Mercurial > repos > marcel > caddsuite_linux_x86_64
diff CADDSuite-1.6/data/OpenBabel/svgformat.script @ 17:25a03362403c draft
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author | marcel |
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date | Sat, 15 Dec 2012 13:10:41 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CADDSuite-1.6/data/OpenBabel/svgformat.script Sat Dec 15 13:10:41 2012 -0500 @@ -0,0 +1,50 @@ +<script type="text/ecmascript"> + <![CDATA[ + addEventListener('DOMMouseScroll', wheel, false); + onmousewheel = wheel; + var svgEl = document.getElementById("topsvg"); + var startx=0; + var starty=0; + function wheel(evt){ + evt = evt ? evt : window.event; + var normal = evt.detail ? evt.detail * -1 : evt.wheelDelta / 40; + var vb = new Array(4); + var vbtext = svgEl.getAttributeNS(null,"viewBox"); + vb = vbtext.split(" "); + var zoom = (normal<0)? 1.41 : 0.71; + //var dwidth = parseFloat(Math.max(vb[2],vb[3])) * (1-zoom); + vb[0] = parseFloat(vb[0]) + parseFloat(vb[2])*(1-zoom) * evt.clientX/innerWidth; + vb[1] = parseFloat(vb[1]) + parseFloat(vb[3])*(1-zoom) * evt.clientY/innerHeight; + vb[2] = parseFloat(vb[2]) * zoom; + vb[3] = parseFloat(vb[3]) * zoom; + svgEl.setAttributeNS(null, "viewBox", vb.join(" ")); + if (evt.preventDefault) + evt.preventDefault(); // Don't scroll the page when zooming + } + onmousedown = function(evt) { + startx = evt.clientX; + starty = evt.clientY; + } + onmousemove=function(evt) { + if(startx!=0 && starty!=0 + && ((evt.clientX - startx)*(evt.clientX - startx)+(evt.clientY - starty)*(evt.clientY - starty)>100)) + { + var vbtext = svgEl.getAttributeNS(null,"viewBox"); + vb = vbtext.split(" "); + var maxwh = Math.max(parseFloat(vb[2]),parseFloat(vb[3])); + vb[0] = parseFloat(vb[0]) - (evt.clientX - startx)*maxwh/innerWidth; + vb[1] = parseFloat(vb[1]) - (evt.clientY - starty)*maxwh/innerHeight; + svgEl.setAttributeNS(null, "viewBox", vb.join(" ")); + startx = evt.clientX; + starty = evt.clientY; + } + } + onmouseup=function() { + startx=0; + starty=0; + } + ondblclick=function() { + location.reload(); + } + ]]> +</script>