[Bf-blender-cvs] [ff27b68f41c] master: Fix T101295: Allow Large Windows Thumbnails

[Harley Acheson]

Commit: ff27b68f41ce511e162d6e561103c522d9507a5f
Author: Harley Acheson
Date:   Fri Sep 23 14:49:36 2022 -0700
Branches: master
https://developer.blender.org/rBff27b68f41ce511e162d6e561103c522d9507a5f

Fix T101295: Allow Large Windows Thumbnails

Allow our Windows Thumbnail Handler to supply thumbnails up to the
maximum 256x256 size.

Differential Revision: https://developer.blender.org/D16051

Reviewed by Ray Molenkamp

===================================================================

M	source/blender/blendthumb/src/blendthumb_win32.cc

===================================================================

diff --git a/source/blender/blendthumb/src/blendthumb_win32.cc b/source/blender/blendthumb/src/blendthumb_win32.cc
index 287710934e2..2acc8f20a12 100644
--- a/source/blender/blendthumb/src/blendthumb_win32.cc
+++ b/source/blender/blendthumb/src/blendthumb_win32.cc
@@ -171,8 +171,8 @@ IFACEMETHODIMP CBlendThumb::GetThumbnail(UINT cx, HBITMAP *phbmp, WTS_ALPHATYPE
   }
   *pdwAlpha = WTSAT_ARGB;
 
-  /* Scale down the thumbnail if required. */
-  if ((unsigned)thumb.width > cx || (unsigned)thumb.height > cx) {
+  /* Scale up the thumbnail if required. */
+  if ((unsigned)thumb.width < cx && (unsigned)thumb.height < cx) {
     float scale = 1.0f / (std::max(thumb.width, thumb.height) / (float)cx);
     LONG NewWidth = (LONG)(thumb.width * scale);
     LONG NewHeight = (LONG)(thumb.height * scale);