undo and redo adding new cropper library as it had a .git config from the original project
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123
library/cropperjs/examples/customize-preview.html
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123
library/cropperjs/examples/customize-preview.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="x-ua-compatible" content="ie=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<title>Cropper.js</title>
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<link rel="stylesheet" href="../dist/cropper.css">
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<style>
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.container {
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max-width: 960px;
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margin: 20px auto;
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}
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img {
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max-width: 100%;
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}
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.row,
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.preview {
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overflow: hidden;
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}
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.col {
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float: left;
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}
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.col-6 {
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width: 50%;
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}
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.col-3 {
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width: 25%;
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}
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.col-2 {
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width: 16.7%;
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}
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.col-1 {
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width: 8.3%;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Customize preview for Cropper</h1>
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<div class="row">
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<div class="col col-6">
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<img id="image" src="../docs/images/picture.jpg" alt="Picture">
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</div>
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<div class="col col-3">
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<div class="preview"></div>
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</div>
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<div class="col col-2">
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<div class="preview"></div>
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</div>
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<div class="col col-1">
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<div class="preview"></div>
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</div>
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</div>
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</div>
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<script src="../dist/cropper.js"></script>
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<script>
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function each(arr, callback) {
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var length = arr.length;
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var i;
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for (i = 0; i < length; i++) {
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callback.call(arr, arr[i], i, arr);
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}
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return arr;
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}
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window.addEventListener('DOMContentLoaded', function () {
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var image = document.querySelector('#image');
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var previews = document.querySelectorAll('.preview');
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var cropper = new Cropper(image, {
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ready: function () {
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var clone = this.cloneNode();
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clone.className = ''
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clone.style.cssText = (
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'display: block;' +
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'width: 100%;' +
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'min-width: 0;' +
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'min-height: 0;' +
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'max-width: none;' +
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'max-height: none;'
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);
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each(previews, function (elem) {
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elem.appendChild(clone.cloneNode());
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});
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},
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crop: function (e) {
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var data = e.detail;
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var cropper = this.cropper;
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var imageData = cropper.getImageData();
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var previewAspectRatio = data.width / data.height;
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each(previews, function (elem) {
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var previewImage = elem.getElementsByTagName('img').item(0);
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var previewWidth = elem.offsetWidth;
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var previewHeight = previewWidth / previewAspectRatio;
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var imageScaledRatio = data.width / previewWidth;
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elem.style.height = previewHeight + 'px';
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previewImage.style.width = imageData.naturalWidth / imageScaledRatio + 'px';
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previewImage.style.height = imageData.naturalHeight / imageScaledRatio + 'px';
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previewImage.style.marginLeft = -data.x / imageScaledRatio + 'px';
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previewImage.style.marginTop = -data.y / imageScaledRatio + 'px';
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});
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}
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});
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});
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</script>
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</body>
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</html>
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