JLatexMath and iText

> Hi Mark,
>
> Two possibilities:
>
> i) you can pass true as fourth argument of PdfGraphics2D to draw glyphs as
> shapes
> ii) you can register the ttf fonts in FontFactory (all the fonts are available
> on the JLM forge in a zip file
> http://forge.scilab.org/index.php/p/jlatexmath/downloads/345/ ) and you can
> override the method awtToPdf in DefaultFontMapper with something like:
> public BaseFont awtToPdf(Font f) {
>             if (f.getFontName().equals("jlm_cmex10")) {
>                      return FontFactory.getFont("jlm_cmex10").getBaseFont();
>             }
>             return super.awtToPdf(f);
> }
>
> You should write code for all other fonts...
> You could use  a Map<String, com.itextpdf.text.pdf.BaseFont> as a cache.
>
> Thanks to you to be a jlm user.
>
> Regards
>
> Calixte
>
> On 03/05/2012 16:23, Mark Taylor wrote:
> > Hi JLatexMath people,
> >
> > I would like to use JLatexMath to generate PDF output using the
> > iText library (http://itextpdf.com/).  I can get a Graphics2D from
> > iText and paint the TeXIcon onto it, and export the result as a PDF.
> > This apparently works, but the resulting PDF looks rubbish - the
> > fonts are not embedded in the document, so some default font is
> > used which means that symbols don't look anything like they are
> > supposed to.  I've attached the program which does this.
> >
> > I have poked around in the source code a bit, and I *think* what's
> > required to get the fonts embedded is to implement a suitable
> > com.itextpdf.awt.FontMapper which can supply a PDF font
> > (com.itextpdf.text.pdf.BaseFont object) corresponding to a given
> > LaTeX font.  Since the JLatexMath jar file contains ttf files,
> > I think that should be doable, though I don't know quite how to
> > do it, in particular what BaseFont "encoding" these ttf files use.
> > But, maybe I'm barking up the wrong tree - perhaps there's some
> > easier way to do it, like generating PDF fonts automatically from the
> > AWT fonts, or perhaps it's simply impossible.
> >
> > I realise I could render the TeXIcon to an image and paint that to
> > the PDF, but I want vector output so that's not a good option.
> > I also realise I could use FOP to generate PDF output, but it
> > seems rather a heavyweight solution.
> >
> > Has anybody tried to get iText working with JLatexMath?  Can anyone
> > give me help/advice in getting them to talk to each other?
> >
> > Thanks a lot,
> >
> > Mark
> >
> > PS JLatexMath is a very nice item - thank you to the developers.
> >     If I can get it generating vector output to PDFs I'll be a
> >     very happy man, and so will my users (astronomers).
> >
> > --
> > Mark Taylor   Astronomical Programmer   Physics, Bristol University, UK
> > [hidden email] +44-117-928-8776 http://www.star.bris.ac.uk/~mbt/
>
>

> Dear Calixte,
>
> fabulous!  Many thanks for the quick response.  If I'd guessed what
> "onlyShapes" meant I could have saved myself a lot of effort...
>
> A couple of supplementary questions:
>
> 1. The fonts already seem to be in the jlatexmath jar file;
>     is there any reason I need to get the jlatexmath-fonts.zip file
>     separately?

>
> Thanks again,
>
> Mark
>
> On Thu, 3 May 2012, Calixte DENIZET wrote:
>
>> Hi Mark,
>>
>> Two possibilities:
>>
>> i) you can pass true as fourth argument of PdfGraphics2D to draw glyphs as
>> shapes
>> ii) you can register the ttf fonts in FontFactory (all the fonts are available
>> on the JLM forge in a zip file
>> http://forge.scilab.org/index.php/p/jlatexmath/downloads/345/ ) and you can
>> override the method awtToPdf in DefaultFontMapper with something like:
>> public BaseFont awtToPdf(Font f) {
>>              if (f.getFontName().equals("jlm_cmex10")) {
>>                       return FontFactory.getFont("jlm_cmex10").getBaseFont();
>>              }
>>              return super.awtToPdf(f);
>> }
>>
>> You should write code for all other fonts...
>> You could use  a Map<String, com.itextpdf.text.pdf.BaseFont>  as a cache.
>>
>> Thanks to you to be a jlm user.
>>
>> Regards
>>
>> Calixte
>>
>> On 03/05/2012 16:23, Mark Taylor wrote:
>>> Hi JLatexMath people,
>>>
>>> I would like to use JLatexMath to generate PDF output using the
>>> iText library (http://itextpdf.com/).  I can get a Graphics2D from
>>> iText and paint the TeXIcon onto it, and export the result as a PDF.
>>> This apparently works, but the resulting PDF looks rubbish - the
>>> fonts are not embedded in the document, so some default font is
>>> used which means that symbols don't look anything like they are
>>> supposed to.  I've attached the program which does this.
>>>
>>> I have poked around in the source code a bit, and I *think* what's
>>> required to get the fonts embedded is to implement a suitable
>>> com.itextpdf.awt.FontMapper which can supply a PDF font
>>> (com.itextpdf.text.pdf.BaseFont object) corresponding to a given
>>> LaTeX font.  Since the JLatexMath jar file contains ttf files,
>>> I think that should be doable, though I don't know quite how to
>>> do it, in particular what BaseFont "encoding" these ttf files use.
>>> But, maybe I'm barking up the wrong tree - perhaps there's some
>>> easier way to do it, like generating PDF fonts automatically from the
>>> AWT fonts, or perhaps it's simply impossible.
>>>
>>> I realise I could render the TeXIcon to an image and paint that to
>>> the PDF, but I want vector output so that's not a good option.
>>> I also realise I could use FOP to generate PDF output, but it
>>> seems rather a heavyweight solution.
>>>
>>> Has anybody tried to get iText working with JLatexMath?  Can anyone
>>> give me help/advice in getting them to talk to each other?
>>>
>>> Thanks a lot,
>>>
>>> Mark
>>>
>>> PS JLatexMath is a very nice item - thank you to the developers.
>>>      If I can get it generating vector output to PDFs I'll be a
>>>      very happy man, and so will my users (astronomers).
>>>
>>> --
>>> Mark Taylor   Astronomical Programmer   Physics, Bristol University, UK
>>> [hidden email] +44-117-928-8776 http://www.star.bris.ac.uk/~mbt/
>>
> --
> Mark Taylor   Astronomical Programmer   Physics, Bristol University, UK
> [hidden email] +44-117-928-8776 http://www.star.bris.ac.uk/~mbt/