180 lines
6.5 KiB
C#
180 lines
6.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using iTextSharp.text;
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using iTextSharp.text.pdf;
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using iTextSharp.text.factories;
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using Itenso.Rtf;
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using Itenso.Rtf.Parser;
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using Itenso.Rtf.Interpreter;
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using Itenso.Rtf.Support;
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using System.IO;
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namespace Volian.Print.Library
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{
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public class Rtf2Pdf
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{
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private string _Rtf;
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public string Rtf
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{
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get { return _Rtf; }
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set { _Rtf = value; }
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}
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private string _FileName;
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public string FileName
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{
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get { return _FileName; }
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set { _FileName = value; }
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}
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public Rtf2Pdf(string rtf, string fileName)
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{
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_Rtf = rtf;
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_FileName = fileName;
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}
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public void Process()
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{
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Document document = new Document(PageSize.LETTER);
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PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(FileName, FileMode.Create));
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document.Open();
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// Open RTF Document
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IRtfDocument rtfDoc = RtfInterpreterTool.BuildDoc(Rtf);
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Rtf2iTextSharp rtf2IText = new Rtf2iTextSharp(rtfDoc);
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Paragraph para = rtf2IText.Convert();
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para.SetLeading(12F, 0);
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PdfContentByte cb = writer.DirectContent;
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SampleParagraphs(para, cb, 792-36, 252, 36);
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para.Add(new Chunk(" (continued)",para.Font));
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SampleParagraphs(para, cb, 792 - 36, 252, 324);
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// Close the document
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document.Close();
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}
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private static void SampleParagraphs(Paragraph para, PdfContentByte cb, float yTop, float width, float x)
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{
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while (yTop > 0)
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{
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float newYTop = TextAt(cb, para, x, yTop - 12F, width, 100,"",36);
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width -= 16;
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yTop = newYTop;
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}
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}
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private static bool _PdfDebug = true;
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public static bool PdfDebug
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{
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get { return Rtf2Pdf._PdfDebug; }
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set { Rtf2Pdf._PdfDebug = value; }
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}
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private static System.Drawing.PointF _Offset = new System.Drawing.PointF(0, 0);
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public static System.Drawing.PointF Offset
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{
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get { return Rtf2Pdf._Offset; }
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set { Rtf2Pdf._Offset = value; }
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}
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public static float TextAt(PdfContentByte cb, Paragraph iParagraph, float x, float y, float width, float height, string debugText, float yBottomMargin)
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{
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VlnSvgPageHelper _MyPageHelper = cb.PdfWriter.PageEvent as VlnSvgPageHelper;
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PdfLayer textLayer = _MyPageHelper == null ? null : _MyPageHelper.TextLayer;
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float left = x + Offset.X;
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float top = y + Offset.Y;
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float right = left + width;
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float bottom = top - height;
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ColumnText myColumnText = new ColumnText(cb);
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myColumnText.SetSimpleColumn(left, top, left + width, yBottomMargin);
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myColumnText.AddElement(iParagraph);
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float pos = myColumnText.YLine; // Save the position to be used if the paragraph fits
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int status = myColumnText.Go(true); // Check to see if it will fit on the page.
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if (ColumnText.HasMoreText(status))
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return 0;// Paragraph won't fit. Return 0;
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myColumnText.YLine = pos; // restore the location on the page
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myColumnText.AddElement(iParagraph); // add in paragraph
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if (textLayer != null) cb.BeginLayer(textLayer);
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myColumnText.Go(false); // Draw the paragraph
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if (textLayer != null) cb.EndLayer();
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// Approximate Descent by using Leading divided by 5.
