moved a lot of code to the library

2 files changed, 10 insertions, 1248 deletions

diff --git a/noncore/graphics/opie-eye/slave/jpeg_slave.cpp b/noncore/graphics/opie-eye/slave/jpeg_slave.cpp
index 1bb81d9..668ad13 100644
--- a/noncore/graphics/opie-eye/slave/jpeg_slave.cpp
+++ b/noncore/graphics/opie-eye/slave/jpeg_slave.cpp
@@ -5,1136 +5,14 @@ PHUNK_VIEW_INTERFACE( "JPEG", JpegSlave )
 
 /* OPIE */
 #include <opie2/odebug.h>
+#include <opie2/opieexif.h>
 #include <qpe/timestring.h>
 using namespace Opie::Core;
+using namespace Opie::MM;
 
 /* QT */
 #include <qobject.h>
 #include <qimage.h>
-
-/**
-    exif.h
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <time.h>
-
-#include <qstring.h>
-#include <qfile.h>
-#include <qimage.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);
-    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 { owarn << "exception: " << ex << "" << oendl;  }
-};
-
-
-
-static unsigned char * LastExifRefd;
-static int ExifSettingsLength;
-static double FocalplaneXRes;
-static double FocalplaneUnits;
-static int MotorolaOrder = 0;
-static int SectionsRead;
-//static int HaveAll;
-
-//--------------------------------------------------------------------------
-// Table of Jpeg encoding process names
-
-#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
-
-
-TagTable_t ProcessTable[] = {
-    { M_SOF0,   "Baseline"},
-    { M_SOF1,   "Extended sequential"},
-    { M_SOF2,   "Progressive"},
-    { M_SOF3,   "Lossless"},
-    { M_SOF5,   "Differential sequential"},
-    { M_SOF6,   "Differential progressive"},
-    { M_SOF7,   "Differential lossless"},
-    { M_SOF9,   "Extended sequential, arithmetic coding"},
-    { M_SOF10,  "Progressive, arithmetic coding"},
-    { M_SOF11,  "Lossless, arithmetic coding"},
-    { M_SOF13,  "Differential sequential, arithmetic coding"},
-    { M_SOF14,  "Differential progressive, arithmetic coding"},
-    { M_SOF15,  "Differential lossless, arithmetic coding"},
-    { 0,        "Unknown"}
-};
-
-
-
-//--------------------------------------------------------------------------
-// Describes format descriptor
-static int BytesPerFormat[] = {0,1,1,2,4,8,1,1,2,4,8,4,8};
-#define NUM_FORMATS 12
-
-#define FMT_BYTE       1
-#define FMT_STRING     2
-#define FMT_USHORT     3
-#define FMT_ULONG      4
-#define FMT_URATIONAL  5
-#define FMT_SBYTE      6
-#define FMT_UNDEFINED  7
-#define FMT_SSHORT     8
-#define FMT_SLONG      9
-#define FMT_SRATIONAL 10
-#define FMT_SINGLE    11
-#define FMT_DOUBLE    12
-
-//--------------------------------------------------------------------------
-// Describes tag values
-
-#define TAG_EXIF_OFFSET       0x8769
-#define TAG_INTEROP_OFFSET    0xa005
-
-#define TAG_MAKE              0x010F
-#define TAG_MODEL             0x0110
-#define TAG_ORIENTATION       0x0112
-
-#define TAG_EXPOSURETIME      0x829A
-#define TAG_FNUMBER           0x829D
-
-#define TAG_SHUTTERSPEED      0x9201
-#define TAG_APERTURE          0x9202
-#define TAG_MAXAPERTURE       0x9205
-#define TAG_FOCALLENGTH       0x920A
-
-#define TAG_DATETIME_ORIGINAL 0x9003
-#define TAG_USERCOMMENT       0x9286
-
-#define TAG_SUBJECT_DISTANCE  0x9206
-#define TAG_FLASH             0x9209
-
-#define TAG_FOCALPLANEXRES    0xa20E
-#define TAG_FOCALPLANEUNITS   0xa210
-#define TAG_EXIF_IMAGEWIDTH   0xA002
-#define TAG_EXIF_IMAGELENGTH  0xA003
-
-// the following is added 05-jan-2001 vcs
-#define TAG_EXPOSURE_BIAS     0x9204
-#define TAG_WHITEBALANCE      0x9208
-#define TAG_METERING_MODE     0x9207
-#define TAG_EXPOSURE_PROGRAM  0x8822
-#define TAG_ISO_EQUIVALENT    0x8827
-#define TAG_COMPRESSION_LEVEL 0x9102
-
-#define TAG_THUMBNAIL_OFFSET  0x0201
-#define TAG_THUMBNAIL_LENGTH  0x0202
-
-
-
-
-//--------------------------------------------------------------------------
-// Parse the marker stream until SOS or EOI is seen;
-//--------------------------------------------------------------------------
-int ExifData::ReadJpegSections (QFile & infile, ReadMode_t ReadMode)
-{
-    int a;
-
-    a = infile.getch();
-
-    if (a != 0xff || infile.getch() != M_SOI) {
-        SectionsRead = 0;
-        return false;
-    }
-    for(SectionsRead = 0; SectionsRead < MAX_SECTIONS-1; ){
-        int marker = 0;
-        int got;
-        unsigned int ll,lh;
-        unsigned int itemlen;
-        uchar * Data;
-
-        for (a=0;a<7;a++){
-            marker = infile.getch();
-            if (marker != 0xff) break;
-
-            if (a >= 6){
-
-                owarn << "too many padding bytes" << oendl;
-                return false;
-
-            }
-        }
-
-        if (marker == 0xff){
-            // 0xff is legal padding, but if we get that many, something's wrong.
-            return false;
-        }
-
-        Sections[SectionsRead].Type = marker;
-
-        // Read the length of the section.
-        lh = (uchar) infile.getch();
-        ll = (uchar) infile.getch();
-
-        itemlen = (lh << 8) | ll;
-
-        if (itemlen < 2) {
-            return false;;
-        }
-
-        Sections[SectionsRead].Size = itemlen;
-
-        Data = (uchar *)malloc(itemlen+1); // Add 1 to allow sticking a 0 at the end.
-        Sections[SectionsRead].Data = Data;
-
-        // Store first two pre-read bytes.
-        Data[0] = (uchar)lh;
-        Data[1] = (uchar)ll;
-
-        got = infile.readBlock((char*)Data+2, itemlen-2); // Read the whole section.
-        if (( unsigned ) got != itemlen-2){
-            return false;
-        }
-        SectionsRead++;
-
-        switch(marker){
-
-            case M_SOS:   // stop before hitting compressed data
-                // If reading entire image is requested, read the rest of the data.
-                if (ReadMode & READ_IMAGE){
-                    unsigned long size;
-
-                    size = QMAX( 0ul, infile.size()-infile.at() );
