using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using iTextSharp.text.pdf;
using iTextSharp.text;
using VEPROMS.CSLA.Library;


namespace Volian.Print.Library
{
	public partial class vlnBox : vlnPrintObject
	{
		private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
		private int _LineType;  /* how to represent?? */
		private System.Drawing.Color _Color;
		public System.Drawing.Color Color
		{
			get { return _Color; }
			set { _Color = value; }
		}
		private Box _MyBox;

		public Box MyBox
		{
			get { return _MyBox; }
			set { _MyBox = value; }
		}
		// the following two fields are used if 'boxed' step, thus
		// no 'Box' was defined in format file.
		public override float Height
		{
			get
			{
				if (_Height == 0)
					_Height = GetParagraphHeight(MyContentByte, IParagraph,string.Empty, Width);
				return _Height;
			}
			set { _Height = value; }
		}
		public string DefBox = null;
		public float DefEnd = 0;

		private bool _ContainsPageBreak = false;
		public bool ContainsPageBreak
		{
			get { return _ContainsPageBreak; }
			set { _ContainsPageBreak = value; }
		}
		private bool _DoubleBoxHls = false;		// BGE double lined box around HLS
		public bool DoubleBoxHls
		{
			get { return _DoubleBoxHls; }
			set { _DoubleBoxHls = value; }
		}
		public const string DOUBLEboxHLS = "DoubleBox";
		//private bool _DoBottom = true;
		public vlnBox()
		{
		}
		public vlnBox(vlnParagraph paragraph)
		{
		}
		public const string BoxThin = "\x2510.\x2500.\x250c.\x2502. . .\x2518.\x2514. .\x2500. . ";
		const string BoxThick = "\x2584.\x2584.\x2584.\x2588. . .\x2580.\x2580. .\x2580. . ";
		const string BoxDouble = "\x2557.\x2550.\x2554.\x2551. . .\x255D.\x255A. .\x2550. . ";
		const string BoxFPLNote = "\x2557.\x2550\xad.\x2554\xad.\x2551. . .\x255d.\x255a\xad. .\x2550\xad. . ";
		const string BoxFPLCaution = "\x2588.\x2580.\x2588.\x2588. . .\x2588.\x2588. .\x2584. . ";
		const string BoxAsterisk = " *.* .* . . . . *.* . .* . . ";
		const string BoxAsteriskWithSides1 = " *.* .* .* . . . *.* . .* . . ";	// ip2
		const string BoxAsteriskWithSides2 = " *. *.*.*. . . *.*. . *. . ";		// ip3
		const string BoxAsteriskWithSides3 = "*.*.*.*.*.*.*.*.*.*.*.*";	//byr
		const string BoxAsteriskWithSides4 = "*.*.*.*.*.*.*.*. .*. . "; // wep2
		const string BoxAsteriskWithSides5 = "*.*.*.*. . .*.*. .*.*.*"; // WEP2 (Point Beach)
		const string BoxAsteriskTopBottom = "*.*.*. . . .*.*. .*. . ";			// fnp
		const string BoxLineTopBottom = "\x2500.\x2500.\x2500. . . .\x2500.\x2500. .\x2500. . ";	// fnp
		const string BoxAsteriskTopBotton2 = " .*. . . . . . . .*. . "; // Robinson (CPL)
		public vlnBox MyParentBox
		{
			get
			{
				// B2018-096 AEP 082.002CD Note Box overlapping Step Box
				vlnParagraph parent = MyParent.MyParent;
				if(parent == null) return null;
				if (parent.MyItemInfo.FormatStepData != null && !parent.MyItemInfo.FormatStepData.BoxIt) return null;
				if (parent.PartsContainer == null) return null;
				foreach(vlnPrintObject obj in parent.PartsContainer)
					if (obj is vlnBox)
						return(obj as vlnBox);
				return null;
			}
		}
		public override float ToPdf(PdfContentByte cb, float yPageStart, ref float yTopMargin, ref float yBottomMargin)
		{
			if (MyBox == null) return yPageStart;
			cb.SaveState();
			VlnSvgPageHelper _MyPageHelper = cb.PdfWriter.PageEvent as VlnSvgPageHelper;
			PdfLayer textLayer = _MyPageHelper == null ? null : _MyPageHelper.TextLayer;
			if (textLayer != null) cb.BeginLayer(textLayer);
			MyContentByte = cb;
			//Console.WriteLine("'{0}','{1}'", CharToAsc(MyBox.BoxStyle), MyParent.MyItemInfo.ShortPath);
			float top = CalculateYOffset(yPageStart, yTopMargin) - (7*MyPageHelper.YMultiplier);
			float bottom = top - (Height * MyPageHelper.YMultiplier);
			float left = (float)((MyBox.Start ?? 0) + MyParent.MyItemInfo.MyDocStyle.Layout.LeftMargin);
			float myBoxLeftAdj = 0;
			if (MyParent.MyItemInfo.ActiveFormat.MyStepSectionLayoutData.BoxLeftAdj != null)
				myBoxLeftAdj = float.Parse(MyParent.MyItemInfo.ActiveFormat.MyStepSectionLayoutData.BoxLeftAdj);
			left += myBoxLeftAdj;
			float right = (float)MyParent.MyItemInfo.MyDocStyle.Layout.LeftMargin + (float)(MyBox.End ?? DefEnd);
			if (MyParentBox != null)// B2018-096 AEP 082.002CD Note Box overlapping Step Box
					right = (float)MyParent.MyItemInfo.MyDocStyle.Layout.LeftMargin + MyParentBox.DefEnd - SixLinesPerInch/2;
			right += myBoxLeftAdj;
			iTextSharp.text.Color boxColor = new iTextSharp.text.Color(PrintOverride.OverrideBoxColor(System.Drawing.Color.Black));
			cb.SetColorStroke(boxColor);

