Merge remote-tracking branch 'origin/master' into bp/predictor

# Conflicts:
#	tests/ImageSharp.Tests/Formats/Tiff/TiffDecoderTests.cs
#	tests/ImageSharp.Tests/TestImages.cs

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/BlackIsZero32FloatTiffColor{TPixel}.cs

@@ -0,0 +1,69 @@
+// Copyright (c) Six Labors.
+// Licensed under the Apache License, Version 2.0.
+
+using System;
+using System.Numerics;
+using SixLabors.ImageSharp.Formats.Tiff.Utils;
+using SixLabors.ImageSharp.Memory;
+using SixLabors.ImageSharp.PixelFormats;
+
+namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
+{
+    /// <summary>
+    /// Implements the 'BlackIsZero' photometric interpretation for 32-bit float grayscale images.
+    /// </summary>
+    internal class BlackIsZero32FloatTiffColor<TPixel> : TiffBaseColorDecoder<TPixel>
+        where TPixel : unmanaged, IPixel<TPixel>
+    {
+        private readonly bool isBigEndian;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BlackIsZero32FloatTiffColor{TPixel}" /> class.
+        /// </summary>
+        /// <param name="isBigEndian">if set to <c>true</c> decodes the pixel data as big endian, otherwise as little endian.</param>
+        public BlackIsZero32FloatTiffColor(bool isBigEndian) => this.isBigEndian = isBigEndian;
+
+        /// <inheritdoc/>
+        public override void Decode(ReadOnlySpan<byte> data, Buffer2D<TPixel> pixels, int left, int top, int width, int height)
+        {
+            // Note: due to an issue with netcore 2.1 and default values and unpredictable behavior with those,
+            // we define our own defaults as a workaround. See: https://github.com/dotnet/runtime/issues/55623
+            var color = default(TPixel);
+            color.FromVector4(TiffUtils.Vector4Default);
+            byte[] buffer = new byte[4];
+
+            int offset = 0;
+            for (int y = top; y < top + height; y++)
+            {
+                Span<TPixel> pixelRow = pixels.GetRowSpan(y).Slice(left, width);
+                if (this.isBigEndian)
+                {
+                    for (int x = 0; x < pixelRow.Length; x++)
+                    {
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        Array.Reverse(buffer);
+                        float intensity = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        var colorVector = new Vector4(intensity, intensity, intensity, 1.0f);
+                        color.FromVector4(colorVector);
+                        pixelRow[x] = color;
+                    }
+                }
+                else
+                {
+                    for (int x = 0; x < pixelRow.Length; x++)
+                    {
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        float intensity = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        var colorVector = new Vector4(intensity, intensity, intensity, 1.0f);
+                        color.FromVector4(colorVector);
+                        pixelRow[x] = color;
+                    }
+                }
+            }
+        }
+    }
+}

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/RgbFloat323232TiffColor{TPixel}.cs

@@ -0,0 +1,88 @@
+// Copyright (c) Six Labors.
+// Licensed under the Apache License, Version 2.0.
+
+using System;
+using System.Numerics;
+using SixLabors.ImageSharp.Formats.Tiff.Utils;
+using SixLabors.ImageSharp.Memory;
+using SixLabors.ImageSharp.PixelFormats;
+
+namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
+{
+    /// <summary>
+    /// Implements the 'RGB' photometric interpretation with 32 bits for each channel.
+    /// </summary>
+    internal class RgbFloat323232TiffColor<TPixel> : TiffBaseColorDecoder<TPixel>
+        where TPixel : unmanaged, IPixel<TPixel>
+    {
+        private readonly bool isBigEndian;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RgbFloat323232TiffColor{TPixel}" /> class.
+        /// </summary>
+        /// <param name="isBigEndian">if set to <c>true</c> decodes the pixel data as big endian, otherwise as little endian.</param>
+        public RgbFloat323232TiffColor(bool isBigEndian) => this.isBigEndian = isBigEndian;
+
+        /// <inheritdoc/>
+        public override void Decode(ReadOnlySpan<byte> data, Buffer2D<TPixel> pixels, int left, int top, int width, int height)
+        {
+            // Note: due to an issue with netcore 2.1 and default values and unpredictable behavior with those,
+            // we define our own defaults as a workaround. See: https://github.com/dotnet/runtime/issues/55623
+            var color = default(TPixel);
+            color.FromVector4(TiffUtils.Vector4Default);
+            int offset = 0;
+            byte[] buffer = new byte[4];
+
+            for (int y = top; y < top + height; y++)
+            {
+                Span<TPixel> pixelRow = pixels.GetRowSpan(y).Slice(left, width);
+
+                if (this.isBigEndian)
+                {
+                    for (int x = 0; x < pixelRow.Length; x++)
+                    {
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        Array.Reverse(buffer);
+                        float r = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        Array.Reverse(buffer);
+                        float g = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        Array.Reverse(buffer);
+                        float b = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        var colorVector = new Vector4(r, g, b, 1.0f);
+                        color.FromVector4(colorVector);
+                        pixelRow[x] = color;
+                    }
+                }
+                else
+                {
+                    for (int x = 0; x < pixelRow.Length; x++)
+                    {
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        float r = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        float g = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        float b = BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        var colorVector = new Vector4(r, g, b, 1.0f);
+                        color.FromVector4(colorVector);
+                        pixelRow[x] = color;
+                    }
+                }
+            }
+        }
+    }
+}