-                    Data = (uchar *)malloc(size);
-                    if (Data == NULL){
-                        return false;
-                    }
-
-                    got = infile.readBlock((char*)Data,  size);
-                    if (( unsigned ) got != size){
-                        return false;
-                    }
-
-                    Sections[SectionsRead].Data = Data;
-                    Sections[SectionsRead].Size = size;
-                    Sections[SectionsRead].Type = PSEUDO_IMAGE_MARKER;
-                    SectionsRead ++;
-                    //HaveAll = 1;
-                }
-                return true;
-
-            case M_EOI:   // in case it's a tables-only JPEG stream
-                owarn << "No image in jpeg!" << oendl;
-                return false;
-
-            case M_COM: // Comment section
-        // pieczy 2002-02-12
-        // now the User comment goes to UserComment
-        // so we can store a Comment section also in READ_EXIF mode
-        process_COM(Data, itemlen);
-                break;
-
-            case M_JFIF:
-                // Regular jpegs always have this tag, exif images have the exif
-                // marker instead, althogh ACDsee will write images with both markers.
-                // this program will re-create this marker on absence of exif marker.
-                // hence no need to keep the copy from the file.
-                free(Sections[--SectionsRead].Data);
-                break;
-
-            case M_EXIF:
-                // Seen files from some 'U-lead' software with Vivitar scanner
-                // that uses marker 31 for non exif stuff.  Thus make sure
-                // it says 'Exif' in the section before treating it as exif.
-                if ((ReadMode & READ_EXIF) && memcmp(Data+2, "Exif", 4) == 0){
-                    process_EXIF((uchar *)Data, itemlen);
-                }else{
-                    // Discard this section.
-                    free(Sections[--SectionsRead].Data);
-                }
-                break;
-
-            case M_SOF0:
-            case M_SOF1:
-            case M_SOF2:
-            case M_SOF3:
-            case M_SOF5:
-            case M_SOF6:
-            case M_SOF7:
-            case M_SOF9:
-            case M_SOF10:
-            case M_SOF11:
-            case M_SOF13:
-            case M_SOF14:
-            case M_SOF15:
-                process_SOFn(Data, marker);
-            default:
-                break;
-                break;
-        }
-    }
-    return true;
-}
-
-
-//--------------------------------------------------------------------------
-// Discard read data.
-//--------------------------------------------------------------------------
-void ExifData::DiscardData(void)
-{
-    for (int a=0; a < SectionsRead; a++)
-        free(Sections[a].Data);
-    SectionsRead = 0;
-}
-
-//--------------------------------------------------------------------------
-// Convert a 16 bit unsigned value from file's native byte order
-//--------------------------------------------------------------------------
-int ExifData::Get16u(void * Short)
-{
-    if (MotorolaOrder){
-        return (((uchar *)Short)[0] << 8) | ((uchar *)Short)[1];
-    }else{
-        return (((uchar *)Short)[1] << 8) | ((uchar *)Short)[0];
-    }
-}
-
-//--------------------------------------------------------------------------
-// Convert a 32 bit signed value from file's native byte order
-//--------------------------------------------------------------------------
-int ExifData::Get32s(void * Long)
-{
-    if (MotorolaOrder){
-        return  ((( char *)Long)[0] << 24) | (((uchar *)Long)[1] << 16)
-              | (((uchar *)Long)[2] << 8 ) | (((uchar *)Long)[3] << 0 );
-    }else{
-        return  ((( char *)Long)[3] << 24) | (((uchar *)Long)[2] << 16)
-              | (((uchar *)Long)[1] << 8 ) | (((uchar *)Long)[0] << 0 );
-    }
-}
-
-//--------------------------------------------------------------------------
-// Convert a 32 bit unsigned value from file's native byte order
-//--------------------------------------------------------------------------
-unsigned ExifData::Get32u(void * Long)
-{
-    return (unsigned)Get32s(Long) & 0xffffffff;
-}
-
-//--------------------------------------------------------------------------
-// Evaluate number, be it int, rational, or float from directory.
-//--------------------------------------------------------------------------
-double ExifData::ConvertAnyFormat(void * ValuePtr, int Format)
-{
-    double Value;
-    Value = 0;
-
-    switch(Format){
-        case FMT_SBYTE:     Value = *(signed char *)ValuePtr;  break;
-        case FMT_BYTE:      Value = *(uchar *)ValuePtr;        break;
-
-        case FMT_USHORT:    Value = Get16u(ValuePtr);          break;
-
-        case FMT_ULONG:     Value = Get32u(ValuePtr);          break;
-
-        case FMT_URATIONAL:
-        case FMT_SRATIONAL:
-            {
-                int Num,Den;
-                Num = Get32s(ValuePtr);
-                Den = Get32s(4+(char *)ValuePtr);
-                if (Den == 0){
-                    Value = 0;
-                }else{
-                    Value = (double)Num/Den;
-                }
-                break;
-            }
-
-        case FMT_SSHORT:    Value = (signed short)Get16u(ValuePtr);  break;
-        case FMT_SLONG:     Value = Get32s(ValuePtr);                break;
-
-        // Not sure if this is correct (never seen float used in Exif format)
-        case FMT_SINGLE:    Value = (double)*(float *)ValuePtr;      break;
-        case FMT_DOUBLE:    Value = *(double *)ValuePtr;             break;
-    }
-    return Value;
-}
-
-//--------------------------------------------------------------------------
