86 lines
3.2 KiB
C#
86 lines
3.2 KiB
C#
using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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public partial class Main_InsertQianMing : System.Web.UI.Page
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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}
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protected void Button1_Click(object sender, EventArgs e)
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{
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if (tbSignData.Text.Trim() != "")
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{
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DrawSign(tbSignData.Text);
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}
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else
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{
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ZWL.Common.MessageBox.Show(this, "未发现任何签名数据！");
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}
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}
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private void DrawSign(string signdata)
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{
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System.Drawing.Bitmap image = new System.Drawing.Bitmap(400, 300);
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Graphics g = Graphics.FromImage(image);
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g.Clear(Color.White);
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//SolidBrush brush = new SolidBrush(Color.WhiteSmoke);
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//g.FillRectangle(brush, 0, 0, image.Width, image.Height);
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try
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{
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Pen pen = new Pen(Color.Black);
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string[] strokes = signdata.Split(new string[] { ";;" }, StringSplitOptions.RemoveEmptyEntries);
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string[] tmp = null, detail;
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int x1, x2, y1, y2;
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for (int i = 0; i < strokes.Length; i++)
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{
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if (strokes[i] == null) continue;
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tmp = strokes[i].Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries);
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if (tmp == null || tmp.Length == 0) continue;
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detail = tmp[0].Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
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int clr = Convert.ToInt32(detail[0], 16);
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pen.Color = Color.FromArgb((clr & 0xff), (clr & 0xff00) >> 8, (clr & 0xff0000) >> 16);
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pen.Width = Convert.ToInt32(detail[1], 16);
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x1 = Convert.ToInt32(detail[2], 16);
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y1 = Convert.ToInt32(detail[3], 16);
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for (int j = 1; j < tmp.Length; j++)
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{
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detail = tmp[j].Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
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x2 = Convert.ToInt32(detail[0], 16);
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y2 = Convert.ToInt32(detail[1], 16);
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g.DrawLine(pen, x1, y1, x2, y2);
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x1 = x2; y1 = y2;
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}
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}
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string TempStr = DateTime.Now.Ticks.ToString();
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image.Save(Server.MapPath("../UploadFile/") + "Sign" + TempStr + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
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//返回图片值
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Response.Write("<script language=javascript>window.returnValue =\"Sign" + TempStr + ".jpg\";window.close();</script>");
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//System.IO.MemoryStream ms = new System.IO.MemoryStream();
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////Bmp最清晰.
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//image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
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//Response.ClearContent();
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//Response.ContentType = "image/Jpeg";
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//Response.BinaryWrite(ms.ToArray());
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}
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catch (Exception e)
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{
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System.Diagnostics.Debug.WriteLine(e.Message);
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}
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finally
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{
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g.Dispose();
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image.Dispose();
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}
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}
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}
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