/* -*- C++ -*-
 * Copyright ©2005 Hugo Mills <hugo@carfax.org.uk>
 *
 * This software is distributed under the terms of the GNU GPL v3
 * For more information on the GPL, see the file COPYING or 
 * visit http://www.gnu.org/
 *
 * This software is distributed without warranty
 */

#ifndef OUTPUT_XROOT_H
#define OUTPUT_XROOT_H

#include "magellan/output.h"
#include "config.h"
#ifdef HAVE_BOOST_THREAD
#include <boost/thread/mutex.hpp>
#endif

extern "C" {
#include <X11/Xlib.h>
}

class Output_XRoot : public Output
{
public:
	Output_XRoot(int update);
	virtual ~Output_XRoot();

	virtual void setpixel(const ivec2& pos, int r, int g, int b);
	virtual void commit();

	virtual void textmetrics(const std::string&,
							 const std::string&,
							 ivec2&, ivec2&, ivec2&) { }
 	virtual void drawtext(const std::string&,
						  const std::string&,
						  Output::RenderFlags) { }

	static Output* parser(
		ConfigLexer*,
		const std::string&,
		const std::string&
		);

	virtual bool repeated(void) const { return update >= 0; }
	virtual int updatetime(void) const { return update; }

private:
	Display* display;
	int screen;
	Window root;
	Colormap colourmap;
	XImage* pixmap;
	GC maingc;
	int depth; // Height, width defined in superclass as xmax, ymax
	int red_shift, red_length;
	int green_shift, green_length;
	int blue_shift, blue_length;
	int update;

#ifdef HAVE_BOOST_THREAD
	boost::mutex lock;
#endif

	int get_minbit(unsigned long x) const;
};

#endif