CPF/CPF.ReoGrid/CellTypes/ImageCell.cs

using System;
using CPF.Drawing;
using CPF.ReoGrid.Graphics;
using CPF.ReoGrid.Rendering;

namespace CPF.ReoGrid.CellTypes
{
	public class ImageCell : CellBody
	{
		public Image Image { get; set; }

		public ImageCell()
		{
		}

		public ImageCell(Image image) : this(image, ImageCellViewMode.Stretch)
		{
		}

		public ImageCell(Image image, ImageCellViewMode viewMode)
		{
			this.Image = image;
			this.viewMode = viewMode;
		}

		public ImageCellViewMode ViewMode
		{
			get
			{
				return this.viewMode;
			}
			set
			{
				bool flag = this.viewMode != value;
				if (flag)
				{
					this.viewMode = value;
					bool flag2 = base.Cell != null && base.Cell.Worksheet != null;
					if (flag2)
					{
						base.Cell.Worksheet.RequestInvalidate();
					}
				}
			}
		}

		public override void OnPaint(CellDrawingContext dc)
		{
			bool flag = this.Image != null;
			if (flag)
			{
				float x = this.Bounds.X;
				float y = this.Bounds.Y;
				bool flag2 = false;
				float num;
				float num2;
				switch (this.viewMode)
				{
				default:
					num = this.Bounds.Width;
					num2 = this.Bounds.Height;
					break;
				case ImageCellViewMode.Zoom:
				{
					float val = this.Bounds.Width / (float)this.Image.Width;
					float val2 = this.Bounds.Height / (float)this.Image.Height;
					float num3 = Math.Min(val, val2);
					num = num3 * (float)this.Image.Width;
					num2 = num3 * (float)this.Image.Height;
					break;
				}
				case ImageCellViewMode.Clip:
				{
					num = (float)this.Image.Width;
					num2 = (float)this.Image.Height;
					bool flag3 = num > this.Bounds.Width || num2 > this.Bounds.Height;
					if (flag3)
					{
						flag2 = true;
					}
					break;
				}
				}
				switch (base.Cell.Style.HAlign)
				{
				default:
					x = this.Bounds.X;
					break;
				case ReoGridHorAlign.Center:
					x = (this.Bounds.Width - num) / 2f;
					break;
				case ReoGridHorAlign.Right:
					x = this.Bounds.Width - num;
					break;
				}
				switch (base.Cell.Style.VAlign)
				{
				default:
					y = this.Bounds.Y;
					break;
				case ReoGridVerAlign.Middle:
					y = (this.Bounds.Height - num2) / 2f;
					break;
				case ReoGridVerAlign.Bottom:
					y = this.Bounds.Height - num2;
					break;
				}
				IGraphics graphics = dc.Graphics;
				bool flag4 = flag2;
				if (flag4)
				{
					graphics.PushClip(this.Bounds);
				}
				graphics.DrawImage(this.Image, x, y, num, num2);
				bool flag5 = flag2;
				if (flag5)
				{
					graphics.PopClip();
				}
			}
			dc.DrawCellText();
		}

		public override ICellBody Clone()
		{
			return new ImageCell(this.Image);
		}

		protected ImageCellViewMode viewMode;
	}
}