dir=$dir; $this->rgb=$this->random_color(); } function prepareImage() { if(!is_dir($this->dir)) { $this->send404(); die(''); } if ($handle = opendir($this->dir)) { while (false !== ($file = readdir($handle))) { if(is_file($this->dir.'/'.$file) AND ($this->getFileExtension($this->dir.'/'.$file) == '.'.EXT) AND $file != '.' AND $file != '..') { $this->files[]=$file; } } closedir($handle); $this->image=$this->files[rand(0,sizeof($this->files)-1)]; } } function printImage() { $lines = file($this->dir.'/'.$this->image); $this->step=ceil(MAX_COL/sizeof($lines)); $step=$this->step; echo "\n"; $rgb=$this->rgb; $lrgb=$rgb; foreach ($lines as $line_num => $line) { $hcol=''; foreach ($rgb as $i => $col) { $lcol = $lrgb[$i]; $hcol .= sprintf("%02X", $col); if($lcol>$col) { $rgb[$i]-=$step; } else if($lcol<$col) { $rgb[$i]+=$step; } else if($lcol==$col) { $rgb[$i]+=$step; } if($rgb[$i]>MAX_COL) { $rgb[$i]=MAX_COL-$step; $lrgb[$i]=MAX_COL; } else if($rgb[$i]\n"; } echo "

" . str_replace("\r","",str_replace("\n", "", htmlspecialchars($line))) . "

"; } function send404() { header('Location: 404'); } function getFileExtension($filename) { return substr($filename, strrpos($filename, '.')); } function random_color() { mt_srand((double)microtime()*1000000); $c = ''; for ($i=0; $i<3; $i++) { $rgb[]=mt_rand(MIN_COL, MAX_COL); } return $rgb; } } ?>