changes on code review

src/ImageSharp/Formats/Bmp/BmpDecoder.cs

@@ -34,7 +34,7 @@ namespace SixLabors.ImageSharp.Formats.Bmp
         }
 
         /// <inheritdoc/>
-        public IImage Identify(Configuration configuration, Stream stream)
+        public IImageInfo Identify(Configuration configuration, Stream stream)
         {
             Guard.NotNull(stream, "stream");
 

src/ImageSharp/Formats/Bmp/BmpDecoderCore.cs

@@ -141,10 +141,10 @@ namespace SixLabors.ImageSharp.Formats.Bmp
         }
 
         /// <summary>
-        /// Reads the image base information from the specified stream.
+        /// Reads the raw image information from the specified stream.
         /// </summary>
         /// <param name="stream">The <see cref="Stream"/> containing image data.</param>
-        public IImage Identify(Stream stream)
+        public IImageInfo Identify(Stream stream)
         {
             this.ReadImageHeaders(stream, out _, out _);
             return new ImageInfo(new PixelTypeInfo(this.infoHeader.BitsPerPixel), this.infoHeader.Width, this.infoHeader.Height, new ImageMetaData());

src/ImageSharp/Formats/Gif/GifDecoder.cs

@@ -36,7 +36,7 @@ namespace SixLabors.ImageSharp.Formats.Gif
         }
 
         /// <inheritdoc/>
-        public IImage Identify(Configuration configuration, Stream stream)
+        public IImageInfo Identify(Configuration configuration, Stream stream)
         {
             Guard.NotNull(stream, "stream");
 

src/ImageSharp/Formats/Gif/GifDecoderCore.cs

@@ -165,10 +165,10 @@ namespace SixLabors.ImageSharp.Formats.Gif
         }
 
         /// <summary>
-        /// Reads the image base information from the specified stream.
+        /// Reads the raw image information from the specified stream.
         /// </summary>
         /// <param name="stream">The <see cref="Stream"/> containing image data.</param>
-        public IImage Identify(Stream stream)
+        public IImageInfo Identify(Stream stream)
         {
             try
             {
@@ -425,7 +425,7 @@ namespace SixLabors.ImageSharp.Formats.Gif
             if (previousFrame == null)
             {
                 // This initializes the image to become fully transparent because the alpha channel is zero.
-                image = new Image<TPixel>(this.configuration, new PixelTypeInfo(this.logicalScreenDescriptor.BitsPerPixel),  imageWidth, imageHeight, this.metaData);
+                image = new Image<TPixel>(this.configuration, imageWidth, imageHeight, this.metaData);
 
                 this.SetFrameMetaData(image.Frames.RootFrame.MetaData);
 

src/ImageSharp/Formats/IImageInfoDetector.cs

@@ -6,16 +6,16 @@ using System.IO;
 namespace SixLabors.ImageSharp.Formats
 {
     /// <summary>
-    /// Used for detecting the image base information without decoding it.
+    /// Used for detecting the raw image information without decoding it.
     /// </summary>
     public interface IImageInfoDetector
     {
         /// <summary>
-        /// Reads the image base information from the specified stream.
+        /// Reads the raw image information from the specified stream.
         /// </summary>
         /// <param name="configuration">The configuration for the image.</param>
         /// <param name="stream">The <see cref="Stream"/> containing image data.</param>
         /// <returns>The <see cref="PixelTypeInfo"/> object</returns>
-        IImage Identify(Configuration configuration, Stream stream);
+        IImageInfo Identify(Configuration configuration, Stream stream);
     }
 }

src/ImageSharp/Formats/Jpeg/GolangPort/OrigJpegDecoder.cs

@@ -29,7 +29,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort
         }
 
         /// <inheritdoc/>
-        public IImage Identify(Configuration configuration, Stream stream)
+        public IImageInfo Identify(Configuration configuration, Stream stream)
         {
             Guard.NotNull(stream, "stream");
 

src/ImageSharp/Formats/Jpeg/GolangPort/OrigJpegDecoderCore.cs

@@ -198,10 +198,10 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort
         }
 
