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