前段時間寫的一個圖形比例顯示的函數,代碼很簡單!

????????private?void?DrawGraphic(double?UnReadyNum,double?ReadyNum,double?FinishNum)
????????{
????????????double?iPercentAngle;

????????????iPercentAngle?=?360?/?(UnReadyNum?+?ReadyNum?+?FinishNum);

????????????//生成一個Bitmap
????????????Bitmap?objBitmap;
????????????objBitmap?=?new?Bitmap(450,400,PixelFormat.Format64bppPArgb);


????????????//生成一個Graphics,同時清除Bitmap的背景色為White.
????????????Graphics?objGraphics;
????????????objGraphics?=?Graphics.FromImage(objBitmap);
????????????objGraphics.Clear(Color.White);

????????????//畫圖
????????????objGraphics.FillEllipse(Brushes.Red,120,10,200,200);
????????????objGraphics.FillPie(Brushes.Orange,120,10,200,200,0,(float)(ReadyNum*iPercentAngle));
????????????objGraphics.FillPie(Brushes.Green,120,10,200,200,(float)(ReadyNum*iPercentAngle),(float)(FinishNum*iPercentAngle));

????????????objBitmap.Save(Response.OutputStream,ImageFormat.Gif);
????????}

轉載于:https://www.cnblogs.com/dotnetbbs/archive/2006/05/08/393636.html

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