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<?php
/**
* This file is licensed under the GPL as stated in Jake Olefsky's original
* code. Jake has given Horde permission to incorporate Exifer into our
* codebase.
*
* 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.horde.org/licenses/gpl
*
* The original Exifer library has been heavily modified and refactored. All
* modifications are
*
* Copyright 2003 Jake Olefsky
* Copyright 2009-2017 Horde LLC (http://www.horde.org/)
*
* @author Jake Olefsky <jake@olefsky.com>
* @author Michael J. Rubinsky <mrubinsk@horde.org>
* @author Jan Schneider <jan@horde.org>
* @category Horde
* @package Image
*/
/**
* Class for dealing with Exif data using a bundled PHP library based on the
* Exifer code written by and Copyright 2003 Jake Olefsky
*
* @see http://www.offsky.com/software/exif/index.php
* @author Jake Olefsky <jake@olefsky.com>
* @author Michael J. Rubinsky <mrubinsk@horde.org>
* @author Jan Schneider <jan@horde.org>
* @category Horde
* @copyright 2009-2017 Horde LLC
* @package Image
*/
class Horde_Image_Exif_Parser_Fujifilm extends Horde_Image_Exif_Parser_Base
{
/**
* Looks up the name of the tag for the MakerNote (Depends on Manufacturer)
*/
protected function _lookupTag($tag)
{
switch ($tag) {
case '0000': return 'Version';
case '1000': return 'Quality';
case '1001': return 'Sharpness';
case '1002': return 'WhiteBalance';
case '1003': return 'Color';
case '1004': return 'Tone';
case '1010': return 'FlashMode';
case '1011': return 'FlashStrength';
case '1020': return 'Macro';
case '1021': return 'FocusMode';
case '1030': return 'SlowSync';
case '1031': return 'PictureMode';
case '1032': return 'Unknown';
case '1100': return 'ContinuousTakingBracket';
case '1200': return 'Unknown';
case '1300': return 'BlurWarning';
case '1301': return 'FocusWarning';
case '1302': return 'AEWarning';
default: return 'unknown:' . $tag;
}
}
/**
*
* @param $type
* @param $tag
* @param $intel
* @param $data
* @return unknown_type
*/
protected function _formatData($type, $tag, $intel, $data)
{
switch ($type) {
case 'ASCII':
case 'UNDEFINED':
break;
case 'URATIONAL':
case 'SRATIONAL':
$data = bin2hex($data);
if ($intel) {
$data = Horde_Image_Exif::intel2Moto($data);
}
$top = hexdec(substr($data, 8, 8));
$bottom = hexdec(substr($data, 0, 8));
if ($bottom) {
$data = $top / $bottom;
} elseif (!$top) {
$data = 0;
} else {
$data = $top . '/' . $bottom;
}
if ($tag == '1011') {
//FlashStrength
$data = $data . ' EV';
}
break;
case 'USHORT':
case 'SSHORT':
case 'ULONG':
case 'SLONG':
case 'FLOAT':
case 'DOUBLE':
$data = bin2hex($data);
if ($intel) {
$data = Horde_Image_Exif::intel2Moto($data);
}
$data = hexdec($data);
switch ($tag) {
case '1001':
//Sharpness
switch ($data) {
case 1: $data = Horde_Image_Translation::t("Soft"); break;
case 2: $data = Horde_Image_Translation::t("Soft"); break;
case 3: $data = Horde_Image_Translation::t("Normal"); break;
case 4: $data = Horde_Image_Translation::t("Hard"); break;
case 5: $data = Horde_Image_Translation::t("Hard"); break;
default: $data = Horde_Image_Translation::t("Unknown") . ': ' . $data; break;
}
break;
case '1002':
//WhiteBalance
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Auto"); break;
case 256: $data = Horde_Image_Translation::t("Daylight"); break;
case 512: $data = Horde_Image_Translation::t("Cloudy"); break;
case 768: $data = Horde_Image_Translation::t("DaylightColor-fluorescence"); break;
case 769: $data = Horde_Image_Translation::t("DaywhiteColor-fluorescence"); break;
case 770: $data = Horde_Image_Translation::t("White-fluorescence"); break;
case 1024: $data = Horde_Image_Translation::t("Incandescense"); break;
case 3840: $data = Horde_Image_Translation::t("Custom"); break;
default: $data = Horde_Image_Translation::t("Unknown") . ': ' . $data; break;
}
break;
case '1003':
//Color
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Chroma Saturation Normal(STD)"); break;
case 256: $data = Horde_Image_Translation::t("Chroma Saturation High"); break;
case 512: $data = Horde_Image_Translation::t("Chroma Saturation Low(ORG)"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1004':
//Tone