-// Process one of the nested EXIF directories.
-//--------------------------------------------------------------------------
-void ExifData::ProcessExifDir(unsigned char * DirStart, unsigned char * OffsetBase, unsigned ExifLength)
-{
-    int de;
-    int a;
-    int NumDirEntries;
-    unsigned ThumbnailOffset = 0;
-    unsigned ThumbnailSize = 0;
-
-    NumDirEntries = Get16u(DirStart);
-    #define DIR_ENTRY_ADDR(Start, Entry) (Start+2+12*(Entry))
-
-    {
-        unsigned char * DirEnd;
-        DirEnd = DIR_ENTRY_ADDR(DirStart, NumDirEntries);
-        if (DirEnd+4 > (OffsetBase+ExifLength)){
-            if (DirEnd+2 == OffsetBase+ExifLength || DirEnd == OffsetBase+ExifLength){
-                // Version 1.3 of jhead would truncate a bit too much.
-                // This also caught later on as well.
-            }else{
-                // Note: Files that had thumbnails trimmed with jhead 1.3 or earlier
-                // might trigger this.
-                return;
-            }
-        }
-        if (DirEnd < LastExifRefd) LastExifRefd = DirEnd;
-    }
-
-    for (de=0;de<NumDirEntries;de++){
-        int Tag, Format, Components;
-        unsigned char * ValuePtr;
-        int ByteCount;
-        char * DirEntry;
-        DirEntry = (char *)DIR_ENTRY_ADDR(DirStart, de);
-
-        Tag = Get16u(DirEntry);
-        Format = Get16u(DirEntry+2);
-        Components = Get32u(DirEntry+4);
-
-        if ((Format-1) >= NUM_FORMATS) {
-            // (-1) catches illegal zero case as unsigned underflows to positive large.
-            return;
-        }
-
-        ByteCount = Components * BytesPerFormat[Format];
-
-        if (ByteCount > 4){
-            unsigned OffsetVal;
-            OffsetVal = Get32u(DirEntry+8);
-            // If its bigger than 4 bytes, the dir entry contains an offset.
-            if (OffsetVal+ByteCount > ExifLength){
-                // Bogus pointer offset and / or bytecount value
-                //printf("Offset %d bytes %d ExifLen %d\n",OffsetVal, ByteCount, ExifLength);
-
-                return;
-            }
-            ValuePtr = OffsetBase+OffsetVal;
-        }else{
-            // 4 bytes or less and value is in the dir entry itself
-            ValuePtr = (unsigned char *)DirEntry+8;
-        }
-
-        if (LastExifRefd < ValuePtr+ByteCount){
-            // Keep track of last byte in the exif header that was actually referenced.
-            // That way, we know where the discardable thumbnail data begins.
-            LastExifRefd = ValuePtr+ByteCount;
-        }
-
-        // Extract useful components of tag
-        switch(Tag){
-
-            case TAG_MAKE:
-                ExifData::CameraMake = QString((char*)ValuePtr);
-                break;
-
-            case TAG_MODEL:
-                ExifData::CameraModel = QString((char*)ValuePtr);
-        break;
-
-            case TAG_ORIENTATION:
-                Orientation = (int)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_DATETIME_ORIGINAL:
-        DateTime = QString((char*)ValuePtr);
-                break;
-
-            case TAG_USERCOMMENT:
-                // Olympus has this padded with trailing spaces.  Remove these first.
-                for (a=ByteCount;;){
-                    a--;
-                    if ((ValuePtr)[a] == ' '){
-                        (ValuePtr)[a] = '\0';
-                    }else{
-                        break;
-                    }
-                    if (a == 0) break;
-                }
-
-                // Copy the comment
-                if (memcmp(ValuePtr, "ASCII",5) == 0){
-                    for (a=5;a<10;a++){
-                        int c;
-                        c = (ValuePtr)[a];
-                        if (c != '\0' && c != ' '){
-                            //strncpy(ImageInfo.Comments, (const char*)(a+ValuePtr), 199);
-                            UserComment.sprintf("%s", (const char*)(a+ValuePtr));
-                            break;
-                        }
-                    }
-                }else{
-                    //strncpy(ImageInfo.Comments, (const char*)ValuePtr, 199);
-                    UserComment.sprintf("%s", (const char*)ValuePtr);
-                }
-                break;
-
-            case TAG_FNUMBER:
-                // Simplest way of expressing aperture, so I trust it the most.
-                // (overwrite previously computd value if there is one)
-        ExifData::ApertureFNumber = (float)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_APERTURE:
-            case TAG_MAXAPERTURE:
-                // More relevant info always comes earlier, so only use this field if we don't
-                // have appropriate aperture information yet.
-                if (ExifData::ApertureFNumber == 0){
-                    ExifData::ApertureFNumber
-                        = (float)exp(ConvertAnyFormat(ValuePtr, Format)*log(2)*0.5);
-                }
-                break;
-
-            case TAG_FOCALLENGTH:
-                // Nice digital cameras actually save the focal length as a function
-                // of how farthey are zoomed in.
-                ExifData::FocalLength = (float)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_SUBJECT_DISTANCE:
-                // Inidcates the distacne the autofocus camera is focused to.
-                // Tends to be less accurate as distance increases.
-                ExifData::Distance = (float)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_EXPOSURETIME:
-                // Simplest way of expressing exposure time, so I trust it most.
-                // (overwrite previously computd value if there is one)
-                ExifData::ExposureTime = (float)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_SHUTTERSPEED:
