[mapserver-users] Label encoding

[Murty Maganti]

Hi

 

>The iconv.dll and fribidi.dll should be available to load by the
application by default. 
>Does this issue exists only when fribidi is compiled in? I can see a
couple of non-const static variables used by the fribidi library and I
wonder if we should >protect the access to these functions with locks
inside the mapserver code in a multi-threaded  environment.

 

I have the both DLLs present in PATH/binary folders. Though I see
SUPPORT=FRIBIDI output from map server, but I guess it is going through
iconv. When a specify wrong encoding like 'abc' it throws exception that
the encoding is not supported by iconv, which means it is using iconv.

 

Forgot to mention this previously. There is no problem loading the map
file (with encoding) in a desktop application on Vista. It hangs when I
load in ASP.Net environment. But same map file loads fine in ASP.Net on
XP machine.

 

Appreciate all the help.

 

Thanks

Murty

 

From: Tamas Szekeres [mailto:szekerest at gmail.com] 
Sent: Wednesday, March 11, 2009 6:28 PM
To: Murty Maganti
Cc: Daniel Morissette; mapserver-users at lists.osgeo.org
Subject: Re: [mapserver-users] Label encoding

 

 

2009/3/11 Murty Maganti <MMaganti at oriongis.com>

Hi

Is that list same if map server is compiled with Fribidi or is it
different?




Hi,


I can see the followings added in fribidi (according to
fribidi-char-sets-list.h)

#ifdef _FRIBIDI_ADD_CHAR_SET_OTHERS
_FRIBIDI_ADD_CHAR_SET_OTHERS (UTF8, utf8)        /* UTF-8 (Unicode) */
_FRIBIDI_ADD_CHAR_SET_OTHERS (CAP_RTL, cap_rtl)        /* CapRTL (Test)
*/
#endif /* _FRIBIDI_ADD_CHAR_SET_OTHERS */
#ifdef _FRIBIDI_ADD_CHAR_SET_ONE2ONE
_FRIBIDI_ADD_CHAR_SET_ONE2ONE (ISO8859_6, iso8859_6)    /* ISO8859-6
(Arabic) */
_FRIBIDI_ADD_CHAR_SET_ONE2ONE (ISO8859_8, iso8859_8)    /* ISO8859-8
(Hebrew) */
_FRIBIDI_ADD_CHAR_SET_ONE2ONE (CP1255, cp1255)        /* CP1255 (MS
Hebrew/Yiddish) */
_FRIBIDI_ADD_CHAR_SET_ONE2ONE (CP1256, cp1256)        /* CP1256 (MS
Arabic) */
#endif /* _FRIBIDI_ADD_CHAR_SET_ONE2ONE */

 
As far as I can see this takes precedence over iconv when fribidi is
compiled in, unless you specify FRIBIDI_NO_CHARSETS when compiling
mapserver. In the latter case iconv is used to when doing the encoding.



	
	Also, have another issue. I have a map file that loads perfectly
fine on
	XP and vista. The moment I add encoding attribute, it does not
load in
	vista (no matter what the coding value). It just hangs in
mapObj.draw()
	and need to restart IIS. Works fine on XP. Is there any clue
where I can
	look to resolve the issue. Do I need to install any additional
libraries
	for Iconv or Fribidi on Vista?


The iconv.dll and fribidi.dll should be available to load by the
application by default. 
Does this issue exists only when fribidi is compiled in? I can see a
couple of non-const static variables used by the fribidi library and I
wonder if we should protect the access to these functions with locks
inside the mapserver code in a multi-threaded  environment.

Best regards,

Tamas

 

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