From be9ed90897bc43b4547a3a1f8046827caaf13b4c Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Sun, 19 May 2013 16:15:36 +0100
Subject: [PATCH 09/15] Add a static identity transformation

---
 include/agg_trans_affine.h | 1 +
 src/agg_trans_affine.cpp   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/agg_trans_affine.h b/include/agg_trans_affine.h
index 2f602a0..67fe5ca 100644
--- a/include/agg_trans_affine.h
+++ b/include/agg_trans_affine.h
@@ -92,6 +92,7 @@ namespace agg
     //----------------------------------------------------------------------
     struct trans_affine
     {
+        static const trans_affine identity;
         double sx, shy, shx, sy, tx, ty;
 
         //------------------------------------------ Construction
diff --git a/src/agg_trans_affine.cpp b/src/agg_trans_affine.cpp
index aca18c2..b3d9bc0 100644
--- a/src/agg_trans_affine.cpp
+++ b/src/agg_trans_affine.cpp
@@ -28,6 +28,7 @@
 
 namespace agg
 {
+    const trans_affine trans_affine::identity;
 
     //------------------------------------------------------------------------
     const trans_affine& trans_affine::parl_to_parl(const double* src, 
-- 
1.8.1.4