			float gapTopBox = top;
			float gapBottomBox = top - Height;
			if (MyParent.MyItemInfo.MyDocStyle.CenterLineYTop!=null && DefBox == vlnBox.DOUBLEboxHLS)
			{
				// For top box, if at top of page, the first gap begins at the centerlineYTop, otherwise it starts where
				// the box is drawn, with an adjustment to allow for the first line of text & the extra line above the box
				gapTopBox = (top + 3*SixLinesPerInch > (float)MyParent.MyItemInfo.MyDocStyle.CenterLineYTop) ?
				(float)MyParent.MyItemInfo.MyDocStyle.CenterLineYTop : top + 1.3f * vlnPrintObject.SixLinesPerInch;
				// The bottom gap must be moved down just a little to account for the double box (bottom line of box)
				gapBottomBox -= 3.2f;
			}
			if (MyParent.MyItemInfo.MyDocStyle.CenterLineYTop!=null)_MyPageHelper.MyGaps.Add(gapTopBox, gapBottomBox);
			// F2021-026: Barakah single column thick double box around Warnings
			if (DefBox == null && MyBox.ThickDouble)
			{
				Volian.Base.Library.BaselineMetaFile.WriteLine("BXDblThick Lf={0} Rt={1} Tp={2} Bt={3}", left, (float)MyParent.MyItemInfo.MyDocStyle.Layout.PageWidth, top, bottom);
				DrawDoubleHlsBoxThick(cb, top, bottom, left, (float)MyParent.MyItemInfo.MyDocStyle.Layout.PageWidth);
			}
			else if (DefBox != null && DefBox != vlnBox.DOUBLEboxHLS)
			{
				cb.SetLineWidth(.6F);
				float lheight = Height;
				if (top > yTopMargin)
				{
					lheight -= (top - yTopMargin);
				}
				if (bottom < yBottomMargin)
				{
					lheight += (bottom - yBottomMargin);
					bottom = yBottomMargin;
				}
				// C2018-004 create meta file for baseline compares
				Volian.Base.Library.BaselineMetaFile.WriteLine("BX Lf={0} Bt={1} W={2} H={3}", left, bottom, right - left, lheight * MyPageHelper. YMultiplier);
				cb.Rectangle(left, bottom, right - left, lheight * MyPageHelper.YMultiplier);
			}
			else if (DefBox == vlnBox.DOUBLEboxHLS)
			{
				// C2018-004 create meta file for baseline compares
				Volian.Base.Library.BaselineMetaFile.WriteLine("BXHLS Lf={0} Rt={1} Tp={2} Bt={3}", left, (float)MyParent.MyItemInfo.MyDocStyle.Layout.PageWidth,top, bottom);
				DrawDoubleHlsBox(cb, top, bottom, left, (float)MyParent.MyItemInfo.MyDocStyle.Layout.PageWidth);
			}
			else
			{
				const float llxOffset = 3;
				float lineThickness = 0;
				switch (MyBox.BoxStyle)
				{
					case BoxThin:
						lineThickness = .6F;
						cb.SetLineWidth(lineThickness);
						// C2018-004 create meta file for baseline compares
						Volian.Base.Library.BaselineMetaFile.WriteLine("BXThin Lf={0} Bt={1} W={2} H={3}", left + llxOffset, bottom + (lineThickness / 2), right - left, (Height - lineThickness) * MyPageHelper.YMultiplier);
						cb.Rectangle(left + llxOffset, bottom + (lineThickness / 2), right - left, (Height - lineThickness) * MyPageHelper.YMultiplier);
						break;
					case BoxThick:
						lineThickness = 6;
						cb.SetLineWidth(lineThickness);
						// C2018-004 create meta file for baseline compares
						Volian.Base.Library.BaselineMetaFile.WriteLine("BXThick Lf={0} Bt={1} W={2} H={3}", left + llxOffset, bottom + (lineThickness / 2), right - left, (Height - lineThickness) * MyPageHelper.YMultiplier);
						cb.Rectangle(left + llxOffset, bottom + (lineThickness / 2), right - left, (Height - lineThickness) * MyPageHelper.YMultiplier);
						break;
					case BoxDouble:
						if (MyBox.NumLines == 3)
						{
							lineThickness = .6F;
							cb.SetLineWidth(lineThickness / 2F);
							// outer rectangle  (rectangle's are defined as x,y,w,h)