         /// <summary>
-        /// Reads the image base information from the specified stream.
+        /// Reads the raw image information from the specified stream.
         /// </summary>
         /// <param name="stream">The <see cref="Stream"/> containing image data.</param>
-        public IImage Identify(Stream stream)
+        public IImageInfo Identify(Stream stream)
         {
             this.ParseStream(stream, true);
             return new ImageInfo(new PixelTypeInfo(this.BitsPerPixel), this.ImageWidth, this.ImageHeight, this.MetaData);
@@ -789,7 +789,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort
         {
             using (var postProcessor = new JpegImagePostProcessor(this))
             {
-                var image = new Image<TPixel>(this.configuration, new PixelTypeInfo(this.BitsPerPixel),  this.ImageWidth, this.ImageHeight, this.MetaData);
+                var image = new Image<TPixel>(this.configuration, this.ImageWidth, this.ImageHeight, this.MetaData);
                 postProcessor.PostProcess(image.Frames.RootFrame);
                 return image;
             }

src/ImageSharp/Formats/Jpeg/JpegDecoder.cs

@@ -31,7 +31,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
         }
 
         /// <inheritdoc/>
-        public IImage Identify(Configuration configuration, Stream stream)
+        public IImageInfo Identify(Configuration configuration, Stream stream)
         {
             Guard.NotNull(stream, "stream");
 

src/ImageSharp/Formats/Jpeg/PdfJsPort/PdfJsJpegDecoderCore.cs

@@ -159,7 +159,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
 
             this.QuantizeAndInverseAllComponents();
 
-            var image = new Image<TPixel>(this.configuration, null, this.ImageWidth, this.ImageHeight, metadata);
+            var image = new Image<TPixel>(this.configuration, this.ImageWidth, this.ImageHeight, metadata);
             this.FillPixelData(image.Frames.RootFrame);
             this.AssignResolution(image);
             return image;

src/ImageSharp/Formats/PixelTypeInfo.cs

@@ -1,7 +1,7 @@
 namespace SixLabors.ImageSharp.Formats
 {
     /// <summary>
-    /// Stores information about pixel.
+    /// Stores the raw image pixel type information.
     /// </summary>
     public class PixelTypeInfo
     {

src/ImageSharp/Formats/Png/PngDecoder.cs

@@ -54,7 +54,7 @@ namespace SixLabors.ImageSharp.Formats.Png
         }
 
         /// <inheritdoc/>
-        public IImage Identify(Configuration configuration, Stream stream)
+        public IImageInfo Identify(Configuration configuration, Stream stream)
         {
             var decoder = new PngDecoderCore(configuration, this);
             return decoder.Identify(stream);

src/ImageSharp/Formats/Png/PngDecoderCore.cs

@@ -279,10 +279,10 @@ namespace SixLabors.ImageSharp.Formats.Png
         }
 
         /// <summary>
-        /// Reads the image base information from the specified stream.
+        /// Reads the raw image information from the specified stream.
         /// </summary>
         /// <param name="stream">The <see cref="Stream"/> containing image data.</param>
-        public IImage Identify(Stream stream)
+        public IImageInfo Identify(Stream stream)
         {
             var metadata = new ImageMetaData();
             this.currentStream = stream;
@@ -426,7 +426,7 @@ namespace SixLabors.ImageSharp.Formats.Png
         private void InitializeImage<TPixel>(ImageMetaData metadata, out Image<TPixel> image)
             where TPixel : struct, IPixel<TPixel>
         {
-            image = new Image<TPixel>(this.configuration, new PixelTypeInfo(this.CalculateBitsPerPixel()),  this.header.Width, this.header.Height, metadata);
+            image = new Image<TPixel>(this.configuration, this.header.Width, this.header.Height, metadata);
             this.bytesPerPixel = this.CalculateBytesPerPixel();
             this.bytesPerScanline = this.CalculateScanlineLength(this.header.Width) + 1;
             this.bytesPerSample = 1;

