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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>Minimum and maximum cropped dimensions</h1>
<h3>Image</h3>
<div>
<img id="image" src="../images/picture.jpg" alt="Picture">
</div>
<p>Maximum Width: 640, Maximum Height: 320, Minimum Width: 320, Minimum Height: 160</p>
<p>Data: <span id="data"></span></p>
<h3>Result</h3>
<p>
<button type="button" id="button">Crop</button>
</p>
<div id="result"></div>
</div>
<script src="../js/cropper.js"></script>
<script>
window.addEventListener('DOMContentLoaded', function () {
var image = document.querySelector('#image');
var data = document.querySelector('#data');
var button = document.getElementById('button');
var result = document.getElementById('result');
var minCroppedWidth = 320;
var minCroppedHeight = 160;
var maxCroppedWidth = 640;
var maxCroppedHeight = 320;
var cropper = new Cropper(image, {
viewMode: 3,
data: {
width: (minCroppedWidth + maxCroppedWidth) / 2,
height: (minCroppedHeight + maxCroppedHeight) / 2,
},
crop: function (event) {
var width = event.detail.width;
var height = event.detail.height;
if (
width < minCroppedWidth
|| height < minCroppedHeight
|| width > maxCroppedWidth
|| height > maxCroppedHeight
) {
cropper.setData({
width: Math.max(minCroppedWidth, Math.min(maxCroppedWidth, width)),
height: Math.max(minCroppedHeight, Math.min(maxCroppedHeight, height)),
});
}
data.textContent = JSON.stringify(cropper.getData(true));
},
});
button.onclick = function () {
result.innerHTML = '';
result.appendChild(cropper.getCroppedCanvas());
};
});
</script>
</body>
</html>
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