private Point GetPointDTO(int value, int MaxValue)
{
Point point = new Point();
DeductionPointDTO beginPT = new DeductionPointDTO();
DeductionPointDTO endPT = new DeductionPointDTO();
int beginInt = 0;
int CurrentPosition = 0;
double currentDistance = TotalLen / MaxValue * value;
endPT = listP.Find((DeductionPointDTO tempPt) => tempPt.LenStart <= currentDistance && tempPt.LenEnd >= currentDistance);
if (endPT == null)
{
endPT = listP[listP.Count - 1];
}
beginInt = listP.FindIndex((DeductionPointDTO tempPt) => tempPt.LenStart <= currentDistance && tempPt.LenEnd >= currentDistance) - 1;
if (beginInt <= 0)
{
beginPT = listP[0];
}
else
{
beginPT = listP[beginInt];
}
CurrentPosition = (int)((currentDistance - endPT.LenStart) / (endPT.LenEnd - endPT.LenStart) * 100);
point = GetCurrentPoint(beginPT.point, endPT.point, CurrentPosition);
return(point);
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
#region 测试两个点坐标系变换
//if (beginP == new Point())
//{
// beginP = e.Location;
// txtBegin.Text = "X:" + beginP.X + ",Y:" + beginP.Y;
// Rectangle rectBegin = new Rectangle(beginP, new Size(8, 8));
// rectBegin.Offset(-4, -4);
// g.FillEllipse(new SolidBrush(Color.Yellow), rectBegin);
//}
//else if (endP == new Point())
//{
// endP = e.Location;
// txtEnd.Text = "X:" + endP.X + ",Y:" + endP.Y;
// Rectangle rectEnd = new Rectangle(endP, new Size(8, 8));
// rectEnd.Offset(-4, -4);
// g.FillEllipse(new SolidBrush(Color.Green), rectEnd);
// g.DrawLine(new Pen(Color.Red), beginP, endP);
// txtQuadrant.Text = GetQuadrant(beginP, endP).ToString();
//}
#endregion
if (listP.Count == 0)
{
DeductionPointDTO pt = new DeductionPointDTO();
pt.point = e.Location;
pt.LenStart = 0;
pt.LenEnd = 0;
listP.Add(pt);
}
else
{
DeductionPointDTO pt = new DeductionPointDTO();
pt.point = e.Location;
pt.LenStart = listP[listP.Count - 1].LenEnd;
double lenX = Math.Abs(listP[listP.Count - 1].point.X - e.Location.X);
double lenY = Math.Abs(listP[listP.Count - 1].point.Y - e.Location.Y);
double distance = Math.Sqrt(Math.Pow(lenX, 2) + Math.Pow(lenY, 2));
TotalLen = TotalLen + distance;
pt.LenEnd = TotalLen;
listP.Add(pt);
}
for (int i = 0; i < listP.Count; i++)
{
Rectangle rect = new Rectangle(listP[i].point, new Size(8, 8));
rect.Offset(-4, -4);
g.FillEllipse(new SolidBrush(Color.Green), rect);
rect = new Rectangle(listP[i - 1 == -1 ? 0 : i - 1].point, new Size(8, 8));
rect.Offset(-4, -4);
g.FillEllipse(new SolidBrush(Color.Green), rect);
g.DrawLine(new Pen(Color.Red), listP[i - 1 == -1 ? 0 : i - 1].point, listP[i].point);
}
}
