From be97bdc41601ead493287d67ac80cd5241ddc746 Mon Sep 17 00:00:00 2001
From: Derek Allard <derek.allard@ellislab.com>
Date: Sun, 23 Mar 2008 16:24:37 +0000
Subject: Modified captcha generation to first look for the function
 imagecreatetruecolor, and fallback to imagecreate if it isn't available
 (#4226).

---
 system/plugins/captcha_pi.php | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'system/plugins')

diff --git a/system/plugins/captcha_pi.php b/system/plugins/captcha_pi.php
index 693fd9117..7aa31efb1 100644
--- a/system/plugins/captcha_pi.php
+++ b/system/plugins/captcha_pi.php
@@ -244,7 +244,15 @@ function create_captcha($data = '', $img_path = '', $img_url = '', $font_path =
 	// Create image
 	// -----------------------------------
 			
-	$im = ImageCreate($img_width, $img_height);
+	// PHP.net recommends imagecreatetruecolor(), but it isn't always available
+	if (function_exists(imagecreatetruecolor))
+	{
+		$im = imagecreatetruecolor($img_width, $img_height);
+	}
+	else
+	{
+		$im = imagecreate($img_width, $img_height);
+	}
 			
 	// -----------------------------------
 	//  Assign colors
-- 
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