Thanks for the suggesion thomas. Let me put my problem more clear.
I need to give an image for icons(componets).User will drag and drop
the components into the panel. He may resize the icons. If i put .gif as
image of an icon when user resizes it he will lose the resolution. To avaoid
that i was planing to user SVG i dont want to use JSVGCanvas. I tried with
class SVGRasterizer(Which will give me a bufferedImage) but still i could
not get the resolution SVG. If i can access the rendered image from
JSVGCanvas or JSVComponent or JGVTComponent. When ever user resizes icon. I
will pass the svg document with new size to above mentioned(JSVGCanvas)one
and get the rendered one from it.
In this approch i will be having one control class for that if i
pass the svgdocument and size it will give me Rendered image out of it.
I want to know how to do? Any one of you people can help me. It
would be great help for me.
Thanks in advance
Bala
-----Original Message-----
From: Thomas E Deweese [mailto:[EMAIL PROTECTED]]
Sent: Thursday, March 07, 2002 6:13 PM
To: Batik Users
Subject: Getting rendered image from JSVGCanvas
"BK" == K, Balamurugan (CORP, GEITC) <[EMAIL PROTECTED]> writes:
BK> I am new to Batik. I need help from u guys. I have a
BK> requirement. I have to show vector graphics to get high
BK> resolution. I need to create icons which will have images. When i
BK> resize that icon i will lose the resolution if the image is gif or
BK> any raster based. JSVGCanvas is the best one for that but for each
BK> icon i can't use JSVGCanvas. It is very slow. What i am thinking
BK> to solve this problem is, i will use svg. For that i need to know
BK> how to acces the rendered image object from JSVGCanvas. If i know
BK> how to do that each time when i resize i will get the new rendered
BK> image from JSVGCanvas in that way i wont lose the resolution. I
BK> think this will be more useful for different projects as well. It
BK> will be greatful if any one show me the right direction.
I don't think I fully understand what you are asking for. But it
sounds like you want to put SVG icons over a very high resolution
image. If your High resolution image is done using RenderableImage
(say from JAI). You should be able to fairly easily construct a
single SVG document that has that image in the background (by
extending the image tag: see extending Batik on our web site). And
then has a bunch of use's or what ever to place the icons over the
image. This would have JSVGCanvas display everything (instead of a
JSVG canvas per icon).
Alternatively, You can build the GVT tree (either use the
JSVGCanvas since it has a really simple interface or look at the
Slideshow application: ...batik.apps.slideshow) and ask the GVT tree
(batik.gvt.GraphicsNode) for it's RenderableImage
(getGraphicsNodeRable, this returns a Filter but that just extends
java.awt.image.renderable.RenderableImage with a few extra methods).
You can then call createRendering with an appropriate RenderContext to
get proper renderings.
BK> Thanks in advance Bala
Hope the above is helpful.
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