add opencv.js imread function can use OffscreenCanvas

2 years ago · 4e050e85ad
parent 3ac06bf063
commit 4e050e85ad
1 changed files with 1 additions and 1 deletions
--- a/modules/js/src/helpers.js
+++ b/modules/js/src/helpers.js
@ -57,7 +57,7 @@ Module['imread'] = function(imageSource) {
        canvas.height = img.height;
        ctx = canvas.getContext('2d', { willReadFrequently: true });
        ctx.drawImage(img, 0, 0, img.width, img.height);
-    } else if (img instanceof HTMLCanvasElement) {
+    } else if (img instanceof HTMLCanvasElement || img instanceof OffscreenCanvas) {
        canvas = img;
        ctx = canvas.getContext('2d');
    } else {