New features:

* Google Charts now have stacked bars (vertical and horizontal)

google_charts/google_charts.inc

@@ -11,6 +11,8 @@ function _google_charts($type) {
     'line2D'  => array('typecode' => 'lc', 'attributes_per_value' => FALSE),
     'hbar2D'  => array('typecode' => 'bhg', 'attributes_per_value' => FALSE),
     'vbar2D'  => array('typecode' => 'bvg', 'attributes_per_value' => FALSE),
+    'hbar2Ds' => array('typecode' => 'bhs', 'attributes_per_value' => FALSE),
+    'vbar2Ds' => array('typecode' => 'bvs', 'attributes_per_value' => FALSE),
     'pie2D'   => array('typecode' => 'p', 'attributes_per_value' => TRUE),
     'pie3D'   => array('typecode' => 'p3', 'attributes_per_value' => TRUE),
     'venn'    => array('typecode' => 'v', 'attributes_per_value' => FALSE),
@@ -224,7 +226,7 @@ function _google_charts_series(&$chart, &$data) {
 
   // Return the series of data
   if (empty($chart_data)) {
-    return t('No enough data to create a chart.');
+    return t('No enough data to create a chabvgrt.');
   }
 
    // Insert data

google_charts/google_charts.module

@@ -21,7 +21,7 @@ function google_charts_charts_info() {
       'file'    => drupal_get_path('module', 'google_charts') .'/google_charts.inc',
       'name'    => t('Google Chart'),
       'render'  => '_google_charts_render',
-      'types'   => array('line2D', 'hbar2D', 'vbar2D', 'pie2D', 'pie3D', 'venn', 'scatter'),
+      'types'   => array('line2D', 'hbar2D', 'vbar2D', 'hbar2Ds', 'vbar2Ds', 'pie2D', 'pie3D', 'venn', 'scatter'),
     ),
   );
 }
@@ -33,5 +33,7 @@ function google_charts_chart_types() {
   return array(
     'venn'    => t('Venn'),
     'scatter' => t('Scatter Plot'),
+    'hbar2Ds' => t('Horizontal Bar Stacked 2D'),
+    'vbar2Ds' => t('Vertical Bar Stacked 2D'),
   );
 }