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<?php
/*************************
Coppermine Photo Gallery
************************
Copyright (c) 2003-2008 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 version 3
as published by the Free Software Foundation.
********************************************
Coppermine version: 1.4.18
$HeadURL: https://coppermine.svn.sourceforge.net/svnroot/coppermine/trunk/cpg1.4.x/include/makers/canon.php $
$Revision: 4380 $
$Author: gaugau $
$Date: 2008-04-12 12:00:19 +0200 (Sa, 12 Apr 2008) $
**********************************************/
/*
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
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_Canon_tag($tag) {
switch($tag) {
case "0001": $tag = "Settings 1";break;
case "0004": $tag = "Settings 4";break;
case "0006": $tag = "ImageType";break;
case "0007": $tag = "FirmwareVersion";break;
case "0008": $tag = "ImageNumber";break;
case "0009": $tag = "OwnerName";break;
case "000c": $tag = "CameraSerialNumber";break;
case "000f": $tag = "CustomFunctions";break;
default: $tag = "unknown:".$tag;break;
}
return $tag;
}
//=================
// Formats Data for the data type
//====================================================================
function formatCanonData($type,$tag,$intel,$data,&$result) {
$place = 0;
if($type=="ASCII") {
$result = $data;
} else if($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=="0204") { //DigitalZoom
$data=$data."x";
}
} else if($type=="USHORT" || $type=="SSHORT" || $type=="ULONG" || $type=="SLONG" || $type=="FLOAT" || $type=="DOUBLE") {
$data = bin2hex($data);
$result['RAWDATA'] = $data;
if($tag=="0001") { //first chunk
$result['Bytes']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//0
$result['Macro']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//1
if($result['Macro']==1) $result['Macro'] = "Macro";
if($result['Macro']==2) $result['Macro'] = "Normal";
$result['SelfTimer']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//2
if($result['SelfTimer']==0) $result['SelfTimer'] = "Off";
$result['Quality']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//3
if($result['Quality']==2) $result['Quality'] = "Normal";
if($result['Quality']==3) $result['Quality'] = "Fine";
if($result['Quality']==5) $result['Quality'] = "Superfine";
$result['Flash']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//4
if($result['Flash']==0) $result['Flash'] = "Off";
if($result['Flash']==1) $result['Flash'] = "Auto";
if($result['Flash']==2) $result['Flash'] = "On";
if($result['Flash']==3) $result['Flash'] = "Red Eye Reduction";
if($result['Flash']==4) $result['Flash'] = "Slow Synchro";
if($result['Flash']==5) $result['Flash'] = "Auto + Red Eye Reduction";
if($result['Flash']==6) $result['Flash'] = "On + Red Eye Reduction";
if($result['Flash']==16) $result['Flash'] = "External Flash";
$result['DriveMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//5
if($result['DriveMode']==0) $result['DriveMode'] = "Single/Timer";
if($result['DriveMode']==1) $result['DriveMode'] = "Continuous";
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//6
$result['FocusMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//7
if($result['FocusMode']==0) $result['FocusMode'] = "One-Shot";
if($result['FocusMode']==1) $result['FocusMode'] = "AI Servo";
if($result['FocusMode']==2) $result['FocusMode'] = "AI Focus";
if($result['FocusMode']==3) $result['FocusMode'] = "Manual Focus";
if($result['FocusMode']==4) $result['FocusMode'] = "Single";
if($result['FocusMode']==5) $result['FocusMode'] = "Continuous";
if($result['FocusMode']==6) $result['FocusMode'] = "Manual Focus";
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//8
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//9
$result['ImageSize']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//10
if($result['ImageSize']==0) $result['ImageSize'] = "Large";
if($result['ImageSize']==1) $result['ImageSize'] = "Medium";
if($result['ImageSize']==2) $result['ImageSize'] = "Small";
$result['EasyShooting']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//11
if($result['EasyShooting']==0) $result['EasyShooting'] = "Full Auto";
if($result['EasyShooting']==1) $result['EasyShooting'] = "Manual";
if($result['EasyShooting']==2) $result['EasyShooting'] = "Landscape";
if($result['EasyShooting']==3) $result['EasyShooting'] = "Fast Shutter";
