diff --git a/Directory.Build.props b/Directory.Build.props index d70fbc45ae..b3e18e5a5a 100644 --- a/Directory.Build.props +++ b/Directory.Build.props @@ -18,11 +18,10 @@ - - - false - - + true diff --git a/ImageSharp.sln b/ImageSharp.sln index ef6a945f65..bf1f3579c0 100644 --- a/ImageSharp.sln +++ b/ImageSharp.sln @@ -479,115 +479,43 @@ Global EndGlobalSection GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|Any CPU = Debug|Any CPU - Debug|x64 = Debug|x64 - Debug|x86 = Debug|x86 Debug-InnerLoop|Any CPU = Debug-InnerLoop|Any CPU - Debug-InnerLoop|x64 = Debug-InnerLoop|x64 - Debug-InnerLoop|x86 = Debug-InnerLoop|x86 Release|Any CPU = Release|Any CPU - Release|x64 = Release|x64 - Release|x86 = Release|x86 Release-InnerLoop|Any CPU = Release-InnerLoop|Any CPU - Release-InnerLoop|x64 = Release-InnerLoop|x64 - Release-InnerLoop|x86 = Release-InnerLoop|x86 EndGlobalSection GlobalSection(ProjectConfigurationPlatforms) = postSolution {2AA31A1F-142C-43F4-8687-09ABCA4B3A26}.Debug|Any CPU.ActiveCfg = Debug|Any CPU {2AA31A1F-142C-43F4-8687-09ABCA4B3A26}.Debug|Any CPU.Build.0 = Debug|Any CPU - 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this.quantizer = options.Quantizer ?? KnownQuantizers.Wu; + this.quantizer = options.Quantizer ?? KnownQuantizers.Octree; } /// diff --git a/src/ImageSharp/Formats/Gif/GifDecoderCore.cs b/src/ImageSharp/Formats/Gif/GifDecoderCore.cs index 2f6b45aff9..fb3d989d4b 100644 --- a/src/ImageSharp/Formats/Gif/GifDecoderCore.cs +++ b/src/ImageSharp/Formats/Gif/GifDecoderCore.cs @@ -7,7 +7,7 @@ using System.Runtime.CompilerServices; using System.Runtime.InteropServices; using System.Text; using System.Threading; -using System.Threading.Tasks; + using SixLabors.ImageSharp.IO; using SixLabors.ImageSharp.Memory; using SixLabors.ImageSharp.Metadata; @@ -441,6 +441,7 @@ namespace SixLabors.ImageSharp.Formats.Gif int descriptorRight = descriptorLeft + descriptor.Width; bool transFlag = this.graphicsControlExtension.TransparencyFlag; byte transIndex = this.graphicsControlExtension.TransparencyIndex; + int colorTableMaxIdx = colorTable.Length - 1; for (int y = descriptorTop; y < descriptorBottom && y < imageHeight; y++) { @@ -487,7 +488,7 @@ namespace SixLabors.ImageSharp.Formats.Gif // #403 The left + width value can be larger than the image width for (int x = descriptorLeft; x < descriptorRight && x < imageWidth; x++) { - int index = Unsafe.Add(ref indicesRowRef, x - descriptorLeft); + int index = Numerics.Clamp(Unsafe.Add(ref indicesRowRef, x - descriptorLeft), 0, colorTableMaxIdx); ref TPixel pixel = ref Unsafe.Add(ref rowRef, x); Rgb24 rgb = colorTable[index]; pixel.FromRgb24(rgb); @@ -497,7 +498,7 @@ namespace SixLabors.ImageSharp.Formats.Gif { for (int x = descriptorLeft; x < descriptorRight && x < imageWidth; x++) { - int index = Unsafe.Add(ref indicesRowRef, x - descriptorLeft); + int index = Numerics.Clamp(Unsafe.Add(ref indicesRowRef, x - descriptorLeft), 0, colorTableMaxIdx); if (transIndex != index) { ref TPixel pixel = ref Unsafe.Add(ref rowRef, x); diff --git a/src/ImageSharp/Formats/Gif/GifEncoderCore.cs b/src/ImageSharp/Formats/Gif/GifEncoderCore.cs index 9c1e95285c..585f87b3e8 100644 --- a/src/ImageSharp/Formats/Gif/GifEncoderCore.cs +++ b/src/ImageSharp/Formats/Gif/GifEncoderCore.cs @@ -151,7 +151,7 @@ namespace SixLabors.ImageSharp.Formats.Gif // since the palette is unchanging. This allows a reduction of memory usage across // multi frame gifs using a global palette. EuclideanPixelMap pixelMap = default; - bool pixelMapSet = false; + bool pixelMapHasValue = false; for (int i = 0; i < image.Frames.Count; i++) { ImageFrame frame = image.Frames[i]; @@ -166,17 +166,22 @@ namespace SixLabors.ImageSharp.Formats.Gif } else { - if (!pixelMapSet) + if (!pixelMapHasValue) { - pixelMapSet = true; + pixelMapHasValue = true; pixelMap = new EuclideanPixelMap(this.configuration, quantized.Palette); } - using var paletteFrameQuantizer = new PaletteQuantizer(this.configuration, this.quantizer.Options, pixelMap); + using var paletteFrameQuantizer = new PaletteQuantizer(this.configuration, this.quantizer.Options, pixelMap, true); using IndexedImageFrame paletteQuantized = paletteFrameQuantizer.QuantizeFrame(frame, frame.Bounds()); this.WriteImageData(paletteQuantized, stream); } } + + if (pixelMapHasValue) + { + pixelMap.Dispose(); + } } private void EncodeLocal(Image image, IndexedImageFrame quantized, Stream stream) diff --git a/src/ImageSharp/Memory/Allocators/ArrayPoolMemoryAllocator.cs b/src/ImageSharp/Memory/Allocators/ArrayPoolMemoryAllocator.cs index 8814bbe1f5..a79e042a32 100644 --- a/src/ImageSharp/Memory/Allocators/ArrayPoolMemoryAllocator.cs +++ b/src/ImageSharp/Memory/Allocators/ArrayPoolMemoryAllocator.cs @@ -1,4 +1,4 @@ -// Copyright (c) Six Labors. +// Copyright (c) Six Labors. // Licensed under the Apache License, Version 2.0. using System; @@ -131,10 +131,6 @@ namespace SixLabors.ImageSharp.Memory Guard.MustBeGreaterThanOrEqualTo(length, 0, nameof(length)); int itemSizeBytes = Unsafe.SizeOf(); int bufferSizeInBytes = length * itemSizeBytes; - if (bufferSizeInBytes < 0 || bufferSizeInBytes > this.BufferCapacityInBytes) - { - ThrowInvalidAllocationException(length); - } ArrayPool pool = this.GetArrayPool(bufferSizeInBytes); byte[] byteArray = pool.Rent(bufferSizeInBytes); @@ -171,9 +167,9 @@ namespace SixLabors.ImageSharp.Memory } [MethodImpl(InliningOptions.ColdPath)] - private static void ThrowInvalidAllocationException(int length) => + private static void ThrowInvalidAllocationException(int length, int max) => throw new InvalidMemoryOperationException( - $"Requested allocation: {length} elements of {typeof(T).Name} is over the capacity of the MemoryAllocator."); + $"Requested allocation: '{length}' elements of '{typeof(T).Name}' is over the capacity in bytes '{max}' of the MemoryAllocator."); private ArrayPool GetArrayPool(int bufferSizeInBytes) { diff --git a/src/ImageSharp/Processing/Extensions/Dithering/DitherExtensions.cs b/src/ImageSharp/Processing/Extensions/Dithering/DitherExtensions.cs index f4664a5c0f..296ed71b72 100644 --- a/src/ImageSharp/Processing/Extensions/Dithering/DitherExtensions.cs +++ b/src/ImageSharp/Processing/Extensions/Dithering/DitherExtensions.cs @@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing Dither(source, KnownDitherings.Bayer8x8); /// - /// Dithers the image reducing it to a web-safe palette using ordered dithering. + /// Dithers the image reducing it to a web-safe palette. /// /// The image this method extends. /// The ordered ditherer. @@ -32,7 +32,7 @@ namespace SixLabors.ImageSharp.Processing source.ApplyProcessor(new PaletteDitherProcessor(dither)); /// - /// Dithers the image reducing it to a web-safe palette using ordered dithering. + /// Dithers the image reducing it to a web-safe