add willReadFrequently on imread in js

2022-10-08 12:05:33 +03:00
parent a3ebafbdeb
commit 68bd156a71
1 changed files with 1 additions and 1 deletions
@@ -55,7 +55,7 @@ Module['imread'] = function(imageSource) {
        canvas = document.createElement('canvas');
        canvas.width = img.width;
        canvas.height = img.height;
-        ctx = canvas.getContext('2d');
+        ctx = canvas.getContext('2d', { willReadFrequently: true });
        ctx.drawImage(img, 0, 0, img.width, img.height);
    } else if (img instanceof HTMLCanvasElement) {
        canvas = img;