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

/*!	\file colorcorrect.h

**	\brief Header file for implementation of the "Color Correct" layer

**

**	$Id$

**

**	\legal

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

**	Copyright (c) 2012-2013 Carlos Lรณpez

**

**	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_LAYER_COLORCORRECT_H

#define __SYNFIG_LAYER_COLORCORRECT_H

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

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

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

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

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

/* === 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 synfig {

namespace modules {

namespace mod_filter {

class Layer_ColorCorrect : public Layer

{

	SYNFIG_LAYER_MODULE_EXT

private:

	//! Parameter: (Angle)

	ValueBase param_hue_adjust;

	//! Parameter: (Real)

	ValueBase param_brightness;

	//! Parameter: (Real)

	ValueBase param_contrast;

	//! Parameter: (Real)

	ValueBase param_exposure;

	//! Parameter: (Real)

	ValueBase param_gamma;

	// This gamma member is kept to avoid need to recalculate the gamma table

	// on each pixel

	Gamma gamma;

	Color correct_color(const Color &in)const;

public:

	Layer_ColorCorrect();

	virtual bool set_param(const String & param, const synfig::ValueBase &value);

	virtual ValueBase get_param(const String & param)const;

	virtual Color get_color(Context context, const Point &pos)const;

	virtual Rect get_full_bounding_rect(Context context)const;

	virtual Vocab get_param_vocab()const;

	virtual rendering::Task::Handle build_rendering_task_vfunc(Context context)const;

}; // END of class Layer_ColorCorrect

}; // END of namespace mod_filter

}; // END of namespace modules

}; // END of namespace synfig

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

#endif