tsai
/
ImageSharp
mirror of https://github.com/SixLabors/ImageSharp
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Add identifier tests and begin cleanup

pull/525/head
James Jackson-South 8 years ago
parent
1b595f8634
commit
81d68e244d
8 changed files with 121 additions and 303 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 43
      src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsComponent.cs
  2. 32
      src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsComponentBlocks.cs
  3. 98
      src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsJpegPixelArea.cs
  4. 67
      src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsQuantizationTables.cs
  5. 35
      src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsScanDecoder.cs
  6. 121
      src/ImageSharp/Formats/Jpeg/PdfJsPort/PdfJsJpegDecoderCore.cs
  7. 22
      tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.cs
  8. 6
      tests/ImageSharp.Tests/TestUtilities/ImageComparison/ImageComparer.cs

43
src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsComponent.cs
View File

@ -1,43 +0,0 @@
// Copyright (c) Six Labors and contributors.
// Licensed under the Apache License, Version 2.0.
using System;
using System.Numerics;
using SixLabors.ImageSharp.Memory;
namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
{
/// <summary>
/// Represents a component block
/// </summary>
internal class PdfJsComponent : IDisposable
{
#pragma warning disable SA1401
/// <summary>
/// Gets or sets the output
/// </summary>
public IBuffer<short> Output;
/// <summary>
/// Gets or sets the scaling factors
/// </summary>
public Vector2 Scale;
/// <summary>
/// Gets or sets the number of blocks per line
/// </summary>
public int BlocksPerLine;
/// <summary>
/// Gets or sets the number of blocks per column
/// </summary>
public int BlocksPerColumn;
/// <inheritdoc/>
public void Dispose()
{
this.Output?.Dispose();
this.Output = null;
}
}
}

32
src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsComponentBlocks.cs
View File

@ -1,32 +0,0 @@
// Copyright (c) Six Labors and contributors.
// Licensed under the Apache License, Version 2.0.
using System;
namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
{
/// <summary>
/// Contains all the decoded component blocks
/// </summary>
internal sealed class PdfJsComponentBlocks : IDisposable
{
/// <summary>
/// Gets or sets the component blocks
/// </summary>
public PdfJsComponent[] Components { get; set; }
/// <inheritdoc/>
public void Dispose()
{
if (this.Components != null)
{
for (int i = 0; i < this.Components.Length; i++)
{
this.Components[i].Dispose();
}
this.Components = null;
}
}
}
}

98
src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsJpegPixelArea.cs
View File