src/ImageSharp/Image/IImage.cs

@@ -1,31 +1,9 @@
-using SixLabors.ImageSharp.Formats;
+namespace SixLabors.ImageSharp
-using SixLabors.ImageSharp.MetaData;
-
-namespace SixLabors.ImageSharp
 {
     /// <summary>
     /// Represents the base image abstraction.
     /// </summary>
-    public interface IImage
+    public interface IImage : IImageInfo
     {
-        /// <summary>
-        /// Gets information about pixel.
-        /// </summary>
-        PixelTypeInfo PixelType { get; }
-
-        /// <summary>
-        /// Gets the width.
-        /// </summary>
-        int Width { get; }
-
-        /// <summary>
-        /// Gets the height.
-        /// </summary>
-        int Height { get; }
-
-        /// <summary>
-        /// Gets the meta data of the image.
-        /// </summary>
-        ImageMetaData MetaData { get; }
     }
 }

src/ImageSharp/Image/IImageInfo.cs

@@ -0,0 +1,31 @@
+using SixLabors.ImageSharp.Formats;
+using SixLabors.ImageSharp.MetaData;
+
+namespace SixLabors.ImageSharp
+{
+    /// <summary>
+    /// Represents raw image information.
+    /// </summary>
+    public interface IImageInfo
+    {
+        /// <summary>
+        /// Gets the raw image pixel type information.
+        /// </summary>
+        PixelTypeInfo PixelType { get; }
+
+        /// <summary>
+        /// Gets the width.
+        /// </summary>
+        int Width { get; }
+
+        /// <summary>
+        /// Gets the height.
+        /// </summary>
+        int Height { get; }
+
+        /// <summary>
+        /// Gets the meta data of the image.
+        /// </summary>
+        ImageMetaData MetaData { get; }
+    }
+}

src/ImageSharp/Image/Image.Decode.cs

@@ -86,9 +86,9 @@ namespace SixLabors.ImageSharp
         /// <param name="stream">The stream.</param>
         /// <param name="config">the configuration.</param>
         /// <returns>
-        /// The <see cref="IImage"/> or null if suitable info detector not found.
+        /// The <see cref="IImageInfo"/> or null if suitable info detector not found.
         /// </returns>
-        private static IImage InternalIdentity(Stream stream, Configuration config)
+        private static IImageInfo InternalIdentity(Stream stream, Configuration config)
         {
             var detector = DiscoverDecoder(stream, config, out IImageFormat _) as IImageInfoDetector;
             return detector?.Identify(config, stream);

src/ImageSharp/Image/Image.FromStream.cs

@@ -37,22 +37,22 @@ namespace SixLabors.ImageSharp
         }
 
         /// <summary>
-        /// By reading the header on the provided stream this reads the image base information.
+        /// By reading the header on the provided stream this reads the raw image information.
         /// </summary>
         /// <param name="stream">The image stream to read the header from.</param>
         /// <exception cref="NotSupportedException">
         /// Thrown if the stream is not readable nor seekable.
         /// </exception>
         /// <returns>
-        /// The <see cref="IImage"/> or null if suitable info detector not found.
+        /// The <see cref="IImageInfo"/> or null if suitable info detector not found.
         /// </returns>
-        public static IImage Identify(Stream stream)
+        public static IImageInfo Identify(Stream stream)
         {
             return Identify(null, stream);
         }
 
         /// <summary>
-        /// By reading the header on the provided stream this reads the image base information.
+        /// By reading the header on the provided stream this reads the raw image information.
         /// </summary>
         /// <param name="config">The configuration.</param>
         /// <param name="stream">The image stream to read the header from.</param>
@@ -60,9 +60,9 @@ namespace SixLabors.ImageSharp
         /// Thrown if the stream is not readable nor seekable.
         /// </exception>
         /// <returns>
-        /// The <see cref="IImage"/> or null if suitable info detector not found.
+        /// The <see cref="IImageInfo"/> or null if suitable info detector not found.
         /// </returns>
-        public static IImage Identify(Configuration config, Stream stream)
+        public static IImageInfo Identify(Configuration config, Stream stream)
         {
             return WithSeekableStream(stream, s => InternalIdentity(s, config ?? Configuration.Default));
         }

src/ImageSharp/Image/ImageFrameCollection.cs

@@ -129,7 +129,7 @@ namespace SixLabors.ImageSharp
 
             this.frames.Remove(frame);
 
-            return new Image<TPixel>(this.parent.GetConfiguration(), this.parent.PixelType, this.parent.MetaData.Clone(), new[] { frame });
+            return new Image<TPixel>(this.parent.GetConfiguration(), this.parent.MetaData.Clone(), new[] { frame });
         }
 
