Older-SDKs--pre-3-2--seem-to-flip-the-shadow-y-offset--but-3-2-doesn-t-.patch

From 10d435690793854734c1e343491d3525ecb86745 Mon Sep 17 00:00:00 2001
From: Jeff Verkoeyen <jverkoey@gmail.com>
Date: Sat, 13 Feb 2010 18:14:08 -0500
Subject: [PATCH] Older SDKs (pre 3.2) seem to flip the shadow y offset, but 3.2 doesn't.

This fixes the TTStyle for shadows on 3.2.
---
 src/TTStyle.m |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/src/TTStyle.m b/src/TTStyle.m
index 5be3bd0..3c20acf 100644
--- a/src/TTStyle.m
+++ b/src/TTStyle.m
@@ -1190,8 +1190,16 @@ static const NSInteger kDefaultLightSource = 125;
   CGContextRef ctx = UIGraphicsGetCurrentContext();
   CGContextSaveGState(ctx);
   
+  CGSize shadowOffset;
+#ifdef __IPHONE_3_2
+  shadowOffset = CGSizeMake(_offset.width, _offset.height);
+#else
+  // On older SDKs it seems that the shadow vertical offset is upside down. Strange.
+  shadowOffset = CGSizeMake(_offset.width, -_offset.height);
+#endif
+
   [context.shape addToPath:context.frame];
-  CGContextSetShadowWithColor(ctx, CGSizeMake(_offset.width, -_offset.height), _blur,
+  CGContextSetShadowWithColor(ctx, shadowOffset, _blur,
                               _color.CGColor);
   CGContextBeginTransparencyLayer(ctx, nil);
   [self.next draw:context];
-- 
1.6.6+GitX