diff --git a/src/ImageSharp/Formats/Tiff/TiffConfigurationModule.cs b/src/ImageSharp/Formats/Tiff/TiffConfigurationModule.cs index 5dfda95e8..656483435 100644 --- a/src/ImageSharp/Formats/Tiff/TiffConfigurationModule.cs +++ b/src/ImageSharp/Formats/Tiff/TiffConfigurationModule.cs @@ -14,6 +14,8 @@ namespace SixLabors.ImageSharp.Formats.Tiff configuration.ImageFormatsManager.SetEncoder(TiffFormat.Instance, new TiffEncoder()); configuration.ImageFormatsManager.SetDecoder(TiffFormat.Instance, new TiffDecoder()); configuration.ImageFormatsManager.AddImageFormatDetector(new TiffImageFormatDetector(false)); + + configuration.ImageFormatsManager.AddImageFormatDetector(new TiffImageFormatDetector(true)); } } } diff --git a/tests/ImageSharp.Tests/Formats/Tiff/BigTiffDecoderTests.cs b/tests/ImageSharp.Tests/Formats/Tiff/BigTiffDecoderTests.cs index fc507513b..7843ba4b9 100644 --- a/tests/ImageSharp.Tests/Formats/Tiff/BigTiffDecoderTests.cs +++ b/tests/ImageSharp.Tests/Formats/Tiff/BigTiffDecoderTests.cs @@ -3,6 +3,8 @@ // ReSharper disable InconsistentNaming using System; +using System.IO; +using SixLabors.ImageSharp.Metadata; using SixLabors.ImageSharp.PixelFormats; using Xunit; @@ -31,5 +33,54 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff [WithFile(BigTIFFLong8Tiles, PixelTypes.Rgba32)] public void ThrowsNotSupported(TestImageProvider provider) where TPixel : unmanaged, IPixel => Assert.Throws(() => provider.GetImage(TiffDecoder)); + + [Theory] + [InlineData(BigTIFF, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)] + [InlineData(BigTIFFLong, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)] + [InlineData(BigTIFFLong8, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)] + [InlineData(BigTIFFMotorola, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)] + [InlineData(BigTIFFMotorolaLongStrips, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)] + [InlineData(BigTIFFSubIFD4, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)] + [InlineData(BigTIFFSubIFD8, 24, 64, 64, 96, 96, PixelResolutionUnit.PixelsPerInch)] + public void Identify(string imagePath, int expectedPixelSize, int expectedWidth, int expectedHeight, double expectedHResolution, double expectedVResolution, PixelResolutionUnit expectedResolutionUnit) + { + var testFile = TestFile.Create(imagePath); + using (var stream = new MemoryStream(testFile.Bytes, false)) + { + IImageInfo info = Image.Identify(stream); + + Assert.Equal(expectedPixelSize, info.PixelType?.BitsPerPixel); + Assert.Equal(expectedWidth, info.Width); + Assert.Equal(expectedHeight, info.Height); + Assert.NotNull(info.Metadata); + Assert.Equal(expectedHResolution, info.Metadata.HorizontalResolution); + Assert.Equal(expectedVResolution, info.Metadata.VerticalResolution); + Assert.Equal(expectedResolutionUnit, info.Metadata.ResolutionUnits); + + ImageSharp.Formats.Tiff.TiffMetadata tiffmeta = info.Metadata.GetTiffMetadata(); + Assert.NotNull(tiffmeta); + Assert.True(tiffmeta.IsBigTiff); + } + } + + [Theory] + [InlineData(BigTIFFLong, ImageSharp.ByteOrder.LittleEndian)] + [InlineData(BigTIFFMotorola, ImageSharp.ByteOrder.BigEndian)] + public void ByteOrder(string imagePath, ByteOrder expectedByteOrder) + { + var testFile = TestFile.Create(imagePath); + using (var stream = new MemoryStream(testFile.Bytes, false)) + { + IImageInfo info = Image.Identify(stream); + + Assert.NotNull(info.Metadata); + Assert.Equal(expectedByteOrder, info.Metadata.GetTiffMetadata().ByteOrder); + + stream.Seek(0, SeekOrigin.Begin); + + using var img = Image.Load(stream); + Assert.Equal(expectedByteOrder, img.Metadata.GetTiffMetadata().ByteOrder); + } + } } }