Julian Lishev > WebTools > ImagePwd

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Module Version: 1.16   Source  

$img = ImagePwd::new (%inp);

 %inp hash can contain follow members:
 
   len      - Count of password string.
   width    - Width of generated image.
   height   - Height of generated image.
   f_max    - Maximum size of font.
   f_min    - Minimum size of font.
   fixed    - If you want to use one color for all chars please set this
              to '1' other else to '0'
   rot      - Maximum(minimum) rotate angle (0 up to 90)
   fonts    - Pointer to array of fonts that will be used for image password.
              (NT users should specify full path to fonts!)
   bgcolor  - Use only if you want to fix used bgcolor for image!!!
   color    - Use only if you want to fix used color for text!!!
   quality  - Quality of new generated image (variate of 0 up to 128)
   password - This member contain 'password' with length 'len'
   cell     - Set to '1' if you want over image to be placed cells,
              drawn with random color.

Note: Font sizes variates from 'f_min' up to 'f_max' pixels.

NAME ^

 ImagePwd.pm - Full featured Image password generator for Web

DESCRIPTION ^

ImagePwd is written in pure Perl and generate images that can be used against automatic scripts: about registrations, submittions, flood and any multiple undesired actions.

Prerequirements: - PerlMagick package, often became with ImageMagick (http://www.imagemagick.org/)

Features: You can automatize many aspects of generated image:

   - Length of password string.
   - Width of generated image.
   - Height of generated image.
   - Maximum size of font.
   - Minimum size of font.
   - You can use fixed color for all password chars.
   - You can rotate chars on random angle (0 up to 90)
   - To use array of fonts for generated image password.
   - To use one fixed bgcolor for image.
   - To use fixed color for text
   - To set quality level (variate of 0 up to 128)
   - To write your custom "password" text
   - To set over image cells, drawn with random color.

SYNOPSIS ^

 use ImagePwd;
 $obj = ImagePwd->new(len=>6, height=>60, width=>280, fixed=>1, rot=>10,
                      quality=>128, cell=>1, f_min=>20);
                      
 $obj->fonts(['c:/Windows/FONTS/Verdana.TTF','c:/Windows/FONTS/Arial.TTF',
              'c:/Windows/FONTS/comic.TTF','c:/Windows/FONTS/georgiab.TTF',
              'c:/Windows/FONTS/micross.TTF','c:/Windows/FONTS/tahoma.TTF',
             ]);
 # $obj->fonts(['kai.ttf']); # And more fonts for Unix/Linux users
 
 $img = $obj->ImagePassword();
 $| = 1;
 binmode STDOUT;
 print "Content-type: image/png\n\n";
 print $img->Write('png:-');
 
 OR

<?perl use ImagePwd;

 $obj = ImagePwd->new(len=>6, height=>60, width=>280, fixed=>1, rot=>10,
                     quality=>128, cell=>1, f_min=>20);

 $obj->fonts(['c:/Windows/FONTS/Verdana.TTF','c:/Windows/FONTS/Arial.TTF',
             'c:/Windows/FONTS/comic.TTF','c:/Windows/FONTS/georgiab.TTF',
             'c:/Windows/FONTS/micross.TTF','c:/Windows/FONTS/tahoma.TTF',
             ]);
 # $obj->fonts(['kai.ttf']); # And more fonts for Unix/Linux users

 $img = $obj->ImagePassword();

 ClearBuffer();
 ClearHeader();
 flush_print(1);
 set_printing_mode('');

 Header(type=>'raw',val=>"Content-type: image/png\n\n");
 print $img->Write('png:-');

?>

AUTHOR ^

 Julian Lishev - Bulgaria, Sofia, 
 e-mail: julian@proscriptum.com, 
 www.proscriptum.com
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