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<article>
<style scoped>
video { transform: scaleX(-1); }
p { text-align: center; }
</style>
<h1>Snapshot Kiosk</h1>
<section id="splash">
<p id="errorMessage">Loading...</p>
</section>
<section id="app" hidden>
<p><video id="monitor" autoplay></video> <canvas id="photo"></canvas>
<p><input type=button value="📷" onclick="snapshot()">
</section>
<script>
navigator.getUserMedia({video:true}, gotStream, noStream);
var video = document.getElementById('monitor');
var canvas = document.getElementById('photo');
function gotStream(stream) {
video.src = URL.createObjectURL(stream);
video.onerror = function () {
stream.stop();
};
stream.onended = noStream;
video.onloadedmetadata = function () {
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
document.getElementById('splash').hidden = true;
document.getElementById('app').hidden = false;
};
}
function noStream() {
document.getElementById('errorMessage').textContent = 'No camera available.';
}
function snapshot() {
canvas.getContext('2d').drawImage(video, 0, 0);
}
</script>
</article>
经本人测试在android手机的opera浏览器浏览器下可以正常实现手机拍照功能。android手机下的google chrome浏览器还不行,自带的浏览器也测试没有通过。iphone手机的safari浏览器也是不支持的。