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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Appendix L. The JpGraph configuration file</title><link rel="stylesheet" type="text/css" href="manual.css"><meta name="generator" content="DocBook XSL Stylesheets V1.76.0"><link rel="home" href="index.html" title="JpGraph Manual"><link rel="up" href="pt09.html" title="Part IX. Appendices"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Appendix L. The JpGraph configuration file</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center">Part IX. Appendices</th><td width="20%" align="right"> </td></tr></table><hr></div><div class="appendix" title="Appendix L. The JpGraph configuration file"><div class="titlepage"><div><div><h2 class="title"><a name="app.jpg-config"></a>Appendix L. The JpGraph configuration file</h2></div></div></div>
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-inlinetags">&lt;?php</span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment">=======================================================================</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> File: JPG-CONFIG.INC</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Description: Configuration file for JpGraph library</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Created: 2004-03-27</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Ver: </span><span class="hl-inlinedoc">$Id: jpg-config.inc.php 1839 2009-09-25 12:36:15Z ljp $</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Copyright (c) Aditus Consulting. All rights reserved.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment">========================================================================</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment">------------------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Directories for cache and font directory.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> CACHE_DIR:</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> The full absolute name of the directory to be used to store the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> cached image files. This directory will not be used if the USE_CACHE</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> define (further down) is false. If you enable the cache please note that</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> this directory MUST be readable and writable for the process running PHP.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Must end with '/'</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> TTF_DIR:</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Directory where TTF fonts can be found. Must end with '/'</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> The default values used if these defines are left commented out are:</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> UNIX:</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> CACHE_DIR /tmp/jpgraph_cache/</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> TTF_DIR /usr/share/fonts/truetype/</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> MBTTF_DIR /usr/share/fonts/truetype/</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> WINDOWS:</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> CACHE_DIR $SERVER_TEMP/jpgraph_cache/</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> TTF_DIR $SERVER_SYSTEMROOT/fonts/</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> MBTTF_DIR $SERVER_SYSTEMROOT/fonts/</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment">------------------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> define('CACHE_DIR','/tmp/jpgraph_cache/');</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> define('TTF_DIR','/usr/share/fonts/truetype/');</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> define('MBTTF_DIR','/usr/share/fonts/truetype/');</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment">-------------------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Cache directory specification for use with CSIM graphs that are</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> using the cache.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> The directory must be the filesysystem name as seen by PHP</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> and the 'http' version must be the same directory but as</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> seen by the HTTP server relative to the 'htdocs' ddirectory.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> If a relative path is specified it is taken to be relative from where</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> the image script is executed.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> </span><span class="hl-inlinedoc">Note:</span><span class="hl-comment"> The default setting is to create a subdirectory in the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> directory from where the image script is executed and store all files</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> there. As ususal this directory must be writeable by the PHP process.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">CSIMCACHE_DIR</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">csimcache/</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">CSIMCACHE_HTTP_DIR</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">csimcache/</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment">------------------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Various JpGraph Settings. Adjust accordingly to your</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> preferences. Note that cache functionality is turned off by</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> default (Enable by setting USE_CACHE to true)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment">------------------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Deafult locale for error messages.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> This defaults to English = 'en'</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">DEFAULT_ERR_LOCALE</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">en</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Deafult graphic format set to 'auto' which will automatically</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> choose the best available format in the order png,gif,jpeg</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> (The supported format depends on what your PHP installation supports)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">DEFAULT_GFORMAT</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">auto</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Should the cache be used at all? By setting this to false no</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> files will be generated in the cache directory.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> The difference from READ_CACHE being that setting READ_CACHE to</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> false will still create the image in the cache directory</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> just not use it. By setting USE_CACHE=false no files will even</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> be generated in the cache directory.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">USE_CACHE</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Should we try to find an image in the cache before generating it?</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Set this define to false to bypass the reading of the cache and always</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> regenerate the image. Note that even if reading the cache is</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> disabled the cached will still be updated with the newly generated</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> image. Set also 'USE_CACHE' below.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">READ_CACHE</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Determine if the error handler should be image based or purely</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> text based. Image based makes it easier since the script will</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> always return an image even in case of errors.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">USE_IMAGE_ERROR_HANDLER</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Should the library examine the global php_errmsg string and convert</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> any error in it to a graphical representation. This is handy for the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> occasions when, for example, header files cannot be found and this results</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> in the graph not being created and just a 'red-cross' image would be seen.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> This should be turned off for a production site.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">CATCH_PHPERRMSG</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Determine if the library should also setup the default PHP</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> error handler to generate a graphic error mesage. This is useful</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> during development to be able to see the error message as an image</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> instead as a 'red-cross' in a page where an image is expected.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">INSTALL_PHP_ERR_HANDLER</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">false</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Should usage of deprecated functions and parameters give a fatal error?</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> (Useful to check if code is future proof.)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">ERR_DEPRECATED</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> The builtin GD function imagettfbbox() fuction which calculates the bounding box for</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> text using TTF fonts is buggy. By setting this define to true the library</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> uses its own compensation for this bug. However this will give a</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> slightly different visual apparance than not using this compensation.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Enabling this compensation will in general give text a bit more space to more</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> truly reflect the actual bounding box which is a bit larger than what the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> GD function thinks.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">USE_LIBRARY_IMAGETTFBBOX</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment">------------------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> The following constants should rarely have to be changed !</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment">------------------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> What group should the cached file belong to</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> (Set to '' will give the default group for the 'PHP-user')</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Please note that the Apache user must be a member of the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> specified group since otherwise it is impossible for Apache</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> to set the specified group.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">CACHE_FILE_GROUP</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">www</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> What permissions should the cached file have</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> (Set to '' will give the default persmissions for the 'PHP-user')</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">define</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">CACHE_FILE_MOD</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-number">0664</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div>
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