using System;
using System.Drawing;

namespace GoldPrinter
{
	public class Printer : PrinterBase
	{
		private Sewing _sewing;

		private Font _font;

		private bool _isDrawAllPage;

		private int _height;

		private int _MoveX;

		private int _MoveY;

		public virtual Sewing Sewing
		{
			get
			{
				return this._sewing;
			}
			set
			{
				if (value != null)
				{
					this._sewing = value;
				}
			}
		}

		public virtual Font Font
		{
			get
			{
				return this._font;
			}
			set
			{
				if (value != null)
				{
					this._font = value;
				}
			}
		}

		public virtual bool IsDrawAllPage
		{
			get
			{
				return this._isDrawAllPage;
			}
			set
			{
				this._isDrawAllPage = value;
			}
		}

		public virtual int Height
		{
			get
			{
				return this._height;
			}
			set
			{
				this._height = value;
				if (this._height < 0)
				{
					this._height = 0;
				}
			}
		}

		public int MoveX
		{
			get
			{
				return this._MoveX;
			}
			set
			{
				this._MoveX = value;
			}
		}

		public int MoveY
		{
			get
			{
				return this._MoveY;
			}
			set
			{
				this._MoveY = value;
			}
		}

		public Printer()
		{
			this._sewing = new Sewing();
			this._font = new Font("宋体", 10f);
			this._isDrawAllPage = false;
			this._height = 0;
			this._MoveX = 0;
			this._MoveY = 0;
		}

		public int TextWidth(string text)
		{
			return (int)base.Graphics.MeasureString(text, this.Font, base.PrinterMargins.Width).Width;
		}

		public int TextHeight(string text)
		{
			return (int)base.Graphics.MeasureString(text, this.Font, base.PrinterMargins.Width).Height;
		}

		public int TextHeight()
		{
			return this.Font.Height;
		}

		public virtual void DrawPrinterMargins()
		{
			this.CheckGraphics();
			Rectangle rect = new Rectangle(base.PrinterMargins.Left, base.PrinterMargins.Top, base.PrinterMargins.Width, base.PrinterMargins.Height);
			base.Graphics.DrawRectangle(base.Pen, rect);
		}

		public virtual void DrawSewing()
		{
			this.CheckGraphics();
			this.Sewing.LineLen = this.GetSewingLineLength();
			this.Sewing.Draw(base.Graphics);
		}

		private int GetSewingLineLength()
		{
			int result = 0;
			if (this.Sewing.SewingDirection == SewingDirectionFlag.Left)
			{
				result = base.PageHeight;
			}
			else if (this.Sewing.SewingDirection == SewingDirectionFlag.Top)
			{
				result = base.PageWidth;
			}
			return result;
		}

		public override void Draw()
		{
			this.CheckGraphics();
		}

		protected virtual void CheckGraphics()
		{
			if (base.Graphics == null)
			{
				throw new Exception("绘图表面不能为空，请设置Graphics属性！");
			}
		}

		public override void Dispose()
		{
			base.Dispose();
			this._sewing.Dispose();
			this._font.Dispose();
		}
	}
}