parse SubsecTimeOriginal

Photo.cs

@@ -172,7 +172,6 @@ public class Photo {
         String.Format("{0:D2}", DateTimeOriginal.Day));
     Directory.CreateDirectory(directory);
     string filename = System.IO.Path.Combine(directory, System.IO.Path.GetFileName(Filename));
-    Console.WriteLine("saving " + filename);
     // FIXME: add comments / captions as ImageDescription?
     // FIXME: warn if the file already exists?
     using (Image<Rgba32> image = await Image.LoadAsync<Rgba32>(Filename)) {
@@ -210,6 +209,7 @@ public class Photo {
       image.Metadata.XmpProfile = UpdateXmp(image.Metadata.XmpProfile);
 
       await image.SaveAsync(filename, encoder);
+      Console.WriteLine("saved " + filename);
     }
   }
 
@@ -347,7 +347,6 @@ public class Photo {
       }
     }
 
-    // FIXME: there is also a SubSecTimeOriginal tag we could use to get fractional seconds.
     // FIXME: I think the iPhone stores time in UTC but other cameras report it in local time.
     IExifValue<string>? dateTimeOriginal;
     if (exifs.TryGetValue(ExifTag.DateTimeOriginal, out dateTimeOriginal)) {
@@ -364,6 +363,13 @@ public class Photo {
       }
     }
 
+    IExifValue<string>? subsecTimeOriginal;
+    if (exifs.TryGetValue(ExifTag.SubsecTimeOriginal, out subsecTimeOriginal)) {
+      double fractionalSeconds;
+      Double.TryParse("0." + subsecTimeOriginal.Value, out fractionalSeconds);
+      DateTimeOriginal = DateTimeOriginal.AddSeconds(fractionalSeconds);
+    }
+
     Gps = GpsInfo.ParseExif(exifs);
   }
 
@@ -408,7 +414,7 @@ public class Photo {
   }
 
   public string Description() {
-    string date = DateTimeOriginal.ToString("yyyy-MM-dd HH:mm:ss");
+    string date = DateTimeOriginal.ToString("yyyy-MM-dd HH:mm:ss.ff");
     return String.Format(
         "{0,6}  {1,-5}  {2,-7} {3,-10} {7,4}x{8,-4} {4}    {5,-20}    {6}",
         FocalLength, FNumber, ExposureTime, IsoSpeed, date, ShortLensModel, Filename, Size.X, Size.Y);

Program.cs

@@ -697,10 +697,10 @@ public class Game : GameWindow {
     // string[] files = Directory.GetFiles(@"c:\users\colin\pictures\photos\2023\07\23\");
     // string[] files = Directory.GetFiles(@"G:\DCIM\100EOSR6\");
     // string[] files = Directory.GetFiles(@"c:\users\colin\desktop\totte-output\2023\08\29");
-    // string[] files = Directory.GetFiles(@"c:\users\colin\desktop\import");
+    string[] files = Directory.GetFiles(@"c:\users\colin\desktop\import");
     // string[] files = Directory.GetFiles(@"C:\Users\colin\Pictures\photos\2018\06\23");
     // string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\Germany all\104D7000");
-    string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\many-birds\");
+    // string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\many-birds\");
 
     for (int i = 0; i < files.Count(); i++) {
       string file = files[i];