From 7a9101a4eeab3dfd64bcd35ff18129d3719cb854 Mon Sep 17 00:00:00 2001
From: Igor Zinken <igor.zinken@igorski.nl>
Date: Fri, 21 Jan 2022 07:36:30 +0100
Subject: [PATCH] Only generate snapshot once in image export window

---
 src/components/file-menu/export-image/export-image.vue | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/components/file-menu/export-image/export-image.vue b/src/components/file-menu/export-image/export-image.vue
index 6e8b1e4..57557e2 100644
--- a/src/components/file-menu/export-image/export-image.vue
+++ b/src/components/file-menu/export-image/export-image.vue
@@ -207,6 +207,7 @@ export default {
     beforeDestroy() {
         this.base64preview = null;
         this.snapshots = null;
+        this.snapshot = null;
     },
     methods: {
         ...mapMutations([
@@ -250,7 +251,10 @@ export default {
                 }
                 snapshotCvs = tilesToSingle( this.snapshots, width, height, parseFloat( this.sheetCols || "4" ));
             } else {
-                snapshotCvs = await createDocumentSnapshot( this.activeDocument );
+                if ( !this.snapshot ) {
+                    this.snapshot = await createDocumentSnapshot( this.activeDocument );
+                }
+                snapshotCvs = this.snapshot;
             }
             this.width  = snapshotCvs.width;
             this.height = snapshotCvs.height;