public static UInt32?GetIso(ExifReader xfr)
{
object otm;
if (xfr.GetTagValue(ExifTags.ISOSpeed, out otm) || xfr.GetTagValue(ExifTags.PhotographicSensitivity, out otm))
{
return(ToUInt32(otm));
}
return(null);
}
public static ImageDim GetImgDim(ExifReader xfr)
{
object tw, th;
if (xfr.GetTagValue(ExifTags.ImageWidth, out tw) && xfr.GetTagValue(ExifTags.ImageLength, out th))
{
return(new ImageDim()
{
Width = ToUInt32(tw), Height = ToUInt32(th)
});
}
else if (xfr.GetTagValue(Constants.ExifTagId.WidthPix, out tw) && xfr.GetTagValue(Constants.ExifTagId.HeightPix, out th))
{
return(new ImageDim()
{
Width = ToUInt32(tw), Height = ToUInt32(th)
});
}
return(null);
}
public static KeyValuePairXCol <string, string> GetMetadata(ExifReader xfr, ImageFile mf = null)
{
KeyValuePairXCol <string, string> rz = new KeyValuePairXCol <string, string>();
object tmp;
string ts;
UInt32 tw, th;
DateTime dt;
StringBuilder sb;
UInt16 un16;
double td;
object otm;
//CodeValueList mats = (mf==null) ? null : mf.MediaAttributesSafe;
try {
sb = new StringBuilder();
if (xfr.GetTagValue(ExifTags.Make, out ts))
{
sb.Append(ts);
}
if (xfr.GetTagValue(ExifTags.Model, out ts))
{
if (sb.Length > 0)
{
sb.Append(' ');
}
sb.Append(ts);
}
if (sb.Length > 0)
{
rz.Add("Camera", ts = sb.ToString());
if (mf != null)
{
mf.Camera = ts;
}
}
if (xfr.GetTagValue(ExifTags.LensModel, out ts))
{
rz.Add("Lens", ts);
if (mf != null)
{
mf.Lens = ts;
}
}
if (xfr.GetTagValue(ExifTags.XPSubject, out ts))
{
rz.Add("Subject", ts);
}
if (xfr.GetTagValue(ExifTags.XPTitle, out ts))
{
rz.Add("Title", ts);
}
if (xfr.GetTagValue(ExifTags.ImageDescription, out ts))
{
rz.Add("Description", ts);
}
if (xfr.GetTagValue(ExifTags.XPKeywords, out otm))
{
byte[] bsrc = otm as byte[];
if (bsrc != null)
{
//Should be Unicode
rz.Add("Keywords", Encoding.Unicode.GetString(bsrc));
}
else
{
rz.Add("Keywords", otm.ToString());
}
}
if (xfr.GetTagValue(ExifTags.ImageRating, out otm))
{
rz.Add("Rating", otm.ToString());
}
if (xfr.GetTagValue(ExifTags.ImageRatingPct, out otm))
{
rz.Add("Rating [%]", otm.ToString());
}
//if (xfr.GetTagValue(Constants.ExifTagId.SonyLens, out ts)) {
// rz.Add("Lens", ts);
//}
ImageDim dm = GetImgDim(xfr);
if (dm != null)
{
if (mf != null)
{
mf.Dimensions = dm;
}
rz.Add("Dimension [px]", dm.ToString());
}
//if (xfr.GetTagValue(ExifTags.ImageWidth, out tw)&& xfr.GetTagValue(ExifTags.ImageLength, out th)) {
// ImageDim dm = new ImageDim() { Width = tw, Height = th };
// rz.Add("Dimension [px]", dm.ToString());
//}
//else if (xfr.GetTagValue(Constants.ExifTagId.WidthPix, out tw) && xfr.GetTagValue(Constants.ExifTagId.HeightPix, out th)) {
// ImageDim dm = new ImageDim() { Width = tw, Height = th };
// rz.Add("Dimension [px]", dm.ToString());
//}
if (xfr.GetTagValue(ExifTags.Orientation, out un16))
{
rz.Add("Orientation", un16.ToString());
}
if (xfr.GetTagValue(ExifTags.DateTimeDigitized, out dt))
{
rz.Add("Date taken", dt.ToString("yyyy-MM-dd HH:mm:ss"));
if (mf != null)
{
mf.Timestamp = dt;
