From c3966e5501b24fbf75a3b7cfe331bf68262771c5 Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sat, 11 Feb 2006 21:15:59 +0000
Subject: [PATCH] Use scaling factors instead of explicit height and widths

---
 graph_pie.php | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/graph_pie.php b/graph_pie.php
index d92338f..db1e13f 100644
--- a/graph_pie.php
+++ b/graph_pie.php
@@ -91,7 +91,7 @@ class Graph_Pie
 	{
 		$this->registry =& $registry;
 		
-		$this->image = imagecreate($this->dimensions['width'], $this->dimensions['height']);
+		$this->set_scale(0);
 	}
 	
 	// ###################################################################
@@ -187,18 +187,31 @@ class Graph_Pie
 	
 	// ###################################################################
 	/**
-	* Sets the width and height of an image
+	* Sets the width and height by using scale factors of 550x350; you
+	* can specify a positive value to multiply by that many times or a
+	* negative one to divide
 	*
 	* @access	public
 	*
-	* @param	integer	Width (pixels)
-	* @param	integer	Height (pixels)
+	* @param	float	Scale factor
 	*/
-	function set_dimensions($width, $height)
+	function set_scale($scale)
 	{
-		$this->dimensions['width'] = intval($width);
-		$this->dimensions['height'] = intval($height);
+		$this->dimensions['width'] = 550;
+		$this->dimensions['height'] = 350;
 		
+		if ($scale > 0)
+		{
+			$this->dimensions['width'] *= $scale;
+			$this->dimensions['height'] *= $scale;
+		}
+		else if ($scale < 0)
+		{
+			$scale = abs($scale);
+			$this->dimensions['width'] /= $scale;
+			$this->dimensions['height'] /= $scale;
+		}
+
 		$this->image = imagecreate($this->dimensions['width'], $this->dimensions['height']);
 	}
 	
-- 
2.22.5