From 62497fa18886e992897f6b510b09959edbd94a1f Mon Sep 17 00:00:00 2001
From: Darth Affe <darthaffe@wyrez.org>
Date: Wed, 24 Feb 2021 13:05:50 +0100
Subject: [PATCH] Updated to use a simpler texture

---
 src/Artemis.Core/Artemis.Core.csproj       |  3 +
 src/Artemis.Core/RGB.NET/ArtemisSampler.cs | 32 ----------
 src/Artemis.Core/RGB.NET/SKTexture.cs      | 72 ++--------------------
 3 files changed, 9 insertions(+), 98 deletions(-)
 delete mode 100644 src/Artemis.Core/RGB.NET/ArtemisSampler.cs

diff --git a/src/Artemis.Core/Artemis.Core.csproj b/src/Artemis.Core/Artemis.Core.csproj
index cb65d532a..bcbc79521 100644
--- a/src/Artemis.Core/Artemis.Core.csproj
+++ b/src/Artemis.Core/Artemis.Core.csproj
@@ -70,6 +70,9 @@
     <Reference Include="RGB.NET.Layout">
       <HintPath>..\..\..\RGB.NET\bin\net5.0\RGB.NET.Layout.dll</HintPath>
     </Reference>
+    <Reference Include="RGB.NET.Presets">
+      <HintPath>..\..\..\RGB.NET\bin\net5.0\RGB.NET.Presets.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <None Update="Resources\intro-profile.json">
diff --git a/src/Artemis.Core/RGB.NET/ArtemisSampler.cs b/src/Artemis.Core/RGB.NET/ArtemisSampler.cs
deleted file mode 100644
index 307dcc252..000000000
--- a/src/Artemis.Core/RGB.NET/ArtemisSampler.cs
+++ /dev/null
@@ -1,32 +0,0 @@
-using System;
-using RGB.NET.Core;
-
-namespace Artemis.Core
-{
-    public class ArtemisSampler : ISampler<byte>
-    {
-        #region Methods
-
-        /// <inheritdoc />
-        public Color SampleColor(SamplerInfo<byte> info)
-        {
-            int count = info.Width * info.Height;
-            if (count == 0) return Color.Transparent;
-
-            ReadOnlySpan<byte> data = info.Data;
-
-            uint r = 0, g = 0, b = 0;
-            for (int i = 0; i < data.Length; i += 4)
-            {
-                r += data[i];
-                g += data[i + 1];
-                b += data[i + 2];
-            }
-
-            float divisor = count * byte.MaxValue;
-            return new Color(r / divisor, g / divisor, b / divisor);
-        }
-
-        #endregion
-    }
-}
diff --git a/src/Artemis.Core/RGB.NET/SKTexture.cs b/src/Artemis.Core/RGB.NET/SKTexture.cs
index 3be5905a2..367faab76 100644
--- a/src/Artemis.Core/RGB.NET/SKTexture.cs
+++ b/src/Artemis.Core/RGB.NET/SKTexture.cs
@@ -1,95 +1,35 @@
 using System;
-using System.Buffers;
 using RGB.NET.Core;
+using RGB.NET.Presets.Textures.Sampler;
 using SkiaSharp;
 
 namespace Artemis.Core
 {
-    public sealed class SKTexture : ITexture
+    public sealed class SKTexture : PixelTexture<byte>
     {
-        #region Constants
-
-        private const int STACK_ALLOC_LIMIT = 1024;
-
-        #endregion
-
         #region Properties & Fields
 
         private readonly SKBitmap _bitmap;
-        private readonly int _stride;
-
         public SKBitmap Bitmap => _bitmap;
 
-        public Size Size { get; }
-
-        public ISampler<byte> Sampler { get; set; } = new ArtemisSampler();
-
-        public Color this[in Point point]
-        {
-            get
-            {
-                int x = (Size.Width * point.X.Clamp(0, 1)).RoundToInt();
-                int y = (Size.Height * point.Y.Clamp(0, 1)).RoundToInt();
-                return _bitmap.GetPixel(x, y).ToRgbColor();
-            }
-        }
-
-        public Color this[in Rectangle rectangle]
-        {
-            get
-            {
-                int x = (Size.Width * rectangle.Location.X.Clamp(0, 1)).RoundToInt();
-                int y = (Size.Height * rectangle.Location.Y.Clamp(0, 1)).RoundToInt();
-                int width = (Size.Width * rectangle.Size.Width.Clamp(0, 1)).RoundToInt();
-                int height = (Size.Height * rectangle.Size.Height.Clamp(0, 1)).RoundToInt();
-
-                int bufferSize = width * height * 4;
-                if (bufferSize <= STACK_ALLOC_LIMIT)
-                {
-                    Span<byte> buffer = stackalloc byte[bufferSize];
-                    GetRegionData(x, y, width, height, buffer);
-                    return Sampler.SampleColor(new SamplerInfo<byte>(width, height, buffer));
-                }
-                else
-                {
-                    byte[] rent = ArrayPool<byte>.Shared.Rent(bufferSize);
-                    Span<byte> buffer = new Span<byte>(rent).Slice(0, bufferSize);
-                    GetRegionData(x, y, width, height, buffer);
-                    Color color = Sampler.SampleColor(new SamplerInfo<byte>(width, height, buffer));
-                    ArrayPool<byte>.Shared.Return(rent);
-
-                    return color;
-                }
-            }
-        }
+        protected override ReadOnlySpan<byte> Data => _bitmap.GetPixelSpan();
 
         #endregion
 
         #region Constructors
 
         public SKTexture(SKBitmap bitmap)
+            : base(bitmap.Width, bitmap.Height, 4, new AverageByteSampler())
         {
             this._bitmap = bitmap;
-
-            Size = new Size(bitmap.Width, bitmap.Height);
-            _stride = bitmap.Width;
         }
 
         #endregion
 
         #region Methods
 
-        private void GetRegionData(int x, int y, int width, int height, in Span<byte> buffer)
-        {
-            int width4 = width * 4;
-            ReadOnlySpan<byte> data = _bitmap.GetPixelSpan();
-            for (int i = 0; i < height; i++)
-            {
-                ReadOnlySpan<byte> dataSlice = data.Slice((((y + i) * _stride) + x) * 4, width4);
-                Span<byte> destination = buffer.Slice(i * width4, width4);
-                dataSlice.CopyTo(destination);
-            }
-        }
+        /// <inheritdoc />
+        protected override Color GetColor(ReadOnlySpan<byte> pixel) => new(pixel[0], pixel[1], pixel[2]);
 
         #endregion
     }