							// C2018-004 create meta file for baseline compares
							Volian.Base.Library.BaselineMetaFile.WriteLine("BX3lns1 Lf={0} Bt={1} W={2} H={3}", left + llxOffset - lineThickness * 1.5F, bottom - lineThickness, right - left + lineThickness * 3, (Height + lineThickness * 2) * MyPageHelper.YMultiplier);
							cb.Rectangle(left + llxOffset - lineThickness * 1.5F, bottom - lineThickness, right - left + lineThickness * 3, (Height + lineThickness * 2) * MyPageHelper.YMultiplier);
							// inner rectangle
							// C2018-004 create meta file for baseline compares
							Volian.Base.Library.BaselineMetaFile.WriteLine("BX3lns2 Lf={0} Bt={1} W={2} H={3}", left + llxOffset + lineThickness, bottom + lineThickness * 1.5F, right - left - lineThickness * 2, (Height - lineThickness * 3) * MyPageHelper.YMultiplier);
							cb.Rectangle(left + llxOffset + lineThickness, bottom + lineThickness * 1.5F, right - left - lineThickness * 2, (Height - lineThickness * 3) * MyPageHelper.YMultiplier);
							// outer outer most
							// C2018-004 create meta file for baseline compares
							Volian.Base.Library.BaselineMetaFile.WriteLine("BX3lns3 Lf={0} Bt={1} W={2} H={3}", left + llxOffset - lineThickness * 4F, bottom - lineThickness * 3.5F, right - left + lineThickness * 8, (Height + lineThickness * 7) * MyPageHelper.YMultiplier);
							cb.Rectangle(left + llxOffset - lineThickness * 4F, bottom - lineThickness * 3.5F, right - left + lineThickness * 8, (Height + lineThickness * 7) * MyPageHelper.YMultiplier);
							break;
						}
						lineThickness = .6F;
						cb.SetLineWidth(lineThickness);
						// outer rectangle  (rectangle's are defined as x,y,w,h)
						// C2018-004 create meta file for baseline compares
						Volian.Base.Library.BaselineMetaFile.WriteLine("BX2lns1 Lf={0} Bt={1} W={2} H={3}", left + llxOffset - lineThickness * 1.5F, bottom - lineThickness, right - left + lineThickness * 3, (Height + lineThickness * 2) * MyPageHelper.YMultiplier);
						cb.Rectangle(left + llxOffset - lineThickness * 1.5F, bottom - lineThickness, right - left + lineThickness * 3, (Height + lineThickness * 2) * MyPageHelper.YMultiplier);
						// inner rectangle
						// C2018-004 create meta file for baseline compares
						Volian.Base.Library.BaselineMetaFile.WriteLine("BX2lns2 Lf={0} Bt={1} W={2} H={3}", left + llxOffset + lineThickness, bottom + lineThickness * 1.5F, right - left - lineThickness * 2, (Height - lineThickness * 3) * MyPageHelper.YMultiplier);
						cb.Rectangle(left + llxOffset + lineThickness, bottom + lineThickness * 1.5F, right - left - lineThickness * 2, (Height - lineThickness * 3) * MyPageHelper.YMultiplier);
						break;
					case BoxFPLNote:
						lineThickness = 2;
						cb.SetLineWidth(lineThickness);
						float[] linePattern = { 6, 1.75F, 2.5F, 1.75F };
						cb.SetLineDash(linePattern,3);
						// C2018-004 create meta file for baseline compares
						Volian.Base.Library.BaselineMetaFile.WriteLine("BXFPLNt Lf={0} Bt={1} W={2} H={3}", left + llxOffset, bottom + (lineThickness / 2) - 1, right - left, (2 + Height - lineThickness) * MyPageHelper.YMultiplier);
						cb.Rectangle(left + llxOffset, bottom + (lineThickness / 2) -1, right - left, (2 + Height - lineThickness) * MyPageHelper.YMultiplier);
						break;
					case BoxFPLCaution:
						lineThickness = 3;
						cb.SetLineWidth(lineThickness);
						// use a Y adjustment (top & bottom) to make the caution box match the 16bit output.

