/**
* Adds vertical stretch interval.
*
* @param interval vertical stretch interval to add
*/
public void addVerticalStretch(final NinePatchInterval interval) {
this.verticalStretch.add(interval);
updateCachedHeightData();
}
/**
* Sets list of vertical stretch intervals.
*
* @param verticalStretch list of vertical stretch intervals
*/
public void setVerticalStretch(final List<NinePatchInterval> verticalStretch) {
this.verticalStretch = verticalStretch;
updateCachedHeightData();
}