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Old 17-Jul-2008, 12:58 PM
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Join Date: Jun 2008
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hendrikbunnick is on a distinguished road
Default Problem with GD-lib Umlaute, PHP5.1.2, SLES10+SP1

Hi, i hope this is the right location to ask for help.

The Used Distribution is:
SLES 10 with Service Pack 1

Installed APACHE Version:

Apache/2.2.3 (Linux/SUSE)
Apache API Version 20051115

APACHE Modules:
Code:
 core_module (static), mpm_prefork_module (static), http_module (static), so_module (static)

 authz_host_module (shared)
 actions_module (shared)
 alias_module (shared)
 asis_module (shared)
 auth_basic_module (shared)
 authz_groupfile_module (shared)
 authn_file_module (shared)
 authz_user_module (shared)
 autoindex_module (shared)
 cgi_module (shared)
 dir_module (shared)
 rewrite_module (shared)
 env_module (shared)
 include_module (shared)
 log_config_module (shared)
 mime_module (shared)
 negotiation_module (shared)
 setenvif_module (shared)
 status_module (shared)
 userdir_module (shared)
 imagemap_module (shared)
 mime_magic_module (shared)
 ssl_module (shared)
 vhost_alias_module (shared)
 php5_module (shared)
 python_module (shared)
 authz_default_module (shared)
Only basic configurations are made in httpd.conf just enough to run a vhost.
If i did not oversee any option the problem should not be here.

Installed GD-2.0.28 (bundled from PHP5):
with support:
* JIS-mapped Japanese Font Support
* FreeType Support: enabled, linkage -> Freetype 2.1.10
* JPEG, GIF, PNG ... Support

My assumption that the Problem comes from JIS-mapped Japanese Support,
i could disable it by manually compile PHP5, but that not an option i can take.

Installed Freetype Version 2.1.10

Installed PHP5.1.2 which comes with SLES10:
Enabled Modules In default Configuration:
Code:
mhash, gd, mysql, xmlreader, iconv, tokenizer, curl, dom, odbc
mysqli, posix, gettext, gmp, wddx, pspell, shmop
calendar, mcrypt, fastcgi, ctype, xsl, exif, snmp, bcmath
sysvshm, sysvsem, xmlrpc, mbstring, ncurses, pear, openssl
soap, sockets, ldap, zlib, pdo, pcntl, sysvmsg
Differences to Default php.ini
Code:
--- php.ini (Default )
+++ php.ini (My Config)
 
 max_execution_time = 30     ; Maximum execution time of each script, in seconds
 max_input_time = 60	; Maximum amount of time each script may spend parsing request data
-memory_limit = 8M      ; Maximum amount of memory a script may consume (8MB)
+memory_limit = 512M      ; Maximum amount of memory a script may consume (8MB)
 
 
-register_globals = Off
+register_globals = On
   
+extension=oci8.so
 
-session.gc_maxlifetime = 1440
+session.gc_maxlifetime = 5400
 
 [mbstring]
 ;mbstring.language = Japanese
+mbstring.language = Neutral 
 
 ; internal/script encoding.
 ; Some encoding cannot work as internal encoding.
 ; (e.g. SJIS, BIG5, ISO-2022-*)
 ;mbstring.internal_encoding = EUC-JP
+mbstring.internal_encoding = UTF-8
 
 ; http input encoding.
-;mbstring.http_input = auto
+mbstring.http_input = "UTF-8"
 
 ; http output encoding. mb_output_handler must be
 ; registered as output buffer to function
 ;mbstring.http_output = SJIS
+mbstring.http_output = "UTF-8"
 
-;mbstring.encoding_translation = Off
+mbstring.encoding_translation = On
 
 ; automatic encoding detection order.
 ; auto means
-;mbstring.detect_order = auto
+mbstring.detect_order = auto
 
-;exif.encode_unicode = ISO-8859-15
+exif.encode_unicode = ISO-8859-15
 ;exif.decode_unicode_motorola = UCS-2BE
 ;exif.decode_unicode_intel    = UCS-2LE
 ;exif.encode_jis =
Used PHP Code as Example:
Code:
<?php
// Set the content-type
header("Content-type: image/png");
$im = imagecreatetruecolor(400, 30);
// Create some colors
$white = imagecolorallocate($im, 255, 255, 255);
$grey = imagecolorallocate($im, 128, 128, 128);
$black = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, 399, 29, $white);
// The text to draw
$text = 'Testing... Umlaute äöü';

// Replace path by your own font path (i used windows arial.ttf, it contains my needed characters, almost any other common font has too)
$font = 'arial.ttf';

// Add some shadow to the text
imagettftext($im, 20, 0, 11, 21, $grey, $font, $text);

// Add the text
imagettftext($im, 20, 0, 10, 20, $black, $font, $text);

// Using imagepng() results in clearer text compared with imagejpeg()
imagepng($im);
imagedestroy($im);
?>
The Result on another Linux Server is that the Image is created correctly corresponding to the "$text" defined above,
On the SLES 10 + SP1 Server the Result is that the letters 'äöü' are replaced by Squares.

Example Links:
http://img376.imageshack.us/img376/1...emgddf6.th.png
http://img381.imageshack.us/img381/4...10gdzn8.th.png
I assume that the Problem accures because of missconfigured or notconfigured encoding or GD because of the JIS-mapped Japanese Font Support.

I need a solution to this Problem, without manually Compiling PHP5 or Updating the System.
Also helpfull, if this Problem is not solvable under this conditions, a serious Source where this problem is stated.
(eg. SuSe/Novell Supporter; Knowlegebase Link, Or a changelog from PHP/GD etc where this problem is mentioned.
I searched already for my self but was not successfull, perhaps someone had this problem before).

Any ideas or help is most welcome.
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