public Task <IImageInfo> IdentifyAsync(Stream stream, CancellationToken cancellationToken)
{
if (!stream.CanSeek)
{
throw new InvalidOperationException("TIFF stream must be seekable.");
}
return(IdentifyCoreAsync(TiffFileContentSource.Create(stream, true), cancellationToken));
}
public Task <Image <TPixel> > DecodeAsync <TPixel>(Stream stream, CancellationToken cancellationToken) where TPixel : unmanaged, IPixel <TPixel>
{
if (!stream.CanSeek)
{
throw new InvalidOperationException("TIFF stream must be seekable.");
}
return(DecodeCoreAsync <TPixel>(TiffFileContentSource.Create(stream, true), cancellationToken));
}
public static IEnumerable <object[]> GetContentSources()
{
// Reference content
string file = @"Assets/PhotometricInterpretation/flower-minisblack-big-endian.tif";
byte[] referenceContent = File.ReadAllBytes(file);
byte[] clonedContent = new byte[2000 + referenceContent.Length];
referenceContent.CopyTo(clonedContent, 1000);
// File source
yield return(new object[]
{
referenceContent,
TiffFileContentSource.Create(file, preferAsync: true)
});
// Stream source
yield return(new object[]
{
referenceContent,
TiffFileContentSource.Create(new MemoryStream(clonedContent, 1000, referenceContent.Length, writable: false), leaveOpen: true)
});
// ReadOnlyMemory source
yield return(new object[]
{
referenceContent,
TiffFileContentSource.Create(clonedContent.AsMemory(1000, referenceContent.Length))
});
// byte[] source
yield return(new object[]
{
referenceContent,
TiffFileContentSource.Create(clonedContent, 1000, referenceContent.Length)
});
var mmf = MemoryMappedFile.CreateFromFile(file, FileMode.Open, null, 0, MemoryMappedFileAccess.Read);
byte[] mmfContent;
using (MemoryMappedViewStream mmfStream = mmf.CreateViewStream(0, 0, MemoryMappedFileAccess.Read))
{
mmfContent = new byte[mmfStream.Length];
mmfStream.Read(mmfContent, 0, mmfContent.Length);
}
// Memory-mapped file source
yield return(new object[]
{
mmfContent,
TiffFileContentSource.Create(mmf, leaveOpen: false)
});
}