public function testDecimalToFraction()
{
$result = convertToFraction($this->test_decimal);
$this->assertInternalType('integer', $result['numerator']);
$this->assertInternalType('integer', $result['denominator']);
$this->assertEquals(3, $result['numerator']);
$this->assertEquals(40, $result['denominator']);
}
function formatExposure($data)
{
if (strpos($data, '/') === false) {
if ($data >= 1) {
return round($data, 2) . ' ' . '!sec!';
} else {
return convertToFraction($data) . ' !sec!';
}
} else {
return '!bulb!';
}
}
/**
* Filter for handling image objects
*
* @param object $image
* @return object
*/
static function new_image($image)
{
$source = '';
$metadata_path = '';
$files = safe_glob(substr($image->localpath, 0, strrpos($image->localpath, '.')) . '.*');
if (count($files) > 0) {
foreach ($files as $file) {
if (strtolower(getSuffix($file)) == XMP_EXTENSION) {
$metadata_path = $file;
break;
}
}
}
if (!empty($metadata_path)) {
$source = self::extractXMP(file_get_contents($metadata_path));
} else {
if (getOption('xmpMetadata_examine_images_' . strtolower(substr(strrchr($image->localpath, "."), 1)))) {
$f = file_get_contents($image->localpath);
$l = filesize($image->localpath);
$abort = 0;
$i = 0;
while ($i < $l && $abort < 200 && !$source) {
$tag = bin2hex(substr($f, $i, 2));
$size = hexdec(bin2hex(substr($f, $i + 2, 2)));
switch ($tag) {
case 'ffe1':
// EXIF
// EXIF
case 'ffe2':
// EXIF extension
// EXIF extension
case 'fffe':
// COM
// COM
case 'ffe0':
// IPTC marker
$source = self::extractXMP($f);
$i = $i + $size + 2;
$abort = 0;
break;
default:
if ($f[$i] == '<') {
$source = self::extractXMP($f);
}
$i = $i + 1;
$abort++;
break;
}
}
}
}
// direct import to ZenPhoto20 fields with no processing required
$import = array('location' => 'XMPSubLocation', 'city' => 'XMPCity', 'city' => 'XMPCity', 'state' => 'XMPState', 'country' => 'XMPLocationName', 'copyright' => 'XMPCopyright', 'rotation' => 'XMPOrientation');
if (!empty($source)) {
$metadata = self::extract($source);
if (count($metadata > 0)) {
$exifVars = self::getMetadataFields();
foreach ($metadata as $field => $element) {
if (!array_key_exists($field, $exifVars) || $exifVars[$field][5]) {
$image->set('hasMetadata', 1);
$v = self::to_string($element);
if (($key = array_search($field, $import)) !== false) {
$image->set($key, $v);
} else {
switch ($field) {
case 'XMPSource':
if (!isset($metadata['XMPImageCredit'])) {
$this->set('credit', $v);
}
break;
case 'XMPImageCredit':
$this->set('credit', $v);
break;
case 'XMPImageHeadline':
if (getoption('transform_newlines')) {
$v = nl2br($v);
}
$image->setTitle($v);
break;
case 'XMPImageCaption':
if (getoption('transform_newlines')) {
$v = nl2br(v);
}
$image->setDesc($v);
break;
case 'XMPDateTimeOriginal':
$image->setDateTime($element);
break;
case 'XMPExposureTime':
$v = formatExposure(self::rationalNum($element));
break;
case 'XMPFocalLength':
$v = self::rationalNum($element) . ' mm';
break;
case 'XMPAperatureValue':
case 'XMPFNumber':
$v = 'f/' . self::rationalNum($element);
break;
case 'XMPExposureBiasValue':
case 'XMPGPSAltitude':
$v = self::rationalNum($element);
break;
case 'XMPGPSLatitude':
case 'XMPGPSLongitude':
$n = explode(',', substr($element, 0, -1));
$r = $n[0] + $n[1] / 60;
$ref = strtoupper(substr($element, -1, 1));
$v = Image::toDMS($r, $ref);
if (in_array($ref, array('S', 'W'))) {
$r = -$r;
}
$r = (double) $r;
$image->set(substr($field, 3), $r);
break;
case 'XMPLensInfo':
preg_match_all('~(\\d+/\\d+)~', $v, $matches);
if (isset($matches[1]) && !empty($matches[1])) {
$lens = array();
foreach ($matches[1] as $i => $f) {
$term = explode('/', $f);
if ($term[0] != 0 && $term[1] != 0) {
$lens[$i] = convertToFraction($term[0] / $term[1]);
} else {
$lens[$i] = 0;
}
}
if ($lens[0] == $lens[1]) {
$v = sprintf('%0.0fmm', $lens[0]);
} else {
$v = sprintf('%0.0f-%0.0fmm', $lens[0], $lens[1]);
}
if ($lens[2] == $lens[3]) {
if ($lens[2] != 0) {
$v .= sprintf(' f/%0.1f', $lens[2]);
}
} else {
$v .= sprintf(' f/%0.1f-%0.1f', $lens[3], $lens[2]);
}
}
break;
case 'rating':
$v = min(getoption('rating_stars_count'), $v) * min(1, getOption('rating_split_stars'));
$image->set('total_value', $v);
$image->set('total_votes', 1);
break;
case 'XMPKeywords':
if (!is_array($element)) {
$element = explode(',', $element);
}
$element = array_unique(array_merge($image->getTags(), $element));
$image->setTags($element);
break;
}
}
$image->set($field, $v);
}
}
$image->save();
}
}
return $image;
}