if($result['EasyShooting']==4) $result['EasyShooting'] = "Slow Shutter";
if($result['EasyShooting']==5) $result['EasyShooting'] = "Night";
if($result['EasyShooting']==6) $result['EasyShooting'] = "Black & White";
if($result['EasyShooting']==7) $result['EasyShooting'] = "Sepia";
if($result['EasyShooting']==8) $result['EasyShooting'] = "Portrait";
if($result['EasyShooting']==9) $result['EasyShooting'] = "Sport";
if($result['EasyShooting']==10) $result['EasyShooting'] = "Macro/Close-Up";
if($result['EasyShooting']==11) $result['EasyShooting'] = "Pan Focus";
$result['DigitalZoom']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//12
if($result['DigitalZoom']==0) $result['DigitalZoom'] = "No Digital Zoom";
if($result['DigitalZoom']==1) $result['DigitalZoom'] = "2x";
if($result['DigitalZoom']==2) $result['DigitalZoom'] = "4x";
if($result['DigitalZoom']==65535) $result['DigitalZoom'] = "No Digital Zoom";
$result['Contrast']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//13
if($result['Contrast']==0) $result['Contrast'] = "Normal";
if($result['Contrast']==1) $result['Contrast'] = "High";
if($result['Contrast']==65535) $result['Contrast'] = "Low";
$result['Saturation']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//14
if($result['Saturation']==0) $result['Saturation'] = "Normal";
if($result['Saturation']==1) $result['Saturation'] = "High";
if($result['Saturation']==65535) $result['Saturation'] = "Low";
$result['Sharpness']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//15
if($result['Sharpness']==0) $result['Sharpness'] = "Normal";
if($result['Sharpness']==1) $result['Sharpness'] = "High";
if($result['Sharpness']==65535) $result['Sharpness'] = "Low";
$result['ISO']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//16
if($result['ISO']==15) $result['ISO'] = "Auto";
if($result['ISO']==16) $result['ISO'] = "50";
if($result['ISO']==17) $result['ISO'] = "100";
if($result['ISO']==18) $result['ISO'] = "200";
if($result['ISO']==19) $result['ISO'] = "400";
$result['MeteringMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//17
if($result['MeteringMode']==3) $result['MeteringMode'] = "Evaluative";
if($result['MeteringMode']==4) $result['MeteringMode'] = "Partial";
if($result['MeteringMode']==5) $result['MeteringMode'] = "Center-weighted";
$result['FocusType']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//18
if($result['FocusType']==0) $result['FocusType'] = "Manual";
if($result['FocusType']==1) $result['FocusType'] = "Auto";
if($result['FocusType']==3) $result['FocusType'] = "Close-up (Macro)";
if($result['FocusType']==8) $result['FocusType'] = "Locked (Pan Mode)";
$result['AFPointSelected']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//19
if($result['AFPointSelected']==12288) $result['AFPointSelected'] = "Manual Focus";
if($result['AFPointSelected']==12289) $result['AFPointSelected'] = "Auto Selected";
if($result['AFPointSelected']==12290) $result['AFPointSelected'] = "Right";
if($result['AFPointSelected']==12291) $result['AFPointSelected'] = "Center";
if($result['AFPointSelected']==12292) $result['AFPointSelected'] = "Left";
$result['ExposureMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//20
if($result['ExposureMode']==0) $result['ExposureMode'] = "EasyShoot";
if($result['ExposureMode']==1) $result['ExposureMode'] = "Program";
if($result['ExposureMode']==2) $result['ExposureMode'] = "Tv";
if($result['ExposureMode']==3) $result['ExposureMode'] = "Av";
if($result['ExposureMode']==4) $result['ExposureMode'] = "Manual";
if($result['ExposureMode']==5) $result['ExposureMode'] = "Auto-DEP";
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//21
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//22
$result['LongFocalLength']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//23
$result['ShortFocalLength']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//24
$result['FocalUnits']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//25
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//26
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//27
$result['FlashActivity']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//28
if($result['FlashActivity']==0) $result['FlashActivity'] = "Flash Did Not Fire";
if($result['FlashActivity']==1) $result['FlashActivity'] = "Flash Fired";
