2022-12-16 11:26:00 -07:00

58 lines
2.0 KiB
C#

namespace View_by_Distance.Metadata.Models.Stateless;
internal class Metadata
{
internal static string? GetFaceEncoding(string file)
{
string? result;
List<string> results = new();
const string comment = "Comment: ";
if (File.Exists(file))
{
IReadOnlyList<MetadataExtractor.Directory> directories = MetadataExtractor.ImageMetadataReader.ReadMetadata(file);
foreach (MetadataExtractor.Directory directory in directories)
{
if (directory.Name != "PNG-tEXt")
continue;
foreach (MetadataExtractor.Tag tag in directory.Tags)
{
if (tag.Name != "Textual Data" || string.IsNullOrEmpty(tag.Description))
continue;
if (!tag.Description.StartsWith(comment))
continue;
results.Add(tag.Description);
}
}
}
result = results.Any() ? results[0][comment.Length..] : null;
return result;
}
internal static string? GetFaceX(string file)
{
string? result;
List<string> results = new();
const string artist = "Artist: ";
if (File.Exists(file))
{
IReadOnlyList<MetadataExtractor.Directory> directories = MetadataExtractor.ImageMetadataReader.ReadMetadata(file);
foreach (MetadataExtractor.Directory directory in directories)
{
if (directory.Name != "PNG-tEXt")
continue;
foreach (MetadataExtractor.Tag tag in directory.Tags)
{
if (tag.Name != "Textual Data" || string.IsNullOrEmpty(tag.Description))
continue;
if (!tag.Description.StartsWith(artist))
continue;
results.Add(tag.Description);
}
}
}
result = results.Any() ? results[0][artist.Length..] : null;
return result;
}
}