Another thought: try to work off a Linux with a PCL driver and print from Adobe Acrobat. I bet there will be a difference. If it works, it's one more point against the Windows PCL printer driver.
On 16.11.2010 15:24:35 Jeremias Maerki wrote: > Hi Peter > > Sorry for the late feedback. I don't see anything wrong with the paint > sequences you show here. These are basic painting operations. And I > assume they work perfectly when viewed in Acrobat Reader or GhostScript. > > Out of experience, I can say that the PCL printer drivers of Microsoft > origin have had problems for years (not just with FOP/Acrobat but also > with MS Word and other tools). And each time the equivalent PostScript > driver was used, the problem went away (see fop-users archive, too). To > a certain degree, you can play with the driver settings. In many cases, > I saw that the PCL driver rasterizes full pages rather than using text > operator. Not sure if that's part of the problem. > > In the end, I'm unclear how one should be able to find out why one > snippet below works and the other doesn't. The only real difference is > the 90° rotation in the second example. But I can't imagine that such a > basic operation should cause the problem. If it does, that driver is > simply buggy and it doesn't make sense to go through hoops to try to work > around the bug. And I can't imagine that two decimal digits more or less > will cause any such problem. > > Have you tried printing the PDF from GhostScript/GhostView to the PCL > printer? Or from another PDF viewer? Does the same problem occur? Have > you tried enabling "Print as Bitmap" in Acrobat (found in the printing > dialog under "Advanced")? > > On 12.11.2010 15:13:37 Peter Hancock wrote: > > Dear FOP devs, > > > > I am working on rounded corner support in fop (see branch > > Temp_RoundedCorners for work in progress) and I have hit upon a > > problem > > whilst trying to print PDF to a printer using a PCL6 driver. > > > > Borders in PDF are created using a graphical streams of primitive > > drawing commands and the rounded variant makes use of cubic bezier > > curves. > > I am inconsistently not able to print rounded borders and I am hoping > > a snippet of the graphical stream of two border sections may provide a > > fop developer with enough > > info to debug the problem. > > > > The first snippet is part of PDF that is successfully transformed to > > printable PLC > > q > > 1 0 0 1 -10 0 cm > > 4.393 4.393 m > > 7.205 1.581 11.023 0 14.999 0 c > > 383.720001 0 l > > 387.696014 0 391.514008 1.581 394.325989 4.393 c > > 387.255005 11.464 l > > 386.317993 10.527 385.045013 10 383.720001 10 c > > 15 10 l > > 13.674 10 12.401 10.527 11.464 11.464 c > > h > > W > > n > > 0 G > > [] 0 d 15 w > > 0 7.5 m 398.720001 7.5 l S > > Q > > > > The next snippet does not work > > > > q > > 1 0 0 1 51.022999 785.195007 cm > > -0 -1 1 -0 0 0 cm > > 8.302 8.302 m > > 13.616 2.988 20.830999 0 28.344999 0 c > > 700.156982 0 l > > 707.671021 0 714.885986 2.988 720.200012 8.302 c > > 716.192017 12.31 l > > 711.940002 8.059 706.169006 5.668 700.156982 5.669 c > > 28.346001 5.669 l > > 22.333 5.669 16.562 8.059 12.31 12.31 c > > h > > W > > n > > 0.85098 0.14902 0.254902 RG > > [] 0 d 28.346001 w > > 0 14.173 m 728.502991 14.173 l S > > Q > > > > I am aware that the problem may be in the print driver (outside the > > scope of this list), or due to a wider context in the PDF, > > but I am consistently able to print embedded SVGs that FOP maps to > > equivalent graphical streams, and this leads me to conclude there may > > be a problem with the border generation code. > > > > Whilst debugging this issues I did notice that the coordinates are > > formatted to 6 decimal places in the border painting yet to 8 dps in > > org.apache.fop.svg.PDFGraphics2D ( the SVG to PDF bridge). > > Changing PDFBorderPainter to use 8 dps did not solve my problem, > > however I am wondering why the discrepancy exists. > > > > Please prompt me for more details if you are able to offer any help > > > > Thanks in advance, > > > > Pete > > > > > Jeremias Maerki > Jeremias Maerki
