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65 lines
2.4 KiB
65 lines
2.4 KiB
<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1">
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<script src="../dist/svg-pan-zoom.js"></script>
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</head>
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<body>
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<div id="limit-div" style="width: 602px; height: 420px; border:1px solid black; ">
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<svg id="limit-svg" 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">
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<defs>
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<linearGradient id="linear-gradient" x1="0%" y1="0%" x2="0%" y2="100%">
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<stop offset="0%" style="stop-color:rgb(56,121,217);stop-opacity:1" />
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<stop offset="100%" style="stop-color:rgb(138,192,7);stop-opacity:1" />
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</linearGradient>
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</defs>
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<g fill="none">
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<g stroke="#000" fill="#FFF">
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<rect x="5" y="5" width="240" height="240" fill="url(#linear-gradient)"/>
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<path d="M 5 5 L 245 245 Z"/>
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</g>
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</g>
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</svg>
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</div>
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<script>
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// Don't use window.onLoad like this in production, because it can only listen to one function.
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window.onload = function() {
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var beforePan
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beforePan = function(oldPan, newPan){
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var stopHorizontal = false
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, stopVertical = false
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, gutterWidth = 100
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, gutterHeight = 100
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// Computed variables
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, sizes = this.getSizes()
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, leftLimit = -((sizes.viewBox.x + sizes.viewBox.width) * sizes.realZoom) + gutterWidth
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, rightLimit = sizes.width - gutterWidth - (sizes.viewBox.x * sizes.realZoom)
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, topLimit = -((sizes.viewBox.y + sizes.viewBox.height) * sizes.realZoom) + gutterHeight
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, bottomLimit = sizes.height - gutterHeight - (sizes.viewBox.y * sizes.realZoom)
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customPan = {}
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customPan.x = Math.max(leftLimit, Math.min(rightLimit, newPan.x))
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customPan.y = Math.max(topLimit, Math.min(bottomLimit, newPan.y))
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return customPan
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}
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// Expose to window namespace for testing purposes
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window.panZoom = svgPanZoom('#limit-svg', {
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zoomEnabled: true
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, controlIconsEnabled: true
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, fit: 1
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, center: 1
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, beforePan: beforePan
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});
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// panZoom.setBeforePan(beforePan)
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};
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</script>
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</body>
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</html>
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