Texture2d.SaveAsPng() has a known memory leak,replace this function b…

SpineViewerWPF/PublicFunction/Common.cs

@@ -10,7 +10,9 @@
 using System;
 using System.Collections.Generic;
 using System.Drawing;
+using System.Drawing.Imaging;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Threading;
 using System.Windows;
 using System.Windows.Media.Imaging;
@@ -142,7 +144,7 @@ public static void RecodingEnd(float AnimationEnd)
                     for (int i = 0; i < App.globalValues.GifList.Count; i++)
                     {
                         MemoryStream ms = new MemoryStream();
-                        App.globalValues.GifList[i].SaveAsPng(ms, App.globalValues.GifList[i].Width, App.globalValues.GifList[i].Height);
+                        MySaveAsPng(App.globalValues.GifList[i], ms, App.globalValues.GifList[i].Width, App.globalValues.GifList[i].Height);
                         lms.Add(ms);
                         App.globalValues.GifList[i].Dispose();
                     }
@@ -347,7 +349,7 @@ public static void SaveToPng(Texture2D texture2D)
         {
             using (var fs = (FileStream)saveFileDialog.OpenFile())
             {
-                texture2D.SaveAsPng(fs, texture2D.Width, texture2D.Height);
+                MySaveAsPng(texture2D, fs, texture2D.Width, texture2D.Height);
             }
         }
 
@@ -384,7 +386,7 @@ public static void TakeRecodeScreenshot(GraphicsDevice _graphicsDevice)
             using (FileStream fs = new FileStream($"{exportDir}{fileName}_{App.recordImageCount.ToString().PadLeft(7,'0')}.png"
                 ,FileMode.Create))
             {
-                texture.SaveAsPng(fs, _graphicsDevice.PresentationParameters.BackBufferWidth
+                MySaveAsPng(texture, fs, _graphicsDevice.PresentationParameters.BackBufferWidth
                     , _graphicsDevice.PresentationParameters.BackBufferHeight);
             }
             App.recordImageCount++;
@@ -445,6 +447,32 @@ public static void SetInitLocation(float height)
         }
     }
 
+
+    public static void MySaveAsPng(Texture2D texture, Stream ms, int width, int height)
+    {
+        ImageFormat imageFormat = ImageFormat.Png;
+        using (Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb))
+        {
+            byte blue;
+            IntPtr safePtr;
+            BitmapData bitmapData;
+            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(0, 0, width, height);
+            byte[] textureData = new byte[4 * width * height];
+
+            texture.GetData<byte>(textureData);
+            for (int i = 0; i < textureData.Length; i += 4)
+            {
+                blue = textureData[i];
+                textureData[i] = textureData[i + 2];
+                textureData[i + 2] = blue;
+            }
+            bitmapData = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
+            safePtr = bitmapData.Scan0;
+            Marshal.Copy(textureData, 0, safePtr, textureData.Length);
+            bitmap.UnlockBits(bitmapData);
+            bitmap.Save(ms, imageFormat);
+        }
+    }
 }