asp.net GDI+繪製矩形漸層

標籤：dia   矩形   div   漸層   span   sys   for   system   bit   

 1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 using System.Drawing; 8 using System.Drawing.Drawing2D; 9 10 public partial class _Default : System.Web.UI.Page11 {12     protected void Page_Load(object sender, EventArgs e)13     {14         Bitmap bitmap = new Bitmap(200, 100);15         Graphics graphics = Graphics.FromImage(bitmap);16         graphics.Clear(Color.White);17         Rectangle rectangle = new Rectangle(0, 0, 200, 100);18         LinearGradientBrush mylineargradientbrush = new LinearGradientBrush(rectangle, Color.White, Color.Green, LinearGradientMode.ForwardDiagonal);19         graphics.FillRectangle(mylineargradientbrush, 0, 0, 200, 100);20         System.IO.MemoryStream ms = new System.IO.MemoryStream();21         bitmap.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg);22         Response.ClearContent();23         Response.ContentType="image/Jpeg";24         Response.BinaryWrite(ms.ToArray());25     }26 }

 

 

asp.net GDI+繪製矩形漸層