$result['FlashDetails']=str_pad(base_convert(intel2Moto(substr($data,$place,4)), 16, 2), 16, "0", STR_PAD_LEFT);$place+=4;//29
$flashDetails = array();
if (substr($result['FlashDetails'], 1, 1) == 1) { $flashDetails[] = 'External E-TTL'; }
if (substr($result['FlashDetails'], 2, 1) == 1) { $flashDetails[] = 'Internal Flash'; }
if (substr($result['FlashDetails'], 4, 1) == 1) { $flashDetails[] = 'FP sync used'; }
if (substr($result['FlashDetails'], 8, 1) == 1) { $flashDetails[] = '2nd("rear")-curtin sync used'; }
if (substr($result['FlashDetails'], 12, 1) == 1) { $flashDetails[] = '1st curtin sync'; }
$result['FlashDetails']=implode(",", $flashDetails);
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//30
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//31
$result['FocusMode']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//32
} else if($tag=="0004") { //second chunk
$result['Bytes']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//0
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//1
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//2
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//3
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//4
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//5
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//6
$result['WhiteBalance']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//7
if($result['WhiteBalance']==0) $result['WhiteBalance'] = "Auto";
if($result['WhiteBalance']==1) $result['WhiteBalance'] = "Sunny";
if($result['WhiteBalance']==2) $result['WhiteBalance'] = "Cloudy";
if($result['WhiteBalance']==3) $result['WhiteBalance'] = "Tungsten";
if($result['WhiteBalance']==4) $result['WhiteBalance'] = "Flourescent";
if($result['WhiteBalance']==5) $result['WhiteBalance'] = "Flash";
if($result['WhiteBalance']==6) $result['WhiteBalance'] = "Custom";
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//8
$result['SequenceNumber']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//9
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//10
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//11
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//12
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//13
$result['AFPointUsed']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//14
$result['FlashBias']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//15
$result['FlashBias'].="EV";//15
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//16
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//17
$result['Unknown']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//18
$result['SubjectDistance']=hexdec(intel2Moto(substr($data,$place,4)));$place+=4;//19
} else if($tag=="0008") { //image number
if($intel==1) $data = intel2Moto($data);
$data=hexdec($data);
$result = round($data/1000)."-".$data%1000;
} else if($tag=="000c") { //camera serial number
if($intel==1) $data = intel2Moto($data);
$data=hexdec($data);
$result = "#".bin2hex(substr($data,0,16)).substr($data,16,16);
}
} else if($type=="UNDEFINED") {
} else {
$data = bin2hex($data);
if($intel==1) $data = intel2Moto($data);
}
return $data;
}
//=================
// Cannon Special data section
// Useful: http://www.burren.cx/david/canon.html
// http://www.burren.cx/david/canon.html
// http://www.ozhiker.com/electronics/pjmt/jpeg_info/canon_mn.html
//====================================================================
function parseCanon($block,&$result,$seek, $globalOffset) {
$place = 0; //current place
if($result['Endien']=="Intel") $intel=1;
else $intel=0;
$model = $result['IFD0']['Model'];
//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);
$tag_name = lookup_Canon_tag($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);
if($bytesofdata<=0) {
return; //if this value is 0 or less then we have read all the tags we can
}
//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);
$v = fseek($seek,$globalOffset+hexdec($value)); //offsets are from TIFF header which is 12 bytes from the start of the file
if($v==0) {
$data = fread($seek, $bytesofdata);
} else if($v==-1) {
$result['Errors'] = $result['Errors']++;
}
}
$formated_data = formatCanonData($type,$tag,$intel,$data,$result['SubIFD']['MakerNote'][$tag_name]);
if($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;
}
}
}
?>
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