Jamie wrote:
All,
I am currently working on a proof of concept. Our company product only
supports (and is dependent on) the Adobe SVG Viewer v.3. The
reason being that the product was developed before Batik was fully
mature. In order to make the case for switching to Batik I was hoping to
be able to display SVG content in a Windows browser-based
applet<em>without any</em> plug-ins i.e. just using the in-built Windows
JVM.
Accomplishing the same task to show the use of Swing is easy enough,
just include the swing-all.jar in the archive tag. For Batik to work,
I understand there is a dependency on Java 2D.
Has anyone investigated this problem? Does anyone know a full list of
dependencies to get JSVGCanvas to display in an applet without JRE1.3.
If not, can anyone at Batik tell me whether what I am attempting is
possible? If not, why? This application is intranet based so
bandwidth/download times are not an issue.
It is probably not feasable with the default Windows JVM. Aside
from the very heavy use of Java2D (which I am not aware of a 1.1
implementation of) we also use features of the JVM like SoftReferences
which are essentially impossible to 'fake', another problem area is
text where we use the TextLayout/AttributedString classes for BIDI handling.
I certainly don't have a complete list of the non-1.1 dependencies but they
are likely extensive.
If I could deliver SVG to a browser without the java plug-in I would be
in a strong position to argue for Java as basis for client-side
architecture, with all the benefits that can bring. Don't bother telling
me all the other benefits of Batik; I well aware, it is my boss I have
to convince. At the moment I am trying to implement a ComboBox in
JavaScript, which is like a broken pencil i.e. pointless.
There are a few other SVG implementations in Java that are
generally targeted at PDA's/CellPhones since these are generally based
on Personal Java (a derivative of JDK 1.1) you might be able to
use one of those in your applet. TinyLine I think is one of them
most of these are targeting SVG Tiny as opposed to SVG Full so if you
need scripting/dynamic support you may need to do some significant work.
Fortunately I believe Rhino (the JavaScript engine we use) is able
to run on a 1.1 JVM.
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