Demo - FlexGrid to Image
HTML
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<link rel="stylesheet" href="http://cdn.wijmo.com/5.latest/styles/wijmo.min.css">
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.input.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.grid.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.grid.filter.min.js"></script>
<script src="http://cdn.wijmo.com/5.latest/controls/wijmo.gauge.min.js"></script>
<div class="container">
<h1>
FlexGrid to Image
</h1>
<p>
This example uses the dom to image library to export a FlexGrid
as a png image.</p>
<p>
It does not work if the grid's scroll position is not at the
origin.</p>
<div id="theGrid">
</div>
<button id="theButton">
Export Grid to Image
</button>
</div>
CSS
.wj-flexgrid {
max-height: 350px;
margin-bottom: 12px;
}
body {
margin-bottom: 36pt;
}
JavaScript
onload = function() {
// create some random data
var countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','),
data = [];
for (var i = 0; i < 200; i++) {
data.push({
id: i,
country: countries[i % countries.length],
active: i % 5 != 0,
downloads: Math.round(Math.random() * 200000),
sales: Math.random() * 100000,
expenses: Math.random() * 50000
});
}
// create grid
var theGrid = new wijmo.grid.FlexGrid('#theGrid', {
itemsSource: data
});
// export grid
document.getElementById('theButton').addEventListener('click', function(e) {
// scroll grid to origin
theGrid.scrollPosition = new wijmo.Point(0, 0);
// render to image
setTimeout(function() {
domtoimage.toPng(theGrid.hostElement)
.then(function(dataUrl) {
console.log(dataUrl);
//window.open(dataUrl);
var img = new Image();
img.src = dataUrl;
document.body.appendChild(img);
})
.catch(function(error) {
console.error('oops, something went wrong!', error);
});
}, 50)
})
}
// https://ourcodeworld.com/articles/read/38/how-to-capture-an-image-from-a-dom-element-with-javascript
/*! dom-to-image 03-02-2016 */
!function(a){"use strict";function b(a,b){return b=b||{},Promise.resolve(a).then(function(a){return e(a,b.filter)}).then(f).then(g).then(function(a){return b.bgcolor&&(a.style.backgroundColor=b.bgcolor),a}).then(function(b){return h(b,a.scrollWidth,a.scrollHeight)})}function c(a,b){return i(a,b||{}).then(function(a){return a.toDataURL()})}function d(a,b){return i(a,b||{}).then(n.canvasToBlob)}function e(b,c){function d(a){return a instanceof HTMLCanvasElement?n.makeImage(a.toDataURL()):a.cloneNode(!1)}function f(a,b,c){function d(a,b,c){var d=Promise.resolve();return b.forEach(function(b){d=d.then(function(){return e(b,c)}).then(function(b){b&&a.appendChild(b)})}),d}var f=a.childNodes;return...