1 files changed, 27 insertions, 1 deletions
diff --git a/src/options/gd_driver.php b/src/options/gd_driver.php
index 2a3f10a..a9e258c 100644
--- a/src/options/gd_driver.php
+++ b/src/options/gd_driver.php
@@ -8,7 +8,33 @@
  * @license http://ez.no/licenses/new_bsd New BSD License
  */
 /**
- * Class containing the basic options for charts
+ * Class containing the extended driver options for the gd driver.
+ *
+ * <code>
+ *   $graph = new ezcGraphPieChart();
+ *   $graph->palette = new ezcGraphPaletteEzGreen();
+ *   $graph->title = 'Access statistics';
+ *   $graph->legend = false;
+ *   
+ *   $graph->driver = new ezcGraphGdDriver();
+ *   $graph->options->font = 'tutorial_font.ttf';
+ *   
+ *   // Generate a Jpeg with lower quality. The default settings result in a better
+ *   // quality image
+ *   $graph->driver->options->supersampling = 1;
+ *   $graph->driver->options->jpegQuality = 100;
+ *   $graph->driver->options->imageFormat = IMG_JPEG;
+ *   
+ *   $graph->data['Access statistics'] = new ezcGraphArrayDataSet( array(
+ *       'Mozilla' => 19113,
+ *       'Explorer' => 10917,
+ *       'Opera' => 1464,
+ *       'Safari' => 652,
+ *       'Konqueror' => 474,
+ *   ) );
+ *   
+ *   $graph->render( 400, 200, 'tutorial_dirver_gd.jpg' );
+ * </code>
  *
  * @property int $imageFormat
  *           Type of generated image.