Add StackBlur

Author: Awbugl

Andreal/Andreal.csproj

@@ -5,6 +5,7 @@
         <TargetFramework>net6.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
 
     <ItemGroup>

Andreal/UI/BackGround.cs

@@ -2,7 +2,6 @@
 using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
 using System.Drawing.Text;
-using System.Runtime.InteropServices;
 using Andreal.UI.Model;
 using Path = Andreal.Core.Path;
 
@@ -60,16 +59,9 @@ internal void Draw(params IGraphicsModel[] graphicsModelCollection)
         foreach (var i in graphicsModelCollection) i.Draw(GraphicsFromBackGround());
     }
 
-    [DllImport(@"Andreal\Other\StackBlurHost.dll", CallingConvention = CallingConvention.StdCall)]
-    private static extern void StackBlurHost(IntPtr imagePixelBuffer, int imageWidth, int imageHeight, int imageStride,
-                                             int roundSize);
-
-    internal BackGround BlurImage(int roundSize)
+    internal BackGround Blur(byte round)
     {
-        var bm = Bitmap.LockBits(new(0, 0, Bitmap.Width, Bitmap.Height), ImageLockMode.ReadWrite,
-                                 PixelFormat.Format32bppArgb);
-        StackBlurHost(bm.Scan0, bm.Width, bm.Height, bm.Stride, roundSize);
-        Bitmap.UnlockBits(bm);
+        StackBlur.StackBlurRGBA32(Bitmap, round);
         return this;
     }
 }

Andreal/UI/ImageGenerator/ArcBackgroundGenerator.cs

@@ -26,7 +26,7 @@ private async Task<BackGround> GenerateArcV1(Path path)
         using var song = await _info.GetSongImg();
         using var temp = song.Cut(new(0, 87, 512, 341));
         var background = new BackGround(temp, 1440, 960);
-        using var masktmp = background.BlurImage(20).Cut(new(50, 50, 1340, 860)).BlurImage(80);
+        using var masktmp = background.Blur(20).Cut(new(50, 50, 1340, 860)).Blur(80);
         background.FillColor(_info.MainColor);
         background.Draw(new ImageModel(Path.ArcaeaBg1Mask, 0, 0, 1440, 960), new ImageModel(masktmp, 50, 50, 1340, 860),
                         new ImageModel(Path.ArcaeaDivider, 100, 840, 1240),
@@ -52,14 +52,14 @@ private async Task<BackGround> GenerateArcV2(Path path)
     {
         using var song = await _info.GetSongImg();
         using var temp = song.Cut(new(0, 112, 512, 288));
-        var background = new BackGround(temp, 1920, 1080).BlurImage(60);
+        var background = new BackGround(temp, 1920, 1080).Blur(60);
         background.FillColor(_info.MainColor);
         background.Draw(new TextWithShadowModel("Play PTT", Font.Exo36, 123, 355),
                         new TextWithShadowModel("Pure", Font.Exo32, 127, 455),
                         new TextWithShadowModel("Far", Font.Exo32, 127, 525),
                         new TextWithShadowModel("Lost", Font.Exo32, 410, 525),
                         new TextWithShadowModel("Played at", Font.Exo32, 127, 595),
-                        new ImageModel(new BackGround(song.Cut(new(0, 19, 512, 48)), 1920, 180).BlurImage(20), 0, 740),
+                        new ImageModel(new BackGround(song.Cut(new(0, 19, 512, 48)), 1920, 180).Blur(20), 0, 740),
                         new LineModel(Color.White, 3, new(0, 740), new(1920, 740)),
                         new LineModel(Color.White, 3, new(0, 920), new(1920, 920)),
                         new LineModel(Color.White, 1, new(0, 705), new(1920, 705)),
@@ -85,7 +85,7 @@ private async Task<BackGround> GenerateArcV3(Path path)
     {
         using var song = await _info.GetSongImg();
         using var temp = song.Cut(new(78, 0, 354, 512));
-        var background = new BackGround(temp, 1000, 1444).BlurImage(10);
+        var background = new BackGround(temp, 1000, 1444).Blur(10);
         background.FillColor(Color.White, 100);
         background.Draw(new ImageModel(Path.ArcaeaBg3Mask((int)_info.PartnerSide), 0, 0, 1000),
                         new TextOnlyModel(_info.GetSongName(30), Font.Beatrice36, Color.Black, 500, 860,

Andreal/UI/ImageGenerator/PjskCurrentEventImageGenerator.cs

@@ -74,7 +74,7 @@ private BackGround GeneratePjskEvent(Path path)
         using var logo
             = WebHelper.GetImage($"https://assets.pjsek.ai/file/pjsekai-assets/ondemand/event/{_currentEvent.AssetbundleName}/logo/logo/logo.png");
 
-        var bg = bitmap.Cut(new(0, 0, 1000, 1000)).BlurImage(40);
+        var bg = bitmap.Cut(new(0, 0, 1000, 1000)).Blur(40);
         bg.FillColor(Color.Black, 80);
 
         bg.Draw(new ImageModel(logo, 200, 50, 600, 300),