-                // More complicated way of expressing exposure time, so only use
-                // this value if we don't already have it from somewhere else.
-                if (ExifData::ExposureTime == 0){
-                    ExifData::ExposureTime
-                        = (float)(1/exp(ConvertAnyFormat(ValuePtr, Format)*log(2)));
-                }
-                break;
-
-            case TAG_FLASH:
-                if (ConvertAnyFormat(ValuePtr, Format)){
-                    ExifData::FlashUsed = 1;
-                }
-                break;
-
-            case TAG_EXIF_IMAGELENGTH:
-                ExifImageLength = (int)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_EXIF_IMAGEWIDTH:
-                ExifImageWidth = (int)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_FOCALPLANEXRES:
-                FocalplaneXRes = ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_FOCALPLANEUNITS:
-                switch((int)ConvertAnyFormat(ValuePtr, Format)){
-                    case 1: FocalplaneUnits = 25.4; break; // inch
-                    case 2:
-                        // According to the information I was using, 2 means meters.
-                        // But looking at the Cannon powershot's files, inches is the only
-                        // sensible value.
-                        FocalplaneUnits = 25.4;
-                        break;
-
-                    case 3: FocalplaneUnits = 10;   break;  // centimeter
-                    case 4: FocalplaneUnits = 1;    break;  // milimeter
-                    case 5: FocalplaneUnits = .001; break;  // micrometer
-                }
-                break;
-
-                // Remaining cases contributed by: Volker C. Schoech (schoech@gmx.de)
-
-            case TAG_EXPOSURE_BIAS:
-            ExifData::ExposureBias = (float)ConvertAnyFormat(ValuePtr, Format);
-        break;
-
-            case TAG_WHITEBALANCE:
-                 ExifData::Whitebalance = (int)ConvertAnyFormat(ValuePtr, Format);
-         break;
-
-            case TAG_METERING_MODE:
-                ExifData::MeteringMode = (int)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_EXPOSURE_PROGRAM:
-                ExifData::ExposureProgram = (int)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_ISO_EQUIVALENT:
-                ExifData::ISOequivalent = (int)ConvertAnyFormat(ValuePtr, Format);
-                if ( ExifData::ISOequivalent < 50 ) ExifData::ISOequivalent *= 200;
-                break;
-
-            case TAG_COMPRESSION_LEVEL:
-                ExifData::CompressionLevel = (int)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_THUMBNAIL_OFFSET:
-                ThumbnailOffset = (unsigned)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-            case TAG_THUMBNAIL_LENGTH:
-                ThumbnailSize = (unsigned)ConvertAnyFormat(ValuePtr, Format);
-                break;
-
-        }
-
-        if (Tag == TAG_EXIF_OFFSET || Tag == TAG_INTEROP_OFFSET){
-            unsigned char * SubdirStart;
-            SubdirStart = OffsetBase + Get32u(ValuePtr);
-            if (SubdirStart < OffsetBase || SubdirStart > OffsetBase+ExifLength){
-                return;
-            }
-            ProcessExifDir(SubdirStart, OffsetBase, ExifLength);
-            continue;
-        }
-    }
-
-    {
-        // In addition to linking to subdirectories via exif tags,
-        // there's also a potential link to another directory at the end of each
-        // directory.  this has got to be the result of a comitee!
-        unsigned char * SubdirStart;
-        unsigned Offset;
-
-        if (DIR_ENTRY_ADDR(DirStart, NumDirEntries) + 4 <= OffsetBase+ExifLength){
-            Offset = Get32u(DIR_ENTRY_ADDR(DirStart, NumDirEntries));
-        // There is at least one jpeg from an HP camera having an Offset of almost MAXUINT.
-        // Adding OffsetBase to it produces an overflow, so compare with ExifLength here.
-        // See http://bugs.kde.org/show_bug.cgi?id=54542
-        if (Offset && Offset < ExifLength){
-                SubdirStart = OffsetBase + Offset;
-                if (SubdirStart > OffsetBase+ExifLength){
-                    if (SubdirStart < OffsetBase+ExifLength+20){
-                        // Jhead 1.3 or earlier would crop the whole directory!
-                        // As Jhead produces this form of format incorrectness,
-                        // I'll just let it pass silently
-                        owarn << "Thumbnail removed with Jhead 1.3 or earlier" << oendl;
-                    }else{
-                        return;
-                    }
-                }else{
-                    if (SubdirStart <= OffsetBase+ExifLength){
-                        ProcessExifDir(SubdirStart, OffsetBase, ExifLength);
-                    }
-                }
-            }
-        }else{
-            // The exif header ends before the last next directory pointer.
-        }
-    }
-
-    if (ThumbnailSize && ThumbnailOffset){
-        if (ThumbnailSize + ThumbnailOffset <= ExifLength){
-            // The thumbnail pointer appears to be valid.  Store it.
-        Thumbnail.loadFromData(OffsetBase + ThumbnailOffset, ThumbnailSize, "JPEG");
-        }
-    }
-}
-
-//--------------------------------------------------------------------------
-// Process a COM marker.  We want to leave the bytes unchanged.  The
-// progam that displays this text may decide to remove blanks, convert
-// newlines, or otherwise modify the text.  In particular we want to be
-// safe for passing utf-8 text.
-//--------------------------------------------------------------------------
-void ExifData::process_COM (const uchar * Data, int length)
-{
-    QChar ch;
-    int a;
-
-    for (a=2;a<length;a++){
-        ch = Data[a];
-        if (ch == '\000') continue;                     // Remove nulls
