El Dijous, 22 de març de 2012, a les 22:58:13, Jason A. Donenfeld va escriure: > Dear Poppler Maintainers,
Hi > Pdftops is a great utility. So great, in fact, that recent versions of CUPS > ship with optional compile-time support for using pdftops instead of > ghostscript. Gaining the confidence of print software is no small > accomplishment, and poppler has proved itself to be a very complete and > correct pdf parser. > > There is one area, however, where poppler unfortunately makes a significant > error: > > rasterize = scan->usesTransparency() || scan->usesPatternImageMask(); > > > The PSOutputDev uses Splash to rasterize PDFs if they're found to use > transparency or patterned image masks. While this works well for some use > cases, for many other use cases, especially in printing, rasterization is > the worst of all options and is often insufficient > > So I'm wondering -- is including proper support for transparency and > patterned image masks on the schedule for the immediate future? If so, > wonderful. As far as my limited PS knowledge goes, PS does not support transparency, so if your PDF has transparency you need to rasterize it otherwise it can never end up in a PS file correctly. Albert > > If not, would you consider adding a "--dont-rasterize" flag to pdftops, so > that if PSOutputDev is unable to convert without rasterization, it exits > with a known error code? This way, pdftops could be preferred, and > ghostscript might function as a fallback, for the case of a scripted > conversion utility. > > Thank you, > Jason Donenfeld _______________________________________________ poppler mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/poppler
