From 97d388be7ddf933d24d385e2e7a25ceeb0d35e53 Mon Sep 17 00:00:00 2001
From: Michael Gibson <michael.gibson@techcyte.com>
Date: Fri, 28 Feb 2025 11:30:30 -0700
Subject: [PATCH] Add loadTilesOnAnimationPath flag

---
 src/tiledimage.js | 7 ++++++-
 src/viewer.js     | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/tiledimage.js b/src/tiledimage.js
index 10055e0d..3d670062 100644
--- a/src/tiledimage.js
+++ b/src/tiledimage.js
@@ -176,6 +176,7 @@ $.TiledImage = function( options ) {
         wrapHorizontal:                    $.DEFAULT_SETTINGS.wrapHorizontal,
         wrapVertical:                      $.DEFAULT_SETTINGS.wrapVertical,
         immediateRender:                   $.DEFAULT_SETTINGS.immediateRender,
+        loadTilesOnAnimationPath:          $.DEFAULT_SETTINGS.loadTilesOnAnimationPath,
         blendTime:                         $.DEFAULT_SETTINGS.blendTime,
         alwaysBlend:                       $.DEFAULT_SETTINGS.alwaysBlend,
         minPixelRatio:                     $.DEFAULT_SETTINGS.minPixelRatio,
@@ -1354,7 +1355,11 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
         var highestLevel = levelsInterval.highestLevel; // the highest level we should draw at our current zoom
         var bestTiles = [];
         var drawArea = this.getDrawArea();
-        var loadArea = this.getLoadArea();
+        var loadArea = drawArea;
+
+        if (!this.loadTilesOnAnimationPath) {
+          loadArea = this.getLoadArea();
+        }
         var currentTime = $.now();
 
         // reset each tile's beingDrawn flag
diff --git a/src/viewer.js b/src/viewer.js
index 5d2d52bc..023da35b 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -1748,6 +1748,7 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
                     wrapHorizontal: _this.wrapHorizontal,
                     wrapVertical: _this.wrapVertical,
                     maxTilesPerFrame: _this.maxTilesPerFrame,
+                    loadTilesOnAnimationPath: _this.loadTilesOnAnimationPath,
                     immediateRender: _this.immediateRender,
                     blendTime: _this.blendTime,
                     alwaysBlend: _this.alwaysBlend,