Created
September 17, 2019 18:57
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_imageEncode from arraybuffer binary to Base64
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| _imageEncode(arrayBuffer, contentType) { | |
| let u8 = new Uint8Array(arrayBuffer) | |
| let b64encoded = btoa([].reduce.call(new Uint8Array(arrayBuffer), function (p, c) { return p + String.fromCharCode(c) }, '')) | |
| let mimetype = contentType || "image/png" | |
| return "data:" + mimetype + ";base64," + b64encoded | |
| } |
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