Inline methods for perf

Former-commit-id: e899dbeb1b67c44cb17cc1e73aca7241a19f1555
Former-commit-id: b0a8ab76cc5caa54b8c9646ac6999b3d1b26dd82
Former-commit-id: eb027298759c1c3be00ce2820ccbf5191a393883

src/ImageProcessor/Filters/Brightness.cs

@@ -50,28 +50,15 @@ namespace ImageProcessor.Filters
                         {
                             for (int x = startX; x < endX; x++)
                             {
-                                target[x, y] = AdjustBrightness(source[x, y], brightness);
+                                Color color = Color.Expand(source[x, y]);
+
+                                Vector3 vector3 = color.ToVector3();
+                                vector3 += new Vector3(brightness);
+
+                                target[x, y] = Color.Compress(new Color(vector3, color.A));
                             }
                         }
                     });
         }
-
-        /// <summary>
-        /// Returns a <see cref="Color"/> with the brightness adjusted.
-        /// </summary>
-        /// <param name="color">The source color.</param>
-        /// <param name="brightness">The brightness adjustment factor.</param>
-        /// <returns>
-        /// The <see cref="Color"/>.
-        /// </returns>
-        private static Color AdjustBrightness(Color color, float brightness)
-        {
-            color = Color.Expand(color);
-
-            Vector3 vector3 = color.ToVector3();
-            vector3 += new Vector3(brightness, brightness, brightness);
-
-            return Color.Compress(new Color(vector3, color.A));
-        }
     }
 }

src/ImageProcessor/Filters/Contrast.cs

@@ -49,38 +49,25 @@ namespace ImageProcessor.Filters
                         {
                             for (int x = startX; x < endX; x++)
                             {
-                                target[x, y] = AdjustContrast(source[x, y], contrast);
-                            }
-                        }
-                    });
-        }
+                                Color color = Color.Expand(source[x, y]);
 
-        /// <summary>
-        /// Returns a <see cref="Color"/> with the contrast adjusted.
-        /// </summary>
-        /// <param name="color">The source color.</param>
-        /// <param name="contrast">The contrast adjustment factor.</param>
-        /// <returns>
-        /// The <see cref="Color"/>.
-        /// </returns>
-        private static Color AdjustContrast(Color color, float contrast)
-        {
-            color = Color.Expand(color);
-
-            // Seems to be faster than Vector3.
-            color.R -= 0.5f;
-            color.R *= contrast;
-            color.R += 0.5f;
+                                // Seems to be faster than Vector3.
+                                color.R -= 0.5f;
+                                color.R *= contrast;
+                                color.R += 0.5f;
 
-            color.G -= 0.5f;
-            color.G *= contrast;
-            color.G += 0.5f;
+                                color.G -= 0.5f;
+                                color.G *= contrast;
+                                color.G += 0.5f;
 
-            color.B -= 0.5f;
-            color.B *= contrast;
-            color.B += 0.5f;
+                                color.B -= 0.5f;
+                                color.B *= contrast;
+                                color.B += 0.5f;
 
-            return Color.Compress(color);
+                                target[x, y] = Color.Compress(color);
+                            }
+                        }
+                    });
         }
     }
 }

src/ImageProcessor/Samplers/EntropyCrop.cs

@@ -16,6 +16,9 @@ namespace ImageProcessor.Samplers
     /// </summary>
     public class EntropyCrop : ParallelImageProcessor
     {
+        /// <summary>
+        /// The rectangle for cropping
+        /// </summary>
         private Rectangle cropRectangle;
 
         /// <summary>

tests/ImageProcessor.Tests/Processors/Filters/FilterTests.cs

@@ -3,7 +3,6 @@ namespace ImageProcessor.Tests
 {
     using System.Diagnostics;
     using System.IO;
-    using System.Numerics;
 
     using ImageProcessor.Filters;