/**
* Calculates the size of the unit bar.
*
* @param ratio The ratio to multiple the value by.
* @return
*/
private double getBarSize(double ratio) {
double v = unitInRefUnits;
double t = EditorUtil.transformSize(getPixelsSizeX()).getValue();
if (t > 0) v = unitInRefUnits / t;
v *= ratio;
return v;
}
/**
* Sets the value of the flag controlling if the unit bar is painted or not.
*
* @param unitBar Pass <code>true</code> to paint the unit bar, <code>false</code> otherwise.
*/
void setUnitBar(boolean unitBar) {
double v = EditorUtil.transformSize(parent.getPixelsSizeX()).getValue();
if (v == 0 || v == 1) unitBar = false;
this.unitBar = unitBar;
}