Hi Oliver.
Oliver Brook:
> In my application I am translating, scaling and rotating elements
> using a transform attribute on each element in the following way:
>
> transform="translate(x,y) scale(s) rotate(r, cx, cy)"
>
> In order to edit the transforms of each element in my document I am
> accessing the element's SVGTransformList and then editing the
> properties of the SVGTransforms in the list. This works great except
> for rotation transforms. When I use SVGTransform.setRotate(rotation,
> cx, cy) the canvas is updated as it should be and the element is
> rotated by the correct amount around cx,cy. If, however, I then call
> System.out.println(e.getAttribute("transform")) I can see the rotation
> amount but the optional cx and cy components of the rotate transform
> are missing from the DOM. This means that when save my document to a
> file the resulting svg document has all of the rotate transforms
> acting around the origin and, as a result, is a complete mess.
…
> I have thoroughly checked the rest of my program and am pretty certain
> the problem is with my use of this method. Can anyone see an error I
> am making here, or is this a Batik bug?
I tried calling setRotate() using script, and the DOM attribute seemed
to update for me:
<svg xmlns='http://www.w3.org/2000/svg'>
<g id='g' transform='translate(0,0) scale(1) rotate(1,2,3)'/>
<script>
var g = document.getElementById('g');
var item = g.transform.baseVal.getItem(2);
item.setRotate(4, 5, 6);
alert(g.getAttribute('transform'));
</script>
</svg>
What version of Batik are you using? Does the above document alert the
right attribute value?
--
Cameron McCormack, http://mcc.id.au/
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