Inlining temporary compatibility methods (FromScaledVector4, ToScaledVector4)

src/ImageSharp/PixelFormats/PixelBlender{TPixel}.cs

@@ -112,21 +112,15 @@ namespace SixLabors.ImageSharp.PixelFormats
                 Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
                 Span<Vector4> sourceSpan = buffer.Slice(destination.Length * 2, destination.Length);
 
-                PixelOperations<TPixel>.Instance.ToScaledVector4(
+                ReadOnlySpan<TPixel> sourcePixels = background.Slice(0, background.Length);
-                    configuration,
+                PixelOperations<TPixel>.Instance.ToVector4(configuration, sourcePixels, backgroundSpan, PixelConversionModifiers.Scale);
-                    background.Slice(0, background.Length),
+                ReadOnlySpan<TPixelSrc> sourcePixels1 = source.Slice(0, background.Length);
-                    backgroundSpan);
+                PixelOperations<TPixelSrc>.Instance.ToVector4(configuration, sourcePixels1, sourceSpan, PixelConversionModifiers.Scale);
-                PixelOperations<TPixelSrc>.Instance.ToScaledVector4(
-                    configuration,
-                    source.Slice(0, background.Length),
-                    sourceSpan);
 
                 this.BlendFunction(destinationSpan, backgroundSpan, sourceSpan, amount);
 
-                PixelOperations<TPixel>.Instance.FromScaledVector4(
+                Span<Vector4> sourceVectors = destinationSpan.Slice(0, background.Length);
-                    configuration,
+                PixelOperations<TPixel>.Instance.FromVector4(configuration, sourceVectors, destination, PixelConversionModifiers.Scale);
-                    destinationSpan.Slice(0, background.Length),
-                    destination);
             }
         }
 
@@ -161,21 +155,15 @@ namespace SixLabors.ImageSharp.PixelFormats
                 Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
                 Span<Vector4> sourceSpan = buffer.Slice(destination.Length * 2, destination.Length);
 
-                PixelOperations<TPixel>.Instance.ToScaledVector4(
+                ReadOnlySpan<TPixel> sourcePixels = background.Slice(0, background.Length);
-                    configuration,
+                PixelOperations<TPixel>.Instance.ToVector4(configuration, sourcePixels, backgroundSpan, PixelConversionModifiers.Scale);
-                    background.Slice(0, background.Length),
+                ReadOnlySpan<TPixelSrc> sourcePixels1 = source.Slice(0, background.Length);
-                    backgroundSpan);
+                PixelOperations<TPixelSrc>.Instance.ToVector4(configuration, sourcePixels1, sourceSpan, PixelConversionModifiers.Scale);
-                PixelOperations<TPixelSrc>.Instance.ToScaledVector4(
-                    configuration,
-                    source.Slice(0, background.Length),
-                    sourceSpan);
 
                 this.BlendFunction(destinationSpan, backgroundSpan, sourceSpan, amount);
 
-                PixelOperations<TPixel>.Instance.FromScaledVector4(
+                Span<Vector4> sourceVectors = destinationSpan.Slice(0, background.Length);
-                    configuration,
+                PixelOperations<TPixel>.Instance.FromVector4(configuration, sourceVectors, destination, PixelConversionModifiers.Scale);
-                    destinationSpan.Slice(0, background.Length),
-                    destination);
             }
         }
     }

src/ImageSharp/PixelFormats/PixelOperations{TPixel}.cs

@@ -41,15 +41,6 @@ namespace SixLabors.ImageSharp.PixelFormats
             Utils.Vector4Converters.Default.FromVector4(sourceVectors, destPixels, modifiers);
         }
 
-        /// <summary>
-        /// TODO: For compatibility, should be inlined!
-        /// </summary>
-        internal void FromScaledVector4(
-            Configuration configuration,
-            Span<Vector4> sourceVectors,
-            Span<TPixel> destPixels) =>
-            this.FromVector4(configuration, sourceVectors, destPixels, PixelConversionModifiers.Scale);
-
         /// <summary>
         /// Bulk version of <see cref="IPixel.FromVector4"/> converting 'sourceVectors.Length' pixels into 'destinationColors'.
         /// TODO: Rename to DestructiveFromVector4() + add explain behavior
@@ -90,12 +81,6 @@ namespace SixLabors.ImageSharp.PixelFormats
             Span<Vector4> destVectors) =>
             this.ToVector4(configuration, sourcePixels, destVectors, PixelConversionModifiers.None);
 
-        /// <summary>
-        /// TODO: For compatibility, should be inlined!
-        /// </summary>
-        internal void ToScaledVector4(Configuration configuration, ReadOnlySpan<TPixel> sourcePixels, Span<Vector4> destVectors) =>
-            this.ToVector4(configuration, sourcePixels, destVectors, PixelConversionModifiers.Scale);
-
         /// <summary>
         /// Converts 'sourceColors.Length' pixels from 'sourceColors' into 'destinationColors'.
         /// </summary>