@ -54,55 +54,55 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
this.componentData = this.memoryManager.Allocate<byte>(this.Width * this.Height * this.NumberOfComponents); this.componentData = this.memoryManager.Allocate<byte>(this.Width * this.Height * this.NumberOfComponents);
} }
/// <summary> //// <summary>
/// Organsizes the decoded jpeg components into a linear array ordered by component. //// Organsizes the decoded jpeg components into a linear array ordered by component.
/// This must be called before attempting to retrieve the data. //// This must be called before attempting to retrieve the data.
/// </summary> //// </summary>
/// <param name="components">The jpeg component blocks</param> //// <param name="components">The jpeg component blocks</param>
public void LinearizeBlockData(PdfJsComponentBlocks components) // public void LinearizeBlockData(PdfJsComponentBlocks components)
{ // {
ref byte componentDataRef = ref MemoryMarshal.GetReference(this.componentData.Span); // ref byte componentDataRef = ref MemoryMarshal.GetReference(this.componentData.Span);
const uint Mask3Lsb = 0xFFFFFFF8; // Used to clear the 3 LSBs // const uint Mask3Lsb = 0xFFFFFFF8; // Used to clear the 3 LSBs
using (IBuffer<int> xScaleBlockOffset = this.memoryManager.Allocate<int>(this.Width)) // using (IBuffer<int> xScaleBlockOffset = this.memoryManager.Allocate<int>(this.Width))
{ // {
ref int xScaleBlockOffsetRef = ref MemoryMarshal.GetReference(xScaleBlockOffset.Span); // ref int xScaleBlockOffsetRef = ref MemoryMarshal.GetReference(xScaleBlockOffset.Span);
int numberOfComponents = this.NumberOfComponents; // int numberOfComponents = this.NumberOfComponents;
int width = this.Width; // int width = this.Width;
int height = this.Height; // int height = this.Height;
//
for (int i = 0; i < numberOfComponents; i++) // for (int i = 0; i < numberOfComponents; i++)
{ // {
ref PdfJsComponent component = ref components.Components[i]; // ref PdfJsComponent component = ref components.Components[i];
ref short outputRef = ref MemoryMarshal.GetReference(component.Output.Span); // ref short outputRef = ref MemoryMarshal.GetReference(component.Output.Span);
Vector2 componentScale = component.Scale; // Vector2 componentScale = component.Scale;
float cX = componentScale.X; // float cX = componentScale.X;
float cY = componentScale.Y; // float cY = componentScale.Y;
int blocksPerScanline = (component.BlocksPerLine + 1) << 3; // int blocksPerScanline = (component.BlocksPerLine + 1) << 3;
//
// Precalculate the xScaleBlockOffset // // Precalculate the xScaleBlockOffset
int j; // int j;
for (int x = 0; x < width; x++) // for (int x = 0; x < width; x++)
{ // {
j = (int)(x * cX); // j = (int)(x * cX);
Unsafe.Add(ref xScaleBlockOffsetRef, x) = (int)((j & Mask3Lsb) << 3) | (j & 7); // Unsafe.Add(ref xScaleBlockOffsetRef, x) = (int)((j & Mask3Lsb) << 3) | (j & 7);
} // }
//
// Linearize the blocks of the component // // Linearize the blocks of the component
int offset = i; // int offset = i;
for (int y = 0; y < height; y++) // for (int y = 0; y < height; y++)
{ // {
j = (int)(y * cY); // j = (int)(y * cY);
int index = blocksPerScanline * (int)(j & Mask3Lsb) | ((j & 7) << 3); // int index = blocksPerScanline * (int)(j & Mask3Lsb) | ((j & 7) << 3);
for (int x = 0; x < width; x++) // for (int x = 0; x < width; x++)
{ // {
Unsafe.Add(ref componentDataRef, offset) = (byte)Unsafe.Add(ref outputRef, index + Unsafe.Add(ref xScaleBlockOffsetRef, x)); // Unsafe.Add(ref componentDataRef, offset) = (byte)Unsafe.Add(ref outputRef, index + Unsafe.Add(ref xScaleBlockOffsetRef, x));
offset += numberOfComponents; // offset += numberOfComponents;
} // }
} // }
} // }
} // }
} // }
/// <summary> /// <summary>
/// Gets a <see cref="Span{Byte}"/> representing the row 'y' beginning from the the first byte on that row. /// Gets a <see cref="Span{Byte}"/> representing the row 'y' beginning from the the first byte on that row.

67
src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsQuantizationTables.cs
View File

@ -1,67 +0,0 @@
// Copyright (c) Six Labors and contributors.
// Licensed under the Apache License, Version 2.0.
using System;
using System.Runtime.CompilerServices;
using SixLabors.ImageSharp.Memory;
namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
{
/// <summary>
/// Contains the quantization tables.
/// </summary>
internal sealed class PdfJsQuantizationTables : IDisposable
{
public PdfJsQuantizationTables(MemoryManager memoryManager)
{
this.Tables = memoryManager.Allocate2D<short>(64, 4);
}
/// <summary>
/// Gets the ZigZag scan table
/// </summary>
public static byte[] DctZigZag
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get;
}
=
{
0,
1, 8,
16, 9, 2,
3, 10, 17, 24,
32, 25, 18, 11, 4,
5, 12, 19, 26, 33, 40,
48, 41, 34, 27, 20, 13, 6,
7, 14, 21, 28, 35, 42, 49, 56,
57, 50, 43, 36, 29, 22, 15,
23, 30, 37, 44, 51, 58,
59, 52, 45, 38, 31,
39, 46, 53, 60,
61, 54, 47,
55, 62,
63
};
/// <summary>
/// Gets or sets the quantization tables.
/// </summary>
public Buffer2D<short> Tables
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get; set;
}
/// <inheritdoc/>
public void Dispose()
{
if (this.Tables != null)
{
this.Tables.Dispose();
this.Tables = null;
}
}
}
}

35
src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsScanDecoder.cs
View File

