Thank you very much!!!
The trick you described works! I was able to print correct barcode using
transform attribute!

BR, Irina.
----- Original Message -----
From: "Keiron Liddle" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, February 07, 2002 1:16 PM
Subject: Re: FOP & SVG precision; how to keep thin lines precision???


> Hi Irina,
>
> I'm no barcode expert but one I tried looked fine to me.
> Have you zoomed in on the barcode in the pdf document. If you view it
> normally the viewer may approximate the lines and therefore distort it.
>
> If there is still a problem maybe you could send a small fo and pdf to
> demonstrate the problem.
>
> An alternative may be to make the whole barcode larger, multiply by a
> factor of ten say. Then place the barcode in an svg transform. This way
> the values in pdf are less likely to be round off and the image will be
> scaled.
>
> On 2002.02.06 16:50 Irina Grigorieva wrote:
> > Hi,
> >
> > I faced a problem. I need to generate barcodes (it is not a problem) and
> > draw it into PDF.
> > That is, to draw several rectangles...
> > The FO document looks like:
> >
> > <?xml version="1.0" encoding="UTF-8"?>
> > <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format";
> > xmlns:fox=http://xml.apache.org/fop/extensions>
> > ...
> > <svg:svg xmlns:svg="http://www.w3.org/2000/svg"; width="300"
height="300">
> > ...
> > <svg:rect x="0" y="0" stroke-width="0" stroke="none" fill="black"
> > height="50" width="1"/>
> > ...
> > </svg:svg>
> > </fo:root>
> >
> > When setting small _and_ fractional values to rectangle widths, they are
> > displayed incorrectly:
> > the rectangles that should be the same widths differs in real widths
> > about.. several times.
> >
> > However, the value "1" is displayed correctly.
> >
> > As far as I could understand, the problem is FOP precision is 72 dots
per
> > inch, that's why
> > any fractional values like 0.5..1.5 produces huge distortions.
> >
> > Am I right? Is it a feature of SVG, a feature of FOP? Can I use
something
> > different than Batik for SVG?
> > Would generating images solve the problem of precision (if then place
> > these images into PDF with FOP)?
> >
> > Please help.
> >
> > BR, Irina.
> >
> >
>

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