//============================================================================
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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.Drawing;
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using System.IO;
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using System.Text;
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namespace HH.WMS.Utils.Gios.Pdf
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{
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/// <summary>
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/// a 72dpi jpeg based Image for a PdfPage
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/// </summary>
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public class PdfImage : PdfObject
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{
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internal MemoryStream ImageStream;
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string file;
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internal Bitmap bmp;
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/// <summary>
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/// gets the height of the loaded picture
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/// </summary>
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public int Height
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{
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get
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{
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return bmp.Height;
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}
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}
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/// <summary>
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/// gets the width of the loaded picture
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/// </summary>
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public int Width
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{
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get
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{
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return bmp.Width;
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}
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}
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internal PdfImage(int id,string file)
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{
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this.id=id;
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this.file=file;
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ImageStream=new MemoryStream();
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try
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{
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this.bmp=new Bitmap(file);
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}
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catch
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{
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throw new Exception("Error Loading Image File");
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}
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}
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internal int StreamGifWrite(System.IO.Stream stream)
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{
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FileStream fs;
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try
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{
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fs = File.OpenRead(this.file);
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}
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catch {throw new Exception("Can't open image file");}
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byte[] data = new byte[fs.Length];
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System.Drawing.Image i=Image.FromFile(file);
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string text1="";
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text1+=this.HeadObj;
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text1+="<</Type/XObject\n/Subtype/Image\n";
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text1+="/Width "+bmp.Width.ToString()+"\n/Height "+bmp.Height.ToString()+"\n";
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text1+="/BitsPerComponent 1\n";
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text1+="/Name/I"+this.ID+"\n";
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text1+="/ColorSpace/Indexed\n";
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//text1+="/Filter[/LZWDecode]\n";
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text1+="/Length "+data.Length.ToString()+"\n";
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text1+=">>\nstream\n";
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string text3="";
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text3+="\nendstream\n";
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text3+="endobj\n";
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Byte[] part1=ASCIIEncoding.ASCII.GetBytes(text1);
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fs.Read (data, 0, data.Length);
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Byte[] part3=ASCIIEncoding.ASCII.GetBytes(text3);
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stream.Write(part1,0,part1.Length);
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stream.Write(data,0,data.Length);
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stream.Write(part3,0,part3.Length);
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fs.Close();
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return part1.Length+data.Length+part3.Length;
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}
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internal override int StreamWrite(System.IO.Stream stream)
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{
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if (this.file.ToLower().EndsWith(".gif"))
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{
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return this.StreamGifWrite(stream);
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}
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FileStream fs;
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try
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{
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fs = File.OpenRead(this.file);
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}
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catch {throw new Exception("Can't open image file");}
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byte[] data = new byte[fs.Length];
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System.Drawing.Image i=Image.FromFile(file);
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//i.Save(this.ImageStream,System.Drawing.Imaging.ImageFormat.Jpeg);
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//((data=ImageStream.ToArray();
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string text1="";
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text1+=this.HeadObj;
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//text1+="<< /Length "+ImageStream.Length.ToString()+" /Filter /FlateDecode>>\n";
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text1+="<</Type/XObject\n/Subtype/Image\n";
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text1+="/Width "+bmp.Width.ToString()+"\n/Height "+bmp.Height.ToString()+"\n";
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text1+="/BitsPerComponent 8\n";
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text1+="/Name/I"+this.ID+"\n";
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text1+="/ColorSpace/DeviceRGB\n";
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//text1+="/Filter /FlateDecode\n";
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//text1+="/Resolution ["+bmp.HorizontalResolution.ToString("0.##").Replace(",",".");
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//text1+=" "+bmp.VerticalResolution.ToString("0.##").Replace(",",".")+"]\n";
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text1+="/Filter[/DCTDecode]\n";
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//text1+="/DecodeParms[<<>>]\n";
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text1+="/Length "+data.Length.ToString()+"\n";
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text1+=">>\nstream\n";
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string text3="";
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text3+="\nendstream\n";
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text3+="endobj\n";
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Byte[] part1=ASCIIEncoding.ASCII.GetBytes(text1);
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//Byte[] part2=sr.BaseStream.
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fs.Read (data, 0, data.Length);
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//Byte[] part2=this.ImageStream.ToArray();
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Byte[] part3=ASCIIEncoding.ASCII.GetBytes(text3);
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stream.Write(part1,0,part1.Length);
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stream.Write(data,0,data.Length);
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stream.Write(part3,0,part3.Length);
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fs.Close();
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return part1.Length+data.Length+part3.Length;
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}
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}
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}
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