Little Registry Cleaner/Common Tools/TreeViewAdv/Tree/NodeControls/NodeIcon.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Windows.Forms;
using Common_Tools.Properties;
using System.ComponentModel;

namespace Common_Tools.TreeViewAdv.Tree.NodeControls
{
	public class NodeIcon : BindableControl
	{
		public NodeIcon()
		{
			LeftMargin = 1;
		}

		public override Size MeasureSize(TreeNodeAdv node, DrawContext context)
		{
			Image image = GetIcon(node);
			if (image != null)
				return image.Size;
			else
				return Size.Empty;
		}


		public override void Draw(TreeNodeAdv node, DrawContext context)
		{
			Image image = GetIcon(node);
			if (image != null)
			{
				Rectangle r = GetBounds(node, context);
				if ( image.Width > 0 && image.Height > 0 )
				{
					switch (_scaleMode)
					{
						case ImageScaleMode.Fit:
							context.Graphics.DrawImage(image, r);
							break;
						case ImageScaleMode.ScaleDown:
							{
								float factor = Math.Min((float)r.Width / (float)image.Width, (float)r.Height / (float)image.Height);
								if (factor < 1)
									context.Graphics.DrawImage(image, r.X, r.Y, image.Width * factor, image.Height * factor);
								else
									context.Graphics.DrawImage(image, r.X, r.Y, image.Width, image.Height);
							} break;
						case ImageScaleMode.ScaleUp:
							{
								float factor = Math.Max((float)r.Width / (float)image.Width, (float)r.Height / (float)image.Height);
								if (factor > 1)
									context.Graphics.DrawImage(image, r.X, r.Y, image.Width * factor, image.Height * factor);
								else
									context.Graphics.DrawImage(image, r.X, r.Y, image.Width, image.Height);
							} break;
						case ImageScaleMode.AlwaysScale:
							{
								float fx = (float)r.Width / (float)image.Width;
								float fy = (float)r.Height / (float)image.Height;