internal static void SetPreviusPoint(List <SvgPathItem> path, int index, Vector2 p1)
{
SvgPathItem pre = null;
Vector2? pm = null;
index--;
if (index < 0)
{
index = path.Count - 1;
}
pre = path[index];
if (pre.IsM())
{
pm = pre.GetPoint();
pre.SetPoint(p1);
}
if (pre.IsZ())
{
index--;
pre = path[index];
}
if (pm == null)
{
pre.SetPoint(p1);
}
else
{
var p = pre.GetPoint();
if (p == pm)
{
pre.SetPoint(p1);
}
}
}
internal void RulerShow(Vector2 startPoint, Vector2 endPoint)
{
if (!RulerEnabled)
{
List <SvgPathItem> path = new List <SvgPathItem>();
SvgPathItem p1 = new SvgPathItem('M', null);
p1.SetPoint(startPoint);
SvgPathItem p2 = new SvgPathItem('L', p1);
p2.SetPoint(endPoint);
p1.Next = p2;
path.Add(p1);
path.Add(p2);
Paths.Add(path);
}
RulerEnabled = true;
RulerVisible = true;
}
