moveViewToX method
Moves the left side of the current viewport to the specified x-position. call state?.setStateIfNotDispose() to invalidate
@param xValue
Implementation
void moveViewToX(double xValue) {
List<double> pts = List.empty(growable: true);
pts.add(xValue);
pts.add(0.0);
painter?.getTransformer(AxisDependency.left)?.pointValuesToPixel(pts);
viewPortHandler!.centerViewPort(pts);
}