Paulo,
First of all thanks for your code.
Now I've tried wit a couple of jbig images but when I open the document with
Reader I get the error
"A drawing error occurred"
Giuseppe.
Paulo Soares wrote:
>
> Here's the code:
>
> Document.compress = false;
> RandomAccessFile rf = new RandomAccessFile("c:\\output.0000", "r");
> rf.seek(11);
> int width = rf.readInt();
> int height = rf.readInt();
> rf.seek(0);
> byte[] pg = new byte[(int)rf.length()];
> rf.readFully(pg);
> rf.close();
> rf = new RandomAccessFile("c:\\output.sym", "r");
> byte[] sym = new byte[(int)rf.length()];
> rf.readFully(sym);
> rf.close();
> Document doc = new Document();
> PdfWriter writer = PdfWriter.getInstance(doc, new
> FileOutputStream("c:\\outjbig2.pdf"));
> doc.open();
> Image img = new ImgRaw(width, height, 1, 1, pg);
> PdfDictionary dic = new PdfDictionary();
> dic.put(PdfName.FILTER, new PdfName("JBIG2Decode"));
> PdfDictionary dp = new PdfDictionary();
> PdfStream str = new PdfStream(sym);
> PdfIndirectReference iref =
> writer.addToBody(str).getIndirectReference();
> dp.put(new PdfName("JBIG2Globals"), iref);
> dic.put(PdfName.DECODEPARMS, dp);
> img.setAdditional(dic);
> img.scalePercent(10);
> doc.add(img);
> doc.close();
>
> I'll have to make a couple of changes in Image to get rid of
> "Document.compress = false".
>
> Paulo
>
>> -----Original Message-----
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED] On
>> Behalf Of Paulo Soares
>> Sent: Friday, January 19, 2007 11:40 AM
>> To: Post all your questions about iText here
>> Subject: Re: [iText-questions] tiff2pdf with jbig2
>>
>> Clever script. I'll need the jbig2 files and the resulting PDF to do
>> some tests. You can send it to me privately if you don't want
>> to post it
>> to the world.
>>
>> Paulo
>>
>> > -----Original Message-----
>> > From: [EMAIL PROTECTED]
>> > [mailto:[EMAIL PROTECTED] On
>> > Behalf Of beppecosta
>> > Sent: Friday, January 19, 2007 10:58 AM
>> > To: itext-questions@lists.sourceforge.net
>> > Subject: Re: [iText-questions] tiff2pdf with jbig2
>> >
>> >
>> > This is the Python script.
>> >
>> >
>> > -----------
>> > import sys
>> > import re
>> > import struct
>> > import glob
>> > import os
>> >
>> > # This is a very simple script to make a PDF file out of the
>> > output of a
>> > # multipage symbol compression.
>> > # Run ./jbig2 -s <other options> image1.jpeg image1.jpeg ...