-        Comment.append(ch);
-    }
-}
-
-
-//--------------------------------------------------------------------------
-// Process a SOFn marker.  This is useful for the image dimensions
-//--------------------------------------------------------------------------
-void ExifData::process_SOFn (const uchar * Data, int marker)
-{
-    int data_precision, num_components;
-
-    data_precision = Data[2];
-    ExifData::Height = Get16m(Data+3);
-    ExifData::Width = Get16m(Data+5);
-    num_components = Data[7];
-
-    if (num_components == 3){
-        ExifData::IsColor = 1;
-    }else{
-        ExifData::IsColor = 0;
-    }
-
-    ExifData::Process = marker;
-
-}
-
-//--------------------------------------------------------------------------
-// Get 16 bits motorola order (always) for jpeg header stuff.
-//--------------------------------------------------------------------------
-int ExifData::Get16m(const void * Short)
-{
-    return (((uchar *)Short)[0] << 8) | ((uchar *)Short)[1];
-}
-
-
-//--------------------------------------------------------------------------
-// Process a EXIF marker
-// Describes all the drivel that most digital cameras include...
-//--------------------------------------------------------------------------
-void ExifData::process_EXIF(unsigned char * CharBuf, unsigned int length)
-{
-    ExifData::FlashUsed = 0; // If it s from a digicam, and it used flash, it says so.
-
-    FocalplaneXRes = 0;
-    FocalplaneUnits = 0;
-    ExifImageWidth = 0;
-    ExifImageLength = 0;
-
-    {   // Check the EXIF header component
-        static const uchar ExifHeader[] = "Exif\0\0";
-        if (memcmp(CharBuf+2, ExifHeader,6)){
-            return;
-        }
-    }
-
-    if (memcmp(CharBuf+8,"II",2) == 0){
-        // printf("Exif section in Intel order\n");
-        MotorolaOrder = 0;
-    }else{
-        if (memcmp(CharBuf+8,"MM",2) == 0){
-            // printf("Exif section in Motorola order\n");
-            MotorolaOrder = 1;
-        }else{
-            return;
-        }
-    }
-
-    // Check the next two values for correctness.
-    if (Get16u(CharBuf+10) != 0x2a
-      || Get32u(CharBuf+12) != 0x08){
-        return;
-    }
-
-    LastExifRefd = CharBuf;
-
-    // First directory starts 16 bytes in.  Offsets start at 8 bytes in.
-    ProcessExifDir(CharBuf+16, CharBuf+8, length-6);
-
-    // This is how far the interesting (non thumbnail) part of the exif went.
-    ExifSettingsLength = LastExifRefd - CharBuf;
-
-    // Compute the CCD width, in milimeters.
-    if (FocalplaneXRes != 0){
-        ExifData::CCDWidth = (float)(ExifImageWidth * FocalplaneUnits / FocalplaneXRes);
-    }
-}
-
-//--------------------------------------------------------------------------
-// Convert exif time to Unix time structure
-//--------------------------------------------------------------------------
-int ExifData::Exif2tm(struct tm * timeptr, char * ExifTime)
-{
-    int a;
-
-    timeptr->tm_wday = -1;
-
-    // Check for format: YYYY:MM:DD HH:MM:SS format.
-    a = sscanf(ExifTime, "%d:%d:%d %d:%d:%d",
-            &timeptr->tm_year, &timeptr->tm_mon, &timeptr->tm_mday,
-            &timeptr->tm_hour, &timeptr->tm_min, &timeptr->tm_sec);
-
-    if (a == 6){
-        timeptr->tm_isdst = -1;
-        timeptr->tm_mon -= 1;      // Adjust for unix zero-based months
-        timeptr->tm_year -= 1900;  // Adjust for year starting at 1900
-        return true; // worked.
-    }
-
-    return false; // Wasn't in Exif date format.
-}
-
-//--------------------------------------------------------------------------
-// Contructor for initialising
-//--------------------------------------------------------------------------
-ExifData::ExifData()
-{
-    ExifData::Whitebalance = -1;
-    ExifData::MeteringMode = -1;
-    ExifData::FlashUsed = -1;
-    Orientation = 0;
-    Height = 0;
-    Width = 0;
-    IsColor = 0;
-    Process = 0;
-    FocalLength = 0;
-    ExposureTime = 0;
-    ApertureFNumber = 0;
-    Distance = 0;
-    CCDWidth = 0;
-    ExposureBias = 0;
-    ExposureProgram = 0;
-    ISOequivalent = 0;
-    CompressionLevel = 0;
-}
-
-//--------------------------------------------------------------------------
-// process a EXIF jpeg file
-//--------------------------------------------------------------------------
-bool ExifData::scan(const QString & path)
-{
-    int ret;
-
-    QFile f(path);
-    f.open(IO_ReadOnly);
-
-    // Scan the JPEG headers.
-    ret = ReadJpegSections(f, READ_EXIF);
-
-    if (ret == false){
-        owarn << "Not JPEG file!" << oendl;
-        DiscardData();
-        f.close();
-        return false;
-    }
-    f.close();
-    DiscardData();
-
-    //now make the strings clean,
-    // for exmaple my Casio is a "QV-4000   "
-    CameraMake = CameraMake.stripWhiteSpace();
-    CameraModel = CameraModel.stripWhiteSpace();
-    UserComment = UserComment.stripWhiteSpace();
-    Comment = Comment.stripWhiteSpace();
-    return true;
-}
-
-//--------------------------------------------------------------------------
-// Does the embedded thumbnail match the jpeg image?
-//--------------------------------------------------------------------------
-#ifndef JPEG_TOL
-#define JPEG_TOL 0.02
-#endif
-bool ExifData::isThumbnailSane() {
-  if (Thumbnail.isNull()) return false;
-
-  // check whether thumbnail dimensions match the image
-  // not foolproof, but catches some altered images (jpegtran -rotate)
-  if (ExifImageLength != 0 && ExifImageLength != Height) return false;
-  if (ExifImageWidth != 0 && ExifImageWidth != Width) return false;
-  if (Thumbnail.width() == 0 || Thumbnail.height() == 0) return false;
-  if (Height == 0 || Width == 0) return false;
-  double d = (double)Height/Width*Thumbnail.width()/Thumbnail.height();
