From 7a5493cde88ce70fa6f20b2e70b0318be19c0769 Mon Sep 17 00:00:00 2001
From: John Lewin <lewin76@gmail.com>
Date: Wed, 2 Aug 2017 14:32:25 -0700
Subject: [PATCH] Fix thumbnail rendering/scaling bugs

---
 Library/Providers/LibraryProviderHelpers.cs | 9 ++-------
 PartPreviewWindow/SaveAsWindow.cs           | 3 ---
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/Library/Providers/LibraryProviderHelpers.cs b/Library/Providers/LibraryProviderHelpers.cs
index f7b352d1d..3feddf2ee 100644
--- a/Library/Providers/LibraryProviderHelpers.cs
+++ b/Library/Providers/LibraryProviderHelpers.cs
@@ -76,13 +76,8 @@ namespace MatterHackers.MatterControl.Library
 			bool resizeRequired = (resizeWidth) ? width != expectedSize.x : height != expectedSize.y;
 			if (resizeRequired)
 			{
-				double scaleFactor = (resizeWidth) ? expectedSize.x / width : expectedSize.y / width;
-
-				var scaledImageBuffer = new ImageBuffer((int)expectedSize.x, (int)expectedSize.y);
-				scaledImageBuffer.NewGraphics2D().RenderCentered(
-					imageBuffer, 
-					width * scaleFactor, 
-					height * scaleFactor);
+				var scaledImageBuffer = ImageBuffer.CreateScaledImage(imageBuffer, targetWidth, targetHeight);
+				scaledImageBuffer.SetRecieveBlender(new BlenderPreMultBGRA());
 
 				return scaledImageBuffer;
 			}
diff --git a/PartPreviewWindow/SaveAsWindow.cs b/PartPreviewWindow/SaveAsWindow.cs
index 705c5b446..7f7d0a332 100644
--- a/PartPreviewWindow/SaveAsWindow.cs
+++ b/PartPreviewWindow/SaveAsWindow.cs
@@ -107,9 +107,6 @@ namespace MatterHackers.MatterControl
 			};
 			libraryNavContext.ContainerChanged += (s, e) =>
 			{
-				/* Still Needed?
-				breadCrumbWidget.SetBreadCrumbs(e.ActiveContainer); */
-
 				saveAsButton.Enabled = libraryNavContext.ActiveContainer is ILibraryWritableContainer;
 			};