On Thursday, March 12, 2020 at 11:35:30 AM UTC-6, Agniva De Sarker wrote:
>
> There is no base64 conversion now anywhere. If you read the code below,
> you'll see I use
>
> dst := js.Global().Get("Uint8Array").New(len(s.outBuf.Bytes()))
> n := js.CopyBytesToJS(dst, s.outBuf.Bytes())
> s.console.Call("log", "bytes copied:", strconv.Itoa(n))
> js.Global().Call("displayImage", dst)
>
> Essentially, I copy over the bytes to the array and pass the array over to
> JS land.
>
> And then displayImage does this:
>
> function displayImage(buf) {
> let blob = new Blob([buf], {'type': imageType});
> document.getElementById('targetImg').src = URL.createObjectURL(blob);
> }
>
I see. In your case, targetImg is an <img>, right? Do you know how I
could use this same technique with a <canvas>?
Thanks for the code. It's good to see that there's a way to skip base64
conversions during the Go-to-JavaScript data transfer.
— Scott
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