palette. /// /// The image this method extends. /// The ordered ditherer. @@ -45,7 +45,7 @@ namespace SixLabors.ImageSharp.Processing source.ApplyProcessor(new PaletteDitherProcessor(dither, ditherScale)); /// - /// Dithers the image reducing it to the given palette using ordered dithering. + /// Dithers the image reducing it to the given palette. /// /// The image this method extends. /// The ordered ditherer. @@ -58,7 +58,7 @@ namespace SixLabors.ImageSharp.Processing source.ApplyProcessor(new PaletteDitherProcessor(dither, palette)); /// - /// Dithers the image reducing it to the given palette using ordered dithering. + /// Dithers the image reducing it to the given palette. /// /// The image this method extends. /// The ordered ditherer. @@ -84,7 +84,7 @@ namespace SixLabors.ImageSharp.Processing Dither(source, KnownDitherings.Bayer8x8, rectangle); /// - /// Dithers the image reducing it to a web-safe palette using ordered dithering. + /// Dithers the image reducing it to a web-safe palette. /// /// The image this method extends. /// The ordered ditherer. @@ -99,7 +99,7 @@ namespace SixLabors.ImageSharp.Processing source.ApplyProcessor(new PaletteDitherProcessor(dither), rectangle); /// - /// Dithers the image reducing it to a web-safe palette using ordered dithering. + /// Dithers the image reducing it to a web-safe palette. /// /// The image this method extends. /// The ordered ditherer. @@ -116,7 +116,7 @@ namespace SixLabors.ImageSharp.Processing source.ApplyProcessor(new PaletteDitherProcessor(dither, ditherScale), rectangle); /// - /// Dithers the image reducing it to the given palette using ordered dithering. + /// Dithers the image reducing it to the given palette. /// /// The image this method extends. /// The ordered ditherer. @@ -133,7 +133,7 @@ namespace SixLabors.ImageSharp.Processing source.ApplyProcessor(new PaletteDitherProcessor(dither, palette), rectangle); /// - /// Dithers the image reducing it to the given palette using ordered dithering. + /// Dithers the image reducing it to the given palette. /// /// The image this method extends. /// The ordered ditherer. diff --git a/src/ImageSharp/Processing/Processors/Dithering/OrderedDither.cs b/src/ImageSharp/Processing/Processors/Dithering/OrderedDither.cs index 2b7eb165eb..c317ddf02a 100644 --- a/src/ImageSharp/Processing/Processors/Dithering/OrderedDither.cs +++ b/src/ImageSharp/Processing/Processors/Dithering/OrderedDither.cs @@ -3,7 +3,6 @@ using System; using System.Runtime.CompilerServices; -using SixLabors.ImageSharp.Advanced; using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing.Processors.Quantization; @@ -110,17 +109,20 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering where TFrameQuantizer : struct, IQuantizer where TPixel : unmanaged, IPixel { - var ditherOperation = new QuantizeDitherRowOperation( - ref quantizer, - in Unsafe.AsRef(this), - source, - destination, - bounds); + int spread = CalculatePaletteSpread(destination.Palette.Length); + float scale = quantizer.Options.DitherScale; - ParallelRowIterator.IterateRows( - quantizer.Configuration, - bounds, - in ditherOperation); + for (int y = bounds.Top; y < bounds.Bottom; y++) + { + ReadOnlySpan sourceRow = source.GetPixelRowSpan(y).Slice(bounds.X, bounds.Width); + Span destRow = destination.GetWritablePixelRowSpanUnsafe(y - bounds.Y).Slice(0, sourceRow.Length); + + for (int x = 0; x < sourceRow.Length; x++) + { + TPixel dithered = this.Dither(sourceRow[x], x, y, spread, scale); + destRow[x] = quantizer.GetQuantizedColor(dithered, out TPixel _); + } + } } /// @@ -132,16 +134,20 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering where TPaletteDitherImageProcessor : struct, IPaletteDitherImageProcessor where TPixel : unmanaged, IPixel { - var ditherOperation = new PaletteDitherRowOperation( - in processor, - in Unsafe.AsRef(this), - source, - bounds); + int spread = CalculatePaletteSpread(processor.Palette.Length); + float scale = processor.DitherScale; - ParallelRowIterator.IterateRows( - processor.Configuration, - bounds, - in ditherOperation); + for (int y = bounds.Top; y < bounds.Bottom; y++) + { + Span row = source.GetPixelRowSpan(y).Slice(bounds.X, bounds.Width); + + for (int x = 0; x < row.Length; x++) + { + ref TPixel sourcePixel = ref row[x]; + TPixel dithered = this.Dither(sourcePixel, x, y, spread, scale); + sourcePixel = processor.GetPaletteColor(dithered); + } + } } // Spread assumes an even colorspace distribution and precision. @@ -195,95 +201,5 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering [MethodImpl(InliningOptions.ShortMethod)] public override int GetHashCode() => HashCode.Combine(this.thresholdMatrix, this.modulusX, this.modulusY); - - private readonly struct QuantizeDitherRowOperation : IRowOperation - where TFrameQuantizer : struct, IQuantizer - where TPixel : unmanaged, IPixel - { - private readonly TFrameQuantizer quantizer; - private readonly OrderedDither dither; - private readonly ImageFrame source; - private readonly IndexedImageFrame destination; - private readonly Rectangle bounds; - private readonly int spread; - - [MethodImpl(InliningOptions.ShortMethod)] - public QuantizeDitherRowOperation( - ref TFrameQuantizer quantizer, - in OrderedDither dither, - ImageFrame source, - IndexedImageFrame destination, - Rectangle bounds) - { - this.quantizer = quantizer; - this.dither = dither; - this.source = source; - this.destination = destination; - this.bounds = bounds; - this.spread = CalculatePaletteSpread(destination.Palette.Length); - } - - [MethodImpl(InliningOptions.ShortMethod)] - public void Invoke(int y) - { - ref TFrameQuantizer quantizer = ref Unsafe.AsRef(this.quantizer); - int spread = this.spread; - float scale = this.quantizer.Options.DitherScale; - - ReadOnlySpan sourceRow = this.source.GetPixelRowSpan(y).Slice(this.bounds.X, this.bounds.Width); - Span destRow = - this.destination.GetWritablePixelRowSpanUnsafe(y - this.bounds.Y).Slice(0, sourceRow.Length); - - for (int x = 0; x < sourceRow.Length; x++) - { - TPixel dithered = this.dither.Dither(sourceRow[x], x, y, spread, scale); - destRow[x] = quantizer.GetQuantizedColor(dithered, out TPixel _); - } - } - } - - private readonly struct PaletteDitherRowOperation : IRowOperation - where TPaletteDitherImageProcessor : struct, IPaletteDitherImageProcessor - where TPixel : unmanaged, IPixel - { - private readonly TPaletteDitherImageProcessor processor; - private readonly OrderedDither dither; - private readonly ImageFrame source; - private readonly Rectangle bounds; - private readonly float scale; - private readonly int spread; - - [MethodImpl(InliningOptions.ShortMethod)] - public PaletteDitherRowOperation( - in TPaletteDitherImageProcessor processor, - in OrderedDither dither, - ImageFrame source, - Rectangle bounds) - { - this.processor = processor; - this.dither = dither; - this.source = source; - this.bounds = bounds; - this.scale = processor.DitherScale; - this.spread = CalculatePaletteSpread(processor.Palette.Length); - } - - [MethodImpl(InliningOptions.ShortMethod)] - public void Invoke(int y) - { - ref TPaletteDitherImageProcessor processor = ref Unsafe.AsRef(this.processor); - int spread = this.spread; - float scale = this.scale; - - Span row = this.source.GetPixelRowSpan(y).Slice(this.bounds.X, this.bounds.Width); - - for (int x = 0; x < row.Length; x++) - { - ref TPixel sourcePixel = ref row[x]; - TPixel dithered = this.dither.Dither(sourcePixel, x, y, spread, scale); - sourcePixel = processor.GetPaletteColor(dithered); - } - } - } } } diff --git a/src/ImageSharp/Processing/Processors/Dithering/PaletteDitherProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Dithering/PaletteDitherProcessor{TPixel}.cs index 4631cd4229..07af8a5af0 100644 --- a/src/ImageSharp/Processing/Processors/Dithering/PaletteDitherProcessor{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Dithering/PaletteDitherProcessor{TPixel}.cs @@ -62,6 +62,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering if (disposing) { this.paletteOwner.Dispose(); + this.ditherProcessor.Dispose(); } this.paletteOwner = null; @@ -73,7 +74,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering /// . /// /// Internal for AOT - internal readonly struct DitherProcessor : IPaletteDitherImageProcessor + internal readonly struct DitherProcessor : IPaletteDitherImageProcessor, IDisposable { private readonly EuclideanPixelMap pixelMap; @@ -101,6 +102,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering this.pixelMap.GetClosestColor(color, out TPixel match); return match; } + + public void Dispose() => this.pixelMap.Dispose(); } } } diff --git a/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs index c194f402a3..0311c40be4 100644 --- a/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Quantization/EuclideanPixelMap{TPixel}.cs @@ -2,10 +2,10 @@ // Licensed under the Apache License, Version 2.0. using System; -using System.Collections.Concurrent; -using System.Numerics; +using System.Buffers; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; +using SixLabors.ImageSharp.Memory; using SixLabors.ImageSharp.PixelFormats; namespace SixLabors.ImageSharp.Processing.Processors.Quantization @@ -14,11 +14,15 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization /// Gets the closest color to the supplied color based upon the Euclidean distance. /// /// The pixel format. - internal readonly struct EuclideanPixelMap + /// + /// This class is not threadsafe and should not be accessed in parallel. + /// Doing so will result in non-idempotent results. + /// + internal readonly struct EuclideanPixelMap : IDisposable where TPixel : unmanaged, IPixel { - private readonly Vector4[] vectorCache; - private readonly ConcurrentDictionary distanceCache; + private readonly Rgba32[] rgbaPalette; + private readonly ColorDistanceCache cache; /// /// Initializes a new instance of the struct. @@ -29,11 +33,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization public EuclideanPixelMap(Configuration configuration, ReadOnlyMemory palette) { this.Palette = palette; - this.vectorCache = new Vector4[palette.Length]; - - // Use the same rules across all target frameworks. - this.distanceCache = new ConcurrentDictionary(Environment.ProcessorCount, 31); - PixelOperations.Instance.ToVector4(configuration, this.Palette.Span, this.vectorCache); + this.rgbaPalette = new Rgba32[palette.Length]; + this.cache = new ColorDistanceCache(configuration.MemoryAllocator); + PixelOperations.Instance.ToRgba32(configuration, this.Palette.Span, this.rgbaPalette); } /// @@ -57,11 +59,13 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization public int GetClosestColor(TPixel color, out TPixel match) { ref TPixel paletteRef = ref MemoryMarshal.GetReference(this.Palette.Span); + Unsafe.SkipInit(out Rgba32 rgba); + color.ToRgba32(ref rgba); // Check if the color is in the lookup table - if (!this.distanceCache.TryGetValue(color, out int index)) + if (!this.cache.TryGetValue(rgba, out short index)) { - return this.GetClosestColorSlow(color, ref paletteRef, out match); + return this.GetClosestColorSlow(rgba, ref paletteRef, out match); } match = Unsafe.Add(ref paletteRef, index); @@ -69,17 +73,15 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization } [MethodImpl(InliningOptions.ShortMethod)] - private int GetClosestColorSlow(TPixel color, ref TPixel paletteRef, out TPixel match) + private int GetClosestColorSlow(Rgba32 rgba, ref TPixel paletteRef, out TPixel match) { // Loop through the palette and find the nearest match. int index = 0; float leastDistance = float.MaxValue; - var vector = color.ToVector4(); - ref Vector4 vectorCacheRef = ref MemoryMarshal.GetReference(this.vectorCache); - for (int i = 0; i < this.Palette.Length; i++) + for (int i = 0; i < this.rgbaPalette.Length; i++) { - Vector4 candidate = Unsafe.Add(ref vectorCacheRef, i); - float distance = Vector4.DistanceSquared(vector, candidate); + Rgba32 candidate = this.rgbaPalette[i]; + int distance = DistanceSquared(rgba, candidate); // If it's an exact match, exit the loop if (distance == 0) @@ -97,9 +99,103 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization } // Now I have the index, pop it into the cache for next time - this.distanceCache[color] = index; + this.cache.Add(rgba, (byte)index); match = Unsafe.Add(ref paletteRef, index); return index; } + + /// + /// Returns the Euclidean distance squared between two specified points. + /// + /// The first point. + /// The second point. + /// The distance squared. + [MethodImpl(InliningOptions.ShortMethod)] + private static int DistanceSquared(Rgba32 a, Rgba32 b) + { + int deltaR = a.R - b.R; + int deltaG = a.G - b.G; + int deltaB = a.B - b.B; + int deltaA = a.A - b.A; + return (deltaR * deltaR) + (deltaG * deltaG) + (deltaB * deltaB) + (deltaA * deltaA); + } + + public void Dispose() => this.cache.Dispose(); + + /// + /// A cache for storing color distance matching results. + /// + /// + /// + /// The granularity of the cache has been determined based upon the current + /// suite of test images and provides the lowest possible memory usage while + /// providing enough match accuracy. + /// Entry count is currently limited to 1185921 entries (2371842 bytes ~2.26MB). + /// + /// + private unsafe struct ColorDistanceCache : IDisposable + { + private const int IndexBits = 5; + private const int IndexAlphaBits = 5; + private const int IndexCount = (1 << IndexBits) + 1; + private const int IndexAlphaCount = (1 << IndexAlphaBits) + 1; + private const int RgbShift = 8 - IndexBits; + private const int AlphaShift = 8 - IndexAlphaBits; + private const