>> > # python pdf.py > out.pdf
>> >
>> > class Ref:
>> > def __init__(self, x):
>> > self.x = x
>> > def __str__(self):
>> > return "%d 0 R" % self.x
>> >
>> > class Dict:
>> > def __init__(self, values = {}):
>> > self.d = {}
>> > self.d.update(values)
>> >
>> > def __str__(self):
>> > s = ['<< ']
>> > for (x, y) in self.d.items():
>> > s.append('/%s ' % x)
>> > s.append(str(y))
>> > s.append("\n")
>> > s.append(">>\n")
>> >
>> > return ''.join(s)
>> >
>> > global_next_id = 1
>> >
>> > class Obj:
>> > next_id = 1
>> > def __init__(self, d = {}, stream = None):
>> > global global_next_id
>> >
>> > if stream is not None:
>> > d['Length'] = str(len(stream))
>> > self.d = Dict(d)
>> > self.stream = stream
>> > self.id = global_next_id
>> > global_next_id += 1
>> >
>> > def __str__(self):
>> > s = []
>> > s.append(str(self.d))
>> > if self.stream is not None:
>> > s.append('stream\n')
>> > s.append(self.stream)
>> > s.append('\nendstream\n')
>> > s.append('endobj\n')
>> >
>> > return ''.join(s)
>> >
>> > class Doc:
>> > def __init__(self):
>> > self.objs = []
>> > self.pages = []
>> >
>> > def add_object(self, o):
>> > self.objs.append(o)
>> > return o
>> >
>> > def add_page(self, o):
>> > self.pages.append(o)
>> > return self.add_object(o)
>> >
>> > def __str__(self):
>> > a = []
>> > j = [0]
>> > offsets = []
>> >
>> > def add(x):
>> > a.append(x)
>> > j[0] += len(x) + 1
>> > add('%PDF-1.4')
>> > for o in self.objs:
>> > offsets.append(j[0])
>> > add('%d 0 obj' % o.id)
>> > add(str(o))
>> > xrefstart = j[0]
>> > a.append('xref')
>> > a.append('0 %d' % (len(offsets) + 1))
>> > a.append('0000000000 65535 f ')
>> > for o in offsets:
>> > a.append('%010d 00000 n ' % o)
>> > a.append('')
>> > a.append('trailer')
>> > a.append('<< /Size %d\n/Root 1 0 R >>' % (len(offsets) + 1))
>> > a.append('startxref')
>> > a.append(str(xrefstart))
>> > a.append('%%EOF')
>> >
>> > # sys.stderr.write(str(offsets) + "\n")
>> >
>> > return '\n'.join(a)
>> >
>> > def ref(x):
>> > return '%d 0 R' % x
>> >
>> > def main(symboltable='symboltable', pagefiles=glob.glob('page-*')):
>> > doc = Doc()
>> > doc.add_object(Obj({'Type' : '/Catalog', 'Outlines' :
>> > ref(2), 'Pages' :
>> > ref(3)}))
>> > doc.add_object(Obj({'Type' : '/Outlines', 'Count': '0'}))
>> > pages = Obj({'Type' : '/Pages'})
>> > doc.add_object(pages)
>> > symd = doc.add_object(Obj({}, file(symboltable, 'r').read()))
>> > page_objs = []
>> >
>> > for p in pagefiles:
>> > try:
>> > contents = file(p).read()
>> > except IOError:
>> > sys.stderr.write("error reading page file %s\n"% p)
>> > continue
>> > (width, height) = struct.unpack('>II', contents[11:19])
>> > xobj = Obj({'Type': '/XObject', 'Subtype': '/Image', 'Width':
>> > str(width), 'Height': str(height), 'ColorSpace':
>> > '/DeviceGray',
>> > 'BitsPerComponent': '1', 'Filter': '/JBIG2Decode',
>> > 'DecodeParms':
>> > ' << /JBIG2Globals %d 0 R >>' % symd.id}, contents)
>> > contents = Obj({}, 'q %d 0 0 %d 0 0 cm /Im1 Do Q' %
>> > (width, height))
>> > resources = Obj({'ProcSet': '[/PDF /ImageB]',
>> > 'XObject': '<< /Im1 %d 0 R >>' % xobj.id})
>> > page = Obj({'Type': '/Page', 'Parent': '3 0 R',
>> > 'MediaBox': '[ 0 0 %d %d ]' % (width, height),
>> > 'Contents': ref(contents.id),
>> > 'Resources': ref(resources.id)})
>> > [doc.add_object(x) for x in [xobj, contents, resources, page]]
>> > page_objs.append(page)
>> >
>> > pages.d.d['Count'] = str(len(page_objs))
>> > pages.d.d['Kids'] = '[' + ' '.join([ref(x.id) for x in
>> > page_objs]) + ']'
>> >
>> > print str(doc)
>> >
>> >
>> > def usage(script, msg):
>> > if msg:
>> > sys.stderr.write("%s: %s\n"% (script, msg))
>> > sys.stderr.write("Usage: %s [file_basename] > out.pdf\n"% script)
>> > sys.exit(1)
>> >
>> >
>> > if __name__ == '__main__':
>> >
>> > if len(sys.argv) == 2:
>> > sym = sys.argv[1] + '.sym'
>> > pages = glob.glob(sys.argv[1] + '.[0-9]*')
>> > elif len(sys.argv) == 1:
>> > sym = 'symboltable'
>> > pages = glob.glob('page-*')
>> > else:
>> > usage(sys.argv[0])
>> >
>> > if not os.path.exists(sym):
>> > usage("symbol table %s not found!"% sym)
>> > elif len(pages) == 0:
>> > usage("no pages found!")
