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Bug #18062 Generating true type font images not working
Submitted: 2002-06-29 12:03 UTC Modified: 2002-07-09 20:20 UTC
From: usenet at watson-wilson dot ca Assigned:
Status: Not a bug Package: GD related
PHP Version: 4.2.1 OS: Linux 2.4.18
Private report: No CVE-ID: None
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From: usenet at watson-wilson dot ca
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 [2002-06-29 12:03 UTC] usenet at watson-wilson dot ca 
Compiled php 4.2.1 for Apache 1.3.26 using these options:

CPPFLAGS=-I/usr/local/include
LDFLAGS=-L/usr/local/lib
./configure --prefix=/usr/local \
  --with-apache=/usr/src/Apachetoolbox-1.5.54/apache_1.3.26 \
--enable-exif \
--enable-track-vars \
--with-calendar=shared \
--enable-safe-mode \
--enable-magic-quotes \
--enable-trans-sid \
--enable-wddx \
--enable-ftp \
--with-xpm-dir=/usr/X11R6 \
--with-gd=/usr/local \
--enable-gd-native-ttf \
--enable-gd-imgstrttf \
--with-freetype-dir=/usr/local/include/freetype2/freetype/ \
--with-ttf=/usr/local/lib \
--with-zlib \
--with-t1lib=/usr/local \
--with-jpeg-dir=/usr \
--with-png-dir=/usr \
--with-zlib-dir=/usr \
--with-openssl=/usr \
--with-mysql=/usr/local/mysql \

There are no errrors reported during the configure, compile or install.

This script: 
http://watson-wilson.ca/starfrontiers/images/title.php?size=35&text=Test

It is no longer working.  There are no entries in the apache error logs.  It was working prior to php 4.2.1.  I was using 4.0.? but can't remember the exact version (sorry).  I have searched the web, usenet, php.net, and phpbuilder.com.  I have asked to help on usenet and phpbuilder.com.  The only reply I had suggested that this might be a bug.  If it is not I apologize for wasting your time but I am out of options.

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 [2002-06-29 12:18 UTC] sniper@php.net 
Did you happen to update GD library?
And we really need a short example script too..
 [2002-06-29 12:22 UTC] sniper@php.net 
And this is wrong:

--with-ttf=/usr/local/lib 

It should be:

--with-ttf=/usr/local
 [2002-06-30 11:07 UTC] usenet at watson-wilson dot ca 
1.  I have not updated or changed GD in anyway.
2.  I've  tried --with-ttf=/usr/local but there was no improvement.

Here is the script:

<?
Header("Content-type: image/png");
// note - must use the absolute font path
// be careful about blank lines in your code which will output a blank and confuse browser
$font = "/usr/X11R6/lib/X11/fonts/drakfont/WORLDOFW.ttf";

$box = imagettfbbox($size, 0, $font, $text);

$xsize = $box[2]-$box[0]+10;
$ysize = $box[1]-$box[7]+10;

$xstart = ($xsize - ($box[2] - $box[0])) / 2;
$ystart = ($ysize - ($box[1] - $box[7])) / 2 - $box[7];

$im = imagecreate($xsize,$ysize);
$white = ImageColorAllocate($im, 255,255,255);
$black = ImageColorAllocate($im, 0,0,0);
$trans=ImageColorTransparent($im,$white);

ImageTTFText($im, $size, 0, $xstart, $ystart, $black, $font, $text);

Imagepng($im);
ImageDestroy($im);
?>
 [2002-07-02 21:43 UTC] sniper@php.net 
Provide a complete, self-contained script. The one here now can't be copy'pasted and run..
 [2002-07-03 08:25 UTC] usenet at watson-wilson dot ca 
The very nature of this problem is generating an image using an externally referenced true type font.  There is no way that I know of to include the font in the php script.
 [2002-07-03 08:29 UTC] derick@php.net 
Can you provide the font then?

Derick
 [2002-07-03 09:39 UTC] usenet at watson-wilson dot ca 
Here is the URL for the font:

http://www.scifi2k.com/fonts85231647/download/worldofwater.zip
 [2002-07-09 17:34 UTC] sniper@php.net 
Does the suggestion from Dmitry fix this 'bug'?
Or setting 'register_globals=on' in php.ini?
 [2002-07-09 18:00 UTC] dpetrov at nchcapital dot com 
Apparently, $size and $text are undefined. To understand the reason, check this place:

http://www.php.net/manual/en/language.variables.predefined.php

Because of that, $xsize and $ysize gets equal to 10, and you end up generating blank 10x10 PNG image.

Try to add this at the beginning of your script (before $box =):

$size = $_GET['size'];
$text = $_GET['text'];

Hope it helps,
Dmitry
 [2002-07-09 20:16 UTC] usenet at watson-wilson dot ca 
Setting register_globals = on did the trick.  Thanks!

Seems this is not a bug buy my own inexperience.  Sorry to have bothered everyone.
 [2002-07-09 20:20 UTC] eru@php.net 
User Error -> Bogus
 
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