/*
* [Interoperability] Interoperability Index = Recommended Exif Interoperability Rules (ExifR98)
* [Interoperability] Interoperability Version = 1.00
* [Jpeg] Data Precision = 8 bits
* [Jpeg] Image Width = 600 pixels
* [Jpeg] Image Height = 800 pixels
* [Jpeg] Number of Components = 3
* [Jpeg] Component 1 = Y component: Quantization table 0, Sampling factors 1 horiz/1 vert
* [Jpeg] Component 2 = Cb component: Quantization table 1, Sampling factors 1 horiz/1 vert
* [Jpeg] Component 3 = Cr component: Quantization table 1, Sampling factors 1 horiz/1 vert
*/
public NikonType1MakernoteTest()
{
var metadata = ExifReaderTest.ProcessSegmentBytes("Tests/Data/nikonMakernoteType1.jpg.app1").ToList();
_nikonDirectory = metadata.OfType <NikonType1MakernoteDirectory>().SingleOrDefault();
_exifSubIfdDirectory = metadata.OfType <ExifSubIfdDirectory>().SingleOrDefault();
_exifIfd0Directory = metadata.OfType <ExifIfd0Directory>().SingleOrDefault();
_thumbDirectory = metadata.OfType <ExifThumbnailDirectory>().SingleOrDefault();
}
public void ToStringMethod()
{
var directory = new ExifIfd0Directory();
Assert.Equal("Exif IFD0 Directory (0 tags)", directory.ToString());
directory.Set(1, "Tag 1");
Assert.Equal("Exif IFD0 Directory (1 tag)", directory.ToString());
directory.Set(2, "Tag 2");
Assert.Equal("Exif IFD0 Directory (2 tags)", directory.ToString());
}
public void GetDirectoryOfType_CorrectDirectory()
{
var firstDir = new ExifIfd0Directory();
var secondDir = new ExifThumbnailDirectory();
var directories = new List <Directory> {
firstDir, secondDir
};
var metadata = new ExifMetadata(null, directories);
Assert.AreEqual(firstDir, metadata.GetDirectoryOfType <ExifIfd0Directory>());
}
public void ParseIfd0Directory_NullDirectory_NoMetadata()
{
ExifIfd0Directory ifd0Directory = null;
var photo = new Photo("");
ifd0Directory.Parse(photo);
Assert.Null(photo.Make);
Assert.Null(photo.Model);
Assert.Null(photo.DateTime);
}
public void TestYResolutionDescription()
{
var directory = new ExifIfd0Directory();
directory.Set(ExifDirectoryBase.TagYResolution, new Rational(50, 1));
// 3 is for 'cm'
directory.Set(ExifDirectoryBase.TagResolutionUnit, 3);
var descriptor = new ExifIfd0Descriptor(directory);
Assert.Equal("50 dots per cm", descriptor.GetDescription(ExifDirectoryBase.TagYResolution));
}
public void TestXResolutionDescription()
{
var directory = new ExifIfd0Directory();
directory.Set(ExifDirectoryBase.TagXResolution, new Rational(72, 1));
// 2 is for 'Inch'
directory.Set(ExifDirectoryBase.TagResolutionUnit, 2);
var descriptor = new ExifIfd0Descriptor(directory);
Assert.Equal("72 dots per inch", descriptor.GetDescription(ExifDirectoryBase.TagXResolution));
}
public void TestGetDirectoryName()
{
Directory subIfdDirectory = new ExifSubIfdDirectory();
Directory ifd0Directory = new ExifIfd0Directory();
Directory thumbDirectory = new ExifThumbnailDirectory();
Assert.False(subIfdDirectory.HasError);
Assert.False(ifd0Directory.HasError);
Assert.False(thumbDirectory.HasError);
Assert.Equal("Exif IFD0", ifd0Directory.Name);
Assert.Equal("Exif SubIFD", subIfdDirectory.Name);
Assert.Equal("Exif Thumbnail", thumbDirectory.Name);
}
public void Parse_InvalidDateFormat()
{
var dir = new ExifIfd0Directory();
dir.Set(ExifIfd0Directory.TagDateTimeOriginal, " : : : : ");
var metadata = new Mock <IExifMetadata>();
metadata.Setup(mock => mock.GetDirectoryOfType <ExifIfd0Directory>()).Returns(dir);
