//
// PixmapHandler.hh for pekwm
// Copyright (C)  2003-2004 Claes Nasten <pekdon{@}pekdon{.}net>
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//

#include "../config.h"

#ifndef _PIXMAP_HANDLER_HH_
#define _PIXMAP_HANDLER_HH_

#include "pekwm.hh"

#include <list>

class PixmapHandler {
public:
	class Entry {
	public:
		Entry(uint width, uint height, uint depth, Pixmap pixmap);
		~Entry(void);

		inline Pixmap getPixmap(void) { return _pixmap; }

		inline bool isMatch(uint width, uint height, uint depth, uint thresh) {
			if ((depth == _depth) &&
					(_width >= width) && (_width <= (width + thresh)) &&
					(_height >= height) && (_height <= (height + thresh))) {
				return true;
			}
			return false;
		}

	private:
		uint _width, _height, _depth;
		Pixmap _pixmap;
	};

	PixmapHandler(uint cache_size, uint threshold);
	~PixmapHandler(void);

	Pixmap getPixmap(uint width, uint height, uint depth, bool exact);
	void returnPixmap(Pixmap pixmap);

	void setCacheSize(uint cache);
	void setThreshold(uint threshold);

 private:
	uint _cache_size, _size_threshold;

	std::list<PixmapHandler::Entry*> _free_list, _used_list;
};

#endif // _PIXMAP_HANDLER_HH_