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//
// Lynkeos
// $Id$
//
// Created by Jean-Etienne LAMIAUD on Wed Apr 27 2005.
// Copyright (c) 2005-2020. Jean-Etienne LAMIAUD
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
/*!
* @header
* @abstract Reader for image formats supported by DCRAW
*/
#ifndef __DCRAWREADER_H
#define __DCRAWREADER_H
#include <stdio.h>
#include "LynkeosFileReader.h"
/**
* \page libraries Libraries needed to compile Lynkeos
* The Dcraw plugin needs a dcraw compiled executable to be put in the build
* folder.
* It can be found at http://www.cybercom.net/~dcoffin/dcraw/
*/
/*!
* @class DcrawReader
* @abstract Class for reading digital cameras raw image file formats.
* @discussion This reader uses an external program, dcraw for converting the
* raw file into a temporary PPM file, and retrieve the data from this PPM
* file.
*
* The conversion is started in the background when the reader is created.
* When the reader gets called, it waits for conversion end if needed, before
* accessing the PPM file data.
* @ingroup FileAccess
*/
@interface DcrawReader : NSObject <LynkeosCustomImageFileReader>
{
@private
NSURL *_url; //!< The RAW file to read
NSTask *_dcrawTask; //!< The converter task
NSString *_ppmFilePath; //!< Converted PPM file path
u_short _numberOfPlanes; //!< Cached number of planes
u_short _width; //!< Cached width
u_short _height; //!< Cached height
NSMutableDictionary *_metadata; //!< Meta data dictionary
u_short _baseWidth; //!< Width of image before any rotation
u_short _baseHeight; //!< Width of image before any rotation
u_long _ppmDataOffset; //!< Offset of image data in PPM file
u_short _dataMax; //!< Maximum pixel value
ListMode_t _mode; //!< Image mode for this instance
LynkeosImageBuffer* _dark; //!< The dark frame (weak ref)
NSTimer *_conversionTimer; //!< Used to delay the start of conversion
}
@end
#endif
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