On 21 June 2005 at 10:48, Ryan Lovett wrote:
| On Thu, Jun 16, 2005 at 08:17:55PM -0500, Dirk Eddelbuettel wrote:
| > On 16 June 2005 at 10:37, Ryan Lovett wrote:
| > | I'll look into building R with debugging symbols to check on the
| > | R_XLoadQueryFontSet function.
| >
| > Sounds good, and thanks for your help on it. I'll keep the report open til
we
| > get some resolution either way.
|
|
| morgoth:/# file /usr/lib/R/bin/exec/R
| /usr/lib/R/bin/exec/R: ELF 64-bit LSB executable, AMD x86-64, version 1
(SYSV), for GNU/Linux 2.6.0, dynamically linked (uses shared libs), not stripped
| morgoth:/# file /usr/lib/R/lib/libR*
| /usr/lib/R/lib/libRlapack.so: ELF 64-bit LSB shared object, AMD x86-64,
version 1 (SYSV), not stripped
| /usr/lib/R/lib/libR.so: ELF 64-bit LSB shared object, AMD x86-64,
version 1 (SYSV), not stripped
|
|
| morgoth:/var/tmp/r-base-2.1.0$ env R_HOME=/usr/lib/R
LD_LIBRARY_PATH=/usr/lib/R/lib R_SESSION_TMPDIR=/tmp/RtmpLER1pE gdb
/usr/lib/R/bin/exec/R
| ...
| (gdb) break R_XLoadQueryFontSet
| Function "R_XLoadQueryFontSet" not defined.
| Make breakpoint pending on future shared library load? (y or [n]) y
|
| Breakpoint 1 (R_XLoadQueryFontSet) pending.
| (gdb) r
| Starting program: /usr/lib/R/bin/exec/R
|
| R : Copyright 2005, The R Foundation for Statistical Computing
| Version 2.1.0 (2005-04-18), ISBN 3-900051-07-0
|
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| Natural language support but running in an English locale
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|
| p> plot(1:10)
| Breakpoint 2 at 0x2a97b0eb23: file devX11.c, line 695.
| Pending breakpoint "R_XLoadQueryFontSet" resolved
|
| Breakpoint 2, R_XLoadQueryFontSet (display=0xb5d9f0,
| fontset_name=0x7fbfff89b0
"-adobe-helvetica-medium-r-*-*-14-*-*-*-*-*-*-*")
| at devX11.c:695
| 695 R_XFont *tmp = (R_XFont *) malloc(sizeof(R_XFont));
| (gdb) l
| 690 */
| 691 #ifdef USE_FONTSET
| 692 static R_XFont *R_XLoadQueryFontSet(Display *display,
| 693 const char *fontset_name)
| 694 {
| 695 R_XFont *tmp = (R_XFont *) malloc(sizeof(R_XFont));
| 696 XFontSet fontset;
| 697 int /*i,*/ missing_charset_count;
| 698 char **missing_charset_list, *def_string;
| 699
| (gdb) n
| 700 fontset = XCreateFontSet(display, fontset_name,
| &missing_charset_list,
| (gdb) print fontset
| $1 = 0x518cc8
| (gdb) n
| 702 if(!fontset) {
| (gdb) print fontset
| $2 = 0x0
| (gdb) print fontset_name
| $3 = 0x7fbfff89b0 "-adobe-helvetica-medium-r-*-*-14-*-*-*-*-*-*-*"
| (gdb) n
| 703 free(tmp);
| (gdb) n
| 704 return NULL;
| (gdb) c
| Continuing.
|
| Breakpoint 2, R_XLoadQueryFontSet (display=0xb5d9f0,
| fontset_name=0x2a97b1bb60 "-*-fixed-medium-r-*--13-*-*-*-*-*-*-*")
| at devX11.c:695
| 695 R_XFont *tmp = (R_XFont *) malloc(sizeof(R_XFont));
| (gdb) print fontset_name
| $4 = 0x2a97b1bb60 "-*-fixed-medium-r-*--13-*-*-*-*-*-*-*"
| (gdb) n
| 700 fontset = XCreateFontSet(display, fontset_name,
| &missing_charset_list,
| (gdb) n
| 702 if(!fontset) {
| (gdb) print fontset
| $5 = 0x0
| (gdb) c
| Continuing.
| Error in X11() : could not find any X11 fonts
| Check that the Font Path is correct.
| >
|
|
| --
|
| I was able to run both of
| $ xterm -fn "-adobe-helvetica-medium-r-*-*-14-*-*-*-*-*-*-*"
| $ xterm -fn "-*-fixed-medium-r-*--13-*-*-*-*-*-*-*"
| without trouble and the font was displayed correctly.
The font code is not something I am familiar with. I would have to pass that
on the R Core folks. Before I do that -- could you check with the just
released R 2.1.1 ?
Thanks, Dirk
--
Statistics: The (futile) attempt to offer certainty about uncertainty.
-- Roger Koenker, 'Dictionary of Received Ideas of Statistics'
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