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//--------------------------------------------------------------------------
// Include file for jhead program.
//
// This include file only defines stuff that goes across modules.
// I like to keep the definitions for macros and structures as close to
// where they get used as possible, so include files only get stuff that
// gets used in more than one file.
//--------------------------------------------------------------------------
typedef unsigned char uchar;
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#define MAX_COMMENT 2000
#ifdef _WIN32
#define PATH_MAX _MAX_PATH
#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 [PATH_MAX+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.
char * DatePointer;
}ImageInfo_t;
#define EXIT_FAILURE 1
#define EXIT_SUCCESS 0
// prototypes for jhead.c functions
extern void ErrExit(char * msg);
// Prototypes for exif.c functions.
extern int Exif2tm(struct tm * timeptr, char * ExifTime);
extern void process_EXIF (unsigned char * CharBuf, unsigned int length);
extern int RemoveThumbnail(unsigned char * ExifSection, unsigned int Length);
// Prototype for myglob.c module
extern void MyGlob(const char * Pattern , void (*FileFuncParm)(const char * FileName));
// Variables from jhead.c used by exif.c
extern ImageInfo_t ImageInfo;
extern int ShowTags;
extern void ShowImageInfo(void);
extern void ShowConciseImageInfo(void);
//--------------------------------------------------------------------------
// JPEG markers consist of one or more 0xFF bytes, followed by a marker
// code byte (which is not an FF). Here are the marker codes of interest
// in this program. (See jdmarker.c for a more complete list.)
//--------------------------------------------------------------------------
#define M_SOF0 0xC0 // Start Of Frame N
#define M_SOF1 0xC1 // N indicates which compression process
#define M_SOF2 0xC2 // Only SOF0-SOF2 are now in common use
#define M_SOF3 0xC3
#define M_SOF5 0xC5 // NB: codes C4 and CC are NOT SOF markers
#define M_SOF6 0xC6
#define M_SOF7 0xC7
#define M_SOF9 0xC9
#define M_SOF10 0xCA
#define M_SOF11 0xCB
#define M_SOF13 0xCD
#define M_SOF14 0xCE
#define M_SOF15 0xCF
#define M_SOI 0xD8 // Start Of Image (beginning of datastream)
#define M_EOI 0xD9 // End Of Image (end of datastream)
#define M_SOS 0xDA // Start Of Scan (begins compressed data)
#define M_JFIF 0xE0 // Jfif marker
#define M_EXIF 0xE1 // Exif marker
#define M_COM 0xFE // COMment
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