         /// <inheritdoc/>
@@ -137,7 +137,7 @@ namespace SixLabors.ImageSharp
         {
             ImageFrame<TPixel> frame = this[index];
             ImageFrame<TPixel> clonedFrame = frame.Clone();
-            return new Image<TPixel>(this.parent.GetConfiguration(), this.parent.PixelType, this.parent.MetaData.Clone(), new[] { clonedFrame });
+            return new Image<TPixel>(this.parent.GetConfiguration(), this.parent.MetaData.Clone(), new[] { clonedFrame });
         }
 
         /// <inheritdoc/>

src/ImageSharp/Image/ImageInfo.cs

@@ -3,8 +3,18 @@ using SixLabors.ImageSharp.MetaData;
 
 namespace SixLabors.ImageSharp
 {
-    internal sealed class ImageInfo : IImage
+    /// <summary>
+    /// Stores the raw image information.
+    /// </summary>
+    internal sealed class ImageInfo : IImageInfo
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ImageInfo"/> class.
+        /// </summary>
+        /// <param name="pixelType">The raw image pixel type information.</param>
+        /// <param name="width">The width of the image in pixels.</param>
+        /// <param name="height">The height of the image in pixels.</param>
+        /// <param name="metaData">The images metadata.</param>
         public ImageInfo(PixelTypeInfo pixelType, int width, int height, ImageMetaData metaData)
         {
             this.PixelType = pixelType;
@@ -13,12 +23,16 @@ namespace SixLabors.ImageSharp
             this.MetaData = metaData;
         }
 
+        /// <inheritdoc />
         public PixelTypeInfo PixelType { get; }
 
+        /// <inheritdoc />
         public int Width { get; }
 
+        /// <inheritdoc />
         public int Height { get; }
 
+        /// <inheritdoc />
         public ImageMetaData MetaData { get; }
     }
 }

src/ImageSharp/Image/Image{TPixel}.cs

@@ -5,9 +5,9 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Advanced;
 using SixLabors.ImageSharp.Formats;
-using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.MetaData;
 using SixLabors.ImageSharp.PixelFormats;
 
@@ -33,7 +33,7 @@ namespace SixLabors.ImageSharp
         /// <param name="width">The width of the image in pixels.</param>
         /// <param name="height">The height of the image in pixels.</param>
         public Image(Configuration configuration, int width, int height)
-            : this(configuration, null, width, height, new ImageMetaData())
+            : this(configuration, width, height, new ImageMetaData())
         {
         }
 
@@ -55,14 +55,13 @@ namespace SixLabors.ImageSharp
         /// <param name="configuration">
         /// The configuration providing initialization code which allows extending the library.
         /// </param>
-        /// <param name="pixelType">The information about pixel of the image.</param>
         /// <param name="width">The width of the image in pixels.</param>
         /// <param name="height">The height of the image in pixels.</param>
         /// <param name="metadata">The images metadata.</param>
-        internal Image(Configuration configuration, PixelTypeInfo pixelType, int width, int height, ImageMetaData metadata)
+        internal Image(Configuration configuration, int width, int height, ImageMetaData metadata)
         {
             this.configuration = configuration ?? Configuration.Default;
-            this.PixelType = pixelType;
+            this.PixelType = new PixelTypeInfo(Unsafe.SizeOf<TPixel>() * 8);
             this.MetaData = metadata ?? new ImageMetaData();
             this.frames = new ImageFrameCollection<TPixel>(this, width, height);
         }
@@ -72,13 +71,12 @@ namespace SixLabors.ImageSharp
         /// with the height and the width of the image.
         /// </summary>
         /// <param name="configuration">The configuration providing initialization code which allows extending the library.</param>
-        /// <param name="pixelType">The information about pixel of the image.</param>
         /// <param name="metadata">The images metadata.</param>
         /// <param name="frames">The frames that will be owned by this image instance.</param>
-        internal Image(Configuration configuration, PixelTypeInfo pixelType, ImageMetaData metadata, IEnumerable<ImageFrame<TPixel>> frames)
+        internal Image(Configuration configuration, ImageMetaData metadata, IEnumerable<ImageFrame<TPixel>> frames)
         {
             this.configuration = configuration ?? Configuration.Default;
-            this.PixelType = pixelType;
+            this.PixelType = new PixelTypeInfo(Unsafe.SizeOf<TPixel>() * 8);
             this.MetaData = metadata ?? new ImageMetaData();
 