						// F2021-038: SHE/SHEA format - Less space between text and bottom line of Caution Box
						float YbxAdjust = (MyParent.MyItemInfo.IsStep && MyParent.MyItemInfo.FormatStepData.NoYBxAdjust) ? 0 : 6.5F;

						// C2018-004 create meta file for baseline compares
						Volian.Base.Library.BaselineMetaFile.WriteLine("BXFPLCn Lf={0} Bt={1} W={2} H={3}", left + llxOffset, bottom - YbxAdjust + (lineThickness / 2), right - left, (Height - lineThickness + 2 * YbxAdjust) * MyPageHelper.YMultiplier);
						cb.Rectangle(left + llxOffset, bottom - YbxAdjust + (lineThickness / 2), right - left, (Height - lineThickness + 2*YbxAdjust) * MyPageHelper.YMultiplier);
						break;
					case BoxAsterisk:
					case BoxAsteriskTopBottom:
					case BoxAsteriskTopBotton2:
						DrawAsteriskTopBottom(cb, yPageStart, yTopMargin, yBottomMargin, ref top, ref bottom, left, MyBox.Font);
						break;
					case BoxLineTopBottom:			// fnp note box
						lineThickness = .6f;
						cb.SetLineWidth(lineThickness);
						// C2018-004 create meta file for baseline compares
						Volian.Base.Library.BaselineMetaFile.WriteLine("BXFNPNt Lf={0} Rt={1} Tp={2} Bt={3}", left + llxOffset, right, top, bottom);
						cb.MoveTo(left + llxOffset, bottom);
						cb.LineTo(right, bottom);
						cb.MoveTo(left + llxOffset, top);
						cb.LineTo(right, top);
						break;
					case BoxAsteriskWithSides1:
					case BoxAsteriskWithSides3:
					case BoxAsteriskWithSides4:
					case BoxAsteriskWithSides5:
						DrawAsteriskTopBottom(cb, yPageStart, yTopMargin, yBottomMargin, ref top, ref bottom, left, MyBox.Font);
						DrawAsteriskSide(cb, yPageStart, yTopMargin, yBottomMargin, top, bottom, left, right, MyBox.Font);
						break;
					case BoxAsteriskWithSides2:		// special processing for IP3's box
						DrawAsteriskTopBottomHLS(cb, yPageStart, yTopMargin, yBottomMargin, ref top, ref bottom, left, MyBox.Font);
						DrawAsteriskSideHLS(cb, yPageStart, yTopMargin, yBottomMargin, top, bottom, left, right, MyBox.Font);
						break;
					default:
						// For other than thick, thin and double.
						if (!_UnimplementedBoxStyles.Contains(MyBox.BoxStyle))
						{
							_UnimplementedBoxStyles.Add(MyBox.BoxStyle);
							_MyLog.InfoFormat("Unimplemented Box Style {0} {1}", ShowBoxStyle(MyBox.BoxStyle), MyParent.MyItemInfo.ShortPath);
							//Console.WriteLine("Unimplemented Box Style {0} {1}", ShowBoxStyle(MyBox.BoxStyle), MyParent.MyItemInfo.ShortPath);
						}
						break;
						//throw new Exception("Missing vlnBox handler");
				}
			}
			cb.Stroke();
			if (textLayer != null) cb.EndLayer();
			cb.RestoreState();
			return yPageStart;
		}

		private static void DrawDoubleHlsBox(PdfContentByte cb, float top, float bottom, float left, float right)
		{
			float lineThickness = .6f;
			float lnOff = 1.3f * vlnPrintObject.SixLinesPerInch;
			cb.SetLineWidth(lineThickness);
			// top (double line)
			cb.MoveTo(left, top + lnOff);
			cb.LineTo(right, top + lnOff);
			cb.MoveTo(left + 3.6f, top + lnOff - 3);
			cb.LineTo(right - 3.6f, top + lnOff - 3);
			// bottom (double line)
			cb.MoveTo(left, bottom - 2f);
			cb.LineTo(right, bottom - 2f);
			cb.MoveTo(left + 3.6f, bottom+1f);
			cb.LineTo(right - 3.6f, bottom+1f);
			// sides
			cb.MoveTo(left + 3.6f, top + lnOff - 3);
			cb.LineTo(left + 3.6f, bottom +1f);
			cb.MoveTo(right - 3.6f, top + lnOff - 3);
			cb.LineTo(right - 3.6f, bottom +1f);
		}
		// F2021-026: Barakah single column thick double box around Warnings
		// F2021-081: Barakah thick double box, adjust to add more space between boxes
		// F2022-012: Barakah move the top 2 lines down slightly so they don't overlap INIT underline if at top of page.
		private static void DrawDoubleHlsBoxThick(PdfContentByte cb, float top, float bottom, float left, float right)
		{
			float lineThickness = 3;
			float lnOff = 1f * vlnPrintObject.SixLinesPerInch;
			cb.SetLineWidth(lineThickness);
			// top (double line)
			cb.MoveTo(left-2.5f, top + lnOff-4);			// outer (lower y moves up page)
			cb.LineTo(right+2.5f, top + lnOff-4);
			cb.MoveTo(left + 4.5f, top + lnOff - 11);		// inner
			cb.LineTo(right - 4.5f, top + lnOff - 11);
			// bottom (double line)
			cb.MoveTo(left-2.5f, bottom - 6);
			cb.LineTo(right+2.5f, bottom - 6);
			cb.MoveTo(left + 4.5f, bottom+ 1);
			cb.LineTo(right - 4.5f, bottom+ 1);
			// sides
			cb.MoveTo(left + 4.5f, top + lnOff - 9.5f);		// inner box
			cb.LineTo(left + 4.5f, bottom - 0.5f);
			cb.MoveTo(right - 4.5f, top + lnOff - 9.5f);
			cb.LineTo(right - 4.5f, bottom - 0.5f);
			cb.MoveTo(left - 2.5f, top + lnOff-2.5f);		// outer box
			cb.LineTo(left-2.5f, bottom - 7.5f);
			cb.MoveTo(right + 2.5f, top + lnOff -2.5f);
			cb.LineTo(right+2.5f, bottom - 7.5f);
		}

