Use Size

src/ImageSharp/DefaultInternalImageProcessorContext.cs

@@ -52,7 +52,7 @@ namespace SixLabors.ImageSharp
         }
 
         /// <inheritdoc/>
-        public Rectangle Bounds() => this.destination?.Bounds() ?? this.source.Bounds();
+        public Size GetCurrentSize() => this.destination?.Size() ?? this.source.Size();
 
         /// <inheritdoc/>
         public IImageProcessingContext<TPixel> ApplyProcessor(IImageProcessor<TPixel> processor, Rectangle rectangle)
@@ -78,7 +78,7 @@ namespace SixLabors.ImageSharp
         /// <inheritdoc/>
         public IImageProcessingContext<TPixel> ApplyProcessor(IImageProcessor<TPixel> processor)
         {
-            return this.ApplyProcessor(processor, this.Bounds());
+            return this.ApplyProcessor(processor, this.source.Bounds());
         }
     }
 }

src/ImageSharp/IImageProcessingContext{TPixel}.cs

@@ -22,10 +22,10 @@ namespace SixLabors.ImageSharp
         MemoryManager MemoryManager { get; }
 
         /// <summary>
-        /// Gets the image bounds at the current point in the processing pipeline.
+        /// Gets the image dimensions at the current point in the processing pipeline.
         /// </summary>
         /// <returns>The <see cref="Rectangle"/></returns>
-        Rectangle Bounds();
+        Size GetCurrentSize();
 
         /// <summary>
         /// Adds the processor to the current set of image operations to be applied.

src/ImageSharp/Processing/Transforms/Resize.cs

@@ -23,7 +23,7 @@ namespace SixLabors.ImageSharp
         /// <remarks>Passing zero for one of height or width within the resize options will automatically preserve the aspect ratio of the original image</remarks>
         public static IImageProcessingContext<TPixel> Resize<TPixel>(this IImageProcessingContext<TPixel> source, ResizeOptions options)
             where TPixel : struct, IPixel<TPixel>
-        => source.ApplyProcessor(new ResizeProcessor<TPixel>(options, source.Bounds().Size));
+        => source.ApplyProcessor(new ResizeProcessor<TPixel>(options, source.GetCurrentSize()));
 
         /// <summary>
         /// Resizes an image to the given <see cref="Size"/>.
@@ -147,7 +147,7 @@ namespace SixLabors.ImageSharp
             Rectangle targetRectangle,
             bool compand)
             where TPixel : struct, IPixel<TPixel>
-        => source.ApplyProcessor(new ResizeProcessor<TPixel>(sampler, width, height, source.Bounds().Size, targetRectangle, compand), sourceRectangle);
+        => source.ApplyProcessor(new ResizeProcessor<TPixel>(sampler, width, height, source.GetCurrentSize(), targetRectangle, compand), sourceRectangle);
 
         /// <summary>
         /// Resizes an image to the given width and height with the given sampler and source rectangle.
@@ -171,6 +171,6 @@ namespace SixLabors.ImageSharp
             Rectangle targetRectangle,
             bool compand)
             where TPixel : struct, IPixel<TPixel>
-        => source.ApplyProcessor(new ResizeProcessor<TPixel>(sampler, width, height, source.Bounds().Size, targetRectangle, compand));
+        => source.ApplyProcessor(new ResizeProcessor<TPixel>(sampler, width, height, source.GetCurrentSize(), targetRectangle, compand));
     }
 }

src/ImageSharp/Processing/Transforms/Rotate.cs

@@ -44,6 +44,6 @@ namespace SixLabors.ImageSharp
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         public static IImageProcessingContext<TPixel> Rotate<TPixel>(this IImageProcessingContext<TPixel> source, float degrees, IResampler sampler)
             where TPixel : struct, IPixel<TPixel>
-        => source.ApplyProcessor(new RotateProcessor<TPixel>(degrees, sampler, source.Bounds().Size));
+        => source.ApplyProcessor(new RotateProcessor<TPixel>(degrees, sampler, source.GetCurrentSize()));
     }
 }

src/ImageSharp/Processing/Transforms/Skew.cs

@@ -35,6 +35,6 @@ namespace SixLabors.ImageSharp
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         public static IImageProcessingContext<TPixel> Skew<TPixel>(this IImageProcessingContext<TPixel> source, float degreesX, float degreesY, IResampler sampler)
             where TPixel : struct, IPixel<TPixel>
-        => source.ApplyProcessor(new SkewProcessor<TPixel>(degreesX, degreesY, sampler, source.Bounds().Size));
+        => source.ApplyProcessor(new SkewProcessor<TPixel>(degreesX, degreesY, sampler, source.GetCurrentSize()));
     }
 }