-  return (1-JPEG_TOL < d) && (d < 1+JPEG_TOL);
-}
-
-
-
-static QImage flip_image( const QImage& img );
-static QImage rotate_90( const QImage& img );
-static QImage rotate_180( const QImage& );
-static QImage rotate_270( const QImage& );
-
-//--------------------------------------------------------------------------
-// return a thumbnail that respects the orientation flag
-// only if it seems sane
-//--------------------------------------------------------------------------
-QImage ExifData::getThumbnail() {
-  if (!isThumbnailSane()) return NULL;
-  if (!Orientation || Orientation == 1) return Thumbnail;
-
-  // now fix orientation
-
-  QImage dest = Thumbnail;
-  switch (Orientation) {  // notice intentional fallthroughs
-    case 2: dest = flip_image( dest ); break;
-    case 4: dest = flip_image( dest );
-    case 3: dest =rotate_180( dest ); break;
-    case 5: dest = flip_image( dest );
-    case 6: dest = rotate_90( dest ); break;
-    case 7: dest = flip_image( dest );
-    case 8: dest = rotate_270( dest ); break;
-    default: break; // should never happen
-  }
-  return dest;
-}
-
-
-/*
- *
- */
-static QImage flip_image( const QImage& img ) {
-    return img.mirror( TRUE, FALSE );
-}
-
-
-static QImage dest;
-static int x, y;
-static unsigned int  *srcData, *destData; // we're not threaded anyway
-static unsigned char *srcData8, *destData8; // 8 bit is char
-static unsigned int *srcTable,  *destTable; // destination table
-
-
-static QImage rotate_90_8( const QImage &img ) {
-    dest.create(img.height(), img.width(), img.depth());
-    dest.setNumColors(img.numColors());
-    srcTable = (unsigned int *)img.colorTable();
-    destTable = (unsigned int *)dest.colorTable();
-    for ( x=0; x < img.numColors(); ++x )
-        destTable[x] = srcTable[x];
-    for ( y=0; y < img.height(); ++y ){
-        srcData8 = (unsigned char *)img.scanLine(y);
-        for ( x=0; x < img.width(); ++x ){
-            destData8 = (unsigned char *)dest.scanLine(x);
-            destData8[img.height()-y-1] = srcData8[x];
-        }
-    }
-    return dest;
-}
-
-static QImage rotate_90_all(  const QImage& img ) {
-    dest.create(img.height(), img.width(), img.depth());
-    for ( y=0; y < img.height(); ++y )    {
-        srcData = (unsigned int *)img.scanLine(y);
-        for ( x=0; x < img.width(); ++x ) {
-            destData = (unsigned int *)dest.scanLine(x);
-            destData[img.height()-y-1] = srcData[x];
-        }
-    }
-
-    return dest;
-}
-
-
-static QImage  rotate_90( const QImage & img ) {
-    if ( img.depth() > 8)
-        return rotate_90_all( img );
-    else
-        return rotate_90_8( img );
-}
-
-static QImage rotate_180_all( const QImage& img ) {
-    dest.create(img.width(), img.height(), img.depth());
-    for ( y=0; y < img.height(); ++y ){
-        srcData = (unsigned int *)img.scanLine(y);
-        destData = (unsigned int *)dest.scanLine(img.height()-y-1);
-        for ( x=0; x < img.width(); ++x )
-            destData[img.width()-x-1] = srcData[x];
-    }
-    return dest;
-}
-
-static QImage rotate_180_8( const QImage& img ) {
-    dest.create(img.width(), img.height(), img.depth());
-    dest.setNumColors(img.numColors());
-    srcTable = (unsigned int *)img.colorTable();
-    destTable = (unsigned int *)dest.colorTable();
-    for ( x=0; x < img.numColors(); ++x )
-        destTable[x] = srcTable[x];
-    for ( y=0; y < img.height(); ++y ){
-        srcData8 = (unsigned char *)img.scanLine(y);
-        destData8 = (unsigned char *)dest.scanLine(img.height()-y-1);
-        for ( x=0; x < img.width(); ++x )
-            destData8[img.width()-x-1] = srcData8[x];
-    }
-    return dest;
-}
-
-static QImage rotate_180( const QImage& img ) {
-    if ( img.depth() > 8 )
-        return rotate_180_all( img );
-    else
-        return rotate_180_8( img );
-}
-
-
-static QImage rotate_270_8( const QImage& img ) {
-    dest.create(img.height(), img.width(), img.depth());
-    dest.setNumColors(img.numColors());
-    srcTable = (unsigned int *)img.colorTable();
-    destTable = (unsigned int *)dest.colorTable();
-    for ( x=0; x < img.numColors(); ++x )
-        destTable[x] = srcTable[x];
-    for ( y=0; y < img.height(); ++y ){
-        srcData8 = (unsigned char *)img.scanLine(y);
-        for ( x=0; x < img.width(); ++x ){
-            destData8 = (unsigned char *)dest.scanLine(img.width()-x-1);
-            destData8[y] = srcData8[x];
-        }
-    }
-
-    return dest;
-}
-
-static QImage rotate_270_all( const QImage& img ) {
-    dest.create(img.height(), img.width(), img.depth());
-    for ( y=0; y < img.height(); ++y ){
-        srcData = (unsigned int *)img.scanLine(y);
-        for ( x=0; x < img.width(); ++x ){
-            destData = (unsigned int *)dest.scanLine(img.width()-x-1);
-            destData[y] = srcData[x];
-        }
-    }
-    return dest;
-}
-
-static QImage rotate_270( const QImage& img ) {
-    if (  img.depth() > 8 )
-        return rotate_270_all( img );
-    else
-        return rotate_270_8( img );
-}
-
-
-static QString color_mode_to_string( bool b ) {
-    return b ? QObject::tr( "Colormode: Color\n" ) : QObject::tr( "Colormode: Black and white\n" );
-}
-
-static QString compression_to_string( int level ) {
-    QString str;
-    switch( level ) {
-    case 1:
-        str = QObject::tr( "Basic" );
-        break;
-    case 2:
-        str = QObject::tr( "Normal" );
-        break;
-    case 4:
-        str = QObject::tr( "Fine" );
-        break;
-    default:
-        str = QObject::tr( "Unknown" );
-
-    }
-    return QObject::tr("Quality: %1\n").arg(str);
-}
-
-
 static QDateTime parseDateTime( const QString& string )
 {
     QDateTime dt;
@@ -1176,122 +54,6 @@ static QDateTime parseDateTime( const QString& string )
     return dt;
 }
 
