):
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mlst.append('<use xlink:href="#gl%d" x="%d" y="%d" />\n' % (pp.gid[j], pp.gx[j], pp.gy[j]))
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if (img == None or len(img) == 0) and (pp.gid == None or len(pp.gid) == 0):
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xpos = "%d" % (pp.pw // 3)
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ypos = "%d" % (pp.ph // 3)
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mlst.append('<text x="' + xpos + '" y="' + ypos + '" font-size="' + meta_array['fontSize'] + '" font-family="Helvetica" stroke="black">This page intentionally left blank.</text>\n')
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if (raw) :
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mlst.append('</svg>')
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else :
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mlst.append('</svg></a>\n')
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if nextid == None:
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mlst.append('<a href="javascript:npage();"><svg id="nextsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"></svg></a>\n')
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else :
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mlst.append('<a href="javascript:npage();"><svg id="nextsvg" viewBox="0 0 100 300" xmlns="http://www.w3.org/2000/svg" version="1.1" style="background-color:#777"><polygon points="5,5,5,295,95,150" fill="#AAAAAA" /></svg></a>\n')
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mlst.append('</div>\n')
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mlst.append('<div><a href="javascript:zoomin();">zoom in</a> - <a href="javascript:zoomout();">zoom out</a></div>\n')
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mlst.append('</body>\n')
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mlst.append('</html>\n')
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return "".join(mlst)
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