localistation, chart view and added some functions

includes/functions.semr.php

@@ -415,5 +415,59 @@ function semr_i18np($sSingular, $sPlural, $iNumber, $sDomain = "semmelstatzR") {
     return _n($sSingular, $sPlural, $iNumber, $sDomain);
 }
 
+/**
+ *
+ * @author anyexample.com
+ * @license http://www.anyexample.com/license/
+ * @link http://www.anyexample.com/programming/php/php_convert_rgb_from_to_html_hex_color.xml
+ * 
+ * @param string $color
+ * @return array 
+ */
+function semr_hex2rgb($color) {
+    if ($color[0] == '#')
+        $color = substr($color, 1);
+
+    if (strlen($color) == 6)
+        list($r, $g, $b) = array($color[0].$color[1],
+                                 $color[2].$color[3],
+                                 $color[4].$color[5]);
+    elseif (strlen($color) == 3)
+        list($r, $g, $b) = array($color[0].$color[0], $color[1].$color[1], $color[2].$color[2]);
+    else
+        return false;
+
+    $r = hexdec($r); $g = hexdec($g); $b = hexdec($b);
+
+    return array($r, $g, $b);
+}
+
+/**
+ *
+ * @author anyexample.com
+ * @license http://www.anyexample.com/license/
+ * @link http://www.anyexample.com/programming/php/php_convert_rgb_from_to_html_hex_color.xml
+ * 
+ * @param int $r
+ * @param int $g
+ * @param int $b
+ * @return string 
+ */
+function semr_rgb2hex($r, $g=-1, $b=-1) {
+    if (is_array($r) && sizeof($r) == 3)
+        list($r, $g, $b) = $r;
+
+    $r = intval($r); $g = intval($g);
+    $b = intval($b);
+
+    $r = dechex($r<0?0:($r>255?255:$r));
+    $g = dechex($g<0?0:($g>255?255:$g));
+    $b = dechex($b<0?0:($b>255?255:$b));
+
+    $color = (strlen($r) < 2?'0':'').$r;
+    $color .= (strlen($g) < 2?'0':'').$g;
+    $color .= (strlen($b) < 2?'0':'').$b;
+    return '#'.$color;
+}
 ############################################## Ende SEMMELSTATZ-interne Funktionen
 ?>