Alpha8 => A8

src/ImageSharp/Advanced/AotCompilerTools.cs

@@ -40,7 +40,7 @@ namespace SixLabors.ImageSharp.Advanced
         /// </summary>
         private static void SeedEverything()
         {
-            Seed<Alpha8>();
+            Seed<A8>();
             Seed<Argb32>();
             Seed<Bgr24>();
             Seed<Bgr565>();

src/ImageSharp/PixelFormats/PixelImplementations/Alpha8.cs → src/ImageSharp/PixelFormats/PixelImplementations/A8.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Six Labors and contributors.
+// Copyright (c) Six Labors and contributors.
 // Licensed under the Apache License, Version 2.0.
 
 using System;
@@ -8,56 +8,56 @@ using System.Runtime.CompilerServices;
 namespace SixLabors.ImageSharp.PixelFormats
 {
     /// <summary>
-    /// Packed pixel type containing a single 8 bit normalized W values.
+    /// Packed pixel type containing a single 8 bit normalized alpha value.
     /// <para>
     /// Ranges from [0, 0, 0, 0] to [0, 0, 0, 1] in vector form.
     /// </para>
     /// </summary>
-    public struct Alpha8 : IPixel<Alpha8>, IPackedVector<byte>
+    public struct A8 : IPixel<A8>, IPackedVector<byte>
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="Alpha8"/> struct.
+        /// Initializes a new instance of the <see cref="A8"/> struct.
         /// </summary>
         /// <param name="alpha">The alpha component.</param>
-        public Alpha8(byte alpha) => this.PackedValue = alpha;
+        public A8(byte alpha) => this.PackedValue = alpha;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="Alpha8"/> struct.
+        /// Initializes a new instance of the <see cref="A8"/> struct.
         /// </summary>
         /// <param name="alpha">The alpha component.</param>
-        public Alpha8(float alpha) => this.PackedValue = Pack(alpha);
+        public A8(float alpha) => this.PackedValue = Pack(alpha);
 
         /// <inheritdoc />
         public byte PackedValue { get; set; }
 
         /// <summary>
-        /// Compares two <see cref="Alpha8"/> objects for equality.
+        /// Compares two <see cref="A8"/> objects for equality.
         /// </summary>
         /// <param name="left">
-        /// The <see cref="Alpha8"/> on the left side of the operand.
+        /// The <see cref="A8"/> on the left side of the operand.
         /// </param>
         /// <param name="right">
-        /// The <see cref="Alpha8"/> on the right side of the operand.
+        /// The <see cref="A8"/> on the right side of the operand.
         /// </param>
         /// <returns>
         /// True if the <paramref name="left"/> parameter is equal to the <paramref name="right"/> parameter; otherwise, false.
         /// </returns>
         [MethodImpl(InliningOptions.ShortMethod)]
-        public static bool operator ==(Alpha8 left, Alpha8 right) => left.Equals(right);
+        public static bool operator ==(A8 left, A8 right) => left.Equals(right);
 
         /// <summary>
-        /// Compares two <see cref="Alpha8"/> objects for equality.
+        /// Compares two <see cref="A8"/> objects for equality.
         /// </summary>
-        /// <param name="left">The <see cref="Alpha8"/> on the left side of the operand.</param>
+        /// <param name="left">The <see cref="A8"/> on the left side of the operand.</param>
-        /// <param name="right">The <see cref="Alpha8"/> on the right side of the operand.</param>
+        /// <param name="right">The <see cref="A8"/> on the right side of the operand.</param>
         /// <returns>
         /// True if the <paramref name="left"/> parameter is not equal to the <paramref name="right"/> parameter; otherwise, false.
         /// </returns>
         [MethodImpl(InliningOptions.ShortMethod)]
-        public static bool operator !=(Alpha8 left, Alpha8 right) => !left.Equals(right);
+        public static bool operator !=(A8 left, A8 right) => !left.Equals(right);
 
         /// <inheritdoc />
-        public PixelOperations<Alpha8> CreatePixelOperations() => new PixelOperations<Alpha8>();
+        public PixelOperations<A8> CreatePixelOperations() => new PixelOperations<A8>();
 
