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function ok(expect, msg) {
postMessage({ type: "status", status: !!expect, msg });
}
onmessage = function (event) {
ok(!!event.data.bitmap1, "Get the 1st ImageBitmap from the main script.");
ok(!!event.data.bitmap2, "Get the 2nd ImageBitmap from the main script.");
ok(!!event.data.bitmap3, "Get the 3rd ImageBitmap from the main script.");
// send the first original ImageBitmap back to the main-thread
postMessage({ type: "bitmap1", bitmap: event.data.bitmap1 });
// create a new ImageBitmap from the 2nd original ImageBitmap
// and then send the newly created ImageBitmap back to the main-thread
var promise = createImageBitmap(event.data.bitmap2);
promise.then(
function (bitmap) {
ok(
true,
"Successfully create a new ImageBitmap from the 2nd original bitmap in worker."
);
// send the newly created ImageBitmap back to the main-thread
postMessage({ type: "bitmap2", bitmap });
// finish the test
postMessage({ type: "finish" });
},
function () {
ok(
false,
"Cannot create a new bitmap from the original bitmap in worker."
);
}
);
// send the third original ImageBitmap back to the main-thread
postMessage({ type: "bitmap3", bitmap: event.data.bitmap3 });
};
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