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/TiffColorDecoderFactory{TPixel}.cs

@@ -47,6 +47,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                     DebugGuard.IsTrue(colorMap == null, "colorMap");
                     return new WhiteIsZero32TiffColor<TPixel>(byteOrder == ByteOrder.BigEndian);
 
+                case TiffColorType.WhiteIsZero32Float:
+                    DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 32, "bitsPerSample");
+                    DebugGuard.IsTrue(colorMap == null, "colorMap");
+                    return new WhiteIsZero32FloatTiffColor<TPixel>(byteOrder == ByteOrder.BigEndian);
+
                 case TiffColorType.BlackIsZero:
                     DebugGuard.IsTrue(bitsPerSample.Channels == 1, "bitsPerSample");
                     DebugGuard.IsTrue(colorMap == null, "colorMap");
@@ -82,6 +87,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                     DebugGuard.IsTrue(colorMap == null, "colorMap");
                     return new BlackIsZero32TiffColor<TPixel>(byteOrder == ByteOrder.BigEndian);
 
+                case TiffColorType.BlackIsZero32Float:
+                    DebugGuard.IsTrue(bitsPerSample.Channels == 1 && bitsPerSample.Channel0 == 32, "bitsPerSample");
+                    DebugGuard.IsTrue(colorMap == null, "colorMap");
+                    return new BlackIsZero32FloatTiffColor<TPixel>(byteOrder == ByteOrder.BigEndian);
+
                 case TiffColorType.Rgb:
                     DebugGuard.IsTrue(colorMap == null, "colorMap");
                     return new RgbTiffColor<TPixel>(bitsPerSample);
@@ -176,6 +186,16 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                     DebugGuard.IsTrue(colorMap == null, "colorMap");
                     return new Rgb323232TiffColor<TPixel>(isBigEndian: byteOrder == ByteOrder.BigEndian);
 
+                case TiffColorType.RgbFloat323232:
+                    DebugGuard.IsTrue(
+                        bitsPerSample.Channels == 3
+                        && bitsPerSample.Channel2 == 32
+                        && bitsPerSample.Channel1 == 32
+                        && bitsPerSample.Channel0 == 32,
+                        "bitsPerSample");
+                    DebugGuard.IsTrue(colorMap == null, "colorMap");
+                    return new RgbFloat323232TiffColor<TPixel>(isBigEndian: byteOrder == ByteOrder.BigEndian);
+
                 case TiffColorType.PaletteColor:
                     DebugGuard.NotNull(colorMap, "colorMap");
                     return new PaletteTiffColor<TPixel>(bitsPerSample, colorMap);

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/TiffColorType.cs

@@ -43,6 +43,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
         /// </summary>
         BlackIsZero32,
 
+        /// <summary>
+        /// Grayscale: 0 is imaged as black. The maximum value is imaged as white. Pixel data is 32-bit float.
+        /// </summary>
+        BlackIsZero32Float,
+
         /// <summary>
         /// Grayscale: 0 is imaged as white. The maximum value is imaged as black.
         /// </summary>
@@ -78,6 +83,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
         /// </summary>
         WhiteIsZero32,
 
