function put_photoshop_file_info($jpeg_header_data, $new_ps_file_info_array, $Old_Exif_array, $Old_XMP_array, $Old_IRB_array)
{
/*******************************************/
// PREPROCESSING
// Check that the date is in the correct format (YYYY-MM-DD)
// Explode the date into pieces using the - symbol
$date_pieces = explode("-", $new_ps_file_info_array['date']);
// If there are not 3 pieces to the date, it is invalid
if (count($date_pieces) != 3) {
// INVALID DATE
echo "Invalid Date - must be YYYY-MM-DD format<br>";
return FALSE;
}
// Cycle through each piece of the date
foreach ($date_pieces as $piece) {
// If the piece is not numeric, then the date is invalid.
if (!is_numeric($piece)) {
// INVALID DATE
echo "Invalid Date - must be YYYY-MM-DD format<br>";
return FALSE;
}
}
// Make a unix timestamp at midnight on the date specified
$date_stamp = mktime(0, 0, 0, $date_pieces[1], $date_pieces[2], $date_pieces[0]);
// Create a translation table to remove carriage return characters
$trans = array("\r" => "");
// Cycle through each of the File Info elements
foreach ($new_ps_file_info_array as $valkey => $val) {
// If the element is 'Keywords' or 'Supplemental Categories', then
// it is an array, and needs to be treated as one
if ($valkey != 'supplementalcategories' && $valkey != 'keywords') {
// Not Keywords or Supplemental Categories
// Convert escaped HTML characters to UTF8 and remove carriage returns
$new_ps_file_info_array[$valkey] = strtr(HTML_UTF8_UnEscape($val), $trans);
} else {
// Either Keywords or Supplemental Categories
// Cycle through the array,
foreach ($val as $subvalkey => $subval) {
// Convert escaped HTML characters to UTF8 and remove carriage returns
$new_ps_file_info_array[$valkey][$subvalkey] = strtr(HTML_UTF8_UnEscape($subval), $trans);
}
}
}
/*******************************************/
// EXIF Processing
// Check if the EXIF array exists
if ($Old_Exif_array == FALSE) {
// EXIF Array doesn't exist - create a new one
$new_Exif_array = array('Byte_Align' => "MM", 'Makernote_Tag' => false, 'Tags Name' => "TIFF", 0 => array("Tags Name" => "TIFF"));
} else {
// EXIF Array Does Exist - use it
$new_Exif_array = $Old_Exif_array;
}
// Update the EXIF Image Description Tag with the new value
$new_Exif_array[0][270] = array("Tag Name" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][270]['Name'], "Tag Number" => 270, "Data Type" => 2, "Type" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][270]['Type'], "Data" => array(HTML_UTF8_Escape($new_ps_file_info_array['caption'])));
// Update the EXIF Artist Name Tag with the new value
$new_Exif_array[0][315] = array("Tag Name" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][315]['Name'], "Tag Number" => 315, "Data Type" => 2, "Type" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][315]['Type'], "Data" => array(HTML_UTF8_Escape($new_ps_file_info_array['author'])));
// Update the EXIF Copyright Information Tag with the new value
$new_Exif_array[0][33432] = array("Tag Name" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][33432]['Name'], "Tag Number" => 33432, "Data Type" => 2, "Type" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][33432]['Type'], "Data" => array(HTML_UTF8_Escape($new_ps_file_info_array['copyrightnotice'])));
// Photoshop checks if the "Date and Time of Original" and "Date and Time when Digitized" tags exist
// If they don't exist, it means that the EXIF date may be wiped out if it is changed, so Photoshop
// copies the EXIF date to these two tags
if (array_key_exists(306, $new_Exif_array[0]) && array_key_exists(34665, $new_Exif_array[0]) && array_key_exists(0, $new_Exif_array[0][34665])) {
// Replace "Date and Time of Original" if it doesn't exist
if (!array_key_exists(36867, $new_Exif_array[0][34665][0])) {
$new_Exif_array[0][34665][0][36867] = array("Tag Name" => $GLOBALS["IFD_Tag_Definitions"]['EXIF'][36867]['Name'], "Tag Number" => 36867, "Data Type" => 2, "Type" => $GLOBALS["IFD_Tag_Definitions"]['EXIF'][36867]['Type'], "Data" => $new_Exif_array[0][306]['Data']);
}
// Replace "Date and Time when Digitized" if it doesn't exist
if (!array_key_exists(36868, $new_Exif_array[0][34665][0])) {
$new_Exif_array[0][34665][0][36868] = array("Tag Name" => $GLOBALS["IFD_Tag_Definitions"]['EXIF'][36868]['Name'], "Tag Number" => 36868, "Data Type" => 2, "Type" => $GLOBALS["IFD_Tag_Definitions"]['EXIF'][36868]['Type'], "Data" => $new_Exif_array[0][306]['Data']);
