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100% Reflective Class Diagram Creation Tool

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14 Jun 2011CPOL28 min read 1.8M   39.6K   1.2K  
100% Reflective Class Diagram Creation Tool
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace AutoDiagramer
{
    #region frmSettings CLASS
    /// <summary>
    /// Partial class that creates the GUI part of the frmZoom object
    /// </summary>
    public partial class frmZoom : Form
    {
        #region Instance fields
        //instanec fields
        private Bitmap _Bitmap= null;
        private double Zoom = 1.0;
        #endregion
        #region Constructor
        /// <summary>
        /// Creates a new frmZoom object
        /// </summary>
        public frmZoom()
        {
            InitializeComponent();
        }
        #endregion
        #region Public Properties
        /// <summary>
        /// Sets the current Bitmap
        /// </summary>
        public Bitmap CurrentImage
        {
           set 
           { 
               //create a new BitMap with initial zoom of 1.0 (100%)
               _Bitmap = value; 
				this.pnlImage.AutoScroll = true;
				this.pnlImage.AutoScrollMinSize = new Size ((int)(_Bitmap.Width * Zoom), 
                    (int)(_Bitmap.Height * Zoom));
				this.Invalidate();
           }
        }
        #endregion
        #region Private Methods
        /// <summary>
        /// Zooms the current image to the required Zoom factor
        /// </summary>
        /// <param name="zFactor">The new zoom factor</param>
        private void doZoom(double zFactor)
        {
            this.pnlImage.Visible = false;
			Zoom = zFactor;
			this.pnlImage.AutoScrollMinSize = new Size ((int)(_Bitmap.Width * Zoom), 
                (int)(_Bitmap.Height * Zoom));
			this.Invalidate();
            this.pnlImage.Visible = true;
            pnlImage.Focus();
        }

        /// <summary>
        /// mnuZoom25 menu clicked, do zoom 25% 
        /// </summary>
        /// <param name="sender">mnuZoom25 menu</param>
        /// <param name="e">the events args</param>
        private void mnuZoom25_Click(object sender, EventArgs e)
        {
            doZoom(.25);
        }

        /// <summary>
        /// mnuZoom50 menu clicked, do zoom 50% 
        /// </summary>
        /// <param name="sender">mnuZoom50 menu</param>
        /// <param name="e">the events args</param>
        private void mnuZoom50_Click(object sender, EventArgs e)
        {
            doZoom(.5);
        }

        /// <summary>
        /// mnuZoom100 menu clicked, do zoom 100% 
        /// </summary>
        /// <param name="sender">mnuZoom100 menu</param>
        /// <param name="e">the events args</param>
        private void mnuZoom100_Click(object sender, EventArgs e)
        {
            doZoom(1.0);
        }

        /// <summary>
        /// mnuZoom200 menu clicked, do zoom 200% 
        /// </summary>
        /// <param name="sender">mnuZoom200 menu</param>
        /// <param name="e">the events args</param>
        private void mnuZoom200_Click(object sender, EventArgs e)
        {
            doZoom(2.0);
        }

        /// <summary>
        /// paint the image on the pnlImage panel at the right zoom
        /// </summary>
        /// <param name="sender">pnlImage panel</param>
        /// <param name="e">the events args</param>
        private void pnlImage_Paint(object sender, PaintEventArgs e)
        {
			Graphics g = e.Graphics;
			g.DrawImage(_Bitmap, new Rectangle(this.pnlImage.AutoScrollPosition.X, 
                this.pnlImage.AutoScrollPosition.Y, (int)(_Bitmap.Width*Zoom), (int)(_Bitmap.Height * Zoom)));
        }

        /// <summary>
        /// mnuEnterManualZoom menu clicked, so allow user to enter their own zoom, 
        /// but check for all possible error prior to allowing new zoom to be applied
        /// </summary>
        /// <param name="sender">mnuEnterManualZoom menu</param>
        /// <param name="e">the events args</param>
        private void mnuEnterManualZoom_Click(object sender, EventArgs e)
        {
            //allow user to enter their own zoom, but check for all possible error prior to allowing
            //new zoom to be applied
            String zoomEntered = Program.InputBox("Enter your desired zoom factor (Between 0.1 - 2.0)","Enter zoom factor","1.0");
            if (!string.IsNullOrEmpty(zoomEntered))
            {
                try 
                {
                    double dZoom = double.Parse(zoomEntered);
                    if (dZoom < 0.1 || dZoom > 2.0)
                    {
                        Program.ErrorBox("You didnt enter a valid zoom factor\r\n\r\n" +
                                        "Zoom MUST be between 0.1 - 2.0");
                    }
                    else 
                    {
                        doZoom(dZoom);
                    }
                }
                catch (Exception)
                {
                    Program.ErrorBox("You didnt enter a valid zoom factor");
                }
            }
        }

        /// <summary>
        /// btnOk button clicked, so close this form
        /// </summary>
        /// <param name="sender">btnOk button</param>
        /// <param name="e">the events args</param>
        private void btnOk_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        /// <summary>
        /// frmZoom form resized, so re-position all controls
        /// </summary>
        /// <param name="sender">frmZoom form</param>
        /// <param name="e">the events args</param>
        private void frmZoom_Resize(object sender, EventArgs e)
        {
            this.pnlImage.Width = this.Width;
            this.pnlImage.Height = this.Height - (this.pnlImage.Location.Y + 2* pnlBottom.Height);
            btnOk.Left = this.Width - 84;
        }

        /// <summary>
        /// frmZoom form shown, so set focus to main panel
        /// </summary>
        /// <param name="sender">frmZoom form</param>
        /// <param name="e">the events args</param>
        private void frmZoom_Shown(object sender, EventArgs e)
        {
            pnlImage.Focus();
        }
        #endregion
    }
    #endregion
}

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


Written By
Software Developer (Senior)
United Kingdom United Kingdom
I currently hold the following qualifications (amongst others, I also studied Music Technology and Electronics, for my sins)

- MSc (Passed with distinctions), in Information Technology for E-Commerce
- BSc Hons (1st class) in Computer Science & Artificial Intelligence

Both of these at Sussex University UK.

Award(s)

I am lucky enough to have won a few awards for Zany Crazy code articles over the years

  • Microsoft C# MVP 2016
  • Codeproject MVP 2016
  • Microsoft C# MVP 2015
  • Codeproject MVP 2015
  • Microsoft C# MVP 2014
  • Codeproject MVP 2014
  • Microsoft C# MVP 2013
  • Codeproject MVP 2013
  • Microsoft C# MVP 2012
  • Codeproject MVP 2012
  • Microsoft C# MVP 2011
  • Codeproject MVP 2011
  • Microsoft C# MVP 2010
  • Codeproject MVP 2010
  • Microsoft C# MVP 2009
  • Codeproject MVP 2009
  • Microsoft C# MVP 2008
  • Codeproject MVP 2008
  • And numerous codeproject awards which you can see over at my blog

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