From 22d212de09cb653281fb0a3c82346311289ede44 Mon Sep 17 00:00:00 2001
From: Anton Firszov <antonfir@gmail.com>
Date: Sun, 21 Jan 2018 03:55:11 +0100
Subject: [PATCH] renamed NonAffineTransformProcessor to
 ProjectiveTransformProcessor

---
 ...cs => CenteredProjectiveTransformProcessor.cs} |  6 +++---
 ...ocessor.cs => ProjectiveTransformProcessor.cs} | 15 ++++++++-------
 src/ImageSharp/Processing/Transforms/Transform.cs |  8 +++++---
 3 files changed, 16 insertions(+), 13 deletions(-)
 rename src/ImageSharp/Processing/Processors/Transforms/{CenteredNonAffineTransformProcessor.cs => CenteredProjectiveTransformProcessor.cs} (87%)
 rename src/ImageSharp/Processing/Processors/Transforms/{NonAffineTransformProcessor.cs => ProjectiveTransformProcessor.cs} (93%)

diff --git a/src/ImageSharp/Processing/Processors/Transforms/CenteredNonAffineTransformProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/CenteredProjectiveTransformProcessor.cs
similarity index 87%
rename from src/ImageSharp/Processing/Processors/Transforms/CenteredNonAffineTransformProcessor.cs
rename to src/ImageSharp/Processing/Processors/Transforms/CenteredProjectiveTransformProcessor.cs
index bb1505c80..dc2dd28ab 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/CenteredNonAffineTransformProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/CenteredProjectiveTransformProcessor.cs
@@ -11,15 +11,15 @@ namespace SixLabors.ImageSharp.Processing.Processors
     /// A base class that provides methods to allow the automatic centering of non-affine transforms
     /// </summary>
     /// <typeparam name="TPixel">The pixel format.</typeparam>
-    internal abstract class CenteredNonAffineTransformProcessor<TPixel> : NonAffineTransformProcessor<TPixel>
+    internal abstract class CenteredProjectiveTransformProcessor<TPixel> : ProjectiveTransformProcessor<TPixel>
         where TPixel : struct, IPixel<TPixel>
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="CenteredNonAffineTransformProcessor{TPixel}"/> class.
+        /// Initializes a new instance of the <see cref="CenteredProjectiveTransformProcessor{TPixel}"/> class.
         /// </summary>
         /// <param name="matrix">The transform matrix</param>
         /// <param name="sampler">The sampler to perform the transform operation.</param>
-        protected CenteredNonAffineTransformProcessor(Matrix4x4 matrix, IResampler sampler)
+        protected CenteredProjectiveTransformProcessor(Matrix4x4 matrix, IResampler sampler)
             : base(matrix, sampler)
         {
         }
diff --git a/src/ImageSharp/Processing/Processors/Transforms/NonAffineTransformProcessor.cs b/src/ImageSharp/Processing/Processors/Transforms/ProjectiveTransformProcessor.cs
similarity index 93%
rename from src/ImageSharp/Processing/Processors/Transforms/NonAffineTransformProcessor.cs
rename to src/ImageSharp/Processing/Processors/Transforms/ProjectiveTransformProcessor.cs
index caaf812b0..579a0ac9a 100644
--- a/src/ImageSharp/Processing/Processors/Transforms/NonAffineTransformProcessor.cs
+++ b/src/ImageSharp/Processing/Processors/Transforms/ProjectiveTransformProcessor.cs
@@ -16,39 +16,40 @@ namespace SixLabors.ImageSharp.Processing.Processors
 {
     /// <summary>
     /// Provides the base methods to perform non-affine transforms on an image.
+    /// TODO: Doesn't work yet! Implement tests + Finish implementation + Document Matrix4x4 behavior
     /// </summary>
     /// <typeparam name="TPixel">The pixel format.</typeparam>
-    internal class NonAffineTransformProcessor<TPixel> : InterpolatedTransformProcessorBase<TPixel>
+    internal class ProjectiveTransformProcessor<TPixel> : InterpolatedTransformProcessorBase<TPixel>
         where TPixel : struct, IPixel<TPixel>
     {
         private Rectangle targetRectangle;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="NonAffineTransformProcessor{TPixel}"/> class.
+        /// Initializes a new instance of the <see cref="ProjectiveTransformProcessor{TPixel}"/> class.
         /// </summary>
         /// <param name="matrix">The transform matrix</param>
-        public NonAffineTransformProcessor(Matrix4x4 matrix)
+        public ProjectiveTransformProcessor(Matrix4x4 matrix)
            : this(matrix, KnownResamplers.Bicubic)
         {
         }
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="NonAffineTransformProcessor{TPixel}"/> class.
+        /// Initializes a new instance of the <see cref="ProjectiveTransformProcessor{TPixel}"/> class.
         /// </summary>
         /// <param name="matrix">The transform matrix</param>
         /// <param name="sampler">The sampler to perform the transform operation.</param>
-        public NonAffineTransformProcessor(Matrix4x4 matrix, IResampler sampler)
+        public ProjectiveTransformProcessor(Matrix4x4 matrix, IResampler sampler)
            : this(matrix, sampler, Rectangle.Empty)
         {
         }
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="NonAffineTransformProcessor{TPixel}"/> class.
+        /// Initializes a new instance of the <see cref="ProjectiveTransformProcessor{TPixel}"/> class.
         /// </summary>
         /// <param name="matrix">The transform matrix</param>
         /// <param name="sampler">The sampler to perform the transform operation.</param>
         /// <param name="rectangle">The rectangle to constrain the transformed image to.</param>
-        public NonAffineTransformProcessor(Matrix4x4 matrix, IResampler sampler, Rectangle rectangle)
+        public ProjectiveTransformProcessor(Matrix4x4 matrix, IResampler sampler, Rectangle rectangle)
             : base(sampler)
         {
             // Tansforms are inverted else the output is the opposite of the expected.
diff --git a/src/ImageSharp/Processing/Transforms/Transform.cs b/src/ImageSharp/Processing/Transforms/Transform.cs
index 496e57def..21cd7863a 100644
--- a/src/ImageSharp/Processing/Transforms/Transform.cs
+++ b/src/ImageSharp/Processing/Transforms/Transform.cs
@@ -89,7 +89,8 @@ namespace SixLabors.ImageSharp
             => Transform(source, matrix, KnownResamplers.NearestNeighbor);
 
