/*
   Copyright (C) 2018, Unvanquished Developers
   All Rights Reserved.

   This file is part of NetRadiant.

   NetRadiant 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.

   NetRadiant 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 NetRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */


#include "crn.h"

#include "iarchive.h"
#include "idatastream.h"
#include "stream/textstream.h"

#include "crnlib/crnlib.h"
#include "imagelib.h"

Image* LoadCRNBuff( const byte *buffer, int length ){
	int width, height;
	if ( !GetCRNImageSize( buffer, length, &width, &height ) ) {
		globalErrorStream() << "Error getting crn image dimensions.\n";
		return nullptr;
	}

	auto *image = new RGBAImage( width, height );

	if ( !ConvertCRNtoRGBA( buffer, length, width * height, image->getRGBAPixels() ) ) {
		globalErrorStream() << "Error decoding crn image.\n";
		image->release();
		return nullptr;
	}
	return image;
}

Image* LoadCRN( ArchiveFile& file ){
	ScopedArchiveBuffer buffer( file );
	return LoadCRNBuff( buffer.buffer, buffer.length );
}