		private void DrawAsteriskTopBottom(PdfContentByte cb, float yPageStart, float yTopMargin, float yBottomMargin, ref float top, ref float bottom, float left, VE_Font vef)
		{
			// this box is not drawn, it is a series of asterisks drawn above and below text.  
			// For this box, there are no vertical edges (RGE uses this box type)
			top = CalculateYOffset(yPageStart, yTopMargin);
			// Bug fix B2013-091
			// added YMultiplier to handle compress pages
			// bottom row of asterisks was in non-compressed line location
			bottom = top - (Height * MyPageHelper.YMultiplier);

			// create a new font without any styles such as underline.
			E_Style es = ((vef.Style & E_Style.Bold) == E_Style.Bold) ? E_Style.Bold : E_Style.None;
			// if the box has a font, use it - otherwise use this item info's font
			VE_Font vf = null;
			bool UseBoxFont = false;
			try
			{
				UseBoxFont = MyParent.MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionPrintData.DiffContActBox;
			}
			catch   // done this way in case one of the format properties is null in the previous statement, UseBoxFont will be false.
			{
			}
			if (UseBoxFont)
				vf = new VE_Font(vef.Family, (int)vef.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);
			else
				vf = new VE_Font(MyParent.MyItemInfo.FormatStepData.Font.Family, (int)MyParent.MyItemInfo.FormatStepData.Font.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);

			// To find the length of the line, account for the length of the upper right corner also (BXURC)
			int urcLen = MyBox.BXHorz[MyBox.BXHorz.Length - 1] == ' ' && MyBox.BXURC[0] == ' ' ? 1 : MyBox.BXURC.Length;
			float endHorz = (float)MyBox.End - (float)MyBox.Start - (float)(urcLen * (72 / vf.CPI));

			float bxHorzTextWidth = GetTextWidth(vf, MyBox.BXHorz); // get the width of the BXHorz string
			// Do the top line first:
			StringBuilder sb = new StringBuilder();
			sb.Append(MyBox.BXULC);
			float size = GetTextWidth(vf, MyBox.BXULC); //(float)(MyBox.BXULC.Length * (72 / vf.CPI));
			string bxstr = null;
			if (!ContainsPageBreak)		// Only do top line if there is no page break.
			{
				while (size < endHorz)
				{
					sb.Append(MyBox.BXHorz);
					size = size + bxHorzTextWidth; //(float)(MyBox.BXHorz.Length * (72 / vf.CPI));
				}
				// Tack on the right upper corner. For some formats, the upper right corner in the
				// had the first character as a space, this would put two spaces in a row at the
				// end of the string, so remove the space before tacking on the upper right corner:
				bxstr = sb.ToString();
				if (bxstr[bxstr.Length - 1] == ' ' && MyBox.BXURC[0] == ' ') bxstr = bxstr.TrimEnd();
				bxstr = bxstr + MyBox.BXURC;
				size = size + GetTextWidth(vf, MyBox.BXURC);//(float)((MyBox.BXURC.Length) * (72 / vf.CPI));
				Rtf = GetRtf(bxstr, vf);
				IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.
				Rtf2Pdf.TextAt(cb, IParagraph, left, top, size + 10, 100, "", yBottomMargin);
			}

			// Handle the bottom line now:
			if (bottom < yBottomMargin) return;    // Box goes off page, i.e. page break, don't do bottom

			sb.Remove(0, sb.Length);
			sb.Append(MyBox.BXLLC);
			size = GetTextWidth(vf, MyBox.BXLLC); //(float)(MyBox.BXLLC.Length * (72 / vf.CPI));
			while (size < endHorz)
			{
				sb.Append(MyBox.BXHorz);
				size = size + bxHorzTextWidth;//(float)(MyBox.BXHorz.Length * (72 / vf.CPI));
			}
			bxstr = sb.ToString().TrimEnd() + MyBox.BXLRC;
			size = size + GetTextWidth(vf, MyBox.BXLRC); //(float)((MyBox.BXLRC.Length) * (72 / vf.CPI));
			Rtf = GetRtf(bxstr, vf);
			IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.
			Rtf2Pdf.TextAt(cb, IParagraph, left, bottom, size + 10, 100, "", yBottomMargin);
		}
		private string symblsStr = "\u25CF\u0394"; // string of possible symbol character in a tab
		// add symbol characters as needed
		// "\u25CF" - solid bullet
		// \x0394 - delta

