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Universal Framework for Science and Engineering - Part 7: Virtual Reality at Once

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19 Nov 2010CPOL25 min read 187.1K   14.4K   212  
An article on framework applications to virtual reality
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.IO;

using DiagramUI;

using DataPerformer;
using DataPerformerUI.Performers;

namespace DataPerformerUI.UserControls
{
    /// <summary>
    /// 2D Table user control
    /// </summary>
    public partial class UserControlTable2D : UserControl
    {

        #region Fields

        /// <summary>
        /// The table
        /// </summary>
        protected Table2D table;

        /// <summary>
        /// Bitmap for table
        /// </summary>
        protected Bitmap bmp;

        #endregion


        #region Ctor

        /// <summary>
        /// Constructor
        /// </summary>
        public UserControlTable2D()
        {
            InitializeComponent();
            CreateBitmap();
        }

        #endregion


        internal Table2D Table
        {
            get
            {
                return table;
            }
            set
            {
                if (value == null)
                {
                    return;
                }
                table = value;
                DrawBitmap();
                Refresh();
            }
        }

        internal void Open()
        {
            if (openFileDialogTable2D.ShowDialog(this.ParentForm) != DialogResult.OK)
            {
                return;
            }
            Stream stream = null;
            try
            {
                stream = File.OpenRead(openFileDialogTable2D.FileName);
                table.Load(stream);
                Refresh();
            }
            catch (Exception ex)
            {
                ex.Log();
            }
            if (stream != null)
            {
                stream.Close();
            }
        }

        internal void Save()
        {
            Stream stream = null;
            if (saveFileDialogTable2D.ShowDialog(this.ParentForm) != DialogResult.OK)
            {
                return;
            }
            try
            {
                stream = File.OpenWrite(saveFileDialogTable2D.FileName);
                table.Save(stream);
            }
            catch (Exception ex)
            {
                ex.Log();
            }
            if (stream != null)
            {
                stream.Close();
            }
        }

        private void CreateBitmap()
        {
            bmp = new Bitmap(Width, Height);
        }

         private void DrawBitmap()
         {
            Graphics g = Graphics.FromImage(bmp);
            if (table != null)
            {
                Table2DPerformer.Draw(table, g, 0, 0, Width, Height);
            }
        }

        private void UserControlTable2D_Paint(object sender, PaintEventArgs e)
        {

            e.Graphics.DrawImage(bmp, 0, 0);
        }

        private void UserControlTable2D_Resize(object sender, EventArgs e)
        {
            CreateBitmap();
            DrawBitmap();
            Refresh();
        }


    }
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Architect
Russian Federation Russian Federation
Ph. D. Petr Ivankov worked as scientific researcher at Russian Mission Control Centre since 1978 up to 2000. Now he is engaged by Aviation training simulators http://dinamika-avia.com/ . His additional interests are:

1) Noncommutative geometry

http://front.math.ucdavis.edu/author/P.Ivankov

2) Literary work (Russian only)

http://zhurnal.lib.ru/editors/3/3d_m/

3) Scientific articles
http://arxiv.org/find/all/1/au:+Ivankov_Petr/0/1/0/all/0/1

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