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float yDescent = iParagraph.Leading / 5;
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// If the BaseFont is available, calculate yAdj on the basis of the Descent
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if (iParagraph.Font.BaseFont != null)
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yDescent = -iParagraph.Font.BaseFont.GetDescentPoint("Almg", iParagraph.Font.Size);
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if (PdfDebug)
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DrawPdfDebug(cb, left, top, left + width, myColumnText.YLine, debugText, yDescent);
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return myColumnText.YLine;
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}
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public static float FigureAt(PdfContentByte cb, iTextSharp.text.Image image, float x, float y, float width, float height, string debugText, float yBottommargin, bool hasBorder)
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{
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VlnSvgPageHelper _MyPageHelper = cb.PdfWriter.PageEvent as VlnSvgPageHelper;
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PdfLayer textLayer = _MyPageHelper == null ? null : _MyPageHelper.TextLayer;
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float left = x + Offset.X;
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float top = y + Offset.Y;
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float bottom = top - height;
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image.ScaleAbsoluteWidth(width);
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image.ScaleAbsoluteHeight(height);
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image.SetAbsolutePosition(left, bottom);
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if (textLayer != null) cb.BeginLayer(textLayer);
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cb.AddImage(image);
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if (hasBorder)
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{
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iTextSharp.text.Color boxColor = new iTextSharp.text.Color(System.Drawing.Color.Black); // (PrintOverride.OverrideBoxColor(System.Drawing.Color.Black));
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cb.SetColorStroke(boxColor);
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cb.SetLineWidth(.85F);
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cb.Rectangle(left-1.5F, bottom-1.5F, width+3, height+3);
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cb.Stroke();
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}
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if (textLayer != null) cb.EndLayer();
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return bottom;
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}
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private static float _GridTopAdjust = -10;
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public static float GridTopAdjust
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{
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get { return _GridTopAdjust; }
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set { _GridTopAdjust = value; }
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}
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public static float GridAt(PdfContentByte cb, vlnTable myGrid, float x, float y, float width, float height, string debugText, float yBottomMargin, bool hasBorder)
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{
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VlnSvgPageHelper _MyPageHelper = cb.PdfWriter.PageEvent as VlnSvgPageHelper;
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PdfLayer textLayer = _MyPageHelper == null ? null : _MyPageHelper.TextLayer;
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float left = x + Offset.X;
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float top = y + Offset.Y;
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float right = left + width;
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float bottom = top - height;
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ColumnText myColumnText = new ColumnText(cb);
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myColumnText.SetSimpleColumn(left, top, left + width, yBottomMargin);
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if (textLayer != null) cb.BeginLayer(textLayer);
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myGrid.ToPdf(myColumnText, left, top + GridTopAdjust);
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if (textLayer != null) cb.EndLayer();
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return bottom;
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}
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private static void DrawPdfDebug(PdfContentByte cb, float left, float top, float right, float bottom, string debugText, float yDescent)
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{
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VlnSvgPageHelper _MyPageHelper = cb.PdfWriter.PageEvent as VlnSvgPageHelper;
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PdfLayer debugLayer = _MyPageHelper == null ? null : _MyPageHelper.DebugLayer;
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if (debugLayer == null) return;
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System.Drawing.Color sysColor = PrintOverride.OverrideDebugColor(System.Drawing.Color.Gray);
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cb.SaveState();
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cb.BeginLayer(debugLayer);
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cb.SetColorStroke(new Color(sysColor));
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cb.SetLineWidth(.1F);
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cb.MoveTo(left, top - yDescent);
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cb.LineTo(right, top - yDescent);
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cb.LineTo(right, bottom - yDescent);
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cb.LineTo(left, bottom - yDescent);
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cb.LineTo(left, top - yDescent);
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cb.Stroke();
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if (debugText != "")
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{
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ColumnText ct = new ColumnText(cb);
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ct.SetSimpleColumn(left, 4 + top - yDescent, right, top - yDescent - 50);
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iTextSharp.text.Font font = FontFactory.GetFont("Arial", BaseFont.IDENTITY_H, BaseFont.EMBEDDED, 2);
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Chunk chk = new Chunk(debugText + string.Format(" Top = {0}",top), font);
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Phrase ph = new Phrase(chk);
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ct.AddElement(ph);
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cb.SetColorFill(new Color(sysColor));
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ct.Go();
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}
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cb.EndLayer();
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cb.RestoreState();
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}
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}
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}
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