On Wed, 10 Dec 2008 13:12:18 +0100, markelliott2000 <[EMAIL PROTECTED]> wrote:
...
> include.js
> ----------
>
> function zoomin(x, y, width, height)
> {
> var vb = document.documentElement.getAttribute("viewBox");
> var vp_w = 0;
> var vp_h = 0;
>
> if(vb)
> {
> var vba = vb.split(" "); //comes out with four string array
> vp_w = Number(vba[2]);
> vp_h = Number(vba[3]);
> }
It's better to use the viewBox property:
var vb_w = document.documentElement.viewBox.baseVal.width;
var vb_h = document.documentElement.viewBox.baseVal.height;
And note that the viewBox isn't the same as the viewport.
Except for currentScale, there's also a currentTranslate property that you can
modify.
Cheers
/Erik
--
Erik Dahlstrom, Core Technology Developer, Opera Software
Co-Chair, W3C SVG Working Group
Personal blog: http://my.opera.com/macdev_ed
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