<?php
/*************************
  Coppermine Photo Gallery
  ************************
  Copyright (c) 2003-2006 Coppermine Dev Team
  v1.1 originally written by Gregory DEMAR

  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.
  ********************************************
  Coppermine version: 1.4.9
  $Source$
  $Revision: 3125 $
  $Author: gaugau $
  $Date: 2006-06-16 08:48:03 +0200 (Fr, 16 Jun 2006) $
**********************************************/
/*

        Exifer

        Extracts EXIF information from digital photos.



        Copyright © 2003 Jake Olefsky

        http://www.offsky.com/software/exif/index.php

        jake@olefsky.com



        Please see exif.php for the complete information about this software.



        ------------



        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. http://www.gnu.org/copyleft/gpl.html

*/


//=================

// Looks up the name of the tag for the MakerNote (Depends on Manufacturer)

//====================================================================

function lookup_Fujifilm_tag($tag) {



        switch($tag) {

                case "0000": $tag = "Version";break;

                case "1000": $tag = "Quality";break;

                case "1001": $tag = "Sharpness";break;

                case "1002": $tag = "WhiteBalance";break;

                case "1003": $tag = "Color";break;

                case "1004": $tag = "Tone";break;

                case "1010": $tag = "FlashMode";break;

                case "1011": $tag = "FlashStrength";break;

                case "1020": $tag = "Macro";break;

                case "1021": $tag = "FocusMode";break;

                case "1030": $tag = "SlowSync";break;

                case "1031": $tag = "PictureMode";break;

                case "1032": $tag = "Unknown";break;

                case "1100": $tag = "ContinuousTakingBracket";break;

                case "1200": $tag = "Unknown";break;

                case "1300": $tag = "BlurWarning";break;

                case "1301": $tag = "FocusWarning";break;

                case "1302": $tag = "AEWarning";break;



                default: $tag = "unknown:".$tag;break;

        }



        return $tag;

}



//=================

// Formats Data for the data type

//====================================================================

function formatFujifilmData($type,$tag,$intel,$data) {



        if($type=="ASCII") {





        } else if($type=="URATIONAL" || $type=="SRATIONAL") {

                $data = bin2hex($data);

                if($intel==1) $data = intel2Moto($data);

                $top = hexdec(substr($data,8,8));

                $bottom = hexdec(substr($data,0,8));

                if($bottom!=0) $data=$top/$bottom;

                else if($top==0) $data = 0;

                else $data=$top."/".$bottom;



                if($tag=="1011") { //FlashStrength

                        $data=$data." EV";

                }



        } else if($type=="USHORT" || $type=="SSHORT" || $type=="ULONG" || $type=="SLONG" || $type=="FLOAT" || $type=="DOUBLE") {

                $data = bin2hex($data);

                if($intel==1) $data = intel2Moto($data);

                $data=hexdec($data);



                if($tag=="1001") { //Sharpness

                        if($data == 1) $data = "Soft";

                        else if($data == 2) $data = "Soft";

                        else if($data == 3) $data = "Normal";

                        else if($data == 4) $data = "Hard";

                        else if($data == 5) $data = "Hard";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1002") { //WhiteBalance

                        if($data == 0) $data = "Auto";

                        else if($data == 256) $data = "Daylight";

                        else if($data == 512) $data = "Cloudy";

                        else if($data == 768) $data = "DaylightColor-fluorescence";

                        else if($data == 769) $data = "DaywhiteColor-fluorescence";

                        else if($data == 770) $data = "White-fluorescence";

                        else if($data == 1024) $data = "Incandenscense";

                        else if($data == 3840) $data = "Custom";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1003") { //Color

                        if($data == 0) $data = "Chroma Saturation Normal(STD)";

                        else if($data == 256) $data = "Chroma Saturation High";

                        else if($data == 512) $data = "Chroma Saturation Low(ORG)";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1004") { //Tone

                        if($data == 0) $data = "Contrast Normal(STD)";

                        else if($data == 256) $data = "Contrast High(HARD)";

                        else if($data == 512) $data = "Contrast Low(ORG)";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1010") { //FlashMode

                        if($data == 0) $data = "Auto";

                        else if($data == 1) $data = "On";

                        else if($data == 2) $data = "Off";

                        else if($data == 3) $data = "Red-Eye Reduction";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1020") { //Macro

