public async Task TestDoubleCompatibility(int length, bool bigTiff) { double[] refData = new double[length]; var rand = new Random(); for (int i = 0; i < refData.Length; i++) { refData[i] = rand.NextDouble(); } using Stream stream = await GenerateTiffAsync(bigTiff, async ifd => { await ifd.WriteTagAsync((TiffTag) 0x1234, TiffValueCollection.UnsafeWrap(refData)); }); await using (TiffFileReader reader = await TiffFileReader.OpenAsync(stream, leaveOpen: true)) { TiffImageFileDirectory ifd = await reader.ReadImageFileDirectoryAsync(); TiffFieldReader fieldReader = await reader.CreateFieldReaderAsync(); TiffImageFileDirectoryEntry entry = ifd.FindEntry((TiffTag)0x1234); Assert.Equal((TiffTag)0x1234, entry.Tag); // Byte await TestInvalidConversionAsync <byte>(fieldReader, entry, nameof(fieldReader.ReadByteFieldAsync), refData.Length); // SSbyte await TestInvalidConversionAsync <sbyte>(fieldReader, entry, nameof(fieldReader.ReadSByteFieldAsync), refData.Length); // Short await TestInvalidConversionAsync <ushort>(fieldReader, entry, nameof(fieldReader.ReadShortFieldAsync), refData.Length); // SShort await TestInvalidConversionAsync <short>(fieldReader, entry, nameof(fieldReader.ReadSShortFieldAsync), refData.Length); // Long await TestInvalidConversionAsync <uint>(fieldReader, entry, nameof(fieldReader.ReadLongFieldAsync), refData.Length); // SLong await TestInvalidConversionAsync <int>(fieldReader, entry, nameof(fieldReader.ReadSLongFieldAsync), refData.Length); // Float await TestInvalidConversionAsync <float>(fieldReader, entry, nameof(fieldReader.ReadFloatFieldAsync), refData.Length); // Double await TestValidConversionAsync(fieldReader, entry, nameof(fieldReader.ReadDoubleFieldAsync), refData); // Rational await TestInvalidConversionAsync <TiffRational>(fieldReader, entry, nameof(fieldReader.ReadRationalFieldAsync), refData.Length); // SRational await TestInvalidConversionAsync <TiffSRational>(fieldReader, entry, nameof(fieldReader.ReadSRationalFieldAsync), refData.Length); } }
public static async Task <int> Merge(FileInfo[] source, FileInfo output, CancellationToken cancellationToken) { if (source is null || source.Length == 0) { Console.WriteLine("Input TIFF file are not specified."); return(1); } if (output is null) { Console.WriteLine("Output TIFF file is not specified"); return(1); } await using TiffFileWriter writer = await TiffFileWriter.OpenAsync(output.FullName); TiffStreamOffset fistIfdOffset = default; TiffStreamOffset previousIfdOffset = default; foreach (FileInfo sourceFile in source) { await using TiffFileReader reader = await TiffFileReader.OpenAsync(sourceFile.FullName); await using TiffFileContentReader contentReader = await reader.CreateContentReaderAsync(); await using TiffFieldReader fieldReader = await reader.CreateFieldReaderAsync(cancellationToken); TiffStreamOffset inputIfdOffset = reader.FirstImageFileDirectoryOffset; while (!inputIfdOffset.IsZero) { TiffImageFileDirectory ifd = await reader.ReadImageFileDirectoryAsync(inputIfdOffset, cancellationToken); using (TiffImageFileDirectoryWriter ifdWriter = writer.CreateImageFileDirectory()) { await CopyIfdAsync(contentReader, fieldReader, ifd, ifdWriter, cancellationToken); previousIfdOffset = await ifdWriter.FlushAsync(previousIfdOffset); if (fistIfdOffset.IsZero) { fistIfdOffset = previousIfdOffset; } } inputIfdOffset = ifd.NextOffset; } } writer.SetFirstImageFileDirectoryOffset(fistIfdOffset); await writer.FlushAsync(); return(0); }
