Michael Droettboom wrote: > [I've been discussing this off-list with John Hunter, and I thought I'd > summarize that conversation in case anyone else on this list has any > thoughts or suggestions.] > > I've started working on the problem of reducing Postscript output file > sizes by saving out only the glyphs that are used in the figure. There > are (at least) two alternative approaches: > > 1. Subset the Truetype font into another Truetype font and embed it as > we do now. This could theoretically be done with fonttools/ttx. > Writing out .ttf files looks to be rather complex, and there's a lot of > griping about the format itself to be found on the 'net. John also > mentioned that he'd prefer not to add the requirement of fonttools to > the mix from past experience. > > 2. Convert the Truetype font to a Type 3 font (which is basically a set > of standard Postscript commands). There is a small C application > (http://www.this.net/~frank/ttconv.tar.gz) that converts TTF to Type 3 > that looks to work quite well. Some modifications would have to be made > to actually subset the font and to integrate with Python etc., but it's > fairly straightforward code, and the licensing is amenable to including > it in the matplotlib source tree. > > Clearly, I'm leaning toward option #2, but thought I'd open it to the > crowd to see if there are any other options or opinions on the matter.
I'm very glad to hear that you are working on this, and option #2 sounds good to me. Is the potential advantage of #1 better ultimate rendering quality? Or smaller file size? It looks like fonttools has been untouched since 2002, correct? > > The plan is to make the choice of the existing or new behavior be an > option, with the default TBD. Is there any reason *not* to do the subsetting? Eric > > Cheers, > Mike ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
