public void Test_Constructor()
{
using (MemoryStream memStream = new MemoryStream())
{
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
ExifProfile profile = image.GetExifProfile();
Assert.IsNull(profile);
profile = new ExifProfile();
profile.SetValue(ExifTag.Copyright, "Dirk Lemstra");
image.AddProfile(profile);
profile = image.GetExifProfile();
Assert.IsNotNull(profile);
image.Write(memStream);
}
memStream.Position = 0;
using (MagickImage image = new MagickImage(memStream))
{
ExifProfile profile = image.GetExifProfile();
Assert.IsNotNull(profile);
Assert.AreEqual(1, profile.Values.Count());
ExifValue value = profile.Values.FirstOrDefault(val => val.Tag == ExifTag.Copyright);
TestValue(value, "Dirk Lemstra");
}
}
}
public bool Save(string rootpath)
{
bool success = false;
ImageMagick.ExifProfile exifprofile = new ImageMagick.ExifProfile();
exifprofile.SetValue(ExifTag.Copyright, " ©" + Copyright);
exifprofile.SetValue(ExifTag.Artist, Creator);
exifprofile.SetValue(ExifTag.ImageDescription, Subject);
exifprofile.SetValue(ExifTag.Software, Software);
_image.AddProfile(exifprofile);
ImageMagick.IptcProfile iptcprofile = new ImageMagick.IptcProfile();
iptcprofile.SetValue(IptcTag.CopyrightNotice, "No Unauthorized reproduction ©" + Copyright);
iptcprofile.SetValue(IptcTag.Byline, Creator);
iptcprofile.SetValue(IptcTag.Country, Country);
iptcprofile.SetValue(IptcTag.Headline, Headline);
iptcprofile.SetValue(IptcTag.Keyword, Keywords);
iptcprofile.SetValue(IptcTag.Source, Source);
iptcprofile.SetValue(IptcTag.Caption, Subject);
iptcprofile.SetValue(IptcTag.Title, Title);
_image.AddProfile(iptcprofile);
_image.Write(rootpath);
success = true;
return(success);
}
private static void TestProfile(ExifProfile profile)
{
Assert.IsNotNull(profile);
Assert.AreEqual(44, profile.Values.Count());
foreach (ExifValue value in profile.Values)
{
Assert.IsNotNull(value.Value);
if (value.Tag == ExifTag.Software)
Assert.AreEqual("Adobe Photoshop 7.0", value.ToString());
if (value.Tag == ExifTag.XResolution)
Assert.AreEqual(300.0, value.Value);
if (value.Tag == ExifTag.GPSLatitude)
{
double[] pos = (double[])value.Value;
Assert.AreEqual(54, pos[0]);
Assert.AreEqual(59.38, pos[1]);
Assert.AreEqual(0, pos[2]);
}
if (value.Tag == ExifTag.ShutterSpeedValue)
Assert.AreEqual(9.5, value.Value);
}
}
//public PhotoInfo ReadExif2(string name)
//{
// PhotoInfo info = new PhotoInfo() { FileName = name };
// using (MagickImage image = new MagickImage(name))
// {
// ExifProfile profile = image.GetExifProfile();
// ExifValue value = profile.GetValue(ExifTag.DateTimeDigitized);
// if (value.Value == null)
// throw new Exception("Неудалось считать дату и время файла");
// info.DateTimeDigitized = (DateTime)value.Value;
// value = profile.GetValue(ExifTag.Model);
// info.Model = (string)value.Value;
// if (info.Model == null)
// info.Model = "Неизвестная модель";
// }
// return info;
//}
public static void WriteExif(PhotoInfo info, int? quality)
{
// Для моего телефона не работает метод image.AddProfile. Т.к. для моего телефона дату менять ненадо, то пропускаем.
if (info.Model.ToUpper().Contains("HUAWEI P7-L10"))
return;
using (MagickImage image = new MagickImage(info.FileName))
{
if (quality != null && quality < image.Quality)
image.Quality = quality.Value;
ExifProfile profile = image.GetExifProfile();
if (profile == null)
profile = new ExifProfile();
profile.SetValue(ExifTag.DateTimeDigitized, info.DateTimeDigitized.ToString(DATE_TIME_FORMAT));
profile.SetValue(ExifTag.DateTime, info.DateTimeDigitized.ToString(DATE_TIME_FORMAT));
profile.SetValue(ExifTag.DateTimeOriginal, info.DateTimeDigitized.ToString(DATE_TIME_FORMAT));
//try
//{
image.AddProfile(profile, true);
image.Write(info.FileName);
//}
//catch (Exception exc)
//{
//}
}
}
public void Test_InvalidTag()
{
var exifProfile = new ExifProfile();
ExceptionAssert.Throws<NotSupportedException>(() =>
{
exifProfile.SetValue((ExifTag)42, 42);
});
}
public void Test_UnknownExifTag()
{
var exifProfile = new ExifProfile();
exifProfile.SetValue(ExifTag.ImageWidth, 42);
var bytes = exifProfile.ToByteArray();
bytes[16] = 42;
exifProfile = new ExifProfile(bytes);
ExifTag unkownTag = (ExifTag)298;
ExifValue value = exifProfile.GetValue(unkownTag);
Assert.AreEqual(42, value.Value);
Assert.AreEqual("42", value.ToString());
bytes = exifProfile.ToByteArray();
Assert.AreEqual(0, bytes.Length);
}
public void Test_ExifTag()
{
var exifProfile = new ExifProfile();
exifProfile.SetValue(ExifTag.ResolutionUnit, (ushort)1);
ExifValue value = exifProfile.GetValue(ExifTag.ResolutionUnit);
Assert.AreEqual("None", value.ToString());
exifProfile.SetValue(ExifTag.ResolutionUnit, (ushort)2);
value = exifProfile.GetValue(ExifTag.ResolutionUnit);
Assert.AreEqual("Inches", value.ToString());
exifProfile.SetValue(ExifTag.ResolutionUnit, (ushort)3);
value = exifProfile.GetValue(ExifTag.ResolutionUnit);
Assert.AreEqual("Centimeter", value.ToString());
exifProfile.SetValue(ExifTag.ResolutionUnit, (ushort)4);
value = exifProfile.GetValue(ExifTag.ResolutionUnit);
Assert.AreEqual("4", value.ToString());
exifProfile.SetValue(ExifTag.ImageWidth, 123);
value = exifProfile.GetValue(ExifTag.ImageWidth);
Assert.AreEqual("123", value.ToString());
}
public void Test_Constructor_Empty()
{
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
using (MemoryStream memStream = new MemoryStream())
{
ExifProfile profile = new ExifProfile(memStream);
image.AddProfile(profile);
}
}
}
