3 files changed, 68 insertions, 1 deletions
diff --git a/libdimensionxx/dimensionxx/cameras.hpp b/libdimensionxx/dimensionxx/cameras.hpp
index 85105cb..4e67d64 100644
--- a/libdimensionxx/dimensionxx/cameras.hpp
+++ b/libdimensionxx/dimensionxx/cameras.hpp
@@ -31,6 +31,9 @@ namespace Dimension
   public:
     Perspective_Camera(const Matrix& trans);
     virtual ~Perspective_Camera();
+
+    Matrix trans();
+    void trans(const Matrix& trans);
   };
 }
 
diff --git a/libdimensionxx/dimensionxx/gl.hpp b/libdimensionxx/dimensionxx/gl.hpp
new file mode 100644
index 0000000..ef875df
--- /dev/null
+++ b/libdimensionxx/dimensionxx/gl.hpp
@@ -0,0 +1,64 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com>               *
+ *                                                                       *
+ * This file is part of The Dimension Library.                           *
+ *                                                                       *
+ * The Dimension Library is free software; you can redistribute it and/  *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Library is distributed in the hope that it will be      *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * Lesser General Public License for more details.                       *
+ *                                                                       *
+ * You should have received a copy of the GNU Lesser General Public      *
+ * License along with this program.  If not, see                         *
+ * <http://www.gnu.org/licenses/>.                                       *
+ *************************************************************************/
+
+// C++ wrapper for libdimension GL support
+
+#ifndef DIMENSIONXX_GL_HPP
+#define DIMENSIONXX_GL_HPP
+
+#include <istream>
+#include <ostream>
+
+namespace Dimension
+{
+  class GL_Drawer
+  {
+  public:
+    GL_Drawer(Canvas& canvas);
+    ~GL_Drawer();
+
+    void draw();
+
+  private:
+    // Copying prohibited
+    GL_Drawer(const GL_Drawer&);
+    GL_Drawer& operator=(const GL_Drawer&);
+
+    Canvas* m_canvas;
+    bool m_drawn;
+  };
+
+  class GL_Reader
+  {
+  public:
+    // GL_Reader();
+    // ~GL_Reader();
+
+    Canvas read(unsigned int x0, unsigned int y0,
+                unsigned int width, unsigned int height);
+
+  private:
+    // Copying prohibited
+    GL_Reader(const GL_Reader&);
+    GL_Reader& operator=(const GL_Reader&);
+  };
+}
+
+#endif /* DIMENSIONXX_GL_HPP */
diff --git a/libdimensionxx/dimensionxx/png.hpp b/libdimensionxx/dimensionxx/png.hpp
index 17cb883..2b99531 100644
--- a/libdimensionxx/dimensionxx/png.hpp
+++ b/libdimensionxx/dimensionxx/png.hpp
@@ -18,7 +18,7 @@
  * <http://www.gnu.org/licenses/>.                                       *
  *************************************************************************/
 
-// C++ wrapper for libdimension PNG support.  PNG_Canvas derives from Canvas.
+// C++ wrapper for libdimension PNG support
 
 #ifndef DIMENSIONXX_PNG_HPP
 #define DIMENSIONXX_PNG_HPP