         /// <inheritdoc/>
         [MethodImpl(InliningOptions.ShortMethod)]
@@ -128,21 +128,21 @@ namespace SixLabors.ImageSharp.PixelFormats
         /// </summary>
         /// <param name="obj">The object to compare.</param>
         /// <returns>True if the object is equal to the packed vector.</returns>
-        public override bool Equals(object obj) => obj is Alpha8 other && this.Equals(other);
+        public override bool Equals(object obj) => obj is A8 other && this.Equals(other);
 
         /// <summary>
-        /// Compares another Alpha8 packed vector with the packed vector.
+        /// Compares another A8 packed vector with the packed vector.
         /// </summary>
-        /// <param name="other">The Alpha8 packed vector to compare.</param>
+        /// <param name="other">The A8 packed vector to compare.</param>
         /// <returns>True if the packed vectors are equal.</returns>
         [MethodImpl(InliningOptions.ShortMethod)]
-        public bool Equals(Alpha8 other) => this.PackedValue.Equals(other.PackedValue);
+        public bool Equals(A8 other) => this.PackedValue.Equals(other.PackedValue);
 
         /// <summary>
         /// Gets a string representation of the packed vector.
         /// </summary>
         /// <returns>A string representation of the packed vector.</returns>
-        public override string ToString() => $"Alpha8({this.PackedValue})";
+        public override string ToString() => $"A8({this.PackedValue})";
 
         /// <inheritdoc />
         [MethodImpl(InliningOptions.ShortMethod)]
@@ -156,4 +156,4 @@ namespace SixLabors.ImageSharp.PixelFormats
         [MethodImpl(InliningOptions.ShortMethod)]
         private static byte Pack(float alpha) => (byte)Math.Round(alpha.Clamp(0, 1F) * 255F);
     }
-}
+}

src/ImageSharp/Processing/Processors/Binarization/BinaryErrorDiffusionProcessor{TPixel}.cs

@@ -39,7 +39,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             IErrorDiffuser diffuser = this.definition.Diffuser;
 
             byte threshold = (byte)MathF.Round(this.definition.Threshold * 255F);
-            bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8);
+            bool isAlphaOnly = typeof(TPixel) == typeof(A8);
 
             var interest = Rectangle.Intersect(this.SourceRectangle, source.Bounds());
             int startY = interest.Y;

src/ImageSharp/Processing/Processors/Binarization/BinaryOrderedDitherProcessor{TPixel}.cs

@@ -38,7 +38,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             TPixel upperColor = this.definition.UpperColor.ToPixel<TPixel>();
             TPixel lowerColor = this.definition.LowerColor.ToPixel<TPixel>();
 
-            bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8);
+            bool isAlphaOnly = typeof(TPixel) == typeof(A8);
 
             var interest = Rectangle.Intersect(this.SourceRectangle, source.Bounds());
             int startY = interest.Y;

src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor{TPixel}.cs

@@ -47,7 +47,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             int startX = interest.X;
             int endX = interest.Right;
 
-            bool isAlphaOnly = typeof(TPixel) == typeof(Alpha8);
+            bool isAlphaOnly = typeof(TPixel) == typeof(A8);
 
             var workingRect = Rectangle.FromLTRB(startX, startY, endX, endY);
 

tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs

@@ -37,7 +37,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Png
             TestImages.Png.VimImage2,
 
             TestImages.Png.Rgb24BppTrans,
-            TestImages.Png.GrayAlpha8Bit,
+            TestImages.Png.GrayA8Bit,
             TestImages.Png.Gray1BitTrans,
             TestImages.Png.Bad.ZlibOverflow,
             TestImages.Png.Bad.ZlibOverflow2,
@@ -73,7 +73,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Png
                 TestImages.Png.GrayAlpha1BitInterlaced,
                 TestImages.Png.GrayAlpha2BitInterlaced,
                 TestImages.Png.Gray4BitInterlaced,
-                TestImages.Png.GrayAlpha8BitInterlaced
+                TestImages.Png.GrayA8BitInterlaced
             };
 
         public static readonly string[] TestImagesIssue1014 =
@@ -180,7 +180,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Png
         }
 