>> >
>> > main(sym, pages)
>> >
>> >
>> >
>> > Paulo Soares wrote:
>> > >
>> > > Show us the Python script and I'll tell you something about it.
>> > >
>> > > Paulo
>> > >
>> > >> -----Original Message-----
>> > >> From: [EMAIL PROTECTED]
>> > >> [mailto:[EMAIL PROTECTED] On
>> > >> Behalf Of beppecosta
>> > >> Sent: Friday, January 19, 2007 10:27 AM
>> > >> To: itext-questions@lists.sourceforge.net
>> > >> Subject: [iText-questions] tiff2pdf with jbig2
>> > >>
>> > >>
>> > >> At present on our iSeries(as400) we use iText/tiff2pdf to
>> > >> create pdf from
>> > >> scanned tiff documents. We produce thousands of documents per
>> > >> day and this
>> > >> works perfecty. However because these pdf's should be
>> > >> archived on optical
>> > >> disks and kept for one year (and because optical media cost a
>> > >> lot) we are
>> > >> intereted in reducing the final size of the document.
>> > >> We have been able to port leptionlib and jbig2 on our system
>> > >> and now we can
>> > >> get a "output.0000" and "output.sym" from a tiff image that
>> > >> is 35 to 60 %
>> > >> less that a tiff g4 image. Python script can generate a pdf
>> > >> from it, but we
>> > >> would prefer a java solution. Is there a way to implement
>> > >> iText to include
>> > >> this jbig2 compressed image instead of tiff ?
>> > >> Thanks.
>> > >> Giuseppe.
>
>
> Aviso Legal:
> Esta mensagem é destinada exclusivamente ao destinatário. Pode conter
> informação confidencial ou legalmente protegida. A incorrecta transmissão
> desta mensagem não significa a perca de confidencialidade. Se esta
> mensagem for recebida por engano, por favor envie-a de volta para o
> remetente e apague-a do seu sistema de imediato. É proibido a qualquer
> pessoa que não o destinatário de usar, revelar ou distribuir qualquer
> parte desta mensagem.
>
> Disclaimer:
> This message is destined exclusively to the intended receiver. It may
> contain confidential or legally protected information. The incorrect
> transmission of this message does not mean the loss of its
> confidentiality. If this message is received by mistake, please send it
> back to the sender and delete it from your system immediately. It is
> forbidden to any person who is not the intended receiver to use,
> distribute or copy any part of this message.
>
>
>
> -------------------------------------------------------------------------
> Take Surveys. Earn Cash. Influence the Future of IT
> Join SourceForge.net's Techsay panel and you'll get the chance to share
> your
> opinions on IT & business topics through brief surveys - and earn cash
> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
> _______________________________________________
> iText-questions mailing list
> iText-questions@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/itext-questions
> Buy the iText book: http://itext.ugent.be/itext-in-action/
>
>
--
View this message in context:
http://www.nabble.com/tiff2pdf-with-jbig2-tf3039185.html#a8504551
Sent from the iText - General mailing list archive at Nabble.com.
-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys - and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
_______________________________________________
iText-questions mailing list
iText-questions@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/itext-questions
Buy the iText book: http://itext.ugent.be/itext-in-action/