src/ImageSharp/PixelFormats/Utils/Vector4Converters.RgbaCompatible.cs

@@ -32,10 +32,7 @@ namespace SixLabors.ImageSharp.PixelFormats.Utils
 
             /// <summary>
             /// Provides an efficient default implementation for <see cref="PixelOperations{TPixel}.ToVector4(SixLabors.ImageSharp.Configuration,System.ReadOnlySpan{TPixel},System.Span{System.Numerics.Vector4},SixLabors.ImageSharp.PixelFormats.PixelConversionModifiers)"/>
-            /// and <see cref="PixelOperations{TPixel}.ToScaledVector4"/>
+            /// The method works by internally converting to a <see cref="Rgba32"/> therefore it's not applicable for that type!
-            /// which is applicable for <see cref="Rgba32"/>-compatible pixel types where <see cref="IPixel.ToVector4"/>
-            /// returns the same scaled result as <see cref="IPixel.ToScaledVector4"/>.
-            /// The method is works by internally converting to a <see cref="Rgba32"/> therefore it's not applicable for that type!
             /// </summary>
             [MethodImpl(InliningOptions.ShortMethod)]
             internal static void ToVector4<TPixel>(
@@ -79,9 +76,6 @@ namespace SixLabors.ImageSharp.PixelFormats.Utils
 
             /// <summary>
             /// Provides an efficient default implementation for <see cref="PixelOperations{TPixel}.FromVector4(SixLabors.ImageSharp.Configuration,System.Span{System.Numerics.Vector4},System.Span{TPixel},SixLabors.ImageSharp.PixelFormats.PixelConversionModifiers)"/>
-            /// and <see cref="PixelOperations{TPixel}.FromScaledVector4"/>
-            /// which is applicable for <see cref="Rgba32"/>-compatible pixel types where <see cref="IPixel.ToVector4"/>
-            /// returns the same scaled result as <see cref="IPixel.ToScaledVector4"/>.
             /// The method is works by internally converting to a <see cref="Rgba32"/> therefore it's not applicable for that type!
             /// </summary>
             [MethodImpl(InliningOptions.ShortMethod)]

src/ImageSharp/Processing/Processors/Dithering/PaletteDitherProcessorBase.cs

@@ -98,7 +98,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering
             if (this.paletteVector is null)
             {
                 this.paletteVector = new Vector4[this.Palette.Length];
-                PixelOperations<TPixel>.Instance.ToScaledVector4(configuration, this.Palette, this.paletteVector);
+                PixelOperations<TPixel>.Instance.ToVector4(configuration, (ReadOnlySpan<TPixel>)this.Palette, (Span<Vector4>)this.paletteVector, PixelConversionModifiers.Scale);
             }
         }
     }

src/ImageSharp/Processing/Processors/Quantization/FrameQuantizerBase{TPixel}.cs

@@ -79,7 +79,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization
             // Collect the palette. Required before the second pass runs.
             TPixel[] palette = this.GetPalette();
             this.paletteVector = new Vector4[palette.Length];
-            PixelOperations<TPixel>.Instance.ToScaledVector4(image.Configuration, palette, this.paletteVector);
+            PixelOperations<TPixel>.Instance.ToVector4(image.Configuration, (ReadOnlySpan<TPixel>)palette, (Span<Vector4>)this.paletteVector, PixelConversionModifiers.Scale);
             var quantizedFrame = new QuantizedFrame<TPixel>(image.MemoryAllocator, width, height, palette);
 
             if (this.Dither)

tests/ImageSharp.Tests/PixelFormats/PixelOperations/PixelOperationsTests.cs

@@ -124,8 +124,11 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats.PixelOperations
             TestOperation(
                 source,
                 expected,
-                (s, d) => Operations.FromScaledVector4(this.Configuration, s, d.GetSpan())
+                (s, d) =>
-            );
+                    {
+                        Span<TPixel> destPixels = d.GetSpan();
+                        Operations.FromVector4(this.Configuration, (Span<Vector4>)s, destPixels, PixelConversionModifiers.Scale);
+                    });
         }
 
         [Theory]
@@ -262,8 +265,11 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats.PixelOperations
             TestOperation(
                 source,
                 expected,
-                (s, d) => Operations.ToScaledVector4(this.Configuration, s, d.GetSpan())
+                (s, d) =>
-            );
+                    {
+                        Span<Vector4> destVectors = d.GetSpan();
+                        Operations.ToVector4(this.Configuration, (ReadOnlySpan<TPixel>)s, destVectors, PixelConversionModifiers.Scale);
+                    });
         }
 
         [Theory]

tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs

@@ -41,7 +41,7 @@ namespace SixLabors.ImageSharp.Tests
                             {
                                 Span<TPixel> pixelSpan = frame.GetPixelSpan();
 
-                                PixelOperations<TPixel>.Instance.ToScaledVector4(configuration, pixelSpan, tempSpan);
+                                PixelOperations<TPixel>.Instance.ToVector4(configuration, pixelSpan, tempSpan, PixelConversionModifiers.Scale);
 
                                 for (int i = 0; i < tempSpan.Length; i++)
                                 {
@@ -49,7 +49,7 @@ namespace SixLabors.ImageSharp.Tests
                                     v.W = 1F;
                                 }
 
-                                PixelOperations<TPixel>.Instance.FromScaledVector4(configuration, tempSpan, pixelSpan);
+                                PixelOperations<TPixel>.Instance.FromVector4(configuration, tempSpan, pixelSpan, PixelConversionModifiers.Scale);
                             }
                         }
                     });