From 8fd3241474b5f1a6dd043d8b1f5e3718034292b8 Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sat, 17 Feb 2007 18:32:06 +0000
Subject: [PATCH] Moved the output buffering stuff from the graph() function to
 _imageFlush() so that other graphing systems can use it

---
 Graph.php    | 20 ++++++++++++++++++++
 GraphPie.php | 12 +-----------
 2 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/Graph.php b/Graph.php
index fcc6357..c67ecdb 100644
--- a/Graph.php
+++ b/Graph.php
@@ -240,6 +240,26 @@ abstract class BSGraph
 		$colors['grey'] = imagecolorallocate($this->image, 121, 121, 123);
 		return $colors;
 	}
+	
+	// ###################################################################
+	/**
+	* Runs the imagepng() function and returns the bytestream
+	*
+	* @return	string	Byte stream
+	*/
+	protected function _imageFlush()
+	{
+		ob_start();
+		imagepng($this->image);
+		$data = ob_get_contents();
+		if ($data === false)
+		{
+			$data = ob_get_clean();
+		}
+		ob_clean();
+		ob_end_clean();
+		return $data;
+	}
 }
 
 /*=====================================================================*
diff --git a/GraphPie.php b/GraphPie.php
index ac5c574..b91293d 100644
--- a/GraphPie.php
+++ b/GraphPie.php
@@ -109,17 +109,7 @@ class BSGraphPie extends BSGraph
 			imageline($this->image, $this->dimensions['width'] - self::PADDING, $graphstart, $this->dimensions['width'] - self::PADDING, $legy, $colors['black']); // right
 		}
 		
-		ob_start();
-		imagepng($this->image);
-		$data = ob_get_contents();
-		if ($data === false)
-		{
-			$data = ob_get_clean();
-		}
-		ob_clean();
-		ob_end_clean();
-		
-		return $data;
+		return $this->_imageFlush();
 	}
 	
 	// ###################################################################
-- 
2.22.5