mapserver.cs

来自「用Mapx 4.5开发的一个webgis」· CS 代码 · 共 108 行

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;

namespace WebGis
{

	public class MapServer : System.Windows.Forms.Form
	{
		private AxMapXLib.AxMap axMap1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.PictureBox pictureBox1;

		private System.ComponentModel.Container components = null;

		public MapServer()
		{
			InitializeComponent();
		}

		
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}


		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(MapServer));
			this.axMap1 = new AxMapXLib.AxMap();
			this.button1 = new System.Windows.Forms.Button();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			((System.ComponentModel.ISupportInitialize)(this.axMap1)).BeginInit();
			this.SuspendLayout();
			// 
			// axMap1
			// 
			this.axMap1.Enabled = true;
			this.axMap1.Location = new System.Drawing.Point(16, 16);
			this.axMap1.Name = "axMap1";
			this.axMap1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axMap1.OcxState")));
			this.axMap1.Size = new System.Drawing.Size(360, 344);
			this.axMap1.TabIndex = 0;
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(560, 424);
			this.button1.Name = "button1";
			this.button1.TabIndex = 1;
			this.button1.Text = "button1";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// pictureBox1
			// 
			this.pictureBox1.Location = new System.Drawing.Point(400, 16);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(328, 312);
			this.pictureBox1.TabIndex = 2;
			this.pictureBox1.TabStop = false;
			// 
			// MapServer
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(768, 493);
			this.Controls.Add(this.pictureBox1);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.axMap1);
			this.Name = "MapServer";
			this.Text = "Form1";
			((System.ComponentModel.ISupportInitialize)(this.axMap1)).EndInit();
			this.ResumeLayout(false);

		}


		private void button1_Click(object sender, System.EventArgs e)
		{
			byte[] buffer = buildMap("testmap");
			MemoryStream stream = new MemoryStream(buffer);
			Image img = Bitmap.FromStream(stream);
			pictureBox1.Image = img;
		}

		public byte[] buildMap(string filename)
		{
			Bitmap bmp = new Bitmap(axMap1.Width, axMap1.Height);
			Graphics g = Graphics.FromImage(bmp);
			IntPtr hDC = g.GetHdc();
			axMap1.PrintMap((int)hDC, 0, 0, bmp.Width * 20, bmp.Height * 20);
			g.ReleaseHdc(hDC);
			MemoryStream stream = new MemoryStream();
			bmp.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
			return stream.GetBuffer();
		}
	}
}