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