		private System.Drawing.FontStyle GetSysFontStyle(VE_Font f)
		{
			if (f.Style == E_Style.Italics)
				return System.Drawing.FontStyle.Italic;
			return FontStyle.Regular;
		}
		private float GetTextWidth(VE_Font vefont, string txt)
		{
            string symblFontName = (vefont.FontIsProportional()) ? Volian.Base.Library.vlnFont.ProportionalSymbolFont : "VESymbFix"; // C2017-036 get best available proportional font for symbols
			// follow through in fixing an Out of Window Handles bug, use new function to see if 
			// we can retrieve the font from a dictionary instead a doing a New and using another
			// window handle
			//System.Drawing.Font font = new System.Drawing.Font(vefont.Family, (float)vefont.Size, GetSysFontStyle(vefont));
			//System.Drawing.Font symbFont = new System.Drawing.Font(symblFontName, (float)vefont.Size);
			System.Drawing.Font font = VE_Font.GetWinSysFont(vefont.Family, (float)vefont.Size, GetSysFontStyle(vefont));
			System.Drawing.Font symbFont = VE_Font.GetWinSysFont(symblFontName, (float)vefont.Size);
			iTextSharp.text.Font iFont = Volian.Svg.Library.VolianPdf.GetFont(font);
			iTextSharp.text.Font iSymblFont = Volian.Svg.Library.VolianPdf.GetFont(symbFont);
			float w = 0;
			foreach (char c in txt)
			{
				int idx = symblsStr.IndexOf(c);
				if (idx >= 0) // symbol character - use symbol font to find its width
					w += iSymblFont.BaseFont.GetWidthPointKerned(symblsStr[idx].ToString(), (float)vefont.Size);
				else
					w += iFont.BaseFont.GetWidthPointKerned(c.ToString(), (float)vefont.Size);
			}
			//float w = iFont.BaseFont.GetWidthPointKerned(Text.Replace("\u25CF","@"), (float)vefont.Size);
			return w;
		}
		private void DrawAsteriskSide(PdfContentByte cb, float yPageStart, float yTopMargin, float yBottomMargin, float top, float bottom, float left, float right, VE_Font vef)
		{
			// set the top & bottom of sides.  If there is a page break in the middle of box, adjust these.
			// The vlnBox property, ContainsPageBreak, flags that a break occurred.
			if (!ContainsPageBreak)		// if no page break, just use top as is.
			{
				top = CalculateYOffset(yPageStart, yTopMargin);
				bottom = top - (Height * MyPageHelper.YMultiplier);
			}
			else
			{
				// to calculate the bottom, don't adjust the top yet.
				top = CalculateYOffset(yPageStart, yTopMargin);
				bottom = top - (Height * MyPageHelper.YMultiplier);
				top = yTopMargin;			// reset top to top margin since there was a page break.
			}

			// Check that the bottom is within the bottom margin, if this step spans more than one page,
			// stop the side asterisks at the bottom margin. (pagination puts inserts a page break here)

			if (bottom < yBottomMargin) bottom = yBottomMargin;

			float height = (SixLinesPerInch * MyPageHelper.YMultiplier) + 4; // just add a little on so that height is a little bigger than character

			// create a new font without any styles such as underline.
			E_Style es = ((vef.Style & E_Style.Bold) == E_Style.Bold) ? E_Style.Bold : E_Style.None;
			// if the box has a font, use it - otherwise use this item info's font
			VE_Font vf = null;
			bool UseBoxFont = false;
			try
			{
				UseBoxFont = MyParent.MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionPrintData.DiffContActBox;
			}
			catch   // done this way in case one of the format properties is null in the previous statement, UseBoxFont will be false.
			{
			}
			if (UseBoxFont)
				vf = new VE_Font(vef.Family, (int)vef.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);
			else
				vf = new VE_Font(MyParent.MyItemInfo.FormatStepData.Font.Family, (int)MyParent.MyItemInfo.FormatStepData.Font.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);

			// Left side first:
			Rtf = GetRtf(MyBox.BXVert, vf);
			IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.
			// start down one line because the top/bottom code draws the corner
			float vertDiff = top - (SixLinesPerInch * MyPageHelper.YMultiplier);
			float width = (float)(MyBox.BXVert.Length * (72 / vf.CPI));
			while (vertDiff > bottom)
			{
				Rtf2Pdf.TextAt(cb, IParagraph, left, vertDiff, width, height, "", yBottomMargin);
				vertDiff -= (SixLinesPerInch * MyPageHelper.YMultiplier);
			}

			// right side:
			vertDiff = top - (SixLinesPerInch * MyPageHelper.YMultiplier);
			Rtf = GetRtf(MyBox.BXVert.TrimEnd(), vf);
			IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.		
			while (vertDiff > bottom)
			{
				Rtf2Pdf.TextAt(cb, IParagraph, right, vertDiff, width, height, "", yBottomMargin);
				vertDiff -= (SixLinesPerInch * MyPageHelper.YMultiplier);
			}
		}
		
		private string ShowBoxStyle(string str)
		{
			StringBuilder sb = new StringBuilder();
			foreach (Char c in str)
			{
				if (c >= ' ' && c < 128)
					sb.Append(c);
				else
					sb.Append(string.Format("x{0:X0000}", (int)c));
			}
			return sb.ToString();
		}
		private static List<string> _UnimplementedBoxStyles = new List<string>();
		private string CharToAsc(string p)
		{
			StringBuilder sb = new StringBuilder();
			foreach (char c in p)
			{
				if (c >= ' ' && c < 127) sb.Append(c);
				else sb.Append(string.Format("\\x{0:x}", (int)c));
			}
			return sb.ToString();
		}
		private void DrawAsteriskTopBottomHLS(PdfContentByte cb, float yPageStart, float yTopMargin, float yBottomMargin, ref float top, ref float bottom, float left, VE_Font vef)
		{
			// this box is not drawn, it is a series of asterisks drawn above and below text.  
			top = CalculateYOffset(yPageStart, yTopMargin);
			if (MyPageHelper.YMultiplier != 1) top += 2;
			float ytmpbottom1 = yPageStart - (MyParent.YBottomForBox > 0 ? MyParent.YBottomForBox : MyParent.YBottomMost);
			if (MyPageHelper.YMultiplier != 1)
			{
				ytmpbottom1 = (-1 + yTopMargin - (yTopMargin - ytmpbottom1) * MyPageHelper.YMultiplier) + 2;
			}
			bottom = ytmpbottom1;
			// create a new font without any styles such as underline.
			E_Style es = ((vef.Style & E_Style.Bold) == E_Style.Bold) ? E_Style.Bold : E_Style.None;
			// if the box has a font, use it - otherwise use this item info's font
			VE_Font vf = null;
			bool UseBoxFont = false;
			try
			{
				UseBoxFont = MyParent.MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionPrintData.DiffContActBox;
			}
			catch   // done this way in case one of the format properties is null in the previous statement, UseBoxFont will be false.
			{
			}
			if (UseBoxFont)
				vf = new VE_Font(vef.Family, (int)vef.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);
			else
				vf = new VE_Font(MyParent.MyItemInfo.FormatStepData.Font.Family, (int)MyParent.MyItemInfo.FormatStepData.Font.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);

			// To find the length of the line, account for the length of the upper right corner also (BXURC)
			int urcLen = MyBox.BXHorz[MyBox.BXHorz.Length - 1] == ' ' && MyBox.BXURC[0] == ' ' ? 1 : MyBox.BXURC.Length;
			float endHorz = (float)MyBox.End - (float)MyBox.Start - (float)(urcLen * (72 / vf.CPI));

			float bxHorzTextWidth = GetTextWidth(vf, MyBox.BXHorz); // get the width of the BXHorz string
			// Do the top line first:
			StringBuilder sb = new StringBuilder();
			sb.Append(MyBox.BXULC);
			float size = GetTextWidth(vf, MyBox.BXULC); //(float)(MyBox.BXULC.Length * (72 / vf.CPI));
			string bxstr = null;
			if (!ContainsPageBreak)		// Only do top line if there is no page break.
			{
				while (size < endHorz)
				{
					sb.Append(MyBox.BXHorz);
					size = size + bxHorzTextWidth; //(float)(MyBox.BXHorz.Length * (72 / vf.CPI));
				}
				// Tack on the right upper corner. For some formats, the upper right corner in the
				// had the first character as a space, this would put two spaces in a row at the
				// end of the string, so remove the space before tacking on the upper right corner:
				bxstr = sb.ToString();
				if (bxstr[bxstr.Length - 1] == ' ' && MyBox.BXURC[0] == ' ') bxstr = bxstr.TrimEnd();
				bxstr = bxstr + MyBox.BXURC;
				size = size + GetTextWidth(vf, MyBox.BXURC);//(float)((MyBox.BXURC.Length) * (72 / vf.CPI));
				Rtf = GetRtf(bxstr, vf);
				IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.
				Rtf2Pdf.TextAt(cb, IParagraph, left, top, size + 10, 100, "", yBottomMargin);
			}

			// Handle the bottom line now:
			if (bottom < yBottomMargin) return;    // Box goes off page, i.e. page break, don't do bottom

			sb.Remove(0, sb.Length);
			sb.Append(MyBox.BXLLC);
			size = GetTextWidth(vf, MyBox.BXLLC); //(float)(MyBox.BXLLC.Length * (72 / vf.CPI));
			while (size < endHorz)
			{
				sb.Append(MyBox.BXHorz);
				size = size + bxHorzTextWidth;//(float)(MyBox.BXHorz.Length * (72 / vf.CPI));
			}
			bxstr = sb.ToString().TrimEnd() + MyBox.BXLRC;
			size = size + GetTextWidth(vf, MyBox.BXLRC); //(float)((MyBox.BXLRC.Length) * (72 / vf.CPI));
			Rtf = GetRtf(bxstr, vf);
			IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.
			Rtf2Pdf.TextAt(cb, IParagraph, left, bottom, size + 10, 100, "", yBottomMargin);
		}
		private void DrawAsteriskSideHLS(PdfContentByte cb, float yPageStart, float yTopMargin, float yBottomMargin, float top, float bottom, float left, float right, VE_Font vef)
		{
			// set the top & bottom of sides.  If there is a page break in the middle of box, adjust these.
			// The vlnBox property, ContainsPageBreak, flags that a break occurred.
			float yOffBreak = 0;
			if (!ContainsPageBreak)
			{
				top = CalculateYOffset(yPageStart, yTopMargin);
				if (MyPageHelper.YMultiplier != 1) top += 2;
				// if this broke, the bottom is defined where the parabreak occurred.
				yOffBreak = MyPageHelper.ParaBreaks.Count > 0 ? MyPageHelper.ParaBreaks[0].YOffset : 0;
				if (yOffBreak > 0)
					bottom = (yPageStart - yOffBreak) * MyPageHelper.YMultiplier;
				else
				{
					float ytmpbottom =  yPageStart - (MyParent.YBottomForBox > 0 ? MyParent.YBottomForBox : MyParent.YBottomMost);
					if (MyPageHelper.YMultiplier != 1)
					{
						ytmpbottom = -1 + yTopMargin - (yTopMargin - ytmpbottom) * MyPageHelper.YMultiplier;
					}
					bottom = ytmpbottom;
				}
			}
			else
			{
				top = CalculateYOffset(yPageStart, yTopMargin);
				yOffBreak = MyPageHelper.ParaBreaks.Count > 0 ? MyPageHelper.ParaBreaks[0].YOffset : 0;
				if (yOffBreak > 0)
					bottom = (yPageStart - yOffBreak) * MyPageHelper.YMultiplier;
				else
				{
					float ytmpbottom1 = yPageStart - (MyParent.YBottomForBox > 0 ? MyParent.YBottomForBox : MyParent.YBottomMost);
					if (MyPageHelper.YMultiplier != 1)
					{
						ytmpbottom1 = -1 + yTopMargin - (yTopMargin - ytmpbottom1) * MyPageHelper.YMultiplier;
					}
					bottom = ytmpbottom1;
				}
				top = yTopMargin;			// reset top to top margin since there was a page break.
			}
			// Check that the bottom is within the bottom margin, if this step spans more than one page,
			// stop the side asterisks at the bottom margin. (pagination puts inserts a page break here)
			if (bottom < yBottomMargin) bottom = yBottomMargin;

			float height = (SixLinesPerInch * MyPageHelper.YMultiplier) + 4; // just add a little on so that height is a little bigger than character

			// create a new font without any styles such as underline.
			E_Style es = ((vef.Style & E_Style.Bold) == E_Style.Bold) ? E_Style.Bold : E_Style.None;
			// if the box has a font, use it - otherwise use this item info's font
			VE_Font vf = null;
			bool UseBoxFont = false;
			try
			{
				UseBoxFont = MyParent.MyItemInfo.ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.StepSectionPrintData.DiffContActBox;
			}
			catch   // done this way in case one of the format properties is null in the previous statement, UseBoxFont will be false.
			{
			}
			if (UseBoxFont)
				vf = new VE_Font(vef.Family, (int)vef.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);
			else
				vf = new VE_Font(MyParent.MyItemInfo.FormatStepData.Font.Family, (int)MyParent.MyItemInfo.FormatStepData.Font.Size, es, (float)MyParent.MyItemInfo.FormatStepData.Font.CPI);

			// Left side first:
			Rtf = GetRtf(MyBox.BXVert, vf);
			IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.
			// start down one line because the top/bottom code draws the corner
			float vertDiff = top - (SixLinesPerInch * MyPageHelper.YMultiplier);
			float width = (float)(MyBox.BXVert.Length * (72 / vf.CPI));
			while (vertDiff > bottom)
			{
				Rtf2Pdf.TextAt(cb, IParagraph, left, vertDiff, width, height, "", yBottomMargin);
				vertDiff -= (SixLinesPerInch * MyPageHelper.YMultiplier);
			}

			// right side:
			vertDiff = top - (SixLinesPerInch * MyPageHelper.YMultiplier);
			Rtf = GetRtf(MyBox.BXVert.TrimEnd(), vf);
			IParagraph = null;	// set to null so that next access of IParagraph sets the Rtf.		
			while (vertDiff > bottom)
			{
				Rtf2Pdf.TextAt(cb, IParagraph, right, vertDiff, width, height, "", yBottomMargin);
				vertDiff -= (SixLinesPerInch * MyPageHelper.YMultiplier);
			}
		}

	}
}