用C#绘制实时曲线图

set { height = value; }

}

/// <SUMMARY>

/// 图片的宽度

/// </SUMMARY>

public int Width

{

get { return width; }

set { width = value; }

}

/// <SUMMARY>

/// 构造函数，指定生成的曲线图的宽度和高度

/// </SUMMARY>

/// <PARAM name="width">要生成的曲线图的宽度</PARAM>

/// <PARAM name="height">要生成的曲线图的高度</PARAM>

public RealTimeImageMaker(int width, int height):this(width,height,Color.Gray,Color.Blue)

{

}

/// <SUMMARY>

/// 构造函数，指定生成的曲线图的宽度、高度及背景色和前景色

/// </SUMMARY>

/// <PARAM name="width">要生成的曲线图的宽度</PARAM>

/// <PARAM name="height">要生成的曲线图的高度</PARAM>

/// <PARAM name="backColor">曲线图背景色</PARAM>

/// <PARAM name="foreColor">曲线图前景色</PARAM>

public RealTimeImageMaker(int width, int height, Color backColor, Color foreColor)

{

this.width = width;

this.height = height;

this.backColor = backColor;

this.foreColor = foreColor;

pointList = new Point[width];

Point tempPoint;

//初始化曲线上的所有点坐标

for (int i = 0; i < width; i++)

{

tempPoint = new Point();

//曲线的横坐标沿x轴依次递增，在横向位置上每个像素都有一个点

tempPoint.X = i;

//曲线上每个点的纵坐标随机生成，但保证在显示区域之内

tempPoint.Y = random.Next() % height;

pointList = tempPoint;

}

}