{var xsize=x2-x1;var ysize=y2-y1;if(xlimit&&(Math.abs(xsize)>xlimit))
x2=(xsize>0)?(x1+xlimit):(x1-xlimit);if(ylimit&&(Math.abs(ysize)>ylimit))
y2=(ysize>0)?(y1+ylimit):(y1-ylimit);if(ymin&&(Math.abs(ysize)<ymin))
y2=(ysize>0)?(y1+ymin):(y1-ymin);if(xmin&&(Math.abs(xsize)<xmin))
x2=(xsize>0)?(x1+xmin):(x1-xmin);if(x1<0){x2-=x1;x1-=x1;}