@ -2,7 +2,9 @@
// Licensed under the Apache License, Version 2.0. // Licensed under the Apache License, Version 2.0.
using System; using System;
#if DEBUG
using System.Diagnostics; using System.Diagnostics;
#endif
using System.IO; using System.IO;
using System.Runtime.CompilerServices; using System.Runtime.CompilerServices;
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
@ -15,6 +17,28 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
/// </summary> /// </summary>
internal struct PdfJsScanDecoder internal struct PdfJsScanDecoder
{ {
/// <summary>
/// Gets the ZigZag scan table
/// </summary>
private static readonly byte[] DctZigZag =
{
0,
1, 8,
16, 9, 2,
3, 10, 17, 24,
32, 25, 18, 11, 4,
5, 12, 19, 26, 33, 40,
48, 41, 34, 27, 20, 13, 6,
7, 14, 21, 28, 35, 42, 49, 56,
57, 50, 43, 36, 29, 22, 15,
23, 30, 37, 44, 51, 58,
59, 52, 45, 38, 31,
39, 46, 53, 60,
61, 54, 47,
55, 62,
63
};
private byte[] markerBuffer; private byte[] markerBuffer;
private int bitsData; private int bitsData;
@ -203,11 +227,6 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
if (componentsLength == 1) if (componentsLength == 1)
{ {
PdfJsFrameComponent component = components[this.compIndex]; PdfJsFrameComponent component = components[this.compIndex];
// TODO: This is where our error is happening.
// We can't simply cast the span as I think the scan decoder expects data to be laid out in linear order
// rather than in the column major order expected by the Block8x8 struct and anything reading it down the pipeline.
// Ask Anton about this. It might be a lost cause.
ref short blockDataRef = ref MemoryMarshal.GetReference(MemoryMarshal.Cast<Block8x8, short>(component.SpectralBlocks.Span)); ref short blockDataRef = ref MemoryMarshal.GetReference(MemoryMarshal.Cast<Block8x8, short>(component.SpectralBlocks.Span));
ref PdfJsHuffmanTable dcHuffmanTable = ref dcHuffmanTables[component.DCHuffmanTableId]; ref PdfJsHuffmanTable dcHuffmanTable = ref dcHuffmanTables[component.DCHuffmanTableId];
ref PdfJsHuffmanTable acHuffmanTable = ref acHuffmanTables[component.ACHuffmanTableId]; ref PdfJsHuffmanTable acHuffmanTable = ref acHuffmanTables[component.ACHuffmanTableId];
@ -765,7 +784,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
break; break;
} }
ref byte z = ref PdfJsQuantizationTables.DctZigZag[k]; ref byte z = ref DctZigZag[k];
short re = (short)this.ReceiveAndExtend(s, stream); short re = (short)this.ReceiveAndExtend(s, stream);
Unsafe.Add(ref blockDataRef, offset + z) = re; Unsafe.Add(ref blockDataRef, offset + z) = re;
k++; k++;
@ -833,7 +852,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
k += r; k += r;
ref byte z = ref PdfJsQuantizationTables.DctZigZag[k]; ref byte z = ref DctZigZag[k];
Unsafe.Add(ref blockDataRef, offset + z) = (short)(this.ReceiveAndExtend(s, stream) * (1 << this.successiveState)); Unsafe.Add(ref blockDataRef, offset + z) = (short)(this.ReceiveAndExtend(s, stream) * (1 << this.successiveState));
k++; k++;
} }
@ -848,7 +867,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
while (k <= e) while (k <= e)
{ {
int offsetZ = offset + PdfJsQuantizationTables.DctZigZag[k]; int offsetZ = offset + DctZigZag[k];
ref short blockOffsetZRef = ref Unsafe.Add(ref blockDataRef, offsetZ); ref short blockOffsetZRef = ref Unsafe.Add(ref blockDataRef, offsetZ);
int sign = blockOffsetZRef < 0 ? -1 : 1; int sign = blockOffsetZRef < 0 ? -1 : 1;

