public String[] optimizeTransform() {
String[] changedAttrs = null;
SVGMatrix tfm = getTransform();
if (tfm != null && PerseusController.isIdentityTransform(tfm, true)) {
float xCoord = getFloatTrait(SVGConstants.SVG_X_ATTRIBUTE) + tfm.getComponent(4);
float yCoord = getFloatTrait(SVGConstants.SVG_Y_ATTRIBUTE) + tfm.getComponent(5);
changedAttrs =
new String[] {
SVGConstants.SVG_Y_ATTRIBUTE, String.valueOf(yCoord),
SVGConstants.SVG_X_ATTRIBUTE, String.valueOf(xCoord),
SVGConstants.SVG_TRANSFORM_ATTRIBUTE, null
};
}
return changedAttrs;
}
public static NaviPoint getLocalPointFromDomElement(Element element, float x, float y) {
SVGMatrix mat = ((SVGLocatable) element).getScreenCTM();
SVGMatrix imat = mat.inverse(); // screen -> elem
NaviPoint pt = new NaviPoint(x, y);
return pt.matrixTransform(imat);
}