leastXFinder method
can find leastX based on the middle height
Implementation
leastXFinder(List<Line> lines, {bool useMiddle = false}) {
Line firstLine = lines.reduce((value, element) {
var i1 = !useMiddle
? value.cornerList![0].x
: (value.cornerList![0].x + value.cornerList![2].x) / 2;
var i2 = !useMiddle
? element.cornerList![0].x
: (element.cornerList![0].x + element.cornerList![2].x) / 2;
return i1 < i2 ? value : element;
});
return firstLine;
}