--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file asyncrenderer.h
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package 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
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_ASYNCRENDERER_H
+#define __SYNFIG_ASYNCRENDERER_H
+
+/* === H E A D E R S ======================================================= */
+
+#include <ETL/handle>
+#include <sigc++/signal.h>
+#include <sigc++/trackable.h>
+#include <sigc++/connection.h>
+
+#include <synfig/target_scanline.h>
+#include <synfig/target_tile.h>
+#include <synfig/surface.h>
+#include <glibmm/main.h>
+#include <ETL/ref_count>
+#include <glibmm/thread.h>
+#include <glibmm/dispatcher.h>
+
+/* === M A C R O S ========================================================= */
+
+// uncomment to use a single thread, and hopefully get more stability
+// #define SINGLE_THREADED
+#ifdef SINGLE_THREADED
+# define single_threaded() App::single_threaded
+#endif
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace studio {
+
+class AsyncRenderer : public etl::shared_object, public sigc::trackable
+{
+ sigc::signal<void> signal_finished_;
+ sigc::signal<void> signal_success_;
+
+ std::list<sigc::connection> activity_connection_list;
+
+ //etl::handle<synfig::Target_Scanline> target_scanline;
+ //etl::handle<synfig::Target_Tile> target_tile;
+ etl::handle<synfig::Target> target;
+
+ bool error;
+ bool success;
+
+ synfig::ProgressCallback *cb;
+
+ sigc::signal<void> signal_stop_;
+
+ Glib::Thread* render_thread;
+ Glib::Dispatcher signal_done_;
+ Glib::Mutex mutex;
+ sigc::connection done_connection;
+
+ /*
+ -- ** -- P A R E N T M E M B E R S -----------------------------------------
+ */
+public:
+
+ AsyncRenderer(etl::handle<synfig::Target> target,synfig::ProgressCallback *cb=0);
+ virtual ~AsyncRenderer();
+
+ void start();
+ void stop();
+ void pause();
+ void resume();
+#ifdef SINGLE_THREADED
+ void rendering_progress();
+ bool updating;
+#endif
+
+ bool has_error()const { return error; }
+ bool has_success()const { return success; }
+
+ sigc::signal<void>& signal_finished() { return signal_finished_; }
+ sigc::signal<void>& signal_success() { return signal_success_; }
+
+private:
+
+ void render_target();
+ void start_();
+
+ /*
+ -- ** -- C H I L D M E M B E R S -------------------------------------------
+ */
+
+protected:
+
+};
+
+}; // END of namespace studio
+
+/* === E N D =============================================================== */
+
+#endif