         [Theory]
-        [WithFile(TestImages.Png.GrayAlpha8BitInterlaced, PixelTypes)]
+        [WithFile(TestImages.Png.GrayA8BitInterlaced, PixelTypes)]
         public void Decoder_CanDecodeGrey8bitWithAlpha<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : struct, IPixel<TPixel>
         {

tests/ImageSharp.Tests/PixelFormats/Alpha8Tests.cs → tests/ImageSharp.Tests/PixelFormats/A8Tests.cs

@@ -7,42 +7,42 @@ using Xunit;
 
 namespace SixLabors.ImageSharp.Tests.PixelFormats
 {
-    public class Alpha8Tests
+    public class A8Tests
     {
         [Fact]
-        public void Alpha8_Constructor()
+        public void A8_Constructor()
         {
             // Test the limits.
-            Assert.Equal(byte.MinValue, new Alpha8(0F).PackedValue);
+            Assert.Equal(byte.MinValue, new A8(0F).PackedValue);
-            Assert.Equal(byte.MaxValue, new Alpha8(1F).PackedValue);
+            Assert.Equal(byte.MaxValue, new A8(1F).PackedValue);
 
             // Test clamping.
-            Assert.Equal(byte.MinValue, new Alpha8(-1234F).PackedValue);
+            Assert.Equal(byte.MinValue, new A8(-1234F).PackedValue);
-            Assert.Equal(byte.MaxValue, new Alpha8(1234F).PackedValue);
+            Assert.Equal(byte.MaxValue, new A8(1234F).PackedValue);
 
             // Test ordering
-            Assert.Equal(124, new Alpha8(124F / byte.MaxValue).PackedValue);
+            Assert.Equal(124, new A8(124F / byte.MaxValue).PackedValue);
-            Assert.Equal(26, new Alpha8(0.1F).PackedValue);
+            Assert.Equal(26, new A8(0.1F).PackedValue);
         }
 
         [Fact]
-        public void Alpha8_Equality()
+        public void A8_Equality()
         {
-            var left = new Alpha8(16);
+            var left = new A8(16);
-            var right = new Alpha8(32);
+            var right = new A8(32);
 
-            Assert.True(left == new Alpha8(16));
+            Assert.True(left == new A8(16));
             Assert.True(left != right);
-            Assert.Equal(left, (object)new Alpha8(16));
+            Assert.Equal(left, (object)new A8(16));
         }
 
         [Fact]
-        public void Alpha8_FromScaledVector4()
+        public void A8_FromScaledVector4()
         {
             // Arrange
-            Alpha8 alpha = default;
+            A8 alpha = default;
             int expected = 128;
-            Vector4 scaled = new Alpha8(.5F).ToScaledVector4();
+            Vector4 scaled = new A8(.5F).ToScaledVector4();
 
             // Act
             alpha.FromScaledVector4(scaled);
@@ -53,10 +53,10 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats
         }
 
         [Fact]
-        public void Alpha8_ToScaledVector4()
+        public void A8_ToScaledVector4()
         {
             // Arrange
-            var alpha = new Alpha8(.5F);
+            var alpha = new A8(.5F);
 
             // Act
             Vector4 actual = alpha.ToScaledVector4();
@@ -69,10 +69,10 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats
         }
 
         [Fact]
-        public void Alpha8_ToVector4()
+        public void A8_ToVector4()
         {
             // Arrange
-            var alpha = new Alpha8(.5F);
+            var alpha = new A8(.5F);
 
             // Act
             var actual = alpha.ToVector4();
@@ -85,9 +85,9 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats
         }
 
         [Fact]
-        public void Alpha8_ToRgba32()
+        public void A8_ToRgba32()
         {
-            var input = new Alpha8(128);
+            var input = new A8(128);
             var expected = new Rgba32(0, 0, 0, 128);
 
             Rgba32 actual = default;
@@ -96,10 +96,10 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats
         }
 
         [Fact]
-        public void Alpha8_FromBgra5551()
+        public void A8_FromBgra5551()
         {
             // arrange
-            var alpha = default(Alpha8);
+            var alpha = default(A8);
             byte expected = byte.MaxValue;
 
             // act

tests/ImageSharp.Tests/Processing/Transforms/TransformsHelpersTest.cs

@@ -15,7 +15,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
         {
             int xy = 1;
 
