mirror of
https://github.com/Viglino/ol-ext.git
synced 2026-01-25 17:36:21 +00:00
162 lines
5.2 KiB
HTML
162 lines
5.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!--
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Copyright (c) 2019 Jean-Marc VIGLINO,
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released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
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-->
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<title>ol-ext: print control</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="description" content="Print control for Openlayers" />
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<meta name="keywords" content="openlayers, control, print, canvas" />
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<link rel="stylesheet" href="../style.css" />
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<!-- jQuery -->
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<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
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<!-- Openlayers -->
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
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<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
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<!-- ol-ext -->
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<link rel="stylesheet" href="../../dist/ol-ext.css" />
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<script type="text/javascript" src="../../dist/ol-ext.js"></script>
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<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
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<script src="https://unpkg.com/elm-pep"></script>
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<!-- https://github.com/MrRio/jsPDF -->
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<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.2/jspdf.min.js"></script>
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<!-- filesaver-js -->
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<script type="text/javascript" src="https://cdn.rawgit.com/eligrey/FileSaver.js/aa9f4e0e/FileSaver.min.js"></script>
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<style>
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#image {
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background-color: #eee;
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padding: 1em;
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clear: both;
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display: inline-block;
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margin: 1em 0;
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}
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</style>
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</head>
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<body >
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<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
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<a href="../../index.html">
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<h1>ol-ext: print control</h1>
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</a>
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<div class="info">
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The <b>ol.control.Print</b> is a control to export a map as an image.
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<br/>
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Use <a href="https://github.com/eligrey/FileSaver.js/">eligrey/FileSaver</a>
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or <a href="https://github.com/MrRio/jsPDF">MrRio/jsPDF</a>
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to save resulting image.
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<ul><li>
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The <i>print()</i> method can be used to get an image programmatically.
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</li><li>
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Use the <i>imageType</i> and <i>quality</i> options to adjust image properties.
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</li><li>
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Listen to the <i>print</i> event to do something when image is ready.
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</li><li>
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The <i>printing</i> event is send when loading.
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</li></ul>
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</div>
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<!-- Map div -->
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<div id="map" style="width:600px; height:400px;"></div>
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<div class="options">
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<h2>Options:</h2>
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<ul><li>
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<label><input id="file" type="checkbox" /> save as file</label>
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</li></ul>
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<a id="export-jpg" class="btn" download="map.jpg" target="_new" onclick="printControl.print({ imageType: 'image/jpeg'})">
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Export JPEG
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</a>
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<a id="export-png" class="btn" download="map.png" target="_new" onclick="printControl.print({ imageType: 'image/png'})">
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Export PNG
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</a>
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<a id="export-pdf" class="btn" download="map.pdf" data-margin="10" target="_new" onclick="printControl.print({ imageType: 'image/jpeg', pdf:true })">
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Export PDF
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</a>
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<a id="copy" class="btn" download="map.pdf" data-margin="10" target="_new" onclick="printControl.copyMap({ imageType: 'image/jpeg' })">
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Copy to Clipboard
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</a>
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</div>
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<div id='image'>
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<h2>Resulting image</h2>
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<img/>
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</div>
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<script type="text/javascript">
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// The map
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var map = new ol.Map({
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target: 'map',
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view: new ol.View ({
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zoom: 5,
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center: [266812, 5960201]
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}),
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layers: [
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new ol.layer.Geoportail('ORTHOIMAGERY.ORTHOPHOTOS'),
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new ol.layer.Geoportail('GEOGRAPHICALNAMES.NAMES')
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]
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});
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map.addControl(new ol.control.LayerSwitcher());
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// GeoJSON vector layer
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var vector = new ol.layer.Vector({
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name: '1914-18',
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source: new ol.source.Vector({
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url: '../data/fond_guerre.geojson',
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projection: 'EPSG:3857',
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format: new ol.format.GeoJSON(),
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attributions: [ '© <a href="https://data.culture.gouv.fr/explore/dataset/fonds-de-la-guerre-14-18-extrait-de-la-base-memoire">data.culture.gouv.fr</a>' ]
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})
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});
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map.addLayer(vector);
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// Print control
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var printControl = new ol.control.Print();
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map.addControl(printControl);
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/* On print > save image file */
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printControl.on('printing', function(e) {
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$('body').css('opacity', .5);
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});
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printControl.on(['print', 'error'], function(e) {
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$('body').css('opacity', 1);
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// Print success
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if (e.image) {
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if (e.pdf) {
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// Export pdf using the print info
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var pdf = new jsPDF({
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orientation: e.print.orientation,
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unit: e.print.unit,
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format: e.print.size
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});
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pdf.addImage(e.image, 'JPEG', e.print.position[0], e.print.position[0], e.print.imageWidth, e.print.imageHeight);
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pdf.save();
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} else {
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if ($('#file').prop('checked')) {
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e.canvas.toBlob(function(blob) {
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saveAs(blob, 'map.'+e.imageType.replace('image/',''));
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}, e.imageType);
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} else {
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$('#image img').attr('src', e.image);
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}
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}
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} else {
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console.warn('No canvas to export');
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}
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});
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</script>
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</body>
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</html> |