//============================================================================
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//Gios Pdf.NET - A library for exporting Pdf Documents in C#
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//Copyright (C) 2005 Paolo Gios - www.paologios.com
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//
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//This library is free software; you can redistribute it and/or
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//modify it under the terms of the GNU Lesser General Public
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//License as published by the Free Software Foundation; either
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//version 2.1 of the License, or (at your option) any later version.
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//
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//This library is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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//Lesser General Public License for more details.
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//
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//You should have received a copy of the GNU Lesser General Public
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//License along with this library; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//=============================================================================
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using System;
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using System.Collections;
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using System.Text;
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using System.Drawing;
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namespace HH.WMS.Utils.Gios.Pdf
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{
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/// <summary>
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/// a generic page for a PdfDocument
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/// </summary>
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public class PdfPage : PdfObject
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{
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private string FontsLine
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{
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get
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{
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string s= "Font << ";
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foreach (PdfFont pf in this.PdfDocument.FontList) s+="/"+pf.Name+" "+pf.HeadR;
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s+=">>\n";
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return s;
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}
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}
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private ArrayList Contents;
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internal ArrayList PagePdfObjects;
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internal string MediaBoxLine
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{
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get
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{
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return "/MediaBox [0 0 "+this.PdfDocument.PW.ToString("0.##").Replace(",",".")
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+" "+this.PdfDocument.PH.ToString("0.##").Replace(",",".")+"]\n";
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}
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}
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internal string ContentsLine
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{
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get
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{
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string s="/Contents [";
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foreach (PdfObject po in this.PagePdfObjects)
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{
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if (po.GetType()!=typeof(PdfImage)) s+=po.HeadR;
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/*if (po.GetType()==typeof(PdfRectangle)) s+=po.HeadR;
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if (po.GetType()==typeof(PdfCircle)) s+=po.HeadR;
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if (po.GetType()==typeof(PdfLine)) s+=po.HeadR;
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//if (po.GetType()==typeof(PdfGrid)) s+=po.HeadR;
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//if (po.GetType()==typeof(PdfTable)) s+=po.HeadR;
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if (po.GetType()==typeof(PdfTablePage)) s+=po.HeadR;
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if (po.GetType()==typeof(PdfTextArea)) s+=po.HeadR;
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if (po.GetType()==typeof(PdfImageContent)) s+=po.HeadR;*/
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}
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s+="]\n";
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return s;
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}
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}
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internal string XObjectLine
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{
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get
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{
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string s="/XObject <<";
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foreach (PdfObject po in this.PagePdfObjects)
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{
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if (po.GetType()==typeof(PdfImage)) s+="/I"+po.ID+" "+po.HeadR;
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}
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s+=" >>\n";
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return s;
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}
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}
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internal PdfPage()
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{
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Contents=new ArrayList();
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PagePdfObjects=new ArrayList();
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}
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/// <summary>
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/// adds a Pdf Element into this PdfPage.
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/// </summary>
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/// <param name="PdfImage"></param>
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/// <param name="posx"></param>
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/// <param name="posy"></param>
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public void Add(PdfImage PdfImage,double posx,double posy)
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{
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this.PagePdfObjects.Add(PdfImage);
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this.PagePdfObjects.Add(new PdfImageContent(PdfDocument.GetNextId,"I"+PdfImage.ID,PdfImage.ID,PdfImage.Width,PdfImage.Height,posx,this.PdfDocument.PH-posy,PdfImage.bmp.HorizontalResolution));
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}
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/// <summary>
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/// adds a Pdf Element into this PdfPage.
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/// </summary>
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/// <param name="PdfImage"></param>
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/// <param name="posx">The target X positioning of the picture.</param>
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/// <param name="posy">The target Y positioning of the picture.</param>
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/// <param name="DPI">The target resolution of the picture.</param>
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public void Add(PdfImage PdfImage,double posx,double posy,double DPI)
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{
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if (DPI<=0) throw new Exception("DPI must be greater than zero.");
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this.PagePdfObjects.Add(PdfImage);
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this.PagePdfObjects.Add(new PdfImageContent(PdfDocument.GetNextId,"I"+PdfImage.ID,PdfImage.ID,PdfImage.Width,PdfImage.Height,posx,this.PdfDocument.PH-posy,DPI));
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}
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/// <summary>
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/// adds a Pdf Element into this PdfPage.