             this.frames = new ImageFrameCollection<TPixel>(this, frames);
@@ -145,7 +143,7 @@ namespace SixLabors.ImageSharp
         public Image<TPixel> Clone()
         {
             IEnumerable<ImageFrame<TPixel>> clonedFrames = this.frames.Select(x => x.Clone());
-            return new Image<TPixel>(this.configuration, this.PixelType, this.MetaData.Clone(), clonedFrames);
+            return new Image<TPixel>(this.configuration, this.MetaData.Clone(), clonedFrames);
         }
 
         /// <inheritdoc/>
@@ -163,7 +161,7 @@ namespace SixLabors.ImageSharp
             where TPixel2 : struct, IPixel<TPixel2>
         {
             IEnumerable<ImageFrame<TPixel2>> clonedFrames = this.frames.Select(x => x.CloneAs<TPixel2>());
-            var target = new Image<TPixel2>(this.configuration, this.PixelType, this.MetaData.Clone(), clonedFrames);
+            var target = new Image<TPixel2>(this.configuration, this.MetaData.Clone(), clonedFrames);
 
             return target;
         }

src/ImageSharp/ImageSharp.csproj

@@ -1,120 +1,120 @@
 <Project Sdk="Microsoft.NET.Sdk">
-    <PropertyGroup>
+  <PropertyGroup>
-        <Description>A cross-platform library for the processing of image files; written in C#</Description>
+    <Description>A cross-platform library for the processing of image files; written in C#</Description>
-        <AssemblyTitle>SixLabors.ImageSharp</AssemblyTitle>
+    <AssemblyTitle>SixLabors.ImageSharp</AssemblyTitle>
-        <VersionPrefix Condition="$(packageversion) != ''">$(packageversion)</VersionPrefix>
+    <VersionPrefix Condition="$(packageversion) != ''">$(packageversion)</VersionPrefix>
-        <VersionPrefix Condition="$(packageversion) == ''">0.0.1</VersionPrefix>
+    <VersionPrefix Condition="$(packageversion) == ''">0.0.1</VersionPrefix>
-        <Authors>Six Labors and contributors</Authors>
+    <Authors>Six Labors and contributors</Authors>
-        <TargetFrameworks>netstandard1.1;netstandard1.3;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>netstandard1.1;netstandard1.3;netstandard2.0</TargetFrameworks>
-        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-        <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
-        <AssemblyName>SixLabors.ImageSharp</AssemblyName>
+    <AssemblyName>SixLabors.ImageSharp</AssemblyName>
-        <PackageId>SixLabors.ImageSharp</PackageId>
+    <PackageId>SixLabors.ImageSharp</PackageId>
-        <PackageTags>Image Resize Crop Gif Jpg Jpeg Bitmap Png Core</PackageTags>
+    <PackageTags>Image Resize Crop Gif Jpg Jpeg Bitmap Png Core</PackageTags>
-        <PackageIconUrl>https://raw.githubusercontent.com/SixLabors/ImageSharp/master/build/icons/imagesharp-logo-128.png</PackageIconUrl>
+    <PackageIconUrl>https://raw.githubusercontent.com/SixLabors/ImageSharp/master/build/icons/imagesharp-logo-128.png</PackageIconUrl>
-        <PackageProjectUrl>https://github.com/SixLabors/ImageSharp</PackageProjectUrl>
+    <PackageProjectUrl>https://github.com/SixLabors/ImageSharp</PackageProjectUrl>
-        <PackageLicenseUrl>http://www.apache.org/licenses/LICENSE-2.0</PackageLicenseUrl>
+    <PackageLicenseUrl>http://www.apache.org/licenses/LICENSE-2.0</PackageLicenseUrl>
-        <RepositoryType>git</RepositoryType>
+    <RepositoryType>git</RepositoryType>
-        <RepositoryUrl>https://github.com/SixLabors/ImageSharp</RepositoryUrl>
+    <RepositoryUrl>https://github.com/SixLabors/ImageSharp</RepositoryUrl>
-        <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
+    <GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
-        <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
-        <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
-        <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
-        <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
+    <GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
-        <GenerateNeutralResourcesLanguageAttribute>false</GenerateNeutralResourcesLanguageAttribute>
+    <GenerateNeutralResourcesLanguageAttribute>false</GenerateNeutralResourcesLanguageAttribute>
-        <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
+    <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
-        <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
+    <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
-        <GenerateAssemblyInformationalVersionAttribute>false</GenerateAssemblyInformationalVersionAttribute>
+    <GenerateAssemblyInformationalVersionAttribute>false</GenerateAssemblyInformationalVersionAttribute>