121
src/ImageSharp/Formats/Jpeg/PdfJsPort/PdfJsJpegDecoderCore.cs
View File

@ -39,19 +39,25 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
private readonly Configuration configuration; private readonly Configuration configuration;
/// <summary> /// <summary>
/// Gets the temporary buffer used to store bytes read from the stream. /// The buffer used to temporarily store bytes read from the stream.
/// </summary> /// </summary>
private readonly byte[] temp = new byte[2 * 16 * 4]; private readonly byte[] temp = new byte[2 * 16 * 4];
/// <summary>
/// The buffer used to read markers from the stream.
/// </summary>
private readonly byte[] markerBuffer = new byte[2]; private readonly byte[] markerBuffer = new byte[2];
// private PdfJsQuantizationTables quantizationTables; /// <summary>
/// The DC HUffman tables
/// </summary>
private PdfJsHuffmanTables dcHuffmanTables; private PdfJsHuffmanTables dcHuffmanTables;
/// <summary>
/// The AC HUffman tables
/// </summary>
private PdfJsHuffmanTables acHuffmanTables; private PdfJsHuffmanTables acHuffmanTables;
private PdfJsComponentBlocks components;
private PdfJsJpegPixelArea pixelArea; private PdfJsJpegPixelArea pixelArea;
private ushort resetInterval; private ushort resetInterval;
@ -185,14 +191,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
where TPixel : struct, IPixel<TPixel> where TPixel : struct, IPixel<TPixel>
{ {
this.ParseStream(stream); this.ParseStream(stream);
return this.PostProcessIntoImage<TPixel>();
Image<TPixel> image = this.PostProcessIntoImage<TPixel>();
// this.QuantizeAndInverseAllComponents();
// var image = new Image<TPixel>(this.configuration, this.ImageWidth, this.ImageHeight, this.MetaData);
// this.FillPixelData(image.Frames.RootFrame);
this.AssignResolution();
return image;
} }
/// <summary> /// <summary>
@ -321,12 +320,11 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
break; break;
case PdfJsJpegConstants.Markers.SOS: case PdfJsJpegConstants.Markers.SOS:
if (metadataOnly) if (!metadataOnly)
{ {
return; this.ProcessStartOfScanMarker();
} }
this.ProcessStartOfScanMarker();
break; break;
} }
@ -336,58 +334,23 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
this.ImageWidth = this.Frame.SamplesPerLine; this.ImageWidth = this.Frame.SamplesPerLine;
this.ImageHeight = this.Frame.Scanlines; this.ImageHeight = this.Frame.Scanlines;
this.components = new PdfJsComponentBlocks { Components = new PdfJsComponent[this.Frame.ComponentCount] }; this.ComponentCount = this.Frame.ComponentCount;
for (int i = 0; i < this.components.Components.Length; i++)
{
PdfJsFrameComponent frameComponent = this.Frame.Components[i];
var component = new PdfJsComponent
{
Scale = new System.Numerics.Vector2(
frameComponent.HorizontalSamplingFactor / (float)this.Frame.MaxHorizontalFactor,
frameComponent.VerticalSamplingFactor / (float)this.Frame.MaxVerticalFactor),
BlocksPerLine = frameComponent.WidthInBlocks,
BlocksPerColumn = frameComponent.HeightInBlocks
};
// this.QuantizeAndInverseComponentData(ref component, frameComponent);
this.components.Components[i] = component;
}
this.ComponentCount = this.components.Components.Length;
} }
/// <inheritdoc/> /// <inheritdoc/>
public void Dispose() public void Dispose()
{ {
this.Frame?.Dispose(); this.Frame?.Dispose();
this.components?.Dispose();
// this.quantizationTables?.Dispose();
this.pixelArea.Dispose(); this.pixelArea.Dispose();
// Set large fields to null. // Set large fields to null.
this.Frame = null; this.Frame = null;
this.components = null;
// this.quantizationTables = null;
this.dcHuffmanTables = null; this.dcHuffmanTables = null;
this.acHuffmanTables = null; this.acHuffmanTables = null;
} }
internal void QuantizeAndInverseAllComponents()
{
for (int i = 0; i < this.components.Components.Length; i++)
{
PdfJsFrameComponent frameComponent = this.Frame.Components[i];
PdfJsComponent component = this.components.Components[i];
this.QuantizeAndInverseComponentData(component, frameComponent);
}
}
/// <summary> /// <summary>
/// Fills the given image with the color data /// Fills the given image with the color data. TODO: Delete ME!!
/// </summary> /// </summary>
/// <typeparam name="TPixel">The pixel format.</typeparam> /// <typeparam name="TPixel">The pixel format.</typeparam>
/// <param name="image">The image</param> /// <param name="image">The image</param>
@ -400,8 +363,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
} }
this.pixelArea = new PdfJsJpegPixelArea(this.configuration.MemoryManager, image.Width, image.Height, this.ComponentCount); this.pixelArea = new PdfJsJpegPixelArea(this.configuration.MemoryManager, image.Width, image.Height, this.ComponentCount);