int Entries = IndexCount * IndexCount * IndexCount * IndexAlphaCount; + private MemoryHandle tableHandle; + private readonly IMemoryOwner table; + private readonly short* tablePointer; + + public ColorDistanceCache(MemoryAllocator allocator) + { + this.table = allocator.Allocate(Entries); + this.table.GetSpan().Fill(-1); + this.tableHandle = this.table.Memory.Pin(); + this.tablePointer = (short*)this.tableHandle.Pointer; + } + + [MethodImpl(InliningOptions.ShortMethod)] + public void Add(Rgba32 rgba, byte index) + { + int r = rgba.R >> RgbShift; + int g = rgba.G >> RgbShift; + int b = rgba.B >> RgbShift; + int a = rgba.A >> AlphaShift; + int idx = GetPaletteIndex(r, g, b, a); + this.tablePointer[idx] = index; + } + + [MethodImpl(InliningOptions.ShortMethod)] + public bool TryGetValue(Rgba32 rgba, out short match) + { + int r = rgba.R >> RgbShift; + int g = rgba.G >> RgbShift; + int b = rgba.B >> RgbShift; + int a = rgba.A >> AlphaShift; + int idx = GetPaletteIndex(r, g, b, a); + match = this.tablePointer[idx]; + return match > -1; + } + + [MethodImpl(InliningOptions.ShortMethod)] + private static int GetPaletteIndex(int r, int g, int b, int a) + => (r << ((IndexBits << 1) + IndexAlphaBits)) + + (r << (IndexBits + IndexAlphaBits + 1)) + + (g << (IndexBits + IndexAlphaBits)) + + (r << (IndexBits << 1)) + + (r << (IndexBits + 1)) + + (g << IndexBits) + + ((r + g + b) << IndexAlphaBits) + + r + g + b + a; + + public void Dispose() + { + if (this.table != null) + { + this.tableHandle.Dispose(); + this.table.Dispose(); + } + } + } } } diff --git a/src/ImageSharp/Processing/Processors/Quantization/OctreeQuantizer{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/OctreeQuantizer{TPixel}.cs index 700314f26c..10b26337f4 100644 --- a/src/ImageSharp/Processing/Processors/Quantization/OctreeQuantizer{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Quantization/OctreeQuantizer{TPixel}.cs @@ -20,10 +20,12 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization where TPixel : unmanaged, IPixel { private readonly int maxColors; + private readonly int bitDepth; private readonly Octree octree; private IMemoryOwner paletteOwner; private ReadOnlyMemory palette; private EuclideanPixelMap pixelMap; + private bool pixelMapHasValue; private readonly bool isDithering; private bool isDisposed; @@ -42,10 +44,12 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization this.Options = options; this.maxColors = this.Options.MaxColors; - this.octree = new Octree(Numerics.Clamp(ColorNumerics.GetBitsNeededForColorDepth(this.maxColors), 1, 8)); + this.bitDepth = Numerics.Clamp(ColorNumerics.GetBitsNeededForColorDepth(this.maxColors), 1, 8); + this.octree = new Octree(this.bitDepth); this.paletteOwner = configuration.MemoryAllocator.Allocate(this.maxColors, AllocationOptions.Clean); - this.palette = default; this.pixelMap = default; + this.pixelMapHasValue = false; + this.palette = default; this.isDithering = !(this.Options.Dither is null); this.isDisposed = false; } @@ -67,37 +71,56 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization } /// - [MethodImpl(InliningOptions.ShortMethod)] public void AddPaletteColors(Buffer2DRegion pixelRegion) { Rectangle bounds = pixelRegion.Rectangle; Buffer2D source = pixelRegion.Buffer; - using IMemoryOwner buffer = this.Configuration.MemoryAllocator.Allocate(bounds.Width); - Span bufferSpan = buffer.GetSpan(); - - // Loop through each row - for (int y = bounds.Top; y < bounds.Bottom; y++) + using (IMemoryOwner buffer = this.Configuration.MemoryAllocator.Allocate(bounds.Width)) { - Span row = source.GetRowSpan(y).Slice(bounds.Left, bounds.Width); - PixelOperations.Instance.ToRgba32(this.Configuration, row, bufferSpan); + Span bufferSpan = buffer.GetSpan(); - for (int x = 0; x < bufferSpan.Length; x++) + // Loop through each row + for (int y = bounds.Top; y < bounds.Bottom; y++) { - Rgba32 rgba = bufferSpan[x]; + Span row = source.GetRowSpan(y).Slice(bounds.Left, bounds.Width); + PixelOperations.Instance.ToRgba32(this.Configuration, row, bufferSpan); + + for (int x = 0; x < bufferSpan.Length; x++) + { + Rgba32 rgba = bufferSpan[x]; - // Add the color to the Octree - this.octree.AddColor(rgba); + // Add the color to the Octree + this.octree.AddColor(rgba); + } } } - Span paletteSpan = this.paletteOwner.GetSpan(); int paletteIndex = 0; - this.octree.Palletize(paletteSpan, this.maxColors, ref paletteIndex); + Span paletteSpan = this.paletteOwner.GetSpan(); - // Length of reduced palette + transparency. - ReadOnlyMemory result = this.paletteOwner.Memory.Slice(0, Math.Min(paletteIndex + 2, this.maxColors)); - this.pixelMap = new EuclideanPixelMap(this.Configuration, result); + // On very rare occasions, (blur.png), the quantizer does not preserve a + // transparent entry when palletizing the captured colors. + // To workaround this we ensure the palette ends with the default color + // for higher bit depths. Lower bit depths will correctly reduce the palette. + // TODO: Investigate more evenly reduced palette reduction. + int max = this.maxColors; + if (this.bitDepth == 8) + { + max--; + } + + this.octree.Palletize(paletteSpan, max, ref paletteIndex); + ReadOnlyMemory result = this.paletteOwner.Memory.Slice(0, paletteSpan.Length); + + // When called by QuantizerUtilities.BuildPalette this prevents + // mutiple instances of the map being created but not disposed. + if (this.pixelMapHasValue) + { + this.pixelMap.Dispose(); + } + this.pixelMap = new EuclideanPixelMap(this.Configuration, result); + this.pixelMapHasValue = true; this.palette = result; } @@ -118,8 +141,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization return (byte)this.pixelMap.GetClosestColor(color, out match); } - ref TPixel paletteRef = ref MemoryMarshal.GetReference(this.pixelMap.Palette.Span); - var index = (byte)this.octree.GetPaletteIndex(color); + ref TPixel paletteRef = ref MemoryMarshal.GetReference(this.palette.Span); + byte index = (byte)this.octree.GetPaletteIndex(color); match = Unsafe.Add(ref paletteRef, index); return index; } @@ -132,6 +155,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization this.isDisposed = true; this.paletteOwner.Dispose(); this.paletteOwner = null; + this.pixelMap.Dispose(); } } @@ -176,21 +200,6 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization this.previousNode = null; } - /// - /// Gets the mask used when getting the appropriate pixels for a given node. - /// - private static ReadOnlySpan Mask => new byte[] - { - 0b10000000, - 0b1000000, - 0b100000, - 0b10000, - 0b1000, - 0b100, - 0b10, - 0b1 - }; - /// /// Gets or sets the number of leaves in the tree /// @@ -251,7 +260,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization [MethodImpl(InliningOptions.ShortMethod)] public void Palletize(Span palette, int colorCount, ref