Camera API
- Camera API를 사용하면 디바이스의 카메라로 사진을 찍어 현재 웹페이지에 업로드 가능함.
HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Camera API</title>
<link rel="stylesheet" href="css/base.css" type="text/css" media="screen">
</head>
<body>
<div class="container">
<h1>Camera API</h1>
<section class="main-content">
<p>A demo of the Camera API, currently implemented in Firefox and Google Chrome on Android. Choose to take a picture with your device's camera and a preview will be shown through createObjectURL or a FileReader object (choosing local files supported too).</p>
<p>
<input type="file" id="take-picture" accept="image/*"> <!--촬영된 사진파일전송-->
</p>
<h2>Preview:</h2>
<p>
<img src="about:blank" alt="" id="show-picture"> <!--전송된 파일을 불러옴-->
</p>
<p id="error"></p>
</section>
<p class="footer">All the code is available in the <a href="https://github.com/robnyman/robnyman.github.com/tree/master/camera-api">Camera API repository on GitHub</a>.</p>
</div>
<script src="js/base.js"></script>
</body>
</html>JavaScript
(function () {
var takePicture = document.querySelector("#take-picture"),
showPicture = document.querySelector("#show-picture");
if (takePicture && showPicture) {
// Set events
takePicture.onchange = function (event) { // 촬영된 사진이 전송되면
var files = event.target.files,
file;
if (files && files.length > 0) {
file = files[0];
try {
var imgURL = window.URL.createObjectURL(file);
showPicture.src = imgURL; // 이미지의 src 설정
URL.revokeObjectURL(imgURL);
}
catch (e) {
try {
// Fallback if createObjectURL is not supported
var fileReader = new FileReader();
fileReader.onload = function (event) {
showPicture.src = event.target.result;
};
fileReader.readAsDataURL(file);
}
catch (e) {
//
var error = document.querySelector("#error");
if (error) {
error.innerHTML = "Neither createObjectURL or FileReader are supported";
}
}
}
}
};
}
})();
