源码推荐：一个使用C#绘制图形引擎的Framework

}

}

}

//Charting Engine - draws a chart based on the given ChartData

public class ChartEngine {

private ChartData chartData ;

private float left;

private float right;

private float top;

private float bottom;

private float tickCount;

private float yCount;

private float hspacing;

private float vspacing;

private Graphics g;

private Rectangle r;

private Color backColor;

private Color foreColor;

private Font baseFont;

private Font legendFont;

private RectangleF legendRect;

public ChartEngine() {

}

public Bitmap DrawChart(int width, int height, ChartData chartData) {

Bitmap newBitmap = new Bitmap(width,height,PixelFormat.Format32bppARGB);

Graphics g = Graphics.FromImage(newBitmap);

Rectangle r = new Rectangle(0, 0, width, height);

Color myForeColor = Color.Black;

Color myBackColor = Color.White;

Font myFont = new Font("Arial", 10);

this.DrawChart(g, r, myBackColor, myForeColor, myFont, chartData);

return newBitmap;

}

public void DrawChart(Graphics g, Rectangle r, Color backColor,

Color foreColor, Font baseFont, ChartData chartData) {

this.chartData = chartData;

this.g = g;

this.r = r;

this.backColor = backColor;

this.foreColor = foreColor;

this.baseFont = baseFont;