internal static void ClearValue(this ExifProfile profile, ExifTag tag)
{
if (profile.GetValue(tag) != null)
{
profile.RemoveValue(tag);
}
}
private static void RemoveTag <T>(ExifTag <T> exifTag, ExifProfile exifProfile)
{
if (exifProfile.GetValue <T>(exifTag) != null)
{
exifProfile.RemoveValue(exifTag);
}
}
public void ShouldRemoveFalseWhenProfileDoesNotContainTag()
{
using (IMagickImage image = new MagickImage(Files.FujiFilmFinePixS1ProJPG))
{
ExifProfile profile = image.GetExifProfile();
Assert.IsFalse(profile.RemoveValue(ExifTag.Acceleration));
}
}
public void ShouldRemoveValueAndReturnTrue()
{
using (IMagickImage image = new MagickImage(Files.FujiFilmFinePixS1ProJPG))
{
ExifProfile profile = image.GetExifProfile();
Assert.IsTrue(profile.RemoveValue(ExifTag.FNumber));
}
}
/// <summary>
/// Parses the given Exif profile to populate the properties of the tiff frame meta data.
/// </summary>
/// <param name="meta">The tiff frame meta data.</param>
/// <param name="profile">The Exif profile containing tiff frame directory tags.</param>
internal static void Parse(TiffFrameMetadata meta, ExifProfile profile)
{
if (profile != null)
{
if (TiffBitsPerSample.TryParse(profile.GetValue(ExifTag.BitsPerSample)?.Value, out TiffBitsPerSample bitsPerSample))
{
meta.BitsPerSample = bitsPerSample;
}
meta.BitsPerPixel = meta.BitsPerSample?.BitsPerPixel();
meta.Compression = (TiffCompression?)profile.GetValue(ExifTag.Compression)?.Value;
meta.PhotometricInterpretation = (TiffPhotometricInterpretation?)profile.GetValue(ExifTag.PhotometricInterpretation)?.Value;
meta.Predictor = (TiffPredictor?)profile.GetValue(ExifTag.Predictor)?.Value;
profile.RemoveValue(ExifTag.BitsPerSample);
profile.RemoveValue(ExifTag.Compression);
profile.RemoveValue(ExifTag.PhotometricInterpretation);
profile.RemoveValue(ExifTag.Predictor);
}
}
/// <summary>
/// Updates the dimensional metadata of a transformed image
/// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The image to update</param>
public static void UpdateDimensionalMetData <TPixel>(Image <TPixel> image)
where TPixel : struct, IPixel <TPixel>
{
ExifProfile profile = image.MetaData.ExifProfile;
if (profile == null)
{
return;
}
// Removing the previously stored value allows us to set a value with our own data tag if required.
if (profile.GetValue(ExifTag.PixelXDimension) != null)
{
profile.RemoveValue(ExifTag.PixelXDimension);
if (image.Width <= ushort.MaxValue)
{
profile.SetValue(ExifTag.PixelXDimension, (ushort)image.Width);
}
else
{
profile.SetValue(ExifTag.PixelXDimension, (uint)image.Width);
}
}
if (profile.GetValue(ExifTag.PixelYDimension) != null)
{
profile.RemoveValue(ExifTag.PixelYDimension);
if (image.Height <= ushort.MaxValue)
{
profile.SetValue(ExifTag.PixelYDimension, (ushort)image.Height);
}
else
{
profile.SetValue(ExifTag.PixelYDimension, (uint)image.Height);
}
}
}
/// <inheritdoc/>
protected override void AfterImageApply(Image <TPixel> source, Image <TPixel> destination, Rectangle sourceRectangle)
{
ExifProfile profile = destination.MetaData.ExifProfile;
if (profile == null)
{
return;
}
if (MathF.Abs(WrapDegrees(this.Degrees)) < Constants.Epsilon)
{
// No need to do anything so return.
return;
}
profile.RemoveValue(ExifTag.Orientation);
base.AfterImageApply(source, destination, sourceRectangle);
}
/// <inheritdoc/>
protected override void AfterImageApply(Image <TPixel> source, Rectangle sourceRectangle)
{
ExifProfile profile = source.MetaData.ExifProfile;
if (profile == null)
{
return;
}
if (MathF.Abs(this.Angle) < Constants.Epsilon)
{
// No need to do anything so return.
return;
}
profile.RemoveValue(ExifTag.Orientation);
if (this.Expand && profile.GetValue(ExifTag.PixelXDimension) != null)
{
profile.SetValue(ExifTag.PixelXDimension, source.Width);
profile.SetValue(ExifTag.PixelYDimension, source.Height);
}
}
public void Test_SetValue()
{
Rational[] latitude = new Rational[] { new Rational(12.3), new Rational(4.56), new Rational(789.0) };
using (MemoryStream memStream = new MemoryStream())
{
using (IMagickImage image = new MagickImage(Files.FujiFilmFinePixS1ProJPG))
{
ExifProfile profile = image.GetExifProfile();
profile.SetValue(ExifTag.Software, "Magick.NET");
ExifValue value = profile.GetValue(ExifTag.Software);
TestValue(value, "Magick.NET");
ExceptionAssert.Throws <ArgumentException>(delegate()
{
value.Value = 15;
});
profile.SetValue(ExifTag.ShutterSpeedValue, new SignedRational(75.55));
value = profile.GetValue(ExifTag.ShutterSpeedValue);
TestRationalValue(value, "1511/20");
ExceptionAssert.Throws <ArgumentException>(delegate()
{
value.Value = 75;
});
profile.SetValue(ExifTag.XResolution, new Rational(150.0));
value = profile.GetValue(ExifTag.XResolution);
TestRationalValue(value, "150");
ExceptionAssert.Throws <ArgumentException>(delegate()
{
value.Value = "Magick.NET";
});
image.Density = new Density(72);
value = profile.GetValue(ExifTag.XResolution);
TestRationalValue(value, "150");
value = profile.GetValue(ExifTag.ReferenceBlackWhite);
Assert.IsNotNull(value);
profile.SetValue(ExifTag.ReferenceBlackWhite, null);
value = profile.GetValue(ExifTag.ReferenceBlackWhite);
TestValue(value, (string)null);
profile.SetValue(ExifTag.GPSLatitude, latitude);
value = profile.GetValue(ExifTag.GPSLatitude);
TestValue(value, latitude);
image.AddProfile(profile);
image.Write(memStream);
}
memStream.Position = 0;
using (IMagickImage image = new MagickImage(memStream))
{
ExifProfile profile = image.GetExifProfile();
Assert.IsNotNull(profile);
Assert.AreEqual(43, profile.Values.Count());
ExifValue value = profile.GetValue(ExifTag.Software);
TestValue(value, "Magick.NET");
value = profile.GetValue(ExifTag.ShutterSpeedValue);
TestRationalValue(value, "1511/20");
value = profile.GetValue(ExifTag.XResolution);
TestRationalValue(value, "72");
value = profile.GetValue(ExifTag.ReferenceBlackWhite);
Assert.IsNull(value);
value = profile.GetValue(ExifTag.GPSLatitude);
TestValue(value, latitude);
profile.Parts = ExifParts.ExifTags;
image.AddProfile(profile);
memStream.Position = 0;
image.Write(memStream);
}
memStream.Position = 0;
using (IMagickImage image = new MagickImage(memStream))
{
ExifProfile profile = image.GetExifProfile();
Assert.IsNotNull(profile);
Assert.AreEqual(24, profile.Values.Count());
Assert.IsNotNull(profile.GetValue(ExifTag.FNumber));
Assert.IsTrue(profile.RemoveValue(ExifTag.FNumber));
Assert.IsFalse(profile.RemoveValue(ExifTag.FNumber));
Assert.IsNull(profile.GetValue(ExifTag.FNumber));
Assert.AreEqual(23, profile.Values.Count());
}
}
}
private void ProcessProfiles(ImageMetadata imageMetadata, ExifProfile exifProfile, XmpProfile xmpProfile)
{
if (exifProfile != null && exifProfile.Parts != ExifParts.None)
{
foreach (IExifValue entry in exifProfile.Values)
{
if (!this.Collector.Entries.Exists(t => t.Tag == entry.Tag) && entry.GetValue() != null)
{
ExifParts entryPart = ExifTags.GetPart(entry.Tag);
if (entryPart != ExifParts.None && exifProfile.Parts.HasFlag(entryPart))
{
this.Collector.AddOrReplace(entry.DeepClone());
}
}
}
}
else
{
exifProfile.RemoveValue(ExifTag.SubIFDOffset);
}
if (imageMetadata.IptcProfile != null)
{
imageMetadata.IptcProfile.UpdateData();
var iptc = new ExifByteArray(ExifTagValue.IPTC, ExifDataType.Byte)
{
Value = imageMetadata.IptcProfile.Data
};
this.Collector.Add(iptc);
}
else
{
exifProfile.RemoveValue(ExifTag.IPTC);
}
if (imageMetadata.IccProfile != null)
{
var icc = new ExifByteArray(ExifTagValue.IccProfile, ExifDataType.Undefined)
{
Value = imageMetadata.IccProfile.ToByteArray()
};
this.Collector.Add(icc);
}
else
{
exifProfile.RemoveValue(ExifTag.IccProfile);
}
if (xmpProfile != null)
{
var xmp = new ExifByteArray(ExifTagValue.XMP, ExifDataType.Byte)
{
Value = xmpProfile.Data
};
this.Collector.Add(xmp);
}
else
{
exifProfile.RemoveValue(ExifTag.XMP);
}
}
