From ef5a0f0e57c146db7da703d926ecee7090555e5d Mon Sep 17 00:00:00 2001
From: miku-666 <74728189+NessieHax@users.noreply.github.com>
Date: Wed, 26 Nov 2025 06:51:14 +0100
Subject: [PATCH] Core(ImageExtensions) - Add 'GetImageData' & 'CreateMipMap'

---
 PCK-Studio/Controls/PckAssetBrowserEditor.cs | 13 +-------
 PckStudio.Core/Extensions/ImageExtensions.cs | 33 ++++++++++++++++++++
 2 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/PCK-Studio/Controls/PckAssetBrowserEditor.cs b/PCK-Studio/Controls/PckAssetBrowserEditor.cs
index 671edc65..47a51432 100644
--- a/PCK-Studio/Controls/PckAssetBrowserEditor.cs
+++ b/PCK-Studio/Controls/PckAssetBrowserEditor.cs
@@ -1514,18 +1514,7 @@ namespace PckStudio.Controls
                         PckAsset mipMappedAsset = new PckAsset(mippedPath, PckAssetType.TextureFile);
 
                         Image originalTexture = asset.GetTexture();
-                        int newWidth = Math.Max(originalTexture.Width / (int)Math.Pow(2, i - 1), 1);
-                        int newHeight = Math.Max(originalTexture.Height / (int)Math.Pow(2, i - 1), 1);
-
-                        Rectangle tileArea = new Rectangle(0, 0, newWidth, newHeight);
-                        Image mippedTexture = new Bitmap(newWidth, newHeight);
-                        using (Graphics gfx = Graphics.FromImage(mippedTexture))
-                        {
-                            gfx.SmoothingMode = SmoothingMode.None;
-                            gfx.InterpolationMode = InterpolationMode.NearestNeighbor;
-                            gfx.PixelOffsetMode = PixelOffsetMode.HighQuality;
-                            gfx.DrawImage(originalTexture, tileArea);
-                        }
+                        Image mippedTexture = originalTexture.CreateMipMap(i);
 
                         mipMappedAsset.SetTexture(mippedTexture);
 
diff --git a/PckStudio.Core/Extensions/ImageExtensions.cs b/PckStudio.Core/Extensions/ImageExtensions.cs
index 36563243..6f9549f4 100644
--- a/PckStudio.Core/Extensions/ImageExtensions.cs
+++ b/PckStudio.Core/Extensions/ImageExtensions.cs
@@ -22,6 +22,7 @@ using System.Diagnostics;
 using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
+using System.IO;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
@@ -49,6 +50,29 @@ namespace PckStudio.Core.Extensions
             return result;
         }
 
+        public static byte[] GetImageData(this Image source, ImageFormat format = default)
+        {
+            format ??= ImageFormat.Png;
+            var stream = new MemoryStream();
+            source.Save(stream, format);
+            return stream.ToArray();
+        }
+
+        public static Image CreateMipMap(this Image image, int level)
+        {
+            int factor = (int)Math.Pow(2, level - 1);
+            int newWidth = Math.Max(image.Width / factor, 1);
+            int newHeight = Math.Max(image.Height / factor, 1);
+
+            Image mippedTexture = new Bitmap(newWidth, newHeight);
+            using (Graphics gfx = Graphics.FromImage(mippedTexture))
+            {
+                gfx.ApplyConfig(GraphicsConfig.PixelPerfect());
+                gfx.DrawImage(image, new Rectangle(0, 0, newWidth, newHeight));
+            }
+            return mippedTexture;
+        }
+
         /// <summary>
         /// Creates an IEnumerable by reading in horizontal order
         /// </summary>
@@ -92,6 +116,15 @@ namespace PckStudio.Core.Extensions
             yield break;
         }
 
+        public static Image Combine(this Image first, Image second, ImageLayoutDirection layoutDirection)
+        {
+            bool horizontal = layoutDirection == ImageLayoutDirection.Horizontal;
+            int imgCount = 2;
+            int rows = horizontal ? imgCount : 1;
+            int columns = horizontal ? 1 : imgCount;
+            return new Image[] {first, second }.Combine(rows, columns, layoutDirection);
+        }
+
         public static Image Combine(this IEnumerable<Image> sources, ImageLayoutDirection layoutDirection)
         {
             bool horizontal = layoutDirection == ImageLayoutDirection.Horizontal;