DrawToolsRedux/DrawArea.cs

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using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

using DocToolkit;

namespace DrawTools
{
  /// <summary>
  /// Working area.
  /// Handles mouse input and draws graphics objects.
  /// </summary>
  internal partial class DrawArea : UserControl
  {
    #region Constructor, Dispose
    public DrawArea()
    {
      // create list of Layers, with one default active visible layer
      _layers = new Layers();
      _layers.CreateNewLayer("Default");
      _panning = false;
      _panX = 0;
      _panY = 0;
      this.MouseWheel += new System.Windows.Forms.MouseEventHandler(this.DrawArea_MouseWheel);
      // This call is required by the Windows.Forms Form Designer.
      InitializeComponent();
      //DrawImage o = new DrawImage(0, 0);
      //DrawTools.ToolObject.AddNewObject(this, new DrawImage(0, 0));

    }
    #endregion Constructor, Dispose

    #region Enumerations
    public enum DrawToolType
    {
      Pointer,
      Rectangle,
      Ellipse,
      Line,
      PolyLine,
      Polygon,
      Text,
      Image,
      Connector,
      NumberOfDrawTools
    } ;
    #endregion Enumerations

    #region Members
    private float _zoom = 1.0f;
    private float _rotation = 0f;
    private int _panX = 0;
    private int _panY;
    private int _originalPanY;
    private bool _panning = false;
    private Point lastPoint;
    private Color _lineColor = Color.Black;
    private Color _fillColor = Color.White;
    private bool _drawFilled = false;