Rename helper

src/ImageSharp/Processing/Transforms/TaperTransform.cs → src/ImageSharp/Processing/Transforms/ProjectiveTransformHelper.cs

@@ -54,20 +54,20 @@ namespace SixLabors.ImageSharp.Processing.Transforms
     }
 
     /// <summary>
-    /// Provides methods for the creation of generalized tapering projective transforms.
+    /// Provides helper methods for working with generalized projective transforms.
-    /// <see href="https://docs.microsoft.com/en-us/xamarin/xamarin-forms/user-interface/graphics/skiasharp/transforms/non-affine"/>
     /// </summary>
-    public static class TaperTransform
+    public static class ProjectiveTransformHelper
     {
         /// <summary>
         /// Creates a matrix that performs a tapering projective transform.
+        /// <see href="https://docs.microsoft.com/en-us/xamarin/xamarin-forms/user-interface/graphics/skiasharp/transforms/non-affine"/>
         /// </summary>
-        /// <param name="size">The resultant size of the tapered output</param>
+        /// <param name="size">The rectangular size of the image being transformed.</param>
-        /// <param name="taperSide">The taper side option</param>
+        /// <param name="taperSide">An enumeration that indicates the side of the rectangle that tapers.</param>
-        /// <param name="taperCorner">The taper corner option</param>
+        /// <param name="taperCorner">An enumeration that indicates on which corners to taper the rectangle.</param>
-        /// <param name="taperFraction">The amount to taper</param>
+        /// <param name="taperFraction">The amount to taper.</param>
         /// <returns>The <see cref="Matrix4x4"/></returns>
-        public static Matrix4x4 Create(Size size, TaperSide taperSide, TaperCorner taperCorner, float taperFraction)
+        public static Matrix4x4 CreateTaperMatrix(Size size, TaperSide taperSide, TaperCorner taperCorner, float taperFraction)
         {
             Matrix4x4 matrix = Matrix4x4.Identity;
 

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

@@ -10,14 +10,11 @@ using SixLabors.ImageSharp.Processing.Transforms;
 using SixLabors.ImageSharp.Processing.Transforms.Resamplers;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Processing.Transforms
 {
     public class ProjectiveTransformTests
     {
-        // private readonly ITestOutputHelper Output;
-
         private static readonly ImageComparer ValidatorComparer = ImageComparer.TolerantPercentage(0.005f, 3);
 
         public static readonly TheoryData<string> ResamplerNames = new TheoryData<string>
@@ -47,12 +44,9 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
             IResampler sampler = GetResampler(resamplerName);
             using (Image<TPixel> image = provider.GetImage())
             {
-                Matrix4x4 m = TaperTransform.Create(image.Size(), TaperSide.Right, TaperCorner.Both, .5F);
+                Matrix4x4 m = ProjectiveTransformHelper.CreateTaperMatrix(image.Size(), TaperSide.Right, TaperCorner.Both, .5F);
 
-                image.Mutate(i =>
+                image.Mutate(i => { i.Transform(m, sampler); });
-                    {
-                        i.Transform(m, sampler);
-                    });
 
                 image.DebugSave(provider, resamplerName);