40 lines
1007 B
JavaScript
40 lines
1007 B
JavaScript
goog.require('ol.Map');
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goog.require('ol.RendererHint');
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goog.require('ol.View2D');
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goog.require('ol.layer.TileLayer');
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goog.require('ol.source.OSM');
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var map = new ol.Map({
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layers: [
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new ol.layer.TileLayer({
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source: new ol.source.OSM()
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})
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],
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renderer: ol.RendererHint.CANVAS,
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target: 'map',
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view: new ol.View2D({
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center: [0, 0],
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zoom: 2
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})
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});
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var exportJPEGElement = document.getElementById('export-jpeg');
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var exportPNGElement = document.getElementById('export-png');
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if ('download' in exportJPEGElement && 'download' in exportPNGElement) {
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exportJPEGElement.addEventListener('click', function(e) {
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e.target.href = map.getRenderer().getCanvas().toDataURL('image/jpeg');
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}, false);
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exportPNGElement.addEventListener('click', function(e) {
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e.target.href = map.getRenderer().getCanvas().toDataURL('image/png');
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}, false);
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} else {
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var info = document.getElementById('no-download');
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/**
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* display error message
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*/
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info.style.display = '';
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}
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