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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/exif_php.inc.php $
$Revision: 4380 $
$Author: gaugau $
$Date: 2008-04-12 12:00:19 +0200 (Sa, 12 Apr 2008) $
**********************************************/
if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');
define("EXIF_CACHE_FILE","exif.dat");
require("include/exif.php");
function exif_parse_file($filename)
{
global $CONFIG, $lang_picinfo;
//String containing all the available exif tags.
$exif_info = "AFFocusPosition|Adapter|ColorMode|ColorSpace|ComponentsConfiguration|CompressedBitsPerPixel|Contrast|CustomerRender|DateTimeOriginal|DateTimedigitized|DigitalZoom|DigitalZoomRatio|ExifImageHeight|ExifImageWidth|ExifInteroperabilityOffset|ExifOffset|ExifVersion|ExposureBiasValue|ExposureMode|ExposureProgram|ExposureTime|FNumber|FileSource|Flash|FlashPixVersion|FlashSetting|FocalLength|FocusMode|GainControl|IFD1Offset|ISOSelection|ISOSetting|ISOSpeedRatings|ImageAdjustment|ImageDescription|ImageSharpening|LightSource|Make|ManualFocusDistance|MaxApertureValue|MeteringMode|Model|NoiseReduction|Orientation|Quality|ResolutionUnit|Saturation|SceneCaptureMode|SceneType|Sharpness|Software|WhiteBalance|YCbCrPositioning|xResolution|yResolution";
if (!is_readable($filename)) return false;
$size = @getimagesize($filename);
if ($size[2] != 2) return false; // Not a JPEG file
$exifRawData = explode ("|",$exif_info);
$exifCurrentData = explode("|",$CONFIG['show_which_exif']);
//Let's build the string of current exif values to be shown
$showExifStr = "";
foreach ($exifRawData as $key => $val) {
if ($exifCurrentData[$key] == 1) {
$showExifStr .= "|".$val;
}
}
//Check if we have the data of the said file in the table
$sql = "SELECT * FROM {$CONFIG['TABLE_EXIF']} ".
"WHERE filename='".addslashes($filename)."'";
$result = cpg_db_query($sql);
if (mysql_num_rows($result) > 0){
$row = mysql_fetch_array($result);
mysql_free_result($result);
$exifRawData = unserialize($row["exifData"]);
} else {
// No data in the table - read it from the image file
$exifRawData = read_exif_data_raw($filename,0);
// Insert it into table for future reference
$sql = "INSERT INTO {$CONFIG['TABLE_EXIF']} ".
"VALUES ('".addslashes($filename)."', '".addslashes(serialize($exifRawData))."')";
$result = cpg_db_query($sql);
}
$exif = array();
if (is_array($exifRawData['IFD0'])) {
$exif = array_merge ($exif,$exifRawData['IFD0']);
}
if (is_array($exifRawData['SubIFD'])) {
$exif = array_merge ($exif,$exifRawData['SubIFD']);
}
if (is_array($exifRawData['SubIFD']['MakerNote'])) {
$exif = array_merge ($exif,$exifRawData['SubIFD']['MakerNote']);
}
$exif['IFD1OffSet'] = $exifRawData['IFD1OffSet'];
$exifParsed = array();
foreach ($exif as $key => $val) {
if (strpos($showExifStr,"|".$key) && isset($val)){
$exifParsed[$lang_picinfo[$key]] = $val;
//$exifParsed[$key] = $val;
}
}
ksort($exifParsed);
return $exifParsed;
}
?>
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