<html>
<title>OpenSeadragon Overlay Demo</title>
<script type="text/javascript" src='../../build/openseadragon/openseadragon.js'></script>
<script type="text/javascript" src='../lib/jquery-1.9.1.min.js'></script>
<style type="text/css">
.openseadragon1 {
width: 800px;
height: 600px;
}
</style>
</head>
<body>
<div id="contentDiv" class="openseadragon1"></div>
<div id="annotation-div">
<input type="button" value="Hide Overlays" id="hideOverlays">
<input type="button" value="Rotate" id="rotate">
<span id="degrees">0deg</span>
</div>
<script type="text/javascript">
var viewer = OpenSeadragon({
id: "contentDiv",
prefixUrl: "../../build/openseadragon/images/",
tileSources: "../data/testpattern.dzi",
minZoomImageRatio: 0,
maxZoomPixelRatio: 10
});
viewer.addHandler("open", function(event) {
var elt = document.createElement("div");
elt.className = "runtime-overlay";
elt.style.background = "green";
elt.style.outline = "3px solid red";
elt.style.opacity = "0.7";
elt.textContent = "Scaled overlay";
viewer.addOverlay({
element: elt,
location: new OpenSeadragon.Rect(0.21, 0.21, 0.099, 0.099),
rotationMode: OpenSeadragon.OverlayRotationMode.BOUNDING_BOX
});
elt = document.createElement("div");
elt.className = "runtime-overlay";
elt.style.background = "white";
elt.style.outline = "3px solid red";
elt.style.width = "100px";
elt.textContent = "Scaled vertically";
viewer.addOverlay({
element: elt,
location: new OpenSeadragon.Point(0.6, 0.6),
height: 0.1,
placement: OpenSeadragon.Placement.TOP_LEFT,
rotationMode: OpenSeadragon.OverlayRotationMode.NO_ROTATION
});
elt = document.createElement("div");
elt.className = "runtime-overlay";
elt.style.background = "white";
elt.style.opacity = "0.5";
elt.style.outline = "1px solid blue";
elt.style.height = "100px";
elt.textContent = "Scaled horizontally";
viewer.addOverlay({
element: elt,
location: new OpenSeadragon.Point(0.1, 0.5),
width: 0.1
});
elt = document.createElement("div");
elt.className = "runtime-overlay";
elt.style.background = "white";
elt.style.opacity = "0.5";
elt.style.outline = "5px solid pink";
elt.style.width = "100px";
elt.style.height = "100px";
elt.textContent = "Not scaled, centered in the middle";
viewer.addOverlay({
element: elt,
location: new OpenSeadragon.Point(0.5, 0.5),
placement: OpenSeadragon.Placement.CENTER,
checkResize: false,
rotationMode: OpenSeadragon.OverlayRotationMode.EXACT
});
});
$("#hideOverlays").click(function(){
$(".runtime-overlay").toggle();
});
$("#rotate").click(function() {
viewer.viewport.setRotation(viewer.viewport.getRotation() + 22.5);
$("#degrees").text(viewer.viewport.getRotation() + "deg");
});
</script>
</body>
</html>