Polaroid

tests/ImageSharp.Tests/Processing/ColorMatrix/PolaroidTest.cs

@@ -0,0 +1,46 @@
+// <copyright file="PolaroidTest.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
+namespace ImageSharp.Tests.Processing.ColorMatrix
+{
+    using ImageSharp.PixelFormats;
+
+    using Xunit;
+
+    public class PolaroidTest : FileTestBase
+    {
+        [Theory]
+        [WithFileCollection(nameof(AllBmpFiles), StandardPixelTypes)]
+        public void ImageShouldApplyPolaroidFilter<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage())
+            {
+                image.Polaroid()
+                    .DebugSave(provider, null, Extensions.Bmp);
+            }
+        }
+
+        [Theory]
+        [WithFileCollection(nameof(AllBmpFiles), StandardPixelTypes)]
+        public void ImageShouldApplyPolaroidFilterInBox<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> source = provider.GetImage())
+            using (var image = new Image<TPixel>(source))
+            {
+                var bounds = new Rectangle(10, 10, image.Width / 2, image.Height / 2);
+
+                image.Polaroid(bounds)
+                    .DebugSave(provider, null, Extensions.Bmp);
+
+                // Draw identical shapes over the bounded and compare to ensure changes are constrained.
+                image.Fill(NamedColors<TPixel>.HotPink, bounds);
+                source.Fill(NamedColors<TPixel>.HotPink, bounds);
+                ImageComparer.CheckSimilarity(image, source);
+            }
+        }
+    }
+}

tests/ImageSharp.Tests/Processors/Filters/PolaroidTest.cs

@@ -1,47 +0,0 @@
-// <copyright file="PolaroidTest.cs" company="James Jackson-South">
-// Copyright (c) James Jackson-South and contributors.
-// Licensed under the Apache License, Version 2.0.
-// </copyright>
-
-namespace ImageSharp.Tests
-{
-    using System.IO;
-
-    using ImageSharp.PixelFormats;
-
-    using Xunit;
-
-    public class PolaroidTest : FileTestBase
-    {
-        [Fact]
-        public void ImageShouldApplyPolaroidFilter()
-        {
-            string path = this.CreateOutputDirectory("Polaroid");
-
-            foreach (TestFile file in Files)
-            {
-                using (Image<Rgba32> image = file.CreateImage())
-                using (FileStream output = File.OpenWrite($"{path}/{file.FileName}"))
-                {
-                    image.Polaroid().Save(output);
-                }
-            }
-        }
-
-        [Fact]
-        public void ImageShouldApplyPolaroidFilterInBox()
-        {
-            string path = this.CreateOutputDirectory("Polaroid");
-
-            foreach (TestFile file in Files)
-            {
-                string filename = file.GetFileName("InBox");
-                using (Image<Rgba32> image = file.CreateImage())
-                using (FileStream output = File.OpenWrite($"{path}/{filename}"))
-                {
-                    image.Polaroid(new Rectangle(10, 10, image.Width / 2, image.Height / 2)).Save(output);
-                }
-            }
-        }
-    }
-}