If I use getCTM() to get the current tranformation matrix, how do I use that object to set the matrix if I want to restore it at a later point (I know about save and restore but those refer to the canvas and not items)
I know I set the attribute:
var m = someitem.getCTM();
$(someitem).attr("transform", "matrix("+m.a+","+m.b+","+m.c+","+ m.d+","+m.e+","+m.f+")");
But that seems sort of a long way of doing it. I can't find a setCTM function of any such close function.
Developing for webkit if that makes a difference.
Thanks!
function setCTM(someitem,m) {
return someitem.transform.baseVal.initialize(
someitem.ownerSVGElement.createSVGTransformFromMatrix(m));
}
If, instead of saving someItem.getCTM()
, you save someitem.transform.baseVal.getitem(0)
, you can use:
function setTransform(someitem,t) {
return someitem.transform.baseVal.initialize(t));
}
var transform = ownerSVGElement.createSVGTransform()
transform.setMatrix(elem.getCTM())
someelement.transform.baseVal.initialize(transform)
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