+        /// <summary>
+        /// Grayscale: 0 is imaged as black. The maximum value is imaged as white. Pixel data is 32-bit float.
+        /// </summary>
+        WhiteIsZero32Float,
+
         /// <summary>
         /// Palette-color.
         /// </summary>
@@ -133,6 +143,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
         /// </summary>
         Rgb323232,
 
+        /// <summary>
+        /// RGB color image with 32 bits floats for each channel.
+        /// </summary>
+        RgbFloat323232,
+
         /// <summary>
         /// RGB Full Color. Planar configuration of data. 8 Bit per color channel.
         /// </summary>

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/WhiteIsZero24TiffColor{TPixel}.cs

@@ -31,6 +31,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
             color.FromVector4(TiffUtils.Vector4Default);
             byte[] buffer = new byte[4];
             int bufferStartIdx = this.isBigEndian ? 1 : 0;
+            const uint maxValue = 0xFFFFFF;
 
             Span<byte> bufferSpan = buffer.AsSpan(bufferStartIdx);
             int offset = 0;
@@ -42,7 +43,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                     for (int x = 0; x < pixelRow.Length; x++)
                     {
                         data.Slice(offset, 3).CopyTo(bufferSpan);
-                        ulong intensity = TiffUtils.ConvertToUIntBigEndian(buffer);
+                        ulong intensity = maxValue - TiffUtils.ConvertToUIntBigEndian(buffer);
                         offset += 3;
 
                         pixelRow[x] = TiffUtils.ColorScaleTo24Bit(intensity, color);
@@ -53,7 +54,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                     for (int x = 0; x < pixelRow.Length; x++)
                     {
                         data.Slice(offset, 3).CopyTo(bufferSpan);
-                        ulong intensity = TiffUtils.ConvertToUIntLittleEndian(buffer);
+                        ulong intensity = maxValue - TiffUtils.ConvertToUIntLittleEndian(buffer);
                         offset += 3;
 
                         pixelRow[x] = TiffUtils.ColorScaleTo24Bit(intensity, color);

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/WhiteIsZero32FloatTiffColor{TPixel}.cs

@@ -0,0 +1,69 @@
+// Copyright (c) Six Labors.
+// Licensed under the Apache License, Version 2.0.
+
+using System;
+using System.Numerics;
+using SixLabors.ImageSharp.Formats.Tiff.Utils;
+using SixLabors.ImageSharp.Memory;
+using SixLabors.ImageSharp.PixelFormats;
+
+namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
+{
+    /// <summary>
+    /// Implements the 'WhiteIsZero' photometric interpretation for 32-bit float grayscale images.
+    /// </summary>
+    internal class WhiteIsZero32FloatTiffColor<TPixel> : TiffBaseColorDecoder<TPixel>
+        where TPixel : unmanaged, IPixel<TPixel>
+    {
+        private readonly bool isBigEndian;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="WhiteIsZero32FloatTiffColor{TPixel}" /> class.
+        /// </summary>
+        /// <param name="isBigEndian">if set to <c>true</c> decodes the pixel data as big endian, otherwise as little endian.</param>
+        public WhiteIsZero32FloatTiffColor(bool isBigEndian) => this.isBigEndian = isBigEndian;
+
+        /// <inheritdoc/>
+        public override void Decode(ReadOnlySpan<byte> data, Buffer2D<TPixel> pixels, int left, int top, int width, int height)
+        {
+            // Note: due to an issue with netcore 2.1 and default values and unpredictable behavior with those,
+            // we define our own defaults as a workaround. See: https://github.com/dotnet/runtime/issues/55623
+            var color = default(TPixel);
+            color.FromVector4(TiffUtils.Vector4Default);
+            byte[] buffer = new byte[4];
+
+            int offset = 0;
+            for (int y = top; y < top + height; y++)
+            {
+                Span<TPixel> pixelRow = pixels.GetRowSpan(y).Slice(left, width);
+                if (this.isBigEndian)
+                {
+                    for (int x = 0; x < pixelRow.Length; x++)
+                    {
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        Array.Reverse(buffer);
+                        float intensity = 1.0f - BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        var colorVector = new Vector4(intensity, intensity, intensity, 1.0f);
+                        color.FromVector4(colorVector);
+                        pixelRow[x] = color;
+                    }
+                }
+                else
+                {
+                    for (int x = 0; x < pixelRow.Length; x++)
+                    {
+                        data.Slice(offset, 4).CopyTo(buffer);
+                        float intensity = 1.0f - BitConverter.ToSingle(buffer, 0);
+                        offset += 4;
+
+                        var colorVector = new Vector4(intensity, intensity, intensity, 1.0f);
+                        color.FromVector4(colorVector);
+                        pixelRow[x] = color;
+                    }
+                }
+            }
+        }
+    }
+}

