/*=========================================================================
 This file is part of the Horos Project (www.horosproject.org)
 
 Horos 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, Êversion 3 of the License.
 
 The Horos Project was based originally upon the OsiriX Project which at the time of
 the code fork was licensed as a LGPL project.  However, not all of the the source-code
 was properly documented and file headers were not all updated with the appropriate
 license terms. The Horos Project, originally was licensed under the  GNU GPL license.
 However, contributors to the software since that time have agreed to modify the license
 to the GNU LGPL in order to be conform to the changes previously made to the
 OsiriX Project.
 
 Horos is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE OR USE. ÊSee the
 GNU Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with Horos. ÊIf not, see http://www.gnu.org/licenses/lgpl.html
 
 Prior versions of this file were published by the OsiriX team pursuant to
 the below notice and licensing protocol.
 ============================================================================
 Program: Ê OsiriX
 ÊCopyright (c) OsiriX Team
 ÊAll rights reserved.
 ÊDistributed under GNU - LGPL
 Ê
 ÊSee http://www.osirix-viewer.com/copyright.html for details.
 Ê Ê This software is distributed WITHOUT ANY WARRANTY; without even
 Ê Ê the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 Ê Ê PURPOSE.
 ============================================================================*/


#ifndef FVTIFF_H
#define FVTIFF_H

#import <Foundation/Foundation.h>
#import "options.h"

#define uint64 tiff_uint64
#import <vtk_tiff.h>

#define TIFFTAG_FV_MMHEADER		34361
#define TIFFTAG_FV_MMSTAMP		34362
#define TIFFTAG_FV_USERBLOCK	34386

#define FV_IMAGE_NAME_LENGTH   	256
#define FV_SPATIAL_DIMENSION   	10
#define FV_DIMNAME_LENGTH		16
#define FV_UNITS_LENGTH			64

extern void FVTIFFInitialize(void);

typedef unsigned int	FV_MM_HANDLE;						// Size (bytes): 	   4

typedef struct
{
	char			Name[FV_DIMNAME_LENGTH];	//Dimension name e.g. Width		  16
	unsigned int	Size;						//Image width etc				   4
	double			Origin;						//Origin						   8
	double			Resolution;					//Image resolution			  	   8
	char			Units[FV_UNITS_LENGTH];		//Image calibration units		  64

}	FV_MM_DIM_INFO;									// Total Size (bytes):		 100  


static const TIFFFieldInfo FVTiffFieldInfo[] = {
    { TIFFTAG_FV_MMHEADER,	TIFF_VARIABLE, TIFF_VARIABLE, TIFF_BYTE, FIELD_CUSTOM, 1, 1, (char *)"FV_MMHEADER"},
    { TIFFTAG_FV_MMSTAMP,	TIFF_VARIABLE, TIFF_VARIABLE, TIFF_BYTE, FIELD_CUSTOM, 1, 1, (char *)"FV_MMSTAMP"},
    { TIFFTAG_FV_USERBLOCK,	TIFF_VARIABLE, TIFF_VARIABLE, TIFF_BYTE, FIELD_CUSTOM, 1, 1, (char *)"FV_USERBLOCK"},
};

typedef struct // this is from the FV docs, but I think the docs are not quite right on - Joel
{
	short			HeaderFlag;						//Size of header structure				2
	unsigned char	Status;							//image status							1
	unsigned char	ImageType;						//Image Type							1
	char			Name[FV_IMAGE_NAME_LENGTH];		//Image name							256
	FV_MM_HANDLE	Data;							//Handle to the data field				4
	unsigned int	NumberOfColors;					//Number of colors in palette			4
	FV_MM_HANDLE  	MM_256_Colors;					//handle to the palette field			4
	FV_MM_HANDLE  	MM_All_Colors;					//handle to the palette field			4
	unsigned int	CommentSize;					//Size of comments field				4
	FV_MM_HANDLE	Comment;						//handle to the comment field			4
	FV_MM_DIM_INFO	DimInfo[FV_SPATIAL_DIMENSION];		//Dimension Info						1000
	FV_MM_HANDLE	SpatialPosition;				//obsolete???????????					4
	short			MapType;	   					//Display mapping type					2
	short			reserved;						//Display mapping type					2
	double			MapMin;							//Display mapping minimum				8
	double  		MapMax;							//Display mapping maximum				8
	double			MinValue;						//Image histogram minimum				8
	double			MaxValue;						//Image histogram maximum				8
	FV_MM_HANDLE	Map;							//Handle to gray level mapping array	4
	double			Gamma;							//Image gray level correction factor	8
	double			Offset;							//Image gray level correction offset	8
	FV_MM_DIM_INFO	Gray;							//										100
	FV_MM_HANDLE	ThumbNail;						//handle to the ThumbNail field			4
	unsigned int	UserFieldSize;					//Size of Voice field					4
	FV_MM_HANDLE	UserFieldHandle;				//handle to the Voice field				4

}	FV_MM_HEAD;										// Total Size (bytes):					1456

#ifdef __cplusplus
extern "C" {
#endif

int FV_Read_MM_HEAD(const char* data, FV_MM_HEAD* head);
int FV_Read_DIM_INFO(const char* data, FV_MM_DIM_INFO* info);
NSXMLDocument* XML_from_FVTiff(NSString* srcFile);
void FV_EMPTY_TIFFWarning(const char *module, const char *fmt, ...);

#ifdef __cplusplus
}
#endif

#endif