public void Log_ValidPosition_SaveImageToFileWithPosition()
{
// Arrange
var stream = new MemoryStream();
var fileSystemMock = new Mock<IFileSystem>();
fileSystemMock.Setup(fs => fs.OpenWrite(It.IsAny<string>())).Returns(stream);
AlrpFileLogger target = new AlrpFileLogger(fileSystemMock.Object, "");
// Act
var position = new Position()
{
Latitude = 1.0,
Longitude = 2.0
};
var image = Image.FromFile("image_withgps.jpg");
target.Log(position, image);
// Assert
var actual = stream.ToArray();
File.WriteAllBytes("c:\\test.jpg", actual);
}
private void AddGeotag(Image image, Position position)
{
byte[] latitude = BitConverter.GetBytes(position.Latitude);
byte[] longitude = BitConverter.GetBytes(position.Longitude);
WriteExifString(image, PropertyTagSoftwareUsed, "PI ALPR");
var lat = image.PropertyItems.Where(p => p.Id == PropertyTagGpsLatitude).Single();
//PropertyItem longitudeProperty = image.PropertyItems[0];
//longitudeProperty.Id = 0x0002;
//longitudeProperty.Type = 5;
//longitudeProperty.Len = longitude.Length;
//longitudeProperty.Value = longitude;
//image.SetPropertyItem(longitudeProperty);
//PropertyItem latitudeProperty = image.PropertyItems[0];
//latitudeProperty.Id = 0x0004;
//latitudeProperty.Type = 5;
//longitudeProperty.Len = longitude.Length;
//latitudeProperty.Value = latitude;
//image.SetPropertyItem(latitudeProperty);
}
public void Log(Position position, Image image)
{
this.CleanupOldFiles();
this.AddGeotag(image, position);
string path = this.GetPath(position);
// We can mock OpenWrite to return a MemoryStream
using (var stream = this.fileSystem.OpenWrite(path))
{
image.Save(stream, ImageFormat.Jpeg);
}
}
private string GetPath(Position position)
{
return "";
//throw new NotImplementedException();
}