1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/External/Aga.Controls/Tree/NodeControls/NodeIcon.cs	Sun May 27 15:16:19 2012 +0000
     1.3 @@ -0,0 +1,99 @@
     1.4 +using System;
     1.5 +using System.Collections.Generic;
     1.6 +using System.Text;
     1.7 +using System.Drawing;
     1.8 +using System.Windows.Forms;
     1.9 +using Aga.Controls.Properties;
    1.10 +using System.ComponentModel;
    1.11 +
    1.12 +namespace Aga.Controls.Tree.NodeControls
    1.13 +{
    1.14 +	public class NodeIcon : BindableControl
    1.15 +	{
    1.16 +		public NodeIcon()
    1.17 +		{
    1.18 +			LeftMargin = 1;
    1.19 +		}
    1.20 +
    1.21 +		public override Size MeasureSize(TreeNodeAdv node, DrawContext context)
    1.22 +		{
    1.23 +			Image image = GetIcon(node);
    1.24 +			if (image != null)
    1.25 +				return image.Size;
    1.26 +			else
    1.27 +				return Size.Empty;
    1.28 +		}
    1.29 +
    1.30 +
    1.31 +		public override void Draw(TreeNodeAdv node, DrawContext context)
    1.32 +		{
    1.33 +			Image image = GetIcon(node);
    1.34 +			if (image != null)
    1.35 +			{
    1.36 +				Rectangle r = GetBounds(node, context);
    1.37 +				if ( image.Width > 0 && image.Height > 0 )
    1.38 +				{
    1.39 +					switch (_scaleMode)
    1.40 +					{
    1.41 +						case ImageScaleMode.Fit:
    1.42 +							context.Graphics.DrawImage(image, r);
    1.43 +							break;
    1.44 +						case ImageScaleMode.ScaleDown:
    1.45 +							{
    1.46 +								float factor = Math.Min((float)r.Width / (float)image.Width, (float)r.Height / (float)image.Height);
    1.47 +								if (factor < 1)
    1.48 +									context.Graphics.DrawImage(image, r.X, r.Y, image.Width * factor, image.Height * factor);
    1.49 +								else
    1.50 +									context.Graphics.DrawImage(image, r.X, r.Y, image.Width, image.Height);
    1.51 +							} break;
    1.52 +						case ImageScaleMode.ScaleUp:
    1.53 +							{
    1.54 +								float factor = Math.Max((float)r.Width / (float)image.Width, (float)r.Height / (float)image.Height);
    1.55 +								if (factor > 1)
    1.56 +									context.Graphics.DrawImage(image, r.X, r.Y, image.Width * factor, image.Height * factor);
    1.57 +								else
    1.58 +									context.Graphics.DrawImage(image, r.X, r.Y, image.Width, image.Height);
    1.59 +							} break;
    1.60 +						case ImageScaleMode.AlwaysScale:
    1.61 +							{
    1.62 +								float fx = (float)r.Width / (float)image.Width;
    1.63 +								float fy = (float)r.Height / (float)image.Height;
    1.64 +								if (Math.Min(fx, fy) < 1)
    1.65 +								{ //scale down
    1.66 +									float factor = Math.Min(fx, fy);
    1.67 +									context.Graphics.DrawImage(image, r.X, r.Y, image.Width * factor, image.Height * factor);
    1.68 +								}
    1.69 +								else if (Math.Max(fx, fy) > 1)
    1.70 +								{
    1.71 +									float factor = Math.Max(fx, fy);
    1.72 +									context.Graphics.DrawImage(image, r.X, r.Y, image.Width * factor, image.Height * factor);
    1.73 +								}
    1.74 +								else
    1.75 +									context.Graphics.DrawImage(image, r.X, r.Y, image.Width, image.Height);
    1.76 +							} break;
    1.77 +						case ImageScaleMode.Clip:
    1.78 +						default: 
    1.79 +							context.Graphics.DrawImage(image, r.X, r.Y, image.Width, image.Height);
    1.80 +							break;
    1.81 +					}
    1.82 +				}
    1.83 +
    1.84 +			}
    1.85 +		}
    1.86 +
    1.87 +		protected virtual Image GetIcon(TreeNodeAdv node)
    1.88 +		{
    1.89 +			return GetValue(node) as Image;
    1.90 +		}
    1.91 +
    1.92 +        private ImageScaleMode _scaleMode = ImageScaleMode.Clip;
    1.93 +        [DefaultValue("Clip"), Category("Appearance")]
    1.94 +        public ImageScaleMode ScaleMode
    1.95 +        {
    1.96 +            get { return _scaleMode; }
    1.97 +            set { _scaleMode = value; }
    1.98 +        }
    1.99 +
   1.100 +
   1.101 +	}
   1.102 +}