From a6e621b562e755e914dd02e83d5d03cd882a0d6a Mon Sep 17 00:00:00 2001
From: Tom <tmpearce@gmail.com>
Date: Mon, 6 Mar 2023 14:29:39 -0500
Subject: [PATCH] fix cropping when viewer is rotated

---
 test/demo/threejsdrawer.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/demo/threejsdrawer.js b/test/demo/threejsdrawer.js
index feaf0a91..32719110 100644
--- a/test/demo/threejsdrawer.js
+++ b/test/demo/threejsdrawer.js
@@ -484,7 +484,8 @@ export class ThreeJSDrawer extends OpenSeadragon.DrawerBase{
         if(item._croppingPolygons){
             let polygons = item._croppingPolygons.map(function (polygon) {
                 return polygon.map(function (coord) {
-                    let point = item.imageToViewportCoordinates(coord.x, coord.y, true);
+                    let point = item.imageToViewportCoordinates(coord.x, coord.y, true)
+                        .rotate(_this.viewer.viewport.getRotation(true), _this.viewer.viewport.getCenter(true));
                     let clipPoint = _this.viewportCoordToDrawerCoord(point);
                     return clipPoint;
                 });