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. > > > > >