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Diffstat (limited to 'modules/exif/lib/makers/sanyo.php')
| -rw-r--r-- | modules/exif/lib/makers/sanyo.php | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/modules/exif/lib/makers/sanyo.php b/modules/exif/lib/makers/sanyo.php new file mode 100644 index 00000000..340e442d --- /dev/null +++ b/modules/exif/lib/makers/sanyo.php @@ -0,0 +1,167 @@ +<?php //================================================================================================ +//================================================================================================ +//================================================================================================ +/* + 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_Sanyo_tag($tag) { + + switch($tag) { + case "0200": $tag = "SpecialMode";break; + case "0201": $tag = "Quality";break; + case "0202": $tag = "Macro";break; + case "0203": $tag = "Unknown";break; + case "0204": $tag = "DigiZoom";break; + case "0f00": $tag = "DataDump";break; + default: $tag = "unknown:".$tag;break; + } + + return $tag; +} + +//================= +// Formats Data for the data type +//==================================================================== +function formatSanyoData($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."/".$bottom; + + + } else if($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($tag=="0200") { //SpecialMode + if($data == 0) $data = gettext("Normal"); + else $data = gettext("Unknown").": ".$data; + } + if($tag=="0201") { //Quality + if($data == 2) $data = gettext("High"); + else $data = gettext("Unknown").": ".$data; + } + if($tag=="0202") { //Macro + if($data == 0) $data = gettext("Normal"); + else $data = gettext("Unknown").": ".$data; + } + } else if($type=="UNDEFINED") { + + + + } else { + $data = bin2hex($data); + if($intel==1) $data = intel2Moto($data); + } + + return $data; +} + + + +//================= +// Sanyo Special data section +//==================================================================== +function parseSanyo($block,&$result,$seek, $globalOffset) { + + if($result['Endien']=="Intel") $intel=1; + else $intel=0; + + $model = $result['IFD0']['Model']; + + $place=8; //current place + $offset=8; + + //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); + $tag_name = lookup_Sanyo_tag($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); + $v = fseek($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']++; + } + } + $formated_data = formatSanyoData($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; + } + } +} + + +?>
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