From 5b199b28c3c58d2e8f8461a22643382aca509344 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 24 May 2023 22:41:51 +0530
Subject: [PATCH] Fix a panic when failing to load some images in a diff

---
 tools/tui/graphics/collection.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/tui/graphics/collection.go b/tools/tui/graphics/collection.go
index 4fa41b0c6..2a54cc269 100644
--- a/tools/tui/graphics/collection.go
+++ b/tools/tui/graphics/collection.go
@@ -138,7 +138,9 @@ func (self *ImageCollection) ResizeForPageSize(width, height int) {
 	ctx.Parallel(0, len(keys), func(nums <-chan int) {
 		for i := range nums {
 			img := self.images[keys[i]]
-			img.ResizeForPageSize(width, height)
+			if img.src.loaded && img.err == nil {
+				img.ResizeForPageSize(width, height)
+			}
 		}
 	})
 }
@@ -298,6 +300,7 @@ func (self *ImageCollection) LoadAll() {
 				if img.err == nil {
 					img.src.size.Width, img.src.size.Height = img.src.data.Width, img.src.data.Height
 				}
+				img.src.loaded = true
 			}
 		}
 	})