From 34fd856b4f120401e9b54d0e97e2b12a7ceac1bc Mon Sep 17 00:00:00 2001
From: Ronny Valentin Vindenes <ronny.vindenes@bouvet.no>
Date: Tue, 22 Feb 2022 12:31:32 +0100
Subject: [PATCH] fix: avoid crash when setting useCanvas to false

---
 src/tiledimage.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tiledimage.js b/src/tiledimage.js
index 76f3eead..80204328 100644
--- a/src/tiledimage.js
+++ b/src/tiledimage.js
@@ -2055,7 +2055,7 @@ function drawTiles( tiledImage, lastDrawn ) {
         imageZoom > tiledImage.smoothTileEdgesMinZoom &&
         !tiledImage.iOSDevice &&
         tiledImage.getRotation(true) % 360 === 0 && // TODO: support tile edge smoothing with tiled image rotation.
-        $.supportsCanvas) {
+        $.supportsCanvas && tiledImage.viewer.useCanvas) {
         // When zoomed in a lot (>100%) the tile edges are visible.
         // So we have to composite them at ~100% and scale them up together.
         // Note: Disabled on iOS devices per default as it causes a native crash