                        if($data == 0) $data = "Off";

                        else if($data == 1) $data = "On";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1021") { //FocusMode

                        if($data == 0) $data = "Auto";

                        else if($data == 1) $data = "Manual";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1030") { //SlowSync

                        if($data == 0) $data = "Off";

                        else if($data == 1) $data = "On";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1031") { //PictureMode

                        if($data == 0) $data = "Auto";

                        else if($data == 1) $data = "Portrait";

                        else if($data == 2) $data = "Landscape";

                        else if($data == 4) $data = "Sports";

                        else if($data == 5) $data = "Night";

                        else if($data == 6) $data = "Program AE";

                        else if($data == 256) $data = "Aperture Prority AE";

                        else if($data == 512) $data = "Shutter Prority";

                        else if($data == 768) $data = "Manual Exposure";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1100") { //ContinuousTakingBracket

                        if($data == 0) $data = "Off";

                        else if($data == 1) $data = "On";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1300") { //BlurWarning

                        if($data == 0) $data = "No Warning";

                        else if($data == 1) $data = "Warning";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1301") { //FocusWarning

                        if($data == 0) $data = "Auto Focus Good";

                        else if($data == 1) $data = "Out of Focus";

                        else $data = "Unknown: ".$data;

                }

                if($tag=="1302") { //AEWarning

                        if($data == 0) $data = "AE Good";

                        else if($data == 1) $data = "Over Exposure";

                        else $data = "Unknown: ".$data;

                }

        } else if($type=="UNDEFINED") {







        } else {

                $data = bin2hex($data);

                if($intel==1) $data = intel2Moto($data);

        }



        return $data;

}







//=================

// Fujifilm Special data section

//====================================================================

function parseFujifilm($block,&$result) {



        //if($result['Endien']=="Intel") $intel=1;

        //else $intel=0;

        $intel=1;



        $model = $result['IFD0']['Model'];



        $place=8; //current place

        $offset=8;





        $num = bin2hex(substr($block,$place,4));$place+=4;

        if($intel==1) $num = intel2Moto($num);

        $result['SubIFD']['MakerNote']['Offset'] = hexdec($num);



                //Get number of tags (2 bytes)

        $num = bin2hex(substr($block,$place,2));$place+=2;

        if($intel==1) $num = intel2Moto($num);

        $result['SubIFD']['MakerNote']['MakerNoteNumTags'] = hexdec($num);



        //loop thru all tags  Each field is 12 bytes

        for($i=0;$i<hexdec($num);$i++) {



                        //2 byte tag

                $tag = bin2hex(substr($block,$place,2));$place+=2;

                if($intel==1) $tag = intel2Moto($tag);

                $tag_name = lookup_Fujifilm_tag($tag);



                        //2 byte type

                $type = bin2hex(substr($block,$place,2));$place+=2;

                if($intel==1) $type = intel2Moto($type);

                lookup_type($type,$size);



                        //4 byte count of number of data units

                $count = bin2hex(substr($block,$place,4));$place+=4;

                if($intel==1) $count = intel2Moto($count);

                $bytesofdata = $size*hexdec($count);



                        //4 byte value of data or pointer to data

                $value = substr($block,$place,4);$place+=4;





                if($bytesofdata<=4) {

                        $data = $value;

                } else {

                        $value = bin2hex($value);

                        if($intel==1) $value = intel2Moto($value);

                        $data = substr($block,hexdec($value)-$offset,$bytesofdata*2);

                }

                $formated_data = formatFujifilmData($type,$tag,$intel,$data);



                if($result['VerboseOutput']==1) {

                        $result['SubIFD']['MakerNote'][$tag_name] = $formated_data;

                        if($type=="URATIONAL" || $type=="SRATIONAL" || $type=="USHORT" || $type=="SSHORT" || $type=="ULONG" || $type=="SLONG" || $type=="FLOAT" || $type=="DOUBLE") {

                                $data = bin2hex($data);

                                if($intel==1) $data = intel2Moto($data);

                        }

                        $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['RawData'] = $data;

                        $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['Type'] = $type;

                        $result['SubIFD']['MakerNote'][$tag_name."_Verbose"]['Bytes'] = $bytesofdata;

                } else {

                        $result['SubIFD']['MakerNote'][$tag_name] = $formated_data;

                }

        }

}





?>