using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Drawing;namespace BitMapDemo {public class BitmapHelper{/// <summary>/// 畫遠眺圖/// </summary>/// <param name="width">屏幕分辨率寬</param>/// <param name="height">屏幕分辨率高</param>/// <param name="gstartWidth">畫筆最外層寬度（像素，推薦10-35）</param>/// <param name="xishu">畫筆每層遞減量（建議0.01-0.09）推薦使用的是0.04</param>/// <param name="saveFilePath">保存路徑</param>public static void DrawingIt(int width, int height, float gstartWidth, float xishu, string saveFilePath){Image img = new Bitmap(width, height);Graphics g = Graphics.FromImage(img);g.FillRectangle(new SolidBrush(Color.White), 0, 0, width, height);float gwidth = gstartWidth;float startX = gwidth / 2, startY = gwidth / 2, bwidth = width - gwidth, bheight = height - gwidth;while (bheight > 0.5){Pen pen = new Pen(Color.Green, gwidth);g.DrawRectangle(pen, startX, startY, bwidth, bheight);if (gwidth > 2){gwidth -= gwidth * xishu;startX += (gwidth * 1.9f);startY += (gwidth * 1.5f);bwidth -= (gwidth * 2f * 1.9f);bheight -= (gwidth * 2f * 1.5f);}else{startX += (gwidth * 1.9f);startY += (gwidth * 1.5f);bwidth -= (gwidth * 2f * 1.9f);bheight -= (gwidth * 2f * 1.5f);}}img.Save(saveFilePath);}} }

調用代碼：

static void Main(string[] args){BitmapHelper.DrawingIt(1280, 1024, 15,0.04f,@"D:/1.jpg");}結果出來了，畫出一個簡單的遠眺圖來

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