From c3619e541564d5133a3ccdaeb79588d37d46a3db Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Thu, 16 Jul 2009 01:16:23 +0000
Subject: Make copy() a const method.

---
 libdimensionxx/dimensionxx/camera.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'libdimensionxx/dimensionxx/camera.hpp')

diff --git a/libdimensionxx/dimensionxx/camera.hpp b/libdimensionxx/dimensionxx/camera.hpp
index fa13a7e..0f61435 100644
--- a/libdimensionxx/dimensionxx/camera.hpp
+++ b/libdimensionxx/dimensionxx/camera.hpp
@@ -36,7 +36,7 @@ namespace Dimension
     virtual Line ray(const Canvas& canvas, unsigned int x, unsigned int y);
 
     // Shallow-copy a derived camera
-    virtual Camera* copy() = 0;
+    virtual Camera* copy() const = 0;
 
     // Access the wrapped C camera.
     dmnsn_camera*       dmnsn();
@@ -46,7 +46,7 @@ namespace Dimension
     // No-op
     Camera();
     // Shallow-copy
-    Camera(Camera& camera);
+    Camera(const Camera& camera);
     // Wrap an existing camera
     explicit Camera(dmnsn_camera* camera);
 
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