Adjust for layer canvas rotation

replace missed lines
openlayers · Dec 4, 2019 · 2790d50 · 2790d50
1 parent b4ae4ab
commit 2790d50
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/examples/layer-swipe.js b/examples/layer-swipe.js
@@ -34,7 +34,8 @@ const swipe = document.getElementById('swipe');
 
 aerial.on('prerender', function(event) {
   const ctx = event.context;
-  const width = ctx.canvas.width * (swipe.value / 100);
+  const mapSize = map.getSize();
+  const width = mapSize[0] * (swipe.value / 100);
   const tl = getRenderPixel(event, [width, 0]);
   const tr = getRenderPixel(event, [mapSize[0], 0]);
   const bl = getRenderPixel(event, [width, mapSize[1]]);