From d98b7341e8445ba92a63e65e69b058d379cfbd94 Mon Sep 17 00:00:00 2001
From: miku-666 <74728189+NessieHax@users.noreply.github.com>
Date: Sat, 20 Jan 2024 17:07:47 +0100
Subject: [PATCH] SkinRenderer - Add GetThumbnail function

---
 .../Skins-And-Textures/CustomModelEditor.cs    |  6 ++----
 PCK-Studio/Rendering/SkinRenderer.cs           | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/PCK-Studio/Forms/Skins-And-Textures/CustomModelEditor.cs b/PCK-Studio/Forms/Skins-And-Textures/CustomModelEditor.cs
index 68ef0909..6414cb6d 100644
--- a/PCK-Studio/Forms/Skins-And-Textures/CustomModelEditor.cs
+++ b/PCK-Studio/Forms/Skins-And-Textures/CustomModelEditor.cs
@@ -229,16 +229,14 @@ namespace PckStudio.Forms
             }
         }
 
-        // Creates Model Data and Finalizes
         private void buttonDone_Click(object sender, EventArgs e)
         {
             foreach (var part in renderer3D1.ModelData)
             {
                 _file.Properties.Add("BOX", part);
             }
-            var img = new Bitmap(renderer3D1.Size.Width, renderer3D1.Size.Height);
-            renderer3D1.DrawToBitmap(img, renderer3D1.Bounds);
-            _previewImage = img;
+            _previewImage = renderer3D1.GetThumbnail();
+
             DialogResult = DialogResult.OK;
         }
 
diff --git a/PCK-Studio/Rendering/SkinRenderer.cs b/PCK-Studio/Rendering/SkinRenderer.cs
index 3379010e..8482aa64 100644
--- a/PCK-Studio/Rendering/SkinRenderer.cs
+++ b/PCK-Studio/Rendering/SkinRenderer.cs
@@ -30,6 +30,7 @@ using PckStudio.Properties;
 using PckStudio.Forms.Editor;
 using System.Collections.ObjectModel;
 using System.Collections.Specialized;
+using System.Drawing.Imaging;
 
 namespace PckStudio.Rendering
 {
@@ -591,5 +592,22 @@ namespace PckStudio.Rendering
             OnANIMUpdate();
             Refresh();
         }
+
+        /// <summary>
+        /// Captures the currently displayed frame
+        /// </summary>
+        /// <returns>Thumbnail of the cameras current view space</returns>
+        public Image GetThumbnail()
+        {
+            Bitmap bmp = new Bitmap(Width, Height);
+            BitmapData data = bmp.LockBits(ClientRectangle, ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
+
+            MakeCurrent();
+            GL.Finish();
+            GL.ReadPixels(0, 0, Width, Height, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
+            bmp.UnlockBits(data);
+            bmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
+            return bmp;
+        }
     }
 }
\ No newline at end of file