-        <DebugType Condition="$(codecov) != ''">full</DebugType>
+    <DebugType Condition="$(codecov) != ''">full</DebugType>
-        <DebugType Condition="$(codecov) == ''">portable</DebugType>
+    <DebugType Condition="$(codecov) == ''">portable</DebugType>
-        <DebugSymbols>True</DebugSymbols>
+    <DebugSymbols>True</DebugSymbols>
-        <Features>IOperation</Features>
+    <Features>IOperation</Features>
-    </PropertyGroup>
+  </PropertyGroup>
-    <ItemGroup>
+  <ItemGroup>
-        <Compile Include="..\Shared\*.cs" Exclude="bin\**;obj\**;**\*.xproj;packages\**" />
+    <Compile Include="..\Shared\*.cs" Exclude="bin\**;obj\**;**\*.xproj;packages\**" />
-    </ItemGroup>
+  </ItemGroup>
-    <ItemGroup>
+  <ItemGroup>
-        <PackageReference Include="SixLabors.Core" Version="1.0.0-beta0004" />
+    <PackageReference Include="SixLabors.Core" Version="1.0.0-beta0004" />
-        <AdditionalFiles Include="..\..\stylecop.json" />
+    <AdditionalFiles Include="..\..\stylecop.json" />
-        <PackageReference Include="StyleCop.Analyzers" Version="1.1.0-beta004">
+    <PackageReference Include="StyleCop.Analyzers" Version="1.1.0-beta004">
-            <PrivateAssets>All</PrivateAssets>
+      <PrivateAssets>All</PrivateAssets>
-        </PackageReference>
+    </PackageReference>
-        <PackageReference Include="System.Buffers" Version="4.4.0" />
+    <PackageReference Include="System.Buffers" Version="4.4.0" />
-        <PackageReference Include="System.Memory" Version="4.4.0-preview2-25405-01" />
+    <PackageReference Include="System.Memory" Version="4.4.0-preview2-25405-01" />
-        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.4.0" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.4.0" />
-    </ItemGroup>
+  </ItemGroup>
-    <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.1' OR '$(TargetFramework)' == 'netstandard1.3'">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.1' OR '$(TargetFramework)' == 'netstandard1.3'">
-        <PackageReference Include="System.IO.Compression" Version="4.3.0" />
+    <PackageReference Include="System.IO.Compression" Version="4.3.0" />
-        <PackageReference Include="System.Numerics.Vectors" Version="4.4.0" />
+    <PackageReference Include="System.Numerics.Vectors" Version="4.4.0" />
-        <PackageReference Include="System.Threading.Tasks.Parallel" Version="4.3.0" />
+    <PackageReference Include="System.Threading.Tasks.Parallel" Version="4.3.0" />
-        <PackageReference Include="System.ValueTuple" Version="4.4.0" />
+    <PackageReference Include="System.ValueTuple" Version="4.4.0" />
-    </ItemGroup>
+  </ItemGroup>
-    <PropertyGroup>
+  <PropertyGroup>
-        <CodeAnalysisRuleSet>..\..\ImageSharp.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRuleSet>..\..\ImageSharp.ruleset</CodeAnalysisRuleSet>
-        <RootNamespace>SixLabors.ImageSharp</RootNamespace>
+    <RootNamespace>SixLabors.ImageSharp</RootNamespace>
-    </PropertyGroup>
+  </PropertyGroup>
-    <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
-        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    </PropertyGroup>
+  </PropertyGroup>
-    <ItemGroup>
+  <ItemGroup>
-        <None Update="Formats\Jpeg\Common\Block8x8F.Generated.tt">
+    <None Update="Formats\Jpeg\Common\Block8x8F.Generated.tt">
-            <Generator>TextTemplatingFileGenerator</Generator>
+      <Generator>TextTemplatingFileGenerator</Generator>
-            <LastGenOutput>Block8x8F.Generated.cs</LastGenOutput>
+      <LastGenOutput>Block8x8F.Generated.cs</LastGenOutput>
-        </None>
+    </None>
-        <None Update="Formats\Jpeg\Components\Block8x8F.Generated.tt">
+    <None Update="Formats\Jpeg\Components\Block8x8F.Generated.tt">
-            <Generator>TextTemplatingFileGenerator</Generator>
+      <Generator>TextTemplatingFileGenerator</Generator>
-            <LastGenOutput>Block8x8F.Generated.cs</LastGenOutput>
+      <LastGenOutput>Block8x8F.Generated.cs</LastGenOutput>
-        </None>
+    </None>
-        <None Update="PixelFormats\Generated\PixelOperations{TPixel}.Generated.tt">
+    <None Update="PixelFormats\Generated\PixelOperations{TPixel}.Generated.tt">
-            <Generator>TextTemplatingFileGenerator</Generator>
+      <Generator>TextTemplatingFileGenerator</Generator>
-            <LastGenOutput>PixelOperations{TPixel}.Generated.cs</LastGenOutput>
+      <LastGenOutput>PixelOperations{TPixel}.Generated.cs</LastGenOutput>
-        </None>
+    </None>
