//由点划线
private void DemoDrawPoint(Graphics g)
{
//创建曲线中的点
Point point0 = new Point(1, 2);
Point point1 = new Point(30, 5);
Point point2 = new Point(60, 10);
Point point3 = new Point(74, 23);
Point point4 = new Point(77, 102);
Point point5 = new Point(80, 160);
Point point6 = new Point(90, 180);
Point point7 = new Point(150, 181);
Point point8 = new Point(220, 200);
//放到数组中
Point[] curvePoints = { point0, point1, point2, point3, point4, point5, point6, point7, point8 };
//使用类标准化数据
PointF[] curvePointsF = new curveRender(curvePoints, this.pictureBox1).curvePointsF;
//创建路径
GraphicsPath myPath = new GraphicsPath();
//AddCurve(点阵,起点,终点,弯曲程度)
//myPath.AddCurve(curvePoints, 0, 7, 0.5f);//最后一个参数[0,1]越大，曲线越平滑
//myPath.AddCurve(curvePointsF, 0, 7, 0.99f);//最后一个参数[0,1]越大，曲线越平滑
myPath.AddCurve(curvePointsF);
//定义铅笔
Pen myPen = new Pen(Color.Red, 1);
Pen myPen2 = new Pen(Color.Blue, 2);
//画路径
g.DrawPath(myPen, myPath);
//画空心圆
g.DrawEllipse(myPen, 20, 30, 10, 10);
//画点
//int x = 10, y = 100;
//g.FillEllipse(Brushes.Blue, x, y, 10, 10);
int pointRadius = 8; //点的半径
Brush blueBrush = Brushes.BlueViolet; //点的颜色
foreach (PointF p in curvePointsF)
{
g.FillEllipse(blueBrush, p.X, p.Y, pointRadius, pointRadius);
}
}
//由点划线
private void DemoDrawPoint(Graphics g)
{
//创建曲线中的点
Point point0 = new Point(1, 2);
Point point1 = new Point(30, 5);
Point point2 = new Point(60, 10);
Point point3 = new Point(74, 23);
Point point4 = new Point(77, 102);
Point point5 = new Point(80, 160);
Point point6 = new Point(90, 180);
Point point7 = new Point(150, 181);
Point point8 = new Point(220, 200);
//放到数组中
Point[] curvePoints = { point0, point1, point2, point3, point4, point5, point6, point7, point8 };
//使用类标准化数据
PointF[] curvePointsF = new curveRender(curvePoints, this.pictureBox1).curvePointsF;
//创建路径
GraphicsPath myPath = new GraphicsPath();
//AddCurve(点阵,起点,终点,弯曲程度)
//myPath.AddCurve(curvePoints, 0, 7, 0.5f);//最后一个参数[0,1]越大，曲线越平滑
//myPath.AddCurve(curvePointsF, 0, 7, 0.99f);//最后一个参数[0,1]越大，曲线越平滑
myPath.AddCurve(curvePointsF);
//定义铅笔
Pen myPen = new Pen(Color.Red, 1);
Pen myPen2 = new Pen(Color.Blue, 2);
//画路径
g.DrawPath(myPen, myPath);
//画空心圆
g.DrawEllipse(myPen, 20, 30, 10, 10);
//画点
//int x = 10, y = 100;
//g.FillEllipse(Brushes.Blue, x, y, 10, 10);
int pointRadius = 8;//点的半径
Brush blueBrush = Brushes.BlueViolet;//点的颜色
foreach(PointF p in curvePointsF){
g.FillEllipse(blueBrush, p.X, p.Y, pointRadius, pointRadius);
}
}