[racket] text/font not rendering symbol fonts on WinXP

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
<clementraphael at 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 <robby at 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
>> <clementraphael at 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
>> > <robby at 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
>> >> <clementraphael at 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
>> >> > <robby at 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
>> >> >> <clementraphael at 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
>> >> >> >
>> >> >
>> >> >
>> >
>> >
>
>