From 3adcd88f3a6583387691da2fe0672d2221873a31 Mon Sep 17 00:00:00 2001
From: kramm <kramm>
Date: Sat, 25 Jun 2005 13:42:09 +0000
Subject: [PATCH] fixed a wraparound bug for negative bitmap coordinates.

---
 lib/modules/swfrender.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/modules/swfrender.c b/lib/modules/swfrender.c
index 2a5d426..11b0c50 100644
--- a/lib/modules/swfrender.c
+++ b/lib/modules/swfrender.c
@@ -565,7 +565,7 @@ static void fill_bitmap(RGBA*line, int*z, int y, int x1, int x2, MATRIX*m, bitma
 	return;
     }
     det = 20.0/det;
-    
+
     if(!b->width || !b->height) {
         fill_solid(line, z, y, x1, x2, color_red, depth);
         return;
@@ -586,6 +586,8 @@ static void fill_bitmap(RGBA*line, int*z, int y, int x1, int x2, MATRIX*m, bitma
 	    } else {
 		xx %= b->width;
 		yy %= b->height;
+		if(xx<0) xx += b->width;
+		if(yy<0) yy += b->height;
 	    }
 
 	    col = b->data[yy*b->width+xx];
-- 
1.7.10.4