var parser = new ExifAttributeParser <ExifIfd0Directory>("test", ExifIfd0Directory.TagDateTimeOriginal, AttributeType.DateTime);
var attr = parser.Parse(metadata.Object);
Assert.IsNull(attr);
}
/// <summary>Parses <see cref="ExifIfd0Directory" /> metadata and saves it to the <see cref="Photo" />.</summary>
/// <param name="directory">Directory containing the make, model and datetime metadata.</param>
/// <param name="photo">Photo object used for storing metadata.</param>
public static void Parse(this ExifIfd0Directory directory, Photo photo)
{
if (directory is null || photo is null)
{
return;
}
var make = directory.GetString(ExifIfd0Directory.TagMake);
var model = directory.GetString(ExifIfd0Directory.TagModel);
photo.Make = make;
photo.Model = model;
if (directory.TryGetDateTime(ExifIfd0Directory.TagDateTime, out var datetime))
{
photo.DateTime = datetime;
}
}
public void ParseIfd0Directory_ValidDirectory_AllMetadata()
{
var ifd0Directory = new ExifIfd0Directory();
var photo = new Photo("");
var make = "TestMake";
var model = "TestModel";
var dateTime = DateTime.Today;
ifd0Directory.Set(ExifIfd0Directory.TagMake, make);
ifd0Directory.Set(ExifIfd0Directory.TagModel, model);
ifd0Directory.Set(ExifIfd0Directory.TagDateTime, dateTime);
ifd0Directory.Parse(photo);
var actualMake = photo.Make;
var actualModel = photo.Model;
var actualDateTime = photo.DateTime;
Assert.Equal(make, actualMake);
Assert.Equal(model, actualModel);
Assert.Equal(dateTime, actualDateTime);
}
public void AnalyzeFile(string filename)
{
DateTime?originalDateTime = null;
int imageHeight = 0;
int imageWidth = 0;
string extension = System.IO.Path.GetExtension(filename).ToLower();
IEnumerable <MetadataExtractor.Directory> imageDirectories = null;
try
{
imageDirectories = ImageMetadataReader.ReadMetadata(filename);
FileMetadataDirectory fileDirectory = imageDirectories.OfType <FileMetadataDirectory>().FirstOrDefault();
FileTypeDirectory fileTypeDirectory = imageDirectories.OfType <FileTypeDirectory>().FirstOrDefault();
//var fileSize = fileDirectory?.GetDescription(FileMetadataDirectory.TagFileSize);
long fileSize = fileDirectory?.GetInt64(FileMetadataDirectory.TagFileSize) ?? 0;
var modDate = fileDirectory?.GetDateTime(FileMetadataDirectory.TagFileModifiedDate);
switch (extension)
{
case ".jpg":
case ".jpeg":
{
JpegDirectory jpegDirectory = imageDirectories.OfType <JpegDirectory>().FirstOrDefault();
ExifSubIfdDirectory exifSubIfdDirectory = imageDirectories.OfType <ExifSubIfdDirectory>().FirstOrDefault(d => d.ContainsTag(ExifDirectoryBase.TagDateTimeOriginal));
originalDateTime = exifSubIfdDirectory?.GetDateTime(ExifDirectoryBase.TagDateTimeOriginal);
if (jpegDirectory != null)
{
jpegDirectory.TryGetInt32(JpegDirectory.TagImageHeight, out imageHeight);
jpegDirectory.TryGetInt32(JpegDirectory.TagImageWidth, out imageWidth);
}
ImageFileInfo ifi = new ImageFileInfo()
{
FileFullPath = filename,
ImageHeight = imageHeight,
ImageSize = fileSize,
ImageWidth = imageWidth,
ImageModDateTime = modDate,
ImageOriginalDateTime = originalDateTime,
};
ifi.SetFileSystemInfo();
ImageFiles.AddImageFileInfoToDictionary(ifi);
ifi.InsertImageFileInfo(DBOConn);
}
break;
case ".png":
{
PngDirectory pngDirectory = imageDirectories.OfType <PngDirectory>().FirstOrDefault(d => d.Name == "PNG-IHDR");
if (pngDirectory != null)
{
pngDirectory.TryGetInt32(PngDirectory.TagImageHeight, out imageHeight);
pngDirectory.TryGetInt32(PngDirectory.TagImageWidth, out imageWidth);
}
ImageFileInfo ifi = new ImageFileInfo()
{
FileFullPath = filename,
