Sounds exciting! Cool! On Tue, Feb 3, 2009 at 2:31 AM, Jeremias Maerki <d...@jeremias-maerki.ch> wrote: > Oh, yes, I almost forgot: I'm removing the "dy" parameter for now since > it's not supported anyway until we support different writing-modes. > Doesn't make sense to keep that around until then. > > On 03.02.2009 11:10:03 Jeremias Maerki wrote: >> I'm getting near to finishing my work on the new intermediate format. >> Logically, performance tests have to show whether the goals have been >> achieved. Generally, they have: >> - Rendering directly from the new intermediate is a lot faster than from >> the old area tree XML format. >> - The new intermediate files are also a lot smaller. >> - New output formats are much easier to implement than the old Renderers. >> >> However, the performance tests showed that the improvement for the >> PostScript output was rather small (and that's one of the most important >> formats in that context). The cause was my simplistic approach to glyph >> positioning (using the xshow operator). It causes at least one >> DecimalFormat.format() call per glyph even if the text has no kerning, >> letter/wordspacing or justification. So I had to revise my decision to >> simply carry a "dx" (from SVG) property with glyph offsets. Adding SVG's >> letter-spacing and word-spacing attributes made it possible to keep dx >> to null in many cases. Furthermore, a custom text painting operator in >> PostScript (similar to PDF's TJ) allowed much more compact PostScript >> code and brought the performance back in the region of PDF and AFP. >> >> So, IFPainter.drawText will get two new parameters letterSpacing and >> wordSpacing. I'm currently updating the rest of the output formats in a >> similar way (for example, PDF gets to use the Tc operator for >> letter-spacing). AFP will also profit from that. I'll commit when >> everything's working again. >> >> I'll also publish performance figures when this is done. >> >> Jeremias Maerki >> > > > > > Jeremias Maerki > >
-- Regards, The Web Maestro -- <the.webmaes...@gmail.com> - <http://ourlil.com/> My religion is simple. My religion is kindness. - HH The 14th Dalai Lama of Tibet
