Thank you for the info, we'll implement your solution.
Paulo
On Tue, Aug 28, 2012 at 11:00 PM, Schwanitz, Bill
<bschwan...@extensis.com> wrote:
> Hi Everyone,
>
>
>
> I’m not certain this is the right place to post this. Please let me know I
> there is a more appropriate venue.
>
>
>
> I will admit, up-front, that I am using iText in a non-standard way… I am
> not using it to create or parse PDFs. I am only using the CFFFontSubset
> class to subset the CFF table of a web font. Consequently, I am not sure the
> problem I have found would ever surface when a subsetted CFF is wrapped in a
> PDF.
>
>
>
> That said, I have found an incompatibility between iText’s CFF subsetter and
> the rasterizer used in IE9 and Firefox 8.0 on Windows (the problem is fixed
> in IE10). The bug is actually in Adobe’s CFF rasterizer (this nifty bit of
> code is licensed by MS and included in DirectWrite, and therefore in IE).
> The nitty-gritty is that there is a bug in the CFF rasterizer that causes
> problems parsing any operators after the FDArray operator in a dictionary.
> The workaround, then, is to be sure the FDArray is the last operator in the
> dictionary.
>
>
>
> The implementation of this workaround in iText is quite simple. In class
> com.itextpdf.text.pdf.CFFFontSubset I made the following change to the
> CreateKeys method:
>
>
>
> Old:
>
> protected void CreateKeys(OffsetItem fdarrayRef,OffsetItem
> fdselectRef,OffsetItem charsetRef,OffsetItem charstringsRef)
>
> {
>
> // create an FDArray key
>
> OutputList.addLast(fdarrayRef);
>
> OutputList.addLast(new UInt8Item((char)12));
>
> OutputList.addLast(new UInt8Item((char)36));
>
> // create an FDSelect key
>
> OutputList.addLast(fdselectRef);
>
> OutputList.addLast(new UInt8Item((char)12));
>
> OutputList.addLast(new UInt8Item((char)37));
>
> // create an charset key
>
> OutputList.addLast(charsetRef);
>
> OutputList.addLast(new UInt8Item((char)15));
>
> // create a CharStrings key
>
> OutputList.addLast(charstringsRef);
>
> OutputList.addLast(new UInt8Item((char)17));
>
> }
>
>
>
> New:
>
> protected void CreateKeys(OffsetItem fdarrayRef,OffsetItem
> fdselectRef,OffsetItem charsetRef,OffsetItem charstringsRef)
>
> {
>
> // create an FDSelect key
>
> OutputList.addLast(fdselectRef);
>
> OutputList.addLast(new UInt8Item((char)12));
>
> OutputList.addLast(new UInt8Item((char)37));
>
> // create an charset key
>
> OutputList.addLast(charsetRef);
>
> OutputList.addLast(new UInt8Item((char)15));
>
> // create a CharStrings key
>
> OutputList.addLast(charstringsRef);
>
> OutputList.addLast(new UInt8Item((char)17));
>
> // create an FDArray key
>
> OutputList.addLast(fdarrayRef);
>
> OutputList.addLast(new UInt8Item((char)12));
>
> OutputList.addLast(new UInt8Item((char)36));
>
> }
>
>
>
> Notice that I have just moved the creation of the FDArray key to the end of
> the method.
>
>
>
> Not sure if this will be beneficial to anyone, nonetheless I wanted to
> document the incompatibility and the tested workaround.
>
>
>
> Cheers,
>
> Bill
>
>
> ------------------------------------------------------------------------------
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> _______________________________________________
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>
> iText(R) is a registered trademark of 1T3XT BVBA.
> Many questions posted to this list can (and will) be answered with a
> reference to the iText book: http://www.itextpdf.com/book/
> Please check the keywords list before you ask for examples:
> http://itextpdf.com/themes/keywords.php
------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and
threat landscape has changed and how IT managers can respond. Discussions
will include endpoint security, mobile security and the latest in malware
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
_______________________________________________
iText-questions mailing list
iText-questions@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/itext-questions
iText(R) is a registered trademark of 1T3XT BVBA.
Many questions posted to this list can (and will) be answered with a reference
to the iText book: http://www.itextpdf.com/book/
Please check the keywords list before you ask for examples:
http://itextpdf.com/themes/keywords.php
