From 48a7a863ae07a23d8c934ac3a526fced2f45a243 Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Mon, 15 Apr 2013 17:59:38 +0200
Subject: [PATCH] Inverted Y display axis while using Cairo-based rendering
 backend.

---
 common/gal/cairo/cairo_gal.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/gal/cairo/cairo_gal.cpp b/common/gal/cairo/cairo_gal.cpp
index 3b7d7e8fa8..abd215f1a9 100644
--- a/common/gal/cairo/cairo_gal.cpp
+++ b/common/gal/cairo/cairo_gal.cpp
@@ -786,11 +786,11 @@ void CAIRO_GAL::ComputeWorldScreenMatrix()
 
     MATRIX3x3D translation;
     translation.SetIdentity();
-    translation.SetTranslation( 0.5 * VECTOR2D( screenSize.x, screenSize.y ) );
+    translation.SetTranslation( 0.5 * screenSize );
 
     MATRIX3x3D scale;
     scale.SetIdentity();
-    scale.SetScale( VECTOR2D( worldScale, -worldScale ) );
+    scale.SetScale( VECTOR2D( worldScale, worldScale ) );
 
     MATRIX3x3D lookat;
     lookat.SetIdentity();