public virtual void TestThumbnailCompression()
{
ExifThumbnailDirectory directory = ExifReaderTest.ProcessBytes <ExifThumbnailDirectory>("Tests/Data/manuallyAddedThumbnail.jpg.app1");
// 6 means JPEG compression
Sharpen.Tests.AreEqual(6, directory.GetInt(ExifThumbnailDirectory.TagThumbnailCompression));
}
public virtual void TestResolution()
{
Com.Drew.Metadata.Metadata metadata = ExifReaderTest.ProcessBytes("Tests/Data/withUncompressedRGBThumbnail.jpg.app1");
ExifThumbnailDirectory thumbnailDirectory = metadata.GetDirectory <ExifThumbnailDirectory>();
NUnit.Framework.Assert.IsNotNull(thumbnailDirectory);
Sharpen.Tests.AreEqual(72, thumbnailDirectory.GetInt(ExifThumbnailDirectory.TagXResolution));
ExifIFD0Directory exifIFD0Directory = metadata.GetDirectory <ExifIFD0Directory>();
NUnit.Framework.Assert.IsNotNull(exifIFD0Directory);
Sharpen.Tests.AreEqual(216, exifIFD0Directory.GetInt(ExifIFD0Directory.TagXResolution));
}
public virtual void TestExifDirectory_MatchesKnownValues()
{
Sharpen.Tests.AreEqual(" ", _exifIFD0Directory.GetString(ExifIFD0Directory.TagImageDescription));
Sharpen.Tests.AreEqual("NIKON", _exifIFD0Directory.GetString(ExifIFD0Directory.TagMake));
Sharpen.Tests.AreEqual("E950", _exifIFD0Directory.GetString(ExifIFD0Directory.TagModel));
Sharpen.Tests.AreEqual(1, _exifIFD0Directory.GetInt(ExifIFD0Directory.TagOrientation));
Sharpen.Tests.AreEqual(300, _exifIFD0Directory.GetDouble(ExifIFD0Directory.TagXResolution), 0.001);
Sharpen.Tests.AreEqual(300, _exifIFD0Directory.GetDouble(ExifIFD0Directory.TagYResolution), 0.001);
Sharpen.Tests.AreEqual(2, _exifIFD0Directory.GetInt(ExifIFD0Directory.TagResolutionUnit));
Sharpen.Tests.AreEqual("v981-79", _exifIFD0Directory.GetString(ExifIFD0Directory.TagSoftware));
Sharpen.Tests.AreEqual("2001:04:06 11:51:40", _exifIFD0Directory.GetString(ExifIFD0Directory.TagDatetime));
Sharpen.Tests.AreEqual(2, _exifIFD0Directory.GetInt(ExifIFD0Directory.TagYcbcrPositioning));
Sharpen.Tests.AreEqual(new Rational(1, 77), _exifSubIFDDirectory.GetRational(ExifSubIFDDirectory.TagExposureTime));
Sharpen.Tests.AreEqual(5.5, _exifSubIFDDirectory.GetDouble(ExifSubIFDDirectory.TagFnumber), 0.001);
Sharpen.Tests.AreEqual(2, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagExposureProgram));
Sharpen.Tests.AreEqual(80, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagIsoEquivalent));
Sharpen.Tests.AreEqual("48 50 49 48", _exifSubIFDDirectory.GetString(ExifSubIFDDirectory.TagExifVersion));
Sharpen.Tests.AreEqual("2001:04:06 11:51:40", _exifSubIFDDirectory.GetString(ExifSubIFDDirectory.TagDatetimeDigitized));
Sharpen.Tests.AreEqual("2001:04:06 11:51:40", _exifSubIFDDirectory.GetString(ExifSubIFDDirectory.TagDatetimeOriginal));
Sharpen.Tests.AreEqual("1 2 3 0", _exifSubIFDDirectory.GetString(ExifSubIFDDirectory.TagComponentsConfiguration));
Sharpen.Tests.AreEqual(4, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagCompressedAverageBitsPerPixel));
Sharpen.Tests.AreEqual(0, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagExposureBias));
// this 2.6 *apex*, which is F2.5
Sharpen.Tests.AreEqual(2.6, _exifSubIFDDirectory.GetDouble(ExifSubIFDDirectory.TagMaxAperture), 0.001);
Sharpen.Tests.AreEqual(5, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagMeteringMode));
Sharpen.Tests.AreEqual(0, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagWhiteBalance));
Sharpen.Tests.AreEqual(0, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagFlash));
Sharpen.Tests.AreEqual(12.8, _exifSubIFDDirectory.GetDouble(ExifSubIFDDirectory.TagFocalLength), 0.001);
Sharpen.Tests.AreEqual("0 0 0 0 0 0 0 0 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32 32"
, _exifSubIFDDirectory.GetString(ExifSubIFDDirectory.TagUserComment));
Sharpen.Tests.AreEqual("48 49 48 48", _exifSubIFDDirectory.GetString(ExifSubIFDDirectory.TagFlashpixVersion));
Sharpen.Tests.AreEqual(1, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagColorSpace));
Sharpen.Tests.AreEqual(1600, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagExifImageWidth));
Sharpen.Tests.AreEqual(1200, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagExifImageHeight));
Sharpen.Tests.AreEqual(3, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagFileSource));
Sharpen.Tests.AreEqual(1, _exifSubIFDDirectory.GetInt(ExifSubIFDDirectory.TagSceneType));
Sharpen.Tests.AreEqual(6, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagThumbnailCompression));
Sharpen.Tests.AreEqual(2036, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagThumbnailOffset));
Sharpen.Tests.AreEqual(4662, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagThumbnailLength));
}
public virtual void TestDifferenceImageAndThumbnailOrientations()
{
// This metadata contains different orientations for the thumbnail and the main image.
// These values used to be merged into a single directory, causing errors.
// This unit test demonstrates correct behaviour.
Com.Drew.Metadata.Metadata metadata = ProcessBytes("Tests/Data/repeatedOrientationTagWithDifferentValues.jpg.app1");
ExifIFD0Directory ifd0Directory = metadata.GetFirstDirectoryOfType <ExifIFD0Directory>();
ExifThumbnailDirectory thumbnailDirectory = metadata.GetFirstDirectoryOfType <ExifThumbnailDirectory>();
NUnit.Framework.Assert.IsNotNull(ifd0Directory);
NUnit.Framework.Assert.IsNotNull(thumbnailDirectory);
Sharpen.Tests.AreEqual(1, ifd0Directory.GetInt(ExifIFD0Directory.TagOrientation));
Sharpen.Tests.AreEqual(8, thumbnailDirectory.GetInt(ExifThumbnailDirectory.TagOrientation));
}
public virtual void TestExifThumbnailDirectory_MatchesKnownValues()
{
Sharpen.Tests.AreEqual(6, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagThumbnailCompression));
Sharpen.Tests.AreEqual(1494, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagThumbnailOffset));
Sharpen.Tests.AreEqual(6077, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagThumbnailLength));
Sharpen.Tests.AreEqual(1494, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagThumbnailOffset));
Sharpen.Tests.AreEqual(72, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagXResolution));
Sharpen.Tests.AreEqual(72, _thumbDirectory.GetInt(ExifThumbnailDirectory.TagYResolution));
}
public virtual void TestThumbnailLength()
{
ExifThumbnailDirectory directory = ExifReaderTest.ProcessBytes <ExifThumbnailDirectory>("Tests/Data/manuallyAddedThumbnail.jpg.app1");
Sharpen.Tests.AreEqual(2970, directory.GetInt(ExifThumbnailDirectory.TagThumbnailLength));
}
