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Jpgraph 3.0.7 An error message saying "Fonts are not available or not readable"  

2010-08-02 12:41:11|  分类: 图形报告 |  标签: |举报 |字号 订阅

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When an image contains TTF fonts you might get an error message saying that the fonts are not available or not readable. If this is the case it is first necessary to check that the font files really exist in the directory that is specified in jpg-config.inc.php and that they are also readable by the HTTP/PHP process. If this is the case then it is necessary to check that the names of the font files are the one that JpGraph assumes, see the section called “Name of TTF font files”. Another problem can be if the PHP installation is running in "safe mode" (See PHP Manual: Security and safe mode) and has enabled strict directory policy via an "open_basedir" restriction. This will prevent the PHP process from reading any files outside the specified base directory. If this is enabled there is no way around for PHP to read any files outside this restriction and any TTF files necessary must be moved so that they can be accessed within the realms of the specified basedirectory.

If you are running IIS and Win2k and get the error "Can't find font" when trying to use TTF fonts then try to change the paths to UNIX style, i.e. "/usr/local/fonts/ttf/". Remember that the path is absolute and not relative to the htdocs catalogue.

If you are running on Unix server please keep in mind that file names are case sensitive.

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