-            using (var img = new Image<Alpha8>(xy, xy))
+            using (var img = new Image<A8>(xy, xy))
             {
                 var profile = new ExifProfile();
                 img.Metadata.ExifProfile = profile;

tests/ImageSharp.Tests/TestImages.cs

@@ -28,8 +28,8 @@ namespace SixLabors.ImageSharp.Tests
             public const string Bpp1 = "Png/bpp1.png";
             public const string Gray4Bpp = "Png/gray_4bpp.png";
             public const string Gray16Bit = "Png/gray-16.png";
-            public const string GrayAlpha8Bit = "Png/gray-alpha-8.png";
+            public const string GrayA8Bit = "Png/gray-alpha-8.png";
-            public const string GrayAlpha8BitInterlaced = "Png/rollsroyce.png";
+            public const string GrayA8BitInterlaced = "Png/rollsroyce.png";
             public const string GrayAlpha1BitInterlaced = "Png/iftbbn0g01.png";
             public const string GrayAlpha2BitInterlaced = "Png/iftbbn0g02.png";
             public const string Gray4BitInterlaced = "Png/iftbbn0g04.png";

tests/ImageSharp.Tests/TestUtilities/PixelTypes.cs

@@ -14,7 +14,7 @@ namespace SixLabors.ImageSharp.Tests
     {
         Undefined = 0,
 
-        Alpha8 = 1 << 0,
+        A8 = 1 << 0,
 
         Argb32 = 1 << 1,
 

tests/ImageSharp.Tests/TestUtilities/TestUtils.cs

@@ -39,8 +39,8 @@ namespace SixLabors.ImageSharp.Tests
             ClrTypes2PixelTypes[defaultPixelFormatType] = PixelTypes.Rgba32;
 
             // Add PixelFormat types
-            string nameSpace = typeof(Alpha8).FullName;
+            string nameSpace = typeof(A8).FullName;
-            nameSpace = nameSpace.Substring(0, nameSpace.Length - typeof(Alpha8).Name.Length - 1);
+            nameSpace = nameSpace.Substring(0, nameSpace.Length - typeof(A8).Name.Length - 1);
             foreach (PixelTypes pt in AllConcretePixelTypes.Where(pt => pt != PixelTypes.Rgba32))
             {
                 string typeName = $"{nameSpace}.{pt}";

tests/ImageSharp.Tests/TestUtilities/Tests/TestImageProviderTests.cs

@@ -170,7 +170,7 @@ namespace SixLabors.ImageSharp.Tests
 
         [Theory]
         [WithBlankImages(1, 1, PixelTypes.Rgba32, PixelTypes.Rgba32)]
-        [WithBlankImages(1, 1, PixelTypes.Alpha8, PixelTypes.Alpha8)]
+        [WithBlankImages(1, 1, PixelTypes.A8, PixelTypes.A8)]
         [WithBlankImages(1, 1, PixelTypes.Argb32, PixelTypes.Argb32)]
         public void PixelType_PropertyValueIsCorrect<TPixel>(TestImageProvider<TPixel> provider, PixelTypes expected)
             where TPixel : struct, IPixel<TPixel> =>

tests/ImageSharp.Tests/TestUtilities/Tests/TestUtilityExtensionsTests.cs

@@ -99,13 +99,13 @@ namespace SixLabors.ImageSharp.Tests
         [Fact]
         public void ExpandAllTypes_1()
         {
-            PixelTypes pixelTypes = PixelTypes.Alpha8 | PixelTypes.Bgr565 | PixelTypes.HalfVector2 | PixelTypes.Rgba32;
+            PixelTypes pixelTypes = PixelTypes.A8 | PixelTypes.Bgr565 | PixelTypes.HalfVector2 | PixelTypes.Rgba32;
 
             IEnumerable<KeyValuePair<PixelTypes, Type>> expanded = pixelTypes.ExpandAllTypes();
 
             Assert.Equal(4, expanded.Count());
 
-            AssertContainsPixelType<Alpha8>(PixelTypes.Alpha8, expanded);
+            AssertContainsPixelType<A8>(PixelTypes.A8, expanded);
             AssertContainsPixelType<Bgr565>(PixelTypes.Bgr565, expanded);
             AssertContainsPixelType<HalfVector2>(PixelTypes.HalfVector2, expanded);
             AssertContainsPixelType<Rgba32>(PixelTypes.Rgba32, expanded);