Fixed inspect

lib/pixelarray.js

@@ -20,10 +20,10 @@ PixelArray.prototype.inspect = function(){
   var buf = '[PixelArray ';
   for (var i = 0, len = this.length; i < len; i += 4) {
     buf += '\n  ' + i + ': rgba('
+      + this[i + 0] + ','
       + this[i + 1] + ','
       + this[i + 2] + ','
-      + this[i + 3] + ','
-      + this[i] + ')';
+      + this[i + 3] + ')';
   }
   return buf + '\n]';
 };

src/PixelArray.cc

@@ -82,6 +82,7 @@ PixelArray::PixelArray(Canvas *canvas, int src_x, int src_y, int width, int heig
   _width(width), _height(height) {
   _data = (uint8_t *) malloc(length());
   memset(_data, 0, length());
+  _data = cairo_image_surface_get_data(canvas->surface());
 }
 
 PixelArray::PixelArray(int width, int height):