}
}
// Photoshop changes the EXIF date Tag (306) to the current date, not the date that was entered in File Info
$exif_date = date("Y:m:d H:i:s");
// Update the EXIF Date and Time Tag with the new value
$new_Exif_array[0][306] = array("Tag Name" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][306]['Name'], "Tag Number" => 306, "Data Type" => 2, "Type" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][306]['Type'], "Data" => array($exif_date));
// Photoshop replaces the EXIF Software or Firmware Tag with "Adobe Photoshop ..."
// This toolkit instead preserves existing value and appends the toolkit name to the end of it
// Check if the EXIF Software or Firmware Tag exists
if (array_key_exists(305, $new_Exif_array[0])) {
// An existing EXIF Software or Firmware Tag was found
// Check if the existing Software or Firmware Tag already contains the Toolkit's name
if (stristr($new_Exif_array[0][305]['Data'][0], $GLOBALS["Software Name"]) == FALSE) {
// Toolkit Name string not found in the existing Software/Firmware string - append it.
$firmware_str = $new_Exif_array[0][305]['Data'][0] . " " . $GLOBALS["Software Name"];
} else {
// Toolkit name already exists in Software/Firmware string - don't put another copy in the string
$firmware_str = $new_Exif_array[0][305]['Data'][0];
}
} else {
// No Software/Firmware string exists - create one
$firmware_str = $GLOBALS["Software Name"];
}
// Update the EXIF Software/Firmware Tag with the new value
$new_Exif_array[0][305] = array("Tag Name" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][305]['Name'], "Tag Number" => 305, "Data Type" => 2, "Type" => $GLOBALS["IFD_Tag_Definitions"]['TIFF'][305]['Type'], "Data" => array(HTML_UTF8_Escape($firmware_str)));
/*******************************************/
// Photoshop IRB Processing
// Check if there is an existing Photoshop IRB array
if ($Old_IRB_array == FALSE) {
// No existing IRB array - create one
$new_IRB_array = array();
} else {
// There is an existing Photoshop IRB array - use it
$new_IRB_array = $Old_IRB_array;
}
// Remove any existing Copyright Flag, URL, or IPTC resources - these will be re-written
foreach ($new_IRB_array as $resno => $res) {
if ($res['ResID'] == 0x40a || $res['ResID'] == 0x40b || $res['ResID'] == 0x404) {
array_splice($new_IRB_array, $resno, 1);
}
}
// Add a new Copyright Flag resource
if ($new_ps_file_info_array['copyrightstatus'] == "Copyrighted Work") {
$PS_copyright_flag = "";
// Copyrighted
} else {
$PS_copyright_flag = "";
// Public domain or Unmarked
}
$new_IRB_array[] = array('ResID' => 0x40a, 'ResName' => $GLOBALS["Photoshop_ID_Names"][0x40a], 'ResDesc' => $GLOBALS["Photoshop_ID_Descriptions"][0x40a], 'ResEmbeddedName' => "", 'ResData' => $PS_copyright_flag);
// Add a new URL resource
$new_IRB_array[] = array('ResID' => 0x40b, 'ResName' => $GLOBALS["Photoshop_ID_Names"][0x40b], 'ResDesc' => $GLOBALS["Photoshop_ID_Descriptions"][0x40b], 'ResEmbeddedName' => "", 'ResData' => $new_ps_file_info_array['ownerurl']);
// Create IPTC resource
// IPTC requires date to be in the following format YYYYMMDD
$iptc_date = date("Ymd", $date_stamp);
// Create the new IPTC array
$new_IPTC_array = array(0 => array('IPTC_Type' => '2:00', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:00'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:00'], 'RecData' => ""), 1 => array('IPTC_Type' => '2:120', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:120'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:120'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['caption']), 0, 2000)), 2 => array('IPTC_Type' => '2:122', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:122'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:122'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['captionwriter']), 0, 32)), 3 => array('IPTC_Type' => '2:105', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:105'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:105'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['headline']), 0, 256)), 4 => array('IPTC_Type' => '2:40', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:40'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:40'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['instructions']), 0, 256)), 5 => array('IPTC_Type' => '2:80', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:80'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:80'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['author']), 0, 32)), 6 => array('IPTC_Type' => '2:85', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:85'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:85'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['authorsposition']), 0, 32)), 7 => array('IPTC_Type' => '2:110', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:110'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:110'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['credit']), 0, 32)), 8 => array('IPTC_Type' => '2:115', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:115'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:115'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['source']), 0, 32)), 9 => array('IPTC_Type' => '2:05', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:05'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:05'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['title']), 0, 64)), 10 => array('IPTC_Type' => '2:55', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:55'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:55'], 'RecData' => "{$iptc_date}"), 11 => array('IPTC_Type' => '2:90', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:90'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:90'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['city']), 0, 32)), 12 => array('IPTC_Type' => '2:95', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:95'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:95'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['state']), 0, 32)), 13 => array('IPTC_Type' => '2:101', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:101'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:101'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['country']), 0, 64)), 14 => array('IPTC_Type' => '2:103', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:103'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:103'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['transmissionreference']), 0, 32)), 15 => array('IPTC_Type' => '2:15', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:15'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:15'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['category']), 0, 3)), 21 => array('IPTC_Type' => '2:116', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:10'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:10'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['copyrightnotice']), 0, 128)));
// Check the value of urgency is valid
if ($new_ps_file_info_array['urgency'] > 0 && $new_ps_file_info_array['urgency'] < 9) {
// Add the Urgency item to the IPTC array
$new_IPTC_array[] = array('IPTC_Type' => '2:10', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:10'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:10'], 'RecData' => substr(HTML_UTF8_Escape($new_ps_file_info_array['urgency']), 0, 1));
}
// Cycle through the Supplemental Categories,
foreach ($new_ps_file_info_array['supplementalcategories'] as $supcat) {
// Add this Supplemental Category to the IPTC array
$new_IPTC_array[] = array('IPTC_Type' => '2:20', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:20'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:20'], 'RecData' => HTML_UTF8_Escape($supcat));
}
// Cycle through the Keywords,
foreach ($new_ps_file_info_array['keywords'] as $keyword) {
// Add this Keyword to the IPTC array
$new_IPTC_array[] = array('IPTC_Type' => '2:25', 'RecName' => $GLOBALS["IPTC_Entry_Names"]['2:25'], 'RecDesc' => $GLOBALS["IPTC_Entry_Descriptions"]['2:25'], 'RecData' => $keyword);
}
/***********************************/
// XMP Processing
// Check if XMP existed previously
if ($Old_XMP_array == FALSE) {
// XMP didn't exist - create a new one based on a blank structure
$new_XMP_array = XMP_Check($GLOBALS['Blank XMP Structure'], array());
} else {
// XMP does exist
// Some old XMP processors used x:xapmeta, check for this
if ($Old_XMP_array[0]['tag'] == 'x:xapmeta') {
// x:xapmeta found - change it to x:xmpmeta
$Old_XMP_array[0]['tag'] = 'x:xmpmeta';
}
// Ensure that the existing XMP has all required fields, and add any that are missing
$new_XMP_array = XMP_Check($GLOBALS['Blank XMP Structure'], $Old_XMP_array);
