Hi Jonathan,
first of all thanks for your reply, but if you create the elements (rect and
animate) and then create the document and load it, it should be the same if
you already drawn the elements in a svg file and open it.
Maybe I didn't mention that exactly, my problem is that I have already opened
a svg file in my application and then would like to add an animation, but if
I do this like in your example, it won't be animated.
Kind Regards,
Fabian
> Hi Fabian,
>
> It is usually a case of getting the correct attributes. Batik tends to
follow the standard a bit more closely that some other implementations. The
following code works for me...posted sans the JFrame init...assumes a class
member JSVGCanvas named svgCanvas.
>
> private void runDemo() {
> svgCanvas.setDocumentState(JSVGCanvas.ALWAYS_DYNAMIC);
> svgCanvas.addGVTTreeBuilderListener(new GVTTreeBuilderAdapter() {
> @Override
> public void gvtBuildCompleted(GVTTreeBuilderEvent e) {
>
svgCanvas.getUpdateManager().getUpdateRunnableQueue().invokeLater(new
Runnable() {
> public void run() {
> Element rect =
svgCanvas.getSVGDocument().createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI,
SVGConstants.SVG_RECT_TAG);
> rect.setAttributeNS(null,
SVGConstants.SVG_X_ATTRIBUTE, "100");
> rect.setAttributeNS(null,
SVGConstants.SVG_Y_ATTRIBUTE, "100");
> rect.setAttributeNS(null,
SVGConstants.SVG_WIDTH_ATTRIBUTE, "100");
> rect.setAttributeNS(null,
SVGConstants.SVG_HEIGHT_ATTRIBUTE, "100");
> rect.setAttributeNS(null,
SVGConstants.SVG_FILL_ATTRIBUTE, "#2222ee");
> Element animate =
svgCanvas.getSVGDocument().createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI,
SVGConstants.SVG_ANIMATE_TAG);
> animate.setAttributeNS(null,
SVGConstants.SVG_ATTRIBUTE_NAME_ATTRIBUTE,
SVGConstants.SVG_OPACITY_ATTRIBUTE);
> animate.setAttributeNS(null,
SVGConstants.SVG_VALUES_ATTRIBUTE, "1;0");
> animate.setAttributeNS(null,
SVGConstants.SVG_DUR_ATTRIBUTE, "3s");
> animate.setAttributeNS(null,
SVGConstants.SVG_REPEAT_COUNT_ATTRIBUTE, "indefinite");
> rect.appendChild(animate);
>
svgCanvas.getSVGDocument().getDocumentElement().appendChild(rect);
> }
> });
> }
> });
> Document doc =
SVGDOMImplementation.getDOMImplementation().createDocument(SVGDOMImplementation.SVG_NAMESPACE_URI,
"svg",
null);
> svgCanvas.setSVGDocument((SVGDocument) doc);
> }
>
>
>
>
>
> On Fri, Mar 12, 2010 at 8:35 AM, Fabian Unfried
<i...@funfried.de<mailto:i...@funfried.de>> wrote:
> Hi,
>
> I would like to know how to handle animations with batik, especially the
> animate tag.
>
> If I put the following svg code into an svg graphic and open it with a java
> application with batik all works just fine and it'll be animated:
>
> <rect x="100" y="100" width="500" height="500">
> <animate attributeType="CSS" attributeName="opacity"
calcMode="discrete"
> from="1" to="0" dur="1s" repeatCount="indefinite" />
> </rect>
>
>
> But what do I have to do, if I want to do exactly this during runtime?
>
> I've tried this:
>
>
> SVGOMAnimationElement animate = (SVGOMAnimationElement)
> this.svgDocument.createElementNS(SVGDOMImplementation.SVG_NAMESPACE_URI,
> SVG12Constants.SVG_ANIMATE_TAG);
> animate.setAttribute("dur", "1s");
> animate.setAttribute("values", "0; 0; 1; 1");
> animate.setAttribute("keyTimes", "0; 0.5; 0.7; 1.0");
> animate.setAttribute("attributeName", "opacity");
> animate.setAttribute("attributeType", "CSS");
> animate.setAttribute("repeatCount", "indefinite");
>
> rect.appendChild(animate);
>
> animate.beginElement();
>
>
> but this didn't get animated, so I've tried to use the SVGAnimationEngine,
but
> I'm not sure how to use the addAnimation() method, or even if I need to do
> that:
>
> SVGAnimationEngine aEngine = getSVGAnimationEngine();
> aEngine.addAnimation((AnimationTarget) rect,
> SVGAnimationEngine.ANIM_TYPE_CSS, "?", "?", AbstractAnimation???);
>
> How can I setup an AbstractAnimation?
>
>
>
> Any help is very appreciated
>
> Thanks in advance.
>
> Kind regards,
>
> Fabian
>
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