using System;
using System.Drawing;

namespace Dongke.WinForm.Controls.InvoiceLayout
{
    /// ====================================================================
    /// 类名：LayoutUtility
    /// <summary>
    /// Layout共通方法
    /// </summary>
    /// ====================================================================
    internal static class LayoutCommon
	{
        #region 成员变量
        // DPI用
        private static float _dpi = 300;
		//private static readonly Control _control;
		// 图形
		//private static readonly Graphics _graphics;
		// 默认字体
		//private static readonly Font _defaultItemFont;
		// 选择画刷
		//private static readonly SolidBrush _selectedBrush;
		// 打印范围用绿线标识
		//private static readonly Pen _greedDotPen;
		// StringFormat
		private static readonly StringFormat _stringFormatHorizontal;
		// 文本Item的默认宽
		//private static readonly float _defaultTextItemSizeWidth = 0f;
		// 文本Item的默认高
		//private static readonly float _defaultTextItemSizeHeight = 0f;
		// JPカルチャ
		//private static readonly CultureInfo _cultureInfoJP;
		// 格式
		//public static DataTable SYSFormat = new DataTable("SYSFormat");
		// 默认值
		//public static DataTable SYSDefaultValue = new DataTable("SYSDefaultValue");
		#endregion 成员变量

		#region 构造函数
		/// <summary>
		/// 构造函数
		/// </summary>
		static LayoutCommon()
		{
			//_control = new Control();
			//_graphics = _control.CreateGraphics();
			//_graphics.PageUnit = GraphicsUnit.Millimeter;

			//_selectedBrush = new SolidBrush(Color.LightGray);

			//_greedDotPen = new Pen(Color.Green, 1);
			//_greedDotPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;

			//_cultureInfoJP = new CultureInfo(LayoutConsts.CULTUREINFO_JP);
			//_cultureInfoJP.DateTimeFormat.Calendar = new JapaneseCalendar();

			_stringFormatHorizontal = new StringFormat(StringFormat.GenericTypographic);
			_stringFormatHorizontal.Alignment = StringAlignment.Center;
			_stringFormatHorizontal.LineAlignment = StringAlignment.Center;
			_stringFormatHorizontal.LineAlignment = StringAlignment.Near;
			_stringFormatHorizontal.FormatFlags = StringFormatFlags.FitBlackBox
												| StringFormatFlags.NoWrap
												| StringFormatFlags.NoClip;

			//_defaultItemFont = new Font(LayoutConsts.ITEM_FONT_FAMILYNAME_DEFAULT,
			//							LayoutConsts.ITEM_FONT_EMSIZE_DEFAULT);
			//float fontHeight = Convert.ToSingle(Math.Ceiling(GetMaxSizeF(_defaultItemFont).Height * 10) / 10);
			//_defaultTextItemSizeHeight = LayoutConsts.TEXT_MARGIN + LayoutConsts.TEXT_MARGIN + fontHeight;
			//_defaultTextItemSizeWidth = 40f;

			//Stream sysFormat = System.Reflection.Assembly.GetExecutingAssembly().
			//		GetManifestResourceStream(@"Dongke.IBOSS.Framework.InvoiceLayout.Resources.SYSFormat.xml");
			//SYSFormat.ReadXml(sysFormat);

			//Stream sysDefaultValue = System.Reflection.Assembly.GetExecutingAssembly().
			//	GetManifestResourceStream(@"Dongke.IBOSS.Framework.InvoiceLayout.Resources.SYSDefaultValue.xml");
			//SYSDefaultValue.ReadXml(sysDefaultValue);
		}
		#endregion 构造函数

		#region 属性
		///// <summary>
		///// 获取系统DPI
		///// </summary>
		//public static Graphics ControlGraphics
		//{
		//	get
		//	{
		//		return _graphics;
		//	}
		//}

		/// <summary>
		/// 获取系统DPI
		/// </summary>
		public static float DPI
		{
			get
			{
				return _dpi;
			}
		}

		///// <summary>
		///// 默认字体
		///// </summary>
		//public static Font DefaultItemFont
		//{
		//	get
		//	{
		//		return (Font)_defaultItemFont.Clone();
		//	}
		//}

		///// <summary>
		///// 选择画刷
		///// </summary>
		//public static SolidBrush SelectedBrush
		//{
		//	get
		//	{
		//		return _selectedBrush;
		//	}
		//}

		///// <summary>
		///// 打印范围用绿线标识
		///// </summary>
		//public static Pen GreedDotPen
		//{
		//	get
		//	{
		//		return _greedDotPen;
		//	}
		//}

		/// <summary>
		/// StringFormat
		/// </summary>
		public static StringFormat StringFormatHorizontal
		{
			get
			{
				return _stringFormatHorizontal;
			}
		}


		///// <summary>
		///// 文本Item默认宽
		///// </summary>
		//public static float DefaultTextItemSizeWidth
		//{
		//	get
		//	{
		//		return _defaultTextItemSizeWidth;
		//	}
		//}

		///// <summary>
		///// 文本Item默认高
		///// </summary>
		//public static float DefaultTextItemSizeHeight
		//{
		//	get
		//	{
		//		return _defaultTextItemSizeHeight;
		//	}
		//}

		//public static CultureInfo CultureInfoJP
		//{
		//	get
		//	{
		//		return _cultureInfoJP;
		//	}
		//}
		#endregion 属性

		#region 函数
		/// <summary>
		/// 1/100 英寸转换为毫米
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="pixel">1/100 英寸</param>
		/// <returns>毫米</returns>
		public static float Inch100ToMillimeter(int inch100)
		{
			float mm = inch100 * LayoutConsts.MILLIMETER_PER_INCH / 100;
			return mm;
		}

		/// <summary>
		/// 1/100 英寸转换为毫米
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="pixel">1/100 英寸</param>
		/// <returns>毫米</returns>
		public static float Inch100ToMillimeter(float inch100)
		{
			float mm = inch100 * LayoutConsts.MILLIMETER_PER_INCH / 100;
			return mm;
		}

		/// <summary>
		/// 磅转换为毫米
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="point">磅</param>
		/// <returns>毫米</returns>
		public static float PointToMillimeter(float point)
		{
			float mm = point / LayoutConsts.POINT_PER_INCH * LayoutConsts.MILLIMETER_PER_INCH;
			return mm;
		}

		/// <summary>
		/// 磅转换为像素
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="point">磅</param>
		/// <returns>像素</returns>
		public static int PointToPixel(float point)
		{
			decimal pixel = System.Convert.ToDecimal(point) /
				System.Convert.ToDecimal(LayoutConsts.POINT_PER_INCH) *
				System.Convert.ToDecimal(DPI);
			return System.Convert.ToInt32(Math.Round(pixel, 0));
		}

		/// <summary>
		/// 毫米转换为1/100 英寸
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="mm">毫米</param>
		/// <returns>1/100 英寸</returns>
		public static int MillimeterToInch100(float mm)
		{
			float inch100 = mm / LayoutConsts.MILLIMETER_PER_INCH * 100;
			return System.Convert.ToInt32(Math.Round(inch100, 0));
		}

		/// <summary>
		/// 毫米转换为1/100 英寸
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="mm">毫米</param>
		/// <returns>1/100 英寸</returns>
		public static float MillimeterToInch100Single(float mm)
		{
			float inch100 = mm / LayoutConsts.MILLIMETER_PER_INCH * 100;
			return inch100;
		}

		/// <summary>
		/// 毫米转换为像素
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="mm">毫米</param>
		/// <returns>像素</returns>
		public static int MillimeterToPixel(float mm)
		{
			decimal pixel = System.Convert.ToDecimal(mm) /
				System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) *
				System.Convert.ToDecimal(DPI);
			return System.Convert.ToInt32(Math.Round(pixel, 0));
		}

		/// <summary>
		/// 毫米转换为像素
		/// </summary>
		/// <param name="mm">毫米</param>
		/// <param name="paperZoom">表示倍率%</param>
		/// <returns>像素</returns>
		public static int MillimeterToPixel(float mm, int paperZoom)
		{
			if (0 < paperZoom)
			{
				decimal pixel = System.Convert.ToDecimal(mm) /
				System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) *
				System.Convert.ToDecimal(DPI) *
				System.Convert.ToDecimal(paperZoom) / 100m;
				return System.Convert.ToInt32(Math.Round(pixel, 0));
			}
			else
			{
				return 0;
			}
		}

		/// <summary>
		/// 毫米转换为像素
		/// </summary>
		/// <param name="mm">毫米</param>
		/// <param name="paperZoom">表示倍率%</param>
		/// <returns>像素</returns>
		public static int MillimeterToPixel(float mm, double paperZoom)
		{
			if (0 < paperZoom)
			{
				decimal pixel = System.Convert.ToDecimal(mm) /
				System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) *
				System.Convert.ToDecimal(DPI) *
				System.Convert.ToDecimal(paperZoom);
				return System.Convert.ToInt32(Math.Round(pixel, 0));
			}
			else
			{
				return 0;
			}
		}

		/// <summary>
		/// 毫米转换为像素
		/// </summary>
		/// <param name="mm">毫米</param>
		/// <param name="paperZoom">表示倍率%</param>
		/// <returns>像素</returns>
		public static float MillimeterToPixelSingle(float mm, int paperZoom)
		{
			if (0 < paperZoom)
			{
				decimal pixel = System.Convert.ToDecimal(mm) /
				System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) *
				System.Convert.ToDecimal(DPI) *
				System.Convert.ToDecimal(paperZoom) / 100m;
				return System.Convert.ToSingle(pixel);
			}
			else
			{
				return 0f;
			}
		}

		/// <summary>
		/// 像素转换为毫米
		/// </summary>
		/// <remarks>
		/// 表示倍率 100%
		/// </remarks>
		/// <param name="pixel">像素</param>
		/// <returns>毫米</returns>
		public static float PixelToMillimeter(int pixel)
		{
			decimal mm = System.Convert.ToDecimal(pixel) *
				System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) /
				System.Convert.ToDecimal(DPI);
			return System.Convert.ToSingle(mm);
		}

		/// <summary>
		/// 像素转换为毫米
		/// </summary>
		/// <param name="pixel">像素</param>
		/// <param name="paperZoom">表示倍率%</param>
		/// <returns>毫米</returns>
		public static float PixelToMillimeter(int pixel, int paperZoom)
		{
			if (0 < paperZoom)
			{
				decimal mm = System.Convert.ToDecimal(pixel) *
					System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) /
					System.Convert.ToDecimal(DPI) /
					System.Convert.ToDecimal(paperZoom) * 100m;
				return System.Convert.ToSingle(mm);
			}
			else
			{
				return 0f;
			}
		}

		/// <summary>
		/// 像素转换为毫米
		/// </summary>
		/// <param name="pixel">像素</param>
		/// <param name="paperZoom">表示倍率%</param>
		/// <param name="dpi">DPI</param>
		/// <returns>毫米</returns>
		public static float PixelToMillimeter(int pixel, int paperZoom, float dpi)
		{
			if (0 < paperZoom)
			{
				decimal mm = System.Convert.ToDecimal(pixel) *
					System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) /
					System.Convert.ToDecimal(dpi) /
					System.Convert.ToDecimal(paperZoom) * 100m;
				return System.Convert.ToSingle(mm);
			}
			else
			{
				return 0f;
			}
		}

