3种c#画图方法.docx

1?????????????//描绘曲线?????????????//创建曲线中的点?????????????????Point point1 = new Point(68, 420);?????????????????Point point2 = new Point(71, 410);?????????????????Point point3 = new Point(74, 423);?????????????????Point point4 = new Point(77, 412);?????????????????Point point5 = new Point(80, 400);?????????????????Point point6 = new Point(90, 380);?????????????????Point point7 = new Point(100, 350);?????????????????Point point8 = new Point(120, 320);?????????????????Point[] curvePoints = { point1, point2, point3, point4, point5, point6, point7, point8 };?????????????????GraphicsPath myPath = new GraphicsPath();?????????????????//AddCurve(点阵,起点,终点,弯曲程度)?????????????????myPath.AddCurve(curvePoints, 0, 7, 0.8f);?????????????????Pen myPen = new Pen(Color.Red, 1);?????????????????IMG.DrawPath(myPen, myPath);---------------------------------------------------------------------------------------------2 c#.net画曲线图(坐标)using System.Drawing.Imaging;using System.Drawing.Drawing2D;???//数据/月份???public ArrayList arrData=new ArrayList();???public ArrayList arrMonth=new ArrayList();???//定义幕布高宽???private int iCanvasWidth=400;???private int iCanvasHeight=300;???//x轴的间距???private int iX=30;???//y轴间距???private int iY=15;???public void InitArray()???{????for(int i=0;i6;i++)?????arrMonth.Add(i+1);?????????????arrData.Add(200);????arrData.Add(180);????arrData.Add(285);????arrData.Add(290);????arrData.Add(275);????arrData.Add(350);???}//????//pen 画线//????Pen myPen = new Pen(Color.Black);//????Graphics g = this.CreateGraphics();//????g.DrawEllipse(myPen, 20, 30, 10, 50);////????Graphics g1 = this.CreateGraphics();//????SolidBrush myBrush = new SolidBrush(Color.Red);//????g1.FillEllipse(myBrush,20,30,40,40);//????g1.FillRectangle(myBrush,70,70,10,30);????this.InitArray();????Bitmap bitmap= new Bitmap(iCanvasWidth, iCanvasHeight,PixelFormat.Format24bppRgb);????//Graphics g=Graphics.FromImage(bitmap);????Graphics g=this.CreateGraphics();????g.Clear(Color.White);???????Font font = new Font(MS UI G