-static QString white_balance_string( int i ) {
-    QString balance;
-    switch ( i ) {
-    case 0:
-        balance = QObject::tr( "Unknown" );
-        break;
-    case 1:
-        balance = QObject::tr( "Daylight" );
-        break;
-    case 2:
-        balance = QObject::tr( "Fluorescent" );
-        break;
-    case 3:
-        balance = QObject::tr( "Tungsten" );
-        break;
-    case 17:
-        balance = QObject::tr( "Standard light A" );
-        break;
-    case 18:
-        balance = QObject::tr( "Standard light B" );
-        break;
-    case 19:
-        balance = QObject::tr( "Standard light C" );
-        break;
-    case 20:
-        balance = QObject::tr( "D55" );
-        break;
-    case 21:
-        balance = QObject::tr( "D65" );
-        break;
-    case 22:
-        balance = QObject::tr( "D75" );
-        break;
-    case 255:
-        balance = QObject::tr( "Other" );
-        break;
-    default:
-        balance = QObject::tr( "Unknown" );
-    }
-    return QObject::tr( "White Balance: %1\n" ).arg( balance );
-
-}
-
-
-static QString metering_mode( int i) {
-    QString meter;
-    switch( i ) {
-    case 0:
-        meter = QObject::tr( "Unknown" );
-        break;
-    case 1:
-        meter = QObject::tr( "Average" );
-        break;
-    case 2:
-        meter = QObject::tr( "Center weighted average" );
-        break;
-    case 3:
-        meter = QObject::tr( "Spot" );
-        break;
-    case 4:
-        meter = QObject::tr( "MultiSpot" );
-        break;
-    case 5:
-        meter = QObject::tr( "Pattern" );
-        break;
-    case 6:
-        meter = QObject::tr( "Partial" );
-        break;
-    case 255:
-        meter = QObject::tr( "Other" );
-        break;
-    default:
-        meter = QObject::tr( "Unknown" );
-    }
-
-    return QObject::tr( "Metering Mode: %1\n" ).arg( meter );
-}
-
-
-static QString exposure_program( int i ) {
-    QString exp;
-    switch( i ) {
-    case 0:
-        exp = QObject::tr( "Not defined" );
-        break;
-    case 1:
-        exp = QObject::tr( "Manual" );
-        break;
-    case 2:
-        exp = QObject::tr( "Normal progam" );
-        break;
-    case 3:
-        exp = QObject::tr( "Aperture priority" );
-        break;
-    case 4:
-        exp = QObject::tr( "Shutter priority" );
-        break;
-    case 5:
-        exp = QObject::tr( "Creative progam\n(biased toward fast shutter speed" );
-        break;
-    case 6:
-        exp = QObject::tr( "Action progam\n(biased toward fast shutter speed)" );
-        break;
-    case 7:
-        exp = QObject::tr( "Portrait mode\n(for closeup photos with the background out of focus)" );
-        break;
-    case 8:
-        exp = QObject::tr( "Landscape mode\n(for landscape photos with the background in focus)" );
-        break;
-    default:
-        exp = QObject::tr( "Unknown" );
-    }
-
-    return QObject::tr( "Exposure Program: %1\n" ).arg( exp );
-}
-
 JpegSlave::JpegSlave()
     : SlaveInterface(  QStringList::split( " ", "jpeg jpg" ) )
 {}
@@ -1313,9 +75,9 @@ QString JpegSlave::iconViewName( const QString& path) {
     tag += QObject::tr( "Dimensions: %1x%2\n" ).arg(ImageInfo.getWidth())
            .arg(ImageInfo.getHeight() );
 