		/// <summary>
		/// 像素转换为毫米
		/// </summary>
		/// <param name="pixel">像素</param>
		/// <param name="paperZoom">表示倍率%</param>
		/// <returns>毫米</returns>
		public static float PixelToMillimeter(int pixel, double paperZoom)
		{
			if (0 < paperZoom)
			{
				decimal mm = System.Convert.ToDecimal(pixel) *
					System.Convert.ToDecimal(LayoutConsts.MILLIMETER_PER_INCH) /
					System.Convert.ToDecimal(DPI) /
					System.Convert.ToDecimal(paperZoom);
				return System.Convert.ToSingle(mm);
			}
			else
			{
				return 0f;
			}
		}

		/// <summary>
		/// 截断到指定的精度。
		/// </summary>
		/// <param name="value">截断的目标</param>
		/// <param name="digits">精度</param>
		/// <returns>截断后的数值</returns>
		public static float Truncate(float value, int digits)
		{
			double v = Math.Pow(10, digits);
			return Convert.ToSingle(Math.Truncate((double)value * v) / v);
		}

		/// <summary>
		/// 截断到指定的精度。
		/// </summary>
		/// <param name="value">截断的目标</param>
		/// <param name="digits">精度</param>
		/// <returns>截断后的数值</returns>
		public static decimal Truncate(decimal value, int digits)
		{
			decimal v = (decimal)Math.Pow(10, digits);
			return Math.Truncate(value * v) / v;
		}

		///// <summary>
		///// 全角字符尺寸
		///// </summary>
		///// <param name="font">字体</param>
		///// <returns>全角字符尺寸</returns>
		//public static SizeF GetMaxSizeF(Font font)
		//{
		//	return _graphics.MeasureString(LayoutConsts.FULLSHAPE_TEXT,
		//		font, PointF.Empty, _stringFormatHorizontal);
		//}

		///// <summary>
		///// 文字间隔计算
		///// </summary>
		///// <param name="width">宽</param>
		///// <param name="charCount">文字个数</param>
		///// <param name="font">字体</param>
		///// <returns>文字间隔</returns>
		//public static float EqualityChars(float width, int charCount, Font font)
		//{
		//	SizeF maxSizeF = GetMaxSizeF(font);
		//	double equalityCharSpace;
		//	if (1 < charCount)
		//	{
		//		equalityCharSpace =
		//			((width
		//			- LayoutConsts.TEXT_MARGIN
		//			- LayoutConsts.TEXT_MARGIN
		//			- maxSizeF.Width)
		//			/ (charCount - 1))
		//			- maxSizeF.Width;
		//	}
		//	else
		//	{
		//		equalityCharSpace = 0;
		//	}
		//	return (float)equalityCharSpace;
		//}

		///// <summary>
		///// 文字间隔计算
		///// </summary>
		///// <param name="width">宽</param>
		///// <param name="charCount">文字个数</param>
		///// <param name="font">字体</param>
		///// <returns>文字间隔</returns>
		//public static decimal EqualityChars(decimal width, decimal charCount, Font font)
		//{
		//	SizeF sizef = GetMaxSizeF(font);
		//	decimal equalityCharSpace;
		//	if (1 < charCount)
		//	{
		//		equalityCharSpace =
		//			((width
		//			 - System.Convert.ToDecimal(LayoutConsts.TEXT_MARGIN + LayoutConsts.TEXT_MARGIN)
		//			- System.Convert.ToDecimal(sizef.Width))
		//			/ (charCount - 1))
		//			- System.Convert.ToDecimal(sizef.Width);
		//	}
		//	else
		//	{
		//		equalityCharSpace =
		//			(width
		//			 - System.Convert.ToDecimal(LayoutConsts.TEXT_MARGIN + LayoutConsts.TEXT_MARGIN)
		//			- System.Convert.ToDecimal(sizef.Width));
		//	}
		//	if (equalityCharSpace < 0)
		//	{
		//		equalityCharSpace = 0;
		//	}
		//	return equalityCharSpace;
		//}
		#endregion 函数
	}
}