function get_EXIF_TIFF($filename)
{
// Change: Added as of version 1.11
// Check if a wrapper is being used - these are not currently supported (see notes at top of file)
if (stristr($filename, "http://") != FALSE || stristr($filename, "ftp://") != FALSE) {
// A HTTP or FTP wrapper is being used - show a warning and abort
echo "HTTP and FTP wrappers are currently not supported with TIFF - See EXIF/TIFF functionality documentation - a local file must be specified<br>";
echo "To work on an internet file, copy it locally to start with:<br><br>\n";
echo "\$newfilename = tempnam ( \$dir, \"tmptiff\" );<br>\n";
echo "copy ( \"http://whatever.com\", \$newfilename );<br><br>\n";
return FALSE;
}
$filehnd = @fopen($filename, 'rb');
// Check if the file opened successfully
if (!$filehnd) {
// Could't open the file - exit
echo "<p>Could not open file {$filename}</p>\n";
return FALSE;
}
// Decode the Exif segment into an array and return it
$exif_data = process_TIFF_Header($filehnd, "TIFF");
// Close File
fclose($filehnd);
return $exif_data;
}
function get_Nikon_Makernote($Makernote_Tag, $EXIF_Array, $filehnd, $Make_Field)
{
// Check if the Make Field contains the word Nikon
if (stristr($Make_Field, "Nikon") === FALSE) {
// Nikon not found in maker field - abort
return FALSE;
}
// Check if the header exists at the start of the Makernote
if (substr($Makernote_Tag['Data'], 0, 8) == "Nikon") {
// Nikon Type 1 Makernote
// Seek to the start of the IFD
fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 8);
// Read the IFD(s) into an array
$Makernote_Tag['Decoded Data'] = read_Multiple_IFDs($filehnd, $Makernote_Tag['Tiff Offset'], $Makernote_Tag['ByteAlign'], "Nikon Type 1");
// Save some information into the Tag element to aid interpretation
$Makernote_Tag['Decoded'] = TRUE;
$Makernote_Tag['Makernote Type'] = "Nikon Type 1";
$Makernote_Tag['Makernote Tags'] = "Nikon Type 1";
// Return the new tag
return $Makernote_Tag;
} else {
if (substr($Makernote_Tag['Data'], 0, 10) == "Nikon" || substr($Makernote_Tag['Data'], 0, 10) == "Nikon") {
// Nikon Type 3 Makernote
// Seek to the start of the IFD
fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 10);
// Read the TIFF header and IFD(s) into an array
$Makernote_Tag['Decoded Data'] = process_TIFF_Header($filehnd, "Nikon Type 3");
// Save some information into the Tag element to aid interpretation
$Makernote_Tag['Makernote Type'] = "Nikon Type 3";
$Makernote_Tag['Makernote Tags'] = "Nikon Type 3";
$Makernote_Tag['Decoded'] = TRUE;
// Return the new tag
return $Makernote_Tag;
} else {
if (substr($Makernote_Tag['Data'], 0, 8) == "FUJIFILM") {
// Fuji Makernote - used by Nikon Coolpix 775
// Let the Fujifilm library handle it
return False;
} else {
// No header - Nikon Type 2
// Seek to the start of the IFD
fseek($filehnd, $Makernote_Tag['Tiff Offset'] + $Makernote_Tag['Offset'] + 0);
// Read the IFD(s) into an array
$Makernote_Tag['Decoded Data'] = read_Multiple_IFDs($filehnd, $Makernote_Tag['Tiff Offset'], $Makernote_Tag['ByteAlign'], "Nikon Type 3");
// Save some information into the Tag element to aid interpretation
$Makernote_Tag['Decoded'] = TRUE;
$Makernote_Tag['Makernote Type'] = "Nikon Type 2";
$Makernote_Tag['Makernote Tags'] = "Nikon Type 3";
// Return the new tag
return $Makernote_Tag;
}
}
}
// Shouldn't get here
return FALSE;
}
function get_EXIF_TIFF($filename)
{
$filehnd = @fopen($filename, 'rb');
// Check if the file opened successfully
if (!$filehnd) {
// Could't open the file - exit
echo "<p>Could not open file {$filename}</p>\n";
return FALSE;
}
// Decode the Exif segment into an array and return it
$exif_data = process_TIFF_Header($filehnd, "TIFF");
// Close File
fclose($filehnd);
return $exif_data;
}
