#ifndef _Color_h
#define _Color_h

/*
 *	subtitleeditor -- a tool to create or edit subtitle
 *
 *	https://kitone.github.io/subtitleeditor/
 *	https://github.com/kitone/subtitleeditor/
 *
 *	Copyright @ 2005-2009, kitone
 *
 *	This program 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 3 of the License, or
 *	(at your option) any later version.
 *
 *	This program 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.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 

#include <gtkmm.h>



/*
 *	clamp [0, 255] for color
 */
class Color
{
public:
	Color();
	Color(unsigned int r, unsigned int g, unsigned int b, unsigned int a);
	Color(const Glib::ustring &color);
	/*
	 *
	 */
	void set(unsigned int r, unsigned int g, unsigned int b, unsigned a=255);

	/*
	 *
	 */
	unsigned int getR() const;
	unsigned int getG() const;
	unsigned int getB() const;
	unsigned int getA() const;


	/*
	 *
	 */
	template<class T>
	bool set_value(T rgba[4], unsigned int scale);

	template<class T>
	bool get_value(T rgba[4], unsigned int scale);
	

	/*
	 *	init button avec les info de color
	 */
	void initColorButton(Gtk::ColorButton &button);

	/*
	 *	init color a partir de button
	 */
	void getFromColorButton(const Gtk::ColorButton &button);


	/*
	 *
	 */
	Glib::ustring to_string() const;

	/*
	 *
	 */
	bool from_string(const Glib::ustring &str);

protected:
	//unsigned int rgba;
	unsigned int m_rgba[4];
};


/*
 *
 */
template<class T>
bool Color::set_value(T rgba[4], unsigned int scale)
{
	m_rgba[0] = (unsigned int)(((float)rgba[0] / scale) * 255);
	m_rgba[1] = (unsigned int)(((float)rgba[1] / scale) * 255);
	m_rgba[2] = (unsigned int)(((float)rgba[2] / scale) * 255);
	m_rgba[3] = (unsigned int)(((float)rgba[3] / scale) * 255);
	
	return true;
}

/*
 *
 */
template<class T>
bool Color::get_value(T rgba[4], unsigned int scale)
{
	unsigned int r = getR();
	unsigned int g = getG();
	unsigned int b = getB();
	unsigned int a = getA();

	rgba[0] = (((float)r / 255) * scale);
	rgba[1] = (((float)g / 255) * scale);
	rgba[2] = (((float)b / 255) * scale);
	rgba[3] = (((float)a / 255) * scale);
	return true;
}

#endif//_Color_h
