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@danielgavrilov
Created March 4, 2017 17:29
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Pan & Zoom SVG + HTML in sync
license: mit
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
#canvas-wrapper { width: 960px; height: 500px; position: absolute; left: 0; top: 0; }
#canvas { transform-origin: 0 0; }
#object { width: 50px; height: 50px; background-color: rgba(255,0,0,.8); position: absolute; left: 50px; top: 50px; }
svg { position: absolute; top: 0; left: 0; }
</style>
</head>
<body>
<svg id="svg" width=960 height=500></svg>
<div id="canvas-wrapper"><div id="canvas"><div id="object"></div></div></div>
<script>
// Feel free to change or delete any of the code you see in this editor!
var svg = d3.select("svg");
var canvas = d3.select("#canvas");
var canvasWrapper = d3.select("#canvas-wrapper");
var root = svg.append("g");
root.append("rect")
.attr("x", 50)
.attr("y", 50)
.attr("width", 50)
.attr("height", 50)
.style("fill", "blue")
.style("stroke", "green")
.style("stroke-width", "3px");
var zoom = d3.zoom()
.scaleExtent([1, 8])
.on("zoom", function() {
root.attr("transform", d3.event.transform);
let {x,y,k} = d3.event.transform;
canvas.style("transform", `translateX(${x}px) translateY(${y}px) scale(${k})`)
console.log(d3.event.transform);
});
canvasWrapper.call(zoom);
</script>
</body>
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