int paletteIndex) { - while (this.Leaves > colorCount - 1) + while (this.Leaves > colorCount) { this.Reduce(); } @@ -269,7 +278,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization [MethodImpl(InliningOptions.ShortMethod)] public int GetPaletteIndex(TPixel color) { - Rgba32 rgba = default; + Unsafe.SkipInit(out Rgba32 rgba); color.ToRgba32(ref rgba); return this.root.GetPaletteIndex(ref rgba, 0); } @@ -468,7 +477,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization Vector3.Zero, new Vector3(255)); - TPixel pixel = default; + Unsafe.SkipInit(out TPixel pixel); pixel.FromRgba32(new Rgba32((byte)vector.X, (byte)vector.Y, (byte)vector.Z, byte.MaxValue)); palette[index] = pixel; @@ -517,7 +526,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization child = this.children[i]; if (child != null) { - var childIndex = child.GetPaletteIndex(ref pixel, level + 1); + int childIndex = child.GetPaletteIndex(ref pixel, level + 1); if (childIndex != 0) { return childIndex; @@ -538,15 +547,12 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization [MethodImpl(InliningOptions.ShortMethod)] private static int GetColorIndex(ref Rgba32 color, int level) { - DebugGuard.MustBeLessThan(level, Mask.Length, nameof(level)); - int shift = 7 - level; - ref byte maskRef = ref MemoryMarshal.GetReference(Mask); - byte mask = Unsafe.Add(ref maskRef, level); + byte mask = (byte)(1 << shift); return ((color.R & mask) >> shift) - | ((color.G & mask) >> (shift - 1)) - | ((color.B & mask) >> (shift - 2)); + | (((color.G & mask) >> shift) << 1) + | (((color.B & mask) >> shift) << 2); } /// diff --git a/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs b/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs index bc5eb783f7..a83c760c20 100644 --- a/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs +++ b/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer.cs @@ -60,7 +60,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization Color.ToPixel(configuration, this.colorPalette.Span, palette.AsSpan()); var pixelMap = new EuclideanPixelMap(configuration, palette); - return new PaletteQuantizer(configuration, options, pixelMap); + return new PaletteQuantizer(configuration, options, pixelMap, false); } } } diff --git a/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer{TPixel}.cs index d0dbdae204..9329bdfebe 100644 --- a/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Quantization/PaletteQuantizer{TPixel}.cs @@ -17,6 +17,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization where TPixel : unmanaged, IPixel { private readonly EuclideanPixelMap pixelMap; + private readonly bool leaveMap; /// /// Initializes a new instance of the struct. @@ -24,11 +25,15 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization /// The configuration which allows altering default behaviour or extending the library. /// The quantizer options defining quantization rules. /// The pixel map for looking up color matches from a predefined palette. + /// + /// to leave the pixel map undisposed after disposing the object; otherwise, . + /// [MethodImpl(InliningOptions.ShortMethod)] public PaletteQuantizer( Configuration configuration, QuantizerOptions options, - EuclideanPixelMap pixelMap) + EuclideanPixelMap pixelMap, + bool leaveMap) { Guard.NotNull(configuration, nameof(configuration)); Guard.NotNull(options, nameof(options)); @@ -36,6 +41,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization this.Configuration = configuration; this.Options = options; this.pixelMap = pixelMap; + this.leaveMap = leaveMap; } /// @@ -66,6 +72,10 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization /// public void Dispose() { + if (!this.leaveMap) + { + this.pixelMap.Dispose(); + } } } } diff --git a/src/ImageSharp/Processing/Processors/Quantization/QuantizeProcessor{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/QuantizeProcessor{TPixel}.cs index bb6d3d44a6..93bca60756 100644 --- a/src/ImageSharp/Processing/Processors/Quantization/QuantizeProcessor{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Quantization/QuantizeProcessor{TPixel}.cs @@ -41,46 +41,18 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization using IQuantizer frameQuantizer = this.quantizer.CreatePixelSpecificQuantizer(configuration); using IndexedImageFrame quantized = frameQuantizer.BuildPaletteAndQuantizeFrame(source, interest); - var operation = new RowIntervalOperation(this.SourceRectangle, source, quantized); - ParallelRowIterator.IterateRowIntervals( - configuration, - interest, - in operation); - } - - private readonly struct RowIntervalOperation : IRowIntervalOperation - { - private readonly Rectangle bounds; - private readonly ImageFrame source; - private readonly IndexedImageFrame quantized; + ReadOnlySpan paletteSpan = quantized.Palette.Span; + int offsetY = interest.Top; + int offsetX = interest.Left; - [MethodImpl(InliningOptions.ShortMethod)] - public RowIntervalOperation( - Rectangle bounds, - ImageFrame source, - IndexedImageFrame quantized) + for (int y = interest.Y; y < interest.Height; y++) { - this.bounds = bounds; - this.source = source; - this.quantized = quantized; - } + Span row = source.GetPixelRowSpan(y); + ReadOnlySpan quantizedRow = quantized.GetPixelRowSpan(y - offsetY); - [MethodImpl(InliningOptions.ShortMethod)] - public void Invoke(in RowInterval rows) - { - ReadOnlySpan paletteSpan = this.quantized.Palette.Span; - int offsetY = this.bounds.Top; - int offsetX = this.bounds.Left; - - for (int y = rows.Min; y < rows.Max; y++) + for (int x = interest.Left; x < interest.Right; x++) { - Span row = this.source.GetPixelRowSpan(y); - ReadOnlySpan quantizedRow = this.quantized.GetPixelRowSpan(y - offsetY); - - for (int x = this.bounds.Left; x < this.bounds.Right; x++) - { - row[x] = paletteSpan[quantizedRow[x - offsetX]]; - } + row[x] = paletteSpan[quantizedRow[x - offsetX]]; } } } diff --git a/src/ImageSharp/Processing/Processors/Quantization/QuantizerUtilities.cs b/src/ImageSharp/Processing/Processors/Quantization/QuantizerUtilities.cs index d9bc818560..6c963bfabd 100644 --- a/src/ImageSharp/Processing/Processors/Quantization/QuantizerUtilities.cs +++ b/src/ImageSharp/Processing/Processors/Quantization/QuantizerUtilities.cs @@ -3,7 +3,6 @@ using System; using System.Runtime.CompilerServices; -using SixLabors.ImageSharp.Advanced; using SixLabors.ImageSharp.Memory; using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing.Processors.Dithering; @@ -126,62 +125,24 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization if (dither is null) { - var operation = new RowIntervalOperation( - ref quantizer, - source, - destination, - bounds); + int offsetY = bounds.Top; + int offsetX = bounds.Left; - ParallelRowIterator.IterateRowIntervals( - quantizer.Configuration, - bounds, - in