}
// Process the XMP Photoshop block
// Find the Photoshop Information within the XMP block
$photoshop_block =& find_XMP_block($new_XMP_array, "photoshop");
// The Photoshop CaptionWriter tag contains captionwriter - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:CaptionWriter");
$Item['value'] = $new_ps_file_info_array['captionwriter'];
// The Photoshop Category tag contains category - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:Category");
$Item['value'] = $new_ps_file_info_array['category'];
// The Photoshop DateCreated tag contains date - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:DateCreated");
$Item['value'] = $new_ps_file_info_array['date'];
// The Photoshop City tag contains city - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:City");
$Item['value'] = $new_ps_file_info_array['city'];
// The Photoshop State tag contains state - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:State");
$Item['value'] = $new_ps_file_info_array['state'];
// The Photoshop Country tag contains country - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:Country");
$Item['value'] = $new_ps_file_info_array['country'];
// The Photoshop AuthorsPosition tag contains authorsposition - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:AuthorsPosition");
$Item['value'] = $new_ps_file_info_array['authorsposition'];
// The Photoshop Credit tag contains credit - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:Credit");
$Item['value'] = $new_ps_file_info_array['credit'];
// The Photoshop Source tag contains source - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:Source");
$Item['value'] = $new_ps_file_info_array['source'];
// The Photoshop Headline tag contains headline - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:Headline");
$Item['value'] = $new_ps_file_info_array['headline'];
// The Photoshop Instructions tag contains instructions - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:Instructions");
$Item['value'] = $new_ps_file_info_array['instructions'];
// The Photoshop TransmissionReference tag contains transmissionreference - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:TransmissionReference");
$Item['value'] = $new_ps_file_info_array['transmissionreference'];
// The Photoshop Urgency tag contains urgency - Find it and Update the value
$Item =& find_XMP_item($photoshop_block, "photoshop:Urgency");
$Item['value'] = $new_ps_file_info_array['urgency'];
// The Photoshop SupplementalCategories tag contains supplementalcategories - Find it
$Item =& find_XMP_item($photoshop_block, "photoshop:SupplementalCategories");
// Create an array to receive the XML list items for the Supplemental Categories
$new_supcat_array = array();
// Cycle through the Supplemental Categories
foreach ($new_ps_file_info_array['supplementalcategories'] as $sup_category) {
// Add a new list item for this Supplemental Category
$new_supcat_array[] = array('tag' => 'rdf:li', 'value' => $sup_category);
}
// Add the array of Supplemental Category List Items to the Photoshop SupplementalCategories tag
$Item['children'][0]['children'] = $new_supcat_array;
// Process the XMP XAP block
// Find the XAP Information within the XMP block
$XAP_block =& find_XMP_block($new_XMP_array, "xap");
// The XAP CreateDate tag contains date XMP was first created - Find it and Update the value
$Item =& find_XMP_item($XAP_block, "xap:CreateDate");
// Check if the CreateDate is blank
if ($Item['value'] == "") {
// CreateDate is blank - we must have just added it - set it to the current date
$Item['value'] = date("Y-m-d\\TH:i:s");
$Item['value'] .= get_Local_Timezone_Offset();
}
// The XAP ModifyDate tag contains last resource change date - Find it and Update the value to the current date
$Item =& find_XMP_item($XAP_block, "xap:ModifyDate");
$Item['value'] = date("Y-m-d\\TH:i:s");
$Item['value'] .= get_Local_Timezone_Offset();
// The XAP ModifyDate tag contains last XMP change date - Find it and Update the value to the current date
$Item =& find_XMP_item($XAP_block, "xap:MetadataDate");
$Item['value'] = date("Y-m-d\\TH:i:s");
$Item['value'] .= get_Local_Timezone_Offset();
// The XAP CreatorTool tag contains name of the software editor - Find it
$Item =& find_XMP_item($XAP_block, "xap:CreatorTool");
// Photoshop replaces the CreatorTool with "Adobe Photoshop ..."
