Sample code of Captcha in ASCII characters. It will be useful when you cannot use GD library on the server.
The perl module to parse BDF font file, Font::BDF::Reader, is required. The module distributed by CPAN has some bugs (maybe). Please replace the module.
- sample code in Perl.
- Modified version of Font::BDF::Reader.pm
- BDF font taken from X11R6.
- comment plugin with ASCII captcha for FreeStyleWiki. Modifed by Mr. Anonymous. See fswiki:BugTrack-plugin/347 for detail.