YZoomRegion.from constructor
Implementation
YZoomRegion.from(YZoomRegion zoomRegion) {
ytop = zoomRegion.ytop;
ybottom = zoomRegion.ybottom;
}
YZoomRegion.from(YZoomRegion zoomRegion) {
ytop = zoomRegion.ytop;
ybottom = zoomRegion.ybottom;
}