public static ImageInfo GetExifData(string fullName, bool extended)
{
ImageInfo res = new ImageInfo();
System.IO.FileInfo f = new System.IO.FileInfo(fullName);
res.FileSize = (int)f.Length;
if (extended)
{
using (TagLib.File file = TagLib.File.Create(fullName))
{
TagLib.Image.File tagSharp = (TagLib.Image.File)file;
if (tagSharp == null)
{
throw new Exception(string.Format("File [{0}] is not a recognized by TagLib# image", System.IO.Path.GetFileName(fullName)));
}
//размер фотографии
res.W = tagSharp.Properties.PhotoWidth;
res.H = tagSharp.Properties.PhotoHeight;
//название фотографии
res.Caption = safeTrim(tagSharp.ImageTag.Title);
if (string.IsNullOrEmpty(res.Caption))
{
res.Caption = safeTrim(tagSharp.ImageTag.Comment);
}
if (string.IsNullOrEmpty(res.Caption))
{
res.Caption = System.IO.Path.GetFileName(fullName);
res.FileNameIsUsed = true;
}
res.Description = safeTrim(tagSharp.ImageTag.Comment);
//время съемки
if (tagSharp.ImageTag.DateTime.HasValue)
{
res.Shot = tagSharp.ImageTag.DateTime.Value;
}
else
{
res.Shot = f.CreationTime < f.LastWriteTime ? f.CreationTime:f.LastWriteTime;
}
//место съемки
res.Latitude = tagSharp.ImageTag.Latitude;
res.Longitude = tagSharp.ImageTag.Longitude;
res.Altitude = tagSharp.ImageTag.Altitude;
//название и модель фотоаппарата
res.Camera = tagSharp.ImageTag.Model;
//параметры объектива
if (tagSharp.ImageTag.Xmp != null)
{
res.Lens = tagSharp.ImageTag.Xmp.GetLangAltNode("http://ns.adobe.com/exif/1.0/aux/", "Lens");
}
//размер ISO При съёмке
res.IsoSpeed = string.Format(CultureInfo.InvariantCulture, "{0}", tagSharp.ImageTag.ISOSpeedRatings);
//диафрагма при съёмке
res.Aperture = string.Format(CultureInfo.InvariantCulture, "{0:0.0}", tagSharp.ImageTag.FNumber);
//фокусное расстояние при сёмке
res.FocalLength = string.Format(CultureInfo.InvariantCulture, "{0}", tagSharp.ImageTag.FocalLength);
//выдержка
if (tagSharp.ImageTag.ExposureTime.HasValue)
{
if (tagSharp.ImageTag.ExposureTime < 1.0)
{
res.Exposure = string.Format(CultureInfo.InvariantCulture, "1/{0:0}", 1.0 / tagSharp.ImageTag.ExposureTime);
}
else
{
res.Exposure = string.Format(CultureInfo.InvariantCulture, "{0:0}", tagSharp.ImageTag.ExposureTime);
}
}
//определяем использовалась-ли вспышка
if (tagSharp.ImageTag.Exif != null && tagSharp.ImageTag.Exif.Structure != null)
{
SubIFDEntry ent = tagSharp.ImageTag.Exif.Structure.GetEntry(0, (ushort)IFDEntryTag.ExifIFD) as SubIFDEntry;
if (ent != null && ent.Structure != null)
{
ShortIFDEntry entry = ent.Structure.GetEntry(0, (ushort)ExifEntryTag.Flash) as ShortIFDEntry;
if (entry != null)
{
res.Flash = (entry.Value & 1) == 1; //flash fired
}
}
}
}
}
else
{
using (Image img = Image.FromFile(fullName))
{
//размер
res.W = img.Width; res.H = img.Height;
//название
PropertyItem pi = img.GetPropertyItem(0x10e);
res.Caption = pi == null?
System.IO.Path.GetFileName(fullName) :
Encoding.GetEncoding(1251).GetString(pi.Value, 0, pi.Len - 1).Trim();
//съемка
pi = img.GetPropertyItem(0x132);
if (pi != null)
{
string dt = Encoding.UTF8.GetString(pi.Value, 0, pi.Len - 1);
res.Shot = System.Xml.XmlConvert.ToDateTime(dt, System.Xml.XmlDateTimeSerializationMode.Local);
}
else
{
res.Shot = f.CreationTime;
}
}
}
return(res);
}
static string structDumper(IFDStructure st, ushort tagParentCode, StringBuilder blsExt = null, int recurse = 0)
{
//Encoding enc = Encoding.GetEncoding(1251);
Encoding enc = Encoding.Unicode;
string pref = string.Empty;
if (recurse > 0)
{
for (int i = 0; i < recurse; ++i)
{
pref += "\t";
}
}
System.Text.StringBuilder bld = blsExt ?? new System.Text.StringBuilder();
bld.AppendFormat("{0}Directories Count = {1}\r\n", pref, st.Directories.Length);
Type enumFldType = typeof(IFDEntryTag);
if (tagParentCode != 0)
{
if (tagParentCode == (ushort)IFDEntryTag.ExifIFD)
{
enumFldType = typeof(ExifEntryTag);
}
else if (tagParentCode == (ushort)IFDEntryTag.GPSIFD)
{
enumFldType = typeof(GPSEntryTag);
}
else if (tagParentCode == (ushort)IFDEntryTag.OPIProxy)
{
enumFldType = typeof(IOPEntryTag);
}
}
int cnt = 1;
foreach (IFDDirectory dir in st.Directories)
{
bld.AppendFormat("{0}Dir {1}:\r\n", pref, cnt++);
foreach (var kv in dir)
{
string tagName = null;
try { tagName = Enum.GetName(enumFldType, kv.Key); }
catch { };
if (string.IsNullOrEmpty(tagName))
{
tagName = kv.Key.ToString();
}
bld.AppendFormat("{0}{1}/{2}: ", pref, tagName, kv.Value.GetType().Name);
if (kv.Value.GetType().GetProperty("Value") != null)
{
dynamic d = kv.Value;
bld.Append(d.Value);
}
if (kv.Value is ByteVectorIFDEntry)
{
ByteVectorIFDEntry bv = (ByteVectorIFDEntry)kv.Value;
bld.AppendFormat(" len = {0}, [{1}]", bv.Data.Data.Length, enc.GetString(bv.Data.Data));
}
else if (kv.Value is UndefinedIFDEntry)
{
UndefinedIFDEntry ue = (UndefinedIFDEntry)kv.Value;
bld.AppendFormat(" len = {0}, [{1}]", ue.Data.Data.Length, enc.GetString(ue.Data.Data));
}
else if (kv.Value is SubIFDEntry)
{
SubIFDEntry sub = (SubIFDEntry)kv.Value;
structDumper(sub.Structure, sub.Tag, bld, recurse + 1);
}
bld.AppendLine();
}
}
return(blsExt == null?bld.ToString() : string.Empty);
}
