You could submit a PR. I'm the maintainer of the image library and the maintainer of the lower-level libraries that it depends on (which seem to be the ones where there might be a hope of finding a fix) also reads these messages.
Robby On Fri, Nov 23, 2012 at 6:37 PM, Clement Erik Ferguson <clementraph...@gmail.com> wrote: > Thank you for the suggestion, but that didn't work on XP or Ubuntu. Should I > submit the issue to Racket's github? I'm new to programming and don't know > what the protocol is for things like this... > > > > On Fri, Nov 23, 2012 at 4:32 PM, Robby Findler <ro...@eecs.northwestern.edu> > wrote: >> >> Oh, I see. I'm sorry I don't know what is going wrong. Different >> versions of cairo/pango could be relevant, possibly. >> >> I doubt it is going to matter, but if you change the expression on >> line 932 in collects/mrlib/image-core.rkt: >> >> (send dc draw-text (text-string np-atomic-shape) >> (real-part p) >> (imag-part p) >> #f 0 θ) >> >> by turning the #f into a #t, does that change anything? >> >> Robby >> >> >> On Fri, Nov 23, 2012 at 2:55 PM, Clement Erik Ferguson >> <clementraph...@gmail.com> wrote: >> > I'm sorry, I don't think I've explained the problem I'm having clearly. >> > >> > I have fonts that I'm using that map latin characters to neumes for >> > byzantine chant music. So pressing "1" gives me a particular musical >> > symbol, >> > and "a" gives me another symbol. I am trying to use text/font to render >> > those symbols, so I call it with a "1" but I'm getting a "1" instead of >> > the >> > musical symbol on certain platforms. This method works fine on Ubuntu >> > 12.04 >> > 32bit and a Debian system that another user tested it on (I'm not sure >> > of >> > the version info), but it isn't working on Windows XP and on Ubuntu >> > 12.10 >> > 64bit. >> > >> > If you go to https://github.com/muraiki/byzscribe and scroll down to the >> > picture, you can see what the output should look like. On platforms >> > where it >> > doesn't work, instead of getting the musical symbols I simply get the >> > textual string that should map to those symbols, such as 01a. >> > >> > You can download the font package, which includes a PDF with a character >> > table, from here: >> > http://www.stanthonysmonastery.org/music/ByzMusicFonts.zip >> > The character table is EZ-CharacterTables.pdf >> > >> > The other symbol fonts that I've tried work in the same way, although >> > instead of musical symbols they have other things like snowflakes and >> > shapes. Those aren't the fonts that I need to use, but I wanted to make >> > sure >> > that the problem didn't lie in the byzantine chant fonts. On platforms >> > where >> > the byzantine chant fonts don't work as expected, no other symbol fonts >> > work, either. >> > >> > I'm sorry if this is a bit confusing. Thank you for your help! >> > >> > >> > >> > On Fri, Nov 23, 2012 at 3:38 PM, Robby Findler >> > <ro...@eecs.northwestern.edu> >> > wrote: >> >> >> >> If you want to use, say, α, then you need an actual α in the string, >> >> not >> >> an "a". >> >> >> >> I don't know how the dingbats work, but certainly that's how it works >> >> for characters that are in the unicode character set. >> >> >> >> (You can type those characters by using their LaTeX equivalents and >> >> then hitting control-\ or alt-\ (depending on the platform).) >> >> >> >> Robby >> >> >> >> On Fri, Nov 23, 2012 at 2:02 PM, Clement Erik Ferguson >> >> <clementraph...@gmail.com> wrote: >> >> > Now I'm experiencing the same problem in Ubuntu 12.10. No symbol >> >> > fonts >> >> > render when using text/font; I only get the latin text equivalent. I >> >> > tried >> >> > this using the Dingbats font built into Ubuntu along with custom >> >> > symbol >> >> > fonts I had downloaded. Both Dingbats and the other symbol fonts I >> >> > downloaded work fine in other programs. >> >> > >> >> > The system where this did work correctly was an Ubuntu 12.04 machine >> >> > (running under a VM). The Ubuntu 12.10 machine I'm using now is a >> >> > fresh >> >> > OS >> >> > installation using the 64-bit binary downloaded from the Racket site. >> >> > >> >> > Is anyone else using Ubuntu 12.10? Can you try running the following >> >> > code? >> >> > >> >> > (require 2htdp/image) >> >> > (text/font "test" FONT-SIZE "black" "Dingbats" 'symbol 'normal >> >> > 'normal >> >> > #f) >> >> > >> >> > This should render some triangles and a snowflake, not "test". >> >> > >> >> > Thanks! >> >> > >> >> > >> >> > On Wed, Nov 21, 2012 at 1:54 PM, Robby Findler >> >> > <ro...@eecs.northwestern.edu> >> >> > wrote: >> >> >> >> >> >> The text/font function ultimately just calls find-or-create-font >> >> >> with >> >> >> the font details and then draw-string on the dc<%> with the string, >> >> >> so >> >> >> I guess that this is either a problem at that level of the Racket >> >> >> GUI >> >> >> system, or something that is just different about how Windows works >> >> >> from other platforms. (Sorry I don't know the right answer here.) >> >> >> >> >> >> Robby >> >> >> >> >> >> On Wed, Nov 21, 2012 at 12:29 PM, Clement Erik Ferguson >> >> >> <clementraph...@gmail.com> wrote: >> >> >> > Hi all, >> >> >> > >> >> >> > I'm a newcomer to Racket and I ran into a problem with the >> >> >> > text/font >> >> >> > function in 2htdp/image. stamourv on #racket helped me diagnose >> >> >> > this, >> >> >> > and it >> >> >> > seems to be a problem confined to Windows XP. When using text/font >> >> >> > with >> >> >> > a >> >> >> > symbol font like Wingdings or Symbol (standard symbol fonts >> >> >> > included >> >> >> > with >> >> >> > Windows) the character is not rendered. Instead, I get whatever >> >> >> > the >> >> >> > equivalent Roman character would be. >> >> >> > >> >> >> > For instance: >> >> >> > >> >> >> > (define testingfont >> >> >> > (text/font "012abc" 36 "black" >> >> >> > "Wingdings" 'default 'normal 'normal #f)) >> >> >> > >> >> >> > If I then type testingfont into the interactions window, instead >> >> >> > of >> >> >> > rendering a series of symbols I get the input string 012abc >> >> >> > instead. >> >> >> > I >> >> >> > also >> >> >> > tried using 'symbol instead of 'default. We tried the same code on >> >> >> > Debian >> >> >> > (stamourv) and Ubuntu (me) and it worked fine on those platforms. >> >> >> > >> >> >> > I'm running Windows XP 32-bit, and I am using Racket 5.3.1. >> >> >> > >> >> >> > Thanks! >> >> >> > >> >> >> > ____________________ >> >> >> > Racket Users list: >> >> >> > http://lists.racket-lang.org/users >> >> >> > >> >> > >> >> > >> > >> > > > ____________________ Racket Users list: http://lists.racket-lang.org/users
