/* === S Y N F I G ========================================================= */

/*!	\file waypointrenderer.h

**

**	$Id$

**

**	\legal

**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley

**	......... ... 2019 Rodolfo R. Gomes

**

**	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_STUDIO_WAYPOINTRENDERER_H

#define __SYNFIG_STUDIO_WAYPOINTRENDERER_H

/* === H E A D E R S ======================================================= */

#include <gdkmm rectangle.h=""></gdkmm>

#include <cairomm context.h=""></cairomm>

#include <synfig node.h=""></synfig>

#include "synfigapp/value_desc.h"

#include "gui/timeplotdata.h"

/* === M A C R O S ========================================================= */

/* === 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 WaypointRenderer

{

public:

	static void

	render_time_point_to_window(

		const Cairo::RefPtr<cairo::context> &cr,</cairo::context>

		const Gdk::Rectangle& area,

		const synfig::TimePoint &tp,

		bool selected,

		bool hover);

	//! Callback called at every iteration of \ref foreach_visible_waypoint

	//! \param tp A visible TimePoint

	//! \param t The current time (including effects of layers: offset and zoom)

	//! \param data Custom data passed to \ref foreach_visible_waypoint

	/// \return Callback should return true to stop for-each loop

	typedef bool ForeachCallback(const synfig::TimePoint &tp, const synfig::Time &t, void *data);

	static void foreach_visible_waypoint(

		const synfigapp::ValueDesc &value_desc,

		const studio::TimePlotData &time_plot_data,

		std::function<foreachcallback> foreach_callback,</foreachcallback>

		void* data = nullptr);

	static const synfig::Node::time_set & get_times_from_valuedesc(const synfigapp::ValueDesc &v);

}; // END of class WaypointRenderer

}; // END of namespace studio

/* === E N D =============================================================== */

#endif // WAYPOINTRENDERER_H