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/// </summary>
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/// <param name="PdfRectangle"></param>
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public void Add(PdfRectangle PdfRectangle)
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{
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PdfRectangle.ID=this.PdfDocument.GetNextId;
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this.PagePdfObjects.Add(PdfRectangle);
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}
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/// <summary>
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/// adds a Pdf Element into this PdfPage.
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/// </summary>
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/// <param name="PdfCircle"></param>
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public void Add(PdfCircle PdfCircle)
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{
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PdfCircle.ID=this.PdfDocument.GetNextId;
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this.PagePdfObjects.Add(PdfCircle);
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}
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/// <summary>
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/// adds a Pdf Element into this PdfPage.
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/// </summary>
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/// <param name="PdfLine"></param>
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public void Add(PdfLine PdfLine)
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{
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PdfLine.ID=this.PdfDocument.GetNextId;
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this.PagePdfObjects.Add(PdfLine);
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}
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/// <summary>
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/// adds a Pdf Element into this PdfPage.
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/// </summary>
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/// <param name="PdfTablePage"></param>
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public void Add(PdfTablePage PdfTablePage)
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{
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if (PdfTablePage!=null)
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{
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PdfTablePage.ID=this.PdfDocument.GetNextId;
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this.PagePdfObjects.Add(PdfTablePage);
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}
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}
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/// <summary>
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/// adds a Pdf Element into this PdfPage.
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/// </summary>
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/// <param name="PdfTextArea"></param>
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public void Add(PdfTextArea PdfTextArea)
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{
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PdfTextArea.ID=this.PdfDocument.GetNextId;
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if (!this.PdfDocument.FontList.Contains(PdfTextArea.Font.Name))
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this.PdfDocument.AddFont(PdfTextArea.Font);
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this.PagePdfObjects.Add(PdfTextArea);
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}
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internal override int StreamWrite(System.IO.Stream stream)
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{
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string s="";
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s+=this.HeadObj;
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s+="<< /Type /Page\n/";
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s+="Parent "+PdfDocument.PdfRoot.HeadR+"\n";
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s+=this.MediaBoxLine;
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s+="/Resources\n";
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s+="<<\n/";
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s+=this.FontsLine;
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s+="/ProcSet [/PDF/ImageC/ImageI/ImageB/Text]\n";
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s+=this.XObjectLine;
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s+=">>\n";
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s+=this.ContentsLine;
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s+=" >>\n";
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s+="endobj\n";
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Byte[] b=ASCIIEncoding.ASCII.GetBytes(s);
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stream.Write(b,0,b.Length);
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return b.Length;
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}
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/// <summary>
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/// creates a copy of this page in order to use it as a template
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/// </summary>
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/// <returns></returns>
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public PdfPage CreateCopy()
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{
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PdfPage clone=new PdfPage();
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clone.PdfDocument=this.PdfDocument;
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foreach (PdfObject o in this.PagePdfObjects) clone.PagePdfObjects.Add(o);
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return clone;
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}
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/// <summary>
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/// save this page to the document and discard any further change
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/// </summary>
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public void SaveToDocument ()
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{
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/*if (!PdfDocument.Registered)
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this.Add(new PdfTextArea(
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new System.Drawing.Font("Courier New",38,System.Drawing.FontStyle.Bold)
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,System.Drawing.Color.Red
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,new PdfArea(0,0,PdfDocument.PageWidth,PdfDocument.PageHeight)
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,ContentAlignment.MiddleCenter,"This is a Demo Library, please register!\nsee http://www.gios-tech.com"));
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*/ this.id=this.PdfDocument.GetNextId;
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this.PdfDocument.AddPdfObject(this);
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foreach (PdfObject o2 in this.PagePdfObjects)
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{
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this.PdfDocument.AddPdfObject(o2);
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}
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}
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}
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}
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