-    tag += color_mode_to_string(  ImageInfo.getIsColor() );
+    tag += ExifData::color_mode_to_string(  ImageInfo.getIsColor() );
 
-    tag += compression_to_string( ImageInfo.getCompressionLevel() );
+    tag += ExifData::compression_to_string( ImageInfo.getCompressionLevel() );
 
     return tag;
 }
@@ -1346,9 +108,9 @@ QString JpegSlave::fullImageInfo( const QString& path) {
     tag += QObject::tr( "Dimensions: %1x%2\n" ).arg(ImageInfo.getWidth())
            .arg(ImageInfo.getHeight() );
 
-    tag += color_mode_to_string(  ImageInfo.getIsColor() );
+    tag += ExifData::color_mode_to_string(  ImageInfo.getIsColor() );
 
-    tag += compression_to_string( ImageInfo.getCompressionLevel() );
+    tag += ExifData::compression_to_string( ImageInfo.getCompressionLevel() );
     if ( ImageInfo.getOrientation() )
         tag += QObject::tr( "Orientation: %1\n" ).arg(ImageInfo.getOrientation() );
 
@@ -1391,14 +153,14 @@ QString JpegSlave::fullImageInfo( const QString& path) {
     }
 
     if ( ImageInfo.getWhitebalance() != -1 )
-        tag += white_balance_string( ImageInfo.getWhitebalance() );
+        tag += ExifData::white_balance_string( ImageInfo.getWhitebalance() );
 
 
     if( ImageInfo.getMeteringMode() != -1 )
-        tag += metering_mode( ImageInfo.getMeteringMode() );
+        tag += ExifData::metering_mode( ImageInfo.getMeteringMode() );
 
     if ( ImageInfo.getExposureProgram() )
-        tag += exposure_program( ImageInfo.getExposureProgram() );
+        tag += ExifData::exposure_program( ImageInfo.getExposureProgram() );
     if ( ImageInfo.getISOequivalent() )
         tag += QObject::tr( "ISO equivalent: %1\n" ).arg( QString().sprintf("%2d", ImageInfo.getISOequivalent() ) );
 
diff --git a/noncore/graphics/opie-eye/slave/slave.pro b/noncore/graphics/opie-eye/slave/slave.pro
index ab080ad..51fbd1a 100644
--- a/noncore/graphics/opie-eye/slave/slave.pro
+++ b/noncore/graphics/opie-eye/slave/slave.pro
@@ -15,6 +15,6 @@ SOURCES = main.cpp gif_slave.cpp   slavereciever.cpp \
 INCLUDEPATH += $(OPIEDIR)/include ../
 DEPENDSPATH += $(OPIEDIR)/include
 
-LIBS += -lqpe -lopiecore2
+LIBS += -lqpe -lopiecore2 -lopiemm2
 
 include ( $(OPIEDIR)/include.pro )