openseadragon/test/demo/svg-overlay.html

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<!DOCTYPE html>
<html>
<head>
<title>OpenSeadragon SVG 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>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<style type="text/css">
html,
body,
.openseadragon1 {
width: 100%;
height: 100%;
margin: 0;
}
.svg-overlay {
left: 0;
position: absolute;
top: 0;
width: 100%;
height: 100%;
}
</style>
<script>
// ----------
App = {
itemCount: 20,
positionRange: 100,
sizeRange: 30,
delay: 100,
// ----------
init: function() {
var self = this;
var tileSource = {
Image: {
xmlns: "http://schemas.microsoft.com/deepzoom/2008",
Url: "http://openseadragon.github.io/example-images/highsmith/highsmith_files/",
Format: "jpg",
Overlap: "2",
TileSize: "256",
Size: {
Height: "9221",
Width: "7026"
}
}
};
this.viewer = OpenSeadragon({
id: "contentDiv",
prefixUrl: "../../build/openseadragon/images/",
tileSources: [{
tileSource: tileSource,
width: 2,
y: 0.5,
x: 0.5
}],
minZoomImageRatio: 0
});
this.viewer.addHandler("animation", function() {
self.update();
});
this.viewer.addHandler('open', function() {
// var svg = document.createElement('svg');
// self.viewer.container.insertBefore(svg, self.viewer.canvas.nextSibling);
var svgD3 = d3.select(self.viewer.container).insert('svg', function() {
return self.viewer.canvas.nextSibling;
})
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.attr('class', 'svg-overlay')
.attr("width", $(window).width())
.attr("height", $(window).height())
.attr("pointer-events", "none");
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self.node = svgD3.append("g");
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self.node.append("rect")
.style('fill', '#f00')
.attr("x", 0.5)
.attr("width", 0.25)
.attr("y", 0.5)
.attr("height", 0.25)
.attr("pointer-events", "fill")
.on("click", function() {
console.log('click', arguments);
});
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self.update();
});
},
// ----------
update: function() {
var p = this.viewer.viewport.pixelFromPoint(new OpenSeadragon.Point(0, 0), true);
var zoom = this.viewer.viewport.getZoom(true);
var scale = $(window).width() * zoom;
this.node.attr('transform', 'translate(' + p.x + ',' + p.y + ') scale(' + scale + ')');
}
};
// ----------
$(document).ready(function() {
App.init();
});
</script>
</head>
<body>
<div id="contentDiv" class="openseadragon1"></div>
</body>
</html>