// This toolkit instead preserves existing value and appends the toolkit name to the end of it
// Check if a CreatorTool already exists
if ($Item['value'] != "") {
// An existing CreatorTool was found
// Check if the existing CreatorTool already contains the Toolkit's name
if (stristr($Item['value'], $GLOBALS["Software Name"]) == FALSE) {
// Toolkit Name string not found in the existing CreatorTool string - append it.
$Item['value'] = $Item['value'] . " " . $GLOBALS["Software Name"];
} else {
// Toolkit name already exists in CreatorTool string - leave as is
}
} else {
// No CreatorTool string exists - create one
$Item['value'] = $GLOBALS["Software Name"];
}
// Process the XMP Basic Job Information block
// Find the XAP Basic Job Information within the XMP block
$XAPBJ_block =& find_XMP_block($new_XMP_array, "xapBJ");
// The XAP Basic Job JobRef tag contains urgency - Find it and Update the value
$Item =& find_XMP_item($XAPBJ_block, "xapBJ:JobRef");
$Item['children'][0]['children'] = array(array('tag' => 'rdf:li', 'attributes' => array('rdf:parseType' => 'Resource'), 'children' => array(0 => array('tag' => 'stJob:name', 'value' => $new_ps_file_info_array['jobname']))));
// Process the XMP XAP Rights Information block
// Find the XAP Rights Information within the XMP block
$XAPRights_block =& find_XMP_block($new_XMP_array, "xapRights");
// The XAP Rights Marked tag should only be present if copyrightstatus is 'Copyrighted Work' or 'Public Domain'
// If copyrightstatus 'Unmarked' or anything else, the XAP Rights Marked tag should be missing
// Remove any existing XAP Rights Marked tags - they will be replaced
foreach ($XAPRights_block as $tagno => $tag) {
if ($tag['tag'] == "xapRights:Marked") {
array_splice($XAPRights_block, $tagno, 1);
}
}
// Check the value of the copyrightstatus flag
if ($new_ps_file_info_array['copyrightstatus'] == "Copyrighted Work") {
// Copyrighted - add the tag
$XAPRights_block[] = array('tag' => 'xapRights:Marked', 'value' => 'True');
} else {
if ($new_ps_file_info_array['copyrightstatus'] == "Public Domain") {
// Public domain - add the tag
$XAPRights_block[] = array('tag' => 'xapRights:Marked', 'value' => 'False');
} else {
// Unmarked or Other - Do nothing - don't add a Marked tag
}
}
// The XAP Rights WebStatement tag contains ownerurl - Find it and Update the value
$Item =& find_XMP_item($XAPRights_block, "xapRights:WebStatement");
$Item['value'] = $new_ps_file_info_array['ownerurl'];
// Process the XMP Dublin Core block
// Find the Dublin Core Information within the XMP block
$DC_block =& find_XMP_block($new_XMP_array, "dc");
// The Dublin Core description tag contains caption - Find it and Update the value
$Item =& find_XMP_item($DC_block, "dc:description");
$Item['children'][0]['children'] = array(array('tag' => "rdf:li", 'value' => $new_ps_file_info_array['caption'], 'attributes' => array('xml:lang' => "x-default")));
// The Dublin Core title tag contains title - Find it and Update the value
$Item =& find_XMP_item($DC_block, "dc:title");
$Item['children'][0]['children'] = array(array('tag' => "rdf:li", 'value' => $new_ps_file_info_array['title'], 'attributes' => array('xml:lang' => "x-default")));
// The Dublin Core rights tag contains copyrightnotice - Find it and Update the value
$Item =& find_XMP_item($DC_block, "dc:rights");
