From 08fbafb85b54adbbdfb12b06155e6d330fec9bb7 Mon Sep 17 00:00:00 2001
From: Javier <dev.git@javispedro.com>
Date: Mon, 15 Jun 2015 15:41:05 +0200
Subject: fix missing sign extension

---
 stfreader.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'stfreader.cc')

diff --git a/stfreader.cc b/stfreader.cc
index 7d78635..09967cc 100644
--- a/stfreader.cc
+++ b/stfreader.cc
@@ -130,8 +130,8 @@ bool StfReader::parseV1(BitReader& br)
 					pa = p1 - p0;
 				} else {
 					do_delta = true;
-					delta.setX(br.readBits(8));
-					delta.setY(br.readBits(8));
+					delta.setX(br.readSignedBits(8));
+					delta.setY(br.readSignedBits(8));
 				}
 			} else {
 				do_delta = true;
-- 
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