operation); - - return; - } - - dither.ApplyQuantizationDither(ref quantizer, source, destination, bounds); - } - - private readonly struct RowIntervalOperation : IRowIntervalOperation - where TFrameQuantizer : struct, IQuantizer - where TPixel : unmanaged, IPixel - { - private readonly TFrameQuantizer quantizer; - private readonly ImageFrame source; - private readonly IndexedImageFrame destination; - private readonly Rectangle bounds; - - [MethodImpl(InliningOptions.ShortMethod)] - public RowIntervalOperation( - ref TFrameQuantizer quantizer, - ImageFrame source, - IndexedImageFrame destination, - Rectangle bounds) - { - this.quantizer = quantizer; - this.source = source; - this.destination = destination; - this.bounds = bounds; - } - - [MethodImpl(InliningOptions.ShortMethod)] - public void Invoke(in RowInterval rows) - { - int offsetY = this.bounds.Top; - int offsetX = this.bounds.Left; - - for (int y = rows.Min; y < rows.Max; y++) + for (int y = bounds.Y; y < bounds.Height; y++) { - Span sourceRow = this.source.GetPixelRowSpan(y); - Span destinationRow = this.destination.GetWritablePixelRowSpanUnsafe(y - offsetY); + Span sourceRow = source.GetPixelRowSpan(y); + Span destinationRow = destination.GetWritablePixelRowSpanUnsafe(y - offsetY); - for (int x = this.bounds.Left; x < this.bounds.Right; x++) + for (int x = bounds.Left; x < bounds.Right; x++) { - destinationRow[x - offsetX] = Unsafe.AsRef(this.quantizer).GetQuantizedColor(sourceRow[x], out TPixel _); + destinationRow[x - offsetX] = Unsafe.AsRef(quantizer).GetQuantizedColor(sourceRow[x], out TPixel _); } } + + return; } + + dither.ApplyQuantizationDither(ref quantizer, source, destination, bounds); } } } diff --git a/src/ImageSharp/Processing/Processors/Quantization/WuQuantizer{TPixel}.cs b/src/ImageSharp/Processing/Processors/Quantization/WuQuantizer{TPixel}.cs index e449678559..b6f4be4949 100644 --- a/src/ImageSharp/Processing/Processors/Quantization/WuQuantizer{TPixel}.cs +++ b/src/ImageSharp/Processing/Processors/Quantization/WuQuantizer{TPixel}.cs @@ -6,7 +6,6 @@ using System.Buffers; using System.Numerics; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; -using SixLabors.ImageSharp.Advanced; using SixLabors.ImageSharp.Memory; using SixLabors.ImageSharp.PixelFormats; @@ -73,6 +72,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization private int maxColors; private readonly Box[] colorCube; private EuclideanPixelMap pixelMap; + private bool pixelMapHasValue; private readonly bool isDithering; private bool isDisposed; @@ -94,10 +94,11 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization this.momentsOwner = this.memoryAllocator.Allocate(TableLength, AllocationOptions.Clean); this.tagsOwner = this.memoryAllocator.Allocate(TableLength, AllocationOptions.Clean); this.paletteOwner = this.memoryAllocator.Allocate(this.maxColors, AllocationOptions.Clean); - this.palette = default; this.colorCube = new Box[this.maxColors]; this.isDisposed = false; this.pixelMap = default; + this.pixelMapHasValue = false; + this.palette = default; this.isDithering = this.isDithering = !(this.Options.Dither is null); } @@ -127,9 +128,10 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization this.Get3DMoments(this.memoryAllocator); this.BuildCube(); + // Slice again since maxColors has been updated since the buffer was created. + Span paletteSpan = this.paletteOwner.GetSpan().Slice(0, this.maxColors); ReadOnlySpan momentsSpan = this.momentsOwner.GetSpan(); - Span paletteSpan = this.paletteOwner.GetSpan(); - for (int k = 0; k < this.maxColors; k++) + for (int k = 0; k < paletteSpan.Length; k++) { this.Mark(ref this.colorCube[k], (byte)k); @@ -142,8 +144,20 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization } } - ReadOnlyMemory result = this.paletteOwner.Memory.Slice(0, this.maxColors); - this.pixelMap = new EuclideanPixelMap(this.Configuration, result); + ReadOnlyMemory result = this.paletteOwner.Memory.Slice(0, paletteSpan.Length); + if (this.isDithering) + { + // When called by QuantizerUtilities.BuildPalette this prevents + // mutiple instances of the map being created but not disposed. + if (this.pixelMapHasValue) + { + this.pixelMap.Dispose(); + } + + this.pixelMap = new EuclideanPixelMap(this.Configuration, result); + this.pixelMapHasValue = true; + } + this.palette = result; } @@ -170,7 +184,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization ReadOnlySpan tagSpan = this.tagsOwner.GetSpan(); byte index = tagSpan[GetPaletteIndex(r + 1, g + 1, b + 1, a + 1)]; - ref TPixel paletteRef = ref MemoryMarshal.GetReference(this.pixelMap.Palette.Span); + ref TPixel paletteRef = ref MemoryMarshal.GetReference(this.palette.Span); match = Unsafe.Add(ref paletteRef, index); return index; } @@ -187,6 +201,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization this.momentsOwner = null; this.tagsOwner = null; this.paletteOwner = null; + this.pixelMap.Dispose(); } } diff --git a/tests/ImageSharp.Tests/Formats/Bmp/BmpEncoderTests.cs b/tests/ImageSharp.Tests/Formats/Bmp/BmpEncoderTests.cs index 4eb3b900e1..70079ee6e5 100644 --- a/tests/ImageSharp.Tests/Formats/Bmp/BmpEncoderTests.cs +++ b/tests/ImageSharp.Tests/Formats/Bmp/BmpEncoderTests.cs @@ -343,7 +343,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Bmp { BitsPerPixel = bitsPerPixel, SupportTransparency = supportTransparency, - Quantizer = quantizer ?? KnownQuantizers.Wu + Quantizer = quantizer ?? KnownQuantizers.Octree }; // Does DebugSave & load reference CompareToReferenceInput(): diff --git a/tests/ImageSharp.Tests/Formats/Gif/GifDecoderTests.cs b/tests/ImageSharp.Tests/Formats/Gif/GifDecoderTests.cs index 446f1e9d47..c3250d72c5 100644 --- a/tests/ImageSharp.Tests/Formats/Gif/GifDecoderTests.cs +++ b/tests/ImageSharp.Tests/Formats/Gif/GifDecoderTests.cs @@ -197,6 +197,20 @@ namespace SixLabors.ImageSharp.Tests.Formats.Gif } } + // https://github.com/SixLabors/ImageSharp/issues/1668 + [Theory] + [WithFile(TestImages.Gif.Issues.InvalidColorIndex, PixelTypes.Rgba32)] + public void Issue1668_InvalidColorIndex(TestImageProvider provider) + where TPixel : unmanaged, IPixel + { + using (Image image = provider.GetImage()) + { + image.DebugSave(provider); + + image.CompareFirstFrameToReferenceOutput(ImageComparer.Exact, provider); + } + } + [Theory] [WithFile(TestImages.Gif.Giphy, PixelTypes.Rgba32)] [WithFile(TestImages.Gif.Kumin, PixelTypes.Rgba32)] diff --git a/tests/ImageSharp.Tests/Formats/Jpg/RgbToYCbCrConverterTests.cs b/tests/ImageSharp.Tests/Formats/Jpg/RgbToYCbCrConverterTests.cs index 0d5b550384..24a8195217 100644 --- a/tests/ImageSharp.Tests/Formats/Jpg/RgbToYCbCrConverterTests.cs +++ b/tests/ImageSharp.Tests/Formats/Jpg/RgbToYCbCrConverterTests.cs @@ -202,7 +202,6 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg Scale16X16To8X8(ref