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function ok(expect, msg) {
postMessage({"type": "status", status: !!expect, msg: 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":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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