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diff --git a/libdimensionxx/dimensionxx/progress.hpp b/libdimensionxx/dimensionxx/progress.hpp
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+/*************************************************************************
+ * 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/>.                                       *
+ *************************************************************************/
+
+#ifndef DIMENSIONXX_PROGRESS_HPP
+#define DIMENSIONXX_PROGRESS_HPP
+
+#include <tr1/memory> // For tr1::shared_ptr
+
+// dmnsn_canvas* wrapper.
+
+namespace Dimension
+{
+  // dmnsn_progress* wrapper class to represent an asynchronous worker thread
+  class Progress
+  {
+  public:
+    explicit Progress(dmnsn_progress* progress);
+    // Progress(const Progress& progress);
+
+    // Finishes the job without throwing
+    ~Progress();
+
+    double progress() const;
+    void wait(double progress) const;
+
+    void new_element(unsigned int total);
+    void increment();
+    void done();
+
+    // Wait for job to finish, throwing if the job failed
+    void finish();
+
+    // Access the wrapped C object.
+    dmnsn_progress*       dmnsn();
+    const dmnsn_progress* dmnsn() const;
+
+  private:
+    // Copy assignment prohibited
+    Progress& operator=(const Progress&);
+
+    std::tr1::shared_ptr<dmnsn_progress*> m_progress;
+  };
+}
+
+#endif /* DIMENSIONXX_PROGRESS_HPP */