- Make renderToOutput() method available to chart

1 files changed, 10 insertions, 0 deletions

diff --git a/src/interfaces/chart.php b/src/interfaces/chart.php
index d33c086..c08dad1 100644
--- a/src/interfaces/chart.php
+++ b/src/interfaces/chart.php
@@ -257,6 +257,16 @@ abstract class ezcGraphChart
      * @return void
      */
     abstract public function render( $widht, $height, $file = null );
+
+    /**
+     * Renders this chart to direct output
+     * 
+     * Does the same as ezcGraphChart::render(), but renders directly to 
+     * output and not into a file.
+     * 
+     * @return void
+     */
+    abstract public function renderToOutput( $widht, $height );
 }
 
 ?>