Removed luma/chroma quality from the encoder

src/ImageSharp/Formats/Jpeg/IJpegEncoderOptions.cs

@@ -9,18 +9,11 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
     internal interface IJpegEncoderOptions
     {
         /// <summary>
-        /// Gets the quality, that will be used to encode the luminance data of the image.
-        /// Quality index must be between 0 and 100 (compression from max to min).
+        /// Gets or sets the quality, that will be used to encode the image. Quality
+        /// index must be between 0 and 100 (compression from max to min).
+        /// Defaults to <value>75</value>.
         /// </summary>
-        /// <value>The quality of the jpg image from 0 to 100.</value>
-        int? LuminanceQuality { get; }
-
-        /// <summary>
-        /// Gets the quality, that will be used to encode the chrominance data of the image.
-        /// Quality index must be between 0 and 100 (compression from max to min).
-        /// </summary>
-        /// <value>The quality of the jpg image from 0 to 100.</value>
-        int? ChrominanceQuality { get; }
+        public int? Quality { get; set; }
 
         /// <summary>
         /// Gets the subsample ration, that will be used to encode the image.

src/ImageSharp/Formats/Jpeg/JpegEncoder.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Six Labors.
 // Licensed under the Apache License, Version 2.0.
 
-using System;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
@@ -14,43 +13,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
     /// </summary>
     public sealed class JpegEncoder : IImageEncoder, IJpegEncoderOptions
     {
-        /// <summary>
-        /// Gets or sets the quality, that will be used to encode the image. Quality
-        /// index must be between 0 and 100 (compression from max to min).
-        /// Defaults to <value>75</value>.
-        /// </summary>
-        public int? Quality
-        {
-            [Obsolete("This accessor will soon be deprecated. Use LuminanceQuality and ChrominanceQuality getters instead.", error: false)]
-            get
-            {
-                const int defaultQuality = 75;
-
-                int lumaQuality = this.LuminanceQuality ?? defaultQuality;
-                int chromaQuality = this.LuminanceQuality ?? lumaQuality;
-                return (int)Math.Round((lumaQuality + chromaQuality) / 2f);
-            }
-
-            set
-            {
-                this.LuminanceQuality = value;
-                this.ChrominanceQuality = value;
-            }
-        }
-
-        /// <summary>
-        /// Gets or sets the quality, that will be used to encode luminance image data.
-        /// Quality index must be between 0 and 100 (compression from max to min).
-        /// Defaults to <value>75</value>.
-        /// </summary>
-        public int? LuminanceQuality { get; set; }
-
-        /// <summary>
-        /// Gets or sets the quality, that will be used to encode chrominance image data.
-        /// Quality index must be between 0 and 100 (compression from max to min).
-        /// Defaults to <value>75</value>.
-        /// </summary>
-        public int? ChrominanceQuality { get; set; }
+        /// <inheritdoc/>
+        public int? Quality { get; set; }
 
         /// <summary>
         /// Gets or sets the subsample ration, that will be used to encode the image.

src/ImageSharp/Formats/Jpeg/JpegEncoderCore.cs

@@ -64,8 +64,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
         /// <param name="options">The options</param>
         public JpegEncoderCore(IJpegEncoderOptions options)
         {
-            this.luminanceQuality = options.LuminanceQuality;
-            this.chrominanceQuality = options.ChrominanceQuality;
+            this.luminanceQuality = options.Quality;
+            this.chrominanceQuality = options.Quality;
             this.subsample = options.Subsample;
             this.colorType = options.ColorType;
         }