demo/layers.html

<!DOCTYPE html>
<html>

  <head>
    <script src="../dist/svg-pan-zoom.js"></script>
  </head>

  <body>
    <h1>Demo for svg-pan-zoom: Zooming just one SVG layer</h1>
    <div id="container" style="width: 300px; height: 500px; border:1px solid black; ">
      <svg id="svg-1" xmlns="http://www.w3.org/2000/svg" style="display: inline; width: inherit; min-width: inherit; max-width: inherit; height: inherit; min-height: inherit; max-height: inherit;" version="1.1">
        <defs>
          <linearGradient id="linear-gradient" x1="0%" y1="0%" x2="0%" y2="100%">
            <stop offset="0%" style="stop-color:rgb(56,121,217);stop-opacity:1" />
            <stop offset="100%" style="stop-color:rgb(138,192,7);stop-opacity:1" />
          </linearGradient>
        </defs>
        <g stroke="#000">
          <rect x="0" y="400" width="100" height="100" fill="yellow"/>
        </g>
        <g fill="none" class="svg-pan-zoom_viewport">
          <g stroke="#000" fill="#FFF">
            <rect x="5" y="5" width="240" height="240" fill="url(#linear-gradient)"/>
            <path d="M 5 5  L 245 245 Z"/>
          </g>
        </g>
        <g stroke="#000">
          <rect x="0" y="0" width="100" height="100" fill="pink"/>
        </g>
      </svg>
    </div>

    <script>
      // Don't use window.onLoad like this in production, because it can only listen to one function.
      window.onload = function() {
        // Expose to window namespase for testing purposes
        window.panZoomInstance = svgPanZoom('#svg-1', {
          viewportSelector: '.svg-pan-zoom_viewport',
          zoomEnabled: true,
          controlIconsEnabled: true,
          fit: true,
          center: true,
          minZoom: 0.1,
          eventsListenerElement: document.querySelector('#svg-1 .svg-pan-zoom_viewport')
        });
      };
    </script>

  </body>

</html>