Svg icon from source

by Vladimir Vershinin

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/svg.js/2.6.5/svg.js"></script>
<script src="https://cdn.rawgit.com/openlayers/openlayers.github.io/master/en/v5.3.0/build/ol.js"></script>
<script src="https://unpkg.com/[email protected]/dist/vue.js"></script>
<script src="https://unpkg.com/[email protected]/lib/index.umd.js"></script>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/lib/style.css">
<div id="app">
  <vl-map data-projection="EPSG:4326">
    <vl-view :zoom.sync="zoom" :center.sync="center"></vl-view>
  
    <vl-layer-tile>
      <vl-source-osm></vl-source-osm>
    </vl-layer-tile>
    
    <vl-layer-vector ref="featuresLayer">
      <vl-source-vector :features="features"></vl-source-vector>
      <vl-style-func :factory="styleFuncFactory"></vl-style-func>
    </vl-layer-vector>
  </vl-map>
  
  <svg id="skull" version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" x="0px" y="0px"
	 width="100px" height="100px" viewBox="0 0 100 100" enable-background="new 0 0 100 100" xml:space="preserve">
<g>
	<path...

CSS

html, body, #app {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

JavaScript

Vue.use(VueLayers)

// external loaded features
let features = [
	{
      "type": "Feature",
      "id": 1,
      "properties": {
        "color": "red",
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -30.761718749999996,
          58.90464570302001
        ]
      }
    },
    {
      "type": "Feature",
      "id": 2,
      "properties": {
      	"color": "green",
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          36.73828124999999,
          44.59046718130883
        ]
      }
    },
    {
      "type": "Feature",
      "id": 3,
      "properties": {
        "color": "purple",
      },
      "geometry": {
        "type": "Point",
        "coordinates": [
          -23.37890625,
          32.10118973232094
        ]
      }
    }
]


new Vue({
  el: '#app',
  methods: {
    styleFuncFactory () {
      console.log("create style func")
      // get raw svg using http://svgjs.com/
      let svg = SVG('skull')      

      return feature => {
        let featureSvg = svg.clone()
        featureSvg.attr('width', 100 + 'px')
        featureSvg.attr('height', 100 + 'px')
        // set color from feature data
        let path = featureSvg.select('path')
        path.fill(feature.get('color'))

				let img = new Image()
        img.src = 'data:image/svg+xml;utf8,' + encodeURIComponent(featureSvg.svg())
        featureSvg.remove()
				//console.log(src)
        // apply color by some rule: here we use proprty from feature
        let icon = new ol.style.Icon({
          img: img,
          imgSize: [100, 100],
          size: [100, 100],
        })


        return [
          new ol.style.Style({
            image: icon,
          })
        ]
      }
    },
  },
  data () {
    return {
      zoom: 3,
      center: [-10, 35],
      features: features,
    }
  },
})