Release canvas memory when no longer needed

2022-07-08 09:47:25 +02:00
parent 60f09fcc45
commit 22dba410ad
2 changed files with 16 additions and 2 deletions
@@ -2,7 +2,7 @@
 * @module ol/VectorRenderTile
 */
 import Tile from './Tile.js';
-import {createCanvasContext2D} from './dom.js';
+import {createCanvasContext2D, releaseCanvas} from './dom.js';
 import {getUid} from './util.js';

 /**
@@ -154,7 +154,9 @@ class VectorRenderTile extends Tile {
   */
  release() {
    for (const key in this.context_) {
-      canvasPool.push(this.context_[key].canvas);
+      const context = this.context_[key];
+      releaseCanvas(context);
+      canvasPool.push(context.canvas);
      delete this.context_[key];
    }
    super.release();