CraftSynth.ImageEditor – Rev 1

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using System.Windows.Forms;

namespace CraftSynth.ImageEditor
{
        /// <summary>
        /// Base class for all tools which create new graphic object
        /// </summary>
        internal abstract class ToolObject : Tool
        {
                private Cursor cursor;

                /// <summary>
                /// Tool cursor.
                /// </summary>
                protected Cursor Cursor
                {
                        get { return cursor; }
                        set { cursor = value; }
                }


                /// <summary>
                /// Left mouse is released.
                /// New object is created and resized.
                /// </summary>
                /// <param name="drawArea"></param>
                /// <param name="e"></param>
                public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
                {
                        int al = drawArea.TheLayers.ActiveLayerIndex;
                        if (drawArea.TheLayers[al].Graphics.Count > 0)
                                drawArea.TheLayers[al].Graphics[0].Normalize();
                        //drawArea.ActiveTool = DrawArea.DrawToolType.Pointer;

                        drawArea.Capture = false;
                        drawArea.Refresh();
                }

                /// <summary>
                /// Add new object to draw area.
                /// Function is called when user left-clicks draw area,
                /// and one of ToolObject-derived tools is active.
                /// </summary>
                /// <param name="drawArea"></param>
                /// <param name="o"></param>
                protected void AddNewObject(DrawArea drawArea, DrawObject o)
                {
                        int al = drawArea.TheLayers.ActiveLayerIndex;
                        drawArea.TheLayers[al].Graphics.UnselectAll();

                        o.Selected = true;
                        o.Dirty = true;
                        int objectID = 0;
                        // Set the object id now
                        for (int i = 0; i < drawArea.TheLayers.Count; i++)
                        {
                                objectID = +drawArea.TheLayers[i].Graphics.Count;
                        }
                        objectID++;
                        o.ID = objectID;
                        drawArea.TheLayers[al].Graphics.Add(o);

                        drawArea.Capture = true;
                        drawArea.Refresh();
                }

                #region Destruction
                private bool _disposed = false;

                protected override void Dispose(bool disposing)
                {
                        if (!this._disposed)
                        {
                                if (disposing)
                                {
                                        // Free any managed objects here. 
                                        if (this.cursor != null)
                                        {
                                                this.cursor.Dispose();
                                        }
                                }

                                // Free any unmanaged objects here. 
                                
                                this._disposed = true;
                        }
                        base.Dispose(disposing);
                }

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

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