this.pixelArea.LinearizeBlockData(this.components);
// this.pixelArea.LinearizeBlockData(this.components);
if (this.ComponentCount == 1) if (this.ComponentCount == 1)
{ {
this.FillGrayScaleImage(image); this.FillGrayScaleImage(image);
@ -433,6 +396,10 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
} }
} }
/// <summary>
/// Returns the correct colorspace based on the image component count
/// </summary>
/// <returns>The <see cref="JpegColorSpace"/></returns>
private JpegColorSpace DeduceJpegColorSpace() private JpegColorSpace DeduceJpegColorSpace()
{ {
if (this.ComponentCount == 1) if (this.ComponentCount == 1)
@ -536,12 +503,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
byte[] profile = new byte[remaining]; byte[] profile = new byte[remaining];
this.InputStream.Read(profile, 0, remaining); this.InputStream.Read(profile, 0, remaining);
if (profile[0] == PdfJsJpegConstants.Markers.Exif.E && if (ProfileResolver.IsProfile(profile, ProfileResolver.ExifMarker))
profile[1] == PdfJsJpegConstants.Markers.Exif.X &&
profile[2] == PdfJsJpegConstants.Markers.Exif.I &&
profile[3] == PdfJsJpegConstants.Markers.Exif.F &&
profile[4] == PdfJsJpegConstants.Markers.Exif.Null &&
profile[5] == PdfJsJpegConstants.Markers.Exif.Null)
{ {
this.isExif = true; this.isExif = true;
this.MetaData.ExifProfile = new ExifProfile(profile); this.MetaData.ExifProfile = new ExifProfile(profile);
@ -566,18 +528,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
this.InputStream.Read(identifier, 0, Icclength); this.InputStream.Read(identifier, 0, Icclength);
remaining -= Icclength; // We have read it by this point remaining -= Icclength; // We have read it by this point
if (identifier[0] == PdfJsJpegConstants.Markers.ICC.I && if (ProfileResolver.IsProfile(identifier, ProfileResolver.IccMarker))
identifier[1] == PdfJsJpegConstants.Markers.ICC.C &&
identifier[2] == PdfJsJpegConstants.Markers.ICC.C &&
identifier[3] == PdfJsJpegConstants.Markers.ICC.UnderScore &&
identifier[4] == PdfJsJpegConstants.Markers.ICC.P &&
identifier[5] == PdfJsJpegConstants.Markers.ICC.R &&
identifier[6] == PdfJsJpegConstants.Markers.ICC.O &&
identifier[7] == PdfJsJpegConstants.Markers.ICC.F &&
identifier[8] == PdfJsJpegConstants.Markers.ICC.I &&
identifier[9] == PdfJsJpegConstants.Markers.ICC.L &&
identifier[10] == PdfJsJpegConstants.Markers.ICC.E &&
identifier[11] == PdfJsJpegConstants.Markers.ICC.Null)
{ {
byte[] profile = new byte[remaining]; byte[] profile = new byte[remaining];
this.InputStream.Read(profile, 0, remaining); this.InputStream.Read(profile, 0, remaining);
@ -880,33 +831,6 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
successiveApproximation & 15); successiveApproximation & 15);
} }
/// <summary>
/// Build the data for the given component
/// </summary>
/// <param name="component">The component</param>
/// <param name="frameComponent">The frame component</param>
private void QuantizeAndInverseComponentData(PdfJsComponent component, PdfJsFrameComponent frameComponent)
{
int blocksPerLine = component.BlocksPerLine;
int blocksPerColumn = component.BlocksPerColumn;
using (IBuffer<short> computationBuffer = this.configuration.MemoryManager.Allocate<short>(64, true))
{
// ref short quantizationTableRef = ref MemoryMarshal.GetReference(this.quantizationTables.Tables.GetRowSpan(frameComponent.QuantizationTableIndex));
// ref short computationBufferSpan = ref MemoryMarshal.GetReference(computationBuffer.Span);
//
// for (int blockRow = 0; blockRow < blocksPerColumn; blockRow++)
// {
// for (int blockCol = 0; blockCol < blocksPerLine; blockCol++)
// {
// int offset = 64 * (((blocksPerLine + 1) * blockRow) + blockCol);
// PdfJsIDCT.QuantizeAndInverse(frameComponent, offset, ref computationBufferSpan, ref quantizationTableRef);
// }
// }
}
// component.Output = frameComponent.BlockData;
}
/// <summary> /// <summary>
/// Builds the huffman tables /// Builds the huffman tables
/// </summary> /// </summary>
@ -1029,6 +953,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
where TPixel : struct, IPixel<TPixel> where TPixel : struct, IPixel<TPixel>
{ {
this.ColorSpace = this.DeduceJpegColorSpace(); this.ColorSpace = this.DeduceJpegColorSpace();
this.AssignResolution();
using (var postProcessor = new JpegImagePostProcessor(this.configuration.MemoryManager, this)) using (var postProcessor = new JpegImagePostProcessor(this.configuration.MemoryManager, this))
{ {
var image = new Image<TPixel>(this.configuration, this.ImageWidth, this.ImageHeight, this.MetaData); var image = new Image<TPixel>(this.configuration, this.ImageWidth, this.ImageHeight, this.MetaData);