trueBlock, crTrue); VerifyBlock(ref crResult, ref trueBlock, comparer); - // extracts 8x8 blocks from 16x8 memory region static void Copy8x8(ReadOnlySpan source, Span dest) { diff --git a/tests/ImageSharp.Tests/Formats/Tiff/TiffEncoderTests.cs b/tests/ImageSharp.Tests/Formats/Tiff/TiffEncoderTests.cs index acbed8ac2e..09505692fc 100644 --- a/tests/ImageSharp.Tests/Formats/Tiff/TiffEncoderTests.cs +++ b/tests/ImageSharp.Tests/Formats/Tiff/TiffEncoderTests.cs @@ -416,7 +416,6 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff [Theory] [WithFile(GrayscaleUncompressed, PixelTypes.L8, TiffPhotometricInterpretation.BlackIsZero, TiffCompression.PackBits)] - [WithFile(PaletteDeflateMultistrip, PixelTypes.L8, TiffPhotometricInterpretation.PaletteColor, TiffCompression.Lzw)] [WithFile(RgbUncompressed, PixelTypes.Rgba32, TiffPhotometricInterpretation.Rgb, TiffCompression.Deflate)] [WithFile(RgbUncompressed, PixelTypes.Rgb24, TiffPhotometricInterpretation.Rgb, TiffCompression.None)] [WithFile(RgbUncompressed, PixelTypes.Rgba32, TiffPhotometricInterpretation.Rgb, TiffCompression.None)] @@ -425,6 +424,12 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff where TPixel : unmanaged, IPixel => TestStripLength(provider, photometricInterpretation, compression); + [Theory] + [WithFile(PaletteDeflateMultistrip, PixelTypes.L8, TiffPhotometricInterpretation.PaletteColor, TiffCompression.Lzw)] + public void TiffEncoder_StripLength_WithPalette(TestImageProvider provider, TiffPhotometricInterpretation photometricInterpretation, TiffCompression compression) + where TPixel : unmanaged, IPixel => + TestStripLength(provider, photometricInterpretation, compression, false, 0.01f); + [Theory] [WithFile(Calliphora_BiColorUncompressed, PixelTypes.L8, TiffPhotometricInterpretation.BlackIsZero, TiffCompression.CcittGroup3Fax)] public void TiffEncoder_StripLength_OutOfBounds(TestImageProvider provider, TiffPhotometricInterpretation photometricInterpretation, TiffCompression compression) @@ -432,7 +437,26 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff //// CcittGroup3Fax compressed data length can be larger than the original length. Assert.Throws(() => TestStripLength(provider, photometricInterpretation, compression)); - private static void TestStripLength(TestImageProvider provider, TiffPhotometricInterpretation photometricInterpretation, TiffCompression compression) + [Theory] + [WithTestPatternImages(287, 321, PixelTypes.Rgba32, TiffPhotometricInterpretation.Rgb)] + [WithTestPatternImages(287, 321, PixelTypes.Rgba32, TiffPhotometricInterpretation.PaletteColor)] + [WithTestPatternImages(287, 321, PixelTypes.Rgba32, TiffPhotometricInterpretation.BlackIsZero)] + public void TiffEncode_WorksWithDiscontiguousBuffers(TestImageProvider provider, TiffPhotometricInterpretation photometricInterpretation) + where TPixel : unmanaged, IPixel + { + provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200); + using Image image = provider.GetImage(); + + var encoder = new TiffEncoder { PhotometricInterpretation = photometricInterpretation }; + image.DebugSave(provider, encoder); + } + + private static void TestStripLength( + TestImageProvider provider, + TiffPhotometricInterpretation photometricInterpretation, + TiffCompression compression, + bool useExactComparer = true, + float compareTolerance = 0.01f) where TPixel : unmanaged, IPixel { // arrange @@ -480,10 +504,12 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff // Compare with reference. TestTiffEncoderCore( - provider, - inputMeta.BitsPerPixel, - photometricInterpretation, - inputCompression); + provider, + inputMeta.BitsPerPixel, + photometricInterpretation, + inputCompression, + useExactComparer: useExactComparer, + compareTolerance: compareTolerance); } private static void TestTiffEncoderCore( diff --git a/tests/ImageSharp.Tests/Memory/Allocators/ArrayPoolMemoryAllocatorTests.cs b/tests/ImageSharp.Tests/Memory/Allocators/ArrayPoolMemoryAllocatorTests.cs index 939e5898cd..50ec09ce3f 100644 --- a/tests/ImageSharp.Tests/Memory/Allocators/ArrayPoolMemoryAllocatorTests.cs +++ b/tests/ImageSharp.Tests/Memory/Allocators/ArrayPoolMemoryAllocatorTests.cs @@ -223,19 +223,6 @@ namespace SixLabors.ImageSharp.Tests.Memory.Allocators Assert.Equal(0, buffer.Memory.Length); } - [Theory] - [InlineData(101)] - [InlineData((int.MaxValue / SizeOfLargeStruct) - 1)] - [InlineData(int.MaxValue / SizeOfLargeStruct)] - [InlineData((int.MaxValue / SizeOfLargeStruct) + 1)] - [InlineData((int.MaxValue / SizeOfLargeStruct) + 137)] - public void Allocate_OverCapacity_Throws_InvalidMemoryOperationException(int length) - { - this.LocalFixture.MemoryAllocator.BufferCapacityInBytes = 100 * SizeOfLargeStruct; - Assert.Throws(() => - this.LocalFixture.MemoryAllocator.Allocate(length)); - } - [Theory] [InlineData(-1)] public void AllocateManagedByteBuffer_IncorrectAmount_ThrowsCorrect_ArgumentOutOfRangeException(int length) diff --git a/tests/ImageSharp.Tests/Processing/Processors/Dithering/DitherTests.cs b/tests/ImageSharp.Tests/Processing/Processors/Dithering/DitherTests.cs index 36ce5029c4..37443a5b40 100644 --- a/tests/ImageSharp.Tests/Processing/Processors/Dithering/DitherTests.cs +++ b/tests/ImageSharp.Tests/Processing/Processors/Dithering/DitherTests.cs @@ -1,6 +1,7 @@ // Copyright (c) Six Labors. // Licensed under the Apache License, Version 2.0. +using System.Runtime.CompilerServices; using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Processing; using SixLabors.ImageSharp.Processing.Processors.Dithering; @@ -172,8 +173,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Dithering provider.RunBufferCapacityLimitProcessorTest( 41, c => c.Dither(dither), - name, - ImageComparer.TolerantPercentage(0.001f)); + name); } } } diff --git a/tests/ImageSharp.Tests/TestImages.cs b/tests/ImageSharp.Tests/TestImages.cs index 7eca4795df..6d2f65f575 100644 --- a/tests/ImageSharp.Tests/TestImages.cs +++ b/tests/ImageSharp.Tests/TestImages.cs @@ -418,6 +418,7 @@ namespace SixLabors.ImageSharp.Tests public const string BadDescriptorWidth = "Gif/issues/issue403_baddescriptorwidth.gif"; public const string Issue1505 = "Gif/issues/issue1505_argumentoutofrange.png"; public const string Issue1530 = "Gif/issues/issue1530.gif"; + public const string InvalidColorIndex = "Gif/issues/issue1668_invalidcolorindex.gif"; } public static readonly string[] All = { Rings, Giphy, Cheers, Trans, Kumin, Leo, Ratio4x1, Ratio1x4 }; diff --git a/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithOctreeQuantizer_rgb32.bmp b/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithOctreeQuantizer_rgb32.bmp index b4d4754885..2b8e05b070 100644 --- a/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithOctreeQuantizer_rgb32.bmp +++ b/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithOctreeQuantizer_rgb32.bmp @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:6dba331639d724f198d7d11af971156d34076b57bba0f2d0d45e699104a3a674 +oid sha256:11375b15df083d98335f4a4baf0717e7fdd6b21ab2132a6815cadc787ac17e7d size 9270 diff --git a/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithWuQuantizer_rgb32.bmp b/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithWuQuantizer_rgb32.bmp index 01c9196964..f7eb06c558 100644 --- a/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithWuQuantizer_rgb32.bmp +++ b/tests/Images/External/ReferenceOutput/BmpEncoderTests/Encode_8BitColor_WithWuQuantizer_rgb32.bmp @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:9213e188b3a2f715ae21a5ab2fb2acedc23397207820c0999b06fa60e7052b85 +oid sha256:e063e97cd8a000de6830adcc3961a7dc41785d40cd4d83af10ca38d96e071362 size 9270 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/ApplyDiffusionFilterInBox_Rgba32_CalliphoraPartial.png b/tests/Images/External/ReferenceOutput/DitherTests/ApplyDiffusionFilterInBox_Rgba32_CalliphoraPartial.png index 80149fa376..dd2f49f08b 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/ApplyDiffusionFilterInBox_Rgba32_CalliphoraPartial.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/ApplyDiffusionFilterInBox_Rgba32_CalliphoraPartial.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:1aa62e798c085eb7b0e8e5ce5e4cb2cccfe925dd8ac3e29659f9afd53fca977c -size 329912 +oid sha256:cafc426ac8e8d02a87f67c90e8c1976c5fae0e12b49deae52ad08476f7ed49a4 +size 266391 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/ApplyDitherFilterInBox_Rgba32_CalliphoraPartial.png b/tests/Images/External/ReferenceOutput/DitherTests/ApplyDitherFilterInBox_Rgba32_CalliphoraPartial.png index 5059748d2b..79a43ed87a 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/ApplyDitherFilterInBox_Rgba32_CalliphoraPartial.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/ApplyDitherFilterInBox_Rgba32_CalliphoraPartial.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:d0c8ccdfbf6b1c961f6531ae61207a7f89507f469c875677f1755ea3d6c8d900 -size 326504 +oid sha256:4d88eb2e50ca9dbed0e8dfe4ad278cd88ddb9d3408b30d9dfe59102b167f570b +size 262887 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Bgra32_filter0.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Bgra32_filter0.png index 8f0ad4f184..daa4b5e437 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Bgra32_filter0.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Bgra32_filter0.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:0216f1684430087035b387ab02d33b043c526bd8c7d78343c31e1bc410581bfb -size 727 +oid sha256:0369747820c86bb692fc7b75f3519095c9b2a58a885ebd37c871c103d08405a0 +size 720 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgb24_filter0.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgb24_filter0.png index 8f0ad4f184..daa4b5e437 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgb24_filter0.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgb24_filter0.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:0216f1684430087035b387ab02d33b043c526bd8c7d78343c31e1bc410581bfb -size 727 +oid sha256:0369747820c86bb692fc7b75f3519095c9b2a58a885ebd37c871c103d08405a0 +size 720 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgba32_filter0.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgba32_filter0.png index 8f0ad4f184..daa4b5e437 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgba32_filter0.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_Rgba32_filter0.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:0216f1684430087035b387ab02d33b043c526bd8c7d78343c31e1bc410581bfb -size 727 +oid sha256:0369747820c86bb692fc7b75f3519095c9b2a58a885ebd37c871c103d08405a0 +size 720 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_RgbaVector_filter0.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_RgbaVector_filter0.png index ca40d71efa..d8f9b640dd 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_RgbaVector_filter0.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_ShouldNotDependOnSinglePixelType_RgbaVector_filter0.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:24191da3ce18438edefa7a189d9beadaa3057b5e4d4c550254e3a81ed159c0f8 -size 723 +oid sha256:f63aebed17504ef50d96ac7e58dc41f5227a83a38810359ed8e9cecda137183b +size 720 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Atkinson.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Atkinson.png index b03fe7b9fb..3656e32db6 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Atkinson.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Atkinson.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:087148425a048f33c6ae063064cfe374f7fb88f075d767e62c73675ec52a3e0a -size 100066 +oid sha256:471eaf2e532b40592c86dc816709d3ae4bbd64892006e00fd611ef6869d3b934 +size 52070 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Burks.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Burks.png index 33cd02bda3..7cafd50c17 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Burks.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Burks.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:b2a90c8463632606b40461ad91d80d44826f7b468ba5f1a905acfc85ad0344c9 -size 114413 +oid sha256:91fb9966a4b3eaefd5533ddf0b98ec08fbf8cbc263e4ebd438895e6d4129dd03 +size 61447 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_FloydSteinberg.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_FloydSteinberg.png index e0d901ea77..5d0c82e058 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_FloydSteinberg.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_FloydSteinberg.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:192c742bfd53f3a74d96c79e92443a922ac60c354b73d7abf292f30d10131307 -size 114842 +oid sha256:d74faa8d188a2915739de64ba9d71b2132b53c8d154db22510c524ae757578a5 +size 61183 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_JarvisJudiceNinke.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_JarvisJudiceNinke.png index aa0446d48d..584e677e20 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_JarvisJudiceNinke.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_JarvisJudiceNinke.png @@ -1,3 +1,3 @@ version https://git-lfs.github.com/spec/v1 -oid sha256:50c12659dc05b3ce8a6692cdbc72971bbc691cc7fd26c34df65b4bd71d190e5b -size 108799 +oid sha256:080cc89d1d6568a2c9b707bf05428ab5febd2951e37223f96e349cc6646d32aa +size 56070 diff --git a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Sierra2.png b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Sierra2.png index ef0afb9bd7..641ecaca19 100644 --- a/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Sierra2.png +++ b/tests/Images/External/ReferenceOutput/DitherTests/DiffusionFilter_WorksWithAllErrorDiffusers_Bike_Sierra2.png @@ -1,3 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