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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>Cropper.js</title>
<link rel="stylesheet" href="../css/cropper.css">
<style>
.container {
margin: 20px auto;
max-width: 640px;
}
img {
max-width: 100%;
}
</style>
</head>
<body>
<div class="container">
<h1>Crop on canvas with Cropper</h1>
<h3>Image</h3>
<div class="img-container">
<img id="image" src="../images/picture.jpg" alt="Picture">
</div>
<h3>Canvas</h3>
<div class="img-container">
<canvas id="canvas"></canvas>
</div>
</div>
<script src="../js/cropper.js"></script>
<script>
function start() {
var width = this.offsetWidth;
var height = this.offsetHeight;
var cropper;
canvas.width = width;
canvas.height = height;
canvas.getContext('2d').drawImage(
this,
0, 0, this.naturalWidth, this.naturalHeight,
0, 0, width, height
);
cropper = new Cropper(canvas);
}
window.addEventListener('DOMContentLoaded', function () {
var canvas = document.getElementById('canvas');
var image = document.getElementById('image');
if (image.complete) {
start.call(image);
} else {
image.onload = start;
}
});
</script>
</body>
</html>
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