}
}
if (xfr.GetTagValue(ExifTags.FNumber, out td))
{
rz.Add("FNumber", td.ToString());
if (mf != null)
{
mf.FNumber = td;
}
}
if (xfr.GetTagValue(ExifTags.ApertureValue, out otm))
{
rz.Add("Apperture", otm.ToString());
}
if (xfr.GetTagValue(ExifTags.ExposureTime, out otm))
{
rz.Add("Exposure", ts = otm.ToString());
if (mf != null)
{
mf.Exposure = ToDblN(ts);
}
}
if (xfr.GetTagValue(ExifTags.ISOSpeed, out otm))
{
rz.Add("ISO Speed", otm.ToString());
if (mf != null)
{
mf.Iso = ToIntN(otm);
}
}
else if (xfr.GetTagValue(ExifTags.PhotographicSensitivity, out otm))
{
rz.Add("ISO Speed", ts = otm.ToString());
if (mf != null)
{
mf.Iso = ToIntN(otm);
}
}
if (xfr.GetTagValue(ExifTags.FocalLength, out otm))
{
rz.Add("Focal length", otm.ToString());
}
if (xfr.GetTagValue(ExifTags.WhiteBalance, out otm))
{
rz.Add("White Balance", otm.ToString());
}
if (xfr.GetTagValue(ExifTags.WhitePoint, out otm))
{
rz.Add("White Point", otm.ToString());
}
//BitmapMetadata mData = imgData as BitmapMetadata;
//if (mData != null) {
// rz.Add("Application", mData.ApplicationName);
// rz.Add("Date taken", mData.DateTaken);
// rz.Add("Format", mData.Format);
// rz.Add("Title", mData.Title);
// rz.Add("Subject", mData.Subject);
// rz.Add("Location", mData.Location);
// rz.Add("Rating", mData.Rating.ToString());
// if (mData.Keywords != null) {
// rz.Add("Keywords", string.Join(", ", mData.Keywords));
// }
// rz.Add("Comment", mData.Comment);
// //foreach (var ms in mData) {
// // rz.Add("", ms);
// //}
// //object tmp= mData.GetQuery("/app1/ifd/exif/{ushort=37378}") ?? mData.GetQuery("/xmp/exif:ApertureValue");
// //object tmp = mData.GetQuery("System.Photo.Aperture");
// //if (null != (tmp = mData.GetQuery("System.Photo.FNumber")))
// // rz.Add("FNumber", tmp.ToString());
// //if (null != (tmp = mData.GetQuery("System.Photo.Aperture")))
// // rz.Add("Apperture", tmp.ToString());
// //if (null!=(tmp= mData.GetQuery("/app1/ifd/exif/{ushort=33434}") ?? mData.GetQuery("/xmp/exif:ExposureTime")))
// //if (null != (tmp = mData.GetQuery("System.Photo.ExposureTime")))
// // rz.Add("Exposure", tmp.ToString());
// if (null != (tmp = mData.GetQuery("System.Photo.SubjectDistance")))
// rz.Add("Distance", tmp.ToString());
// if (null != (tmp = mData.GetQuery("System.Photo.WhiteBalance")))
// rz.Add("White balance", tmp.ToString());
// //if (null != (tmp = mData.GetQuery("System.Photo.Orientation")))
// // rz.Add("Orientation", tmp.ToString());
// //if (null != (tmp = mData.GetQuery("System.Photo.ISOSpeed")))
// // rz.Add("ISO Speed", tmp.ToString());
// //if (null != (tmp = mData.GetQuery("System.Photo.FocalLength")))
// // rz.Add("Focal Length", tmp.ToString());
// //if (null != (tmp = mData.GetQuery("System.Photo.FocalLengthInFilm")))
// // rz.Add("35mm Focal Length", tmp.ToString());
// //DumpMeta(mData);
//}
}
catch (Exception x) {
throw new BizException(string.Format("Failed to extract properties. {0}: {1}", x.GetType().Name, x.Message));
}
return(rz);
}
