SVG DOM topic

Support for modifying elements of an SVG asset programmatically, using a document object model. An SVG asset can be animated by repeatedly modifying the DOM representation, and displaying the new ScalableImage created from it after each frame. This is similar to what some web pages do with JavaScript code modifying an SVG.

Sample Usage:

final String svgSrc = 
    '<svg><circle id="foo" cx="5" cy="5" r="5" fill="green"/></svg>';
final svg = SvgDOMManager.fromString(svgSrc);
final node = svg.dom.idLookup['foo'] as SvgEllipse;
node.paint.fillColor = Colors.blue;
final ScalableImage si = svg.build();
   ... display si, perhaps in a ScalableImageWidget ...

A full sample can be found in the GitHub repository in example/lib/animation.dart.

Here's a UML diagram overview of the DOM class structure: