CraftSynth.ImageEditor – Rev 1

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using System;
using System.Windows.Forms;

namespace CraftSynth.ImageEditor
{
        /// <summary>
        /// Base class for all drawing tools
        /// </summary>
        internal abstract class Tool:IDisposable
        {
                /// <summary>
                /// Left nous button is pressed
                /// </summary>
                /// <param name="drawArea"></param>
                /// <param name="e"></param>
                public virtual void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
                {
                }


                /// <summary>
                /// Mouse is moved, left mouse button is pressed or none button is pressed
                /// </summary>
                /// <param name="drawArea"></param>
                /// <param name="e"></param>
                public virtual void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
                {
                }


                /// <summary>
                /// Left mouse button is released
                /// </summary>
                /// <param name="drawArea"></param>
                /// <param name="e"></param>
                public virtual void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
                {
                }

                #region Destruction
                public void Dispose()
                {
                        this.Dispose(true);
                        GC.SuppressFinalize(this);       
                }

                private bool _disposed = false;

                protected virtual void Dispose(bool disposing)
                {
                        if (!this._disposed)
                        {
                                if (disposing)
                                {
                                        // Free any managed objects here. 
                                }

                                // Free any unmanaged objects here. 
                                
                                this._disposed = true;
                        }
                }

                ~Tool()
                {
                         this.Dispose(false);
                }
                #endregion
        }
}

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