src/ImageSharp/Processing/Transforms/Transform.cs

@@ -35,7 +35,7 @@ namespace SixLabors.ImageSharp
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         public static IImageProcessingContext<TPixel> Transform<TPixel>(this IImageProcessingContext<TPixel> source, Matrix3x2 matrix, IResampler sampler)
             where TPixel : struct, IPixel<TPixel>
-            => Transform(source, matrix, sampler, source.Bounds());
+            => source.ApplyProcessor(new AffineTransformProcessor<TPixel>(matrix, sampler, source.GetCurrentSize()));
 
         /// <summary>
         /// Transforms an image by the given matrix using the specified sampling algorithm
@@ -103,7 +103,7 @@ namespace SixLabors.ImageSharp
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         internal static IImageProcessingContext<TPixel> Transform<TPixel>(this IImageProcessingContext<TPixel> source, Matrix4x4 matrix, IResampler sampler)
             where TPixel : struct, IPixel<TPixel>
-            => Transform(source, matrix, sampler, source.Bounds());
+            => source.ApplyProcessor(new ProjectiveTransformProcessor<TPixel>(matrix, sampler, source.GetCurrentSize()));
 
         /// <summary>
         /// Applies a projective transform to the image by the given matrix using the specified sampling algorithm.

tests/ImageSharp.Tests/FakeImageOperationsProvider.cs

@@ -61,9 +61,9 @@ namespace SixLabors.ImageSharp.Tests
                 return this.Source;
             }
 
-            public Rectangle Bounds()
+            public Size GetCurrentSize()
             {
-                return this.Source.Bounds();
+                return this.Source.Size();
             }
 
             public IImageProcessingContext<TPixel> ApplyProcessor(IImageProcessor<TPixel> processor, Rectangle rectangle)

tests/ImageSharp.Tests/Image/ImageProcessingContextTests.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.Tests
     public class ImageProcessingContextTests
     {
         [Fact]
-        public void MutatedBoundsAreAccuratePerOperation()
+        public void MutatedSizeIsAccuratePerOperation()
         {
             var x500 = new Size(500, 500);
             var x400 = new Size(400, 400);
@@ -19,16 +19,16 @@ namespace SixLabors.ImageSharp.Tests
             using (var image = new Image<Rgba32>(500, 500))
             {
                 image.Mutate(x =>
-                    x.AssertBounds(x500)
-                        .Resize(x400).AssertBounds(x400)
-                        .Resize(x300).AssertBounds(x300)
-                        .Resize(x200).AssertBounds(x200)
-                        .Resize(x100).AssertBounds(x100));
+                    x.AssertSize(x500)
+                        .Resize(x400).AssertSize(x400)
+                        .Resize(x300).AssertSize(x300)
+                        .Resize(x200).AssertSize(x200)
+                        .Resize(x100).AssertSize(x100));
             }
         }
 
         [Fact]
-        public void ClonedBoundsAreAccuratePerOperation()
+        public void ClonedSizeIsAccuratePerOperation()
         {
             var x500 = new Size(500, 500);
             var x400 = new Size(400, 400);
@@ -38,20 +38,20 @@ namespace SixLabors.ImageSharp.Tests
             using (var image = new Image<Rgba32>(500, 500))
             {
                 image.Clone(x =>
-                    x.AssertBounds(x500)
-                        .Resize(x400).AssertBounds(x400)
-                        .Resize(x300).AssertBounds(x300)
-                        .Resize(x200).AssertBounds(x200)
-                        .Resize(x100).AssertBounds(x100));
+                    x.AssertSize(x500)
+                        .Resize(x400).AssertSize(x400)
+                        .Resize(x300).AssertSize(x300)
+                        .Resize(x200).AssertSize(x200)
+                        .Resize(x100).AssertSize(x100));
             }
         }
     }
 
-    public static class BoundsAssertationExtensions
+    public static class SizeAssertationExtensions
     {
-        public static IImageProcessingContext<Rgba32> AssertBounds(this IImageProcessingContext<Rgba32> context, Size size)
+        public static IImageProcessingContext<Rgba32> AssertSize(this IImageProcessingContext<Rgba32> context, Size size)
         {
-            Assert.Equal(size, context.Bounds().Size);
+            Assert.Equal(size, context.GetCurrentSize());
             return context;
         }
     }