22
tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.cs
View File

@ -453,12 +453,28 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg
[InlineData(TestImages.Jpeg.Baseline.Ycck, 32)] [InlineData(TestImages.Jpeg.Baseline.Ycck, 32)]
[InlineData(TestImages.Jpeg.Baseline.Jpeg400, 8)] [InlineData(TestImages.Jpeg.Baseline.Jpeg400, 8)]
[InlineData(TestImages.Jpeg.Baseline.Snake, 24)] [InlineData(TestImages.Jpeg.Baseline.Snake, 24)]
public void DetectPixelSize(string imagePath, int expectedPixelSize) public void DetectPixelSizeGolang(string imagePath, int expectedPixelSize)
{ {
TestFile testFile = TestFile.Create(imagePath); var testFile = TestFile.Create(imagePath);
using (var stream = new MemoryStream(testFile.Bytes, false)) using (var stream = new MemoryStream(testFile.Bytes, false))
{ {
Assert.Equal(expectedPixelSize, Image.Identify(stream)?.PixelType?.BitsPerPixel); Assert.Equal(expectedPixelSize, ((IImageInfoDetector)OrigJpegDecoder).Identify(Configuration.Default, stream)?.PixelType?.BitsPerPixel);
}
}
[Theory]
[InlineData(TestImages.Jpeg.Progressive.Progress, 24)]
[InlineData(TestImages.Jpeg.Progressive.Fb, 24)]
[InlineData(TestImages.Jpeg.Baseline.Cmyk, 32)]
[InlineData(TestImages.Jpeg.Baseline.Ycck, 32)]
[InlineData(TestImages.Jpeg.Baseline.Jpeg400, 8)]
[InlineData(TestImages.Jpeg.Baseline.Snake, 24)]
public void DetectPixelSizePdfJs(string imagePath, int expectedPixelSize)
{
var testFile = TestFile.Create(imagePath);
using (var stream = new MemoryStream(testFile.Bytes, false))
{
Assert.Equal(expectedPixelSize, ((IImageInfoDetector)PdfJsJpegDecoder).Identify(Configuration.Default, stream)?.PixelType?.BitsPerPixel);
} }
} }
} }

6
tests/ImageSharp.Tests/TestUtilities/ImageComparison/ImageComparer.cs
View File

@ -117,10 +117,10 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison
IEnumerable<ImageSimilarityReport<TPixelA, TPixelB>> reports = comparer.CompareImages(expected, actual); IEnumerable<ImageSimilarityReport<TPixelA, TPixelB>> reports = comparer.CompareImages(expected, actual);
if (reports.Any()) if (reports.Any())
{ {
List<ImageSimilarityReport<TPixelA, TPixelB>> cleanedReports = new List<ImageSimilarityReport<TPixelA, TPixelB>>(reports.Count()); var cleanedReports = new List<ImageSimilarityReport<TPixelA, TPixelB>>(reports.Count());
foreach (var r in reports) foreach (ImageSimilarityReport<TPixelA, TPixelB> r in reports)
{ {
var outsideChanges = r.Differences.Where(x => !( IEnumerable<PixelDifference> outsideChanges = r.Differences.Where(x => !(
ignoredRegion.X <= x.Position.X && ignoredRegion.X <= x.Position.X &&
x.Position.X <= ignoredRegion.Right && x.Position.X <= ignoredRegion.Right &&
ignoredRegion.Y <= x.Position.Y && ignoredRegion.Y <= x.Position.Y &&

Write Preview
Loading…
Cancel
Save