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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="../dist/cropper.css">
- <style>
- .container {
- max-width: 640px;
- margin: 20px auto;
- }
-
- img {
- max-width: 100%;
- }
-
- .cropper-view-box,
- .cropper-face {
- border-radius: 50%;
- }
- </style>
-</head>
-<body>
-
- <div class="container">
- <h1>Crop a round image</h1>
- <h3>Image</h3>
- <div>
- <img id="image" src="../docs/images/picture.jpg" alt="Picture">
- </div>
- <h3>Result</h3>
- <p>
- <button type="button" id="button">Crop</button>
- </p>
- <div id="result"></div>
- </div>
-
- <script src="../dist/cropper.js"></script>
- <script>
- (function () {
-
- function getRoundedCanvas(sourceCanvas) {
- var canvas = document.createElement('canvas');
- var context = canvas.getContext('2d');
- var width = sourceCanvas.width;
- var height = sourceCanvas.height;
-
- canvas.width = width;
- canvas.height = height;
-
- context.imageSmoothingEnabled = true;
- context.drawImage(sourceCanvas, 0, 0, width, height);
- context.globalCompositeOperation = 'destination-in';
- context.beginPath();
- context.arc(width / 2, height / 2, Math.min(width, height) / 2, 0, 2 * Math.PI, true);
- context.fill();
-
- return canvas;
- }
-
- window.addEventListener('DOMContentLoaded', function () {
- var image = document.getElementById('image');
- var button = document.getElementById('button');
- var result = document.getElementById('result');
- var croppable = false;
- var cropper = new Cropper(image, {
- aspectRatio: 1,
- viewMode: 1,
- ready: function () {
- croppable = true;
- }
- });
-
- button.onclick = function () {
- var croppedCanvas;
- var roundedCanvas;
- var roundedImage;
-
- if (!croppable) {
- return;
- }
-
- // Crop
- croppedCanvas = cropper.getCroppedCanvas();
-
- // Round
- roundedCanvas = getRoundedCanvas(croppedCanvas);
-
- // Show
- roundedImage = document.createElement('img');
- roundedImage.src = roundedCanvas.toDataURL()
- result.innerHTML = '';
- result.appendChild(roundedImage);
- };
-
- });
-
- })();
- </script>
-</body>
-</html>