-        <None Update="PixelFormats\Generated\Rgba32.PixelOperations.Generated.tt">
+    <None Update="PixelFormats\Generated\Rgba32.PixelOperations.Generated.tt">
-            <Generator>TextTemplatingFileGenerator</Generator>
+      <Generator>TextTemplatingFileGenerator</Generator>
-            <LastGenOutput>Rgba32.PixelOperations.Generated.cs</LastGenOutput>
+      <LastGenOutput>Rgba32.PixelOperations.Generated.cs</LastGenOutput>
-        </None>
+    </None>
-        <None Update="PixelFormats\PixelBlenders\PorterDuffFunctions.Generated.tt">
+    <None Update="PixelFormats\PixelBlenders\PorterDuffFunctions.Generated.tt">
-            <LastGenOutput>PorterDuffFunctions.Generated.cs</LastGenOutput>
+      <LastGenOutput>PorterDuffFunctions.Generated.cs</LastGenOutput>
-            <Generator>TextTemplatingFileGenerator</Generator>
+      <Generator>TextTemplatingFileGenerator</Generator>
-        </None>
+    </None>
-        <None Update="PixelFormats\PixelBlenders\DefaultPixelBlenders.Generated.tt">
+    <None Update="PixelFormats\PixelBlenders\DefaultPixelBlenders.Generated.tt">
-            <LastGenOutput>DefaultPixelBlenders.Generated.cs</LastGenOutput>
+      <LastGenOutput>DefaultPixelBlenders.Generated.cs</LastGenOutput>
-            <Generator>TextTemplatingFileGenerator</Generator>
+      <Generator>TextTemplatingFileGenerator</Generator>
-        </None>
+    </None>
-    </ItemGroup>
+  </ItemGroup>
-    <ItemGroup>
+  <ItemGroup>
-        <Service Include="{508349b6-6b84-4df5-91f0-309beebad82d}" />
+    <Service Include="{508349b6-6b84-4df5-91f0-309beebad82d}" />
-    </ItemGroup>
+  </ItemGroup>
-    <ItemGroup>
+  <ItemGroup>
-        <Compile Update="Formats\Jpeg\Common\Block8x8F.Generated.cs">
+    <Compile Update="Formats\Jpeg\Common\Block8x8F.Generated.cs">
-            <DesignTime>True</DesignTime>
+      <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
+      <AutoGen>True</AutoGen>
-            <DependentUpon>Block8x8F.Generated.tt</DependentUpon>
+      <DependentUpon>Block8x8F.Generated.tt</DependentUpon>
-        </Compile>
+    </Compile>
-        <Compile Update="Formats\Jpeg\Components\Block8x8F.Generated.cs">
+    <Compile Update="Formats\Jpeg\Components\Block8x8F.Generated.cs">
-            <DesignTime>True</DesignTime>
+      <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
+      <AutoGen>True</AutoGen>
-            <DependentUpon>Block8x8F.Generated.tt</DependentUpon>
+      <DependentUpon>Block8x8F.Generated.tt</DependentUpon>
-        </Compile>
+    </Compile>
-        <Compile Update="PixelFormats\Generated\PixelOperations{TPixel}.Generated.cs">
+    <Compile Update="PixelFormats\Generated\PixelOperations{TPixel}.Generated.cs">
-            <DesignTime>True</DesignTime>
+      <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
+      <AutoGen>True</AutoGen>
-            <DependentUpon>PixelOperations{TPixel}.Generated.tt</DependentUpon>
+      <DependentUpon>PixelOperations{TPixel}.Generated.tt</DependentUpon>
-        </Compile>
+    </Compile>
-        <Compile Update="PixelFormats\Generated\Rgba32.PixelOperations.Generated.cs">
+    <Compile Update="PixelFormats\Generated\Rgba32.PixelOperations.Generated.cs">
-            <DesignTime>True</DesignTime>
+      <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
+      <AutoGen>True</AutoGen>
-            <DependentUpon>Rgba32.PixelOperations.Generated.tt</DependentUpon>
+      <DependentUpon>Rgba32.PixelOperations.Generated.tt</DependentUpon>
-        </Compile>
+    </Compile>
-        <Compile Update="PixelFormats\PixelBlenders\DefaultPixelBlenders.Generated.cs">
+    <Compile Update="PixelFormats\PixelBlenders\DefaultPixelBlenders.Generated.cs">
-            <DesignTime>True</DesignTime>
+      <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
+      <AutoGen>True</AutoGen>
-            <DependentUpon>DefaultPixelBlenders.Generated.tt</DependentUpon>
+      <DependentUpon>DefaultPixelBlenders.Generated.tt</DependentUpon>
-        </Compile>
+    </Compile>
-        <Compile Update="PixelFormats\PixelBlenders\PorterDuffFunctions.Generated.cs">
+    <Compile Update="PixelFormats\PixelBlenders\PorterDuffFunctions.Generated.cs">
-            <DesignTime>True</DesignTime>
+      <DesignTime>True</DesignTime>
-            <AutoGen>True</AutoGen>
+      <AutoGen>True</AutoGen>
-            <DependentUpon>PorterDuffFunctions.Generated.tt</DependentUpon>
+      <DependentUpon>PorterDuffFunctions.Generated.tt</DependentUpon>
-        </Compile>
+    </Compile>
-    </ItemGroup>
+  </ItemGroup>
 </Project>