ImageHeight = imageHeight,
ImageSize = fileSize,
ImageWidth = imageWidth,
ImageModDateTime = modDate,
ImageOriginalDateTime = originalDateTime,
};
ifi.SetFileSystemInfo();
ImageFiles.AddImageFileInfoToDictionary(ifi);
ifi.InsertImageFileInfo(DBOConn);
}
break;
case ".nef":
{
List <ExifSubIfdDirectory> exifSubIfdDirectories = imageDirectories.OfType <ExifSubIfdDirectory>().ToList();
ExifSubIfdDirectory exifSubIfdDirectory = imageDirectories.OfType <ExifSubIfdDirectory>().FirstOrDefault(d => d.GetDescription(ExifDirectoryBase.TagNewSubfileType) == "Full-resolution image");
if (exifSubIfdDirectory != null)
{
exifSubIfdDirectory.TryGetInt32(ExifDirectoryBase.TagImageHeight, out imageHeight);
exifSubIfdDirectory.TryGetInt32(ExifDirectoryBase.TagImageWidth, out imageWidth);
}
exifSubIfdDirectory = imageDirectories.OfType <ExifSubIfdDirectory>().FirstOrDefault(d => d.ContainsTag(ExifDirectoryBase.TagDateTimeOriginal));
originalDateTime = exifSubIfdDirectory?.GetDateTime(ExifDirectoryBase.TagDateTimeOriginal);
ImageFileInfo ifi = new ImageFileInfo()
{
FileFullPath = filename,
ImageHeight = imageHeight,
ImageSize = fileSize,
ImageWidth = imageWidth,
ImageModDateTime = modDate,
ImageOriginalDateTime = originalDateTime,
};
ifi.SetFileSystemInfo();
ImageFiles.AddImageFileInfoToDictionary(ifi);
ifi.InsertImageFileInfo(DBOConn);
}
break;
case ".tiff":
{
List <ExifSubIfdDirectory> exifSubIfdDirectories = imageDirectories.OfType <ExifSubIfdDirectory>().ToList();
ExifIfd0Directory exifIfd0Directory = imageDirectories.OfType <ExifIfd0Directory>().FirstOrDefault();
if (exifIfd0Directory != null)
{
exifIfd0Directory.TryGetInt32(ExifDirectoryBase.TagImageHeight, out imageHeight);
exifIfd0Directory.TryGetInt32(ExifDirectoryBase.TagImageWidth, out imageWidth);
}
ExifSubIfdDirectory exifSubIfdDirectory = imageDirectories.OfType <ExifSubIfdDirectory>().FirstOrDefault(d => d.ContainsTag(ExifDirectoryBase.TagDateTimeOriginal));
originalDateTime = exifSubIfdDirectory?.GetDateTime(ExifDirectoryBase.TagDateTimeOriginal);
ImageFileInfo ifi = new ImageFileInfo()
{
FileFullPath = filename,
ImageHeight = imageHeight,
ImageSize = fileSize,
ImageWidth = imageWidth,
ImageModDateTime = modDate,
ImageOriginalDateTime = originalDateTime,
};
ifi.SetFileSystemInfo();
ImageFiles.AddImageFileInfoToDictionary(ifi);
ifi.InsertImageFileInfo(DBOConn);
}
break;
case ".psd":
{
List <ExifSubIfdDirectory> exifSubIfdDirectories = imageDirectories.OfType <ExifSubIfdDirectory>().ToList();
ExifSubIfdDirectory exifSubIfdDirectory = imageDirectories.OfType <ExifSubIfdDirectory>().FirstOrDefault(d => d.ContainsTag(ExifDirectoryBase.TagDateTimeOriginal));
originalDateTime = exifSubIfdDirectory?.GetDateTime(ExifDirectoryBase.TagDateTimeOriginal);
exifSubIfdDirectory?.TryGetInt32(ExifDirectoryBase.TagExifImageHeight, out imageHeight);
exifSubIfdDirectory?.TryGetInt32(ExifDirectoryBase.TagExifImageWidth, out imageWidth);
ImageFileInfo ifi = new ImageFileInfo()
{
FileFullPath = filename,
ImageHeight = imageHeight,
ImageSize = fileSize,
ImageWidth = imageWidth,
ImageModDateTime = modDate,
ImageOriginalDateTime = originalDateTime,
};
ifi.SetFileSystemInfo();
ImageFiles.AddImageFileInfoToDictionary(ifi);
ifi.InsertImageFileInfo(DBOConn);
}
break;
case ".bmp":
break;
case ".gif":
break;
default:
break;
}
}
catch (Exception ex)
{
ImageFileInfo ifi = new ImageFileInfo()
{
FileFullPath = filename,
};
ifi.SetFileSystemInfo();
ImageFiles.AddImageFileInfoToDictionary(ifi);
}
}
