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#ifndef __EXIF_H__
#define __EXIF_H__
/**
exif.h
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include "qstring.h"
#include "qfile.h"
#include "qimage.h"
#include <kdebug.h>
typedef enum {
READ_EXIF = 1,
READ_IMAGE = 2,
READ_ALL = 3
}ReadMode_t;
//--------------------------------------------------------------------------
// This structure is used to store jpeg file sections in memory.
typedef struct {
uchar * Data;
int Type;
unsigned Size;
}Section_t;
typedef unsigned char uchar;
typedef struct {
unsigned short Tag;
const char*const Desc;
}TagTable_t;
#define MAX_SECTIONS 20
#define PSEUDO_IMAGE_MARKER 0x123; // Extra value.
class ExifData {
Section_t Sections[MAX_SECTIONS];
QString CameraMake;
QString CameraModel;
QString DateTime;
int Orientation;
int Height, Width;
int ExifImageLength, ExifImageWidth;
int IsColor;
int Process;
int FlashUsed;
float FocalLength;
float ExposureTime;
float ApertureFNumber;
float Distance;
int Whitebalance;
int MeteringMode;
float CCDWidth;
float ExposureBias;
int ExposureProgram;
int ISOequivalent;
int CompressionLevel;
QString UserComment;
QString Comment;
QImage Thumbnail;
int ReadJpegSections (QFile & infile, ReadMode_t ReadMode);
void DiscardData(void);
int Get16u(void * Short);
int Get32s(void * Long);
unsigned Get32u(void * Long);
double ConvertAnyFormat(void * ValuePtr, int Format);
void ProcessExifDir(unsigned char * DirStart, unsigned char * OffsetBase, unsigned ExifLength,
unsigned NestingLevel);
void process_COM (const uchar * Data, int length);
void process_SOFn (const uchar * Data, int marker);
int Get16m(const void * Short);
void process_EXIF(unsigned char * CharBuf, unsigned int length);
int Exif2tm(struct tm * timeptr, char * ExifTime);
public:
ExifData();
bool scan(const QString &);
QString getCameraMake() { return CameraMake; }
QString getCameraModel() { return CameraModel; }
QString getDateTime() { return DateTime; }
int getOrientation() { return Orientation; }
int getHeight() { return Height; }
int getWidth() { return Width; }
int getIsColor() { return IsColor; }
int getProcess() { return Process; }
int getFlashUsed() { return FlashUsed; }
float getFocalLength() { return FocalLength; }
float getExposureTime() { return ExposureTime; }
float getApertureFNumber() { return ApertureFNumber; }
float getDistance() { return Distance; }
int getWhitebalance() { return Whitebalance; }
int getMeteringMode() { return MeteringMode; }
float getCCDWidth() { return CCDWidth; }
float getExposureBias() { return ExposureBias; }
int getExposureProgram() { return ExposureProgram; }
int getISOequivalent() { return ISOequivalent; }
int getCompressionLevel() { return CompressionLevel; }
QString getUserComment() { return UserComment; }
QString getComment() { return Comment; }
QImage getThumbnail();
bool isThumbnailSane();
bool isNullThumbnail() { return !isThumbnailSane(); }
};
class FatalError {
const char* ex;
public:
FatalError(const char* s) { ex = s; }
void debug_print() const { kdDebug(7034) << "exception: " << ex << endl; }
};
extern TagTable_t ProcessTable[];
//--------------------------------------------------------------------------
// Define comment writing code, impelemented in setcomment.c
extern int safe_copy_and_modify( const char * original_filename, const char * comment );
#endif
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