$Item['children'][0]['children'] = array(array('tag' => "rdf:li", 'value' => $new_ps_file_info_array['copyrightnotice'], 'attributes' => array('xml:lang' => "x-default")));
// The Dublin Core creator tag contains author - Find it and Update the value
$Item =& find_XMP_item($DC_block, "dc:creator");
$Item['children'][0]['children'] = array(array('tag' => "rdf:li", 'value' => $new_ps_file_info_array['author']));
// The Dublin Core subject tag contains keywords - Find it
$Item =& find_XMP_item($DC_block, "dc:subject");
// Create an array to receive the Keywords List Items
$new_keywords_array = array();
// Cycle through each keyword
foreach ($new_ps_file_info_array['keywords'] as $keyword) {
// Add a List item for this keyword
$new_keywords_array[] = array('tag' => "rdf:li", 'value' => $keyword);
}
// Add the Keywords List Items array to the Dublin Core subject tag
$Item['children'][0]['children'] = $new_keywords_array;
/***************************************/
// FINISHED UPDATING VALUES
// Insert the new IPTC array into the Photoshop IRB array
$new_IRB_array = put_Photoshop_IPTC($new_IRB_array, $new_IPTC_array);
// Write the EXIF array to the JPEG header
$jpeg_header_data = put_EXIF_JPEG($new_Exif_array, $jpeg_header_data);
// Convert the XMP array to XMP text
$xmp_text = write_XMP_array_to_text($new_XMP_array);
// Write the XMP text to the JPEG Header
$jpeg_header_data = put_XMP_text($jpeg_header_data, $xmp_text);
// Write the Photoshop IRB array to the JPEG header
$jpeg_header_data = put_Photoshop_IRB($jpeg_header_data, $new_IRB_array);
return $jpeg_header_data;
}
function get_IFD_Packed_Data($ifd_data, $IFD_offset, $Byte_Align, $Another_IFD)
{
$ifd_body_str = "";
$ifd_data_str = "";
$Tag_Definitions_Name = $ifd_data['Tags Name'];
// Count the Tags in this IFD
$tag_count = 0;
foreach ($ifd_data as $key => $tag) {
// Make sure we only count the Tags, not other information keys
if (is_numeric($key)) {
$tag_count++;
}
}
// Add the Tag count to the packed data
$packed_data = put_IFD_Data_Type($tag_count, 3, $Byte_Align);
// Calculate the total length of the IFD (without the offset data)
$IFD_len = 2 + $tag_count * 12 + 4;
// Cycle through each tag
foreach ($ifd_data as $key => $tag) {
// Make sure this is a tag, not another information key
if (is_numeric($key)) {
// Add the tag number to the packed data
$ifd_body_str .= put_IFD_Data_Type($tag['Tag Number'], 3, $Byte_Align);
// Add the Data type to the packed data
$ifd_body_str .= put_IFD_Data_Type($tag['Data Type'], 3, $Byte_Align);
// Check if this is a Print Image Matching entry
if ($tag['Type'] == "PIM") {
// This is a Print Image Matching entry,
// encode it
$data = Encode_PIM($tag, $Byte_Align);
} else {
if (($Tag_Definitions_Name == "EXIF" || $Tag_Definitions_Name == "TIFF") && $tag['Tag Number'] == 33723) {
// This is a IPTC/NAA Record, encode it
$data = put_IPTC($tag['Data']);
} else {
if (($Tag_Definitions_Name == "EXIF" || $Tag_Definitions_Name == "TIFF") && $tag['Tag Number'] == 700) {
// This is a XMP Record, encode it
$data = write_XMP_array_to_text($tag['Data']);
} else {
if (($Tag_Definitions_Name == "EXIF" || $Tag_Definitions_Name == "TIFF") && $tag['Tag Number'] == 34377) {
// This is a Photoshop IRB Record, encode it
$data = pack_Photoshop_IRB_Data($tag['Data']);
} else {
if ($tag['Tag Number'] == 513 && $Tag_Definitions_Name == "TIFF") {
// The Exif Thumbnail Offset is a pointer but of type Long, not Unknown