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/WhiteIsZero32TiffColor{TPixel}.cs

@@ -29,6 +29,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
             // we define our own defaults as a workaround. See: https://github.com/dotnet/runtime/issues/55623
             var color = default(TPixel);
             color.FromVector4(TiffUtils.Vector4Default);
+            const uint maxValue = 0xFFFFFFFF;
 
             int offset = 0;
             for (int y = top; y < top + height; y++)
@@ -38,7 +39,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                 {
                     for (int x = 0; x < pixelRow.Length; x++)
                     {
-                        ulong intensity = TiffUtils.ConvertToUIntBigEndian(data.Slice(offset, 4));
+                        ulong intensity = maxValue - TiffUtils.ConvertToUIntBigEndian(data.Slice(offset, 4));
                         offset += 4;
 
                         pixelRow[x] = TiffUtils.ColorScaleTo32Bit(intensity, color);
@@ -48,7 +49,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                 {
                     for (int x = 0; x < pixelRow.Length; x++)
                     {
-                        ulong intensity = TiffUtils.ConvertToUIntLittleEndian(data.Slice(offset, 4));
+                        ulong intensity = maxValue - TiffUtils.ConvertToUIntLittleEndian(data.Slice(offset, 4));
                         offset += 4;
 
                         pixelRow[x] = TiffUtils.ColorScaleTo32Bit(intensity, color);

src/ImageSharp/Formats/Tiff/PhotometricInterpretation/WhiteIsZero8TiffColor{TPixel}.cs

@@ -27,7 +27,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.PhotometricInterpretation
                 Span<TPixel> pixelRow = pixels.GetRowSpan(y).Slice(left, width);
                 for (int x = 0; x < pixelRow.Length; x++)
                 {
-                    byte intensity = (byte)(255 - data[offset++]);
+                    byte intensity = (byte)(byte.MaxValue - data[offset++]);
                     pixelRow[x] = TiffUtils.ColorFromL8(l8, intensity, color);
                 }
             }

src/ImageSharp/Formats/Tiff/TiffDecoderCore.cs

@@ -100,6 +100,11 @@ namespace SixLabors.ImageSharp.Formats.Tiff
         /// </summary>
         public TiffPhotometricInterpretation PhotometricInterpretation { get; set; }
 
+        /// <summary>
+        /// Gets or sets the sample format.
+        /// </summary>
+        public TiffSampleFormat SampleFormat { get; set; }
+
         /// <summary>
         /// Gets or sets the horizontal predictor.
         /// </summary>

src/ImageSharp/Formats/Tiff/TiffDecoderOptionsParser.cs

@@ -45,14 +45,16 @@ namespace SixLabors.ImageSharp.Formats.Tiff
                 TiffThrowHelper.ThrowNotSupported("TIFF images with FloatingPoint horizontal predictor are not supported.");
             }
 