public async Task TestSLongCompatibility(int length, bool bigTiff) { int[] refData = new int[length]; new Random(42).NextBytes(MemoryMarshal.AsBytes(refData.AsSpan())); using Stream stream = await GenerateTiffAsync(bigTiff, async ifd => { await ifd.WriteTagAsync((TiffTag) 0x1234, TiffValueCollection.UnsafeWrap(refData)); }); await using (TiffFileReader reader = await TiffFileReader.OpenAsync(stream, leaveOpen: true)) { TiffImageFileDirectory ifd = await reader.ReadImageFileDirectoryAsync(); TiffFieldReader fieldReader = await reader.CreateFieldReaderAsync(); TiffImageFileDirectoryEntry entry = ifd.FindEntry((TiffTag)0x1234); Assert.Equal((TiffTag)0x1234, entry.Tag); // Byte await TestInvalidConversionAsync <byte>(fieldReader, entry, nameof(fieldReader.ReadByteFieldAsync), refData.Length); // SSbyte await TestInvalidConversionAsync <sbyte>(fieldReader, entry, nameof(fieldReader.ReadSByteFieldAsync), refData.Length); // Short await TestInvalidConversionAsync <ushort>(fieldReader, entry, nameof(fieldReader.ReadShortFieldAsync), refData.Length); // SShort await TestInvalidConversionAsync <short>(fieldReader, entry, nameof(fieldReader.ReadSShortFieldAsync), refData.Length); // Long await TestValidConversionAsync(fieldReader, entry, nameof(fieldReader.ReadLongFieldAsync), Array.ConvertAll(refData, v => (uint)v)); // SLong await TestValidConversionAsync(fieldReader, entry, nameof(fieldReader.ReadSLongFieldAsync), refData); // Float await TestInvalidConversionAsync <float>(fieldReader, entry, nameof(fieldReader.ReadFloatFieldAsync), refData.Length); // Double await TestInvalidConversionAsync <double>(fieldReader, entry, nameof(fieldReader.ReadDoubleFieldAsync), refData.Length); // Rational await TestInvalidConversionAsync <TiffRational>(fieldReader, entry, nameof(fieldReader.ReadRationalFieldAsync), refData.Length); // SRational await TestValidConversionAsync(fieldReader, entry, nameof(fieldReader.ReadSRationalFieldAsync), Array.ConvertAll(refData, v => new TiffSRational(v, 1))); } }
public static async Task <int> Dump(FileInfo file, long?offset, CancellationToken cancellationToken) { await using TiffFileReader tiff = await TiffFileReader.OpenAsync(file.FullName); await using TiffFieldReader fieldReader = await tiff.CreateFieldReaderAsync(cancellationToken); Console.WriteLine("Input File: " + file.FullName); Console.WriteLine($"StandardTIFF: {tiff.IsStandardTiff}, BigTIFF: {tiff.IsBigTiff}, IsLittleEndian: {tiff.IsLittleEndian}"); Console.WriteLine("First IFD: " + tiff.FirstImageFileDirectoryOffset); Console.WriteLine(); int ifdIndex = 0; TiffStreamOffset ifdOffset = offset.HasValue ? new TiffStreamOffset(offset.GetValueOrDefault()) : tiff.FirstImageFileDirectoryOffset; while (!ifdOffset.IsZero) { TiffImageFileDirectory ifd = await tiff.ReadImageFileDirectoryAsync(ifdOffset, cancellationToken); Console.WriteLine($"IFD #{ifdIndex++} (Offset = {ifdOffset})"); Console.WriteLine(" Well-known Tags:"); await DumpWellKnownTagsAsync(fieldReader, ifd, cancellationToken); Console.WriteLine(); Console.WriteLine(" Tags:"); for (int i = 0; i < ifd.Count; i++) { TiffImageFileDirectoryEntry entry = ifd[i]; await DumpIfdEntryAsync(i, fieldReader, entry, cancellationToken); } if (ifd.Count == 0) { Console.WriteLine(" No tags found."); } Console.WriteLine(); Console.WriteLine(); ifdOffset = ifd.NextOffset; } return(0); }