src/ImageSharp/Processing/Processors/Transforms/ResizeProcessor.cs

@@ -60,7 +60,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             // For resize we know we are going to populate every pixel with fresh data and we want a different target size so
             // let's manually clone an empty set of images at the correct target and then have the base class process them in turn.
             IEnumerable<ImageFrame<TPixel>> frames = source.Frames.Select(x => new ImageFrame<TPixel>(this.Width, this.Height, x.MetaData.Clone())); // this will create places holders
-            var image = new Image<TPixel>(config, source.PixelType, source.MetaData.Clone(), frames); // base the place holder images in to prevent a extra frame being added
+            var image = new Image<TPixel>(config, source.MetaData.Clone(), frames); // base the place holder images in to prevent a extra frame being added
 
             return image;
         }

tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/SystemDrawingReferenceDecoder.cs

@@ -5,12 +5,11 @@
 using System.IO;
 
 using SixLabors.ImageSharp.Formats;
+using SixLabors.ImageSharp.MetaData;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
 {
-    using SixLabors.ImageSharp.MetaData;
-
     public class SystemDrawingReferenceDecoder : IImageDecoder, IImageInfoDetector
     {
         public static SystemDrawingReferenceDecoder Instance { get; } = new SystemDrawingReferenceDecoder();
@@ -44,7 +43,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
             }
         }
 
-        public IImage Identify(Configuration configuration, Stream stream)
+        public IImageInfo Identify(Configuration configuration, Stream stream)
         {
             using (var sourceBitmap = new System.Drawing.Bitmap(stream))
             {