// Hence we need to put the data into the packed string separately
// Calculate the thumbnail offset
$data_offset = $IFD_offset + $IFD_len + strlen($ifd_data_str);
// Create the Offset for the IFD
$data = put_IFD_Data_Type($data_offset, 4, $Byte_Align);
// Store the thumbnail
$ifd_data_str .= $tag['Data'];
} else {
if ($tag['Tag Number'] == 514 && $Tag_Definitions_Name == "TIFF") {
// Encode the Thumbnail Length
$data = put_IFD_Data_Type(strlen($ifd_data[513]['Data']), 4, $Byte_Align);
} else {
if ($tag['Type'] == "SubIFD") {
// This is a Sub-IFD
// Calculate the offset to the start of the Sub-IFD
$data_offset = $IFD_offset + $IFD_len + strlen($ifd_data_str);
// Get the packed data for the IFD chain as the data for this tag
$data = get_IFD_Array_Packed_Data($tag['Data'], $data_offset, $Byte_Align);
} else {
// Not a special tag
// Create a string to receive the data
$data = "";
// Check if this is a type Unknown tag
if ($tag['Data Type'] != 7) {
// NOT type Unknown
// Cycle through each data value and add it to the data string
foreach ($tag['Data'] as $data_val) {
$data .= put_IFD_Data_Type($data_val, $tag['Data Type'], $Byte_Align);
}
} else {
// This is a type Unknown - just add the data as is to the data string
$data .= $tag['Data'];
}
}
}
}
}
}
}
}
// Pad the data string out to at least 4 bytes
$data = str_pad($data, 4, "");
// Check if the data type is an ASCII String or type Unknown
if ($tag['Data Type'] == 2 || $tag['Data Type'] == 7) {
// This is an ASCII String or type Unknown
// Add the Length of the string to the packed data as the Count
$ifd_body_str .= put_IFD_Data_Type(strlen($data), 4, $Byte_Align);
} else {
// Add the array count to the packed data as the Count
$ifd_body_str .= put_IFD_Data_Type(count($tag['Data']), 4, $Byte_Align);
}
// Check if the data is over 4 bytes long
if (strlen($data) > 4) {
// Data is longer than 4 bytes - it needs to be offset
// Check if this entry is the Maker Note
if ($Tag_Definitions_Name == "EXIF" && $tag['Tag Number'] == 37500) {
// This is the makernote - It will have already been stored
// at its original offset to help preserve it
// all we need to do is add the Offset to the IFD packed data
$data_offset = $tag['Offset'];
$ifd_body_str .= put_IFD_Data_Type($data_offset, 4, $Byte_Align);
} else {
// This is NOT the makernote
// Calculate the data offset
$data_offset = $IFD_offset + $IFD_len + strlen($ifd_data_str);
// Add the offset to the IFD packed data
$ifd_body_str .= put_IFD_Data_Type($data_offset, 4, $Byte_Align);
// Add the data to the offset packed data
$ifd_data_str .= $data;
}
} else {
// Data is less than or equal to 4 bytes - Add it to the packed IFD data as is
$ifd_body_str .= $data;
}
}
}
// Assemble the IFD body onto the packed data
$packed_data .= $ifd_body_str;
// Check if there is another IFD after this one
if ($Another_IFD === TRUE) {
// There is another IFD after this
// Calculate the Next-IFD offset so that it goes immediately after this IFD
$next_ifd_offset = $IFD_offset + $IFD_len + strlen($ifd_data_str);
} else {
// There is NO IFD after this - indicate with offset=0
$next_ifd_offset = 0;
}
// Add the Next-IFD offset to the packed data
$packed_data .= put_IFD_Data_Type($next_ifd_offset, 4, $Byte_Align);
// Add the offset data to the packed data
$packed_data .= $ifd_data_str;
// Return the resulting packed data
return $packed_data;
}