         /// <summary>
-        /// Transforms an image by the given matrix using the specified sampling algorithm.
+        /// Applies a projective transform to the image by the given matrix using the specified sampling algorithm.
+        /// TODO: Doesn't work yet! Implement tests + Finish implementation + Document Matrix4x4 behavior
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image to transform.</param>
@@ -101,7 +102,8 @@ namespace SixLabors.ImageSharp
             => Transform(source, matrix, sampler, Rectangle.Empty);
 
         /// <summary>
-        /// Transforms an image by the given matrix using the specified sampling algorithm.
+        /// Applies a projective transform to the image by the given matrix using the specified sampling algorithm.
+        /// TODO: Doesn't work yet! Implement tests + Finish implementation + Document Matrix4x4 behavior
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image to transform.</param>
@@ -111,6 +113,6 @@ namespace SixLabors.ImageSharp
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         internal static IImageProcessingContext<TPixel> Transform<TPixel>(this IImageProcessingContext<TPixel> source, Matrix4x4 matrix, IResampler sampler, Rectangle rectangle)
             where TPixel : struct, IPixel<TPixel>
-            => source.ApplyProcessor(new NonAffineTransformProcessor<TPixel>(matrix, sampler, rectangle));
+            => source.ApplyProcessor(new ProjectiveTransformProcessor<TPixel>(matrix, sampler, rectangle));
     }
 }
\ No newline at end of file