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Contrast Normal(STD)"); break;
case 256: $data = Horde_Image_Translation::t("Contrast High(HARD)"); break;
case 512: $data = Horde_Image_Translation::t("Contrast Low(ORG)"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1010':
//FlashMode
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Auto"); break;
case 1: $data = Horde_Image_Translation::t("On"); break;
case 2: $data = Horde_Image_Translation::t("Off"); break;
case 3: $data = Horde_Image_Translation::t("Red-Eye Reduction"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1020':
//Macro
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Off"); break;
case 1: $data = Horde_Image_Translation::t("On"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1021':
//FocusMode
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Auto"); break;
case 1: $data = Horde_Image_Translation::t("Manual"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1030':
//SlowSync
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Off"); break;
case 1: $data = Horde_Image_Translation::t("On"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1031':
//PictureMode
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Auto"); break;
case 1: $data = Horde_Image_Translation::t("Portrait"); break;
case 2: $data = Horde_Image_Translation::t("Landscape"); break;
case 4: $data = Horde_Image_Translation::t("Sports"); break;
case 5: $data = Horde_Image_Translation::t("Night"); break;
case 6: $data = Horde_Image_Translation::t("Program AE"); break;
case 256: $data = Horde_Image_Translation::t("Aperture Prority AE"); break;
case 512: $data = Horde_Image_Translation::t("Shutter Priority"); break;
case 768: $data = Horde_Image_Translation::t("Manual Exposure"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1100':
//ContinuousTakingBracket
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Off"); break;
case 1: $data = Horde_Image_Translation::t("On"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1300':
//BlurWarning
switch ($data) {
case 0: $data = Horde_Image_Translation::t("No Warning"); break;
case 1: $data = Horde_Image_Translation::t("Warning"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1301':
//FocusWarning
switch ($data) {
case 0: $data = Horde_Image_Translation::t("Auto Focus Good"); break;
case 1: $data = Horde_Image_Translation::t("Out of Focus"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
case '1302':
//AEWarning
switch ($data) {
case 0: $data = Horde_Image_Translation::t("AE Good"); break;
case 1: $data = Horde_Image_Translation::t("Over Exposure"); break;
default: $data = Horde_Image_Translation::t("Unknown: ") . $data; break;
}
break;
}
break;
default:
$data = bin2hex($data);
if ($intel) {
$data = Horde_Image_Exif::intel2Moto($data);
}
break;
}
return $data;
}
/**
*
* @param $block
* @param $result
* @return unknown_type
*/
public function parse($block, &$result)
{
$intel = true;
$model = $result['IFD0']['Model'];
//current place
$place = 8;
$offset = 8;
$num = bin2hex(substr($block, $place, 4));
$place += 4;
if ($intel) {
$num = Horde_Image_Exif::intel2Moto($num);
}
$result['SubIFD']['MakerNote']['Offset'] = hexdec($num);
//Get number of tags (2 bytes)
$num = bin2hex(substr($block, $place, 2));
$place += 2;
if ($intel) {
$num = Horde_Image_Exif::intel2Moto($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) {
$tag = Horde_Image_Exif::intel2Moto($tag);
}
$tag_name = $this->_lookupTag($tag);
//2 byte type
$type = bin2hex(substr($block, $place, 2));
$place += 2;
if ($intel) {
$type = Horde_Image_Exif::intel2Moto($type);
}
list($type, $size) = $this->_lookupType($type);
//4 byte count of number of data units
$count = bin2hex(substr($block, $place, 4));
$place += 4;
if ($intel) {
$count = Horde_Image_Exif::intel2Moto($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) {
$value = Horde_Image_Exif::intel2Moto($value);
}
$data = substr($block, hexdec($value) - $offset, $bytesofdata * 2);
}
$formated_data = $this->_formatData($type, $tag, $intel, $data);
$result['SubIFD']['MakerNote'][$tag_name] = $formated_data;
}
}
}
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