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/***************************************************************************
exif.h - description
-------------------
begin : Dec 1999
copyright : (C) 1999 by Matthias Wandel, 2000 by Richard Groult
email : mwandel@sentex.net rgroult@jalix.org
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
* For license exceptions see LICENSE.EXC file, attached with the source *
* code. *
* *
***************************************************************************/
#ifndef __EXIF_H__
#define __EXIF_H__
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define MAX_COMMENT 1000
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <ctype.h>
#include <sys/stat.h>
#include <utime.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <qstring.h>
#ifndef _MAX_PATH
# define _MAX_PATH 300
#endif
//--------------------------------------------------------------------------
// This structure stores Exif header image elements in a simple manner
// Used to store camera data as extracted from the various ways that it can be
// stored in an exif header
typedef struct {
char FileName [_MAX_PATH+1];
time_t FileDateTime;
unsigned FileSize;
char CameraMake [32];
char CameraModel [40];
char DateTime [20];
int Height, Width;
int IsColor;
int Process;
int FlashUsed;
float FocalLength;
float ExposureTime;
float ApertureFNumber;
float Distance;
float CCDWidth;
float ExposureBias;
int Whitebalance;
int MeteringMode;
int ExposureProgram;
int ISOequivalent;
int CompressionLevel;
char Comments[MAX_COMMENT];
unsigned char * ThumbnailPointer; // Pointer at the thumbnail
unsigned ThumbnailSize; // Size of thumbnail.
}ImageInfo_t;
typedef enum {
READ_EXIF = 1,
READ_IMAGE = 2,
READ_ALL = 3
}ReadMode_t;
typedef unsigned char uchar;
//--------------------------------------------------------------------------
// This structure is used to store jpeg file sections in memory.
typedef struct {
uchar * Data;
int Type;
unsigned Size;
}Section_t;
#define MAX_SECTIONS 20
#define PSEUDO_IMAGE_MARKER 0x123; // Extra value.
extern int ReadJpegSections (FILE * infile, ReadMode_t ReadMode);
extern void DiscardData(void);
extern void process_EXIF(unsigned char * CharBuf, unsigned int length);
extern void process_COM (const uchar * Data, int length);
extern void process_SOFn (const uchar * Data, int marker);
extern void DiscardData(void);
extern int Get16m(const void * Short);
extern int GetExifNonThumbnailSize(void);
extern QString ProcessFile(const char * FileName, bool showsize=false, const char* ThumbnailName=NULL);
#endif
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