-            TiffSampleFormat[] sampleFormat = exifProfile.GetValue(ExifTag.SampleFormat)?.Value?.Select(a => (TiffSampleFormat)a).ToArray();
-            if (sampleFormat != null)
+            TiffSampleFormat[] sampleFormats = exifProfile.GetValue(ExifTag.SampleFormat)?.Value?.Select(a => (TiffSampleFormat)a).ToArray();
+            TiffSampleFormat? sampleFormat = null;
+            if (sampleFormats != null)
             {
-                foreach (TiffSampleFormat format in sampleFormat)
+                sampleFormat = sampleFormats[0];
+                foreach (TiffSampleFormat format in sampleFormats)
                 {
-                    if (format != TiffSampleFormat.UnsignedInteger)
+                    if (format != TiffSampleFormat.UnsignedInteger && format != TiffSampleFormat.Float)
                     {
-                        TiffThrowHelper.ThrowNotSupported("ImageSharp only supports the UnsignedInteger SampleFormat.");
+                        TiffThrowHelper.ThrowNotSupported("ImageSharp only supports the UnsignedInteger and Float SampleFormat.");
                     }
                 }
             }
@@ -67,6 +69,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff
             options.PlanarConfiguration = (TiffPlanarConfiguration?)exifProfile.GetValue(ExifTag.PlanarConfiguration)?.Value ?? DefaultPlanarConfiguration;
             options.Predictor = frameMetadata.Predictor ?? TiffPredictor.None;
             options.PhotometricInterpretation = frameMetadata.PhotometricInterpretation ?? TiffPhotometricInterpretation.Rgb;
+            options.SampleFormat = sampleFormat ?? TiffSampleFormat.UnsignedInteger;
             options.BitsPerPixel = frameMetadata.BitsPerPixel != null ? (int)frameMetadata.BitsPerPixel.Value : (int)TiffBitsPerPixel.Bit24;
             options.BitsPerSample = frameMetadata.BitsPerSample ?? new TiffBitsPerSample(0, 0, 0);
             options.FillOrder = fillOrder;
@@ -114,6 +117,12 @@ namespace SixLabors.ImageSharp.Formats.Tiff
                     {
                         case 32:
                         {
+                            if (options.SampleFormat == TiffSampleFormat.Float)
+                            {
+                                options.ColorType = TiffColorType.WhiteIsZero32Float;
+                                return;
+                            }
+
                             options.ColorType = TiffColorType.WhiteIsZero32;
                             break;
                         }
@@ -175,6 +184,12 @@ namespace SixLabors.ImageSharp.Formats.Tiff
                     {
                         case 32:
                         {
+                            if (options.SampleFormat == TiffSampleFormat.Float)
+                            {
+                                options.ColorType = TiffColorType.BlackIsZero32Float;
+                                return;
+                            }
+
                             options.ColorType = TiffColorType.BlackIsZero32;
                             break;
                         }
@@ -238,6 +253,12 @@ namespace SixLabors.ImageSharp.Formats.Tiff
                         switch (bitsPerChannel)
                         {
                             case 32:
+                                if (options.SampleFormat == TiffSampleFormat.Float)
+                                {
+                                    options.ColorType = TiffColorType.RgbFloat323232;
+                                    return;
+                                }
+
                                 options.ColorType = TiffColorType.Rgb323232;
                                 break;
 

tests/ImageSharp.Tests/Formats/Tiff/TiffDecoderTests.cs

@@ -260,6 +260,17 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff
             image.DebugSave(provider);
         }
 
+        [Theory]
+        [WithFile(FlowerRgbFloat323232, PixelTypes.Rgba32)]
+        [WithFile(FlowerRgbFloat323232LittleEndian, PixelTypes.Rgba32)]
+        public void TiffDecoder_CanDecode_Float_96Bit<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            // Note: because the MagickReferenceDecoder fails to load the image, we only debug save them.
+            using Image<TPixel> image = provider.GetImage();
+            image.DebugSave(provider);
+        }
+
         [Theory]
         [WithFile(FlowerRgb323232PredictorBigEndian, PixelTypes.Rgba32)]
         [WithFile(FlowerRgb323232PredictorLittleEndian, PixelTypes.Rgba32)]
@@ -271,6 +282,19 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff
             image.DebugSave(provider);
         }
 
