function wppa_copy_exif($fromphoto, $tophoto)
{
global $wpdb;
$exiflines = $wpdb->get_results($wpdb->prepare("SELECT * FROM `" . WPPA_EXIF . "` WHERE `photo` = %s", $fromphoto), ARRAY_A);
if ($exiflines) {
foreach ($exiflines as $line) {
$id = wppa_create_exif_entry(array('photo' => $tophoto, 'tag' => $line['tag'], 'description' => $line['description'], 'status' => $line['status']));
}
}
}
function wppa_import_exif($id, $file, $nodelete = false)
{
global $wpdb;
static $labels;
static $names;
global $wppa;
// Do we need this?
if (!wppa_switch('wppa_save_exif')) {
return;
}
// Check filetype
if (!function_exists('exif_imagetype')) {
return false;
}
$image_type = exif_imagetype($file);
if ($image_type != IMAGETYPE_JPEG) {
return false;
}
// Not supported image type
// Get exif data
if (!function_exists('exif_read_data')) {
return false;
}
// Not supported by the server
$exif = @exif_read_data($file, 'EXIF');
if (!is_array($exif)) {
return false;
}
// No data present
// There is exif data for this image.
// First delete any existing exif data for this image
if (!$nodelete) {
$wpdb->query($wpdb->prepare("DELETE FROM `" . WPPA_EXIF . "` WHERE `photo` = %s", $id));
wppa_dbg_q('Q218');
}
// Find defined labels
if (!is_array($labels)) {
$result = $wpdb->get_results("SELECT * FROM `" . WPPA_EXIF . "` WHERE `photo` = '0' ORDER BY `tag`", ARRAY_A);
wppa_dbg_q('Q219');
if (!is_array($result)) {
$result = array();
}
$labels = array();
$names = array();
foreach ($result as $res) {
$labels[] = $res['tag'];
$names[] = $res['description'];
}
}
foreach (array_keys($exif) as $s) {
// Process item
wppa_dbg_msg('EXIF ' . $s . ' = ' . serialize($exif[$s]));
// Check labels first
$tag = '';
if (in_array($s, $names)) {
$i = 0;
while ($i < count($labels)) {
if ($names[$i] == $s) {
$tag = $labels[$i];
}
}
}
if ($tag == '') {
$tag = wppa_exif_tag($s);
}
if ($tag == 'E#EA1C') {
$tag = '';
}
// EA1C is explixitly undefined and will fail to register
if ($tag == '') {
continue;
}
if (!in_array($tag, $labels)) {
// Add to labels
$labels[] = $tag;
$names[] = $s . ':';
// Add to db
$photo = '0';
$desc = $s . ':';
$status = 'display';
if (substr($s, 0, 12) == 'UndefinedTag') {
$status = 'hide';
}
$iret = wppa_create_exif_entry(array('photo' => $photo, 'tag' => $tag, 'description' => $desc, 'status' => $status));
if (!$iret) {
wppa_log('Warning 1', 'Could not add EXIF tag ' . $tag . ' for photo ' . $photo);
}
}
// Now add poto specific data item
// If its an array...
if (is_array($exif[$s])) {
// continue;
$c = count($exif[$s]);
$max = wppa_opt('wppa_exif_max_array_size');
if ($max != '0' && $c > $max) {
wppa_dbg_msg('Exif tag ' . $tag . ': array truncated form ' . $c . ' to ' . $max . ' elements for photo nr ' . $id . '.', 'red');
$c = $max;
}
for ($i = 0; $i < $c; $i++) {
$photo = $id;
$desc = $exif[$s][$i];
$status = 'default';
$iret = wppa_create_exif_entry(array('photo' => $photo, 'tag' => $tag, 'description' => $desc, 'status' => $status));
if (!$iret) {
wppa_log('Warning 2', 'Could not add EXIF tag ' . $tag . ' for photo ' . $photo);
}
}
} else {
$photo = $id;
$desc = $exif[$s];
$status = 'default';
$iret = wppa_create_exif_entry(array('photo' => $photo, 'tag' => $tag, 'description' => $desc, 'status' => $status));
if (!$iret) {
}
/* wppa_log( 'Warning 3', 'Could not add EXIF tag '.$tag.' for photo '.$photo.', desc = '.$desc ); */
// Is junk, dont care
}
}
wppa_exif_clean_garbage($id);
}
