initial commit

1 files changed, 87 insertions, 0 deletions

diff --git a/ascii-php-class/ascii-class.php b/ascii-php-class/ascii-class.php
new file mode 100644
index 0000000..44ef2db
--- /dev/null
+++ b/ascii-php-class/ascii-class.php
@@ -0,0 +1,87 @@
+<?php
+
+define('MIN_COL',50);
+define('MAX_COL',254);
+define('EXT','txt');
+
+class AsciiImage
+{
+  var $dir;
+  var $files;
+  var $image;
+  var $rgb;
+  var $step;
+
+  function AsciiImage($dir) {
+        $this->dir=$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 "<font size=\"-2\"><table align=\"center\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\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]<MIN_COL) {
+                                $rgb[$i]=MIN_COL+$step;
+                                $lrgb[$i]=MIN_COL;
+                        }
+                }
+                echo "\t<tr><td><span style=\"color: #".$hcol.";\">" . str_replace("\r","",str_replace("\n", "", htmlspecialchars($line))) . "</span></td></tr>\n";
+        }
+        echo "</table></font>";
+  }
+
+  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;
+  }
+
+}
+
+?>
+