New features:

* To minimize the module footprint, all google chart non-hook function are now placed on google_charts.inc

google_charts/google_charts.inc

+<?php
+// $Id$
+/**
+ * @author Bruno Massa http://drupal.org/user/67164
+ * @file google_charts.inc
+ * Use Google Charts on your site.
+ */
+
+/**
+ * Encode the Chart data into a Alphanumeric code, follwing the
+ * Google Chart API instruction. Its needed because there is a
+ * size limmit to URL strings. So we reduce the amount of characters.
+ *
+ * It basicly uses a scale of 61 levels to represent each chart
+ * value. If a more precise scale is needed, see
+ * _google_charts_codingextended(), which produces a 4000 levels,
+ * but also a bigger URL string.
+ *
+ * @param $values
+ *   Array. A series of numeric data values
+ * @param $max
+ *   Number. The biggest number to be the reference point
+ */
+function _google_charts_codingsimple($values, $max) {
+  // Set the list of characters and the size of the list
+  $simple_encoding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+  $strlen = strlen($simple_encoding) - 1;
+
+  // The final output is going to be build
+  $chart_data = 's:';
+
+  // For each chart value, encode it
+  // Note: Underscore represents a missing value
+  foreach ($values as $current_value) {
+    if ($current_value >= 0) {
+      $chart_data .= $simple_encoding[(round($strlen * $current_value / $max))];
+    }
+    else {
+      $chart_data .= '_';
+    }
+  }
+
+  return $chart_data;
+}
+
+function _google_charts_codingextended() {
+}

google_charts/google_charts.module

@@ -42,6 +42,9 @@ function google_charts_chartsinfo($op) {
  *   Array. The
  */
 function google_charts_chartsapi(&$data) {
+  // Include the specific Google Chart API helper functions
+  include_once drupal_get_path('module', 'google_charts') .'/google_charts.inc';
+
   // Convert the chat TYPE into the Google Chart way.
   // Since its a requirement to build the chart on Google, if the value
   // was not found, return nothing and stop the execution.
@@ -81,43 +84,3 @@ function google_charts_chartsapi(&$data) {
   // If its all ok, build the HTML img tag
   return '<img src="http://chart.apis.google.com/chart?'. implode('&amp;', $chart) .'" />';
 }
-
-/**
- * Encode the Chart data into a Alphanumeric code, follwing the
- * Google Chart API instruction. Its needed because there is a
- * size limmit to URL strings. So we reduce the amount of characters.
- *
- * It basicly uses a scale of 61 levels to represent each chart
- * value. If a more precise scale is needed, see
- * _google_charts_codingextended(), which produces a 4000 levels,
- * but also a bigger URL string.
- *
- * @param $values
- *   Array. A series of numeric data values
- * @param $max
- *   Number. The biggest number to be the reference point
- */
-function _google_charts_codingsimple($values, $max) {
-  // Set the list of characters and the size of the list
-  $simple_encoding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
-  $strlen = strlen($simple_encoding) - 1;
-
-  // The final output is going to be build
-  $chart_data = 's:';
-
-  // For each chart value, encode it
-  // Note: Underscore represents a missing value
-  foreach ($values as $current_value) {
-    if ($current_value >= 0) {
-      $chart_data .= $simple_encoding[(round($strlen * $current_value / $max))];
-    }
-    else {
-      $chart_data .= '_';
-    }
-  }
-
-  return $chart_data;
-}
-
-function _google_charts_codingextended() {
-}