added support for colors

heavyco · Mar 17, 2013 · 489c231 · 489c231
1 parent bf33d03
commit 489c231
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/lib/encoder.js b/lib/encoder.js
@@ -10,6 +10,8 @@ var Encoder = exports.Encoder = function(){
 util.inherits(Encoder, events.EventEmitter);
 
 Encoder.prototype.default_options = {
+    foreground_color: '#000000',
+    background_color: '#FFFFFF',
     dot_size: 3, // default 3x3px per dot
     margin: 4, // default 4 dots for the margin
     level: 'L', // valid args (lowest to highest): L, M, Q, H
@@ -49,12 +51,18 @@ Encoder.prototype.encode = function(value, path, options)
                 : options[key];
         }
 
+        // remove # symbol from color codes because qrencoder does not like it
+        cmd_options.foreground_color.replace('#', '');
+        cmd_options.background_color.replace('#', '');
+
         // start with base set of args that we'll always pass
         qrencode_args = [
             '-s', cmd_options.dot_size, 
             '-m', cmd_options.margin,
             '-l', cmd_options.level,
-            '-v', cmd_options.version
+            '-v', cmd_options.version,
+            '--foreground=' + cmd_options.foreground_color,
+            '--background=' + cmd_options.background_color
         ];
 
         // if case-sensitivity is disabled, add flag
@@ -107,4 +115,4 @@ Encoder.prototype.encode = function(value, path, options)
     } catch(err) {
         this.emit('error', err);
     }
-}
+}