+        [Theory]
+        [WithFile(Flower32BitFloatGray, PixelTypes.Rgba32)]
+        [WithFile(Flower32BitFloatGrayLittleEndian, PixelTypes.Rgba32)]
+        [WithFile(Flower32BitFloatGrayMinIsWhite, PixelTypes.Rgba32)]
+        [WithFile(Flower32BitFloatGrayMinIsWhiteLittleEndian, PixelTypes.Rgba32)]
+        public void TiffDecoder_CanDecode_Float_96Bit_Gray<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : unmanaged, IPixel<TPixel>
+        {
+            // Note: because the MagickReferenceDecoder fails to load the image, we only debug save them.
+            using Image<TPixel> image = provider.GetImage();
+            image.DebugSave(provider);
+        }
+
         [Theory]
         [WithFile(GrayscaleDeflateMultistrip, PixelTypes.Rgba32)]
         [WithFile(RgbDeflateMultistrip, PixelTypes.Rgba32)]

tests/ImageSharp.Tests/TestImages.cs

@@ -565,6 +565,8 @@ namespace SixLabors.ImageSharp.Tests
             public const string RgbPalette = "Tiff/rgb_palette.tiff";
             public const string Rgb4BitPalette = "Tiff/bike_colorpalette_4bit.tiff";
             public const string RgbPaletteDeflate = "Tiff/rgb_palette_deflate.tiff";
+            public const string FlowerRgbFloat323232 = "Tiff/flower-rgb-float32_msb.tiff";
+            public const string FlowerRgbFloat323232LittleEndian = "Tiff/flower-rgb-float32_lsb.tiff";
             public const string FlowerRgb323232Contiguous = "Tiff/flower-rgb-contig-32.tiff";
             public const string FlowerRgb323232ContiguousLittleEndian = "Tiff/flower-rgb-contig-32_lsb.tiff";
             public const string FlowerRgb323232Planar = "Tiff/flower-rgb-planar-32.tiff";
@@ -604,14 +606,18 @@ namespace SixLabors.ImageSharp.Tests
             public const string Flower16BitGray = "Tiff/flower-minisblack-16.tiff";
             public const string Flower16BitGrayLittleEndian = "Tiff/flower-minisblack-16_lsb.tiff";
             public const string Flower16BitGrayMinIsWhiteLittleEndian = "Tiff/flower-miniswhite-16_lsb.tiff";
-            public const string Flower16BitGrayMinIsWhiteBigEndian = "Tiff/flower-miniswhite-16.tiff";
             public const string Flower16BitGrayPredictorBigEndian = "Tiff/flower-minisblack-16_msb_lzw_predictor.tiff";
             public const string Flower16BitGrayPredictorLittleEndian = "Tiff/flower-minisblack-16_lsb_lzw_predictor.tiff";
-            public const string Flower24BitGray = "Tiff/flower-minisblack-24.tiff";
+            public const string Flower16BitGrayMinIsWhiteBigEndian = "Tiff/flower-miniswhite-16_msb.tiff";
+            public const string Flower24BitGray = "Tiff/flower-minisblack-24_msb.tiff";
             public const string Flower24BitGrayLittleEndian = "Tiff/flower-minisblack-24_lsb.tiff";
-            public const string Flower32BitGray = "Tiff/flower-minisblack-32.tiff";
+            public const string Flower32BitGray = "Tiff/flower-minisblack-32_msb.tiff";
             public const string Flower32BitGrayLittleEndian = "Tiff/flower-minisblack-32_lsb.tiff";
-            public const string Flower32BitGrayMinIsWhite = "Tiff/flower-miniswhite-32.tiff";
+            public const string Flower32BitFloatGray = "Tiff/flower-minisblack-float32_msb.tiff";
+            public const string Flower32BitFloatGrayLittleEndian = "Tiff/flower-minisblack-float32_lsb.tiff";
+            public const string Flower32BitFloatGrayMinIsWhite = "Tiff/flower-miniswhite-float32_msb.tiff";
+            public const string Flower32BitFloatGrayMinIsWhiteLittleEndian = "Tiff/flower-miniswhite-float32_lsb.tiff";
+            public const string Flower32BitGrayMinIsWhite = "Tiff/flower-miniswhite-32_msb.tiff";
             public const string Flower32BitGrayMinIsWhiteLittleEndian = "Tiff/flower-miniswhite-32_lsb.tiff";
             public const string Flower32BitGrayPredictorBigEndian = "Tiff/flower-minisblack-32_msb_deflate_predictor.tiff";
             public const string Flower32BitGrayPredictorLittleEndian = "Tiff/flower-minisblack-32_lsb_deflate_predictor.tiff";

tests/Images/Input/Tiff/flower-minisblack-float32_lsb.tiff

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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