// convert the exif date format to a unix timestamp
public int wp_exif_date2ts(String str) {
// seriously, who formats a date like 'YYYY:MM:DD hh:mm:ss'?
new ListAssigner<String>() {
public Array<String> doAssign(Array<String> srcArray) {
if (strictEqual(srcArray, null)) {
return null;
}
wp_exif_date2ts_date = srcArray.getValue(0);
wp_exif_date2ts_time = srcArray.getValue(1);
return srcArray;
}
}.doAssign(Strings.explode(" ", Strings.trim(str)));
new ListAssigner<String>() {
public Array<String> doAssign(Array<String> srcArray) {
if (strictEqual(srcArray, null)) {
return null;
}
wp_exif_date2ts_y = srcArray.getValue(0);
wp_exif_date2ts_m = srcArray.getValue(1);
wp_exif_date2ts_d = srcArray.getValue(2);
return srcArray;
}
}.doAssign(Strings.explode(":", wp_exif_date2ts_date));
return QDateTime.strtotime(
strval(wp_exif_date2ts_y)
+ "-"
+ strval(wp_exif_date2ts_m)
+ "-"
+ strval(wp_exif_date2ts_d)
+ " "
+ strval(wp_exif_date2ts_time));
}
// get extended image metadata, exif or iptc as available
public Array<Object> wp_read_image_metadata(String file) {
Array<Object> meta = new Array<Object>();
Array<Object> info = new Array<Object>();
Array<Object> iptc = new Array<Object>();
Array<Object> exif = new Array<Object>();
if (!FileSystemOrSocket.file_exists(gVars.webEnv, file)) {
return new Array<Object>();
}
new ListAssigner<Object>() {
public Array<Object> doAssign(Array<Object> srcArray) {
if (strictEqual(srcArray, null)) {
return null;
}
wp_read_image_metadata_sourceImageType = srcArray.getValue(2);
return srcArray;
}
}.doAssign(QImage.getimagesize(gVars.webEnv, file));
// exif contains a bunch of data we'll probably never need formatted in ways that are difficult
// to use.
// We'll normalize it and just extract the fields that are likely to be useful. Fractions and
// numbers
// are converted to floats, dates to unix timestamps, and everything else to strings.
meta =
new Array<Object>(
new ArrayEntry<Object>("aperture", 0),
new ArrayEntry<Object>("credit", ""),
new ArrayEntry<Object>("camera", ""),
new ArrayEntry<Object>("caption", ""),
new ArrayEntry<Object>("created_timestamp", 0),
new ArrayEntry<Object>("copyright", ""),
new ArrayEntry<Object>("focal_length", 0),
new ArrayEntry<Object>("iso", 0),
new ArrayEntry<Object>("shutter_speed", 0),
new ArrayEntry<Object>("title", ""));
// read iptc first, since it might contain data not available in exif such as caption,
// description etc
if (true) /*Modified by Numiton*/ {
QImage.getimagesize(gVars.webEnv, file, info);
if (!empty(info.getValue("APP13"))) {
iptc = new Array<Object>();
if (!empty(iptc.getArrayValue("2#110").getValue(0))) { // credit
meta.putValue("credit", Strings.trim(strval(iptc.getArrayValue("2#110").getValue(0))));
} else if (!empty(iptc.getArrayValue("2#080").getValue(0))) { // byline
meta.putValue("credit", Strings.trim(strval(iptc.getArrayValue("2#080").getValue(0))));
}
if (!empty(iptc.getArrayValue("2#055").getValue(0))
&& !empty(iptc.getArrayValue("2#060").getValue(0))) { // created datee and time
meta.putValue(
"created_timestamp",
QDateTime.strtotime(
strval(iptc.getArrayValue("2#055").getValue(0))
+ " "
+ strval(iptc.getArrayValue("2#060").getValue(0))));
}
if (!empty(iptc.getArrayValue("2#120").getValue(0))) { // caption
meta.putValue("caption", Strings.trim(strval(iptc.getArrayValue("2#120").getValue(0))));
}
if (!empty(iptc.getArrayValue("2#116").getValue(0))) { // copyright
meta.putValue("copyright", Strings.trim(strval(iptc.getArrayValue("2#116").getValue(0))));
}
if (!empty(iptc.getArrayValue("2#005").getValue(0))) { // title
meta.putValue("title", Strings.trim(strval(iptc.getArrayValue("2#005").getValue(0))));
}
}
}
// fetch additional info from exif if available
if (false
&& /*Modified by Numiton*/ Array.in_array(
wp_read_image_metadata_sourceImageType,
(Array)
getIncluded(PluginPage.class, gVars, gConsts)
.apply_filters(
"wp_read_image_metadata_types",
new Array<Object>(
new ArrayEntry<Object>(Image.IMAGETYPE_JPEG),
new ArrayEntry<Object>(Image.IMAGETYPE_TIFF_II),
new ArrayEntry<Object>(Image.IMAGETYPE_TIFF_MM))))) {
exif = new Array<Object>();
if (!empty(exif.getValue("FNumber"))) {
meta.putValue(
"aperture", Math.round(wp_exif_frac2dec(strval(exif.getValue("FNumber"))), 2));
}
if (!empty(exif.getValue("Model"))) {
meta.putValue("camera", Strings.trim(strval(exif.getValue("Model"))));
}
if (!empty(exif.getValue("DateTimeDigitized"))) {
meta.putValue(
"created_timestamp", wp_exif_date2ts(strval(exif.getValue("DateTimeDigitized"))));
}
if (!empty(exif.getValue("FocalLength"))) {
meta.putValue("focal_length", wp_exif_frac2dec(strval(exif.getValue("FocalLength"))));
}
if (!empty(exif.getValue("ISOSpeedRatings"))) {
meta.putValue("iso", exif.getValue("ISOSpeedRatings"));
}
if (!empty(exif.getValue("ExposureTime"))) {
meta.putValue("shutter_speed", wp_exif_frac2dec(strval(exif.getValue("ExposureTime"))));
}
}
// FIXME: try other exif libraries if available
return (Array<Object>)
getIncluded(PluginPage.class, gVars, gConsts)
.apply_filters(
"wp_read_image_metadata", meta, file, wp_read_image_metadata_sourceImageType);
}
