Thursday, January 2, 2014

Image To Pdf

      ///
       /// Convert Image to PDF
       ///
       /// Image Path
       /// Output PDF Path
       /// Image Width
       /// Image Height
       /// Output PDF Path
       private String ImageToPdf(String sImgPath, String sOutputPath, float imgW, float imgH)
       {
           Bitmap bm = null;
           iTextSharp.text.Document objiTxtdoc = null;
           iTextSharp.text.pdf.PdfWriter objiTextWriter = null;
           iTextSharp.text.pdf.PdfContentByte objiTextCntbyt = null;
           iTextSharp.text.Image objiTextImg = null;
           int iTotal;
           iTextSharp.text.Rectangle objPazeSize;
           float fPDFPageWidth=8.0;
           float fPDFPageHeight=10.0;
           try
           {
               objPazeSize = new iTextSharp.text.Rectangle(0, 0, fPDFPageWidth,fPDFPageHeight);


               //Get new Document object for Page
               objiTxtdoc = new iTextSharp.text.Document(objPazeSize, 0, 0, 0, 0);


               // creation of the different writers  
               objiTextWriter = iTextSharp.text.pdf.PdfWriter.GetInstance(objiTxtdoc, new System.IO.FileStream(sOutputPath, System.IO.FileMode.Create));


               //Load the tiff image and count the total pages
               bm = new Bitmap(sImgPath);
                              
               //Get Total Page
               iTotal = bm.GetFrameCount(System.Drawing.Imaging.FrameDimension.Page);
               objiTxtdoc.Open();


               objiTextWriter.SetLinearPageMode();
               objiTextWriter.SetPdfVersion(PdfWriter.PDF_VERSION_1_4);


               objiTextCntbyt = objiTextWriter.DirectContent;


               for (int k = 0; k < iTotal; ++k)
               {
                   bm.SelectActiveFrame(System.Drawing.Imaging.FrameDimension.Page, k);                    
                   objiTextImg = iTextSharp.text.Image.GetInstance(bm, iTextSharp.text.BaseColor.BLACK, true);


                   //Scale Image to fit in the page  
                   float flXper = (objPazeSize.Width / imgW) * 100;
                   float flYper = (objPazeSize.Height / imgH) * 100;
                                       
                   objiTextImg.ScalePercent(flXper, flYper);                    
                   objiTextImg.SetAbsolutePosition(0, 0);
                   
                   //add Image on Page
                   objiTextCntbyt.AddImage(objiTextImg);
                   objiTxtdoc.NewPage();
               }
               return sOutputPath;
           }
           catch (Exception ex)
           {
               m_objCommon.WriteLog("Form1", "ImageToPdf", m_sErrorLogFilePath, ex);
               return null;
           }
           finally
           {
               bm.Dispose();
               objiTxtdoc.Close();
               objiTextWriter.Close();
               objiTextCntbyt.ClosePath();
               GC.Collect();
           }
       }

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