public bool isExist(PointF pointStart, PointF pointEnd, bool isexit)
{
FlowDataF fd = new FlowDataF();
fd.p0 = pointStart;
fd.p1 = pointEnd;
fd.isExit = isexit;
return(listFlow.Contains(fd));
}
public void AddFlow(PointF pointStart, PointF pointEnd, bool isexit)
{
FlowDataF fd = new FlowDataF();
fd.p0 = pointStart;
fd.p1 = pointEnd;
fd.isExit = isexit;
listFlow.Add(fd);
}
public FlowDataF getElementF(int index)
{
FlowDataF fd = new FlowDataF();
if (index <= listFlow.Count)
{
fd = (FlowDataF)listFlow[index];
}
return(fd);
}
public bool isExist(FlowDataF fdata)
{
FlowDataF fd;
bool succ = false;
for (int i = 0; i < listFlow.Count; i++)
{
fd = (FlowDataF)listFlow[i];
if (fd.Equals(fdata))
{
succ = true;
break;
}
}
return(succ);
}
public bool DeleteFlow(FlowDataF fdata)
{
FlowDataF fd;
bool succ = false;
for (int i = 0; i < listFlow.Count; i++)
{
fd = (FlowDataF)listFlow[i];
if (fd.Equals(fdata))
{
listFlow.RemoveAt(i);
succ = true;
break;
}
}
return(succ);
}
public bool DeleteFlow(PointF pointStart, PointF pointEnd, bool isexit)
{
FlowDataF fd = new FlowDataF();
FlowDataF fdata;
fd.p0 = pointStart;
fd.p1 = pointEnd;
fd.isExit = isexit;
bool succ = false;
for (int i = 0; i < listFlow.Count; i++)
{
fdata = (FlowDataF)listFlow[i];
if (fd.Equals(fdata))
{
listFlow.RemoveAt(i);
succ = true;
break;
}
}
return(succ);
}
public bool GetCoordinateMinAndMaxFunc(ref PointF MinPoint, ref PointF MaxPoint)
//函数名：bool GetCoordinateMinAndMaxFunc(ref point MinPoint,ref point MaxPoint )
//输入：ListFlow待绘制图坐标数组
//输出：上述坐标集合的最大值和最小值坐标MinPoint，MaxPoint
//功能描述：获取ListFlow最大值和最小值
{
//算法
//step1、数据有效性检查
//若 ListFlow==null 则
if (listFlow == null)
{
return(false);
}
//若 ListFlow ==0则
if (listFlow.Count == 0)
{
return(false);
}
//step2、MinPoint，MaxPoint初始化
//MinPoint，MaxPoint的X坐标赋值为ListFlow[0]的p0坐标X
MinPoint.X = ((FlowDataF)(listFlow[0])).p0.X;
MaxPoint.X = ((FlowDataF)(listFlow[0])).p0.X;
//MinPoint，MaxPoint的Y坐标赋值为ListFlow[0]的p0坐标Y
MinPoint.Y = ((FlowDataF)(listFlow[0])).p0.Y;
MaxPoint.Y = ((FlowDataF)(listFlow[0])).p0.Y;
FlowDataF FlowDataTemp = new FlowDataF();//
//Step3、数组循环
//for i=0 to ListFlow.Length
for (int i = 0; i < listFlow.Count; i++)
{
FlowDataTemp = (FlowDataF)(listFlow[i]);
//step4、X坐标与最大和最小值比较
//若 第i个ListFlow坐标X大于MaxPoint坐标X 则
if (FlowDataTemp.p0.X > MaxPoint.X)
{
//MaxPoint坐标X赋值为第i个ListFlow坐标X
MaxPoint.X = FlowDataTemp.p0.X;
}
//若 第i个ListFlow坐标X小于MinPoint坐标X 则
if (FlowDataTemp.p0.X < MinPoint.X)
{
//MinPoint坐标X赋值为第i个ListFlow坐标X
MinPoint.X = FlowDataTemp.p0.X;
}
//Y坐标与最大和最小值比较
//若 第i个ListFlow坐标Y大于MaxPoint坐标Y 则
if (FlowDataTemp.p0.Y > MaxPoint.Y)
{
//MaxPoint坐标Y赋值为第i个ListFlow坐标Y
MaxPoint.Y = FlowDataTemp.p0.Y;
}
//若 第i个ListFlow坐标Y小于MinPoint坐标Y 则
if (FlowDataTemp.p0.Y < MinPoint.Y)
{
//MinPoint坐标Y赋值为第i个ListFlow坐标Y
MinPoint.Y = FlowDataTemp.p0.Y;
}
}//step5、跳到step3
//step6、返回true
return(true);
}
public void AddFlow(FlowDataF fdata)
{
listFlow.Add(fdata);
}
