From 9bcb02db5b2558e7ad1fa8a61b98620a924429df Mon Sep 17 00:00:00 2001
From: John Lewin <lewin76@gmail.com>
Date: Thu, 21 Jun 2018 21:52:01 -0700
Subject: [PATCH] Create content and library thumbnails on raytrace success

---
 Library/ContentProviders/MeshContentProvider.cs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/Library/ContentProviders/MeshContentProvider.cs b/Library/ContentProviders/MeshContentProvider.cs
index a30d6612c..716197578 100644
--- a/Library/ContentProviders/MeshContentProvider.cs
+++ b/Library/ContentProviders/MeshContentProvider.cs
@@ -127,7 +127,21 @@ namespace MatterHackers.MatterControl
 
 			string thumbnailId = libraryItem.ID;
 
-			return GetThumbnail(object3D, thumbnailId, width, height);
+			var thumbnail = GetThumbnail(object3D, thumbnailId, width, height);
+			if (thumbnail != null)
+			{
+				// Cache content thumbnail
+				AggContext.ImageIO.SaveImageData(
+					ApplicationController.Instance.Thumbnails.CachePath(object3D.MeshRenderId().ToString(), width, height),
+					thumbnail);
+
+				// Cache library thumbnail
+				AggContext.ImageIO.SaveImageData(
+					ApplicationController.Instance.Thumbnails.CachePath(libraryItem, width, height),
+					thumbnail);
+			}
+
+			return thumbnail ?? DefaultImage;
 		}
 
 		// Limit to private scope until need returns