diff CADDSuite-1.0/data/OpenBabel/svgformat.script @ 14:55c32b55c2c2

Uploaded Version 1.1
author marcel
date Thu, 12 Jan 2012 11:00:43 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CADDSuite-1.0/data/OpenBabel/svgformat.script	Thu Jan 12 11:00:43 2012 -0500
@@ -0,0 +1,45 @@
+<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(" "));
+    }
+    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;
+   }
+  ]]>
+</script>