canvas::Text: add heightForWidth method.

[simgear.git] / simgear / canvas / CanvasSystemAdapter.hxx

diff --git a/simgear/canvas/CanvasSystemAdapter.hxx b/simgear/canvas/CanvasSystemAdapter.hxx
index a5c184872a867d2be9edcb081ff8d9fbb9fd770b..2492bb91c5b82a01f5653ffb318134d56821cb6a 100644 (file)
--- a/simgear/canvas/CanvasSystemAdapter.hxx
+++ b/simgear/canvas/CanvasSystemAdapter.hxx
@@ -21,6 +21,8 @@
 
 #include "canvas_fwd.hxx"
 
+class SGSubsystem;
+
 namespace simgear
 {
 namespace HTTP { class Client; }
@@ -36,6 +38,7 @@ namespace canvas
       virtual void addCamera(osg::Camera* camera) const = 0;
       virtual void removeCamera(osg::Camera* camera) const = 0;
       virtual osg::Image* getImage(const std::string& path) const = 0;
+      virtual SGSubsystem* getSubsystem(const std::string& name) const = 0;
       virtual HTTP::Client* getHTTPClient() const = 0;
   };