/*
 * libopenraw - thumbnail.cpp
 *
 * Copyright (C) 2005-2006 Hubert Figuiere
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <cstdlib>
#include <cstring>
#include <iostream>

#include "debug.h"

#include <libopenraw/libopenraw.h>
#include <libopenraw++/rawfile.h>
#include <libopenraw++/thumbnail.h>

using namespace Debug;

namespace OpenRaw {

	/** Private data for the thumbnail class */
	class Thumbnail::Private {
	public:
		/** raw data */
		void *data;
		/** size in bytes of raw data */
		size_t data_size;
		/** type of thumbnail data */
		DataType data_type;
		/** x dimension in pixels of thumbnail data */
		uint32_t x;
		/** y dimension in pixels of thumbnail data */
		uint32_t y;
		
		Private()
			: data(NULL),
				data_size(0),
				data_type(OR_DATA_TYPE_NONE),
				x(0), y(0)
			{
			}
		
		~Private()
			{
				if (NULL != data) {
					free(data);
				}
			}
	private:
		Private(const Private &);
		Private & operator=(const Private &);
	};

	Thumbnail::Thumbnail()
		: d(new Thumbnail::Private())
	{
	}

	Thumbnail::~Thumbnail()
	{
		delete d;
	}

	Thumbnail *
	Thumbnail::getAndExtractThumbnail(const char* _filename,
																		uint32_t preferred_size, 
																		or_error & err)
	{
		err = OR_ERROR_NONE;
		Thumbnail *thumb = NULL;

		RawFile *file = RawFile::newRawFile(_filename);
		if (file) {
			thumb = new Thumbnail();
			err = file->getThumbnail(preferred_size, *thumb);
			delete file;
		}
		else {
			err = OR_ERROR_CANT_OPEN; // file error
		}
		return thumb;
	}

	Thumbnail::DataType Thumbnail::dataType() const
	{
		return d->data_type;
	}

	void Thumbnail::setDataType(Thumbnail::DataType _type)
	{
		d->data_type = _type;
	}

 	void * Thumbnail::allocData(const size_t s)
	{
		Trace(DEBUG1) << "allocate s=" << s << " data =" 
							<< d->data << "\n";
		d->data = malloc(s);
		Trace(DEBUG1) << " data =" << d->data << "\n";
		d->data_size = s;
		return d->data;
	}

	size_t Thumbnail::size() const
	{
		return d->data_size;
	}

	void * Thumbnail::data() const
	{
		return d->data;
	}

	uint32_t Thumbnail::x()
	{
		return d->x;
	}

	uint32_t Thumbnail::y()
	{
		return d->y;
	}

	void Thumbnail::setDimensions(uint32_t x, uint32_t y)
	{
		d->x = x;
		d->y = y;
	}

}